/* ** Copyright (C) 1999-2004 Erik de Castro Lopo ** ** This program is free software; you can redistribute it and/or modify ** it under the terms of the GNU Lesser General Public License as published by ** the Free Software Foundation; either version 2.1 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 Lesser General Public License for more details. ** ** You should have received a copy of the GNU Lesser 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. */ #include "config.h" #include #include #include #include #include #include "sndfile.h" #include "sfendian.h" #include "common.h" /*------------------------------------------------------------------------------ * Macros to handle big/little endian issues. */ #define FORM_MARKER (MAKE_MARKER ('F', 'O', 'R', 'M')) #define AIFF_MARKER (MAKE_MARKER ('A', 'I', 'F', 'F')) #define AIFC_MARKER (MAKE_MARKER ('A', 'I', 'F', 'C')) #define COMM_MARKER (MAKE_MARKER ('C', 'O', 'M', 'M')) #define SSND_MARKER (MAKE_MARKER ('S', 'S', 'N', 'D')) #define MARK_MARKER (MAKE_MARKER ('M', 'A', 'R', 'K')) #define INST_MARKER (MAKE_MARKER ('I', 'N', 'S', 'T')) #define APPL_MARKER (MAKE_MARKER ('A', 'P', 'P', 'L')) #define c_MARKER (MAKE_MARKER ('(', 'c', ')', ' ')) #define NAME_MARKER (MAKE_MARKER ('N', 'A', 'M', 'E')) #define AUTH_MARKER (MAKE_MARKER ('A', 'U', 'T', 'H')) #define ANNO_MARKER (MAKE_MARKER ('A', 'N', 'N', 'O')) #define COMT_MARKER (MAKE_MARKER ('C', 'O', 'M', 'T')) #define FVER_MARKER (MAKE_MARKER ('F', 'V', 'E', 'R')) #define SFX_MARKER (MAKE_MARKER ('S', 'F', 'X', '!')) #define PEAK_MARKER (MAKE_MARKER ('P', 'E', 'A', 'K')) #define basc_MARKER (MAKE_MARKER ('b', 'a', 's', 'c')) /* Supported AIFC encodings.*/ #define NONE_MARKER (MAKE_MARKER ('N', 'O', 'N', 'E')) #define sowt_MARKER (MAKE_MARKER ('s', 'o', 'w', 't')) #define twos_MARKER (MAKE_MARKER ('t', 'w', 'o', 's')) #define raw_MARKER (MAKE_MARKER ('r', 'a', 'w', ' ')) #define in32_MARKER (MAKE_MARKER ('i', 'n', '3', '2')) #define ni32_MARKER (MAKE_MARKER ('2', '3', 'n', 'i')) #define fl32_MARKER (MAKE_MARKER ('f', 'l', '3', '2')) #define FL32_MARKER (MAKE_MARKER ('F', 'L', '3', '2')) #define fl64_MARKER (MAKE_MARKER ('f', 'l', '6', '4')) #define FL64_MARKER (MAKE_MARKER ('F', 'L', '6', '4')) #define ulaw_MARKER (MAKE_MARKER ('u', 'l', 'a', 'w')) #define ULAW_MARKER (MAKE_MARKER ('U', 'L', 'A', 'W')) #define alaw_MARKER (MAKE_MARKER ('a', 'l', 'a', 'w')) #define ALAW_MARKER (MAKE_MARKER ('A', 'L', 'A', 'W')) #define DWVW_MARKER (MAKE_MARKER ('D', 'W', 'V', 'W')) #define GSM_MARKER (MAKE_MARKER ('G', 'S', 'M', ' ')) #define ima4_MARKER (MAKE_MARKER ('i', 'm', 'a', '4')) /* Unsupported AIFC encodings.*/ #define MAC3_MARKER (MAKE_MARKER ('M', 'A', 'C', '3')) #define MAC6_MARKER (MAKE_MARKER ('M', 'A', 'C', '6')) #define ADP4_MARKER (MAKE_MARKER ('A', 'D', 'P', '4')) /* Predfined chunk sizes. */ #define SIZEOF_AIFF_COMM 18 #define SIZEOF_AIFC_COMM_MIN 22 #define SIZEOF_AIFC_COMM 24 #define SIZEOF_SSND_CHUNK 8 #define SIZEOF_INST_CHUNK 20 /* Is it constant? */ #define SIZEOF_basc_CHUNK 0x54 #define SIZEOF_basc_CHUNK_PADDING 66 /* AIFC/IMA4 defines. */ #define AIFC_IMA4_BLOCK_LEN 34 #define AIFC_IMA4_SAMPLES_PER_BLOCK 64 /*------------------------------------------------------------------------------ * Typedefs for file chunks. */ enum { HAVE_FORM = 0x01, HAVE_AIFF = 0x02, HAVE_COMM = 0x04, HAVE_SSND = 0x08 } ; typedef struct { unsigned int size ; short numChannels ; unsigned int numSampleFrames ; short sampleSize ; unsigned char sampleRate [10] ; unsigned int encoding ; char zero_bytes [2] ; } COMM_CHUNK ; typedef struct { unsigned int offset ; unsigned int blocksize ; } SSND_CHUNK ; typedef struct { short playMode ; unsigned short beginLoop ; unsigned short endLoop ; } INST_LOOP ; typedef struct { char baseNote ; /* all notes are MIDI note numbers */ char detune ; /* cents off, only -50 to +50 are significant */ char lowNote ; char highNote ; char lowVelocity ; /* 1 to 127 */ char highVelocity ; /* 1 to 127 */ short gain ; /* in dB, 0 is normal */ INST_LOOP sustain_loop ; INST_LOOP release_loop ; } INST_CHUNK ; enum { basc_SCALE_MINOR = 1, basc_SCALE_MAJOR, basc_SCALE_NEITHER, basc_SCALE_BOTH, } ; enum { basc_TYPE_LOOP = 0, basc_TYPE_ONE_SHOT, } ; typedef struct { unsigned int version ; unsigned int numBeats ; unsigned short rootNote ; unsigned short scaleType ; unsigned short sigNumerator ; unsigned short sigDenominator ; unsigned short loopType ; char zero_bytes [SIZEOF_basc_CHUNK_PADDING] ; } basc_CHUNK ; /*------------------------------------------------------------------------------ * Private static functions. */ static int aiff_close (SF_PRIVATE *psf) ; static int tenbytefloat2int (unsigned char *bytes) ; static void uint2tenbytefloat (unsigned int num, unsigned char *bytes) ; static int aiff_read_comm_chunk (SF_PRIVATE *psf, COMM_CHUNK *comm_fmt) ; static int aiff_read_header (SF_PRIVATE *psf, COMM_CHUNK *comm_fmt) ; static int aiff_write_header (SF_PRIVATE *psf, int calc_length) ; static int aiff_write_tailer (SF_PRIVATE *psf) ; static void aiff_write_strings (SF_PRIVATE *psf, int location) ; static int aiff_command (SF_PRIVATE *psf, int command, void *data, int datasize) ; static const char *get_loop_mode_str (short mode) ; static int aiff_read_basc_chunk (SF_PRIVATE * psf) ; /*------------------------------------------------------------------------------ ** Public function. */ int aiff_open (SF_PRIVATE *psf) { COMM_CHUNK comm_fmt ; int error, subformat ; subformat = psf->sf.format & SF_FORMAT_SUBMASK ; if (psf->mode == SFM_READ || (psf->mode == SFM_RDWR && psf->filelength > 0)) { if ((error = aiff_read_header (psf, &comm_fmt))) return error ; psf_fseek (psf, psf->dataoffset, SEEK_SET) ; } ; if (psf->mode == SFM_WRITE || psf->mode == SFM_RDWR) { if (psf->is_pipe) return SFE_NO_PIPE_WRITE ; if ((psf->sf.format & SF_FORMAT_TYPEMASK) != SF_FORMAT_AIFF) return SFE_BAD_OPEN_FORMAT ; if (psf->mode == SFM_WRITE && (subformat == SF_FORMAT_FLOAT || subformat == SF_FORMAT_DOUBLE)) { psf->pchunk = calloc (1, sizeof (PEAK_CHUNK) * psf->sf.channels * sizeof (PEAK_POS)) ; if (psf->pchunk == NULL) return SFE_MALLOC_FAILED ; psf->has_peak = SF_TRUE ; psf->peak_loc = SF_PEAK_START ; } ; if (psf->mode != SFM_RDWR || psf->filelength < 40) { psf->filelength = 0 ; psf->datalength = 0 ; psf->dataoffset = 0 ; psf->sf.frames = 0 ; } ; psf->str_flags = SF_STR_ALLOW_START | SF_STR_ALLOW_END ; if ((error = aiff_write_header (psf, SF_FALSE))) return error ; psf->write_header = aiff_write_header ; } ; psf->close = aiff_close ; psf->command = aiff_command ; psf->blockwidth = psf->sf.channels * psf->bytewidth ; switch (psf->sf.format & SF_FORMAT_SUBMASK) { case SF_FORMAT_PCM_U8 : error = pcm_init (psf) ; break ; case SF_FORMAT_PCM_S8 : error = pcm_init (psf) ; break ; case SF_FORMAT_PCM_16 : case SF_FORMAT_PCM_24 : case SF_FORMAT_PCM_32 : error = pcm_init (psf) ; break ; case SF_FORMAT_ULAW : error = ulaw_init (psf) ; break ; case SF_FORMAT_ALAW : error = alaw_init (psf) ; break ; /* Lite remove start */ case SF_FORMAT_FLOAT : error = float32_init (psf) ; break ; case SF_FORMAT_DOUBLE : error = double64_init (psf) ; break ; case SF_FORMAT_DWVW_12 : error = dwvw_init (psf, 12) ; break ; case SF_FORMAT_DWVW_16 : error = dwvw_init (psf, 16) ; break ; case SF_FORMAT_DWVW_24 : error = dwvw_init (psf, 24) ; break ; case SF_FORMAT_DWVW_N : if (psf->mode != SFM_READ) { error = SFE_DWVW_BAD_BITWIDTH ; break ; } ; if (comm_fmt.sampleSize >= 8 && comm_fmt.sampleSize < 24) { error = dwvw_init (psf, comm_fmt.sampleSize) ; psf->sf.frames = comm_fmt.numSampleFrames ; break ; } ; psf_log_printf (psf, "AIFC/DWVW : Bad bitwidth %d\n", comm_fmt.sampleSize) ; error = SFE_DWVW_BAD_BITWIDTH ; break ; case SF_FORMAT_IMA_ADPCM : /* ** IMA ADPCM encoded AIFF files always have a block length ** of 34 which decodes to 64 samples. */ error = aiff_ima_init (psf, AIFC_IMA4_BLOCK_LEN, AIFC_IMA4_SAMPLES_PER_BLOCK) ; break ; /* Lite remove end */ case SF_FORMAT_GSM610 : error = gsm610_init (psf) ; break ; default : return SFE_UNIMPLEMENTED ; } ; if (psf->mode == SFM_READ) psf->blockwidth = psf->sf.channels * psf->bytewidth ; return error ; } /* aiff_open */ /*========================================================================================== ** Private functions. */ static int aiff_read_header (SF_PRIVATE *psf, COMM_CHUNK *comm_fmt) { SSND_CHUNK ssnd_fmt ; int marker, dword, bytesread, k ; int FORMsize, SSNDsize ; int filetype, found_chunk = 0, done = 0, error = 0 ; char *cptr, byte ; /* Set position to start of file to begin reading header. */ psf_binheader_readf (psf, "p", 0) ; memset (comm_fmt, 0, sizeof (COMM_CHUNK)) ; /* Until recently AIF* file were all BIG endian. */ psf->endian = SF_ENDIAN_BIG ; /* AIFF files can apparently have their chunks in any order. However, they ** must have a FORM chunk. Approach here is to read all the chunks one by ** one and then check for the mandatory chunks at the end. */ while (! done) { psf_binheader_readf (psf, "m", &marker) ; if (psf->mode == SFM_RDWR && (found_chunk & HAVE_SSND)) return SFE_AIFF_RW_SSND_NOT_LAST ; switch (marker) { case FORM_MARKER : if (found_chunk) return SFE_AIFF_NO_FORM ; psf_binheader_readf (psf, "E4", &FORMsize) ; if (psf->fileoffset > 0 && psf->filelength > FORMsize + 8) { /* Set file length. */ psf->filelength = FORMsize + 8 ; psf_log_printf (psf, "FORM : %u\n", FORMsize) ; } else if (FORMsize != psf->filelength - 2 * SIGNED_SIZEOF (dword)) { dword = psf->filelength - 2 * sizeof (dword) ; psf_log_printf (psf, "FORM : %u (should be %u)\n", FORMsize, dword) ; FORMsize = dword ; } else psf_log_printf (psf, "FORM : %u\n", FORMsize) ; found_chunk |= HAVE_FORM ; break ; case AIFC_MARKER : case AIFF_MARKER : if (! (found_chunk & HAVE_FORM)) return SFE_AIFF_AIFF_NO_FORM ; filetype = marker ; psf_log_printf (psf, " %M\n", marker) ; found_chunk |= HAVE_AIFF ; break ; case COMM_MARKER : error = aiff_read_comm_chunk (psf, comm_fmt) ; psf->sf.samplerate = tenbytefloat2int (comm_fmt->sampleRate) ; psf->sf.frames = comm_fmt->numSampleFrames ; psf->sf.channels = comm_fmt->numChannels ; psf->bytewidth = BITWIDTH2BYTES (comm_fmt->sampleSize) ; if (error) return error ; found_chunk |= HAVE_COMM ; break ; case PEAK_MARKER : /* Must have COMM chunk before PEAK chunk. */ if ((found_chunk & (HAVE_FORM | HAVE_AIFF | HAVE_COMM)) != (HAVE_FORM | HAVE_AIFF | HAVE_COMM)) return SFE_AIFF_PEAK_B4_COMM ; psf_binheader_readf (psf, "E4", &dword) ; psf_log_printf (psf, "%M : %d\n", marker, dword) ; if (dword != SIGNED_SIZEOF (PEAK_CHUNK) + psf->sf.channels * SIGNED_SIZEOF (PEAK_POS)) { psf_binheader_readf (psf, "j", dword) ; psf_log_printf (psf, "*** File PEAK chunk bigger than sizeof (PEAK_CHUNK).\n") ; return SFE_WAV_BAD_PEAK ; } ; psf->pchunk = calloc (1, sizeof (PEAK_CHUNK) * psf->sf.channels * sizeof (PEAK_POS)) ; if (psf->pchunk == NULL) return SFE_MALLOC_FAILED ; /* read in rest of PEAK chunk. */ psf_binheader_readf (psf, "E44", &(psf->pchunk->version), &(psf->pchunk->timestamp)) ; if (psf->pchunk->version != 1) psf_log_printf (psf, " version : %d *** (should be version 1)\n", psf->pchunk->version) ; else psf_log_printf (psf, " version : %d\n", psf->pchunk->version) ; psf_log_printf (psf, " time stamp : %d\n", psf->pchunk->timestamp) ; psf_log_printf (psf, " Ch Position Value\n") ; cptr = psf->u.scbuf ; for (dword = 0 ; dword < psf->sf.channels ; dword++) { psf_binheader_readf (psf, "Ef4", &(psf->pchunk->peaks [dword].value), &(psf->pchunk->peaks [dword].position)) ; LSF_SNPRINTF (cptr, sizeof (psf->u.scbuf), " %2d %-12d %g\n", dword, psf->pchunk->peaks [dword].position, psf->pchunk->peaks [dword].value) ; cptr [sizeof (psf->u.scbuf) - 1] = 0 ; psf_log_printf (psf, cptr) ; } ; psf->has_peak = SF_TRUE ; /* Found PEAK chunk. */ break ; case SSND_MARKER : psf_binheader_readf (psf, "E444", &SSNDsize, &(ssnd_fmt.offset), &(ssnd_fmt.blocksize)) ; psf->datalength = SSNDsize - sizeof (ssnd_fmt) ; psf->dataoffset = psf_ftell (psf) ; if (psf->datalength > psf->filelength - psf->dataoffset || psf->datalength < 0) { psf_log_printf (psf, " SSND : %u (should be %D)\n", SSNDsize, psf->filelength - psf->dataoffset + sizeof (SSND_CHUNK)) ; psf->datalength = psf->filelength - psf->dataoffset ; } else psf_log_printf (psf, " SSND : %u\n", SSNDsize) ; /* Only set dataend if there really is data at the end. */ if (psf->datalength + psf->dataoffset < psf->filelength) psf->dataend = psf->datalength + psf->dataoffset ; psf_log_printf (psf, " Offset : %u\n", ssnd_fmt.offset) ; psf_log_printf (psf, " Block Size : %u\n", ssnd_fmt.blocksize) ; found_chunk |= HAVE_SSND ; if (! psf->sf.seekable) break ; /* Seek to end of SSND chunk. */ psf_fseek (psf, psf->dataoffset + psf->datalength + (SSNDsize & 1), SEEK_SET) ; break ; case c_MARKER : psf_binheader_readf (psf, "E4", &dword) ; if (dword == 0) break ; if (dword > SIGNED_SIZEOF (psf->u.scbuf) - 1) { psf_log_printf (psf, " %M : %d (too big)\n", marker, dword) ; return SFE_INTERNAL ; } ; cptr = psf->u.scbuf ; psf_binheader_readf (psf, "b", cptr, dword) ; cptr [dword] = 0 ; psf_log_printf (psf, " %M : %s\n", marker, cptr) ; psf_store_string (psf, SF_STR_COPYRIGHT, cptr) ; break ; case AUTH_MARKER : psf_binheader_readf (psf, "E4", &dword) ; dword += (dword & 1) ; if (dword == 0) break ; if (dword > SIGNED_SIZEOF (psf->u.scbuf)) { psf_log_printf (psf, " %M : %d (too big)\n", marker, dword) ; return SFE_INTERNAL ; } ; cptr = psf->u.scbuf ; psf_binheader_readf (psf, "b", cptr, dword) ; cptr [dword - 1] = 0 ; psf_log_printf (psf, " %M : %s\n", marker, cptr) ; psf_store_string (psf, SF_STR_ARTIST, cptr) ; break ; case COMT_MARKER : { unsigned short count, id, len ; unsigned int timestamp ; psf_binheader_readf (psf, "E42", &dword, &count) ; psf_log_printf (psf, " %M : %d\n count : %d\n", marker, dword, count) ; dword += (dword & 1) ; if (dword == 0) break ; for (k = 0 ; k < count ; k++) { psf_binheader_readf (psf, "E422", ×tamp, &id, &len) ; psf_log_printf (psf, " time : 0x%x\n marker : %x\n length : %d\n", timestamp, id, len) ; if (len + 1 > SIGNED_SIZEOF (psf->u.scbuf)) { psf_log_printf (psf, "\nError : string length (%d) too big.\n", len) ; return SFE_INTERNAL ; } ; cptr = psf->u.scbuf ; psf_binheader_readf (psf, "b", cptr, len) ; cptr [len] = 0 ; psf_log_printf (psf, " string : %s\n", cptr) ; } ; } ; break ; case APPL_MARKER : psf_binheader_readf (psf, "E4", &dword) ; dword += (dword & 1) ; if (dword == 0) break ; if (dword >= SIGNED_SIZEOF (psf->u.scbuf)) { psf_log_printf (psf, " %M : %d (too big, skipping)\n", marker, dword) ; psf_binheader_readf (psf, "j", dword) ; break ; } ; cptr = psf->u.scbuf ; psf_binheader_readf (psf, "b", cptr, dword) ; cptr [dword - 1] = 0 ; for (k = 0 ; k < dword ; k++) if (! isprint (cptr [k])) { cptr [k] = 0 ; break ; } ; psf_log_printf (psf, " %M : %s\n", marker, cptr) ; psf_store_string (psf, SF_STR_SOFTWARE, cptr) ; break ; case NAME_MARKER : psf_binheader_readf (psf, "E4", &dword) ; dword += (dword & 1) ; if (dword == 0) break ; if (dword > SIGNED_SIZEOF (psf->u.scbuf)) { psf_log_printf (psf, " %M : %d (too big)\n", marker, dword) ; return SFE_INTERNAL ; } ; cptr = psf->u.scbuf ; psf_binheader_readf (psf, "b", cptr, dword) ; cptr [dword - 1] = 0 ; psf_log_printf (psf, " %M : %s\n", marker, cptr) ; psf_store_string (psf, SF_STR_TITLE, cptr) ; break ; case ANNO_MARKER : psf_binheader_readf (psf, "E4", &dword) ; if (dword == 0) break ; if (dword > SIGNED_SIZEOF (psf->u.scbuf) - 1) { psf_log_printf (psf, " %M : %d (too big)\n", marker, dword) ; return SFE_INTERNAL ; } ; cptr = psf->u.scbuf ; psf_binheader_readf (psf, "b", cptr, dword) ; cptr [dword] = 0 ; psf_log_printf (psf, " %M : %s\n", marker, cptr) ; psf_store_string (psf, SF_STR_COMMENT, cptr) ; break ; case INST_MARKER : psf_binheader_readf (psf, "E4", &dword) ; if (dword != SIZEOF_INST_CHUNK) { psf_log_printf (psf, " %M : %d (should be %d)\n", marker, dword, SIZEOF_INST_CHUNK) ; psf_binheader_readf (psf, "j", dword) ; break ; } ; psf_log_printf (psf, " %M : %d\n", marker, dword) ; { unsigned char bytes [6] ; short gain ; psf_binheader_readf (psf, "b", bytes, 6) ; psf_log_printf (psf, " Base Note : %u\n Detune : %u\n" " Low Note : %u\n High Note : %u\n" " Low Vel. : %u\n High Vel. : %u\n", bytes [0], bytes [1], bytes [2], bytes [3], bytes [4], bytes [5]) ; psf_binheader_readf (psf, "E2", &gain) ; psf_log_printf (psf, " Gain (dB) : %d\n", gain) ; } ; { short mode ; /* 0 - no loop, 1 - forward looping, 2 - backward looping */ const char *loop_mode ; unsigned short begin, end ; psf_binheader_readf (psf, "E222", &mode, &begin, &end) ; loop_mode = get_loop_mode_str (mode) ; psf_log_printf (psf, " Sustain\n mode : %d => %s\n begin : %u\n end : %u\n", mode, loop_mode, begin, end) ; psf_binheader_readf (psf, "E222", &mode, &begin, &end) ; loop_mode = get_loop_mode_str (mode) ; psf_log_printf (psf, " Release\n mode : %d => %s\n begin : %u\n end : %u\n", mode, loop_mode, begin, end) ; } ; break ; case basc_MARKER : psf_binheader_readf (psf, "E4", &dword) ; if (dword != SIZEOF_basc_CHUNK) { psf_log_printf (psf, " %M : %d (should be %d)\n", marker, dword, SIZEOF_basc_CHUNK) ; psf_binheader_readf (psf, "j", dword) ; break ; } ; psf_log_printf (psf, " basc : %u\n", dword) ; if ((error = aiff_read_basc_chunk (psf))) return error ; break ; case MARK_MARKER : psf_binheader_readf (psf, "E4", &dword) ; psf_log_printf (psf, " %M : %d\n", marker, dword) ; { unsigned short mark_count, mark_id ; unsigned char pstr_len ; unsigned int position ; bytesread = psf_binheader_readf (psf, "E2", &mark_count) ; psf_log_printf (psf, " Count : %d\n", mark_count) ; while (mark_count && bytesread < dword) { bytesread += psf_binheader_readf (psf, "E241", &mark_id, &position, &pstr_len) ; psf_log_printf (psf, " Mark ID : %u\n Position : %u\n", mark_id, position) ; pstr_len += (pstr_len & 1) + 1 ; /* fudgy, fudgy, hack, hack */ bytesread += psf_binheader_readf (psf, "b", psf->u.scbuf, pstr_len) ; psf_log_printf (psf, " Name : %s\n", psf->u.scbuf) ; mark_count -- ; } ; } ; psf_binheader_readf (psf, "j", dword - bytesread) ; break ; case FVER_MARKER : case SFX_MARKER : psf_binheader_readf (psf, "E4", &dword) ; psf_log_printf (psf, " %M : %d\n", marker, dword) ; psf_binheader_readf (psf, "j", dword) ; break ; case NONE_MARKER : /* Fix for broken AIFC files with incorrect COMM chunk length. */ psf_binheader_readf (psf, "1", &byte) ; dword = byte ; psf_binheader_readf (psf, "j", dword) ; break ; default : if (isprint ((marker >> 24) & 0xFF) && isprint ((marker >> 16) & 0xFF) && isprint ((marker >> 8) & 0xFF) && isprint (marker & 0xFF)) { psf_binheader_readf (psf, "E4", &dword) ; psf_log_printf (psf, " %M : %d (unknown marker)\n", marker, dword) ; psf_binheader_readf (psf, "j", dword) ; break ; } ; if ((dword = psf_ftell (psf)) & 0x03) { psf_log_printf (psf, " Unknown chunk marker %X at position %d. Resyncing.\n", marker, dword - 4) ; psf_binheader_readf (psf, "j", -3) ; break ; } ; psf_log_printf (psf, "*** Unknown chunk marker %X at position %D. Exiting parser.\n", marker, psf_ftell (psf)) ; done = 1 ; break ; } ; /* switch (marker) */ if ((! psf->sf.seekable) && (found_chunk & HAVE_SSND)) break ; if (psf_ftell (psf) >= psf->filelength - (2 * SIGNED_SIZEOF (dword))) break ; if (psf->logindex >= SIGNED_SIZEOF (psf->logbuffer) - 2) return SFE_LOG_OVERRUN ; } ; /* while (1) */ if (! (found_chunk & HAVE_FORM)) return SFE_AIFF_NO_FORM ; if (! (found_chunk & HAVE_AIFF)) return SFE_AIFF_COMM_NO_FORM ; if (! (found_chunk & HAVE_COMM)) return SFE_AIFF_SSND_NO_COMM ; if (! psf->dataoffset) return SFE_AIFF_NO_DATA ; return 0 ; } /* aiff_read_header */ static int aiff_close (SF_PRIVATE *psf) { if (psf->mode == SFM_WRITE || psf->mode == SFM_RDWR) { aiff_write_tailer (psf) ; aiff_write_header (psf, SF_TRUE) ; } ; return 0 ; } /* aiff_close */ static int aiff_read_comm_chunk (SF_PRIVATE *psf, COMM_CHUNK *comm_fmt) { int error = 0, bytesread, subformat ; psf->u.scbuf [0] = 0 ; bytesread = psf_binheader_readf (psf, "E4", &(comm_fmt->size)) ; /* The COMM chunk has an int aligned to an odd word boundary. Some ** procesors are not able to deal with this (ie bus fault) so we have ** to take special care. */ comm_fmt->size += comm_fmt->size & 1 ; bytesread += psf_binheader_readf (psf, "E242b", &(comm_fmt->numChannels), &(comm_fmt->numSampleFrames), &(comm_fmt->sampleSize), &(comm_fmt->sampleRate), SIGNED_SIZEOF (comm_fmt->sampleRate)) ; if (comm_fmt->size == SIZEOF_AIFF_COMM) comm_fmt->encoding = NONE_MARKER ; else if (comm_fmt->size == SIZEOF_AIFC_COMM_MIN) bytesread += psf_binheader_readf (psf, "Em", &(comm_fmt->encoding)) ; else if (comm_fmt->size >= SIZEOF_AIFC_COMM) { unsigned char encoding_len ; bytesread += psf_binheader_readf (psf, "Em1", &(comm_fmt->encoding), &encoding_len) ; memset (psf->u.scbuf, 0, comm_fmt->size) ; bytesread += psf_binheader_readf (psf, "b", psf->u.scbuf, comm_fmt->size - SIZEOF_AIFC_COMM + 1) ; psf->u.scbuf [encoding_len] = 0 ; } ; psf_log_printf (psf, " COMM : %d\n", comm_fmt->size) ; psf_log_printf (psf, " Sample Rate : %d\n", tenbytefloat2int (comm_fmt->sampleRate)) ; psf_log_printf (psf, " Frames : %u%s\n", comm_fmt->numSampleFrames, (comm_fmt->numSampleFrames == 0 && psf->filelength > 100) ? " (Should not be 0)" : "") ; psf_log_printf (psf, " Channels : %d\n", comm_fmt->numChannels) ; /* Found some broken 'fl32' files with comm.samplesize == 16. Fix it here. */ if ((comm_fmt->encoding == fl32_MARKER || comm_fmt->encoding == FL32_MARKER) && comm_fmt->sampleSize != 32) { psf_log_printf (psf, " Sample Size : %d (should be 32)\n", comm_fmt->sampleSize) ; comm_fmt->sampleSize = 32 ; } else if ((comm_fmt->encoding == fl64_MARKER || comm_fmt->encoding == FL64_MARKER) && comm_fmt->sampleSize != 64) { psf_log_printf (psf, " Sample Size : %d (should be 64)\n", comm_fmt->sampleSize) ; comm_fmt->sampleSize = 64 ; } else psf_log_printf (psf, " Sample Size : %d\n", comm_fmt->sampleSize) ; subformat = s_bitwidth_to_subformat (comm_fmt->sampleSize) ; psf->endian = SF_ENDIAN_BIG ; switch (comm_fmt->encoding) { case NONE_MARKER : psf->sf.format = (SF_FORMAT_AIFF | subformat) ; break ; case twos_MARKER : case in32_MARKER : psf->sf.format = (SF_ENDIAN_BIG | SF_FORMAT_AIFF | subformat) ; break ; case sowt_MARKER : case ni32_MARKER : psf->endian = SF_ENDIAN_LITTLE ; psf->sf.format = (SF_ENDIAN_LITTLE | SF_FORMAT_AIFF | subformat) ; break ; case fl32_MARKER : case FL32_MARKER : psf->sf.format = (SF_FORMAT_AIFF | SF_FORMAT_FLOAT) ; break ; case ulaw_MARKER : case ULAW_MARKER : psf->sf.format = (SF_FORMAT_AIFF | SF_FORMAT_ULAW) ; break ; case alaw_MARKER : case ALAW_MARKER : psf->sf.format = (SF_FORMAT_AIFF | SF_FORMAT_ALAW) ; break ; case fl64_MARKER : case FL64_MARKER : psf->sf.format = (SF_FORMAT_AIFF | SF_FORMAT_DOUBLE) ; break ; case raw_MARKER : psf->sf.format = (SF_FORMAT_AIFF | SF_FORMAT_PCM_U8) ; break ; case DWVW_MARKER : psf->sf.format = SF_FORMAT_AIFF ; switch (comm_fmt->sampleSize) { case 12 : psf->sf.format |= SF_FORMAT_DWVW_12 ; break ; case 16 : psf->sf.format |= SF_FORMAT_DWVW_16 ; break ; case 24 : psf->sf.format |= SF_FORMAT_DWVW_24 ; break ; default : psf->sf.format |= SF_FORMAT_DWVW_N ; break ; } ; break ; case GSM_MARKER : psf->sf.format = SF_FORMAT_AIFF ; psf->sf.format = (SF_FORMAT_AIFF | SF_FORMAT_GSM610) ; break ; case ima4_MARKER : psf->endian = SF_ENDIAN_BIG ; psf->sf.format = (SF_FORMAT_AIFF | SF_FORMAT_IMA_ADPCM) ; break ; default : psf_log_printf (psf, "AIFC : Unimplemented format : %M\n", comm_fmt->encoding) ; error = SFE_UNIMPLEMENTED ; } ; if (! psf->u.scbuf [0]) psf_log_printf (psf, " Encoding : %M\n", comm_fmt->encoding) ; else psf_log_printf (psf, " Encoding : %M => %s\n", comm_fmt->encoding, psf->u.scbuf) ; return error ; } /* aiff_read_comm_chunk */ static int aiff_write_header (SF_PRIVATE *psf, int calc_length) { sf_count_t current ; unsigned char comm_sample_rate [10], comm_zero_bytes [2] = { 0, 0 } ; unsigned int comm_type, comm_size, comm_encoding, comm_frames ; int k, endian ; short bit_width ; current = psf_ftell (psf) ; if (calc_length) { psf->filelength = psf_get_filelen (psf) ; psf->datalength = psf->filelength - psf->dataoffset ; if (psf->dataend) psf->datalength -= psf->filelength - psf->dataend ; if (psf->bytewidth > 0) psf->sf.frames = psf->datalength / (psf->bytewidth * psf->sf.channels) ; } ; if (psf->mode == SFM_RDWR && psf->dataoffset > 0) { /* Assuming here that the header has already been written and just ** needs to be corrected for new data length. That means that we ** only change the length fields of the FORM and SSND chunks; ** everything else can be skipped over. */ /* First write new FORM chunk. */ psf->headindex = 0 ; psf_fseek (psf, 0, SEEK_SET) ; psf_binheader_writef (psf, "Etm8", FORM_MARKER, psf->filelength - 8) ; psf_fwrite (psf->header, psf->headindex, 1, psf) ; /* Now write frame count field of COMM chunk header. */ psf->headindex = 0 ; psf_fseek (psf, 22, SEEK_SET) ; psf_binheader_writef (psf, "Et8", psf->sf.frames) ; psf_fwrite (psf->header, psf->headindex, 1, psf) ; /* Now write new SSND chunk header. */ psf->headindex = 0 ; psf_fseek (psf, psf->dataoffset - 16, SEEK_SET) ; psf_binheader_writef (psf, "Etm8", SSND_MARKER, psf->datalength + SIZEOF_SSND_CHUNK) ; psf_fwrite (psf->header, psf->headindex, 1, psf) ; if (current < psf->dataoffset) psf_fseek (psf, psf->dataoffset, SEEK_SET) ; else if (current > 0) psf_fseek (psf, current, SEEK_SET) ; return 0 ; } ; endian = psf->sf.format & SF_FORMAT_ENDMASK ; if (CPU_IS_LITTLE_ENDIAN && endian == SF_ENDIAN_CPU) endian = SF_ENDIAN_LITTLE ; /* Standard value here. */ bit_width = psf->bytewidth * 8 ; comm_frames = (psf->sf.frames > 0xFFFFFFFF) ? 0xFFFFFFFF : psf->sf.frames ; switch (psf->sf.format & SF_FORMAT_SUBMASK) { case SF_FORMAT_PCM_S8 : case SF_FORMAT_PCM_16 : case SF_FORMAT_PCM_24 : case SF_FORMAT_PCM_32 : switch (endian) { case SF_ENDIAN_BIG : psf->endian = SF_ENDIAN_BIG ; comm_type = AIFC_MARKER ; comm_size = SIZEOF_AIFC_COMM ; comm_encoding = twos_MARKER ; break ; case SF_ENDIAN_LITTLE : psf->endian = SF_ENDIAN_LITTLE ; comm_type = AIFC_MARKER ; comm_size = SIZEOF_AIFC_COMM ; comm_encoding = sowt_MARKER ; break ; default : /* SF_ENDIAN_FILE */ psf->endian = SF_ENDIAN_BIG ; comm_type = AIFF_MARKER ; comm_size = SIZEOF_AIFF_COMM ; comm_encoding = 0 ; break ; } ; break ; case SF_FORMAT_FLOAT : /* Big endian floating point. */ psf->endian = SF_ENDIAN_BIG ; comm_type = AIFC_MARKER ; comm_size = SIZEOF_AIFC_COMM ; comm_encoding = FL32_MARKER ; /* Use 'FL32' because its easier to read. */ break ; case SF_FORMAT_DOUBLE : /* Big endian double precision floating point. */ psf->endian = SF_ENDIAN_BIG ; comm_type = AIFC_MARKER ; comm_size = SIZEOF_AIFC_COMM ; comm_encoding = FL64_MARKER ; /* Use 'FL64' because its easier to read. */ break ; case SF_FORMAT_ULAW : psf->endian = SF_ENDIAN_BIG ; comm_type = AIFC_MARKER ; comm_size = SIZEOF_AIFC_COMM ; comm_encoding = ulaw_MARKER ; break ; case SF_FORMAT_ALAW : psf->endian = SF_ENDIAN_BIG ; comm_type = AIFC_MARKER ; comm_size = SIZEOF_AIFC_COMM ; comm_encoding = alaw_MARKER ; break ; case SF_FORMAT_PCM_U8 : psf->endian = SF_ENDIAN_BIG ; comm_type = AIFC_MARKER ; comm_size = SIZEOF_AIFC_COMM ; comm_encoding = raw_MARKER ; break ; case SF_FORMAT_DWVW_12 : psf->endian = SF_ENDIAN_BIG ; comm_type = AIFC_MARKER ; comm_size = SIZEOF_AIFC_COMM ; comm_encoding = DWVW_MARKER ; /* Override standard value here.*/ bit_width = 12 ; break ; case SF_FORMAT_DWVW_16 : psf->endian = SF_ENDIAN_BIG ; comm_type = AIFC_MARKER ; comm_size = SIZEOF_AIFC_COMM ; comm_encoding = DWVW_MARKER ; /* Override standard value here.*/ bit_width = 16 ; break ; case SF_FORMAT_DWVW_24 : psf->endian = SF_ENDIAN_BIG ; comm_type = AIFC_MARKER ; comm_size = SIZEOF_AIFC_COMM ; comm_encoding = DWVW_MARKER ; /* Override standard value here.*/ bit_width = 24 ; break ; case SF_FORMAT_GSM610 : psf->endian = SF_ENDIAN_BIG ; comm_type = AIFC_MARKER ; comm_size = SIZEOF_AIFC_COMM ; comm_encoding = GSM_MARKER ; /* Override standard value here.*/ bit_width = 16 ; break ; case SF_FORMAT_IMA_ADPCM : psf->endian = SF_ENDIAN_BIG ; comm_type = AIFC_MARKER ; comm_size = SIZEOF_AIFC_COMM ; comm_encoding = ima4_MARKER ; /* Override standard value here.*/ bit_width = 16 ; comm_frames = psf->sf.frames / AIFC_IMA4_SAMPLES_PER_BLOCK ; break ; default : return SFE_BAD_OPEN_FORMAT ; } ; /* Reset the current header length to zero. */ psf->header [0] = 0 ; psf->headindex = 0 ; psf_fseek (psf, 0, SEEK_SET) ; psf_binheader_writef (psf, "Etm8", FORM_MARKER, psf->filelength - 8) ; /* Write COMM chunk. */ psf_binheader_writef (psf, "Emm4", comm_type, COMM_MARKER, comm_size) ; uint2tenbytefloat (psf->sf.samplerate, comm_sample_rate) ; psf_binheader_writef (psf, "Et242", psf->sf.channels, comm_frames, bit_width) ; psf_binheader_writef (psf, "b", comm_sample_rate, sizeof (comm_sample_rate)) ; /* AIFC chunks have some extra data. */ if (comm_type == AIFC_MARKER) psf_binheader_writef (psf, "mb", comm_encoding, comm_zero_bytes, sizeof (comm_zero_bytes)) ; if (psf->str_flags & SF_STR_LOCATE_START) aiff_write_strings (psf, SF_STR_LOCATE_START) ; if (psf->has_peak && psf->peak_loc == SF_PEAK_START) { psf_binheader_writef (psf, "Em4", PEAK_MARKER, sizeof (PEAK_CHUNK) + psf->sf.channels * sizeof (PEAK_POS)) ; psf_binheader_writef (psf, "E44", 1, time (NULL)) ; for (k = 0 ; k < psf->sf.channels ; k++) psf_binheader_writef (psf, "Ef4", psf->pchunk->peaks [k].value, psf->pchunk->peaks [k].position) ; /* XXXXX */ } ; /* Write SSND chunk. */ psf_binheader_writef (psf, "Etm844", SSND_MARKER, psf->datalength + SIZEOF_SSND_CHUNK, 0, 0) ; /* Header construction complete so write it out. */ psf_fwrite (psf->header, psf->headindex, 1, psf) ; if (psf->error) return psf->error ; psf->dataoffset = psf->headindex ; if (current < psf->dataoffset) psf_fseek (psf, psf->dataoffset, SEEK_SET) ; else if (current > 0) psf_fseek (psf, current, SEEK_SET) ; return psf->error ; } /* aiff_write_header */ static int aiff_write_tailer (SF_PRIVATE *psf) { int k ; /* Reset the current header length to zero. */ psf->header [0] = 0 ; psf->headindex = 0 ; psf->dataend = psf_fseek (psf, 0, SEEK_END) ; if (psf->has_peak && psf->peak_loc == SF_PEAK_END) { psf_binheader_writef (psf, "Em4", PEAK_MARKER, sizeof (PEAK_CHUNK) + psf->sf.channels * sizeof (PEAK_POS)) ; psf_binheader_writef (psf, "E44", 1, time (NULL)) ; for (k = 0 ; k < psf->sf.channels ; k++) psf_binheader_writef (psf, "Ef4", psf->pchunk->peaks [k].value, psf->pchunk->peaks [k].position) ; /* XXXXX */ } ; if (psf->str_flags & SF_STR_LOCATE_END) aiff_write_strings (psf, SF_STR_LOCATE_END) ; /* Write the tailer. */ if (psf->headindex) psf_fwrite (psf->header, psf->headindex, 1, psf) ; return 0 ; } /* aiff_write_tailer */ static void aiff_write_strings (SF_PRIVATE *psf, int location) { int k ; for (k = 0 ; k < SF_MAX_STRINGS ; k++) { if (psf->strings [k].type == 0) break ; if (psf->strings [k].flags != location) continue ; switch (psf->strings [k].type) { case SF_STR_SOFTWARE : psf_binheader_writef (psf, "Ems", APPL_MARKER, psf->strings [k].str) ; break ; case SF_STR_TITLE : psf_binheader_writef (psf, "Ems", NAME_MARKER, psf->strings [k].str) ; break ; case SF_STR_COPYRIGHT : psf_binheader_writef (psf, "Ems", c_MARKER, psf->strings [k].str) ; break ; case SF_STR_ARTIST : psf_binheader_writef (psf, "Ems", AUTH_MARKER, psf->strings [k].str) ; break ; case SF_STR_COMMENT : psf_binheader_writef (psf, "Ems", ANNO_MARKER, psf->strings [k].str) ; break ; /* case SF_STR_DATE : psf_binheader_writef (psf, "Ems", ICRD_MARKER, psf->strings [k].str) ; break ; */ } ; } ; return ; } /* aiff_write_strings */ static int aiff_command (SF_PRIVATE *psf, int command, void *data, int datasize) { /* Avoid compiler warnings. */ psf = psf ; data = data ; datasize = datasize ; switch (command) { default : break ; } ; return 0 ; } /* aiff_command */ static const char* get_loop_mode_str (short mode) { switch (mode) { case 0 : return "none" ; case 1 : return "forward" ; case 2 : return "backward" ; } ; return "*** unknown" ; } /* get_loop_mode_str */ /*========================================================================================== ** Rough hack at converting from 80 bit IEEE float in AIFF header to an int and ** back again. It assumes that all sample rates are between 1 and 800MHz, which ** should be OK as other sound file formats use a 32 bit integer to store sample ** rate. ** There is another (probably better) version in the source code to the SoX but it ** has a copyright which probably prevents it from being allowable as GPL/LGPL. */ static int tenbytefloat2int (unsigned char *bytes) { int val = 3 ; if (bytes [0] & 0x80) /* Negative number. */ return 0 ; if (bytes [0] <= 0x3F) /* Less than 1. */ return 1 ; if (bytes [0] > 0x40) /* Way too big. */ return 0x4000000 ; if (bytes [0] == 0x40 && bytes [1] > 0x1C) /* Too big. */ return 800000000 ; /* Ok, can handle it. */ val = (bytes [2] << 23) | (bytes [3] << 15) | (bytes [4] << 7) | (bytes [5] >> 1) ; val >>= (29 - bytes [1]) ; return val ; } /* tenbytefloat2int */ static void uint2tenbytefloat (unsigned int num, unsigned char *bytes) { unsigned int mask = 0x40000000 ; int count ; memset (bytes, 0, 10) ; if (num <= 1) { bytes [0] = 0x3F ; bytes [1] = 0xFF ; bytes [2] = 0x80 ; return ; } ; bytes [0] = 0x40 ; if (num >= mask) { bytes [1] = 0x1D ; return ; } ; for (count = 0 ; count <= 32 ; count ++) { if (num & mask) break ; mask >>= 1 ; } ; num <<= count + 1 ; bytes [1] = 29 - count ; bytes [2] = (num >> 24) & 0xFF ; bytes [3] = (num >> 16) & 0xFF ; bytes [4] = (num >> 8) & 0xFF ; bytes [5] = num & 0xFF ; } /* uint2tenbytefloat */ static int aiff_read_basc_chunk (SF_PRIVATE * psf) { const char * type_str ; basc_CHUNK bc ; psf_binheader_readf (psf, "E442", &bc.version, &bc.numBeats, &bc.rootNote) ; psf_binheader_readf (psf, "E222", &bc.scaleType, &bc.sigNumerator, &bc.sigDenominator) ; psf_binheader_readf (psf, "E2b", &bc.loopType, &bc.zero_bytes, SIZEOF_basc_CHUNK_PADDING) ; psf_log_printf (psf, " Version ? : %u\n Num Beats : %u\n Root Note : 0x%x\n", bc.version, bc.numBeats, bc.rootNote) ; switch (bc.scaleType) { case basc_SCALE_MINOR : type_str = "MINOR" ; break ; case basc_SCALE_MAJOR : type_str = "MAJOR" ; break ; case basc_SCALE_NEITHER : type_str = "NEITHER" ; break ; case basc_SCALE_BOTH : type_str = "BOTH" ; break ; default : type_str = "!!WRONG!!" ; break ; } ; psf_log_printf (psf, " ScaleType : 0x%x (%s)\n", bc.scaleType, type_str) ; psf_log_printf (psf, " Time Sig : %d/%d\n", bc.sigNumerator, bc.sigDenominator) ; switch (bc.loopType) { case basc_TYPE_ONE_SHOT : type_str = "One Shot" ; break ; case basc_TYPE_LOOP : type_str = "Loop" ; break ; default: type_str = "!!WRONG!!" ; break ; } ; psf_log_printf (psf, " Loop Type : 0x%x (%s)\n", bc.loopType, type_str) ; if ((psf->loop_info = calloc (1, sizeof (SF_LOOP_INFO))) == NULL) return SFE_MALLOC_FAILED ; psf->loop_info->time_sig_num = bc.sigNumerator ; psf->loop_info->time_sig_den = bc.sigDenominator ; psf->loop_info->loop_mode = (bc.loopType == basc_TYPE_ONE_SHOT) ? SF_LOOP_NONE : SF_LOOP_FORWARD ; psf->loop_info->num_beats = bc.numBeats ; /* Can always be recalculated from other known fields. */ psf->loop_info->bpm = (1.0 / psf->sf.frames) * psf->sf.samplerate * ((bc.numBeats * 4.0) / bc.sigDenominator) * 60.0 ; psf->loop_info->root_key = bc.rootNote ; return 0 ; } /* aiff_read_basc_chunk */ /* ** Do not edit or modify anything in this comment block. ** The arch-tag line is a file identity tag for the GNU Arch ** revision control system. ** ** arch-tag: 7dec56ca-d6f2-48cf-863b-a72e7e17a5d9 */