diff --git a/Cog.xcodeproj/project.pbxproj b/Cog.xcodeproj/project.pbxproj index 86e08b155..18d0a23d0 100644 --- a/Cog.xcodeproj/project.pbxproj +++ b/Cog.xcodeproj/project.pbxproj @@ -136,7 +136,6 @@ 836FB5A718206F2500B3AD2D /* Hively.bundle in CopyFiles */ = {isa = PBXBuildFile; fileRef = 836FB5471820538800B3AD2D /* Hively.bundle */; settings = {ATTRIBUTES = (CodeSignOnCopy, ); }; }; 8370D73D277419F700245CE0 /* SQLiteStore.m in Sources */ = {isa = PBXBuildFile; fileRef = 8370D73C277419F700245CE0 /* SQLiteStore.m */; }; 8370D73F2775AE1300245CE0 /* libsqlite3.tbd in Frameworks */ = {isa = PBXBuildFile; fileRef = 8370D73E2775AE1300245CE0 /* libsqlite3.tbd */; }; - 8372C93D27C7895300E250C9 /* MAD.bundle in CopyFiles */ = {isa = PBXBuildFile; fileRef = 8372C93027C785BE00E250C9 /* MAD.bundle */; settings = {ATTRIBUTES = (CodeSignOnCopy, RemoveHeadersOnCopy, ); }; }; 8377C66327B8CF6300E8BC0F /* SpectrumViewSK.m in Sources */ = {isa = PBXBuildFile; fileRef = 8377C66127B8CF6300E8BC0F /* SpectrumViewSK.m */; }; 8377C6B927B900F000E8BC0F /* SpectrumItem.m in Sources */ = {isa = PBXBuildFile; fileRef = 8377C6B827B900F000E8BC0F /* SpectrumItem.m */; }; 837DC92B285B05710005C58A /* CoreData.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 837DC92A285B05710005C58A /* CoreData.framework */; }; @@ -170,6 +169,7 @@ 83B61E2429A8296500CD0580 /* LyricsWindow.xib in Resources */ = {isa = PBXBuildFile; fileRef = 83B61E2229A8296500CD0580 /* LyricsWindow.xib */; }; 83B61E2829A82A0200CD0580 /* LyricsWindowController.m in Sources */ = {isa = PBXBuildFile; fileRef = 83B61E2729A82A0200CD0580 /* LyricsWindowController.m */; }; 83B72E3B279045B7006007A3 /* libfdk-aac.2.dylib in CopyFiles */ = {isa = PBXBuildFile; fileRef = 83B72E2A279044F6006007A3 /* libfdk-aac.2.dylib */; settings = {ATTRIBUTES = (CodeSignOnCopy, ); }; }; + 83B73B652D8FD75A00A57F08 /* minimp3.bundle in CopyFiles */ = {isa = PBXBuildFile; fileRef = 83B73B602D8FC05A00A57F08 /* minimp3.bundle */; settings = {ATTRIBUTES = (CodeSignOnCopy, RemoveHeadersOnCopy, ); }; }; 83BC5AB220E4C87100631CD4 /* DualWindow.m in Sources */ = {isa = PBXBuildFile; fileRef = 83BC5AB020E4C87100631CD4 /* DualWindow.m */; }; 83BC5ABF20E4CE7A00631CD4 /* InfoInspector.xib in Resources */ = {isa = PBXBuildFile; fileRef = 17D1B0D00F6320EA00694C57 /* InfoInspector.xib */; }; 83BC5AC020E4CE7D00631CD4 /* MainMenu.xib in Resources */ = {isa = PBXBuildFile; fileRef = 17342A980D5FD20B00E8D854 /* MainMenu.xib */; }; @@ -511,20 +511,6 @@ remoteGlobalIDString = 836FB52C1820538700B3AD2D; remoteInfo = Hively; }; - 8372C92F27C785BE00E250C9 /* PBXContainerItemProxy */ = { - isa = PBXContainerItemProxy; - containerPortal = 8372C92A27C785BD00E250C9 /* MAD.xcodeproj */; - proxyType = 2; - remoteGlobalIDString = 8372C92327C785BD00E250C9; - remoteInfo = MAD; - }; - 8372C93B27C7893100E250C9 /* PBXContainerItemProxy */ = { - isa = PBXContainerItemProxy; - containerPortal = 8372C92A27C785BD00E250C9 /* MAD.xcodeproj */; - proxyType = 1; - remoteGlobalIDString = 8372C92227C785BD00E250C9; - remoteInfo = MAD; - }; 8375B36117FFEF010092A79F /* PBXContainerItemProxy */ = { isa = PBXContainerItemProxy; containerPortal = 8359FF2C17FEF35C0060F3ED /* ArchiveSource.xcodeproj */; @@ -546,6 +532,20 @@ remoteGlobalIDString = 83B06686180D5668008E3612; remoteInfo = MIDI; }; + 83B73B5F2D8FC05A00A57F08 /* PBXContainerItemProxy */ = { + isa = PBXContainerItemProxy; + containerPortal = 8372C92A27C785BD00E250C9 /* minimp3.xcodeproj */; + proxyType = 2; + remoteGlobalIDString = 8372C92327C785BD00E250C9; + remoteInfo = minimp3; + }; + 83B73B632D8FD74000A57F08 /* PBXContainerItemProxy */ = { + isa = PBXContainerItemProxy; + containerPortal = 8372C92A27C785BD00E250C9 /* minimp3.xcodeproj */; + proxyType = 1; + remoteGlobalIDString = 8372C92227C785BD00E250C9; + remoteInfo = minimp3; + }; 83BB13C120E4E38E00723731 /* PBXContainerItemProxy */ = { isa = PBXContainerItemProxy; containerPortal = 836F6B2518BDB80D0095E648 /* vgmstream.xcodeproj */; @@ -678,8 +678,8 @@ dstPath = ""; dstSubfolderSpec = 13; files = ( + 83B73B652D8FD75A00A57F08 /* minimp3.bundle in CopyFiles */, 8327DBA9293CAD2400CD0580 /* Organya.bundle in CopyFiles */, - 8372C93D27C7895300E250C9 /* MAD.bundle in CopyFiles */, 83489C6B2782F78700BDCEA2 /* libvgmPlayer.bundle in CopyFiles */, 834D794020E4EFEF00C4A5CC /* VorbisPlugin.bundle in CopyFiles */, 834D793F20E4EFEA00C4A5CC /* OpusPlugin.bundle in CopyFiles */, @@ -955,7 +955,7 @@ 8370D739277419D200245CE0 /* SQLiteStore.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = SQLiteStore.h; sourceTree = ""; }; 8370D73C277419F700245CE0 /* SQLiteStore.m */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.objc; path = SQLiteStore.m; sourceTree = ""; }; 8370D73E2775AE1300245CE0 /* libsqlite3.tbd */ = {isa = PBXFileReference; lastKnownFileType = "sourcecode.text-based-dylib-definition"; name = libsqlite3.tbd; path = usr/lib/libsqlite3.tbd; sourceTree = SDKROOT; }; - 8372C92A27C785BD00E250C9 /* MAD.xcodeproj */ = {isa = PBXFileReference; lastKnownFileType = "wrapper.pb-project"; name = MAD.xcodeproj; path = Plugins/MAD/MAD.xcodeproj; sourceTree = ""; }; + 8372C92A27C785BD00E250C9 /* minimp3.xcodeproj */ = {isa = PBXFileReference; lastKnownFileType = "wrapper.pb-project"; name = minimp3.xcodeproj; path = Plugins/minimp3/minimp3.xcodeproj; sourceTree = ""; }; 8375B05117FFEA400092A79F /* OpusPlugin.xcodeproj */ = {isa = PBXFileReference; lastKnownFileType = "wrapper.pb-project"; name = OpusPlugin.xcodeproj; path = Plugins/Opus/OpusPlugin.xcodeproj; sourceTree = ""; }; 8377C66127B8CF6300E8BC0F /* SpectrumViewSK.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; name = SpectrumViewSK.m; path = Visualization/SpectrumViewSK.m; sourceTree = ""; }; 8377C66227B8CF6300E8BC0F /* SpectrumViewSK.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = SpectrumViewSK.h; path = Visualization/SpectrumViewSK.h; sourceTree = ""; }; @@ -1270,7 +1270,7 @@ 17C808830C3BD181005707C4 /* HTTPSource.xcodeproj */, 83489C4E2782F2DF00BDCEA2 /* libvgmPlayer.xcodeproj */, 8E8D40820CBB036600135C1B /* M3u.xcodeproj */, - 8372C92A27C785BD00E250C9 /* MAD.xcodeproj */, + 8372C92A27C785BD00E250C9 /* minimp3.xcodeproj */, 83B0669C180D5668008E3612 /* MIDI.xcodeproj */, 17C8089E0C3BD1AB005707C4 /* Musepack.xcodeproj */, 83E5EFAC1FFEF78100659F0F /* OpenMPT.xcodeproj */, @@ -1773,14 +1773,6 @@ name = Products; sourceTree = ""; }; - 8372C92B27C785BD00E250C9 /* Products */ = { - isa = PBXGroup; - children = ( - 8372C93027C785BE00E250C9 /* MAD.bundle */, - ); - name = Products; - sourceTree = ""; - }; 8377C66027B8CF2300E8BC0F /* Visualization */ = { isa = PBXGroup; children = ( @@ -1824,6 +1816,14 @@ path = LyricsWindow; sourceTree = ""; }; + 83B73B5C2D8FC05A00A57F08 /* Products */ = { + isa = PBXGroup; + children = ( + 83B73B602D8FC05A00A57F08 /* minimp3.bundle */, + ); + name = Products; + sourceTree = ""; + }; 83BB13AE20E4E38E00723731 /* Products */ = { isa = PBXGroup; children = ( @@ -1984,8 +1984,8 @@ buildRules = ( ); dependencies = ( + 83B73B642D8FD74000A57F08 /* PBXTargetDependency */, 8327DBA8293CAD0A00CD0580 /* PBXTargetDependency */, - 8372C93C27C7893100E250C9 /* PBXTargetDependency */, 83489C6A2782F76900BDCEA2 /* PBXTargetDependency */, ED69CBC625BE32B40090B90D /* PBXTargetDependency */, 834D793E20E4EFD200C4A5CC /* PBXTargetDependency */, @@ -2130,10 +2130,6 @@ ProductGroup = 8E8D40830CBB036600135C1B /* Products */; ProjectRef = 8E8D40820CBB036600135C1B /* M3u.xcodeproj */; }, - { - ProductGroup = 8372C92B27C785BD00E250C9 /* Products */; - ProjectRef = 8372C92A27C785BD00E250C9 /* MAD.xcodeproj */; - }, { ProductGroup = ED69CBB925BE328C0090B90D /* Products */; ProjectRef = ED69CBB825BE328C0090B90D /* MASShortcut.xcodeproj */; @@ -2142,6 +2138,10 @@ ProductGroup = 83B0669D180D5668008E3612 /* Products */; ProjectRef = 83B0669C180D5668008E3612 /* MIDI.xcodeproj */; }, + { + ProductGroup = 83B73B5C2D8FC05A00A57F08 /* Products */; + ProjectRef = 8372C92A27C785BD00E250C9 /* minimp3.xcodeproj */; + }, { ProductGroup = 17C8089F0C3BD1AB005707C4 /* Products */; ProjectRef = 17C8089E0C3BD1AB005707C4 /* Musepack.xcodeproj */; @@ -2357,13 +2357,6 @@ remoteRef = 836FB5461820538800B3AD2D /* PBXContainerItemProxy */; sourceTree = BUILT_PRODUCTS_DIR; }; - 8372C93027C785BE00E250C9 /* MAD.bundle */ = { - isa = PBXReferenceProxy; - fileType = wrapper.cfbundle; - path = MAD.bundle; - remoteRef = 8372C92F27C785BE00E250C9 /* PBXContainerItemProxy */; - sourceTree = BUILT_PRODUCTS_DIR; - }; 83B066A1180D5669008E3612 /* MIDI.bundle */ = { isa = PBXReferenceProxy; fileType = wrapper.cfbundle; @@ -2371,6 +2364,13 @@ remoteRef = 83B066A0180D5669008E3612 /* PBXContainerItemProxy */; sourceTree = BUILT_PRODUCTS_DIR; }; + 83B73B602D8FC05A00A57F08 /* minimp3.bundle */ = { + isa = PBXReferenceProxy; + fileType = wrapper.cfbundle; + path = minimp3.bundle; + remoteRef = 83B73B5F2D8FC05A00A57F08 /* PBXContainerItemProxy */; + sourceTree = BUILT_PRODUCTS_DIR; + }; 83BB13C220E4E38E00723731 /* vgmstream.bundle */ = { isa = PBXReferenceProxy; fileType = wrapper.cfbundle; @@ -2748,11 +2748,6 @@ name = Hively; targetProxy = 836FB5A518206F1500B3AD2D /* PBXContainerItemProxy */; }; - 8372C93C27C7893100E250C9 /* PBXTargetDependency */ = { - isa = PBXTargetDependency; - name = MAD; - targetProxy = 8372C93B27C7893100E250C9 /* PBXContainerItemProxy */; - }; 8375B36217FFEF010092A79F /* PBXTargetDependency */ = { isa = PBXTargetDependency; name = ArchiveSource; @@ -2763,6 +2758,11 @@ name = MIDI; targetProxy = 83B06702180D5776008E3612 /* PBXContainerItemProxy */; }; + 83B73B642D8FD74000A57F08 /* PBXTargetDependency */ = { + isa = PBXTargetDependency; + name = minimp3; + targetProxy = 83B73B632D8FD74000A57F08 /* PBXContainerItemProxy */; + }; 83BCB8D917FC96F800760340 /* PBXTargetDependency */ = { isa = PBXTargetDependency; name = HighlyComplete; diff --git a/Plugins/MAD/MADDecoder.m b/Plugins/MAD/MADDecoder.m deleted file mode 100644 index 8ceacabab..000000000 --- a/Plugins/MAD/MADDecoder.m +++ /dev/null @@ -1,902 +0,0 @@ -// -// MADFile.m -// Cog -// -// Created by Vincent Spader on 6/17/06. -// Copyright 2006 Vincent Spader. All rights reserved. -// - -#import "MADDecoder.h" - -#import "HTTPSource.h" - -#import "Logging.h" - -#import "id3tag.h" - -#import - -#import "CVbriHeader.h" - -@implementation MADDecoder - -#define LAME_HEADER_SIZE ((8 * 5) + 4 + 4 + 8 + 32 + 16 + 16 + 4 + 4 + 8 + 12 + 12 + 8 + 8 + 2 + 3 + 11 + 32 + 32 + 32) - -// From vbrheadersdk: -// ======================================== -// A Xing header may be present in the ancillary -// data field of the first frame of an mp3 bitstream -// The Xing header (optionally) contains -// frames total number of audio frames in the bitstream -// bytes total number of bytes in the bitstream -// toc table of contents - -// toc (table of contents) gives seek points -// for random access -// the ith entry determines the seek point for -// i-percent duration -// seek point in bytes = (toc[i]/256.0) * total_bitstream_bytes -// e.g. half duration seek point = (toc[50]/256.0) * total_bitstream_bytes - -#define FRAMES_FLAG 0x0001 -#define BYTES_FLAG 0x0002 -#define TOC_FLAG 0x0004 -#define VBR_SCALE_FLAG 0x0008 - -// Scan file quickly -- (void)bufferRefill:(struct mad_stream *)stream { - long bytesToRead, bytesRemaining; - - if(NULL == stream->buffer || MAD_ERROR_BUFLEN == stream->error) { - if(stream->next_frame) { - bytesRemaining = stream->bufend - stream->next_frame; - - memmove(_inputBuffer, stream->next_frame, bytesRemaining); - - bytesToRead = INPUT_BUFFER_SIZE - bytesRemaining; - } else { - bytesToRead = INPUT_BUFFER_SIZE; - bytesRemaining = 0; - } - - // Read raw bytes from the MP3 file - long bytesRead = [_source read:_inputBuffer + bytesRemaining amount:bytesToRead]; - - if(bytesRead == 0) { - memset(_inputBuffer + bytesRemaining + bytesRead, 0, MAD_BUFFER_GUARD); - bytesRead += MAD_BUFFER_GUARD; - inputEOF = YES; - } - - mad_stream_buffer(stream, _inputBuffer, bytesRead + bytesRemaining); - stream->error = MAD_ERROR_NONE; - } -} - -- (BOOL)scanFile { - struct mad_stream *stream; - struct mad_frame *frame; - - stream = (struct mad_stream *) calloc(sizeof(struct mad_stream), 1); - frame = (struct mad_frame *) calloc(sizeof(struct mad_frame), 1); - if(!stream || !frame) { - ALog(@"Out of memory!"); - return NO; - } - - long framesDecoded = 0; - int samplesPerMPEGFrame = 0; - - int id3_length = 0; - - mad_stream_init(stream); - mad_frame_init(frame); - - [_source seek:0 whence:SEEK_END]; - _fileSize = [_source tell]; - [_source seek:0 whence:SEEK_SET]; - - for(;;) { - [self bufferRefill:stream]; - - if(mad_frame_decode(frame, stream) == -1) { - if(MAD_RECOVERABLE(stream->error)) { - // Prevent ID3 tags from reporting recoverable frame errors - const uint8_t *buffer = stream->this_frame; - unsigned long buflen = stream->bufend - stream->this_frame; - - if(8 <= buflen && 0x52 == buffer[0] && 0x49 == buffer[1] && 0x46 == buffer[2] && - 0x46 == buffer[3]) { - uint32_t riffLen = buffer[4] | (buffer[5] << 8) | (buffer[6] << 16) | (buffer[7] << 24); - if(riffLen + 8 == _fileSize || - riffLen + 8 + 1 == _fileSize) { // In case of padding - ALog(@"Renamed RIFF file found, dropping to next input handler."); - return NO; - } - } - else if(10 <= buflen && 0x49 == buffer[0] && 0x44 == buffer[1] && 0x33 == buffer[2]) { - id3_length = (((buffer[6] & 0x7F) << (3 * 7)) | ((buffer[7] & 0x7F) << (2 * 7)) | - ((buffer[8] & 0x7F) << (1 * 7)) | ((buffer[9] & 0x7F) << (0 * 7))); - - _foundID3v2 = YES; - - // Add 10 bytes for ID3 header - id3_length += 10; - - void *tagBuffer = malloc(id3_length); - if(!tagBuffer) goto error; - - memcpy(tagBuffer, &buffer[0], MIN(buflen, id3_length)); - - long bufleft = id3_length - buflen; - long tagRead = MIN(buflen, id3_length); - - while(bufleft > 0) { - stream->error = MAD_ERROR_BUFLEN; - stream->next_frame = NULL; - [self bufferRefill:stream]; - buffer = stream->this_frame; - buflen = stream->bufend - stream->this_frame; - memcpy(tagBuffer + tagRead, buffer, MIN(buflen, bufleft)); - tagRead += MIN(buflen, bufleft); - bufleft -= buflen; - } - - if(bufleft < 0) { - mad_stream_skip(stream, buflen + bufleft); - } - - struct id3_tag *tag = id3_tag_parse(tagBuffer, id3_length); - - if(tag) { - for(size_t i = 0; i < tag->nframes; ++i) { - struct id3_frame *frame = tag->frames[i]; - if(!strcmp(frame->id, "COMM")) { - union id3_field *field; - const id3_ucs4_t *description; - const id3_ucs4_t *value; - - field = id3_frame_field(frame, 2); - description = id3_field_getstring(field); - - field = id3_frame_field(frame, 3); - value = id3_field_getfullstring(field); - - if(description && value) { - id3_utf8_t *description8 = id3_ucs4_utf8duplicate(description); - if(!strcmp((const char *)description8, "iTunSMPB")) { - id3_utf8_t *value8 = id3_ucs4_utf8duplicate(value); - - uint32_t zero, start_pad, end_pad; - uint64_t last_eight_frames_offset; - int64_t temp_duration; - - if(sscanf((const char *)value8, "%" PRIx32 " %" PRIx32 " %" PRIx32 " %" PRIx64 " %" PRIx32 " %" PRIx64, &zero, &start_pad, &end_pad, &temp_duration, &zero, &last_eight_frames_offset) == 6 && - temp_duration >= 0 && - start_pad <= (576 * 2 * 32) && - end_pad <= (576 * 2 * 64) && - (_fileSize && (last_eight_frames_offset < (_fileSize - id3_length)))) { - if(end_pad >= 528 + 1) { - _startPadding = start_pad + 528 + 1; - _endPadding = end_pad - (528 + 1); - // iTunes encodes the original length of the file here - totalFrames = temp_duration + _startPadding + _endPadding; - _foundiTunSMPB = YES; - } - } - - free(value8); - } - free(description8); - } - } - } - - id3_tag_delete(tag); - } - - free(tagBuffer); - } else if(stream->error == MAD_ERROR_BADDATAPTR) { - goto framedecoded; - } - - continue; - } else if(stream->error == MAD_ERROR_BUFLEN && inputEOF) { - break; - } else if(stream->error == MAD_ERROR_BUFLEN) { - continue; - } else { - // DLog(@"Unrecoverable error: %s", mad_stream_errorstr(&stream)); - break; - } - } - framedecoded: - framesDecoded++; - - if(framesDecoded == 1) { - sampleRate = frame->header.samplerate; - channels = MAD_NCHANNELS(&frame->header); - - if(MAD_FLAG_LSF_EXT & frame->header.flags || MAD_FLAG_MPEG_2_5_EXT & frame->header.flags) { - switch(frame->header.layer) { - case MAD_LAYER_I: - samplesPerMPEGFrame = 384; - layer = 1; - break; - case MAD_LAYER_II: - samplesPerMPEGFrame = 1152; - layer = 2; - break; - case MAD_LAYER_III: - samplesPerMPEGFrame = 576; - layer = 3; - break; - } - } else { - switch(frame->header.layer) { - case MAD_LAYER_I: - samplesPerMPEGFrame = 384; - layer = 1; - break; - case MAD_LAYER_II: - samplesPerMPEGFrame = 1152; - layer = 2; - break; - case MAD_LAYER_III: - samplesPerMPEGFrame = 1152; - layer = 3; - break; - } - } - - if(layer != 3) continue; - - const size_t ancillaryBitsRemaining = (stream->next_frame - stream->this_frame) * 8; - - static const int64_t xing_offtbl[2][2] = {{32, 17}, {17,9}}; - - const int64_t xing_offset = xing_offtbl[!!(MAD_FLAG_LSF_EXT & frame->header.flags || MAD_FLAG_MPEG_2_5_EXT & frame->header.flags)][channels == 1] + 4; // Plus MPEG header - - size_t ancBitsRemainingXing = ancillaryBitsRemaining - xing_offset * 8; - - if(ancBitsRemainingXing >= 32) { - const uint8_t *ptr = stream->this_frame + xing_offset; - struct mad_bitptr bitptr; - - mad_bit_init(&bitptr, ptr); - uint32_t magic = (uint32_t)mad_bit_read(&bitptr, 32); - ancBitsRemainingXing -= 32; - - if('Xing' == magic || 'Info' == magic) { - unsigned i; - uint32_t flags = 0, frames = 0, bytes = 0, vbrScale = 0; - - if(32 > ancBitsRemainingXing) - continue; - - flags = (uint32_t)mad_bit_read(&bitptr, 32); - ancBitsRemainingXing -= 32; - - // 4 byte value containing total frames - if(FRAMES_FLAG & flags) { - if(32 > ancBitsRemainingXing) - continue; - - frames = (uint32_t)mad_bit_read(&bitptr, 32); - ancBitsRemainingXing -= 32; - - // Determine number of samples, discounting encoder delay and padding - // Our concept of a frame is the same as CoreAudio's- one sample across all channels - totalFrames = frames * samplesPerMPEGFrame; - // DLog(@"TOTAL READ FROM XING"); - } - - // 4 byte value containing total bytes - if(BYTES_FLAG & flags) { - if(32 > ancBitsRemainingXing) - continue; - - bytes = (uint32_t)mad_bit_read(&bitptr, 32); - ancBitsRemainingXing -= 32; - } - - // 100 bytes containing TOC information - if(TOC_FLAG & flags) { - if(8 * 100 > ancBitsRemainingXing) - continue; - - for(i = 0; i < 100; ++i) - /*_xingTOC[i] = */ mad_bit_read(&bitptr, 8); - - ancBitsRemainingXing -= (8 * 100); - } - - // 4 byte value indicating encoded vbr scale - if(VBR_SCALE_FLAG & flags) { - if(32 > ancBitsRemainingXing) - continue; - - vbrScale = (uint32_t)mad_bit_read(&bitptr, 32); - ancBitsRemainingXing -= 32; - } - - framesDecoded = frames; - - _foundXingHeader = YES; - - // Loook for the LAME header next - // http://gabriel.mp3-tech.org/mp3infotag.html - if(32 > ancBitsRemainingXing) - continue; - magic = (uint32_t)mad_bit_read(&bitptr, 32); - - ancBitsRemainingXing -= 32; - - if('LAME' == magic || 'Lavf' == magic || 'Lavc' == magic) { - if(LAME_HEADER_SIZE > ancBitsRemainingXing) - continue; - - /*unsigned char versionString [5 + 1]; - memset(versionString, 0, 6);*/ - - for(i = 0; i < 5; ++i) - /*versionString[i] =*/mad_bit_read(&bitptr, 8); - - /*uint8_t infoTagRevision =*/mad_bit_read(&bitptr, 4); - /*uint8_t vbrMethod =*/mad_bit_read(&bitptr, 4); - - /*uint8_t lowpassFilterValue =*/mad_bit_read(&bitptr, 8); - - /*float peakSignalAmplitude =*/mad_bit_read(&bitptr, 32); - /*uint16_t radioReplayGain =*/mad_bit_read(&bitptr, 16); - /*uint16_t audiophileReplayGain =*/mad_bit_read(&bitptr, 16); - - /*uint8_t encodingFlags =*/mad_bit_read(&bitptr, 4); - /*uint8_t athType =*/mad_bit_read(&bitptr, 4); - - /*uint8_t lameBitrate =*/mad_bit_read(&bitptr, 8); - - _startPadding = mad_bit_read(&bitptr, 12); - _endPadding = mad_bit_read(&bitptr, 12); - - _startPadding += 528 + 1; // MDCT/filterbank delay - _endPadding -= 528 + 1; - - /*uint8_t misc =*/mad_bit_read(&bitptr, 8); - - /*uint8_t mp3Gain =*/mad_bit_read(&bitptr, 8); - /*DLog(@"Gain: %i", mp3Gain);*/ - - /*uint8_t unused =*/mad_bit_read(&bitptr, 2); - /*uint8_t surroundInfo =*/mad_bit_read(&bitptr, 3); - /*uint16_t presetInfo =*/mad_bit_read(&bitptr, 11); - - /*uint32_t musicGain =*/mad_bit_read(&bitptr, 32); - - /*uint32_t musicCRC =*/mad_bit_read(&bitptr, 32); - - /*uint32_t tagCRC =*/mad_bit_read(&bitptr, 32); - - ancBitsRemainingXing -= LAME_HEADER_SIZE; - - _foundLAMEHeader = YES; - break; - } - } - } - - const size_t vbri_offset = 4 + 32; - - size_t ancBitsRemainingVBRI = ancillaryBitsRemaining - vbri_offset * 8; - - if(ancBitsRemainingVBRI >= 32) { - const uint8_t *ptr = stream->this_frame + vbri_offset; - struct mad_bitptr bitptr; - mad_bit_init(&bitptr, ptr); - - uint32_t magic = (uint32_t)mad_bit_read(&bitptr, 32); - ancBitsRemainingVBRI -= 32; - - if('VBRI' == magic) { - struct VbriHeader *vbri_header = 0; - if(readVbriHeader(&vbri_header, mad_bit_nextbyte(&bitptr), ancBitsRemainingVBRI / 8) == 0) { - uint32_t frames = VbriTotalFrames(vbri_header); - totalFrames = frames * samplesPerMPEGFrame; - _startPadding = 0; - _endPadding = 0; - - _foundVBRIHeader = YES; - } - - if(vbri_header) { - freeVbriHeader(vbri_header); - } - - break; - } - } - } else if(_foundXingHeader || _foundiTunSMPB || _foundVBRIHeader) { - break; - } else if(framesDecoded > 1) { - break; - } - } - - // Don't commit division by zero on bad files - if(stream->next_frame == stream->this_frame) { - goto error; - } - - if(!_foundiTunSMPB && !_foundXingHeader && !_foundVBRIHeader) { - // Now do CBR estimation instead of full file scanning - size_t frameCount = (_fileSize - id3_length) / (stream->next_frame - stream->this_frame); - mad_timer_t duration = frame->header.duration; - mad_timer_multiply(&duration, frameCount); - totalFrames = mad_timer_count(duration, sampleRate); - } - - bitrate = ((double)((_fileSize - id3_length) * 8) / 1000.0) * (sampleRate / (double)totalFrames); - - mad_frame_finish(frame); - mad_stream_finish(stream); - - free(frame); - free(stream); - - [_source seek:0 whence:SEEK_SET]; - inputEOF = NO; - - DLog(@"Mad properties: %@", [self properties]); - - return YES; - -error: - if(frame) { - mad_frame_finish(frame); - free(frame); - } - if(stream) { - mad_stream_finish(stream); - free(stream); - } - return NO; -} - -- (BOOL)open:(id)source { - _source = source; - - /* First the structures used by libmad must be initialized. */ - mad_stream_init(&_stream); - mad_frame_init(&_frame); - mad_synth_init(&_synth); - - _firstFrame = YES; - _outputFrames = 0; - _startPadding = 0; - _endPadding = 0; - // DLog(@"OPEN: %i", _firstFrame); - - seconds = 0.0; - - inputEOF = NO; - - genre = @""; - album = @""; - artist = @""; - title = @""; - - if(![_source seekable]) { - // Decode the first frame to get the channels, samplerate, etc. - int r; - do { - r = [self decodeMPEGFrame]; - DLog(@"Decoding first frame: %i", r); - } while(r == 0); - - if(r != -1) { - metadataUpdateInterval = sampleRate; - metadataUpdateCount = 0; - } - - return (r == -1 ? NO : YES); - } - - framesToSkip = 0; - - BOOL ret = [self scanFile]; - - if(_foundLAMEHeader || _foundiTunSMPB) { - framesToSkip = _startPadding; - } - - metadataUpdateInterval = sampleRate; - metadataUpdateCount = 0; - - return ret; -} - -- (BOOL)writeOutput { - unsigned long startingSample = 0; - unsigned long sampleCount = _synth.pcm.length; - - // DLog(@"Position: %li/%li", _framesDecoded, totalFrames); - // DLog(@"<%i, %i>", _startPadding, _endPadding); - if(framesToSkip > 0) { - startingSample = framesToSkip; - } - - // DLog(@"Counts: %i, %i", startingSample, sampleCount); - if(_foundLAMEHeader || _foundiTunSMPB) { - // Past the end of the file. - if(totalFrames - _endPadding <= _framesDecoded) { - // DLog(@"End of file. Not writing."); - return YES; - } - - // Clip this for the following calculation, so this doesn't underflow - // when seeking and skipping a lot of samples - unsigned long startingSampleClipped = MIN(startingSample, sampleCount); - - // We are at the end of the file and need to read the last few frames - if(_framesDecoded + (sampleCount - startingSampleClipped) > totalFrames - _endPadding) { - // DLog(@"End of file. %li", totalFrames - _endPadding - _framesDecoded); - sampleCount = totalFrames - _endPadding - _framesDecoded + startingSample; - } - } else { - // Past the end of the file. - if([_source seekable] && totalFrames <= _framesDecoded) { - return YES; - } - } - - // We haven't even gotten to the start yet - if(startingSample >= sampleCount) { - // DLog(@"Skipping entire sample"); - _framesDecoded += sampleCount; - framesToSkip -= sampleCount; - return NO; - } - - framesToSkip = 0; - - // DLog(@"Revised: %i, %i", startingSample, sampleCount); - - _framesDecoded += sampleCount; - - if(_outputFrames > 0) { - DLog(@"LOSING FRAMES!"); - } - _outputFrames = (sampleCount - startingSample); - - if(_currentOutputFrames < _outputFrames) { - _outputBuffer = (float *)realloc(_outputBuffer, _outputFrames * channels * sizeof(float)); - _currentOutputFrames = _outputFrames; - } - - int ch; - - // samples [0 ... n] - for(ch = 0; ch < channels; ch++) { - vDSP_vflt32(&_synth.pcm.samples[ch][startingSample], 1, &_outputBuffer[ch], channels, _outputFrames); - } - float scale = (float)MAD_F_ONE; - vDSP_vsdiv(&_outputBuffer[0], 1, &scale, &_outputBuffer[0], 1, _outputFrames * channels); - - // Output to a file - // FILE *f = fopen("data.raw", "a"); - // fwrite(_outputBuffer, channels * 2, _outputFrames, f); - // fclose(f); - - return NO; -} - -- (int)decodeMPEGFrame { - if(_stream.buffer == NULL || _stream.error == MAD_ERROR_BUFLEN) { - int inputToRead; - int inputRemaining; - - if(_stream.next_frame != NULL) { - inputRemaining = (int)(_stream.bufend - _stream.next_frame); - - memmove(_inputBuffer, _stream.next_frame, inputRemaining); - - inputToRead = INPUT_BUFFER_SIZE - inputRemaining; - } else { - inputToRead = INPUT_BUFFER_SIZE; - inputRemaining = 0; - } - - long inputRead = [_source read:_inputBuffer + inputRemaining amount:INPUT_BUFFER_SIZE - inputRemaining]; - if(inputRead == 0) { - memset(_inputBuffer + inputRemaining + inputRead, 0, MAD_BUFFER_GUARD); - inputRead += MAD_BUFFER_GUARD; - inputEOF = YES; - } - - mad_stream_buffer(&_stream, _inputBuffer, inputRead + inputRemaining); - _stream.error = MAD_ERROR_NONE; - // DLog(@"Read stream."); - } - - BOOL skippingBadFrame = NO; - - if(mad_frame_decode(&_frame, &_stream) == -1) { - if(_stream.error == MAD_ERROR_BADDATAPTR) { - skippingBadFrame = YES; - } else if(MAD_RECOVERABLE(_stream.error)) { - const uint8_t *buffer = _stream.this_frame; - unsigned long buflen = _stream.bufend - _stream.this_frame; - uint32_t id3_length = 0; - - // No longer need ID3Tag framework - if(10 <= buflen && 0x49 == buffer[0] && 0x44 == buffer[1] && 0x33 == buffer[2]) { - id3_length = (((buffer[6] & 0x7F) << (3 * 7)) | ((buffer[7] & 0x7F) << (2 * 7)) | - ((buffer[8] & 0x7F) << (1 * 7)) | ((buffer[9] & 0x7F) << (0 * 7))); - - // Add 10 bytes for ID3 header - id3_length += 10; - - mad_stream_skip(&_stream, id3_length); - } - - DLog(@"recoverable error"); - return 0; - } else if(MAD_ERROR_BUFLEN == _stream.error && inputEOF) { - DLog(@"EOF"); - return -1; - } else if(MAD_ERROR_BUFLEN == _stream.error) { - // DLog(@"Bufferlen"); - return 0; - } else { - // DLog(@"Unrecoverable stream error: %s", mad_stream_errorstr(&_stream)); - return -1; - } - } - - if(!_firstFrame || !(_foundXingHeader && _foundVBRIHeader)) { - signed long frameDuration = mad_timer_count(_frame.header.duration, sampleRate); - if((framesToSkip - 1152 * 4) >= frameDuration) { - framesToSkip -= frameDuration; - _framesDecoded += frameDuration; - return 0; - } - } - - // DLog(@"Decoded buffer."); - if(!skippingBadFrame) { - mad_synth_frame(&_synth, &_frame); - } - // DLog(@"first frame: %i", _firstFrame); - if(_firstFrame) { - _firstFrame = NO; - - if(![_source seekable]) { - sampleRate = _frame.header.samplerate; - channels = MAD_NCHANNELS(&_frame.header); - - switch(_frame.header.layer) { - case MAD_LAYER_I: - layer = 1; - break; - case MAD_LAYER_II: - layer = 2; - break; - case MAD_LAYER_III: - layer = 3; - break; - default: - break; - } - - [self willChangeValueForKey:@"properties"]; - [self didChangeValueForKey:@"properties"]; - } - // DLog(@"FIRST FRAME!!! %i %i", _foundXingHeader, _foundLAMEHeader); - if(_foundXingHeader || _foundVBRIHeader) { - // DLog(@"Skipping xing header."); - return 0; - } - } else if(skippingBadFrame) { - return 0; - } - - return 1; -} - -- (BOOL)syncFormat { - float _sampleRate = _frame.header.samplerate; - int _channels = MAD_NCHANNELS(&_frame.header); - int _layer = 3; - - switch(_frame.header.layer) { - case MAD_LAYER_I: - _layer = 1; - break; - case MAD_LAYER_II: - _layer = 2; - break; - case MAD_LAYER_III: - _layer = 3; - break; - default: - break; - } - - BOOL changed = (_sampleRate != sampleRate || - _channels != channels || - _layer != layer); - - if(changed) { - sampleRate = _sampleRate; - channels = _channels; - layer = _layer; - - [self willChangeValueForKey:@"properties"]; - [self didChangeValueForKey:@"properties"]; - } - - return changed; -} - -- (AudioChunk *)readAudio { - if(!_firstFrame) - [self syncFormat]; - - id audioChunkClass = NSClassFromString(@"AudioChunk"); - AudioChunk *chunk = nil; - - for(;;) { - long framesToCopy = _outputFrames; - - if(framesToCopy) { - chunk = [[audioChunkClass alloc] initWithProperties:[self properties]]; - [chunk setStreamTimestamp:seconds]; - [chunk assignSamples:_outputBuffer frameCount:framesToCopy]; - seconds += [chunk duration]; - _outputFrames = 0; - break; - } - - int r = [self decodeMPEGFrame]; - // DLog(@"Decoding frame: %i", r); - if(r == 0) // Recoverable error. - continue; - else if(r == -1) // Unrecoverable error - break; - - if([self writeOutput]) { - return nil; - } - // DLog(@"Wrote output"); - - [self syncFormat]; - } - - metadataUpdateCount += chunk ? [chunk frameCount] : 0; - if(metadataUpdateCount >= metadataUpdateInterval) { - metadataUpdateCount -= metadataUpdateInterval; - [self updateMetadata]; - } - - // DLog(@"Read: %i/%i", bytesRead, size); - return chunk; -} - -- (void)close { - if(_source) { - _source = nil; - } - - if(_outputBuffer) { - free(_outputBuffer); - _outputBuffer = NULL; - _currentOutputFrames = 0; - } - - mad_synth_finish(&_synth); - mad_frame_finish(&_frame); - mad_stream_finish(&_stream); -} - -- (long)seek:(long)frame { - if(frame == _framesDecoded) { - return frame; - } - - if(frame > totalFrames) - frame = totalFrames; - - framesToSkip = 0; - - if(_foundLAMEHeader || _foundiTunSMPB) { - if(_framesDecoded < _startPadding) { - framesToSkip = _startPadding; - } - } - - if(frame < _framesDecoded) { - _framesDecoded = 0; - seconds = 0.0; - _firstFrame = YES; - if(_foundLAMEHeader || _foundiTunSMPB) - framesToSkip = _startPadding; - [_source seek:0 whence:SEEK_SET]; - - mad_stream_buffer(&_stream, NULL, 0); - } - - framesToSkip += frame - _framesDecoded; - seconds += (double)(frame - _framesDecoded) / sampleRate; - - return frame; -} - -- (void)updateMetadata { - NSString *_artist = artist; - NSString *_album = album; - NSString *_title = title; - NSString *_genre = genre; - - Class sourceClass = [_source class]; - if([sourceClass isEqual:NSClassFromString(@"HTTPSource")]) { - HTTPSource *httpSource = (HTTPSource *)_source; - if([httpSource hasMetadata]) { - NSDictionary *metadata = [httpSource metadata]; - _genre = [metadata valueForKey:@"genre"]; - _album = [metadata valueForKey:@"album"]; - _artist = [metadata valueForKey:@"artist"]; - _title = [metadata valueForKey:@"title"]; - } - } - - if(![_artist isEqual:artist] || - ![_album isEqual:album] || - ![_title isEqual:title] || - ![_genre isEqual:genre]) { - artist = _artist; - album = _album; - title = _title; - genre = _genre; - if(![_source seekable]) { - [self willChangeValueForKey:@"metadata"]; - [self didChangeValueForKey:@"metadata"]; - } - } -} - -- (NSDictionary *)properties { - if(layer < 1 || layer > 3) return nil; - const NSString *layers[3] = { @"MP1", @"MP2", @"MP3" }; - return @{ @"channels": @(channels), - @"bitsPerSample": @(32), - @"sampleRate": @(sampleRate), - @"floatingPoint": @(YES), - @"bitrate": @(bitrate), - @"totalFrames": @(totalFrames - (_startPadding + _endPadding)), - @"seekable": @([_source seekable]), - @"codec": layers[layer - 1], - @"endian": @"host", - @"encoding": @"lossy" }; -} - -- (NSDictionary *)metadata { - return @{ @"artist": artist, @"album": album, @"title": title, @"genre": genre }; -} - -+ (NSArray *)fileTypes { - return @[@"mp3", @"m2a", @"mpa"]; -} - -+ (NSArray *)mimeTypes { - return @[@"audio/mpeg", @"audio/x-mp3"]; -} - -+ (NSArray *)fileTypeAssociations { - return @[@[@"MPEG Audio File", @"mp3.icns", @"mp3", @"m2a", @"mpa"]]; -} - -+ (float)priority { - return 2.0; -} - -@end diff --git a/Plugins/MAD/MADDecoder.h b/Plugins/minimp3/MP3Decoder.h similarity index 52% rename from Plugins/MAD/MADDecoder.h rename to Plugins/minimp3/MP3Decoder.h index 95cddf753..686120b3c 100644 --- a/Plugins/MAD/MADDecoder.h +++ b/Plugins/minimp3/MP3Decoder.h @@ -1,5 +1,5 @@ // -// MADFile.h +// MP3Decoder.h // Cog // // Created by Vincent Spader on 6/17/06. @@ -8,39 +8,39 @@ #import -#import "MAD/mad.h" +#define MINIMP3_FLOAT_OUTPUT 1 +#define MINIMP3_NO_STDIO 1 + +#import "ThirdParty/minimp3_ex.h" #import "Plugin.h" #define INPUT_BUFFER_SIZE 5 * 8192 -@interface MADDecoder : NSObject { - struct mad_stream _stream; - struct mad_frame _frame; - struct mad_synth _synth; +@interface MP3Decoder : NSObject { + BOOL seekable; + mp3dec_t _decoder; + unsigned char _decoder_buffer[32768]; + size_t _decoder_buffer_filled; - unsigned char _inputBuffer[INPUT_BUFFER_SIZE + MAD_BUFFER_GUARD]; - float *_outputBuffer; - long _outputFrames; - long _currentOutputFrames; - long _fileSize; + mp3dec_ex_t _decoder_ex; + mp3dec_io_t _decoder_io; + + mp3dec_frame_info_t _decoder_info; + + size_t samples_filled; + mp3d_sample_t _decoder_buffer_output[MINIMP3_MAX_SAMPLES_PER_FRAME]; double seconds; id _source; - BOOL _firstFrame; - - // For gapless playback of mp3s - BOOL _foundXingHeader; - BOOL _foundLAMEHeader; - BOOL _foundVBRIHeader; - BOOL _foundID3v2; + uint32_t _startPadding, _endPadding; BOOL _foundiTunSMPB; + long _fileSize; long _framesDecoded; - uint16_t _startPadding; - uint16_t _endPadding; + BOOL _foundID3v2; BOOL inputEOF; @@ -48,7 +48,6 @@ float sampleRate; int bitrate; long totalFrames; - long framesToSkip; int layer; int metadataUpdateInterval; @@ -60,6 +59,4 @@ NSString *title; } -- (int)decodeMPEGFrame; - @end diff --git a/Plugins/minimp3/MP3Decoder.m b/Plugins/minimp3/MP3Decoder.m new file mode 100644 index 000000000..d7134fc66 --- /dev/null +++ b/Plugins/minimp3/MP3Decoder.m @@ -0,0 +1,369 @@ +// +// MP3Decoder.m +// Cog +// +// Created by Vincent Spader on 6/17/06. +// Copyright 2006 Vincent Spader. All rights reserved. +// + +#define MINIMP3_IMPLEMENTATION 1 + +#import "MP3Decoder.h" + +#import "HTTPSource.h" + +#import "Logging.h" + +#import "id3tag.h" + +#import "CVbriHeader.h" + +@implementation MP3Decoder + +static size_t mp3_read_callback(void *buf, size_t size, void *user_data) { + id _file = (__bridge id)user_data; + return [_file read:buf amount:size]; +} + +static int mp3_seek_callback(uint64_t position, void *user_data) { + id _file = (__bridge id)user_data; + return [_file seek:position whence:SEEK_SET] ? 0 : -1; +} + +- (BOOL)open:(id)source { + _source = source; + + seekable = [source seekable]; + + size_t id3_length = 0; + + if(seekable) { + uint8_t buffer[10]; + size_t buflen = [source read:&buffer[0] amount:10]; + + [source seek:0 whence:SEEK_END]; + _fileSize = [source tell]; + [source seek:10 whence:SEEK_SET]; + + if(10 <= buflen && 0x49 == buffer[0] && 0x44 == buffer[1] && 0x33 == buffer[2]) { + id3_length = (((buffer[6] & 0x7F) << (3 * 7)) | ((buffer[7] & 0x7F) << (2 * 7)) | + ((buffer[8] & 0x7F) << (1 * 7)) | ((buffer[9] & 0x7F) << (0 * 7))); + + _foundID3v2 = YES; + + // Add 10 bytes for ID3 header + id3_length += 10; + + void *tagBuffer = malloc(id3_length); + if(!tagBuffer) + return NO; + + memcpy(tagBuffer, &buffer[0], MIN(buflen, id3_length)); + + long bufleft = id3_length - buflen; + long tagRead = MIN(buflen, id3_length); + + while(bufleft > 0) { + size_t bufRead = [source read:tagBuffer + tagRead amount:bufleft]; + if(bufRead <= 0) { + free(tagBuffer); + return NO; + } + tagRead += bufRead; + if(bufRead < bufleft) { + free(tagBuffer); + return NO; + } + bufleft -= bufRead; + } + + struct id3_tag *tag = id3_tag_parse(tagBuffer, id3_length); + + if(tag) { + for(size_t i = 0; i < tag->nframes; ++i) { + struct id3_frame *frame = tag->frames[i]; + if(!strcmp(frame->id, "COMM")) { + union id3_field *field; + const id3_ucs4_t *description; + const id3_ucs4_t *value; + + field = id3_frame_field(frame, 2); + description = id3_field_getstring(field); + + field = id3_frame_field(frame, 3); + value = id3_field_getfullstring(field); + + if(description && value) { + id3_utf8_t *description8 = id3_ucs4_utf8duplicate(description); + if(!strcmp((const char *)description8, "iTunSMPB")) { + id3_utf8_t *value8 = id3_ucs4_utf8duplicate(value); + + uint32_t zero, start_pad, end_pad; + uint64_t last_eight_frames_offset; + int64_t temp_duration; + + if(sscanf((const char *)value8, "%" PRIx32 " %" PRIx32 " %" PRIx32 " %" PRIx64 " %" PRIx32 " %" PRIx64, &zero, &start_pad, &end_pad, &temp_duration, &zero, &last_eight_frames_offset) == 6 && + temp_duration >= 0 && + start_pad <= (576 * 2 * 32) && + end_pad <= (576 * 2 * 64) && + (_fileSize && (last_eight_frames_offset < (_fileSize - id3_length)))) { + if(end_pad >= 528 + 1) { + _startPadding = start_pad + 528 + 1; + _endPadding = end_pad - (528 + 1); + // iTunes encodes the original length of the file here + totalFrames = temp_duration; + _foundiTunSMPB = YES; + } + } + + free(value8); + } + free(description8); + } + } + } + + id3_tag_delete(tag); + } + + free(tagBuffer); + } + + _decoder_io.read = mp3_read_callback; + _decoder_io.read_data = (__bridge void *)source; + _decoder_io.seek = mp3_seek_callback; + _decoder_io.seek_data = (__bridge void *)source; + int error = mp3dec_ex_open_cb(&_decoder_ex, &_decoder_io, MP3D_SEEK_TO_SAMPLE); + if(error) + return NO; + if(_foundiTunSMPB) { + _decoder_ex.start_delay = _decoder_ex.to_skip = _startPadding * _decoder_ex.info.channels; + _decoder_ex.detected_samples = totalFrames * _decoder_ex.info.channels; + _decoder_ex.samples = (totalFrames + _startPadding + _endPadding) * _decoder_ex.info.channels; + } + mp3d_sample_t *sample_ptr = NULL; + size_t samples = mp3dec_ex_read_frame(&_decoder_ex, &sample_ptr, &_decoder_info, 1152 * 2); + if(samples && sample_ptr) { + samples_filled = samples / _decoder_info.channels; + memcpy(&_decoder_buffer_output[0], sample_ptr, sizeof(mp3d_sample_t) * samples); + } + inputEOF = NO; + if(!_foundiTunSMPB) { + size_t samples = _decoder_ex.detected_samples; + if(!samples) { + samples = _decoder_ex.samples; + } + totalFrames = samples / _decoder_info.channels; + } + bitrate = (double)((_fileSize - id3_length) * 8) / ((double)totalFrames / (double)_decoder_info.hz) / 1000.0; + } else { + _decoder_buffer_filled = [source read:_decoder_buffer amount:32768]; + inputEOF = _decoder_buffer_filled < 32768; + mp3dec_init(&_decoder); + int samples = mp3dec_decode_frame(&_decoder, _decoder_buffer, (int)_decoder_buffer_filled, &_decoder_buffer_output[0], &_decoder_info); + if(!samples) + return NO; + size_t bytes_read = _decoder_info.frame_bytes; + if(bytes_read >= _decoder_buffer_filled) { + _decoder_buffer_filled = 0; + } else { + _decoder_buffer_filled -= bytes_read; + memmove(&_decoder_buffer[0], &_decoder_buffer[bytes_read], _decoder_buffer_filled); + } + samples_filled = samples; + bitrate = _decoder_info.bitrate_kbps; + } + + [self syncFormat]; + + // DLog(@"OPEN: %i", _firstFrame); + + seconds = 0.0; + + genre = @""; + album = @""; + artist = @""; + title = @""; + + metadataUpdateInterval = sampleRate; + metadataUpdateCount = 0; + + return YES; +} + +- (BOOL)syncFormat { + float _sampleRate = _decoder_info.hz; + int _channels = _decoder_info.channels; + int _layer = _decoder_info.layer; + + BOOL changed = (_sampleRate != sampleRate || + _channels != channels || + _layer != layer); + + if(changed) { + sampleRate = _sampleRate; + channels = _channels; + layer = _layer; + + [self willChangeValueForKey:@"properties"]; + [self didChangeValueForKey:@"properties"]; + } + + return changed; +} + +- (AudioChunk *)readAudio { + id audioChunkClass = NSClassFromString(@"AudioChunk"); + AudioChunk *chunk = nil; + + for(;;) { + long framesToCopy = samples_filled; + + if(framesToCopy) { + chunk = [[audioChunkClass alloc] initWithProperties:[self properties]]; + [chunk setStreamTimestamp:seconds]; + [chunk assignSamples:_decoder_buffer_output frameCount:framesToCopy]; + seconds += [chunk duration]; + samples_filled = 0; + _framesDecoded += framesToCopy; + break; + } + + if(seekable) { + mp3d_sample_t *sample_ptr = NULL; + size_t samples = mp3dec_ex_read_frame(&_decoder_ex, &sample_ptr, &_decoder_info, 1152 * 2); + if(samples && sample_ptr) { + samples_filled = samples / _decoder_info.channels; + memcpy(&_decoder_buffer_output[0], sample_ptr, sizeof(mp3d_sample_t) * samples); + } else { + inputEOF = YES; + } + } else { + size_t bytesRemain = 32768 - _decoder_buffer_filled; + ssize_t bytesRead = [_source read:&_decoder_buffer[_decoder_buffer_filled] amount:bytesRemain]; + if(bytesRead < 0 || bytesRead < bytesRemain) { + inputEOF = YES; + } + if(bytesRead > 0) { + _decoder_buffer_filled += bytesRead; + } + int samples = mp3dec_decode_frame(&_decoder, &_decoder_buffer[0], (int)_decoder_buffer_filled, &_decoder_buffer_output[0], &_decoder_info); + if(samples > 0) { + samples_filled = samples; + } else { + inputEOF = YES; + } + } + + [self syncFormat]; + + if(inputEOF) + break; + } + + metadataUpdateCount += chunk ? [chunk frameCount] : 0; + if(metadataUpdateCount >= metadataUpdateInterval) { + metadataUpdateCount -= metadataUpdateInterval; + [self updateMetadata]; + } + + // DLog(@"Read: %i/%i", bytesRead, size); + return chunk; +} + +- (void)close { + if(_source) { + _source = nil; + } +} + +- (long)seek:(long)frame { + if(frame == _framesDecoded) { + return frame; + } + + if(frame > totalFrames) + frame = totalFrames; + + if(seekable) { + int error = mp3dec_ex_seek(&_decoder_ex, frame); + if(error < 0) { + return -1; + } + } + + seconds = (double)frame / (double)_decoder_info.hz; + _framesDecoded = frame; + + return frame; +} + +- (void)updateMetadata { + NSString *_artist = artist; + NSString *_album = album; + NSString *_title = title; + NSString *_genre = genre; + + Class sourceClass = [_source class]; + if([sourceClass isEqual:NSClassFromString(@"HTTPSource")]) { + HTTPSource *httpSource = (HTTPSource *)_source; + if([httpSource hasMetadata]) { + NSDictionary *metadata = [httpSource metadata]; + _genre = [metadata valueForKey:@"genre"]; + _album = [metadata valueForKey:@"album"]; + _artist = [metadata valueForKey:@"artist"]; + _title = [metadata valueForKey:@"title"]; + } + } + + if(![_artist isEqual:artist] || + ![_album isEqual:album] || + ![_title isEqual:title] || + ![_genre isEqual:genre]) { + artist = _artist; + album = _album; + title = _title; + genre = _genre; + if(![_source seekable]) { + [self willChangeValueForKey:@"metadata"]; + [self didChangeValueForKey:@"metadata"]; + } + } +} + +- (NSDictionary *)properties { + if(layer < 1 || layer > 3) return nil; + const NSString *layers[3] = { @"MP1", @"MP2", @"MP3" }; + return @{ @"channels": @(channels), + @"bitsPerSample": @(32), + @"sampleRate": @(sampleRate), + @"floatingPoint": @(YES), + @"bitrate": @(bitrate), + @"totalFrames": @(totalFrames), + @"seekable": @(seekable), + @"codec": layers[layer - 1], + @"endian": @"host", + @"encoding": @"lossy" }; +} + +- (NSDictionary *)metadata { + return @{ @"artist": artist, @"album": album, @"title": title, @"genre": genre }; +} + ++ (NSArray *)fileTypes { + return @[@"mp3", @"m2a", @"mpa"]; +} + ++ (NSArray *)mimeTypes { + return @[@"audio/mpeg", @"audio/x-mp3"]; +} + ++ (NSArray *)fileTypeAssociations { + return @[@[@"MPEG Audio File", @"mp3.icns", @"mp3", @"m2a", @"mpa"]]; +} + ++ (float)priority { + return 2.0; +} + +@end diff --git a/Plugins/MAD/ThirdParty/CVbriHeader.c b/Plugins/minimp3/ThirdParty/CVbriHeader.c similarity index 100% rename from Plugins/MAD/ThirdParty/CVbriHeader.c rename to Plugins/minimp3/ThirdParty/CVbriHeader.c diff --git a/Plugins/MAD/ThirdParty/CVbriHeader.h b/Plugins/minimp3/ThirdParty/CVbriHeader.h similarity index 100% rename from Plugins/MAD/ThirdParty/CVbriHeader.h rename to Plugins/minimp3/ThirdParty/CVbriHeader.h diff --git a/Plugins/minimp3/ThirdParty/minimp3.h b/Plugins/minimp3/ThirdParty/minimp3.h new file mode 100644 index 000000000..3220ae1a8 --- /dev/null +++ b/Plugins/minimp3/ThirdParty/minimp3.h @@ -0,0 +1,1865 @@ +#ifndef MINIMP3_H +#define MINIMP3_H +/* + https://github.com/lieff/minimp3 + To the extent possible under law, the author(s) have dedicated all copyright and related and neighboring rights to this software to the public domain worldwide. + This software is distributed without any warranty. + See . +*/ +#include + +#define MINIMP3_MAX_SAMPLES_PER_FRAME (1152*2) + +typedef struct +{ + int frame_bytes, frame_offset, channels, hz, layer, bitrate_kbps; +} mp3dec_frame_info_t; + +typedef struct +{ + float mdct_overlap[2][9*32], qmf_state[15*2*32]; + int reserv, free_format_bytes; + unsigned char header[4], reserv_buf[511]; +} mp3dec_t; + +#ifdef __cplusplus +extern "C" { +#endif /* __cplusplus */ + +void mp3dec_init(mp3dec_t *dec); +#ifndef MINIMP3_FLOAT_OUTPUT +typedef int16_t mp3d_sample_t; +#else /* MINIMP3_FLOAT_OUTPUT */ +typedef float mp3d_sample_t; +void mp3dec_f32_to_s16(const float *in, int16_t *out, int num_samples); +#endif /* MINIMP3_FLOAT_OUTPUT */ +int mp3dec_decode_frame(mp3dec_t *dec, const uint8_t *mp3, int mp3_bytes, mp3d_sample_t *pcm, mp3dec_frame_info_t *info); + +#ifdef __cplusplus +} +#endif /* __cplusplus */ + +#endif /* MINIMP3_H */ +#if defined(MINIMP3_IMPLEMENTATION) && !defined(_MINIMP3_IMPLEMENTATION_GUARD) +#define _MINIMP3_IMPLEMENTATION_GUARD + +#include +#include + +#define MAX_FREE_FORMAT_FRAME_SIZE 2304 /* more than ISO spec's */ +#ifndef MAX_FRAME_SYNC_MATCHES +#define MAX_FRAME_SYNC_MATCHES 10 +#endif /* MAX_FRAME_SYNC_MATCHES */ + +#define MAX_L3_FRAME_PAYLOAD_BYTES MAX_FREE_FORMAT_FRAME_SIZE /* MUST be >= 320000/8/32000*1152 = 1440 */ + +#define MAX_BITRESERVOIR_BYTES 511 +#define SHORT_BLOCK_TYPE 2 +#define STOP_BLOCK_TYPE 3 +#define MODE_MONO 3 +#define MODE_JOINT_STEREO 1 +#define HDR_SIZE 4 +#define HDR_IS_MONO(h) (((h[3]) & 0xC0) == 0xC0) +#define HDR_IS_MS_STEREO(h) (((h[3]) & 0xE0) == 0x60) +#define HDR_IS_FREE_FORMAT(h) (((h[2]) & 0xF0) == 0) +#define HDR_IS_CRC(h) (!((h[1]) & 1)) +#define HDR_TEST_PADDING(h) ((h[2]) & 0x2) +#define HDR_TEST_MPEG1(h) ((h[1]) & 0x8) +#define HDR_TEST_NOT_MPEG25(h) ((h[1]) & 0x10) +#define HDR_TEST_I_STEREO(h) ((h[3]) & 0x10) +#define HDR_TEST_MS_STEREO(h) ((h[3]) & 0x20) +#define HDR_GET_STEREO_MODE(h) (((h[3]) >> 6) & 3) +#define HDR_GET_STEREO_MODE_EXT(h) (((h[3]) >> 4) & 3) +#define HDR_GET_LAYER(h) (((h[1]) >> 1) & 3) +#define HDR_GET_BITRATE(h) ((h[2]) >> 4) +#define HDR_GET_SAMPLE_RATE(h) (((h[2]) >> 2) & 3) +#define HDR_GET_MY_SAMPLE_RATE(h) (HDR_GET_SAMPLE_RATE(h) + (((h[1] >> 3) & 1) + ((h[1] >> 4) & 1))*3) +#define HDR_IS_FRAME_576(h) ((h[1] & 14) == 2) +#define HDR_IS_LAYER_1(h) ((h[1] & 6) == 6) + +#define BITS_DEQUANTIZER_OUT -1 +#define MAX_SCF (255 + BITS_DEQUANTIZER_OUT*4 - 210) +#define MAX_SCFI ((MAX_SCF + 3) & ~3) + +#define MINIMP3_MIN(a, b) ((a) > (b) ? (b) : (a)) +#define MINIMP3_MAX(a, b) ((a) < (b) ? (b) : (a)) + +#if !defined(MINIMP3_NO_SIMD) + +#if !defined(MINIMP3_ONLY_SIMD) && (defined(_M_X64) || defined(__x86_64__) || defined(__aarch64__) || defined(_M_ARM64)) +/* x64 always have SSE2, arm64 always have neon, no need for generic code */ +#define MINIMP3_ONLY_SIMD +#endif /* SIMD checks... */ + +#if (defined(_MSC_VER) && (defined(_M_IX86) || defined(_M_X64))) || ((defined(__i386__) || defined(__x86_64__)) && defined(__SSE2__)) +#if defined(_MSC_VER) +#include +#endif /* defined(_MSC_VER) */ +#include +#define HAVE_SSE 1 +#define HAVE_SIMD 1 +#define VSTORE _mm_storeu_ps +#define VLD _mm_loadu_ps +#define VSET _mm_set1_ps +#define VADD _mm_add_ps +#define VSUB _mm_sub_ps +#define VMUL _mm_mul_ps +#define VMAC(a, x, y) _mm_add_ps(a, _mm_mul_ps(x, y)) +#define VMSB(a, x, y) _mm_sub_ps(a, _mm_mul_ps(x, y)) +#define VMUL_S(x, s) _mm_mul_ps(x, _mm_set1_ps(s)) +#define VREV(x) _mm_shuffle_ps(x, x, _MM_SHUFFLE(0, 1, 2, 3)) +typedef __m128 f4; +#if defined(_MSC_VER) || defined(MINIMP3_ONLY_SIMD) +#define minimp3_cpuid __cpuid +#else /* defined(_MSC_VER) || defined(MINIMP3_ONLY_SIMD) */ +static __inline__ __attribute__((always_inline)) void minimp3_cpuid(int CPUInfo[], const int InfoType) +{ +#if defined(__PIC__) + __asm__ __volatile__( +#if defined(__x86_64__) + "push %%rbx\n" + "cpuid\n" + "xchgl %%ebx, %1\n" + "pop %%rbx\n" +#else /* defined(__x86_64__) */ + "xchgl %%ebx, %1\n" + "cpuid\n" + "xchgl %%ebx, %1\n" +#endif /* defined(__x86_64__) */ + : "=a" (CPUInfo[0]), "=r" (CPUInfo[1]), "=c" (CPUInfo[2]), "=d" (CPUInfo[3]) + : "a" (InfoType)); +#else /* defined(__PIC__) */ + __asm__ __volatile__( + "cpuid" + : "=a" (CPUInfo[0]), "=b" (CPUInfo[1]), "=c" (CPUInfo[2]), "=d" (CPUInfo[3]) + : "a" (InfoType)); +#endif /* defined(__PIC__)*/ +} +#endif /* defined(_MSC_VER) || defined(MINIMP3_ONLY_SIMD) */ +static int have_simd(void) +{ +#ifdef MINIMP3_ONLY_SIMD + return 1; +#else /* MINIMP3_ONLY_SIMD */ + static int g_have_simd; + int CPUInfo[4]; +#ifdef MINIMP3_TEST + static int g_counter; + if (g_counter++ > 100) + return 0; +#endif /* MINIMP3_TEST */ + if (g_have_simd) + goto end; + minimp3_cpuid(CPUInfo, 0); + g_have_simd = 1; + if (CPUInfo[0] > 0) + { + minimp3_cpuid(CPUInfo, 1); + g_have_simd = (CPUInfo[3] & (1 << 26)) + 1; /* SSE2 */ + } +end: + return g_have_simd - 1; +#endif /* MINIMP3_ONLY_SIMD */ +} +#elif defined(__ARM_NEON) || defined(__aarch64__) || defined(_M_ARM64) +#include +#define HAVE_SSE 0 +#define HAVE_SIMD 1 +#define VSTORE vst1q_f32 +#define VLD vld1q_f32 +#define VSET vmovq_n_f32 +#define VADD vaddq_f32 +#define VSUB vsubq_f32 +#define VMUL vmulq_f32 +#define VMAC(a, x, y) vmlaq_f32(a, x, y) +#define VMSB(a, x, y) vmlsq_f32(a, x, y) +#define VMUL_S(x, s) vmulq_f32(x, vmovq_n_f32(s)) +#define VREV(x) vcombine_f32(vget_high_f32(vrev64q_f32(x)), vget_low_f32(vrev64q_f32(x))) +typedef float32x4_t f4; +static int have_simd() +{ /* TODO: detect neon for !MINIMP3_ONLY_SIMD */ + return 1; +} +#else /* SIMD checks... */ +#define HAVE_SSE 0 +#define HAVE_SIMD 0 +#ifdef MINIMP3_ONLY_SIMD +#error MINIMP3_ONLY_SIMD used, but SSE/NEON not enabled +#endif /* MINIMP3_ONLY_SIMD */ +#endif /* SIMD checks... */ +#else /* !defined(MINIMP3_NO_SIMD) */ +#define HAVE_SIMD 0 +#endif /* !defined(MINIMP3_NO_SIMD) */ + +#if defined(__ARM_ARCH) && (__ARM_ARCH >= 6) && !defined(__aarch64__) && !defined(_M_ARM64) +#define HAVE_ARMV6 1 +static __inline__ __attribute__((always_inline)) int32_t minimp3_clip_int16_arm(int32_t a) +{ + int32_t x = 0; + __asm__ ("ssat %0, #16, %1" : "=r"(x) : "r"(a)); + return x; +} +#else +#define HAVE_ARMV6 0 +#endif + +typedef struct +{ + const uint8_t *buf; + int pos, limit; +} bs_t; + +typedef struct +{ + float scf[3*64]; + uint8_t total_bands, stereo_bands, bitalloc[64], scfcod[64]; +} L12_scale_info; + +typedef struct +{ + uint8_t tab_offset, code_tab_width, band_count; +} L12_subband_alloc_t; + +typedef struct +{ + const uint8_t *sfbtab; + uint16_t part_23_length, big_values, scalefac_compress; + uint8_t global_gain, block_type, mixed_block_flag, n_long_sfb, n_short_sfb; + uint8_t table_select[3], region_count[3], subblock_gain[3]; + uint8_t preflag, scalefac_scale, count1_table, scfsi; +} L3_gr_info_t; + +typedef struct +{ + bs_t bs; + uint8_t maindata[MAX_BITRESERVOIR_BYTES + MAX_L3_FRAME_PAYLOAD_BYTES]; + L3_gr_info_t gr_info[4]; + float grbuf[2][576], scf[40], syn[18 + 15][2*32]; + uint8_t ist_pos[2][39]; +} mp3dec_scratch_t; + +static void bs_init(bs_t *bs, const uint8_t *data, int bytes) +{ + bs->buf = data; + bs->pos = 0; + bs->limit = bytes*8; +} + +static uint32_t get_bits(bs_t *bs, int n) +{ + uint32_t next, cache = 0, s = bs->pos & 7; + int shl = n + s; + const uint8_t *p = bs->buf + (bs->pos >> 3); + if ((bs->pos += n) > bs->limit) + return 0; + next = *p++ & (255 >> s); + while ((shl -= 8) > 0) + { + cache |= next << shl; + next = *p++; + } + return cache | (next >> -shl); +} + +static int hdr_valid(const uint8_t *h) +{ + return h[0] == 0xff && + ((h[1] & 0xF0) == 0xf0 || (h[1] & 0xFE) == 0xe2) && + (HDR_GET_LAYER(h) != 0) && + (HDR_GET_BITRATE(h) != 15) && + (HDR_GET_SAMPLE_RATE(h) != 3); +} + +static int hdr_compare(const uint8_t *h1, const uint8_t *h2) +{ + return hdr_valid(h2) && + ((h1[1] ^ h2[1]) & 0xFE) == 0 && + ((h1[2] ^ h2[2]) & 0x0C) == 0 && + !(HDR_IS_FREE_FORMAT(h1) ^ HDR_IS_FREE_FORMAT(h2)); +} + +static unsigned hdr_bitrate_kbps(const uint8_t *h) +{ + static const uint8_t halfrate[2][3][15] = { + { { 0,4,8,12,16,20,24,28,32,40,48,56,64,72,80 }, { 0,4,8,12,16,20,24,28,32,40,48,56,64,72,80 }, { 0,16,24,28,32,40,48,56,64,72,80,88,96,112,128 } }, + { { 0,16,20,24,28,32,40,48,56,64,80,96,112,128,160 }, { 0,16,24,28,32,40,48,56,64,80,96,112,128,160,192 }, { 0,16,32,48,64,80,96,112,128,144,160,176,192,208,224 } }, + }; + return 2*halfrate[!!HDR_TEST_MPEG1(h)][HDR_GET_LAYER(h) - 1][HDR_GET_BITRATE(h)]; +} + +static unsigned hdr_sample_rate_hz(const uint8_t *h) +{ + static const unsigned g_hz[3] = { 44100, 48000, 32000 }; + return g_hz[HDR_GET_SAMPLE_RATE(h)] >> (int)!HDR_TEST_MPEG1(h) >> (int)!HDR_TEST_NOT_MPEG25(h); +} + +static unsigned hdr_frame_samples(const uint8_t *h) +{ + return HDR_IS_LAYER_1(h) ? 384 : (1152 >> (int)HDR_IS_FRAME_576(h)); +} + +static int hdr_frame_bytes(const uint8_t *h, int free_format_size) +{ + int frame_bytes = hdr_frame_samples(h)*hdr_bitrate_kbps(h)*125/hdr_sample_rate_hz(h); + if (HDR_IS_LAYER_1(h)) + { + frame_bytes &= ~3; /* slot align */ + } + return frame_bytes ? frame_bytes : free_format_size; +} + +static int hdr_padding(const uint8_t *h) +{ + return HDR_TEST_PADDING(h) ? (HDR_IS_LAYER_1(h) ? 4 : 1) : 0; +} + +#ifndef MINIMP3_ONLY_MP3 +static const L12_subband_alloc_t *L12_subband_alloc_table(const uint8_t *hdr, L12_scale_info *sci) +{ + const L12_subband_alloc_t *alloc; + int mode = HDR_GET_STEREO_MODE(hdr); + int nbands, stereo_bands = (mode == MODE_MONO) ? 0 : (mode == MODE_JOINT_STEREO) ? (HDR_GET_STEREO_MODE_EXT(hdr) << 2) + 4 : 32; + + if (HDR_IS_LAYER_1(hdr)) + { + static const L12_subband_alloc_t g_alloc_L1[] = { { 76, 4, 32 } }; + alloc = g_alloc_L1; + nbands = 32; + } else if (!HDR_TEST_MPEG1(hdr)) + { + static const L12_subband_alloc_t g_alloc_L2M2[] = { { 60, 4, 4 }, { 44, 3, 7 }, { 44, 2, 19 } }; + alloc = g_alloc_L2M2; + nbands = 30; + } else + { + static const L12_subband_alloc_t g_alloc_L2M1[] = { { 0, 4, 3 }, { 16, 4, 8 }, { 32, 3, 12 }, { 40, 2, 7 } }; + int sample_rate_idx = HDR_GET_SAMPLE_RATE(hdr); + unsigned kbps = hdr_bitrate_kbps(hdr) >> (int)(mode != MODE_MONO); + if (!kbps) /* free-format */ + { + kbps = 192; + } + + alloc = g_alloc_L2M1; + nbands = 27; + if (kbps < 56) + { + static const L12_subband_alloc_t g_alloc_L2M1_lowrate[] = { { 44, 4, 2 }, { 44, 3, 10 } }; + alloc = g_alloc_L2M1_lowrate; + nbands = sample_rate_idx == 2 ? 12 : 8; + } else if (kbps >= 96 && sample_rate_idx != 1) + { + nbands = 30; + } + } + + sci->total_bands = (uint8_t)nbands; + sci->stereo_bands = (uint8_t)MINIMP3_MIN(stereo_bands, nbands); + + return alloc; +} + +static void L12_read_scalefactors(bs_t *bs, uint8_t *pba, uint8_t *scfcod, int bands, float *scf) +{ + static const float g_deq_L12[18*3] = { +#define DQ(x) 9.53674316e-07f/x, 7.56931807e-07f/x, 6.00777173e-07f/x + DQ(3),DQ(7),DQ(15),DQ(31),DQ(63),DQ(127),DQ(255),DQ(511),DQ(1023),DQ(2047),DQ(4095),DQ(8191),DQ(16383),DQ(32767),DQ(65535),DQ(3),DQ(5),DQ(9) + }; + int i, m; + for (i = 0; i < bands; i++) + { + float s = 0; + int ba = *pba++; + int mask = ba ? 4 + ((19 >> scfcod[i]) & 3) : 0; + for (m = 4; m; m >>= 1) + { + if (mask & m) + { + int b = get_bits(bs, 6); + s = g_deq_L12[ba*3 - 6 + b % 3]*(1 << 21 >> b/3); + } + *scf++ = s; + } + } +} + +static void L12_read_scale_info(const uint8_t *hdr, bs_t *bs, L12_scale_info *sci) +{ + static const uint8_t g_bitalloc_code_tab[] = { + 0,17, 3, 4, 5,6,7, 8,9,10,11,12,13,14,15,16, + 0,17,18, 3,19,4,5, 6,7, 8, 9,10,11,12,13,16, + 0,17,18, 3,19,4,5,16, + 0,17,18,16, + 0,17,18,19, 4,5,6, 7,8, 9,10,11,12,13,14,15, + 0,17,18, 3,19,4,5, 6,7, 8, 9,10,11,12,13,14, + 0, 2, 3, 4, 5,6,7, 8,9,10,11,12,13,14,15,16 + }; + const L12_subband_alloc_t *subband_alloc = L12_subband_alloc_table(hdr, sci); + + int i, k = 0, ba_bits = 0; + const uint8_t *ba_code_tab = g_bitalloc_code_tab; + + for (i = 0; i < sci->total_bands; i++) + { + uint8_t ba; + if (i == k) + { + k += subband_alloc->band_count; + ba_bits = subband_alloc->code_tab_width; + ba_code_tab = g_bitalloc_code_tab + subband_alloc->tab_offset; + subband_alloc++; + } + ba = ba_code_tab[get_bits(bs, ba_bits)]; + sci->bitalloc[2*i] = ba; + if (i < sci->stereo_bands) + { + ba = ba_code_tab[get_bits(bs, ba_bits)]; + } + sci->bitalloc[2*i + 1] = sci->stereo_bands ? ba : 0; + } + + for (i = 0; i < 2*sci->total_bands; i++) + { + sci->scfcod[i] = sci->bitalloc[i] ? HDR_IS_LAYER_1(hdr) ? 2 : get_bits(bs, 2) : 6; + } + + L12_read_scalefactors(bs, sci->bitalloc, sci->scfcod, sci->total_bands*2, sci->scf); + + for (i = sci->stereo_bands; i < sci->total_bands; i++) + { + sci->bitalloc[2*i + 1] = 0; + } +} + +static int L12_dequantize_granule(float *grbuf, bs_t *bs, L12_scale_info *sci, int group_size) +{ + int i, j, k, choff = 576; + for (j = 0; j < 4; j++) + { + float *dst = grbuf + group_size*j; + for (i = 0; i < 2*sci->total_bands; i++) + { + int ba = sci->bitalloc[i]; + if (ba != 0) + { + if (ba < 17) + { + int half = (1 << (ba - 1)) - 1; + for (k = 0; k < group_size; k++) + { + dst[k] = (float)((int)get_bits(bs, ba) - half); + } + } else + { + unsigned mod = (2 << (ba - 17)) + 1; /* 3, 5, 9 */ + unsigned code = get_bits(bs, mod + 2 - (mod >> 3)); /* 5, 7, 10 */ + for (k = 0; k < group_size; k++, code /= mod) + { + dst[k] = (float)((int)(code % mod - mod/2)); + } + } + } + dst += choff; + choff = 18 - choff; + } + } + return group_size*4; +} + +static void L12_apply_scf_384(L12_scale_info *sci, const float *scf, float *dst) +{ + int i, k; + memcpy(dst + 576 + sci->stereo_bands*18, dst + sci->stereo_bands*18, (sci->total_bands - sci->stereo_bands)*18*sizeof(float)); + for (i = 0; i < sci->total_bands; i++, dst += 18, scf += 6) + { + for (k = 0; k < 12; k++) + { + dst[k + 0] *= scf[0]; + dst[k + 576] *= scf[3]; + } + } +} +#endif /* MINIMP3_ONLY_MP3 */ + +static int L3_read_side_info(bs_t *bs, L3_gr_info_t *gr, const uint8_t *hdr) +{ + static const uint8_t g_scf_long[8][23] = { + { 6,6,6,6,6,6,8,10,12,14,16,20,24,28,32,38,46,52,60,68,58,54,0 }, + { 12,12,12,12,12,12,16,20,24,28,32,40,48,56,64,76,90,2,2,2,2,2,0 }, + { 6,6,6,6,6,6,8,10,12,14,16,20,24,28,32,38,46,52,60,68,58,54,0 }, + { 6,6,6,6,6,6,8,10,12,14,16,18,22,26,32,38,46,54,62,70,76,36,0 }, + { 6,6,6,6,6,6,8,10,12,14,16,20,24,28,32,38,46,52,60,68,58,54,0 }, + { 4,4,4,4,4,4,6,6,8,8,10,12,16,20,24,28,34,42,50,54,76,158,0 }, + { 4,4,4,4,4,4,6,6,6,8,10,12,16,18,22,28,34,40,46,54,54,192,0 }, + { 4,4,4,4,4,4,6,6,8,10,12,16,20,24,30,38,46,56,68,84,102,26,0 } + }; + static const uint8_t g_scf_short[8][40] = { + { 4,4,4,4,4,4,4,4,4,6,6,6,8,8,8,10,10,10,12,12,12,14,14,14,18,18,18,24,24,24,30,30,30,40,40,40,18,18,18,0 }, + { 8,8,8,8,8,8,8,8,8,12,12,12,16,16,16,20,20,20,24,24,24,28,28,28,36,36,36,2,2,2,2,2,2,2,2,2,26,26,26,0 }, + { 4,4,4,4,4,4,4,4,4,6,6,6,6,6,6,8,8,8,10,10,10,14,14,14,18,18,18,26,26,26,32,32,32,42,42,42,18,18,18,0 }, + { 4,4,4,4,4,4,4,4,4,6,6,6,8,8,8,10,10,10,12,12,12,14,14,14,18,18,18,24,24,24,32,32,32,44,44,44,12,12,12,0 }, + { 4,4,4,4,4,4,4,4,4,6,6,6,8,8,8,10,10,10,12,12,12,14,14,14,18,18,18,24,24,24,30,30,30,40,40,40,18,18,18,0 }, + { 4,4,4,4,4,4,4,4,4,4,4,4,6,6,6,8,8,8,10,10,10,12,12,12,14,14,14,18,18,18,22,22,22,30,30,30,56,56,56,0 }, + { 4,4,4,4,4,4,4,4,4,4,4,4,6,6,6,6,6,6,10,10,10,12,12,12,14,14,14,16,16,16,20,20,20,26,26,26,66,66,66,0 }, + { 4,4,4,4,4,4,4,4,4,4,4,4,6,6,6,8,8,8,12,12,12,16,16,16,20,20,20,26,26,26,34,34,34,42,42,42,12,12,12,0 } + }; + static const uint8_t g_scf_mixed[8][40] = { + { 6,6,6,6,6,6,6,6,6,8,8,8,10,10,10,12,12,12,14,14,14,18,18,18,24,24,24,30,30,30,40,40,40,18,18,18,0 }, + { 12,12,12,4,4,4,8,8,8,12,12,12,16,16,16,20,20,20,24,24,24,28,28,28,36,36,36,2,2,2,2,2,2,2,2,2,26,26,26,0 }, + { 6,6,6,6,6,6,6,6,6,6,6,6,8,8,8,10,10,10,14,14,14,18,18,18,26,26,26,32,32,32,42,42,42,18,18,18,0 }, + { 6,6,6,6,6,6,6,6,6,8,8,8,10,10,10,12,12,12,14,14,14,18,18,18,24,24,24,32,32,32,44,44,44,12,12,12,0 }, + { 6,6,6,6,6,6,6,6,6,8,8,8,10,10,10,12,12,12,14,14,14,18,18,18,24,24,24,30,30,30,40,40,40,18,18,18,0 }, + { 4,4,4,4,4,4,6,6,4,4,4,6,6,6,8,8,8,10,10,10,12,12,12,14,14,14,18,18,18,22,22,22,30,30,30,56,56,56,0 }, + { 4,4,4,4,4,4,6,6,4,4,4,6,6,6,6,6,6,10,10,10,12,12,12,14,14,14,16,16,16,20,20,20,26,26,26,66,66,66,0 }, + { 4,4,4,4,4,4,6,6,4,4,4,6,6,6,8,8,8,12,12,12,16,16,16,20,20,20,26,26,26,34,34,34,42,42,42,12,12,12,0 } + }; + + unsigned tables, scfsi = 0; + int main_data_begin, part_23_sum = 0; + int sr_idx = HDR_GET_MY_SAMPLE_RATE(hdr); sr_idx -= (sr_idx != 0); + int gr_count = HDR_IS_MONO(hdr) ? 1 : 2; + + if (HDR_TEST_MPEG1(hdr)) + { + gr_count *= 2; + main_data_begin = get_bits(bs, 9); + scfsi = get_bits(bs, 7 + gr_count); + } else + { + main_data_begin = get_bits(bs, 8 + gr_count) >> gr_count; + } + + do + { + if (HDR_IS_MONO(hdr)) + { + scfsi <<= 4; + } + gr->part_23_length = (uint16_t)get_bits(bs, 12); + part_23_sum += gr->part_23_length; + gr->big_values = (uint16_t)get_bits(bs, 9); + if (gr->big_values > 288) + { + return -1; + } + gr->global_gain = (uint8_t)get_bits(bs, 8); + gr->scalefac_compress = (uint16_t)get_bits(bs, HDR_TEST_MPEG1(hdr) ? 4 : 9); + gr->sfbtab = g_scf_long[sr_idx]; + gr->n_long_sfb = 22; + gr->n_short_sfb = 0; + if (get_bits(bs, 1)) + { + gr->block_type = (uint8_t)get_bits(bs, 2); + if (!gr->block_type) + { + return -1; + } + gr->mixed_block_flag = (uint8_t)get_bits(bs, 1); + gr->region_count[0] = 7; + gr->region_count[1] = 255; + if (gr->block_type == SHORT_BLOCK_TYPE) + { + scfsi &= 0x0F0F; + if (!gr->mixed_block_flag) + { + gr->region_count[0] = 8; + gr->sfbtab = g_scf_short[sr_idx]; + gr->n_long_sfb = 0; + gr->n_short_sfb = 39; + } else + { + gr->sfbtab = g_scf_mixed[sr_idx]; + gr->n_long_sfb = HDR_TEST_MPEG1(hdr) ? 8 : 6; + gr->n_short_sfb = 30; + } + } + tables = get_bits(bs, 10); + tables <<= 5; + gr->subblock_gain[0] = (uint8_t)get_bits(bs, 3); + gr->subblock_gain[1] = (uint8_t)get_bits(bs, 3); + gr->subblock_gain[2] = (uint8_t)get_bits(bs, 3); + } else + { + gr->block_type = 0; + gr->mixed_block_flag = 0; + tables = get_bits(bs, 15); + gr->region_count[0] = (uint8_t)get_bits(bs, 4); + gr->region_count[1] = (uint8_t)get_bits(bs, 3); + gr->region_count[2] = 255; + } + gr->table_select[0] = (uint8_t)(tables >> 10); + gr->table_select[1] = (uint8_t)((tables >> 5) & 31); + gr->table_select[2] = (uint8_t)((tables) & 31); + gr->preflag = HDR_TEST_MPEG1(hdr) ? get_bits(bs, 1) : (gr->scalefac_compress >= 500); + gr->scalefac_scale = (uint8_t)get_bits(bs, 1); + gr->count1_table = (uint8_t)get_bits(bs, 1); + gr->scfsi = (uint8_t)((scfsi >> 12) & 15); + scfsi <<= 4; + gr++; + } while(--gr_count); + + if (part_23_sum + bs->pos > bs->limit + main_data_begin*8) + { + return -1; + } + + return main_data_begin; +} + +static void L3_read_scalefactors(uint8_t *scf, uint8_t *ist_pos, const uint8_t *scf_size, const uint8_t *scf_count, bs_t *bitbuf, int scfsi) +{ + int i, k; + for (i = 0; i < 4 && scf_count[i]; i++, scfsi *= 2) + { + int cnt = scf_count[i]; + if (scfsi & 8) + { + memcpy(scf, ist_pos, cnt); + } else + { + int bits = scf_size[i]; + if (!bits) + { + memset(scf, 0, cnt); + memset(ist_pos, 0, cnt); + } else + { + int max_scf = (scfsi < 0) ? (1 << bits) - 1 : -1; + for (k = 0; k < cnt; k++) + { + int s = get_bits(bitbuf, bits); + ist_pos[k] = (s == max_scf ? -1 : s); + scf[k] = s; + } + } + } + ist_pos += cnt; + scf += cnt; + } + scf[0] = scf[1] = scf[2] = 0; +} + +static float L3_ldexp_q2(float y, int exp_q2) +{ + static const float g_expfrac[4] = { 9.31322575e-10f,7.83145814e-10f,6.58544508e-10f,5.53767716e-10f }; + int e; + do + { + e = MINIMP3_MIN(30*4, exp_q2); + y *= g_expfrac[e & 3]*(1 << 30 >> (e >> 2)); + } while ((exp_q2 -= e) > 0); + return y; +} + +static void L3_decode_scalefactors(const uint8_t *hdr, uint8_t *ist_pos, bs_t *bs, const L3_gr_info_t *gr, float *scf, int ch) +{ + static const uint8_t g_scf_partitions[3][28] = { + { 6,5,5, 5,6,5,5,5,6,5, 7,3,11,10,0,0, 7, 7, 7,0, 6, 6,6,3, 8, 8,5,0 }, + { 8,9,6,12,6,9,9,9,6,9,12,6,15,18,0,0, 6,15,12,0, 6,12,9,6, 6,18,9,0 }, + { 9,9,6,12,9,9,9,9,9,9,12,6,18,18,0,0,12,12,12,0,12, 9,9,6,15,12,9,0 } + }; + const uint8_t *scf_partition = g_scf_partitions[!!gr->n_short_sfb + !gr->n_long_sfb]; + uint8_t scf_size[4], iscf[40]; + int i, scf_shift = gr->scalefac_scale + 1, gain_exp, scfsi = gr->scfsi; + float gain; + + if (HDR_TEST_MPEG1(hdr)) + { + static const uint8_t g_scfc_decode[16] = { 0,1,2,3, 12,5,6,7, 9,10,11,13, 14,15,18,19 }; + int part = g_scfc_decode[gr->scalefac_compress]; + scf_size[1] = scf_size[0] = (uint8_t)(part >> 2); + scf_size[3] = scf_size[2] = (uint8_t)(part & 3); + } else + { + static const uint8_t g_mod[6*4] = { 5,5,4,4,5,5,4,1,4,3,1,1,5,6,6,1,4,4,4,1,4,3,1,1 }; + int k, modprod, sfc, ist = HDR_TEST_I_STEREO(hdr) && ch; + sfc = gr->scalefac_compress >> ist; + for (k = ist*3*4; sfc >= 0; sfc -= modprod, k += 4) + { + for (modprod = 1, i = 3; i >= 0; i--) + { + scf_size[i] = (uint8_t)(sfc / modprod % g_mod[k + i]); + modprod *= g_mod[k + i]; + } + } + scf_partition += k; + scfsi = -16; + } + L3_read_scalefactors(iscf, ist_pos, scf_size, scf_partition, bs, scfsi); + + if (gr->n_short_sfb) + { + int sh = 3 - scf_shift; + for (i = 0; i < gr->n_short_sfb; i += 3) + { + iscf[gr->n_long_sfb + i + 0] += gr->subblock_gain[0] << sh; + iscf[gr->n_long_sfb + i + 1] += gr->subblock_gain[1] << sh; + iscf[gr->n_long_sfb + i + 2] += gr->subblock_gain[2] << sh; + } + } else if (gr->preflag) + { + static const uint8_t g_preamp[10] = { 1,1,1,1,2,2,3,3,3,2 }; + for (i = 0; i < 10; i++) + { + iscf[11 + i] += g_preamp[i]; + } + } + + gain_exp = gr->global_gain + BITS_DEQUANTIZER_OUT*4 - 210 - (HDR_IS_MS_STEREO(hdr) ? 2 : 0); + gain = L3_ldexp_q2(1 << (MAX_SCFI/4), MAX_SCFI - gain_exp); + for (i = 0; i < (int)(gr->n_long_sfb + gr->n_short_sfb); i++) + { + scf[i] = L3_ldexp_q2(gain, iscf[i] << scf_shift); + } +} + +static const float g_pow43[129 + 16] = { + 0,-1,-2.519842f,-4.326749f,-6.349604f,-8.549880f,-10.902724f,-13.390518f,-16.000000f,-18.720754f,-21.544347f,-24.463781f,-27.473142f,-30.567351f,-33.741992f,-36.993181f, + 0,1,2.519842f,4.326749f,6.349604f,8.549880f,10.902724f,13.390518f,16.000000f,18.720754f,21.544347f,24.463781f,27.473142f,30.567351f,33.741992f,36.993181f,40.317474f,43.711787f,47.173345f,50.699631f,54.288352f,57.937408f,61.644865f,65.408941f,69.227979f,73.100443f,77.024898f,81.000000f,85.024491f,89.097188f,93.216975f,97.382800f,101.593667f,105.848633f,110.146801f,114.487321f,118.869381f,123.292209f,127.755065f,132.257246f,136.798076f,141.376907f,145.993119f,150.646117f,155.335327f,160.060199f,164.820202f,169.614826f,174.443577f,179.305980f,184.201575f,189.129918f,194.090580f,199.083145f,204.107210f,209.162385f,214.248292f,219.364564f,224.510845f,229.686789f,234.892058f,240.126328f,245.389280f,250.680604f,256.000000f,261.347174f,266.721841f,272.123723f,277.552547f,283.008049f,288.489971f,293.998060f,299.532071f,305.091761f,310.676898f,316.287249f,321.922592f,327.582707f,333.267377f,338.976394f,344.709550f,350.466646f,356.247482f,362.051866f,367.879608f,373.730522f,379.604427f,385.501143f,391.420496f,397.362314f,403.326427f,409.312672f,415.320884f,421.350905f,427.402579f,433.475750f,439.570269f,445.685987f,451.822757f,457.980436f,464.158883f,470.357960f,476.577530f,482.817459f,489.077615f,495.357868f,501.658090f,507.978156f,514.317941f,520.677324f,527.056184f,533.454404f,539.871867f,546.308458f,552.764065f,559.238575f,565.731879f,572.243870f,578.774440f,585.323483f,591.890898f,598.476581f,605.080431f,611.702349f,618.342238f,625.000000f,631.675540f,638.368763f,645.079578f +}; + +static float L3_pow_43(int x) +{ + float frac; + int sign, mult = 256; + + if (x < 129) + { + return g_pow43[16 + x]; + } + + if (x < 1024) + { + mult = 16; + x <<= 3; + } + + sign = 2*x & 64; + frac = (float)((x & 63) - sign) / ((x & ~63) + sign); + return g_pow43[16 + ((x + sign) >> 6)]*(1.f + frac*((4.f/3) + frac*(2.f/9)))*mult; +} + +static void L3_huffman(float *dst, bs_t *bs, const L3_gr_info_t *gr_info, const float *scf, int layer3gr_limit) +{ + static const int16_t tabs[] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 785,785,785,785,784,784,784,784,513,513,513,513,513,513,513,513,256,256,256,256,256,256,256,256,256,256,256,256,256,256,256,256, + -255,1313,1298,1282,785,785,785,785,784,784,784,784,769,769,769,769,256,256,256,256,256,256,256,256,256,256,256,256,256,256,256,256,290,288, + -255,1313,1298,1282,769,769,769,769,529,529,529,529,529,529,529,529,528,528,528,528,528,528,528,528,512,512,512,512,512,512,512,512,290,288, + -253,-318,-351,-367,785,785,785,785,784,784,784,784,769,769,769,769,256,256,256,256,256,256,256,256,256,256,256,256,256,256,256,256,819,818,547,547,275,275,275,275,561,560,515,546,289,274,288,258, + -254,-287,1329,1299,1314,1312,1057,1057,1042,1042,1026,1026,784,784,784,784,529,529,529,529,529,529,529,529,769,769,769,769,768,768,768,768,563,560,306,306,291,259, + -252,-413,-477,-542,1298,-575,1041,1041,784,784,784,784,769,769,769,769,256,256,256,256,256,256,256,256,256,256,256,256,256,256,256,256,-383,-399,1107,1092,1106,1061,849,849,789,789,1104,1091,773,773,1076,1075,341,340,325,309,834,804,577,577,532,532,516,516,832,818,803,816,561,561,531,531,515,546,289,289,288,258, + -252,-429,-493,-559,1057,1057,1042,1042,529,529,529,529,529,529,529,529,784,784,784,784,769,769,769,769,512,512,512,512,512,512,512,512,-382,1077,-415,1106,1061,1104,849,849,789,789,1091,1076,1029,1075,834,834,597,581,340,340,339,324,804,833,532,532,832,772,818,803,817,787,816,771,290,290,290,290,288,258, + -253,-349,-414,-447,-463,1329,1299,-479,1314,1312,1057,1057,1042,1042,1026,1026,785,785,785,785,784,784,784,784,769,769,769,769,768,768,768,768,-319,851,821,-335,836,850,805,849,341,340,325,336,533,533,579,579,564,564,773,832,578,548,563,516,321,276,306,291,304,259, + -251,-572,-733,-830,-863,-879,1041,1041,784,784,784,784,769,769,769,769,256,256,256,256,256,256,256,256,256,256,256,256,256,256,256,256,-511,-527,-543,1396,1351,1381,1366,1395,1335,1380,-559,1334,1138,1138,1063,1063,1350,1392,1031,1031,1062,1062,1364,1363,1120,1120,1333,1348,881,881,881,881,375,374,359,373,343,358,341,325,791,791,1123,1122,-703,1105,1045,-719,865,865,790,790,774,774,1104,1029,338,293,323,308,-799,-815,833,788,772,818,803,816,322,292,307,320,561,531,515,546,289,274,288,258, + -251,-525,-605,-685,-765,-831,-846,1298,1057,1057,1312,1282,785,785,785,785,784,784,784,784,769,769,769,769,512,512,512,512,512,512,512,512,1399,1398,1383,1367,1382,1396,1351,-511,1381,1366,1139,1139,1079,1079,1124,1124,1364,1349,1363,1333,882,882,882,882,807,807,807,807,1094,1094,1136,1136,373,341,535,535,881,775,867,822,774,-591,324,338,-671,849,550,550,866,864,609,609,293,336,534,534,789,835,773,-751,834,804,308,307,833,788,832,772,562,562,547,547,305,275,560,515,290,290, + -252,-397,-477,-557,-622,-653,-719,-735,-750,1329,1299,1314,1057,1057,1042,1042,1312,1282,1024,1024,785,785,785,785,784,784,784,784,769,769,769,769,-383,1127,1141,1111,1126,1140,1095,1110,869,869,883,883,1079,1109,882,882,375,374,807,868,838,881,791,-463,867,822,368,263,852,837,836,-543,610,610,550,550,352,336,534,534,865,774,851,821,850,805,593,533,579,564,773,832,578,578,548,548,577,577,307,276,306,291,516,560,259,259, + -250,-2107,-2507,-2764,-2909,-2974,-3007,-3023,1041,1041,1040,1040,769,769,769,769,256,256,256,256,256,256,256,256,256,256,256,256,256,256,256,256,-767,-1052,-1213,-1277,-1358,-1405,-1469,-1535,-1550,-1582,-1614,-1647,-1662,-1694,-1726,-1759,-1774,-1807,-1822,-1854,-1886,1565,-1919,-1935,-1951,-1967,1731,1730,1580,1717,-1983,1729,1564,-1999,1548,-2015,-2031,1715,1595,-2047,1714,-2063,1610,-2079,1609,-2095,1323,1323,1457,1457,1307,1307,1712,1547,1641,1700,1699,1594,1685,1625,1442,1442,1322,1322,-780,-973,-910,1279,1278,1277,1262,1276,1261,1275,1215,1260,1229,-959,974,974,989,989,-943,735,478,478,495,463,506,414,-1039,1003,958,1017,927,942,987,957,431,476,1272,1167,1228,-1183,1256,-1199,895,895,941,941,1242,1227,1212,1135,1014,1014,490,489,503,487,910,1013,985,925,863,894,970,955,1012,847,-1343,831,755,755,984,909,428,366,754,559,-1391,752,486,457,924,997,698,698,983,893,740,740,908,877,739,739,667,667,953,938,497,287,271,271,683,606,590,712,726,574,302,302,738,736,481,286,526,725,605,711,636,724,696,651,589,681,666,710,364,467,573,695,466,466,301,465,379,379,709,604,665,679,316,316,634,633,436,436,464,269,424,394,452,332,438,363,347,408,393,448,331,422,362,407,392,421,346,406,391,376,375,359,1441,1306,-2367,1290,-2383,1337,-2399,-2415,1426,1321,-2431,1411,1336,-2447,-2463,-2479,1169,1169,1049,1049,1424,1289,1412,1352,1319,-2495,1154,1154,1064,1064,1153,1153,416,390,360,404,403,389,344,374,373,343,358,372,327,357,342,311,356,326,1395,1394,1137,1137,1047,1047,1365,1392,1287,1379,1334,1364,1349,1378,1318,1363,792,792,792,792,1152,1152,1032,1032,1121,1121,1046,1046,1120,1120,1030,1030,-2895,1106,1061,1104,849,849,789,789,1091,1076,1029,1090,1060,1075,833,833,309,324,532,532,832,772,818,803,561,561,531,560,515,546,289,274,288,258, + -250,-1179,-1579,-1836,-1996,-2124,-2253,-2333,-2413,-2477,-2542,-2574,-2607,-2622,-2655,1314,1313,1298,1312,1282,785,785,785,785,1040,1040,1025,1025,768,768,768,768,-766,-798,-830,-862,-895,-911,-927,-943,-959,-975,-991,-1007,-1023,-1039,-1055,-1070,1724,1647,-1103,-1119,1631,1767,1662,1738,1708,1723,-1135,1780,1615,1779,1599,1677,1646,1778,1583,-1151,1777,1567,1737,1692,1765,1722,1707,1630,1751,1661,1764,1614,1736,1676,1763,1750,1645,1598,1721,1691,1762,1706,1582,1761,1566,-1167,1749,1629,767,766,751,765,494,494,735,764,719,749,734,763,447,447,748,718,477,506,431,491,446,476,461,505,415,430,475,445,504,399,460,489,414,503,383,474,429,459,502,502,746,752,488,398,501,473,413,472,486,271,480,270,-1439,-1455,1357,-1471,-1487,-1503,1341,1325,-1519,1489,1463,1403,1309,-1535,1372,1448,1418,1476,1356,1462,1387,-1551,1475,1340,1447,1402,1386,-1567,1068,1068,1474,1461,455,380,468,440,395,425,410,454,364,467,466,464,453,269,409,448,268,432,1371,1473,1432,1417,1308,1460,1355,1446,1459,1431,1083,1083,1401,1416,1458,1445,1067,1067,1370,1457,1051,1051,1291,1430,1385,1444,1354,1415,1400,1443,1082,1082,1173,1113,1186,1066,1185,1050,-1967,1158,1128,1172,1097,1171,1081,-1983,1157,1112,416,266,375,400,1170,1142,1127,1065,793,793,1169,1033,1156,1096,1141,1111,1155,1080,1126,1140,898,898,808,808,897,897,792,792,1095,1152,1032,1125,1110,1139,1079,1124,882,807,838,881,853,791,-2319,867,368,263,822,852,837,866,806,865,-2399,851,352,262,534,534,821,836,594,594,549,549,593,593,533,533,848,773,579,579,564,578,548,563,276,276,577,576,306,291,516,560,305,305,275,259, + -251,-892,-2058,-2620,-2828,-2957,-3023,-3039,1041,1041,1040,1040,769,769,769,769,256,256,256,256,256,256,256,256,256,256,256,256,256,256,256,256,-511,-527,-543,-559,1530,-575,-591,1528,1527,1407,1526,1391,1023,1023,1023,1023,1525,1375,1268,1268,1103,1103,1087,1087,1039,1039,1523,-604,815,815,815,815,510,495,509,479,508,463,507,447,431,505,415,399,-734,-782,1262,-815,1259,1244,-831,1258,1228,-847,-863,1196,-879,1253,987,987,748,-767,493,493,462,477,414,414,686,669,478,446,461,445,474,429,487,458,412,471,1266,1264,1009,1009,799,799,-1019,-1276,-1452,-1581,-1677,-1757,-1821,-1886,-1933,-1997,1257,1257,1483,1468,1512,1422,1497,1406,1467,1496,1421,1510,1134,1134,1225,1225,1466,1451,1374,1405,1252,1252,1358,1480,1164,1164,1251,1251,1238,1238,1389,1465,-1407,1054,1101,-1423,1207,-1439,830,830,1248,1038,1237,1117,1223,1148,1236,1208,411,426,395,410,379,269,1193,1222,1132,1235,1221,1116,976,976,1192,1162,1177,1220,1131,1191,963,963,-1647,961,780,-1663,558,558,994,993,437,408,393,407,829,978,813,797,947,-1743,721,721,377,392,844,950,828,890,706,706,812,859,796,960,948,843,934,874,571,571,-1919,690,555,689,421,346,539,539,944,779,918,873,932,842,903,888,570,570,931,917,674,674,-2575,1562,-2591,1609,-2607,1654,1322,1322,1441,1441,1696,1546,1683,1593,1669,1624,1426,1426,1321,1321,1639,1680,1425,1425,1305,1305,1545,1668,1608,1623,1667,1592,1638,1666,1320,1320,1652,1607,1409,1409,1304,1304,1288,1288,1664,1637,1395,1395,1335,1335,1622,1636,1394,1394,1319,1319,1606,1621,1392,1392,1137,1137,1137,1137,345,390,360,375,404,373,1047,-2751,-2767,-2783,1062,1121,1046,-2799,1077,-2815,1106,1061,789,789,1105,1104,263,355,310,340,325,354,352,262,339,324,1091,1076,1029,1090,1060,1075,833,833,788,788,1088,1028,818,818,803,803,561,561,531,531,816,771,546,546,289,274,288,258, + -253,-317,-381,-446,-478,-509,1279,1279,-811,-1179,-1451,-1756,-1900,-2028,-2189,-2253,-2333,-2414,-2445,-2511,-2526,1313,1298,-2559,1041,1041,1040,1040,1025,1025,1024,1024,1022,1007,1021,991,1020,975,1019,959,687,687,1018,1017,671,671,655,655,1016,1015,639,639,758,758,623,623,757,607,756,591,755,575,754,559,543,543,1009,783,-575,-621,-685,-749,496,-590,750,749,734,748,974,989,1003,958,988,973,1002,942,987,957,972,1001,926,986,941,971,956,1000,910,985,925,999,894,970,-1071,-1087,-1102,1390,-1135,1436,1509,1451,1374,-1151,1405,1358,1480,1420,-1167,1507,1494,1389,1342,1465,1435,1450,1326,1505,1310,1493,1373,1479,1404,1492,1464,1419,428,443,472,397,736,526,464,464,486,457,442,471,484,482,1357,1449,1434,1478,1388,1491,1341,1490,1325,1489,1463,1403,1309,1477,1372,1448,1418,1433,1476,1356,1462,1387,-1439,1475,1340,1447,1402,1474,1324,1461,1371,1473,269,448,1432,1417,1308,1460,-1711,1459,-1727,1441,1099,1099,1446,1386,1431,1401,-1743,1289,1083,1083,1160,1160,1458,1445,1067,1067,1370,1457,1307,1430,1129,1129,1098,1098,268,432,267,416,266,400,-1887,1144,1187,1082,1173,1113,1186,1066,1050,1158,1128,1143,1172,1097,1171,1081,420,391,1157,1112,1170,1142,1127,1065,1169,1049,1156,1096,1141,1111,1155,1080,1126,1154,1064,1153,1140,1095,1048,-2159,1125,1110,1137,-2175,823,823,1139,1138,807,807,384,264,368,263,868,838,853,791,867,822,852,837,866,806,865,790,-2319,851,821,836,352,262,850,805,849,-2399,533,533,835,820,336,261,578,548,563,577,532,532,832,772,562,562,547,547,305,275,560,515,290,290,288,258 }; + static const uint8_t tab32[] = { 130,162,193,209,44,28,76,140,9,9,9,9,9,9,9,9,190,254,222,238,126,94,157,157,109,61,173,205 }; + static const uint8_t tab33[] = { 252,236,220,204,188,172,156,140,124,108,92,76,60,44,28,12 }; + static const int16_t tabindex[2*16] = { 0,32,64,98,0,132,180,218,292,364,426,538,648,746,0,1126,1460,1460,1460,1460,1460,1460,1460,1460,1842,1842,1842,1842,1842,1842,1842,1842 }; + static const uint8_t g_linbits[] = { 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,2,3,4,6,8,10,13,4,5,6,7,8,9,11,13 }; + +#define PEEK_BITS(n) (bs_cache >> (32 - n)) +#define FLUSH_BITS(n) { bs_cache <<= (n); bs_sh += (n); } +#define CHECK_BITS while (bs_sh >= 0) { bs_cache |= (uint32_t)*bs_next_ptr++ << bs_sh; bs_sh -= 8; } +#define BSPOS ((bs_next_ptr - bs->buf)*8 - 24 + bs_sh) + + float one = 0.0f; + int ireg = 0, big_val_cnt = gr_info->big_values; + const uint8_t *sfb = gr_info->sfbtab; + const uint8_t *bs_next_ptr = bs->buf + bs->pos/8; + uint32_t bs_cache = (((bs_next_ptr[0]*256u + bs_next_ptr[1])*256u + bs_next_ptr[2])*256u + bs_next_ptr[3]) << (bs->pos & 7); + int pairs_to_decode, np, bs_sh = (bs->pos & 7) - 8; + bs_next_ptr += 4; + + while (big_val_cnt > 0) + { + int tab_num = gr_info->table_select[ireg]; + int sfb_cnt = gr_info->region_count[ireg++]; + const int16_t *codebook = tabs + tabindex[tab_num]; + int linbits = g_linbits[tab_num]; + if (linbits) + { + do + { + np = *sfb++ / 2; + pairs_to_decode = MINIMP3_MIN(big_val_cnt, np); + one = *scf++; + do + { + int j, w = 5; + int leaf = codebook[PEEK_BITS(w)]; + while (leaf < 0) + { + FLUSH_BITS(w); + w = leaf & 7; + leaf = codebook[PEEK_BITS(w) - (leaf >> 3)]; + } + FLUSH_BITS(leaf >> 8); + + for (j = 0; j < 2; j++, dst++, leaf >>= 4) + { + int lsb = leaf & 0x0F; + if (lsb == 15) + { + lsb += PEEK_BITS(linbits); + FLUSH_BITS(linbits); + CHECK_BITS; + *dst = one*L3_pow_43(lsb)*((int32_t)bs_cache < 0 ? -1: 1); + } else + { + *dst = g_pow43[16 + lsb - 16*(bs_cache >> 31)]*one; + } + FLUSH_BITS(lsb ? 1 : 0); + } + CHECK_BITS; + } while (--pairs_to_decode); + } while ((big_val_cnt -= np) > 0 && --sfb_cnt >= 0); + } else + { + do + { + np = *sfb++ / 2; + pairs_to_decode = MINIMP3_MIN(big_val_cnt, np); + one = *scf++; + do + { + int j, w = 5; + int leaf = codebook[PEEK_BITS(w)]; + while (leaf < 0) + { + FLUSH_BITS(w); + w = leaf & 7; + leaf = codebook[PEEK_BITS(w) - (leaf >> 3)]; + } + FLUSH_BITS(leaf >> 8); + + for (j = 0; j < 2; j++, dst++, leaf >>= 4) + { + int lsb = leaf & 0x0F; + *dst = g_pow43[16 + lsb - 16*(bs_cache >> 31)]*one; + FLUSH_BITS(lsb ? 1 : 0); + } + CHECK_BITS; + } while (--pairs_to_decode); + } while ((big_val_cnt -= np) > 0 && --sfb_cnt >= 0); + } + } + + for (np = 1 - big_val_cnt;; dst += 4) + { + const uint8_t *codebook_count1 = (gr_info->count1_table) ? tab33 : tab32; + int leaf = codebook_count1[PEEK_BITS(4)]; + if (!(leaf & 8)) + { + leaf = codebook_count1[(leaf >> 3) + (bs_cache << 4 >> (32 - (leaf & 3)))]; + } + FLUSH_BITS(leaf & 7); + if (BSPOS > layer3gr_limit) + { + break; + } +#define RELOAD_SCALEFACTOR if (!--np) { np = *sfb++/2; if (!np) break; one = *scf++; } +#define DEQ_COUNT1(s) if (leaf & (128 >> s)) { dst[s] = ((int32_t)bs_cache < 0) ? -one : one; FLUSH_BITS(1) } + RELOAD_SCALEFACTOR; + DEQ_COUNT1(0); + DEQ_COUNT1(1); + RELOAD_SCALEFACTOR; + DEQ_COUNT1(2); + DEQ_COUNT1(3); + CHECK_BITS; + } + + bs->pos = layer3gr_limit; +} + +static void L3_midside_stereo(float *left, int n) +{ + int i = 0; + float *right = left + 576; +#if HAVE_SIMD + if (have_simd()) + { + for (; i < n - 3; i += 4) + { + f4 vl = VLD(left + i); + f4 vr = VLD(right + i); + VSTORE(left + i, VADD(vl, vr)); + VSTORE(right + i, VSUB(vl, vr)); + } +#ifdef __GNUC__ + /* Workaround for spurious -Waggressive-loop-optimizations warning from gcc. + * For more info see: https://github.com/lieff/minimp3/issues/88 + */ + if (__builtin_constant_p(n % 4 == 0) && n % 4 == 0) + return; +#endif + } +#endif /* HAVE_SIMD */ + for (; i < n; i++) + { + float a = left[i]; + float b = right[i]; + left[i] = a + b; + right[i] = a - b; + } +} + +static void L3_intensity_stereo_band(float *left, int n, float kl, float kr) +{ + int i; + for (i = 0; i < n; i++) + { + left[i + 576] = left[i]*kr; + left[i] = left[i]*kl; + } +} + +static void L3_stereo_top_band(const float *right, const uint8_t *sfb, int nbands, int max_band[3]) +{ + int i, k; + + max_band[0] = max_band[1] = max_band[2] = -1; + + for (i = 0; i < nbands; i++) + { + for (k = 0; k < sfb[i]; k += 2) + { + if (right[k] != 0 || right[k + 1] != 0) + { + max_band[i % 3] = i; + break; + } + } + right += sfb[i]; + } +} + +static void L3_stereo_process(float *left, const uint8_t *ist_pos, const uint8_t *sfb, const uint8_t *hdr, int max_band[3], int mpeg2_sh) +{ + static const float g_pan[7*2] = { 0,1,0.21132487f,0.78867513f,0.36602540f,0.63397460f,0.5f,0.5f,0.63397460f,0.36602540f,0.78867513f,0.21132487f,1,0 }; + unsigned i, max_pos = HDR_TEST_MPEG1(hdr) ? 7 : 64; + + for (i = 0; sfb[i]; i++) + { + unsigned ipos = ist_pos[i]; + if ((int)i > max_band[i % 3] && ipos < max_pos) + { + float kl, kr, s = HDR_TEST_MS_STEREO(hdr) ? 1.41421356f : 1; + if (HDR_TEST_MPEG1(hdr)) + { + kl = g_pan[2*ipos]; + kr = g_pan[2*ipos + 1]; + } else + { + kl = 1; + kr = L3_ldexp_q2(1, (ipos + 1) >> 1 << mpeg2_sh); + if (ipos & 1) + { + kl = kr; + kr = 1; + } + } + L3_intensity_stereo_band(left, sfb[i], kl*s, kr*s); + } else if (HDR_TEST_MS_STEREO(hdr)) + { + L3_midside_stereo(left, sfb[i]); + } + left += sfb[i]; + } +} + +static void L3_intensity_stereo(float *left, uint8_t *ist_pos, const L3_gr_info_t *gr, const uint8_t *hdr) +{ + int max_band[3], n_sfb = gr->n_long_sfb + gr->n_short_sfb; + int i, max_blocks = gr->n_short_sfb ? 3 : 1; + + L3_stereo_top_band(left + 576, gr->sfbtab, n_sfb, max_band); + if (gr->n_long_sfb) + { + max_band[0] = max_band[1] = max_band[2] = MINIMP3_MAX(MINIMP3_MAX(max_band[0], max_band[1]), max_band[2]); + } + for (i = 0; i < max_blocks; i++) + { + int default_pos = HDR_TEST_MPEG1(hdr) ? 3 : 0; + int itop = n_sfb - max_blocks + i; + int prev = itop - max_blocks; + ist_pos[itop] = max_band[i] >= prev ? default_pos : ist_pos[prev]; + } + L3_stereo_process(left, ist_pos, gr->sfbtab, hdr, max_band, gr[1].scalefac_compress & 1); +} + +static void L3_reorder(float *grbuf, float *scratch, const uint8_t *sfb) +{ + int i, len; + float *src = grbuf, *dst = scratch; + + for (;0 != (len = *sfb); sfb += 3, src += 2*len) + { + for (i = 0; i < len; i++, src++) + { + *dst++ = src[0*len]; + *dst++ = src[1*len]; + *dst++ = src[2*len]; + } + } + memcpy(grbuf, scratch, (dst - scratch)*sizeof(float)); +} + +static void L3_antialias(float *grbuf, int nbands) +{ + static const float g_aa[2][8] = { + {0.85749293f,0.88174200f,0.94962865f,0.98331459f,0.99551782f,0.99916056f,0.99989920f,0.99999316f}, + {0.51449576f,0.47173197f,0.31337745f,0.18191320f,0.09457419f,0.04096558f,0.01419856f,0.00369997f} + }; + + for (; nbands > 0; nbands--, grbuf += 18) + { + int i = 0; +#if HAVE_SIMD + if (have_simd()) for (; i < 8; i += 4) + { + f4 vu = VLD(grbuf + 18 + i); + f4 vd = VLD(grbuf + 14 - i); + f4 vc0 = VLD(g_aa[0] + i); + f4 vc1 = VLD(g_aa[1] + i); + vd = VREV(vd); + VSTORE(grbuf + 18 + i, VSUB(VMUL(vu, vc0), VMUL(vd, vc1))); + vd = VADD(VMUL(vu, vc1), VMUL(vd, vc0)); + VSTORE(grbuf + 14 - i, VREV(vd)); + } +#endif /* HAVE_SIMD */ +#ifndef MINIMP3_ONLY_SIMD + for(; i < 8; i++) + { + float u = grbuf[18 + i]; + float d = grbuf[17 - i]; + grbuf[18 + i] = u*g_aa[0][i] - d*g_aa[1][i]; + grbuf[17 - i] = u*g_aa[1][i] + d*g_aa[0][i]; + } +#endif /* MINIMP3_ONLY_SIMD */ + } +} + +static void L3_dct3_9(float *y) +{ + float s0, s1, s2, s3, s4, s5, s6, s7, s8, t0, t2, t4; + + s0 = y[0]; s2 = y[2]; s4 = y[4]; s6 = y[6]; s8 = y[8]; + t0 = s0 + s6*0.5f; + s0 -= s6; + t4 = (s4 + s2)*0.93969262f; + t2 = (s8 + s2)*0.76604444f; + s6 = (s4 - s8)*0.17364818f; + s4 += s8 - s2; + + s2 = s0 - s4*0.5f; + y[4] = s4 + s0; + s8 = t0 - t2 + s6; + s0 = t0 - t4 + t2; + s4 = t0 + t4 - s6; + + s1 = y[1]; s3 = y[3]; s5 = y[5]; s7 = y[7]; + + s3 *= 0.86602540f; + t0 = (s5 + s1)*0.98480775f; + t4 = (s5 - s7)*0.34202014f; + t2 = (s1 + s7)*0.64278761f; + s1 = (s1 - s5 - s7)*0.86602540f; + + s5 = t0 - s3 - t2; + s7 = t4 - s3 - t0; + s3 = t4 + s3 - t2; + + y[0] = s4 - s7; + y[1] = s2 + s1; + y[2] = s0 - s3; + y[3] = s8 + s5; + y[5] = s8 - s5; + y[6] = s0 + s3; + y[7] = s2 - s1; + y[8] = s4 + s7; +} + +static void L3_imdct36(float *grbuf, float *overlap, const float *window, int nbands) +{ + int i, j; + static const float g_twid9[18] = { + 0.73727734f,0.79335334f,0.84339145f,0.88701083f,0.92387953f,0.95371695f,0.97629601f,0.99144486f,0.99904822f,0.67559021f,0.60876143f,0.53729961f,0.46174861f,0.38268343f,0.30070580f,0.21643961f,0.13052619f,0.04361938f + }; + + for (j = 0; j < nbands; j++, grbuf += 18, overlap += 9) + { + float co[9], si[9]; + co[0] = -grbuf[0]; + si[0] = grbuf[17]; + for (i = 0; i < 4; i++) + { + si[8 - 2*i] = grbuf[4*i + 1] - grbuf[4*i + 2]; + co[1 + 2*i] = grbuf[4*i + 1] + grbuf[4*i + 2]; + si[7 - 2*i] = grbuf[4*i + 4] - grbuf[4*i + 3]; + co[2 + 2*i] = -(grbuf[4*i + 3] + grbuf[4*i + 4]); + } + L3_dct3_9(co); + L3_dct3_9(si); + + si[1] = -si[1]; + si[3] = -si[3]; + si[5] = -si[5]; + si[7] = -si[7]; + + i = 0; + +#if HAVE_SIMD + if (have_simd()) for (; i < 8; i += 4) + { + f4 vovl = VLD(overlap + i); + f4 vc = VLD(co + i); + f4 vs = VLD(si + i); + f4 vr0 = VLD(g_twid9 + i); + f4 vr1 = VLD(g_twid9 + 9 + i); + f4 vw0 = VLD(window + i); + f4 vw1 = VLD(window + 9 + i); + f4 vsum = VADD(VMUL(vc, vr1), VMUL(vs, vr0)); + VSTORE(overlap + i, VSUB(VMUL(vc, vr0), VMUL(vs, vr1))); + VSTORE(grbuf + i, VSUB(VMUL(vovl, vw0), VMUL(vsum, vw1))); + vsum = VADD(VMUL(vovl, vw1), VMUL(vsum, vw0)); + VSTORE(grbuf + 14 - i, VREV(vsum)); + } +#endif /* HAVE_SIMD */ + for (; i < 9; i++) + { + float ovl = overlap[i]; + float sum = co[i]*g_twid9[9 + i] + si[i]*g_twid9[0 + i]; + overlap[i] = co[i]*g_twid9[0 + i] - si[i]*g_twid9[9 + i]; + grbuf[i] = ovl*window[0 + i] - sum*window[9 + i]; + grbuf[17 - i] = ovl*window[9 + i] + sum*window[0 + i]; + } + } +} + +static void L3_idct3(float x0, float x1, float x2, float *dst) +{ + float m1 = x1*0.86602540f; + float a1 = x0 - x2*0.5f; + dst[1] = x0 + x2; + dst[0] = a1 + m1; + dst[2] = a1 - m1; +} + +static void L3_imdct12(float *x, float *dst, float *overlap) +{ + static const float g_twid3[6] = { 0.79335334f,0.92387953f,0.99144486f, 0.60876143f,0.38268343f,0.13052619f }; + float co[3], si[3]; + int i; + + L3_idct3(-x[0], x[6] + x[3], x[12] + x[9], co); + L3_idct3(x[15], x[12] - x[9], x[6] - x[3], si); + si[1] = -si[1]; + + for (i = 0; i < 3; i++) + { + float ovl = overlap[i]; + float sum = co[i]*g_twid3[3 + i] + si[i]*g_twid3[0 + i]; + overlap[i] = co[i]*g_twid3[0 + i] - si[i]*g_twid3[3 + i]; + dst[i] = ovl*g_twid3[2 - i] - sum*g_twid3[5 - i]; + dst[5 - i] = ovl*g_twid3[5 - i] + sum*g_twid3[2 - i]; + } +} + +static void L3_imdct_short(float *grbuf, float *overlap, int nbands) +{ + for (;nbands > 0; nbands--, overlap += 9, grbuf += 18) + { + float tmp[18]; + memcpy(tmp, grbuf, sizeof(tmp)); + memcpy(grbuf, overlap, 6*sizeof(float)); + L3_imdct12(tmp, grbuf + 6, overlap + 6); + L3_imdct12(tmp + 1, grbuf + 12, overlap + 6); + L3_imdct12(tmp + 2, overlap, overlap + 6); + } +} + +static void L3_change_sign(float *grbuf) +{ + int b, i; + for (b = 0, grbuf += 18; b < 32; b += 2, grbuf += 36) + for (i = 1; i < 18; i += 2) + grbuf[i] = -grbuf[i]; +} + +static void L3_imdct_gr(float *grbuf, float *overlap, unsigned block_type, unsigned n_long_bands) +{ + static const float g_mdct_window[2][18] = { + { 0.99904822f,0.99144486f,0.97629601f,0.95371695f,0.92387953f,0.88701083f,0.84339145f,0.79335334f,0.73727734f,0.04361938f,0.13052619f,0.21643961f,0.30070580f,0.38268343f,0.46174861f,0.53729961f,0.60876143f,0.67559021f }, + { 1,1,1,1,1,1,0.99144486f,0.92387953f,0.79335334f,0,0,0,0,0,0,0.13052619f,0.38268343f,0.60876143f } + }; + if (n_long_bands) + { + L3_imdct36(grbuf, overlap, g_mdct_window[0], n_long_bands); + grbuf += 18*n_long_bands; + overlap += 9*n_long_bands; + } + if (block_type == SHORT_BLOCK_TYPE) + L3_imdct_short(grbuf, overlap, 32 - n_long_bands); + else + L3_imdct36(grbuf, overlap, g_mdct_window[block_type == STOP_BLOCK_TYPE], 32 - n_long_bands); +} + +static void L3_save_reservoir(mp3dec_t *h, mp3dec_scratch_t *s) +{ + int pos = (s->bs.pos + 7)/8u; + int remains = s->bs.limit/8u - pos; + if (remains > MAX_BITRESERVOIR_BYTES) + { + pos += remains - MAX_BITRESERVOIR_BYTES; + remains = MAX_BITRESERVOIR_BYTES; + } + if (remains > 0) + { + memmove(h->reserv_buf, s->maindata + pos, remains); + } + h->reserv = remains; +} + +static int L3_restore_reservoir(mp3dec_t *h, bs_t *bs, mp3dec_scratch_t *s, int main_data_begin) +{ + int frame_bytes = (bs->limit - bs->pos)/8; + int bytes_have = MINIMP3_MIN(h->reserv, main_data_begin); + memcpy(s->maindata, h->reserv_buf + MINIMP3_MAX(0, h->reserv - main_data_begin), MINIMP3_MIN(h->reserv, main_data_begin)); + memcpy(s->maindata + bytes_have, bs->buf + bs->pos/8, frame_bytes); + bs_init(&s->bs, s->maindata, bytes_have + frame_bytes); + return h->reserv >= main_data_begin; +} + +static void L3_decode(mp3dec_t *h, mp3dec_scratch_t *s, L3_gr_info_t *gr_info, int nch) +{ + int ch; + + for (ch = 0; ch < nch; ch++) + { + int layer3gr_limit = s->bs.pos + gr_info[ch].part_23_length; + L3_decode_scalefactors(h->header, s->ist_pos[ch], &s->bs, gr_info + ch, s->scf, ch); + L3_huffman(s->grbuf[ch], &s->bs, gr_info + ch, s->scf, layer3gr_limit); + } + + if (HDR_TEST_I_STEREO(h->header)) + { + L3_intensity_stereo(s->grbuf[0], s->ist_pos[1], gr_info, h->header); + } else if (HDR_IS_MS_STEREO(h->header)) + { + L3_midside_stereo(s->grbuf[0], 576); + } + + for (ch = 0; ch < nch; ch++, gr_info++) + { + int aa_bands = 31; + int n_long_bands = (gr_info->mixed_block_flag ? 2 : 0) << (int)(HDR_GET_MY_SAMPLE_RATE(h->header) == 2); + + if (gr_info->n_short_sfb) + { + aa_bands = n_long_bands - 1; + L3_reorder(s->grbuf[ch] + n_long_bands*18, s->syn[0], gr_info->sfbtab + gr_info->n_long_sfb); + } + + L3_antialias(s->grbuf[ch], aa_bands); + L3_imdct_gr(s->grbuf[ch], h->mdct_overlap[ch], gr_info->block_type, n_long_bands); + L3_change_sign(s->grbuf[ch]); + } +} + +static void mp3d_DCT_II(float *grbuf, int n) +{ + static const float g_sec[24] = { + 10.19000816f,0.50060302f,0.50241929f,3.40760851f,0.50547093f,0.52249861f,2.05778098f,0.51544732f,0.56694406f,1.48416460f,0.53104258f,0.64682180f,1.16943991f,0.55310392f,0.78815460f,0.97256821f,0.58293498f,1.06067765f,0.83934963f,0.62250412f,1.72244716f,0.74453628f,0.67480832f,5.10114861f + }; + int i, k = 0; +#if HAVE_SIMD + if (have_simd()) for (; k < n; k += 4) + { + f4 t[4][8], *x; + float *y = grbuf + k; + + for (x = t[0], i = 0; i < 8; i++, x++) + { + f4 x0 = VLD(&y[i*18]); + f4 x1 = VLD(&y[(15 - i)*18]); + f4 x2 = VLD(&y[(16 + i)*18]); + f4 x3 = VLD(&y[(31 - i)*18]); + f4 t0 = VADD(x0, x3); + f4 t1 = VADD(x1, x2); + f4 t2 = VMUL_S(VSUB(x1, x2), g_sec[3*i + 0]); + f4 t3 = VMUL_S(VSUB(x0, x3), g_sec[3*i + 1]); + x[0] = VADD(t0, t1); + x[8] = VMUL_S(VSUB(t0, t1), g_sec[3*i + 2]); + x[16] = VADD(t3, t2); + x[24] = VMUL_S(VSUB(t3, t2), g_sec[3*i + 2]); + } + for (x = t[0], i = 0; i < 4; i++, x += 8) + { + f4 x0 = x[0], x1 = x[1], x2 = x[2], x3 = x[3], x4 = x[4], x5 = x[5], x6 = x[6], x7 = x[7], xt; + xt = VSUB(x0, x7); x0 = VADD(x0, x7); + x7 = VSUB(x1, x6); x1 = VADD(x1, x6); + x6 = VSUB(x2, x5); x2 = VADD(x2, x5); + x5 = VSUB(x3, x4); x3 = VADD(x3, x4); + x4 = VSUB(x0, x3); x0 = VADD(x0, x3); + x3 = VSUB(x1, x2); x1 = VADD(x1, x2); + x[0] = VADD(x0, x1); + x[4] = VMUL_S(VSUB(x0, x1), 0.70710677f); + x5 = VADD(x5, x6); + x6 = VMUL_S(VADD(x6, x7), 0.70710677f); + x7 = VADD(x7, xt); + x3 = VMUL_S(VADD(x3, x4), 0.70710677f); + x5 = VSUB(x5, VMUL_S(x7, 0.198912367f)); /* rotate by PI/8 */ + x7 = VADD(x7, VMUL_S(x5, 0.382683432f)); + x5 = VSUB(x5, VMUL_S(x7, 0.198912367f)); + x0 = VSUB(xt, x6); xt = VADD(xt, x6); + x[1] = VMUL_S(VADD(xt, x7), 0.50979561f); + x[2] = VMUL_S(VADD(x4, x3), 0.54119611f); + x[3] = VMUL_S(VSUB(x0, x5), 0.60134488f); + x[5] = VMUL_S(VADD(x0, x5), 0.89997619f); + x[6] = VMUL_S(VSUB(x4, x3), 1.30656302f); + x[7] = VMUL_S(VSUB(xt, x7), 2.56291556f); + } + + if (k > n - 3) + { +#if HAVE_SSE +#define VSAVE2(i, v) _mm_storel_pi((__m64 *)(void*)&y[i*18], v) +#else /* HAVE_SSE */ +#define VSAVE2(i, v) vst1_f32((float32_t *)&y[i*18], vget_low_f32(v)) +#endif /* HAVE_SSE */ + for (i = 0; i < 7; i++, y += 4*18) + { + f4 s = VADD(t[3][i], t[3][i + 1]); + VSAVE2(0, t[0][i]); + VSAVE2(1, VADD(t[2][i], s)); + VSAVE2(2, VADD(t[1][i], t[1][i + 1])); + VSAVE2(3, VADD(t[2][1 + i], s)); + } + VSAVE2(0, t[0][7]); + VSAVE2(1, VADD(t[2][7], t[3][7])); + VSAVE2(2, t[1][7]); + VSAVE2(3, t[3][7]); + } else + { +#define VSAVE4(i, v) VSTORE(&y[i*18], v) + for (i = 0; i < 7; i++, y += 4*18) + { + f4 s = VADD(t[3][i], t[3][i + 1]); + VSAVE4(0, t[0][i]); + VSAVE4(1, VADD(t[2][i], s)); + VSAVE4(2, VADD(t[1][i], t[1][i + 1])); + VSAVE4(3, VADD(t[2][1 + i], s)); + } + VSAVE4(0, t[0][7]); + VSAVE4(1, VADD(t[2][7], t[3][7])); + VSAVE4(2, t[1][7]); + VSAVE4(3, t[3][7]); + } + } else +#endif /* HAVE_SIMD */ +#ifdef MINIMP3_ONLY_SIMD + {} /* for HAVE_SIMD=1, MINIMP3_ONLY_SIMD=1 case we do not need non-intrinsic "else" branch */ +#else /* MINIMP3_ONLY_SIMD */ + for (; k < n; k++) + { + float t[4][8], *x, *y = grbuf + k; + + for (x = t[0], i = 0; i < 8; i++, x++) + { + float x0 = y[i*18]; + float x1 = y[(15 - i)*18]; + float x2 = y[(16 + i)*18]; + float x3 = y[(31 - i)*18]; + float t0 = x0 + x3; + float t1 = x1 + x2; + float t2 = (x1 - x2)*g_sec[3*i + 0]; + float t3 = (x0 - x3)*g_sec[3*i + 1]; + x[0] = t0 + t1; + x[8] = (t0 - t1)*g_sec[3*i + 2]; + x[16] = t3 + t2; + x[24] = (t3 - t2)*g_sec[3*i + 2]; + } + for (x = t[0], i = 0; i < 4; i++, x += 8) + { + float x0 = x[0], x1 = x[1], x2 = x[2], x3 = x[3], x4 = x[4], x5 = x[5], x6 = x[6], x7 = x[7], xt; + xt = x0 - x7; x0 += x7; + x7 = x1 - x6; x1 += x6; + x6 = x2 - x5; x2 += x5; + x5 = x3 - x4; x3 += x4; + x4 = x0 - x3; x0 += x3; + x3 = x1 - x2; x1 += x2; + x[0] = x0 + x1; + x[4] = (x0 - x1)*0.70710677f; + x5 = x5 + x6; + x6 = (x6 + x7)*0.70710677f; + x7 = x7 + xt; + x3 = (x3 + x4)*0.70710677f; + x5 -= x7*0.198912367f; /* rotate by PI/8 */ + x7 += x5*0.382683432f; + x5 -= x7*0.198912367f; + x0 = xt - x6; xt += x6; + x[1] = (xt + x7)*0.50979561f; + x[2] = (x4 + x3)*0.54119611f; + x[3] = (x0 - x5)*0.60134488f; + x[5] = (x0 + x5)*0.89997619f; + x[6] = (x4 - x3)*1.30656302f; + x[7] = (xt - x7)*2.56291556f; + + } + for (i = 0; i < 7; i++, y += 4*18) + { + y[0*18] = t[0][i]; + y[1*18] = t[2][i] + t[3][i] + t[3][i + 1]; + y[2*18] = t[1][i] + t[1][i + 1]; + y[3*18] = t[2][i + 1] + t[3][i] + t[3][i + 1]; + } + y[0*18] = t[0][7]; + y[1*18] = t[2][7] + t[3][7]; + y[2*18] = t[1][7]; + y[3*18] = t[3][7]; + } +#endif /* MINIMP3_ONLY_SIMD */ +} + +#ifndef MINIMP3_FLOAT_OUTPUT +static int16_t mp3d_scale_pcm(float sample) +{ +#if HAVE_ARMV6 + int32_t s32 = (int32_t)(sample + .5f); + s32 -= (s32 < 0); + int16_t s = (int16_t)minimp3_clip_int16_arm(s32); +#else + if (sample >= 32766.5) return (int16_t) 32767; + if (sample <= -32767.5) return (int16_t)-32768; + int16_t s = (int16_t)(sample + .5f); + s -= (s < 0); /* away from zero, to be compliant */ +#endif + return s; +} +#else /* MINIMP3_FLOAT_OUTPUT */ +static float mp3d_scale_pcm(float sample) +{ + return sample*(1.f/32768.f); +} +#endif /* MINIMP3_FLOAT_OUTPUT */ + +static void mp3d_synth_pair(mp3d_sample_t *pcm, int nch, const float *z) +{ + float a; + a = (z[14*64] - z[ 0]) * 29; + a += (z[ 1*64] + z[13*64]) * 213; + a += (z[12*64] - z[ 2*64]) * 459; + a += (z[ 3*64] + z[11*64]) * 2037; + a += (z[10*64] - z[ 4*64]) * 5153; + a += (z[ 5*64] + z[ 9*64]) * 6574; + a += (z[ 8*64] - z[ 6*64]) * 37489; + a += z[ 7*64] * 75038; + pcm[0] = mp3d_scale_pcm(a); + + z += 2; + a = z[14*64] * 104; + a += z[12*64] * 1567; + a += z[10*64] * 9727; + a += z[ 8*64] * 64019; + a += z[ 6*64] * -9975; + a += z[ 4*64] * -45; + a += z[ 2*64] * 146; + a += z[ 0*64] * -5; + pcm[16*nch] = mp3d_scale_pcm(a); +} + +static void mp3d_synth(float *xl, mp3d_sample_t *dstl, int nch, float *lins) +{ + int i; + float *xr = xl + 576*(nch - 1); + mp3d_sample_t *dstr = dstl + (nch - 1); + + static const float g_win[] = { + -1,26,-31,208,218,401,-519,2063,2000,4788,-5517,7134,5959,35640,-39336,74992, + -1,24,-35,202,222,347,-581,2080,1952,4425,-5879,7640,5288,33791,-41176,74856, + -1,21,-38,196,225,294,-645,2087,1893,4063,-6237,8092,4561,31947,-43006,74630, + -1,19,-41,190,227,244,-711,2085,1822,3705,-6589,8492,3776,30112,-44821,74313, + -1,17,-45,183,228,197,-779,2075,1739,3351,-6935,8840,2935,28289,-46617,73908, + -1,16,-49,176,228,153,-848,2057,1644,3004,-7271,9139,2037,26482,-48390,73415, + -2,14,-53,169,227,111,-919,2032,1535,2663,-7597,9389,1082,24694,-50137,72835, + -2,13,-58,161,224,72,-991,2001,1414,2330,-7910,9592,70,22929,-51853,72169, + -2,11,-63,154,221,36,-1064,1962,1280,2006,-8209,9750,-998,21189,-53534,71420, + -2,10,-68,147,215,2,-1137,1919,1131,1692,-8491,9863,-2122,19478,-55178,70590, + -3,9,-73,139,208,-29,-1210,1870,970,1388,-8755,9935,-3300,17799,-56778,69679, + -3,8,-79,132,200,-57,-1283,1817,794,1095,-8998,9966,-4533,16155,-58333,68692, + -4,7,-85,125,189,-83,-1356,1759,605,814,-9219,9959,-5818,14548,-59838,67629, + -4,7,-91,117,177,-106,-1428,1698,402,545,-9416,9916,-7154,12980,-61289,66494, + -5,6,-97,111,163,-127,-1498,1634,185,288,-9585,9838,-8540,11455,-62684,65290 + }; + float *zlin = lins + 15*64; + const float *w = g_win; + + zlin[4*15] = xl[18*16]; + zlin[4*15 + 1] = xr[18*16]; + zlin[4*15 + 2] = xl[0]; + zlin[4*15 + 3] = xr[0]; + + zlin[4*31] = xl[1 + 18*16]; + zlin[4*31 + 1] = xr[1 + 18*16]; + zlin[4*31 + 2] = xl[1]; + zlin[4*31 + 3] = xr[1]; + + mp3d_synth_pair(dstr, nch, lins + 4*15 + 1); + mp3d_synth_pair(dstr + 32*nch, nch, lins + 4*15 + 64 + 1); + mp3d_synth_pair(dstl, nch, lins + 4*15); + mp3d_synth_pair(dstl + 32*nch, nch, lins + 4*15 + 64); + +#if HAVE_SIMD + if (have_simd()) for (i = 14; i >= 0; i--) + { +#define VLOAD(k) f4 w0 = VSET(*w++); f4 w1 = VSET(*w++); f4 vz = VLD(&zlin[4*i - 64*k]); f4 vy = VLD(&zlin[4*i - 64*(15 - k)]); +#define V0(k) { VLOAD(k) b = VADD(VMUL(vz, w1), VMUL(vy, w0)) ; a = VSUB(VMUL(vz, w0), VMUL(vy, w1)); } +#define V1(k) { VLOAD(k) b = VADD(b, VADD(VMUL(vz, w1), VMUL(vy, w0))); a = VADD(a, VSUB(VMUL(vz, w0), VMUL(vy, w1))); } +#define V2(k) { VLOAD(k) b = VADD(b, VADD(VMUL(vz, w1), VMUL(vy, w0))); a = VADD(a, VSUB(VMUL(vy, w1), VMUL(vz, w0))); } + f4 a, b; + zlin[4*i] = xl[18*(31 - i)]; + zlin[4*i + 1] = xr[18*(31 - i)]; + zlin[4*i + 2] = xl[1 + 18*(31 - i)]; + zlin[4*i + 3] = xr[1 + 18*(31 - i)]; + zlin[4*i + 64] = xl[1 + 18*(1 + i)]; + zlin[4*i + 64 + 1] = xr[1 + 18*(1 + i)]; + zlin[4*i - 64 + 2] = xl[18*(1 + i)]; + zlin[4*i - 64 + 3] = xr[18*(1 + i)]; + + V0(0) V2(1) V1(2) V2(3) V1(4) V2(5) V1(6) V2(7) + + { +#ifndef MINIMP3_FLOAT_OUTPUT +#if HAVE_SSE + static const f4 g_max = { 32767.0f, 32767.0f, 32767.0f, 32767.0f }; + static const f4 g_min = { -32768.0f, -32768.0f, -32768.0f, -32768.0f }; + __m128i pcm8 = _mm_packs_epi32(_mm_cvtps_epi32(_mm_max_ps(_mm_min_ps(a, g_max), g_min)), + _mm_cvtps_epi32(_mm_max_ps(_mm_min_ps(b, g_max), g_min))); + dstr[(15 - i)*nch] = _mm_extract_epi16(pcm8, 1); + dstr[(17 + i)*nch] = _mm_extract_epi16(pcm8, 5); + dstl[(15 - i)*nch] = _mm_extract_epi16(pcm8, 0); + dstl[(17 + i)*nch] = _mm_extract_epi16(pcm8, 4); + dstr[(47 - i)*nch] = _mm_extract_epi16(pcm8, 3); + dstr[(49 + i)*nch] = _mm_extract_epi16(pcm8, 7); + dstl[(47 - i)*nch] = _mm_extract_epi16(pcm8, 2); + dstl[(49 + i)*nch] = _mm_extract_epi16(pcm8, 6); +#else /* HAVE_SSE */ + int16x4_t pcma, pcmb; + a = VADD(a, VSET(0.5f)); + b = VADD(b, VSET(0.5f)); + pcma = vqmovn_s32(vqaddq_s32(vcvtq_s32_f32(a), vreinterpretq_s32_u32(vcltq_f32(a, VSET(0))))); + pcmb = vqmovn_s32(vqaddq_s32(vcvtq_s32_f32(b), vreinterpretq_s32_u32(vcltq_f32(b, VSET(0))))); + vst1_lane_s16(dstr + (15 - i)*nch, pcma, 1); + vst1_lane_s16(dstr + (17 + i)*nch, pcmb, 1); + vst1_lane_s16(dstl + (15 - i)*nch, pcma, 0); + vst1_lane_s16(dstl + (17 + i)*nch, pcmb, 0); + vst1_lane_s16(dstr + (47 - i)*nch, pcma, 3); + vst1_lane_s16(dstr + (49 + i)*nch, pcmb, 3); + vst1_lane_s16(dstl + (47 - i)*nch, pcma, 2); + vst1_lane_s16(dstl + (49 + i)*nch, pcmb, 2); +#endif /* HAVE_SSE */ + +#else /* MINIMP3_FLOAT_OUTPUT */ + + static const f4 g_scale = { 1.0f/32768.0f, 1.0f/32768.0f, 1.0f/32768.0f, 1.0f/32768.0f }; + a = VMUL(a, g_scale); + b = VMUL(b, g_scale); +#if HAVE_SSE + _mm_store_ss(dstr + (15 - i)*nch, _mm_shuffle_ps(a, a, _MM_SHUFFLE(1, 1, 1, 1))); + _mm_store_ss(dstr + (17 + i)*nch, _mm_shuffle_ps(b, b, _MM_SHUFFLE(1, 1, 1, 1))); + _mm_store_ss(dstl + (15 - i)*nch, _mm_shuffle_ps(a, a, _MM_SHUFFLE(0, 0, 0, 0))); + _mm_store_ss(dstl + (17 + i)*nch, _mm_shuffle_ps(b, b, _MM_SHUFFLE(0, 0, 0, 0))); + _mm_store_ss(dstr + (47 - i)*nch, _mm_shuffle_ps(a, a, _MM_SHUFFLE(3, 3, 3, 3))); + _mm_store_ss(dstr + (49 + i)*nch, _mm_shuffle_ps(b, b, _MM_SHUFFLE(3, 3, 3, 3))); + _mm_store_ss(dstl + (47 - i)*nch, _mm_shuffle_ps(a, a, _MM_SHUFFLE(2, 2, 2, 2))); + _mm_store_ss(dstl + (49 + i)*nch, _mm_shuffle_ps(b, b, _MM_SHUFFLE(2, 2, 2, 2))); +#else /* HAVE_SSE */ + vst1q_lane_f32(dstr + (15 - i)*nch, a, 1); + vst1q_lane_f32(dstr + (17 + i)*nch, b, 1); + vst1q_lane_f32(dstl + (15 - i)*nch, a, 0); + vst1q_lane_f32(dstl + (17 + i)*nch, b, 0); + vst1q_lane_f32(dstr + (47 - i)*nch, a, 3); + vst1q_lane_f32(dstr + (49 + i)*nch, b, 3); + vst1q_lane_f32(dstl + (47 - i)*nch, a, 2); + vst1q_lane_f32(dstl + (49 + i)*nch, b, 2); +#endif /* HAVE_SSE */ +#endif /* MINIMP3_FLOAT_OUTPUT */ + } + } else +#endif /* HAVE_SIMD */ +#ifdef MINIMP3_ONLY_SIMD + {} /* for HAVE_SIMD=1, MINIMP3_ONLY_SIMD=1 case we do not need non-intrinsic "else" branch */ +#else /* MINIMP3_ONLY_SIMD */ + for (i = 14; i >= 0; i--) + { +#define LOAD(k) float w0 = *w++; float w1 = *w++; float *vz = &zlin[4*i - k*64]; float *vy = &zlin[4*i - (15 - k)*64]; +#define S0(k) { int j; LOAD(k); for (j = 0; j < 4; j++) b[j] = vz[j]*w1 + vy[j]*w0, a[j] = vz[j]*w0 - vy[j]*w1; } +#define S1(k) { int j; LOAD(k); for (j = 0; j < 4; j++) b[j] += vz[j]*w1 + vy[j]*w0, a[j] += vz[j]*w0 - vy[j]*w1; } +#define S2(k) { int j; LOAD(k); for (j = 0; j < 4; j++) b[j] += vz[j]*w1 + vy[j]*w0, a[j] += vy[j]*w1 - vz[j]*w0; } + float a[4], b[4]; + + zlin[4*i] = xl[18*(31 - i)]; + zlin[4*i + 1] = xr[18*(31 - i)]; + zlin[4*i + 2] = xl[1 + 18*(31 - i)]; + zlin[4*i + 3] = xr[1 + 18*(31 - i)]; + zlin[4*(i + 16)] = xl[1 + 18*(1 + i)]; + zlin[4*(i + 16) + 1] = xr[1 + 18*(1 + i)]; + zlin[4*(i - 16) + 2] = xl[18*(1 + i)]; + zlin[4*(i - 16) + 3] = xr[18*(1 + i)]; + + S0(0) S2(1) S1(2) S2(3) S1(4) S2(5) S1(6) S2(7) + + dstr[(15 - i)*nch] = mp3d_scale_pcm(a[1]); + dstr[(17 + i)*nch] = mp3d_scale_pcm(b[1]); + dstl[(15 - i)*nch] = mp3d_scale_pcm(a[0]); + dstl[(17 + i)*nch] = mp3d_scale_pcm(b[0]); + dstr[(47 - i)*nch] = mp3d_scale_pcm(a[3]); + dstr[(49 + i)*nch] = mp3d_scale_pcm(b[3]); + dstl[(47 - i)*nch] = mp3d_scale_pcm(a[2]); + dstl[(49 + i)*nch] = mp3d_scale_pcm(b[2]); + } +#endif /* MINIMP3_ONLY_SIMD */ +} + +static void mp3d_synth_granule(float *qmf_state, float *grbuf, int nbands, int nch, mp3d_sample_t *pcm, float *lins) +{ + int i; + for (i = 0; i < nch; i++) + { + mp3d_DCT_II(grbuf + 576*i, nbands); + } + + memcpy(lins, qmf_state, sizeof(float)*15*64); + + for (i = 0; i < nbands; i += 2) + { + mp3d_synth(grbuf + i, pcm + 32*nch*i, nch, lins + i*64); + } +#ifndef MINIMP3_NONSTANDARD_BUT_LOGICAL + if (nch == 1) + { + for (i = 0; i < 15*64; i += 2) + { + qmf_state[i] = lins[nbands*64 + i]; + } + } else +#endif /* MINIMP3_NONSTANDARD_BUT_LOGICAL */ + { + memcpy(qmf_state, lins + nbands*64, sizeof(float)*15*64); + } +} + +static int mp3d_match_frame(const uint8_t *hdr, int mp3_bytes, int frame_bytes) +{ + int i, nmatch; + for (i = 0, nmatch = 0; nmatch < MAX_FRAME_SYNC_MATCHES; nmatch++) + { + i += hdr_frame_bytes(hdr + i, frame_bytes) + hdr_padding(hdr + i); + if (i + HDR_SIZE > mp3_bytes) + return nmatch > 0; + if (!hdr_compare(hdr, hdr + i)) + return 0; + } + return 1; +} + +static int mp3d_find_frame(const uint8_t *mp3, int mp3_bytes, int *free_format_bytes, int *ptr_frame_bytes) +{ + int i, k; + for (i = 0; i < mp3_bytes - HDR_SIZE; i++, mp3++) + { + if (hdr_valid(mp3)) + { + int frame_bytes = hdr_frame_bytes(mp3, *free_format_bytes); + int frame_and_padding = frame_bytes + hdr_padding(mp3); + + for (k = HDR_SIZE; !frame_bytes && k < MAX_FREE_FORMAT_FRAME_SIZE && i + 2*k < mp3_bytes - HDR_SIZE; k++) + { + if (hdr_compare(mp3, mp3 + k)) + { + int fb = k - hdr_padding(mp3); + int nextfb = fb + hdr_padding(mp3 + k); + if (i + k + nextfb + HDR_SIZE > mp3_bytes || !hdr_compare(mp3, mp3 + k + nextfb)) + continue; + frame_and_padding = k; + frame_bytes = fb; + *free_format_bytes = fb; + } + } + if ((frame_bytes && i + frame_and_padding <= mp3_bytes && + mp3d_match_frame(mp3, mp3_bytes - i, frame_bytes)) || + (!i && frame_and_padding == mp3_bytes)) + { + *ptr_frame_bytes = frame_and_padding; + return i; + } + *free_format_bytes = 0; + } + } + *ptr_frame_bytes = 0; + return mp3_bytes; +} + +void mp3dec_init(mp3dec_t *dec) +{ + dec->header[0] = 0; +} + +int mp3dec_decode_frame(mp3dec_t *dec, const uint8_t *mp3, int mp3_bytes, mp3d_sample_t *pcm, mp3dec_frame_info_t *info) +{ + int i = 0, igr, frame_size = 0, success = 1; + const uint8_t *hdr; + bs_t bs_frame[1]; + mp3dec_scratch_t scratch; + + if (mp3_bytes > 4 && dec->header[0] == 0xff && hdr_compare(dec->header, mp3)) + { + frame_size = hdr_frame_bytes(mp3, dec->free_format_bytes) + hdr_padding(mp3); + if (frame_size != mp3_bytes && (frame_size + HDR_SIZE > mp3_bytes || !hdr_compare(mp3, mp3 + frame_size))) + { + frame_size = 0; + } + } + if (!frame_size) + { + memset(dec, 0, sizeof(mp3dec_t)); + i = mp3d_find_frame(mp3, mp3_bytes, &dec->free_format_bytes, &frame_size); + if (!frame_size || i + frame_size > mp3_bytes) + { + info->frame_bytes = i; + return 0; + } + } + + hdr = mp3 + i; + memcpy(dec->header, hdr, HDR_SIZE); + info->frame_bytes = i + frame_size; + info->frame_offset = i; + info->channels = HDR_IS_MONO(hdr) ? 1 : 2; + info->hz = hdr_sample_rate_hz(hdr); + info->layer = 4 - HDR_GET_LAYER(hdr); + info->bitrate_kbps = hdr_bitrate_kbps(hdr); + + if (!pcm) + { + return hdr_frame_samples(hdr); + } + + bs_init(bs_frame, hdr + HDR_SIZE, frame_size - HDR_SIZE); + if (HDR_IS_CRC(hdr)) + { + get_bits(bs_frame, 16); + } + + if (info->layer == 3) + { + int main_data_begin = L3_read_side_info(bs_frame, scratch.gr_info, hdr); + if (main_data_begin < 0 || bs_frame->pos > bs_frame->limit) + { + mp3dec_init(dec); + return 0; + } + success = L3_restore_reservoir(dec, bs_frame, &scratch, main_data_begin); + if (success) + { + for (igr = 0; igr < (HDR_TEST_MPEG1(hdr) ? 2 : 1); igr++, pcm += 576*info->channels) + { + memset(scratch.grbuf[0], 0, 576*2*sizeof(float)); + L3_decode(dec, &scratch, scratch.gr_info + igr*info->channels, info->channels); + mp3d_synth_granule(dec->qmf_state, scratch.grbuf[0], 18, info->channels, pcm, scratch.syn[0]); + } + } + L3_save_reservoir(dec, &scratch); + } else + { +#ifdef MINIMP3_ONLY_MP3 + return 0; +#else /* MINIMP3_ONLY_MP3 */ + L12_scale_info sci[1]; + L12_read_scale_info(hdr, bs_frame, sci); + + memset(scratch.grbuf[0], 0, 576*2*sizeof(float)); + for (i = 0, igr = 0; igr < 3; igr++) + { + if (12 == (i += L12_dequantize_granule(scratch.grbuf[0] + i, bs_frame, sci, info->layer | 1))) + { + i = 0; + L12_apply_scf_384(sci, sci->scf + igr, scratch.grbuf[0]); + mp3d_synth_granule(dec->qmf_state, scratch.grbuf[0], 12, info->channels, pcm, scratch.syn[0]); + memset(scratch.grbuf[0], 0, 576*2*sizeof(float)); + pcm += 384*info->channels; + } + if (bs_frame->pos > bs_frame->limit) + { + mp3dec_init(dec); + return 0; + } + } +#endif /* MINIMP3_ONLY_MP3 */ + } + return success*hdr_frame_samples(dec->header); +} + +#ifdef MINIMP3_FLOAT_OUTPUT +void mp3dec_f32_to_s16(const float *in, int16_t *out, int num_samples) +{ + int i = 0; +#if HAVE_SIMD + int aligned_count = num_samples & ~7; + for(; i < aligned_count; i += 8) + { + static const f4 g_scale = { 32768.0f, 32768.0f, 32768.0f, 32768.0f }; + f4 a = VMUL(VLD(&in[i ]), g_scale); + f4 b = VMUL(VLD(&in[i+4]), g_scale); +#if HAVE_SSE + static const f4 g_max = { 32767.0f, 32767.0f, 32767.0f, 32767.0f }; + static const f4 g_min = { -32768.0f, -32768.0f, -32768.0f, -32768.0f }; + __m128i pcm8 = _mm_packs_epi32(_mm_cvtps_epi32(_mm_max_ps(_mm_min_ps(a, g_max), g_min)), + _mm_cvtps_epi32(_mm_max_ps(_mm_min_ps(b, g_max), g_min))); + out[i ] = _mm_extract_epi16(pcm8, 0); + out[i+1] = _mm_extract_epi16(pcm8, 1); + out[i+2] = _mm_extract_epi16(pcm8, 2); + out[i+3] = _mm_extract_epi16(pcm8, 3); + out[i+4] = _mm_extract_epi16(pcm8, 4); + out[i+5] = _mm_extract_epi16(pcm8, 5); + out[i+6] = _mm_extract_epi16(pcm8, 6); + out[i+7] = _mm_extract_epi16(pcm8, 7); +#else /* HAVE_SSE */ + int16x4_t pcma, pcmb; + a = VADD(a, VSET(0.5f)); + b = VADD(b, VSET(0.5f)); + pcma = vqmovn_s32(vqaddq_s32(vcvtq_s32_f32(a), vreinterpretq_s32_u32(vcltq_f32(a, VSET(0))))); + pcmb = vqmovn_s32(vqaddq_s32(vcvtq_s32_f32(b), vreinterpretq_s32_u32(vcltq_f32(b, VSET(0))))); + vst1_lane_s16(out+i , pcma, 0); + vst1_lane_s16(out+i+1, pcma, 1); + vst1_lane_s16(out+i+2, pcma, 2); + vst1_lane_s16(out+i+3, pcma, 3); + vst1_lane_s16(out+i+4, pcmb, 0); + vst1_lane_s16(out+i+5, pcmb, 1); + vst1_lane_s16(out+i+6, pcmb, 2); + vst1_lane_s16(out+i+7, pcmb, 3); +#endif /* HAVE_SSE */ + } +#endif /* HAVE_SIMD */ + for(; i < num_samples; i++) + { + float sample = in[i] * 32768.0f; + if (sample >= 32766.5) + out[i] = (int16_t) 32767; + else if (sample <= -32767.5) + out[i] = (int16_t)-32768; + else + { + int16_t s = (int16_t)(sample + .5f); + s -= (s < 0); /* away from zero, to be compliant */ + out[i] = s; + } + } +} +#endif /* MINIMP3_FLOAT_OUTPUT */ +#endif /* MINIMP3_IMPLEMENTATION && !_MINIMP3_IMPLEMENTATION_GUARD */ diff --git a/Plugins/minimp3/ThirdParty/minimp3_ex.h b/Plugins/minimp3/ThirdParty/minimp3_ex.h new file mode 100644 index 000000000..2871705df --- /dev/null +++ b/Plugins/minimp3/ThirdParty/minimp3_ex.h @@ -0,0 +1,1397 @@ +#ifndef MINIMP3_EXT_H +#define MINIMP3_EXT_H +/* + https://github.com/lieff/minimp3 + To the extent possible under law, the author(s) have dedicated all copyright and related and neighboring rights to this software to the public domain worldwide. + This software is distributed without any warranty. + See . +*/ +#include +#include "minimp3.h" + +/* flags for mp3dec_ex_open_* functions */ +#define MP3D_SEEK_TO_BYTE 0 /* mp3dec_ex_seek seeks to byte in stream */ +#define MP3D_SEEK_TO_SAMPLE 1 /* mp3dec_ex_seek precisely seeks to sample using index (created during duration calculation scan or when mp3dec_ex_seek called) */ +#define MP3D_DO_NOT_SCAN 2 /* do not scan whole stream for duration if vbrtag not found, mp3dec_ex_t::samples will be filled only if mp3dec_ex_t::vbr_tag_found == 1 */ +#ifdef MINIMP3_ALLOW_MONO_STEREO_TRANSITION +#define MP3D_ALLOW_MONO_STEREO_TRANSITION 4 +#define MP3D_FLAGS_MASK 7 +#else +#define MP3D_FLAGS_MASK 3 +#endif + +/* compile-time config */ +#define MINIMP3_PREDECODE_FRAMES 2 /* frames to pre-decode and skip after seek (to fill internal structures) */ +/*#define MINIMP3_SEEK_IDX_LINEAR_SEARCH*/ /* define to use linear index search instead of binary search on seek */ +#define MINIMP3_IO_SIZE (128*1024) /* io buffer size for streaming functions, must be greater than MINIMP3_BUF_SIZE */ +#define MINIMP3_BUF_SIZE (16*1024) /* buffer which can hold minimum 10 consecutive mp3 frames (~16KB) worst case */ +/*#define MINIMP3_SCAN_LIMIT (256*1024)*/ /* how many bytes will be scanned to search first valid mp3 frame, to prevent stall on large non-mp3 files */ +#define MINIMP3_ENABLE_RING 0 /* WIP enable hardware magic ring buffer if available, to make less input buffer memmove(s) in callback IO mode */ + +/* return error codes */ +#define MP3D_E_PARAM -1 +#define MP3D_E_MEMORY -2 +#define MP3D_E_IOERROR -3 +#define MP3D_E_USER -4 /* can be used to stop processing from callbacks without indicating specific error */ +#define MP3D_E_DECODE -5 /* decode error which can't be safely skipped, such as sample rate, layer and channels change */ + +typedef struct +{ + mp3d_sample_t *buffer; + size_t samples; /* channels included, byte size = samples*sizeof(mp3d_sample_t) */ + int channels, hz, layer, avg_bitrate_kbps; +} mp3dec_file_info_t; + +typedef struct +{ + const uint8_t *buffer; + size_t size; +} mp3dec_map_info_t; + +typedef struct +{ + uint64_t sample; + uint64_t offset; +} mp3dec_frame_t; + +typedef struct +{ + mp3dec_frame_t *frames; + size_t num_frames, capacity; +} mp3dec_index_t; + +typedef size_t (*MP3D_READ_CB)(void *buf, size_t size, void *user_data); +typedef int (*MP3D_SEEK_CB)(uint64_t position, void *user_data); + +typedef struct +{ + MP3D_READ_CB read; + void *read_data; + MP3D_SEEK_CB seek; + void *seek_data; +} mp3dec_io_t; + +typedef struct +{ + mp3dec_t mp3d; + mp3dec_map_info_t file; + mp3dec_io_t *io; + mp3dec_index_t index; + uint64_t offset, samples, detected_samples, cur_sample, start_offset, end_offset; + mp3dec_frame_info_t info; + mp3d_sample_t buffer[MINIMP3_MAX_SAMPLES_PER_FRAME]; + size_t input_consumed, input_filled; + int is_file, flags, vbr_tag_found, indexes_built; + int free_format_bytes; + int buffer_samples, buffer_consumed, to_skip, start_delay; + int last_error; +} mp3dec_ex_t; + +typedef int (*MP3D_ITERATE_CB)(void *user_data, const uint8_t *frame, int frame_size, int free_format_bytes, size_t buf_size, uint64_t offset, mp3dec_frame_info_t *info); +typedef int (*MP3D_PROGRESS_CB)(void *user_data, size_t file_size, uint64_t offset, mp3dec_frame_info_t *info); + +#ifdef __cplusplus +extern "C" { +#endif + +/* detect mp3/mpa format */ +int mp3dec_detect_buf(const uint8_t *buf, size_t buf_size); +int mp3dec_detect_cb(mp3dec_io_t *io, uint8_t *buf, size_t buf_size); +/* decode whole buffer block */ +int mp3dec_load_buf(mp3dec_t *dec, const uint8_t *buf, size_t buf_size, mp3dec_file_info_t *info, MP3D_PROGRESS_CB progress_cb, void *user_data); +int mp3dec_load_cb(mp3dec_t *dec, mp3dec_io_t *io, uint8_t *buf, size_t buf_size, mp3dec_file_info_t *info, MP3D_PROGRESS_CB progress_cb, void *user_data); +/* iterate through frames */ +int mp3dec_iterate_buf(const uint8_t *buf, size_t buf_size, MP3D_ITERATE_CB callback, void *user_data); +int mp3dec_iterate_cb(mp3dec_io_t *io, uint8_t *buf, size_t buf_size, MP3D_ITERATE_CB callback, void *user_data); +/* streaming decoder with seeking capability */ +int mp3dec_ex_open_buf(mp3dec_ex_t *dec, const uint8_t *buf, size_t buf_size, int flags); +int mp3dec_ex_open_cb(mp3dec_ex_t *dec, mp3dec_io_t *io, int flags); +void mp3dec_ex_close(mp3dec_ex_t *dec); +int mp3dec_ex_seek(mp3dec_ex_t *dec, uint64_t position); +size_t mp3dec_ex_read_frame(mp3dec_ex_t *dec, mp3d_sample_t **buf, mp3dec_frame_info_t *frame_info, size_t max_samples); +size_t mp3dec_ex_read(mp3dec_ex_t *dec, mp3d_sample_t *buf, size_t samples); +#ifndef MINIMP3_NO_STDIO +/* stdio versions of file detect, load, iterate and stream */ +int mp3dec_detect(const char *file_name); +int mp3dec_load(mp3dec_t *dec, const char *file_name, mp3dec_file_info_t *info, MP3D_PROGRESS_CB progress_cb, void *user_data); +int mp3dec_iterate(const char *file_name, MP3D_ITERATE_CB callback, void *user_data); +int mp3dec_ex_open(mp3dec_ex_t *dec, const char *file_name, int flags); +#ifdef _WIN32 +int mp3dec_detect_w(const wchar_t *file_name); +int mp3dec_load_w(mp3dec_t *dec, const wchar_t *file_name, mp3dec_file_info_t *info, MP3D_PROGRESS_CB progress_cb, void *user_data); +int mp3dec_iterate_w(const wchar_t *file_name, MP3D_ITERATE_CB callback, void *user_data); +int mp3dec_ex_open_w(mp3dec_ex_t *dec, const wchar_t *file_name, int flags); +#endif +#endif + +#ifdef __cplusplus +} +#endif +#endif /*MINIMP3_EXT_H*/ + +#if defined(MINIMP3_IMPLEMENTATION) && !defined(_MINIMP3_EX_IMPLEMENTATION_GUARD) +#define _MINIMP3_EX_IMPLEMENTATION_GUARD +#include +#include "minimp3.h" + +static void mp3dec_skip_id3v1(const uint8_t *buf, size_t *pbuf_size) +{ + size_t buf_size = *pbuf_size; +#ifndef MINIMP3_NOSKIP_ID3V1 + if (buf_size >= 128 && !memcmp(buf + buf_size - 128, "TAG", 3)) + { + buf_size -= 128; + if (buf_size >= 227 && !memcmp(buf + buf_size - 227, "TAG+", 4)) + buf_size -= 227; + } +#endif +#ifndef MINIMP3_NOSKIP_APEV2 + if (buf_size > 32 && !memcmp(buf + buf_size - 32, "APETAGEX", 8)) + { + buf_size -= 32; + const uint8_t *tag = buf + buf_size + 8 + 4; + uint32_t tag_size = (uint32_t)(tag[3] << 24) | (tag[2] << 16) | (tag[1] << 8) | tag[0]; + if (buf_size >= tag_size) + buf_size -= tag_size; + } +#endif + *pbuf_size = buf_size; +} + +static size_t mp3dec_skip_id3v2(const uint8_t *buf, size_t buf_size) +{ +#define MINIMP3_ID3_DETECT_SIZE 10 +#ifndef MINIMP3_NOSKIP_ID3V2 + if (buf_size >= MINIMP3_ID3_DETECT_SIZE && !memcmp(buf, "ID3", 3) && !((buf[5] & 15) || (buf[6] & 0x80) || (buf[7] & 0x80) || (buf[8] & 0x80) || (buf[9] & 0x80))) + { + size_t id3v2size = (((buf[6] & 0x7f) << 21) | ((buf[7] & 0x7f) << 14) | ((buf[8] & 0x7f) << 7) | (buf[9] & 0x7f)) + 10; + if ((buf[5] & 16)) + id3v2size += 10; /* footer */ + return id3v2size; + } +#endif + return 0; +} + +static void mp3dec_skip_id3(const uint8_t **pbuf, size_t *pbuf_size) +{ + uint8_t *buf = (uint8_t *)(*pbuf); + size_t buf_size = *pbuf_size; + size_t id3v2size = mp3dec_skip_id3v2(buf, buf_size); + if (id3v2size) + { + if (id3v2size >= buf_size) + id3v2size = buf_size; + buf += id3v2size; + buf_size -= id3v2size; + } + mp3dec_skip_id3v1(buf, &buf_size); + *pbuf = (const uint8_t *)buf; + *pbuf_size = buf_size; +} + +static int mp3dec_check_vbrtag(const uint8_t *frame, int frame_size, uint32_t *frames, int *delay, int *padding) +{ + static const char g_xing_tag[4] = { 'X', 'i', 'n', 'g' }; + static const char g_info_tag[4] = { 'I', 'n', 'f', 'o' }; +#define FRAMES_FLAG 1 +#define BYTES_FLAG 2 +#define TOC_FLAG 4 +#define VBR_SCALE_FLAG 8 + /* Side info offsets after header: + / Mono Stereo + / MPEG1 17 32 + / MPEG2 & 2.5 9 17*/ + bs_t bs[1]; + L3_gr_info_t gr_info[4]; + bs_init(bs, frame + HDR_SIZE, frame_size - HDR_SIZE); + if (HDR_IS_CRC(frame)) + get_bits(bs, 16); + if (L3_read_side_info(bs, gr_info, frame) < 0) + return 0; /* side info corrupted */ + + const uint8_t *tag = frame + HDR_SIZE + bs->pos/8; + if (memcmp(g_xing_tag, tag, 4) && memcmp(g_info_tag, tag, 4)) + return 0; + int flags = tag[7]; + if (!((flags & FRAMES_FLAG))) + return -1; + tag += 8; + *frames = (uint32_t)(tag[0] << 24) | (tag[1] << 16) | (tag[2] << 8) | tag[3]; + tag += 4; + if (flags & BYTES_FLAG) + tag += 4; + if (flags & TOC_FLAG) + tag += 100; + if (flags & VBR_SCALE_FLAG) + tag += 4; + *delay = *padding = 0; + if (*tag) + { /* extension, LAME, Lavc, etc. Should be the same structure. */ + tag += 21; + if (tag - frame + 14 >= frame_size) + return 0; + *delay = ((tag[0] << 4) | (tag[1] >> 4)) + (528 + 1); + *padding = (((tag[1] & 0xF) << 8) | tag[2]) - (528 + 1); + } + return 1; +} + +int mp3dec_detect_buf(const uint8_t *buf, size_t buf_size) +{ + return mp3dec_detect_cb(0, (uint8_t *)buf, buf_size); +} + +int mp3dec_detect_cb(mp3dec_io_t *io, uint8_t *buf, size_t buf_size) +{ + if (!buf || (size_t)-1 == buf_size || (io && buf_size < MINIMP3_BUF_SIZE)) + return MP3D_E_PARAM; + size_t filled = buf_size; + if (io) + { + if (io->seek(0, io->seek_data)) + return MP3D_E_IOERROR; + filled = io->read(buf, MINIMP3_ID3_DETECT_SIZE, io->read_data); + if (filled > MINIMP3_ID3_DETECT_SIZE) + return MP3D_E_IOERROR; + } + if (filled < MINIMP3_ID3_DETECT_SIZE) + return MP3D_E_USER; /* too small, can't be mp3/mpa */ + if (mp3dec_skip_id3v2(buf, filled)) + return 0; /* id3v2 tag is enough evidence */ + if (io) + { + size_t readed = io->read(buf + MINIMP3_ID3_DETECT_SIZE, buf_size - MINIMP3_ID3_DETECT_SIZE, io->read_data); + if (readed > (buf_size - MINIMP3_ID3_DETECT_SIZE)) + return MP3D_E_IOERROR; + filled += readed; + if (filled < MINIMP3_BUF_SIZE) + mp3dec_skip_id3v1(buf, &filled); + } else + { + mp3dec_skip_id3v1(buf, &filled); + if (filled > MINIMP3_BUF_SIZE) + filled = MINIMP3_BUF_SIZE; + } + int free_format_bytes, frame_size; + mp3d_find_frame(buf, filled, &free_format_bytes, &frame_size); + if (frame_size) + return 0; /* MAX_FRAME_SYNC_MATCHES consecutive frames found */ + return MP3D_E_USER; +} + +int mp3dec_load_buf(mp3dec_t *dec, const uint8_t *buf, size_t buf_size, mp3dec_file_info_t *info, MP3D_PROGRESS_CB progress_cb, void *user_data) +{ + return mp3dec_load_cb(dec, 0, (uint8_t *)buf, buf_size, info, progress_cb, user_data); +} + +int mp3dec_load_cb(mp3dec_t *dec, mp3dec_io_t *io, uint8_t *buf, size_t buf_size, mp3dec_file_info_t *info, MP3D_PROGRESS_CB progress_cb, void *user_data) +{ + if (!dec || !buf || !info || (size_t)-1 == buf_size || (io && buf_size < MINIMP3_BUF_SIZE)) + return MP3D_E_PARAM; + uint64_t detected_samples = 0; + size_t orig_buf_size = buf_size; + int to_skip = 0; + mp3dec_frame_info_t frame_info; + memset(info, 0, sizeof(*info)); + memset(&frame_info, 0, sizeof(frame_info)); + + /* skip id3 */ + size_t filled = 0, consumed = 0; + int eof = 0, ret = 0; + if (io) + { + if (io->seek(0, io->seek_data)) + return MP3D_E_IOERROR; + filled = io->read(buf, MINIMP3_ID3_DETECT_SIZE, io->read_data); + if (filled > MINIMP3_ID3_DETECT_SIZE) + return MP3D_E_IOERROR; + if (MINIMP3_ID3_DETECT_SIZE != filled) + return 0; + size_t id3v2size = mp3dec_skip_id3v2(buf, filled); + if (id3v2size) + { + if (io->seek(id3v2size, io->seek_data)) + return MP3D_E_IOERROR; + filled = io->read(buf, buf_size, io->read_data); + if (filled > buf_size) + return MP3D_E_IOERROR; + } else + { + size_t readed = io->read(buf + MINIMP3_ID3_DETECT_SIZE, buf_size - MINIMP3_ID3_DETECT_SIZE, io->read_data); + if (readed > (buf_size - MINIMP3_ID3_DETECT_SIZE)) + return MP3D_E_IOERROR; + filled += readed; + } + if (filled < MINIMP3_BUF_SIZE) + mp3dec_skip_id3v1(buf, &filled); + } else + { + mp3dec_skip_id3((const uint8_t **)&buf, &buf_size); + if (!buf_size) + return 0; + } + /* try to make allocation size assumption by first frame or vbr tag */ + mp3dec_init(dec); + int samples; + do + { + uint32_t frames; + int i, delay, padding, free_format_bytes = 0, frame_size = 0; + const uint8_t *hdr; + if (io) + { + if (!eof && filled - consumed < MINIMP3_BUF_SIZE) + { /* keep minimum 10 consecutive mp3 frames (~16KB) worst case */ + memmove(buf, buf + consumed, filled - consumed); + filled -= consumed; + consumed = 0; + size_t readed = io->read(buf + filled, buf_size - filled, io->read_data); + if (readed > (buf_size - filled)) + return MP3D_E_IOERROR; + if (readed != (buf_size - filled)) + eof = 1; + filled += readed; + if (eof) + mp3dec_skip_id3v1(buf, &filled); + } + i = mp3d_find_frame(buf + consumed, filled - consumed, &free_format_bytes, &frame_size); + consumed += i; + hdr = buf + consumed; + } else + { + i = mp3d_find_frame(buf, buf_size, &free_format_bytes, &frame_size); + buf += i; + buf_size -= i; + hdr = buf; + } + if (i && !frame_size) + continue; + if (!frame_size) + return 0; + frame_info.channels = HDR_IS_MONO(hdr) ? 1 : 2; + frame_info.hz = hdr_sample_rate_hz(hdr); + frame_info.layer = 4 - HDR_GET_LAYER(hdr); + frame_info.bitrate_kbps = hdr_bitrate_kbps(hdr); + frame_info.frame_bytes = frame_size; + samples = hdr_frame_samples(hdr)*frame_info.channels; + if (3 != frame_info.layer) + break; + int ret = mp3dec_check_vbrtag(hdr, frame_size, &frames, &delay, &padding); + if (ret > 0) + { + padding *= frame_info.channels; + to_skip = delay*frame_info.channels; + detected_samples = samples*(uint64_t)frames; + if (detected_samples >= (uint64_t)to_skip) + detected_samples -= to_skip; + if (padding > 0 && detected_samples >= (uint64_t)padding) + detected_samples -= padding; + if (!detected_samples) + return 0; + } + if (ret) + { + if (io) + { + consumed += frame_size; + } else + { + buf += frame_size; + buf_size -= frame_size; + } + } + break; + } while(1); + size_t allocated = MINIMP3_MAX_SAMPLES_PER_FRAME*sizeof(mp3d_sample_t); + if (detected_samples) + allocated += detected_samples*sizeof(mp3d_sample_t); + else + allocated += (buf_size/frame_info.frame_bytes)*samples*sizeof(mp3d_sample_t); + info->buffer = (mp3d_sample_t*)malloc(allocated); + if (!info->buffer) + return MP3D_E_MEMORY; + /* save info */ + info->channels = frame_info.channels; + info->hz = frame_info.hz; + info->layer = frame_info.layer; + /* decode all frames */ + size_t avg_bitrate_kbps = 0, frames = 0; + do + { + if ((allocated - info->samples*sizeof(mp3d_sample_t)) < MINIMP3_MAX_SAMPLES_PER_FRAME*sizeof(mp3d_sample_t)) + { + allocated *= 2; + mp3d_sample_t *alloc_buf = (mp3d_sample_t*)realloc(info->buffer, allocated); + if (!alloc_buf) + return MP3D_E_MEMORY; + info->buffer = alloc_buf; + } + if (io) + { + if (!eof && filled - consumed < MINIMP3_BUF_SIZE) + { /* keep minimum 10 consecutive mp3 frames (~16KB) worst case */ + memmove(buf, buf + consumed, filled - consumed); + filled -= consumed; + consumed = 0; + size_t readed = io->read(buf + filled, buf_size - filled, io->read_data); + if (readed != (buf_size - filled)) + eof = 1; + filled += readed; + if (eof) + mp3dec_skip_id3v1(buf, &filled); + } + samples = mp3dec_decode_frame(dec, buf + consumed, filled - consumed, info->buffer + info->samples, &frame_info); + consumed += frame_info.frame_bytes; + } else + { + samples = mp3dec_decode_frame(dec, buf, MINIMP3_MIN(buf_size, (size_t)INT_MAX), info->buffer + info->samples, &frame_info); + buf += frame_info.frame_bytes; + buf_size -= frame_info.frame_bytes; + } + if (samples) + { + if (info->hz != frame_info.hz || info->layer != frame_info.layer) + { + ret = MP3D_E_DECODE; + break; + } + if (info->channels && info->channels != frame_info.channels) + { +#ifdef MINIMP3_ALLOW_MONO_STEREO_TRANSITION + info->channels = 0; /* mark file with mono-stereo transition */ +#else + ret = MP3D_E_DECODE; + break; +#endif + } + samples *= frame_info.channels; + if (to_skip) + { + size_t skip = MINIMP3_MIN(samples, to_skip); + to_skip -= skip; + samples -= skip; + memmove(info->buffer, info->buffer + skip, samples*sizeof(mp3d_sample_t)); + } + info->samples += samples; + avg_bitrate_kbps += frame_info.bitrate_kbps; + frames++; + if (progress_cb) + { + ret = progress_cb(user_data, orig_buf_size, orig_buf_size - buf_size, &frame_info); + if (ret) + break; + } + } + } while (frame_info.frame_bytes); + if (detected_samples && info->samples > detected_samples) + info->samples = detected_samples; /* cut padding */ + /* reallocate to normal buffer size */ + if (allocated != info->samples*sizeof(mp3d_sample_t)) + { + mp3d_sample_t *alloc_buf = (mp3d_sample_t*)realloc(info->buffer, info->samples*sizeof(mp3d_sample_t)); + if (!alloc_buf && info->samples) + return MP3D_E_MEMORY; + info->buffer = alloc_buf; + } + if (frames) + info->avg_bitrate_kbps = avg_bitrate_kbps/frames; + return ret; +} + +int mp3dec_iterate_buf(const uint8_t *buf, size_t buf_size, MP3D_ITERATE_CB callback, void *user_data) +{ + const uint8_t *orig_buf = buf; + if (!buf || (size_t)-1 == buf_size || !callback) + return MP3D_E_PARAM; + /* skip id3 */ + mp3dec_skip_id3(&buf, &buf_size); + if (!buf_size) + return 0; + mp3dec_frame_info_t frame_info; + memset(&frame_info, 0, sizeof(frame_info)); + do + { + int free_format_bytes = 0, frame_size = 0, ret; + int i = mp3d_find_frame(buf, buf_size, &free_format_bytes, &frame_size); + buf += i; + buf_size -= i; + if (i && !frame_size) + continue; + if (!frame_size) + break; + const uint8_t *hdr = buf; + frame_info.channels = HDR_IS_MONO(hdr) ? 1 : 2; + frame_info.hz = hdr_sample_rate_hz(hdr); + frame_info.layer = 4 - HDR_GET_LAYER(hdr); + frame_info.bitrate_kbps = hdr_bitrate_kbps(hdr); + frame_info.frame_bytes = frame_size; + + if (callback) + { + if ((ret = callback(user_data, hdr, frame_size, free_format_bytes, buf_size, hdr - orig_buf, &frame_info))) + return ret; + } + buf += frame_size; + buf_size -= frame_size; + } while (1); + return 0; +} + +int mp3dec_iterate_cb(mp3dec_io_t *io, uint8_t *buf, size_t buf_size, MP3D_ITERATE_CB callback, void *user_data) +{ + if (!io || !buf || (size_t)-1 == buf_size || buf_size < MINIMP3_BUF_SIZE || !callback) + return MP3D_E_PARAM; + size_t filled = io->read(buf, MINIMP3_ID3_DETECT_SIZE, io->read_data), consumed = 0; + uint64_t readed = 0; + mp3dec_frame_info_t frame_info; + int eof = 0; + memset(&frame_info, 0, sizeof(frame_info)); + if (filled > MINIMP3_ID3_DETECT_SIZE) + return MP3D_E_IOERROR; + if (MINIMP3_ID3_DETECT_SIZE != filled) + return 0; + size_t id3v2size = mp3dec_skip_id3v2(buf, filled); + if (id3v2size) + { + if (io->seek(id3v2size, io->seek_data)) + return MP3D_E_IOERROR; + filled = io->read(buf, buf_size, io->read_data); + if (filled > buf_size) + return MP3D_E_IOERROR; + readed += id3v2size; + } else + { + size_t readed = io->read(buf + MINIMP3_ID3_DETECT_SIZE, buf_size - MINIMP3_ID3_DETECT_SIZE, io->read_data); + if (readed > (buf_size - MINIMP3_ID3_DETECT_SIZE)) + return MP3D_E_IOERROR; + filled += readed; + } + if (filled < MINIMP3_BUF_SIZE) + mp3dec_skip_id3v1(buf, &filled); + do + { + int free_format_bytes = 0, frame_size = 0, ret; + int i = mp3d_find_frame(buf + consumed, filled - consumed, &free_format_bytes, &frame_size); + if (i && !frame_size) + { + consumed += i; + continue; + } + if (!frame_size) + break; + const uint8_t *hdr = buf + consumed + i; + frame_info.channels = HDR_IS_MONO(hdr) ? 1 : 2; + frame_info.hz = hdr_sample_rate_hz(hdr); + frame_info.layer = 4 - HDR_GET_LAYER(hdr); + frame_info.bitrate_kbps = hdr_bitrate_kbps(hdr); + frame_info.frame_bytes = frame_size; + + readed += i; + if (callback) + { + if ((ret = callback(user_data, hdr, frame_size, free_format_bytes, filled - consumed, readed, &frame_info))) + return ret; + } + readed += frame_size; + consumed += i + frame_size; + if (!eof && filled - consumed < MINIMP3_BUF_SIZE) + { /* keep minimum 10 consecutive mp3 frames (~16KB) worst case */ + memmove(buf, buf + consumed, filled - consumed); + filled -= consumed; + consumed = 0; + size_t readed = io->read(buf + filled, buf_size - filled, io->read_data); + if (readed > (buf_size - filled)) + return MP3D_E_IOERROR; + if (readed != (buf_size - filled)) + eof = 1; + filled += readed; + if (eof) + mp3dec_skip_id3v1(buf, &filled); + } + } while (1); + return 0; +} + +static int mp3dec_load_index(void *user_data, const uint8_t *frame, int frame_size, int free_format_bytes, size_t buf_size, uint64_t offset, mp3dec_frame_info_t *info) +{ + mp3dec_frame_t *idx_frame; + mp3dec_ex_t *dec = (mp3dec_ex_t *)user_data; + if (!dec->index.frames && !dec->start_offset) + { /* detect VBR tag and try to avoid full scan */ + uint32_t frames; + int delay, padding; + dec->info = *info; + dec->start_offset = dec->offset = offset; + dec->end_offset = offset + buf_size; + dec->free_format_bytes = free_format_bytes; /* should not change */ + if (3 == dec->info.layer) + { + int ret = mp3dec_check_vbrtag(frame, frame_size, &frames, &delay, &padding); + if (ret) + dec->start_offset = dec->offset = offset + frame_size; + if (ret > 0) + { + padding *= info->channels; + dec->start_delay = dec->to_skip = delay*info->channels; + dec->samples = hdr_frame_samples(frame)*info->channels*(uint64_t)frames; + if (dec->samples >= (uint64_t)dec->start_delay) + dec->samples -= dec->start_delay; + if (padding > 0 && dec->samples >= (uint64_t)padding) + dec->samples -= padding; + dec->detected_samples = dec->samples; + dec->vbr_tag_found = 1; + return MP3D_E_USER; + } else if (ret < 0) + return 0; + } + } + if (dec->flags & MP3D_DO_NOT_SCAN) + return MP3D_E_USER; + if (dec->index.num_frames + 1 > dec->index.capacity) + { + if (!dec->index.capacity) + dec->index.capacity = 4096; + else + dec->index.capacity *= 2; + mp3dec_frame_t *alloc_buf = (mp3dec_frame_t *)realloc((void*)dec->index.frames, sizeof(mp3dec_frame_t)*dec->index.capacity); + if (!alloc_buf) + return MP3D_E_MEMORY; + dec->index.frames = alloc_buf; + } + idx_frame = &dec->index.frames[dec->index.num_frames++]; + idx_frame->offset = offset; + idx_frame->sample = dec->samples; + if (!dec->buffer_samples && dec->index.num_frames < 256) + { /* for some cutted mp3 frames, bit-reservoir not filled and decoding can't be started from first frames */ + /* try to decode up to 255 first frames till samples starts to decode */ + dec->buffer_samples = mp3dec_decode_frame(&dec->mp3d, frame, MINIMP3_MIN(buf_size, (size_t)INT_MAX), dec->buffer, info); + dec->samples += dec->buffer_samples*info->channels; + } else + dec->samples += hdr_frame_samples(frame)*info->channels; + return 0; +} + +int mp3dec_ex_open_buf(mp3dec_ex_t *dec, const uint8_t *buf, size_t buf_size, int flags) +{ + if (!dec || !buf || (size_t)-1 == buf_size || (flags & (~MP3D_FLAGS_MASK))) + return MP3D_E_PARAM; + memset(dec, 0, sizeof(*dec)); + dec->file.buffer = buf; + dec->file.size = buf_size; + dec->flags = flags; + mp3dec_init(&dec->mp3d); + int ret = mp3dec_iterate_buf(dec->file.buffer, dec->file.size, mp3dec_load_index, dec); + if (ret && MP3D_E_USER != ret) + return ret; + mp3dec_init(&dec->mp3d); + dec->buffer_samples = 0; + dec->indexes_built = !(dec->vbr_tag_found || (flags & MP3D_DO_NOT_SCAN)); + dec->flags &= (~MP3D_DO_NOT_SCAN); + return 0; +} + +#ifndef MINIMP3_SEEK_IDX_LINEAR_SEARCH +static size_t mp3dec_idx_binary_search(mp3dec_index_t *idx, uint64_t position) +{ + size_t end = idx->num_frames, start = 0, index = 0; + while (start <= end) + { + size_t mid = (start + end) / 2; + if (idx->frames[mid].sample >= position) + { /* move left side. */ + if (idx->frames[mid].sample == position) + return mid; + end = mid - 1; + } else + { /* move to right side */ + index = mid; + start = mid + 1; + if (start == idx->num_frames) + break; + } + } + return index; +} +#endif + +int mp3dec_ex_seek(mp3dec_ex_t *dec, uint64_t position) +{ + size_t i; + if (!dec) + return MP3D_E_PARAM; + if (!(dec->flags & MP3D_SEEK_TO_SAMPLE)) + { + if (dec->io) + { + dec->offset = position; + } else + { + dec->offset = MINIMP3_MIN(position, dec->file.size); + } + dec->cur_sample = 0; + goto do_exit; + } + dec->cur_sample = position; + position += dec->start_delay; + if (0 == position) + { /* optimize seek to zero, no index needed */ +seek_zero: + dec->offset = dec->start_offset; + dec->to_skip = 0; + goto do_exit; + } + if (!dec->indexes_built) + { /* no index created yet (vbr tag used to calculate track length or MP3D_DO_NOT_SCAN open flag used) */ + dec->indexes_built = 1; + dec->samples = 0; + dec->buffer_samples = 0; + if (dec->io) + { + if (dec->io->seek(dec->start_offset, dec->io->seek_data)) + return MP3D_E_IOERROR; + int ret = mp3dec_iterate_cb(dec->io, (uint8_t *)dec->file.buffer, dec->file.size, mp3dec_load_index, dec); + if (ret && MP3D_E_USER != ret) + return ret; + } else + { + int ret = mp3dec_iterate_buf(dec->file.buffer + dec->start_offset, dec->file.size - dec->start_offset, mp3dec_load_index, dec); + if (ret && MP3D_E_USER != ret) + return ret; + } + for (i = 0; i < dec->index.num_frames; i++) + dec->index.frames[i].offset += dec->start_offset; + dec->samples = dec->detected_samples; + } + if (!dec->index.frames) + goto seek_zero; /* no frames in file - seek to zero */ +#ifdef MINIMP3_SEEK_IDX_LINEAR_SEARCH + for (i = 0; i < dec->index.num_frames; i++) + { + if (dec->index.frames[i].sample >= position) + break; + } +#else + i = mp3dec_idx_binary_search(&dec->index, position); +#endif + if (i) + { + int to_fill_bytes = 511; + int skip_frames = MINIMP3_PREDECODE_FRAMES +#ifdef MINIMP3_SEEK_IDX_LINEAR_SEARCH + + ((dec->index.frames[i].sample == position) ? 0 : 1) +#endif + ; + i -= MINIMP3_MIN(i, (size_t)skip_frames); + if (3 == dec->info.layer) + { + while (i && to_fill_bytes) + { /* make sure bit-reservoir is filled when we start decoding */ + bs_t bs[1]; + L3_gr_info_t gr_info[4]; + int frame_bytes, frame_size; + const uint8_t *hdr; + if (dec->io) + { + hdr = dec->file.buffer; + if (dec->io->seek(dec->index.frames[i - 1].offset, dec->io->seek_data)) + return MP3D_E_IOERROR; + size_t readed = dec->io->read((uint8_t *)hdr, HDR_SIZE, dec->io->read_data); + if (readed != HDR_SIZE) + return MP3D_E_IOERROR; + frame_size = hdr_frame_bytes(hdr, dec->free_format_bytes) + hdr_padding(hdr); + readed = dec->io->read((uint8_t *)hdr + HDR_SIZE, frame_size - HDR_SIZE, dec->io->read_data); + if (readed != (size_t)(frame_size - HDR_SIZE)) + return MP3D_E_IOERROR; + bs_init(bs, hdr + HDR_SIZE, frame_size - HDR_SIZE); + } else + { + hdr = dec->file.buffer + dec->index.frames[i - 1].offset; + frame_size = hdr_frame_bytes(hdr, dec->free_format_bytes) + hdr_padding(hdr); + bs_init(bs, hdr + HDR_SIZE, frame_size - HDR_SIZE); + } + if (HDR_IS_CRC(hdr)) + get_bits(bs, 16); + i--; + if (L3_read_side_info(bs, gr_info, hdr) < 0) + break; /* frame not decodable, we can start from here */ + frame_bytes = (bs->limit - bs->pos)/8; + to_fill_bytes -= MINIMP3_MIN(to_fill_bytes, frame_bytes); + } + } + } + dec->offset = dec->index.frames[i].offset; + dec->to_skip = position - dec->index.frames[i].sample; + while ((i + 1) < dec->index.num_frames && !dec->index.frames[i].sample && !dec->index.frames[i + 1].sample) + { /* skip not decodable first frames */ + const uint8_t *hdr; + if (dec->io) + { + hdr = dec->file.buffer; + if (dec->io->seek(dec->index.frames[i].offset, dec->io->seek_data)) + return MP3D_E_IOERROR; + size_t readed = dec->io->read((uint8_t *)hdr, HDR_SIZE, dec->io->read_data); + if (readed != HDR_SIZE) + return MP3D_E_IOERROR; + } else + hdr = dec->file.buffer + dec->index.frames[i].offset; + dec->to_skip += hdr_frame_samples(hdr)*dec->info.channels; + i++; + } +do_exit: + if (dec->io) + { + if (dec->io->seek(dec->offset, dec->io->seek_data)) + return MP3D_E_IOERROR; + } + dec->buffer_samples = 0; + dec->buffer_consumed = 0; + dec->input_consumed = 0; + dec->input_filled = 0; + dec->last_error = 0; + mp3dec_init(&dec->mp3d); + return 0; +} + +size_t mp3dec_ex_read_frame(mp3dec_ex_t *dec, mp3d_sample_t **buf, mp3dec_frame_info_t *frame_info, size_t max_samples) +{ + if (!dec || !buf || !frame_info) + { + if (dec) + dec->last_error = MP3D_E_PARAM; + return 0; + } + if (dec->detected_samples && dec->cur_sample >= dec->detected_samples) + return 0; /* at end of stream */ + if (dec->last_error) + return 0; /* error eof state, seek can reset it */ + *buf = NULL; + uint64_t end_offset = dec->end_offset ? dec->end_offset : dec->file.size; + int eof = 0; + while (dec->buffer_consumed == dec->buffer_samples) + { + const uint8_t *dec_buf; + if (dec->io) + { + if (!eof && (dec->input_filled - dec->input_consumed) < MINIMP3_BUF_SIZE) + { /* keep minimum 10 consecutive mp3 frames (~16KB) worst case */ + memmove((uint8_t*)dec->file.buffer, (uint8_t*)dec->file.buffer + dec->input_consumed, dec->input_filled - dec->input_consumed); + dec->input_filled -= dec->input_consumed; + dec->input_consumed = 0; + size_t readed = dec->io->read((uint8_t*)dec->file.buffer + dec->input_filled, dec->file.size - dec->input_filled, dec->io->read_data); + if (readed > (dec->file.size - dec->input_filled)) + { + dec->last_error = MP3D_E_IOERROR; + readed = 0; + } + if (readed != (dec->file.size - dec->input_filled)) + eof = 1; + dec->input_filled += readed; + if (eof) + mp3dec_skip_id3v1((uint8_t*)dec->file.buffer, &dec->input_filled); + } + dec_buf = dec->file.buffer + dec->input_consumed; + if (!(dec->input_filled - dec->input_consumed)) + return 0; + dec->buffer_samples = mp3dec_decode_frame(&dec->mp3d, dec_buf, dec->input_filled - dec->input_consumed, dec->buffer, frame_info); + dec->input_consumed += frame_info->frame_bytes; + } else + { + dec_buf = dec->file.buffer + dec->offset; + uint64_t buf_size = end_offset - dec->offset; + if (!buf_size) + return 0; + dec->buffer_samples = mp3dec_decode_frame(&dec->mp3d, dec_buf, MINIMP3_MIN(buf_size, (uint64_t)INT_MAX), dec->buffer, frame_info); + } + dec->buffer_consumed = 0; + if (dec->info.hz != frame_info->hz || dec->info.layer != frame_info->layer) + { +return_e_decode: + dec->last_error = MP3D_E_DECODE; + return 0; + } + if (dec->buffer_samples) + { + dec->buffer_samples *= frame_info->channels; + if (dec->to_skip) + { + size_t skip = MINIMP3_MIN(dec->buffer_samples, dec->to_skip); + dec->buffer_consumed += skip; + dec->to_skip -= skip; + } + if ( +#ifdef MINIMP3_ALLOW_MONO_STEREO_TRANSITION + !(dec->flags & MP3D_ALLOW_MONO_STEREO_TRANSITION) && +#endif + dec->buffer_consumed != dec->buffer_samples && dec->info.channels != frame_info->channels) + { + goto return_e_decode; + } + } else if (dec->to_skip) + { /* In mp3 decoding not always can start decode from any frame because of bit reservoir, + count skip samples for such frames */ + int frame_samples = hdr_frame_samples(dec_buf)*frame_info->channels; + dec->to_skip -= MINIMP3_MIN(frame_samples, dec->to_skip); + } + dec->offset += frame_info->frame_bytes; + } + size_t out_samples = MINIMP3_MIN((size_t)(dec->buffer_samples - dec->buffer_consumed), max_samples); + if (dec->detected_samples) + { /* count decoded samples to properly cut padding */ + if (dec->cur_sample + out_samples >= dec->detected_samples) + out_samples = dec->detected_samples - dec->cur_sample; + } + dec->cur_sample += out_samples; + *buf = dec->buffer + dec->buffer_consumed; + dec->buffer_consumed += out_samples; + return out_samples; +} + +size_t mp3dec_ex_read(mp3dec_ex_t *dec, mp3d_sample_t *buf, size_t samples) +{ + if (!dec || !buf) + { + if (dec) + dec->last_error = MP3D_E_PARAM; + return 0; + } + mp3dec_frame_info_t frame_info; + memset(&frame_info, 0, sizeof(frame_info)); + size_t samples_requested = samples; + while (samples) + { + mp3d_sample_t *buf_frame = NULL; + size_t read_samples = mp3dec_ex_read_frame(dec, &buf_frame, &frame_info, samples); + if (!read_samples) + { + break; + } + memcpy(buf, buf_frame, read_samples * sizeof(mp3d_sample_t)); + buf += read_samples; + samples -= read_samples; + } + return samples_requested - samples; +} + +int mp3dec_ex_open_cb(mp3dec_ex_t *dec, mp3dec_io_t *io, int flags) +{ + if (!dec || !io || (flags & (~MP3D_FLAGS_MASK))) + return MP3D_E_PARAM; + memset(dec, 0, sizeof(*dec)); +#ifdef MINIMP3_HAVE_RING + int ret; + if (ret = mp3dec_open_ring(&dec->file, MINIMP3_IO_SIZE)) + return ret; +#else + dec->file.size = MINIMP3_IO_SIZE; + dec->file.buffer = (const uint8_t*)malloc(dec->file.size); + if (!dec->file.buffer) + return MP3D_E_MEMORY; +#endif + dec->flags = flags; + dec->io = io; + mp3dec_init(&dec->mp3d); + if (io->seek(0, io->seek_data)) + return MP3D_E_IOERROR; + int ret = mp3dec_iterate_cb(io, (uint8_t *)dec->file.buffer, dec->file.size, mp3dec_load_index, dec); + if (ret && MP3D_E_USER != ret) + return ret; + if (dec->io->seek(dec->start_offset, dec->io->seek_data)) + return MP3D_E_IOERROR; + mp3dec_init(&dec->mp3d); + dec->buffer_samples = 0; + dec->indexes_built = !(dec->vbr_tag_found || (flags & MP3D_DO_NOT_SCAN)); + dec->flags &= (~MP3D_DO_NOT_SCAN); + return 0; +} + + +#ifndef MINIMP3_NO_STDIO + +#if defined(__linux__) || defined(__FreeBSD__) +#include +#include +#include +#include +#include +#include +#if !defined(_GNU_SOURCE) +#include +#include +#endif +#if !defined(MAP_POPULATE) && defined(__linux__) +#define MAP_POPULATE 0x08000 +#elif !defined(MAP_POPULATE) +#define MAP_POPULATE 0 +#endif + +static void mp3dec_close_file(mp3dec_map_info_t *map_info) +{ + if (map_info->buffer && MAP_FAILED != map_info->buffer) + munmap((void *)map_info->buffer, map_info->size); + map_info->buffer = 0; + map_info->size = 0; +} + +static int mp3dec_open_file(const char *file_name, mp3dec_map_info_t *map_info) +{ + if (!file_name) + return MP3D_E_PARAM; + int file; + struct stat st; + memset(map_info, 0, sizeof(*map_info)); +retry_open: + file = open(file_name, O_RDONLY); + if (file < 0 && (errno == EAGAIN || errno == EINTR)) + goto retry_open; + if (file < 0 || fstat(file, &st) < 0) + { + close(file); + return MP3D_E_IOERROR; + } + + map_info->size = st.st_size; +retry_mmap: + map_info->buffer = (const uint8_t *)mmap(NULL, st.st_size, PROT_READ, MAP_PRIVATE | MAP_POPULATE, file, 0); + if (MAP_FAILED == map_info->buffer && (errno == EAGAIN || errno == EINTR)) + goto retry_mmap; + close(file); + if (MAP_FAILED == map_info->buffer) + return MP3D_E_IOERROR; + return 0; +} + +#if MINIMP3_ENABLE_RING && defined(__linux__) && defined(_GNU_SOURCE) +#define MINIMP3_HAVE_RING +static void mp3dec_close_ring(mp3dec_map_info_t *map_info) +{ +#if defined(__linux__) && defined(_GNU_SOURCE) + if (map_info->buffer && MAP_FAILED != map_info->buffer) + munmap((void *)map_info->buffer, map_info->size*2); +#else + if (map_info->buffer) + { + shmdt(map_info->buffer); + shmdt(map_info->buffer + map_info->size); + } +#endif + map_info->buffer = 0; + map_info->size = 0; +} + +static int mp3dec_open_ring(mp3dec_map_info_t *map_info, size_t size) +{ + int memfd, page_size; +#if defined(__linux__) && defined(_GNU_SOURCE) + void *buffer; + int res; +#endif + memset(map_info, 0, sizeof(*map_info)); + +#ifdef _SC_PAGESIZE + page_size = sysconf(_SC_PAGESIZE); +#else + page_size = getpagesize(); +#endif + map_info->size = (size + page_size - 1)/page_size*page_size; + +#if defined(__linux__) && defined(_GNU_SOURCE) + memfd = memfd_create("mp3_ring", 0); + if (memfd < 0) + return MP3D_E_MEMORY; + +retry_ftruncate: + res = ftruncate(memfd, map_info->size); + if (res && (errno == EAGAIN || errno == EINTR)) + goto retry_ftruncate; + if (res) + goto error; + +retry_mmap: + map_info->buffer = (const uint8_t *)mmap(NULL, map_info->size*2, PROT_NONE, MAP_ANONYMOUS | MAP_PRIVATE, -1, 0); + if (MAP_FAILED == map_info->buffer && (errno == EAGAIN || errno == EINTR)) + goto retry_mmap; + if (MAP_FAILED == map_info->buffer || !map_info->buffer) + goto error; +retry_mmap2: + buffer = mmap((void *)map_info->buffer, map_info->size, PROT_READ | PROT_WRITE, MAP_FIXED | MAP_SHARED, memfd, 0); + if (MAP_FAILED == map_info->buffer && (errno == EAGAIN || errno == EINTR)) + goto retry_mmap2; + if (MAP_FAILED == map_info->buffer || buffer != (void *)map_info->buffer) + goto error; +retry_mmap3: + buffer = mmap((void *)map_info->buffer + map_info->size, map_info->size, PROT_READ | PROT_WRITE, MAP_FIXED | MAP_SHARED, memfd, 0); + if (MAP_FAILED == map_info->buffer && (errno == EAGAIN || errno == EINTR)) + goto retry_mmap3; + if (MAP_FAILED == map_info->buffer || buffer != (void *)(map_info->buffer + map_info->size)) + goto error; + + close(memfd); + return 0; +error: + close(memfd); + mp3dec_close_ring(map_info); + return MP3D_E_MEMORY; +#else + memfd = shmget(IPC_PRIVATE, map_info->size, IPC_CREAT | 0700); + if (memfd < 0) + return MP3D_E_MEMORY; +retry_mmap: + map_info->buffer = (const uint8_t *)mmap(NULL, map_info->size*2, PROT_NONE, MAP_PRIVATE, -1, 0); + if (MAP_FAILED == map_info->buffer && (errno == EAGAIN || errno == EINTR)) + goto retry_mmap; + if (MAP_FAILED == map_info->buffer) + goto error; + if (map_info->buffer != shmat(memfd, map_info->buffer, 0)) + goto error; + if ((map_info->buffer + map_info->size) != shmat(memfd, map_info->buffer + map_info->size, 0)) + goto error; + if (shmctl(memfd, IPC_RMID, NULL) < 0) + return MP3D_E_MEMORY; + return 0; +error: + shmctl(memfd, IPC_RMID, NULL); + mp3dec_close_ring(map_info); + return MP3D_E_MEMORY; +#endif +} +#endif /*MINIMP3_ENABLE_RING*/ +#elif defined(_WIN32) +#include + +static void mp3dec_close_file(mp3dec_map_info_t *map_info) +{ + if (map_info->buffer) + UnmapViewOfFile(map_info->buffer); + map_info->buffer = 0; + map_info->size = 0; +} + +static int mp3dec_open_file_h(HANDLE file, mp3dec_map_info_t *map_info) +{ + memset(map_info, 0, sizeof(*map_info)); + + HANDLE mapping = NULL; + LARGE_INTEGER s; + s.LowPart = GetFileSize(file, (DWORD*)&s.HighPart); + if (s.LowPart == INVALID_FILE_SIZE && GetLastError() != NO_ERROR) + goto error; + map_info->size = s.QuadPart; + + mapping = CreateFileMapping(file, NULL, PAGE_READONLY, 0, 0, NULL); + if (!mapping) + goto error; + map_info->buffer = (const uint8_t*)MapViewOfFile(mapping, FILE_MAP_READ, 0, 0, s.QuadPart); + CloseHandle(mapping); + if (!map_info->buffer) + goto error; + + CloseHandle(file); + return 0; +error: + mp3dec_close_file(map_info); + CloseHandle(file); + return MP3D_E_IOERROR; +} + +static int mp3dec_open_file(const char *file_name, mp3dec_map_info_t *map_info) +{ + if (!file_name) + return MP3D_E_PARAM; + HANDLE file = CreateFileA(file_name, GENERIC_READ, FILE_SHARE_READ, 0, OPEN_EXISTING, 0, 0); + if (INVALID_HANDLE_VALUE == file) + return MP3D_E_IOERROR; + return mp3dec_open_file_h(file, map_info); +} + +static int mp3dec_open_file_w(const wchar_t *file_name, mp3dec_map_info_t *map_info) +{ + if (!file_name) + return MP3D_E_PARAM; + HANDLE file = CreateFileW(file_name, GENERIC_READ, FILE_SHARE_READ, 0, OPEN_EXISTING, 0, 0); + if (INVALID_HANDLE_VALUE == file) + return MP3D_E_IOERROR; + return mp3dec_open_file_h(file, map_info); +} +#else +#include + +static void mp3dec_close_file(mp3dec_map_info_t *map_info) +{ + if (map_info->buffer) + free((void *)map_info->buffer); + map_info->buffer = 0; + map_info->size = 0; +} + +static int mp3dec_open_file(const char *file_name, mp3dec_map_info_t *map_info) +{ + if (!file_name) + return MP3D_E_PARAM; + memset(map_info, 0, sizeof(*map_info)); + FILE *file = fopen(file_name, "rb"); + if (!file) + return MP3D_E_IOERROR; + int res = MP3D_E_IOERROR; + long size = -1; + if (fseek(file, 0, SEEK_END)) + goto error; + size = ftell(file); + if (size < 0) + goto error; + map_info->size = (size_t)size; + if (fseek(file, 0, SEEK_SET)) + goto error; + map_info->buffer = (uint8_t *)malloc(map_info->size); + if (!map_info->buffer) + { + res = MP3D_E_MEMORY; + goto error; + } + if (fread((void *)map_info->buffer, 1, map_info->size, file) != map_info->size) + goto error; + fclose(file); + return 0; +error: + mp3dec_close_file(map_info); + fclose(file); + return res; +} +#endif + +static int mp3dec_detect_mapinfo(mp3dec_map_info_t *map_info) +{ + int ret = mp3dec_detect_buf(map_info->buffer, map_info->size); + mp3dec_close_file(map_info); + return ret; +} + +static int mp3dec_load_mapinfo(mp3dec_t *dec, mp3dec_map_info_t *map_info, mp3dec_file_info_t *info, MP3D_PROGRESS_CB progress_cb, void *user_data) +{ + int ret = mp3dec_load_buf(dec, map_info->buffer, map_info->size, info, progress_cb, user_data); + mp3dec_close_file(map_info); + return ret; +} + +static int mp3dec_iterate_mapinfo(mp3dec_map_info_t *map_info, MP3D_ITERATE_CB callback, void *user_data) +{ + int ret = mp3dec_iterate_buf(map_info->buffer, map_info->size, callback, user_data); + mp3dec_close_file(map_info); + return ret; +} + +static int mp3dec_ex_open_mapinfo(mp3dec_ex_t *dec, int flags) +{ + int ret = mp3dec_ex_open_buf(dec, dec->file.buffer, dec->file.size, flags); + dec->is_file = 1; + if (ret) + mp3dec_ex_close(dec); + return ret; +} + +int mp3dec_detect(const char *file_name) +{ + int ret; + mp3dec_map_info_t map_info; + if ((ret = mp3dec_open_file(file_name, &map_info))) + return ret; + return mp3dec_detect_mapinfo(&map_info); +} + +int mp3dec_load(mp3dec_t *dec, const char *file_name, mp3dec_file_info_t *info, MP3D_PROGRESS_CB progress_cb, void *user_data) +{ + int ret; + mp3dec_map_info_t map_info; + if ((ret = mp3dec_open_file(file_name, &map_info))) + return ret; + return mp3dec_load_mapinfo(dec, &map_info, info, progress_cb, user_data); +} + +int mp3dec_iterate(const char *file_name, MP3D_ITERATE_CB callback, void *user_data) +{ + int ret; + mp3dec_map_info_t map_info; + if ((ret = mp3dec_open_file(file_name, &map_info))) + return ret; + return mp3dec_iterate_mapinfo(&map_info, callback, user_data); +} + +int mp3dec_ex_open(mp3dec_ex_t *dec, const char *file_name, int flags) +{ + int ret; + if (!dec) + return MP3D_E_PARAM; + if ((ret = mp3dec_open_file(file_name, &dec->file))) + return ret; + return mp3dec_ex_open_mapinfo(dec, flags); +} + +void mp3dec_ex_close(mp3dec_ex_t *dec) +{ +#ifdef MINIMP3_HAVE_RING + if (dec->io) + mp3dec_close_ring(&dec->file); +#else + if (dec->io && dec->file.buffer) + free((void*)dec->file.buffer); +#endif + if (dec->is_file) + mp3dec_close_file(&dec->file); + if (dec->index.frames) + free(dec->index.frames); + memset(dec, 0, sizeof(*dec)); +} + +#ifdef _WIN32 +int mp3dec_detect_w(const wchar_t *file_name) +{ + int ret; + mp3dec_map_info_t map_info; + if ((ret = mp3dec_open_file_w(file_name, &map_info))) + return ret; + return mp3dec_detect_mapinfo(&map_info); +} + +int mp3dec_load_w(mp3dec_t *dec, const wchar_t *file_name, mp3dec_file_info_t *info, MP3D_PROGRESS_CB progress_cb, void *user_data) +{ + int ret; + mp3dec_map_info_t map_info; + if ((ret = mp3dec_open_file_w(file_name, &map_info))) + return ret; + return mp3dec_load_mapinfo(dec, &map_info, info, progress_cb, user_data); +} + +int mp3dec_iterate_w(const wchar_t *file_name, MP3D_ITERATE_CB callback, void *user_data) +{ + int ret; + mp3dec_map_info_t map_info; + if ((ret = mp3dec_open_file_w(file_name, &map_info))) + return ret; + return mp3dec_iterate_mapinfo(&map_info, callback, user_data); +} + +int mp3dec_ex_open_w(mp3dec_ex_t *dec, const wchar_t *file_name, int flags) +{ + int ret; + if ((ret = mp3dec_open_file_w(file_name, &dec->file))) + return ret; + return mp3dec_ex_open_mapinfo(dec, flags); +} +#endif +#else /* MINIMP3_NO_STDIO */ +void mp3dec_ex_close(mp3dec_ex_t *dec) +{ +#ifdef MINIMP3_HAVE_RING + if (dec->io) + mp3dec_close_ring(&dec->file); +#else + if (dec->io && dec->file.buffer) + free((void*)dec->file.buffer); +#endif + if (dec->index.frames) + free(dec->index.frames); + memset(dec, 0, sizeof(*dec)); +} +#endif + +#endif /* MINIMP3_IMPLEMENTATION && !_MINIMP3_EX_IMPLEMENTATION_GUARD */ diff --git a/Plugins/MAD/MAD.xcodeproj/project.pbxproj b/Plugins/minimp3/minimp3.xcodeproj/project.pbxproj similarity index 89% rename from Plugins/MAD/MAD.xcodeproj/project.pbxproj rename to Plugins/minimp3/minimp3.xcodeproj/project.pbxproj index 57f7c1997..ab8e4d530 100644 --- a/Plugins/MAD/MAD.xcodeproj/project.pbxproj +++ b/Plugins/minimp3/minimp3.xcodeproj/project.pbxproj @@ -7,8 +7,7 @@ objects = { /* Begin PBXBuildFile section */ - 8372C93527C7861300E250C9 /* MADDecoder.m in Sources */ = {isa = PBXBuildFile; fileRef = 8372C93427C7861300E250C9 /* MADDecoder.m */; }; - 8372C93727C7863700E250C9 /* libmad.a in Frameworks */ = {isa = PBXBuildFile; fileRef = 8372C93627C7863700E250C9 /* libmad.a */; }; + 8372C93527C7861300E250C9 /* MP3Decoder.m in Sources */ = {isa = PBXBuildFile; fileRef = 8372C93427C7861300E250C9 /* MP3Decoder.m */; }; 8372C93F27C7904800E250C9 /* libid3tag.a in Frameworks */ = {isa = PBXBuildFile; fileRef = 8372C93E27C7904800E250C9 /* libid3tag.a */; }; 8372C94227C7959000E250C9 /* libz.tbd in Frameworks */ = {isa = PBXBuildFile; fileRef = 8372C94127C7959000E250C9 /* libz.tbd */; }; 83F97B6928600F9300A70B97 /* CVbriHeader.c in Sources */ = {isa = PBXBuildFile; fileRef = 83F97B6728600F9300A70B97 /* CVbriHeader.c */; }; @@ -16,16 +15,17 @@ /* Begin PBXFileReference section */ 834A42BB287AFB0700EB9D9B /* AudioChunk.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = AudioChunk.h; path = ../../Audio/Chain/AudioChunk.h; sourceTree = ""; }; - 8372C92327C785BD00E250C9 /* MAD.bundle */ = {isa = PBXFileReference; explicitFileType = wrapper.cfbundle; includeInIndex = 0; path = MAD.bundle; sourceTree = BUILT_PRODUCTS_DIR; }; - 8372C93327C7861300E250C9 /* MADDecoder.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = MADDecoder.h; sourceTree = ""; }; - 8372C93427C7861300E250C9 /* MADDecoder.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = MADDecoder.m; sourceTree = ""; }; - 8372C93627C7863700E250C9 /* libmad.a */ = {isa = PBXFileReference; lastKnownFileType = archive.ar; name = libmad.a; path = ../../ThirdParty/libmad/lib/libmad.a; sourceTree = ""; }; + 8372C92327C785BD00E250C9 /* minimp3.bundle */ = {isa = PBXFileReference; explicitFileType = wrapper.cfbundle; includeInIndex = 0; path = minimp3.bundle; sourceTree = BUILT_PRODUCTS_DIR; }; + 8372C93327C7861300E250C9 /* MP3Decoder.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = MP3Decoder.h; sourceTree = ""; }; + 8372C93427C7861300E250C9 /* MP3Decoder.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = MP3Decoder.m; sourceTree = ""; }; 8372C93827C7865A00E250C9 /* Plugin.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = Plugin.h; path = ../../Audio/Plugin.h; sourceTree = ""; }; 8372C93927C7866B00E250C9 /* Logging.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = Logging.h; path = ../../Utils/Logging.h; sourceTree = ""; }; 8372C93A27C786DD00E250C9 /* HTTPSource.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = HTTPSource.h; path = ../HTTPSource/HTTPSource.h; sourceTree = ""; }; 8372C93E27C7904800E250C9 /* libid3tag.a */ = {isa = PBXFileReference; lastKnownFileType = archive.ar; name = libid3tag.a; path = ../../ThirdParty/libid3tag/lib/libid3tag.a; sourceTree = ""; }; 8372C94127C7959000E250C9 /* libz.tbd */ = {isa = PBXFileReference; lastKnownFileType = "sourcecode.text-based-dylib-definition"; name = libz.tbd; path = usr/lib/libz.tbd; sourceTree = SDKROOT; }; 83747C272862DB9F0021245F /* Shared.xcconfig */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text.xcconfig; path = Shared.xcconfig; sourceTree = ""; }; + 83B73B612D8FC0A900A57F08 /* minimp3.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = minimp3.h; sourceTree = ""; }; + 83B73B622D8FC0A900A57F08 /* minimp3_ex.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = minimp3_ex.h; sourceTree = ""; }; 83F97B6728600F9300A70B97 /* CVbriHeader.c */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.c; path = CVbriHeader.c; sourceTree = ""; }; 83F97B6828600F9300A70B97 /* CVbriHeader.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = CVbriHeader.h; sourceTree = ""; }; /* End PBXFileReference section */ @@ -36,7 +36,6 @@ buildActionMask = 2147483647; files = ( 8372C94227C7959000E250C9 /* libz.tbd in Frameworks */, - 8372C93727C7863700E250C9 /* libmad.a in Frameworks */, 8372C93F27C7904800E250C9 /* libid3tag.a in Frameworks */, ); runOnlyForDeploymentPostprocessing = 0; @@ -53,10 +52,9 @@ 8372C93A27C786DD00E250C9 /* HTTPSource.h */, 8372C93927C7866B00E250C9 /* Logging.h */, 8372C93827C7865A00E250C9 /* Plugin.h */, - 8372C93327C7861300E250C9 /* MADDecoder.h */, - 8372C93427C7861300E250C9 /* MADDecoder.m */, + 8372C93327C7861300E250C9 /* MP3Decoder.h */, + 8372C93427C7861300E250C9 /* MP3Decoder.m */, 8372C93E27C7904800E250C9 /* libid3tag.a */, - 8372C93627C7863700E250C9 /* libmad.a */, 8372C92427C785BD00E250C9 /* Products */, 8372C94027C7959000E250C9 /* Frameworks */, ); @@ -65,7 +63,7 @@ 8372C92427C785BD00E250C9 /* Products */ = { isa = PBXGroup; children = ( - 8372C92327C785BD00E250C9 /* MAD.bundle */, + 8372C92327C785BD00E250C9 /* minimp3.bundle */, ); name = Products; sourceTree = ""; @@ -90,6 +88,8 @@ 83F97B6628600F9300A70B97 /* ThirdParty */ = { isa = PBXGroup; children = ( + 83B73B612D8FC0A900A57F08 /* minimp3.h */, + 83B73B622D8FC0A900A57F08 /* minimp3_ex.h */, 83F97B6728600F9300A70B97 /* CVbriHeader.c */, 83F97B6828600F9300A70B97 /* CVbriHeader.h */, ); @@ -99,9 +99,9 @@ /* End PBXGroup section */ /* Begin PBXNativeTarget section */ - 8372C92227C785BD00E250C9 /* MAD */ = { + 8372C92227C785BD00E250C9 /* minimp3 */ = { isa = PBXNativeTarget; - buildConfigurationList = 8372C92727C785BD00E250C9 /* Build configuration list for PBXNativeTarget "MAD" */; + buildConfigurationList = 8372C92727C785BD00E250C9 /* Build configuration list for PBXNativeTarget "minimp3" */; buildPhases = ( 8372C91F27C785BD00E250C9 /* Sources */, 8372C92027C785BD00E250C9 /* Frameworks */, @@ -111,9 +111,9 @@ ); dependencies = ( ); - name = MAD; + name = minimp3; productName = MAD; - productReference = 8372C92327C785BD00E250C9 /* MAD.bundle */; + productReference = 8372C92327C785BD00E250C9 /* minimp3.bundle */; productType = "com.apple.product-type.bundle"; }; /* End PBXNativeTarget section */ @@ -130,7 +130,7 @@ }; }; }; - buildConfigurationList = 8372C91E27C785BD00E250C9 /* Build configuration list for PBXProject "MAD" */; + buildConfigurationList = 8372C91E27C785BD00E250C9 /* Build configuration list for PBXProject "minimp3" */; compatibilityVersion = "Xcode 13.0"; developmentRegion = en; hasScannedForEncodings = 0; @@ -143,7 +143,7 @@ projectDirPath = ""; projectRoot = ""; targets = ( - 8372C92227C785BD00E250C9 /* MAD */, + 8372C92227C785BD00E250C9 /* minimp3 */, ); }; /* End PBXProject section */ @@ -163,7 +163,7 @@ isa = PBXSourcesBuildPhase; buildActionMask = 2147483647; files = ( - 8372C93527C7861300E250C9 /* MADDecoder.m in Sources */, + 8372C93527C7861300E250C9 /* MP3Decoder.m in Sources */, 83F97B6928600F9300A70B97 /* CVbriHeader.c in Sources */, ); runOnlyForDeploymentPostprocessing = 0; @@ -351,7 +351,7 @@ /* End XCBuildConfiguration section */ /* Begin XCConfigurationList section */ - 8372C91E27C785BD00E250C9 /* Build configuration list for PBXProject "MAD" */ = { + 8372C91E27C785BD00E250C9 /* Build configuration list for PBXProject "minimp3" */ = { isa = XCConfigurationList; buildConfigurations = ( 8372C92527C785BD00E250C9 /* Debug */, @@ -360,7 +360,7 @@ defaultConfigurationIsVisible = 0; defaultConfigurationName = Release; }; - 8372C92727C785BD00E250C9 /* Build configuration list for PBXNativeTarget "MAD" */ = { + 8372C92727C785BD00E250C9 /* Build configuration list for PBXNativeTarget "minimp3" */ = { isa = XCConfigurationList; buildConfigurations = ( 8372C92827C785BD00E250C9 /* Debug */, diff --git a/Plugins/MAD/MAD.xcodeproj/xcshareddata/xcschemes/MAD.xcscheme b/Plugins/minimp3/minimp3.xcodeproj/xcshareddata/xcschemes/MAD.xcscheme similarity index 100% rename from Plugins/MAD/MAD.xcodeproj/xcshareddata/xcschemes/MAD.xcscheme rename to Plugins/minimp3/minimp3.xcodeproj/xcshareddata/xcschemes/MAD.xcscheme diff --git a/ThirdParty/libmad/README.md b/ThirdParty/libmad/README.md deleted file mode 100644 index 8e6dbd2e8..000000000 --- a/ThirdParty/libmad/README.md +++ /dev/null @@ -1,12 +0,0 @@ -Built with the Homebrew defaults, sort of: - -``` -touch NEWS -touch AUTHORS -touch ChangeLog -autoreconf -fiv -./configure --disable-debugging --enable-fpm=64bit -make -j8 CFLAGS="-Os -arch x86_64 -arch arm64 -mmacosx-version-min=10.12" LDFLAGS="-arch x86_64 -arch arm64 -mmacosx-version-min=10.12" -``` - -Version 0.15.1b was used. diff --git a/ThirdParty/libmad/include/MAD/mad.h b/ThirdParty/libmad/include/MAD/mad.h deleted file mode 100644 index 9a449cd47..000000000 --- a/ThirdParty/libmad/include/MAD/mad.h +++ /dev/null @@ -1,964 +0,0 @@ -/* - * libmad - MPEG audio decoder library - * Copyright (C) 2000-2004 Underbit Technologies, Inc. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - * - * If you would like to negotiate alternate licensing terms, you may do - * so by contacting: Underbit Technologies, Inc. - */ - -# ifdef __cplusplus -extern "C" { -# endif - -# define FPM_64BIT - - - -# define SIZEOF_INT 4 -# define SIZEOF_LONG 8 -# define SIZEOF_LONG_LONG 8 - - -/* Id: version.h,v 1.26 2004/01/23 09:41:33 rob Exp */ - -# ifndef LIBMAD_VERSION_H -# define LIBMAD_VERSION_H - -# define MAD_VERSION_MAJOR 0 -# define MAD_VERSION_MINOR 15 -# define MAD_VERSION_PATCH 1 -# define MAD_VERSION_EXTRA " (beta)" - -# define MAD_VERSION_STRINGIZE(str) #str -# define MAD_VERSION_STRING(num) MAD_VERSION_STRINGIZE(num) - -# define MAD_VERSION MAD_VERSION_STRING(MAD_VERSION_MAJOR) "." \ - MAD_VERSION_STRING(MAD_VERSION_MINOR) "." \ - MAD_VERSION_STRING(MAD_VERSION_PATCH) \ - MAD_VERSION_EXTRA - -# define MAD_PUBLISHYEAR "2000-2004" -# define MAD_AUTHOR "Underbit Technologies, Inc." -# define MAD_EMAIL "info@underbit.com" - -extern char const mad_version[]; -extern char const mad_copyright[]; -extern char const mad_author[]; -extern char const mad_build[]; - -# endif - -/* Id: fixed.h,v 1.38 2004/02/17 02:02:03 rob Exp */ - -# ifndef LIBMAD_FIXED_H -# define LIBMAD_FIXED_H - -# if SIZEOF_INT >= 4 -typedef signed int mad_fixed_t; - -typedef signed int mad_fixed64hi_t; -typedef unsigned int mad_fixed64lo_t; -# else -typedef signed long mad_fixed_t; - -typedef signed long mad_fixed64hi_t; -typedef unsigned long mad_fixed64lo_t; -# endif - -# if defined(_MSC_VER) -# define mad_fixed64_t signed __int64 -# elif 1 || defined(__GNUC__) -# define mad_fixed64_t signed long long -# endif - -# if defined(FPM_FLOAT) -typedef double mad_sample_t; -# else -typedef mad_fixed_t mad_sample_t; -# endif - -/* - * Fixed-point format: 0xABBBBBBB - * A == whole part (sign + 3 bits) - * B == fractional part (28 bits) - * - * Values are signed two's complement, so the effective range is: - * 0x80000000 to 0x7fffffff - * -8.0 to +7.9999999962747097015380859375 - * - * The smallest representable value is: - * 0x00000001 == 0.0000000037252902984619140625 (i.e. about 3.725e-9) - * - * 28 bits of fractional accuracy represent about - * 8.6 digits of decimal accuracy. - * - * Fixed-point numbers can be added or subtracted as normal - * integers, but multiplication requires shifting the 64-bit result - * from 56 fractional bits back to 28 (and rounding.) - * - * Changing the definition of MAD_F_FRACBITS is only partially - * supported, and must be done with care. - */ - -# define MAD_F_FRACBITS 28 - -# if MAD_F_FRACBITS == 28 -# define MAD_F(x) ((mad_fixed_t) (x##L)) -# else -# if MAD_F_FRACBITS < 28 -# warning "MAD_F_FRACBITS < 28" -# define MAD_F(x) ((mad_fixed_t) \ - (((x##L) + \ - (1L << (28 - MAD_F_FRACBITS - 1))) >> \ - (28 - MAD_F_FRACBITS))) -# elif MAD_F_FRACBITS > 28 -# error "MAD_F_FRACBITS > 28 not currently supported" -# define MAD_F(x) ((mad_fixed_t) \ - ((x##L) << (MAD_F_FRACBITS - 28))) -# endif -# endif - -# define MAD_F_MIN ((mad_fixed_t) -0x80000000L) -# define MAD_F_MAX ((mad_fixed_t) +0x7fffffffL) - -# define MAD_F_ONE MAD_F(0x10000000) - -# define mad_f_tofixed(x) ((mad_fixed_t) \ - ((x) * (double) (1L << MAD_F_FRACBITS) + 0.5)) -# define mad_f_todouble(x) ((double) \ - ((x) / (double) (1L << MAD_F_FRACBITS))) - -# define mad_f_intpart(x) ((x) >> MAD_F_FRACBITS) -# define mad_f_fracpart(x) ((x) & ((1L << MAD_F_FRACBITS) - 1)) - /* (x should be positive) */ - -# define mad_f_fromint(x) ((x) << MAD_F_FRACBITS) - -# define mad_f_add(x, y) ((x) + (y)) -# define mad_f_sub(x, y) ((x) - (y)) - -# if defined(FPM_FLOAT) -# error "FPM_FLOAT not yet supported" - -# undef MAD_F -# define MAD_F(x) mad_f_todouble(x) - -# define mad_f_mul(x, y) ((x) * (y)) -# define mad_f_scale64 - -# undef ASO_ZEROCHECK - -# elif defined(FPM_64BIT) - -/* - * This version should be the most accurate if 64-bit types are supported by - * the compiler, although it may not be the most efficient. - */ -# if defined(OPT_ACCURACY) -# define mad_f_mul(x, y) \ - ((mad_fixed_t) \ - ((((mad_fixed64_t) (x) * (y)) + \ - (1L << (MAD_F_SCALEBITS - 1))) >> MAD_F_SCALEBITS)) -# else -# define mad_f_mul(x, y) \ - ((mad_fixed_t) (((mad_fixed64_t) (x) * (y)) >> MAD_F_SCALEBITS)) -# endif - -# define MAD_F_SCALEBITS MAD_F_FRACBITS - -/* --- Intel --------------------------------------------------------------- */ - -# elif defined(FPM_INTEL) - -# if defined(_MSC_VER) -# pragma warning(push) -# pragma warning(disable: 4035) /* no return value */ -static __forceinline -mad_fixed_t mad_f_mul_inline(mad_fixed_t x, mad_fixed_t y) -{ - enum { - fracbits = MAD_F_FRACBITS - }; - - __asm { - mov eax, x - imul y - shrd eax, edx, fracbits - } - - /* implicit return of eax */ -} -# pragma warning(pop) - -# define mad_f_mul mad_f_mul_inline -# define mad_f_scale64 -# else -/* - * This Intel version is fast and accurate; the disposition of the least - * significant bit depends on OPT_ACCURACY via mad_f_scale64(). - */ -# define MAD_F_MLX(hi, lo, x, y) \ - asm ("imull %3" \ - : "=a" (lo), "=d" (hi) \ - : "%a" (x), "rm" (y) \ - : "cc") - -# if defined(OPT_ACCURACY) -/* - * This gives best accuracy but is not very fast. - */ -# define MAD_F_MLA(hi, lo, x, y) \ - ({ mad_fixed64hi_t __hi; \ - mad_fixed64lo_t __lo; \ - MAD_F_MLX(__hi, __lo, (x), (y)); \ - asm ("addl %2,%0\n\t" \ - "adcl %3,%1" \ - : "=rm" (lo), "=rm" (hi) \ - : "r" (__lo), "r" (__hi), "0" (lo), "1" (hi) \ - : "cc"); \ - }) -# endif /* OPT_ACCURACY */ - -# if defined(OPT_ACCURACY) -/* - * Surprisingly, this is faster than SHRD followed by ADC. - */ -# define mad_f_scale64(hi, lo) \ - ({ mad_fixed64hi_t __hi_; \ - mad_fixed64lo_t __lo_; \ - mad_fixed_t __result; \ - asm ("addl %4,%2\n\t" \ - "adcl %5,%3" \ - : "=rm" (__lo_), "=rm" (__hi_) \ - : "0" (lo), "1" (hi), \ - "ir" (1L << (MAD_F_SCALEBITS - 1)), "ir" (0) \ - : "cc"); \ - asm ("shrdl %3,%2,%1" \ - : "=rm" (__result) \ - : "0" (__lo_), "r" (__hi_), "I" (MAD_F_SCALEBITS) \ - : "cc"); \ - __result; \ - }) -# elif defined(OPT_INTEL) -/* - * Alternate Intel scaling that may or may not perform better. - */ -# define mad_f_scale64(hi, lo) \ - ({ mad_fixed_t __result; \ - asm ("shrl %3,%1\n\t" \ - "shll %4,%2\n\t" \ - "orl %2,%1" \ - : "=rm" (__result) \ - : "0" (lo), "r" (hi), \ - "I" (MAD_F_SCALEBITS), "I" (32 - MAD_F_SCALEBITS) \ - : "cc"); \ - __result; \ - }) -# else -# define mad_f_scale64(hi, lo) \ - ({ mad_fixed_t __result; \ - asm ("shrdl %3,%2,%1" \ - : "=rm" (__result) \ - : "0" (lo), "r" (hi), "I" (MAD_F_SCALEBITS) \ - : "cc"); \ - __result; \ - }) -# endif /* OPT_ACCURACY */ - -# define MAD_F_SCALEBITS MAD_F_FRACBITS -# endif - -/* --- ARM ----------------------------------------------------------------- */ - -# elif defined(FPM_ARM) - -/* - * This ARM V4 version is as accurate as FPM_64BIT but much faster. The - * least significant bit is properly rounded at no CPU cycle cost! - */ -# if 1 -/* - * This is faster than the default implementation via MAD_F_MLX() and - * mad_f_scale64(). - */ -# define mad_f_mul(x, y) \ - ({ mad_fixed64hi_t __hi; \ - mad_fixed64lo_t __lo; \ - mad_fixed_t __result; \ - asm ("smull %0, %1, %3, %4\n\t" \ - "movs %0, %0, lsr %5\n\t" \ - "adc %2, %0, %1, lsl %6" \ - : "=&r" (__lo), "=&r" (__hi), "=r" (__result) \ - : "%r" (x), "r" (y), \ - "M" (MAD_F_SCALEBITS), "M" (32 - MAD_F_SCALEBITS) \ - : "cc"); \ - __result; \ - }) -# endif - -# define MAD_F_MLX(hi, lo, x, y) \ - asm ("smull %0, %1, %2, %3" \ - : "=&r" (lo), "=&r" (hi) \ - : "%r" (x), "r" (y)) - -# define MAD_F_MLA(hi, lo, x, y) \ - asm ("smlal %0, %1, %2, %3" \ - : "+r" (lo), "+r" (hi) \ - : "%r" (x), "r" (y)) - -# define MAD_F_MLN(hi, lo) \ - asm ("rsbs %0, %2, #0\n\t" \ - "rsc %1, %3, #0" \ - : "=r" (lo), "=r" (hi) \ - : "0" (lo), "1" (hi) \ - : "cc") - -# define mad_f_scale64(hi, lo) \ - ({ mad_fixed_t __result; \ - asm ("movs %0, %1, lsr %3\n\t" \ - "adc %0, %0, %2, lsl %4" \ - : "=&r" (__result) \ - : "r" (lo), "r" (hi), \ - "M" (MAD_F_SCALEBITS), "M" (32 - MAD_F_SCALEBITS) \ - : "cc"); \ - __result; \ - }) - -# define MAD_F_SCALEBITS MAD_F_FRACBITS - -/* --- MIPS ---------------------------------------------------------------- */ - -# elif defined(FPM_MIPS) - -/* - * This MIPS version is fast and accurate; the disposition of the least - * significant bit depends on OPT_ACCURACY via mad_f_scale64(). - */ -# define MAD_F_MLX(hi, lo, x, y) \ - asm ("mult %2,%3" \ - : "=l" (lo), "=h" (hi) \ - : "%r" (x), "r" (y)) - -# if defined(HAVE_MADD_ASM) -# define MAD_F_MLA(hi, lo, x, y) \ - asm ("madd %2,%3" \ - : "+l" (lo), "+h" (hi) \ - : "%r" (x), "r" (y)) -# elif defined(HAVE_MADD16_ASM) -/* - * This loses significant accuracy due to the 16-bit integer limit in the - * multiply/accumulate instruction. - */ -# define MAD_F_ML0(hi, lo, x, y) \ - asm ("mult %2,%3" \ - : "=l" (lo), "=h" (hi) \ - : "%r" ((x) >> 12), "r" ((y) >> 16)) -# define MAD_F_MLA(hi, lo, x, y) \ - asm ("madd16 %2,%3" \ - : "+l" (lo), "+h" (hi) \ - : "%r" ((x) >> 12), "r" ((y) >> 16)) -# define MAD_F_MLZ(hi, lo) ((mad_fixed_t) (lo)) -# endif - -# if defined(OPT_SPEED) -# define mad_f_scale64(hi, lo) \ - ((mad_fixed_t) ((hi) << (32 - MAD_F_SCALEBITS))) -# define MAD_F_SCALEBITS MAD_F_FRACBITS -# endif - -/* --- SPARC --------------------------------------------------------------- */ - -# elif defined(FPM_SPARC) - -/* - * This SPARC V8 version is fast and accurate; the disposition of the least - * significant bit depends on OPT_ACCURACY via mad_f_scale64(). - */ -# define MAD_F_MLX(hi, lo, x, y) \ - asm ("smul %2, %3, %0\n\t" \ - "rd %%y, %1" \ - : "=r" (lo), "=r" (hi) \ - : "%r" (x), "rI" (y)) - -/* --- PowerPC ------------------------------------------------------------- */ - -# elif defined(FPM_PPC) - -/* - * This PowerPC version is fast and accurate; the disposition of the least - * significant bit depends on OPT_ACCURACY via mad_f_scale64(). - */ -# define MAD_F_MLX(hi, lo, x, y) \ - do { \ - asm ("mullw %0,%1,%2" \ - : "=r" (lo) \ - : "%r" (x), "r" (y)); \ - asm ("mulhw %0,%1,%2" \ - : "=r" (hi) \ - : "%r" (x), "r" (y)); \ - } \ - while (0) - -# if defined(OPT_ACCURACY) -/* - * This gives best accuracy but is not very fast. - */ -# define MAD_F_MLA(hi, lo, x, y) \ - ({ mad_fixed64hi_t __hi; \ - mad_fixed64lo_t __lo; \ - MAD_F_MLX(__hi, __lo, (x), (y)); \ - asm ("addc %0,%2,%3\n\t" \ - "adde %1,%4,%5" \ - : "=r" (lo), "=r" (hi) \ - : "%r" (lo), "r" (__lo), \ - "%r" (hi), "r" (__hi) \ - : "xer"); \ - }) -# endif - -# if defined(OPT_ACCURACY) -/* - * This is slower than the truncating version below it. - */ -# define mad_f_scale64(hi, lo) \ - ({ mad_fixed_t __result, __round; \ - asm ("rotrwi %0,%1,%2" \ - : "=r" (__result) \ - : "r" (lo), "i" (MAD_F_SCALEBITS)); \ - asm ("extrwi %0,%1,1,0" \ - : "=r" (__round) \ - : "r" (__result)); \ - asm ("insrwi %0,%1,%2,0" \ - : "+r" (__result) \ - : "r" (hi), "i" (MAD_F_SCALEBITS)); \ - asm ("add %0,%1,%2" \ - : "=r" (__result) \ - : "%r" (__result), "r" (__round)); \ - __result; \ - }) -# else -# define mad_f_scale64(hi, lo) \ - ({ mad_fixed_t __result; \ - asm ("rotrwi %0,%1,%2" \ - : "=r" (__result) \ - : "r" (lo), "i" (MAD_F_SCALEBITS)); \ - asm ("insrwi %0,%1,%2,0" \ - : "+r" (__result) \ - : "r" (hi), "i" (MAD_F_SCALEBITS)); \ - __result; \ - }) -# endif - -# define MAD_F_SCALEBITS MAD_F_FRACBITS - -/* --- Default ------------------------------------------------------------- */ - -# elif defined(FPM_DEFAULT) - -/* - * This version is the most portable but it loses significant accuracy. - * Furthermore, accuracy is biased against the second argument, so care - * should be taken when ordering operands. - * - * The scale factors are constant as this is not used with SSO. - * - * Pre-rounding is required to stay within the limits of compliance. - */ -# if defined(OPT_SPEED) -# define mad_f_mul(x, y) (((x) >> 12) * ((y) >> 16)) -# else -# define mad_f_mul(x, y) ((((x) + (1L << 11)) >> 12) * \ - (((y) + (1L << 15)) >> 16)) -# endif - -/* ------------------------------------------------------------------------- */ - -# else -# error "no FPM selected" -# endif - -/* default implementations */ - -# if !defined(mad_f_mul) -# define mad_f_mul(x, y) \ - ({ register mad_fixed64hi_t __hi; \ - register mad_fixed64lo_t __lo; \ - MAD_F_MLX(__hi, __lo, (x), (y)); \ - mad_f_scale64(__hi, __lo); \ - }) -# endif - -# if !defined(MAD_F_MLA) -# define MAD_F_ML0(hi, lo, x, y) ((lo) = mad_f_mul((x), (y))) -# define MAD_F_MLA(hi, lo, x, y) ((lo) += mad_f_mul((x), (y))) -# define MAD_F_MLN(hi, lo) ((lo) = -(lo)) -# define MAD_F_MLZ(hi, lo) ((void) (hi), (mad_fixed_t) (lo)) -# endif - -# if !defined(MAD_F_ML0) -# define MAD_F_ML0(hi, lo, x, y) MAD_F_MLX((hi), (lo), (x), (y)) -# endif - -# if !defined(MAD_F_MLN) -# define MAD_F_MLN(hi, lo) ((hi) = ((lo) = -(lo)) ? ~(hi) : -(hi)) -# endif - -# if !defined(MAD_F_MLZ) -# define MAD_F_MLZ(hi, lo) mad_f_scale64((hi), (lo)) -# endif - -# if !defined(mad_f_scale64) -# if defined(OPT_ACCURACY) -# define mad_f_scale64(hi, lo) \ - ((((mad_fixed_t) \ - (((hi) << (32 - (MAD_F_SCALEBITS - 1))) | \ - ((lo) >> (MAD_F_SCALEBITS - 1)))) + 1) >> 1) -# else -# define mad_f_scale64(hi, lo) \ - ((mad_fixed_t) \ - (((hi) << (32 - MAD_F_SCALEBITS)) | \ - ((lo) >> MAD_F_SCALEBITS))) -# endif -# define MAD_F_SCALEBITS MAD_F_FRACBITS -# endif - -/* C routines */ - -mad_fixed_t mad_f_abs(mad_fixed_t); -mad_fixed_t mad_f_div(mad_fixed_t, mad_fixed_t); - -# endif - -/* Id: bit.h,v 1.12 2004/01/23 09:41:32 rob Exp */ - -# ifndef LIBMAD_BIT_H -# define LIBMAD_BIT_H - -struct mad_bitptr { - unsigned char const *byte; - unsigned short cache; - unsigned short left; -}; - -void mad_bit_init(struct mad_bitptr *, unsigned char const *); - -# define mad_bit_finish(bitptr) /* nothing */ - -unsigned int mad_bit_length(struct mad_bitptr const *, - struct mad_bitptr const *); - -# define mad_bit_bitsleft(bitptr) ((bitptr)->left) -unsigned char const *mad_bit_nextbyte(struct mad_bitptr const *); - -void mad_bit_skip(struct mad_bitptr *, unsigned int); -unsigned long mad_bit_read(struct mad_bitptr *, unsigned int); -void mad_bit_write(struct mad_bitptr *, unsigned int, unsigned long); - -unsigned short mad_bit_crc(struct mad_bitptr, unsigned int, unsigned short); - -# endif - -/* Id: timer.h,v 1.16 2004/01/23 09:41:33 rob Exp */ - -# ifndef LIBMAD_TIMER_H -# define LIBMAD_TIMER_H - -typedef struct { - signed long seconds; /* whole seconds */ - unsigned long fraction; /* 1/MAD_TIMER_RESOLUTION seconds */ -} mad_timer_t; - -extern mad_timer_t const mad_timer_zero; - -# define MAD_TIMER_RESOLUTION 352800000UL - -enum mad_units { - MAD_UNITS_HOURS = -2, - MAD_UNITS_MINUTES = -1, - MAD_UNITS_SECONDS = 0, - - /* metric units */ - - MAD_UNITS_DECISECONDS = 10, - MAD_UNITS_CENTISECONDS = 100, - MAD_UNITS_MILLISECONDS = 1000, - - /* audio sample units */ - - MAD_UNITS_8000_HZ = 8000, - MAD_UNITS_11025_HZ = 11025, - MAD_UNITS_12000_HZ = 12000, - - MAD_UNITS_16000_HZ = 16000, - MAD_UNITS_22050_HZ = 22050, - MAD_UNITS_24000_HZ = 24000, - - MAD_UNITS_32000_HZ = 32000, - MAD_UNITS_44100_HZ = 44100, - MAD_UNITS_48000_HZ = 48000, - - /* video frame/field units */ - - MAD_UNITS_24_FPS = 24, - MAD_UNITS_25_FPS = 25, - MAD_UNITS_30_FPS = 30, - MAD_UNITS_48_FPS = 48, - MAD_UNITS_50_FPS = 50, - MAD_UNITS_60_FPS = 60, - - /* CD audio frames */ - - MAD_UNITS_75_FPS = 75, - - /* video drop-frame units */ - - MAD_UNITS_23_976_FPS = -24, - MAD_UNITS_24_975_FPS = -25, - MAD_UNITS_29_97_FPS = -30, - MAD_UNITS_47_952_FPS = -48, - MAD_UNITS_49_95_FPS = -50, - MAD_UNITS_59_94_FPS = -60 -}; - -# define mad_timer_reset(timer) ((void) (*(timer) = mad_timer_zero)) - -int mad_timer_compare(mad_timer_t, mad_timer_t); - -# define mad_timer_sign(timer) mad_timer_compare((timer), mad_timer_zero) - -void mad_timer_negate(mad_timer_t *); -mad_timer_t mad_timer_abs(mad_timer_t); - -void mad_timer_set(mad_timer_t *, unsigned long, unsigned long, unsigned long); -void mad_timer_add(mad_timer_t *, mad_timer_t); -void mad_timer_multiply(mad_timer_t *, signed long); - -signed long mad_timer_count(mad_timer_t, enum mad_units); -unsigned long mad_timer_fraction(mad_timer_t, unsigned long); -void mad_timer_string(mad_timer_t, char *, char const *, - enum mad_units, enum mad_units, unsigned long); - -# endif - -/* Id: stream.h,v 1.20 2004/02/05 09:02:39 rob Exp */ - -# ifndef LIBMAD_STREAM_H -# define LIBMAD_STREAM_H - - -# define MAD_BUFFER_GUARD 8 -# define MAD_BUFFER_MDLEN (511 + 2048 + MAD_BUFFER_GUARD) - -enum mad_error { - MAD_ERROR_NONE = 0x0000, /* no error */ - - MAD_ERROR_BUFLEN = 0x0001, /* input buffer too small (or EOF) */ - MAD_ERROR_BUFPTR = 0x0002, /* invalid (null) buffer pointer */ - - MAD_ERROR_NOMEM = 0x0031, /* not enough memory */ - - MAD_ERROR_LOSTSYNC = 0x0101, /* lost synchronization */ - MAD_ERROR_BADLAYER = 0x0102, /* reserved header layer value */ - MAD_ERROR_BADBITRATE = 0x0103, /* forbidden bitrate value */ - MAD_ERROR_BADSAMPLERATE = 0x0104, /* reserved sample frequency value */ - MAD_ERROR_BADEMPHASIS = 0x0105, /* reserved emphasis value */ - - MAD_ERROR_BADCRC = 0x0201, /* CRC check failed */ - MAD_ERROR_BADBITALLOC = 0x0211, /* forbidden bit allocation value */ - MAD_ERROR_BADSCALEFACTOR = 0x0221, /* bad scalefactor index */ - MAD_ERROR_BADMODE = 0x0222, /* bad bitrate/mode combination */ - MAD_ERROR_BADFRAMELEN = 0x0231, /* bad frame length */ - MAD_ERROR_BADBIGVALUES = 0x0232, /* bad big_values count */ - MAD_ERROR_BADBLOCKTYPE = 0x0233, /* reserved block_type */ - MAD_ERROR_BADSCFSI = 0x0234, /* bad scalefactor selection info */ - MAD_ERROR_BADDATAPTR = 0x0235, /* bad main_data_begin pointer */ - MAD_ERROR_BADPART3LEN = 0x0236, /* bad audio data length */ - MAD_ERROR_BADHUFFTABLE = 0x0237, /* bad Huffman table select */ - MAD_ERROR_BADHUFFDATA = 0x0238, /* Huffman data overrun */ - MAD_ERROR_BADSTEREO = 0x0239 /* incompatible block_type for JS */ -}; - -# define MAD_RECOVERABLE(error) ((error) & 0xff00) - -struct mad_stream { - unsigned char const *buffer; /* input bitstream buffer */ - unsigned char const *bufend; /* end of buffer */ - unsigned long skiplen; /* bytes to skip before next frame */ - - int sync; /* stream sync found */ - unsigned long freerate; /* free bitrate (fixed) */ - - unsigned char const *this_frame; /* start of current frame */ - unsigned char const *next_frame; /* start of next frame */ - struct mad_bitptr ptr; /* current processing bit pointer */ - - struct mad_bitptr anc_ptr; /* ancillary bits pointer */ - unsigned int anc_bitlen; /* number of ancillary bits */ - - unsigned char (*main_data)[MAD_BUFFER_MDLEN]; - /* Layer III main_data() */ - unsigned int md_len; /* bytes in main_data */ - - int options; /* decoding options (see below) */ - enum mad_error error; /* error code (see above) */ -}; - -enum { - MAD_OPTION_IGNORECRC = 0x0001, /* ignore CRC errors */ - MAD_OPTION_HALFSAMPLERATE = 0x0002 /* generate PCM at 1/2 sample rate */ -# if 0 /* not yet implemented */ - MAD_OPTION_LEFTCHANNEL = 0x0010, /* decode left channel only */ - MAD_OPTION_RIGHTCHANNEL = 0x0020, /* decode right channel only */ - MAD_OPTION_SINGLECHANNEL = 0x0030 /* combine channels */ -# endif -}; - -void mad_stream_init(struct mad_stream *); -void mad_stream_finish(struct mad_stream *); - -# define mad_stream_options(stream, opts) \ - ((void) ((stream)->options = (opts))) - -void mad_stream_buffer(struct mad_stream *, - unsigned char const *, unsigned long); -void mad_stream_skip(struct mad_stream *, unsigned long); - -int mad_stream_sync(struct mad_stream *); - -char const *mad_stream_errorstr(struct mad_stream const *); - -# endif - -/* Id: frame.h,v 1.20 2004/01/23 09:41:32 rob Exp */ - -# ifndef LIBMAD_FRAME_H -# define LIBMAD_FRAME_H - - -enum mad_layer { - MAD_LAYER_I = 1, /* Layer I */ - MAD_LAYER_II = 2, /* Layer II */ - MAD_LAYER_III = 3 /* Layer III */ -}; - -enum mad_mode { - MAD_MODE_SINGLE_CHANNEL = 0, /* single channel */ - MAD_MODE_DUAL_CHANNEL = 1, /* dual channel */ - MAD_MODE_JOINT_STEREO = 2, /* joint (MS/intensity) stereo */ - MAD_MODE_STEREO = 3 /* normal LR stereo */ -}; - -enum mad_emphasis { - MAD_EMPHASIS_NONE = 0, /* no emphasis */ - MAD_EMPHASIS_50_15_US = 1, /* 50/15 microseconds emphasis */ - MAD_EMPHASIS_CCITT_J_17 = 3, /* CCITT J.17 emphasis */ - MAD_EMPHASIS_RESERVED = 2 /* unknown emphasis */ -}; - -struct mad_header { - enum mad_layer layer; /* audio layer (1, 2, or 3) */ - enum mad_mode mode; /* channel mode (see above) */ - int mode_extension; /* additional mode info */ - enum mad_emphasis emphasis; /* de-emphasis to use (see above) */ - - unsigned long bitrate; /* stream bitrate (bps) */ - unsigned int samplerate; /* sampling frequency (Hz) */ - - unsigned short crc_check; /* frame CRC accumulator */ - unsigned short crc_target; /* final target CRC checksum */ - - int flags; /* flags (see below) */ - int private_bits; /* private bits (see below) */ - - mad_timer_t duration; /* audio playing time of frame */ -}; - -struct mad_frame { - struct mad_header header; /* MPEG audio header */ - - int options; /* decoding options (from stream) */ - - mad_fixed_t sbsample[2][36][32]; /* synthesis subband filter samples */ - mad_fixed_t (*overlap)[2][32][18]; /* Layer III block overlap data */ -}; - -# define MAD_NCHANNELS(header) ((header)->mode ? 2 : 1) -# define MAD_NSBSAMPLES(header) \ - ((header)->layer == MAD_LAYER_I ? 12 : \ - (((header)->layer == MAD_LAYER_III && \ - ((header)->flags & MAD_FLAG_LSF_EXT)) ? 18 : 36)) - -enum { - MAD_FLAG_NPRIVATE_III = 0x0007, /* number of Layer III private bits */ - MAD_FLAG_INCOMPLETE = 0x0008, /* header but not data is decoded */ - - MAD_FLAG_PROTECTION = 0x0010, /* frame has CRC protection */ - MAD_FLAG_COPYRIGHT = 0x0020, /* frame is copyright */ - MAD_FLAG_ORIGINAL = 0x0040, /* frame is original (else copy) */ - MAD_FLAG_PADDING = 0x0080, /* frame has additional slot */ - - MAD_FLAG_I_STEREO = 0x0100, /* uses intensity joint stereo */ - MAD_FLAG_MS_STEREO = 0x0200, /* uses middle/side joint stereo */ - MAD_FLAG_FREEFORMAT = 0x0400, /* uses free format bitrate */ - - MAD_FLAG_LSF_EXT = 0x1000, /* lower sampling freq. extension */ - MAD_FLAG_MC_EXT = 0x2000, /* multichannel audio extension */ - MAD_FLAG_MPEG_2_5_EXT = 0x4000 /* MPEG 2.5 (unofficial) extension */ -}; - -enum { - MAD_PRIVATE_HEADER = 0x0100, /* header private bit */ - MAD_PRIVATE_III = 0x001f /* Layer III private bits (up to 5) */ -}; - -void mad_header_init(struct mad_header *); - -# define mad_header_finish(header) /* nothing */ - -int mad_header_decode(struct mad_header *, struct mad_stream *); - -void mad_frame_init(struct mad_frame *); -void mad_frame_finish(struct mad_frame *); - -int mad_frame_decode(struct mad_frame *, struct mad_stream *); - -void mad_frame_mute(struct mad_frame *); - -# endif - -/* Id: synth.h,v 1.15 2004/01/23 09:41:33 rob Exp */ - -# ifndef LIBMAD_SYNTH_H -# define LIBMAD_SYNTH_H - - -struct mad_pcm { - unsigned int samplerate; /* sampling frequency (Hz) */ - unsigned short channels; /* number of channels */ - unsigned short length; /* number of samples per channel */ - mad_fixed_t samples[2][1152]; /* PCM output samples [ch][sample] */ -}; - -struct mad_synth { - mad_fixed_t filter[2][2][2][16][8]; /* polyphase filterbank outputs */ - /* [ch][eo][peo][s][v] */ - - unsigned int phase; /* current processing phase */ - - struct mad_pcm pcm; /* PCM output */ -}; - -/* single channel PCM selector */ -enum { - MAD_PCM_CHANNEL_SINGLE = 0 -}; - -/* dual channel PCM selector */ -enum { - MAD_PCM_CHANNEL_DUAL_1 = 0, - MAD_PCM_CHANNEL_DUAL_2 = 1 -}; - -/* stereo PCM selector */ -enum { - MAD_PCM_CHANNEL_STEREO_LEFT = 0, - MAD_PCM_CHANNEL_STEREO_RIGHT = 1 -}; - -void mad_synth_init(struct mad_synth *); - -# define mad_synth_finish(synth) /* nothing */ - -void mad_synth_mute(struct mad_synth *); - -void mad_synth_frame(struct mad_synth *, struct mad_frame const *); - -# endif - -/* Id: decoder.h,v 1.17 2004/01/23 09:41:32 rob Exp */ - -# ifndef LIBMAD_DECODER_H -# define LIBMAD_DECODER_H - - -enum mad_decoder_mode { - MAD_DECODER_MODE_SYNC = 0, - MAD_DECODER_MODE_ASYNC -}; - -enum mad_flow { - MAD_FLOW_CONTINUE = 0x0000, /* continue normally */ - MAD_FLOW_STOP = 0x0010, /* stop decoding normally */ - MAD_FLOW_BREAK = 0x0011, /* stop decoding and signal an error */ - MAD_FLOW_IGNORE = 0x0020 /* ignore the current frame */ -}; - -struct mad_decoder { - enum mad_decoder_mode mode; - - int options; - - struct { - long pid; - int in; - int out; - } async; - - struct { - struct mad_stream stream; - struct mad_frame frame; - struct mad_synth synth; - } *sync; - - void *cb_data; - - enum mad_flow (*input_func)(void *, struct mad_stream *); - enum mad_flow (*header_func)(void *, struct mad_header const *); - enum mad_flow (*filter_func)(void *, - struct mad_stream const *, struct mad_frame *); - enum mad_flow (*output_func)(void *, - struct mad_header const *, struct mad_pcm *); - enum mad_flow (*error_func)(void *, struct mad_stream *, struct mad_frame *); - enum mad_flow (*message_func)(void *, void *, unsigned int *); -}; - -void mad_decoder_init(struct mad_decoder *, void *, - enum mad_flow (*)(void *, struct mad_stream *), - enum mad_flow (*)(void *, struct mad_header const *), - enum mad_flow (*)(void *, - struct mad_stream const *, - struct mad_frame *), - enum mad_flow (*)(void *, - struct mad_header const *, - struct mad_pcm *), - enum mad_flow (*)(void *, - struct mad_stream *, - struct mad_frame *), - enum mad_flow (*)(void *, void *, unsigned int *)); -int mad_decoder_finish(struct mad_decoder *); - -# define mad_decoder_options(decoder, opts) \ - ((void) ((decoder)->options = (opts))) - -int mad_decoder_run(struct mad_decoder *, enum mad_decoder_mode); -int mad_decoder_message(struct mad_decoder *, void *, unsigned int *); - -# endif - -# ifdef __cplusplus -} -# endif diff --git a/ThirdParty/libraries-debug-overlay.tar.xz b/ThirdParty/libraries-debug-overlay.tar.xz index aa6bae347..622526c5e 100644 Binary files a/ThirdParty/libraries-debug-overlay.tar.xz and b/ThirdParty/libraries-debug-overlay.tar.xz differ diff --git a/ThirdParty/libraries.tar.xz b/ThirdParty/libraries.tar.xz index 23138970b..a7efb59a6 100644 Binary files a/ThirdParty/libraries.tar.xz and b/ThirdParty/libraries.tar.xz differ