1063 lines
44 KiB
C
1063 lines
44 KiB
C
/* libOggFLAC - Free Lossless Audio Codec + Ogg library
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* Copyright (C) 2002,2003,2004,2005 Josh Coalson
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* - Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* - Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* - Neither the name of the Xiph.org Foundation nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <stdio.h>
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#include <stdlib.h> /* for calloc() */
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#include <string.h> /* for memcpy() */
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#include "FLAC/assert.h"
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#include "OggFLAC/seekable_stream_encoder.h"
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#include "protected/seekable_stream_encoder.h"
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#include "private/ogg_helper.h"
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#ifdef max
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#undef max
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#endif
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#define max(a,b) ((a)>(b)?(a):(b))
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/***********************************************************************
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*
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* Private class method prototypes
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*
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***********************************************************************/
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/* unpublished debug routines */
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extern FLAC__bool FLAC__stream_encoder_disable_constant_subframes(FLAC__StreamEncoder *encoder, FLAC__bool value);
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extern FLAC__bool FLAC__stream_encoder_disable_fixed_subframes(FLAC__StreamEncoder *encoder, FLAC__bool value);
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extern FLAC__bool FLAC__stream_encoder_disable_verbatim_subframes(FLAC__StreamEncoder *encoder, FLAC__bool value);
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static void set_defaults_(OggFLAC__SeekableStreamEncoder *encoder);
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static FLAC__StreamEncoderWriteStatus write_callback_(const FLAC__StreamEncoder *encoder, const FLAC__byte buffer[], unsigned bytes, unsigned samples, unsigned current_frame, void *client_data);
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static void metadata_callback_(const FLAC__StreamEncoder *encoder, const FLAC__StreamMetadata *metadata, void *client_data);
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/***********************************************************************
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*
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* Private class data
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*
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***********************************************************************/
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typedef struct OggFLAC__SeekableStreamEncoderPrivate {
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OggFLAC__SeekableStreamEncoderReadCallback read_callback;
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OggFLAC__SeekableStreamEncoderSeekCallback seek_callback;
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OggFLAC__SeekableStreamEncoderTellCallback tell_callback;
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OggFLAC__SeekableStreamEncoderWriteCallback write_callback;
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void *client_data;
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FLAC__StreamEncoder *FLAC_stream_encoder;
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FLAC__StreamMetadata_SeekTable *seek_table;
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/* internal vars (all the above are class settings) */
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unsigned first_seekpoint_to_check;
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FLAC__uint64 samples_written;
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} OggFLAC__SeekableStreamEncoderPrivate;
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/***********************************************************************
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*
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* Public static class data
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*
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***********************************************************************/
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OggFLAC_API const char * const OggFLAC__SeekableStreamEncoderStateString[] = {
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"OggFLAC__SEEKABLE_STREAM_ENCODER_OK",
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"OggFLAC__SEEKABLE_STREAM_ENCODER_OGG_ERROR",
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"OggFLAC__SEEKABLE_STREAM_ENCODER_FLAC_STREAM_ENCODER_ERROR",
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"OggFLAC__SEEKABLE_STREAM_ENCODER_MEMORY_ALLOCATION_ERROR",
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"OggFLAC__SEEKABLE_STREAM_ENCODER_WRITE_ERROR",
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"OggFLAC__SEEKABLE_STREAM_ENCODER_READ_ERROR",
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"OggFLAC__SEEKABLE_STREAM_ENCODER_READ_ERROR",
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"OggFLAC__SEEKABLE_STREAM_ENCODER_SEEK_ERROR",
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"OggFLAC__SEEKABLE_STREAM_ENCODER_TELL_ERROR",
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"OggFLAC__SEEKABLE_STREAM_ENCODER_ALREADY_INITIALIZED",
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"OggFLAC__SEEKABLE_STREAM_ENCODER_INVALID_CALLBACK",
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"OggFLAC__SEEKABLE_STREAM_ENCODER_INVALID_SEEKTABLE",
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"OggFLAC__SEEKABLE_STREAM_ENCODER_UNINITIALIZED"
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};
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OggFLAC_API const char * const OggFLAC__SeekableStreamEncoderReadStatusString[] = {
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"OggFLAC__SEEKABLE_STREAM_ENCODER_READ_STATUS_CONTINUE",
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"OggFLAC__SEEKABLE_STREAM_ENCODER_READ_STATUS_END_OF_STREAM",
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"OggFLAC__SEEKABLE_STREAM_ENCODER_READ_STATUS_ABORT"
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};
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/***********************************************************************
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*
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* Class constructor/destructor
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*
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*/
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OggFLAC_API OggFLAC__SeekableStreamEncoder *OggFLAC__seekable_stream_encoder_new()
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{
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OggFLAC__SeekableStreamEncoder *encoder;
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encoder = (OggFLAC__SeekableStreamEncoder*)calloc(1, sizeof(OggFLAC__SeekableStreamEncoder));
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if(encoder == 0) {
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return 0;
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}
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encoder->protected_ = (OggFLAC__SeekableStreamEncoderProtected*)calloc(1, sizeof(OggFLAC__SeekableStreamEncoderProtected));
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if(encoder->protected_ == 0) {
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free(encoder);
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return 0;
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}
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encoder->private_ = (OggFLAC__SeekableStreamEncoderPrivate*)calloc(1, sizeof(OggFLAC__SeekableStreamEncoderPrivate));
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if(encoder->private_ == 0) {
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free(encoder->protected_);
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free(encoder);
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return 0;
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}
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encoder->private_->FLAC_stream_encoder = FLAC__stream_encoder_new();
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if(0 == encoder->private_->FLAC_stream_encoder) {
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free(encoder->private_);
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free(encoder->protected_);
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free(encoder);
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return 0;
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}
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set_defaults_(encoder);
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encoder->protected_->state = OggFLAC__SEEKABLE_STREAM_ENCODER_UNINITIALIZED;
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return encoder;
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}
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OggFLAC_API void OggFLAC__seekable_stream_encoder_delete(OggFLAC__SeekableStreamEncoder *encoder)
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{
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FLAC__ASSERT(0 != encoder);
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FLAC__ASSERT(0 != encoder->protected_);
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FLAC__ASSERT(0 != encoder->private_);
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FLAC__ASSERT(0 != encoder->private_->FLAC_stream_encoder);
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(void)OggFLAC__seekable_stream_encoder_finish(encoder);
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FLAC__stream_encoder_delete(encoder->private_->FLAC_stream_encoder);
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free(encoder->private_);
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free(encoder->protected_);
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free(encoder);
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}
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/***********************************************************************
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*
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* Public class methods
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*
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***********************************************************************/
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OggFLAC_API OggFLAC__SeekableStreamEncoderState OggFLAC__seekable_stream_encoder_init(OggFLAC__SeekableStreamEncoder *encoder)
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{
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FLAC__ASSERT(0 != encoder);
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if(encoder->protected_->state != OggFLAC__SEEKABLE_STREAM_ENCODER_UNINITIALIZED)
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return encoder->protected_->state = OggFLAC__SEEKABLE_STREAM_ENCODER_ALREADY_INITIALIZED;
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if(0 == encoder->private_->seek_callback || 0 == encoder->private_->tell_callback || 0 == encoder->private_->write_callback)
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return encoder->protected_->state = OggFLAC__SEEKABLE_STREAM_ENCODER_INVALID_CALLBACK;
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if(!OggFLAC__ogg_encoder_aspect_init(&encoder->protected_->ogg_encoder_aspect))
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return encoder->protected_->state = OggFLAC__SEEKABLE_STREAM_ENCODER_OGG_ERROR;
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if(0 != encoder->private_->seek_table && !FLAC__format_seektable_is_legal(encoder->private_->seek_table))
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return encoder->protected_->state = OggFLAC__SEEKABLE_STREAM_ENCODER_INVALID_SEEKTABLE;
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/*
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* These must be done before we init the stream encoder because that
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* calls the write_callback, which uses these values.
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*/
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encoder->private_->first_seekpoint_to_check = 0;
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encoder->private_->samples_written = 0;
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encoder->protected_->streaminfo_offset = 0;
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encoder->protected_->seektable_offset = 0;
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encoder->protected_->audio_offset = 0;
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FLAC__stream_encoder_set_write_callback(encoder->private_->FLAC_stream_encoder, write_callback_);
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FLAC__stream_encoder_set_metadata_callback(encoder->private_->FLAC_stream_encoder, metadata_callback_);
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FLAC__stream_encoder_set_client_data(encoder->private_->FLAC_stream_encoder, encoder);
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if(FLAC__stream_encoder_init(encoder->private_->FLAC_stream_encoder) != FLAC__STREAM_ENCODER_OK)
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return encoder->protected_->state = OggFLAC__SEEKABLE_STREAM_ENCODER_FLAC_STREAM_ENCODER_ERROR;
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/*
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* Initializing the stream encoder writes all the metadata, so we
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* save the stream offset now.
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*/
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if(encoder->private_->tell_callback(encoder, &encoder->protected_->audio_offset, encoder->private_->client_data) != FLAC__SEEKABLE_STREAM_ENCODER_TELL_STATUS_OK)
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return encoder->protected_->state = OggFLAC__SEEKABLE_STREAM_ENCODER_TELL_ERROR;
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return encoder->protected_->state = OggFLAC__SEEKABLE_STREAM_ENCODER_OK;
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}
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OggFLAC_API void OggFLAC__seekable_stream_encoder_finish(OggFLAC__SeekableStreamEncoder *encoder)
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{
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FLAC__ASSERT(0 != encoder);
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FLAC__ASSERT(0 != encoder->private_);
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FLAC__ASSERT(0 != encoder->protected_);
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if(encoder->protected_->state == OggFLAC__SEEKABLE_STREAM_ENCODER_UNINITIALIZED)
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return;
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FLAC__ASSERT(0 != encoder->private_->FLAC_stream_encoder);
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FLAC__stream_encoder_finish(encoder->private_->FLAC_stream_encoder);
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OggFLAC__ogg_encoder_aspect_finish(&encoder->protected_->ogg_encoder_aspect);
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set_defaults_(encoder);
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encoder->protected_->state = OggFLAC__SEEKABLE_STREAM_ENCODER_UNINITIALIZED;
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}
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OggFLAC_API FLAC__bool OggFLAC__seekable_stream_encoder_set_serial_number(OggFLAC__SeekableStreamEncoder *encoder, long value)
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{
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FLAC__ASSERT(0 != encoder);
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FLAC__ASSERT(0 != encoder->private_);
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FLAC__ASSERT(0 != encoder->protected_);
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FLAC__ASSERT(0 != encoder->private_->FLAC_stream_encoder);
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if(encoder->protected_->state != OggFLAC__SEEKABLE_STREAM_ENCODER_UNINITIALIZED)
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return false;
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OggFLAC__ogg_encoder_aspect_set_serial_number(&encoder->protected_->ogg_encoder_aspect, value);
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return true;
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}
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OggFLAC_API FLAC__bool OggFLAC__seekable_stream_encoder_set_verify(OggFLAC__SeekableStreamEncoder *encoder, FLAC__bool value)
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{
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FLAC__ASSERT(0 != encoder);
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FLAC__ASSERT(0 != encoder->private_);
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FLAC__ASSERT(0 != encoder->protected_);
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FLAC__ASSERT(0 != encoder->private_->FLAC_stream_encoder);
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if(encoder->protected_->state != OggFLAC__SEEKABLE_STREAM_ENCODER_UNINITIALIZED)
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return false;
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return FLAC__stream_encoder_set_verify(encoder->private_->FLAC_stream_encoder, value);
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}
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OggFLAC_API FLAC__bool OggFLAC__seekable_stream_encoder_set_streamable_subset(OggFLAC__SeekableStreamEncoder *encoder, FLAC__bool value)
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{
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FLAC__ASSERT(0 != encoder);
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FLAC__ASSERT(0 != encoder->private_);
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FLAC__ASSERT(0 != encoder->protected_);
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FLAC__ASSERT(0 != encoder->private_->FLAC_stream_encoder);
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if(encoder->protected_->state != OggFLAC__SEEKABLE_STREAM_ENCODER_UNINITIALIZED)
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return false;
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return FLAC__stream_encoder_set_streamable_subset(encoder->private_->FLAC_stream_encoder, value);
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}
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OggFLAC_API FLAC__bool OggFLAC__seekable_stream_encoder_set_do_mid_side_stereo(OggFLAC__SeekableStreamEncoder *encoder, FLAC__bool value)
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{
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FLAC__ASSERT(0 != encoder);
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FLAC__ASSERT(0 != encoder->private_);
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FLAC__ASSERT(0 != encoder->protected_);
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FLAC__ASSERT(0 != encoder->private_->FLAC_stream_encoder);
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if(encoder->protected_->state != OggFLAC__SEEKABLE_STREAM_ENCODER_UNINITIALIZED)
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return false;
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return FLAC__stream_encoder_set_do_mid_side_stereo(encoder->private_->FLAC_stream_encoder, value);
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}
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OggFLAC_API FLAC__bool OggFLAC__seekable_stream_encoder_set_loose_mid_side_stereo(OggFLAC__SeekableStreamEncoder *encoder, FLAC__bool value)
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{
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FLAC__ASSERT(0 != encoder);
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FLAC__ASSERT(0 != encoder->private_);
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FLAC__ASSERT(0 != encoder->protected_);
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FLAC__ASSERT(0 != encoder->private_->FLAC_stream_encoder);
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if(encoder->protected_->state != OggFLAC__SEEKABLE_STREAM_ENCODER_UNINITIALIZED)
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return false;
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return FLAC__stream_encoder_set_loose_mid_side_stereo(encoder->private_->FLAC_stream_encoder, value);
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}
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OggFLAC_API FLAC__bool OggFLAC__seekable_stream_encoder_set_channels(OggFLAC__SeekableStreamEncoder *encoder, unsigned value)
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{
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FLAC__ASSERT(0 != encoder);
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FLAC__ASSERT(0 != encoder->private_);
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FLAC__ASSERT(0 != encoder->protected_);
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FLAC__ASSERT(0 != encoder->private_->FLAC_stream_encoder);
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if(encoder->protected_->state != OggFLAC__SEEKABLE_STREAM_ENCODER_UNINITIALIZED)
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return false;
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return FLAC__stream_encoder_set_channels(encoder->private_->FLAC_stream_encoder, value);
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}
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OggFLAC_API FLAC__bool OggFLAC__seekable_stream_encoder_set_bits_per_sample(OggFLAC__SeekableStreamEncoder *encoder, unsigned value)
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{
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FLAC__ASSERT(0 != encoder);
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FLAC__ASSERT(0 != encoder->private_);
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FLAC__ASSERT(0 != encoder->protected_);
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FLAC__ASSERT(0 != encoder->private_->FLAC_stream_encoder);
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if(encoder->protected_->state != OggFLAC__SEEKABLE_STREAM_ENCODER_UNINITIALIZED)
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return false;
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return FLAC__stream_encoder_set_bits_per_sample(encoder->private_->FLAC_stream_encoder, value);
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}
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OggFLAC_API FLAC__bool OggFLAC__seekable_stream_encoder_set_sample_rate(OggFLAC__SeekableStreamEncoder *encoder, unsigned value)
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{
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FLAC__ASSERT(0 != encoder);
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FLAC__ASSERT(0 != encoder->private_);
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FLAC__ASSERT(0 != encoder->protected_);
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FLAC__ASSERT(0 != encoder->private_->FLAC_stream_encoder);
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if(encoder->protected_->state != OggFLAC__SEEKABLE_STREAM_ENCODER_UNINITIALIZED)
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return false;
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return FLAC__stream_encoder_set_sample_rate(encoder->private_->FLAC_stream_encoder, value);
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}
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OggFLAC_API FLAC__bool OggFLAC__seekable_stream_encoder_set_blocksize(OggFLAC__SeekableStreamEncoder *encoder, unsigned value)
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{
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FLAC__ASSERT(0 != encoder);
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FLAC__ASSERT(0 != encoder->private_);
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FLAC__ASSERT(0 != encoder->protected_);
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FLAC__ASSERT(0 != encoder->private_->FLAC_stream_encoder);
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if(encoder->protected_->state != OggFLAC__SEEKABLE_STREAM_ENCODER_UNINITIALIZED)
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return false;
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return FLAC__stream_encoder_set_blocksize(encoder->private_->FLAC_stream_encoder, value);
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}
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OggFLAC_API FLAC__bool OggFLAC__seekable_stream_encoder_set_max_lpc_order(OggFLAC__SeekableStreamEncoder *encoder, unsigned value)
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{
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FLAC__ASSERT(0 != encoder);
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FLAC__ASSERT(0 != encoder->private_);
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FLAC__ASSERT(0 != encoder->protected_);
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FLAC__ASSERT(0 != encoder->private_->FLAC_stream_encoder);
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if(encoder->protected_->state != OggFLAC__SEEKABLE_STREAM_ENCODER_UNINITIALIZED)
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return false;
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return FLAC__stream_encoder_set_max_lpc_order(encoder->private_->FLAC_stream_encoder, value);
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}
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OggFLAC_API FLAC__bool OggFLAC__seekable_stream_encoder_set_qlp_coeff_precision(OggFLAC__SeekableStreamEncoder *encoder, unsigned value)
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{
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FLAC__ASSERT(0 != encoder);
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FLAC__ASSERT(0 != encoder->private_);
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FLAC__ASSERT(0 != encoder->protected_);
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FLAC__ASSERT(0 != encoder->private_->FLAC_stream_encoder);
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if(encoder->protected_->state != OggFLAC__SEEKABLE_STREAM_ENCODER_UNINITIALIZED)
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return false;
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return FLAC__stream_encoder_set_qlp_coeff_precision(encoder->private_->FLAC_stream_encoder, value);
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}
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OggFLAC_API FLAC__bool OggFLAC__seekable_stream_encoder_set_do_qlp_coeff_prec_search(OggFLAC__SeekableStreamEncoder *encoder, FLAC__bool value)
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{
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FLAC__ASSERT(0 != encoder);
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FLAC__ASSERT(0 != encoder->private_);
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FLAC__ASSERT(0 != encoder->protected_);
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FLAC__ASSERT(0 != encoder->private_->FLAC_stream_encoder);
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if(encoder->protected_->state != OggFLAC__SEEKABLE_STREAM_ENCODER_UNINITIALIZED)
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return false;
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return FLAC__stream_encoder_set_do_qlp_coeff_prec_search(encoder->private_->FLAC_stream_encoder, value);
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}
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OggFLAC_API FLAC__bool OggFLAC__seekable_stream_encoder_set_do_escape_coding(OggFLAC__SeekableStreamEncoder *encoder, FLAC__bool value)
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{
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FLAC__ASSERT(0 != encoder);
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FLAC__ASSERT(0 != encoder->private_);
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FLAC__ASSERT(0 != encoder->protected_);
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FLAC__ASSERT(0 != encoder->private_->FLAC_stream_encoder);
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if(encoder->protected_->state != OggFLAC__SEEKABLE_STREAM_ENCODER_UNINITIALIZED)
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return false;
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return FLAC__stream_encoder_set_do_escape_coding(encoder->private_->FLAC_stream_encoder, value);
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}
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OggFLAC_API FLAC__bool OggFLAC__seekable_stream_encoder_set_do_exhaustive_model_search(OggFLAC__SeekableStreamEncoder *encoder, FLAC__bool value)
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{
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FLAC__ASSERT(0 != encoder);
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FLAC__ASSERT(0 != encoder->private_);
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FLAC__ASSERT(0 != encoder->protected_);
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FLAC__ASSERT(0 != encoder->private_->FLAC_stream_encoder);
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if(encoder->protected_->state != OggFLAC__SEEKABLE_STREAM_ENCODER_UNINITIALIZED)
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return false;
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return FLAC__stream_encoder_set_do_exhaustive_model_search(encoder->private_->FLAC_stream_encoder, value);
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}
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OggFLAC_API FLAC__bool OggFLAC__seekable_stream_encoder_set_min_residual_partition_order(OggFLAC__SeekableStreamEncoder *encoder, unsigned value)
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{
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FLAC__ASSERT(0 != encoder);
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FLAC__ASSERT(0 != encoder->private_);
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FLAC__ASSERT(0 != encoder->protected_);
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FLAC__ASSERT(0 != encoder->private_->FLAC_stream_encoder);
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if(encoder->protected_->state != OggFLAC__SEEKABLE_STREAM_ENCODER_UNINITIALIZED)
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return false;
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return FLAC__stream_encoder_set_min_residual_partition_order(encoder->private_->FLAC_stream_encoder, value);
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}
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OggFLAC_API FLAC__bool OggFLAC__seekable_stream_encoder_set_max_residual_partition_order(OggFLAC__SeekableStreamEncoder *encoder, unsigned value)
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{
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FLAC__ASSERT(0 != encoder);
|
|
FLAC__ASSERT(0 != encoder->private_);
|
|
FLAC__ASSERT(0 != encoder->protected_);
|
|
FLAC__ASSERT(0 != encoder->private_->FLAC_stream_encoder);
|
|
if(encoder->protected_->state != OggFLAC__SEEKABLE_STREAM_ENCODER_UNINITIALIZED)
|
|
return false;
|
|
return FLAC__stream_encoder_set_max_residual_partition_order(encoder->private_->FLAC_stream_encoder, value);
|
|
}
|
|
|
|
OggFLAC_API FLAC__bool OggFLAC__seekable_stream_encoder_set_rice_parameter_search_dist(OggFLAC__SeekableStreamEncoder *encoder, unsigned value)
|
|
{
|
|
FLAC__ASSERT(0 != encoder);
|
|
FLAC__ASSERT(0 != encoder->private_);
|
|
FLAC__ASSERT(0 != encoder->protected_);
|
|
FLAC__ASSERT(0 != encoder->private_->FLAC_stream_encoder);
|
|
if(encoder->protected_->state != OggFLAC__SEEKABLE_STREAM_ENCODER_UNINITIALIZED)
|
|
return false;
|
|
return FLAC__stream_encoder_set_rice_parameter_search_dist(encoder->private_->FLAC_stream_encoder, value);
|
|
}
|
|
|
|
OggFLAC_API FLAC__bool OggFLAC__seekable_stream_encoder_set_total_samples_estimate(OggFLAC__SeekableStreamEncoder *encoder, FLAC__uint64 value)
|
|
{
|
|
FLAC__ASSERT(0 != encoder);
|
|
FLAC__ASSERT(0 != encoder->private_);
|
|
FLAC__ASSERT(0 != encoder->protected_);
|
|
FLAC__ASSERT(0 != encoder->private_->FLAC_stream_encoder);
|
|
if(encoder->protected_->state != OggFLAC__SEEKABLE_STREAM_ENCODER_UNINITIALIZED)
|
|
return false;
|
|
return FLAC__stream_encoder_set_total_samples_estimate(encoder->private_->FLAC_stream_encoder, value);
|
|
}
|
|
|
|
OggFLAC_API FLAC__bool OggFLAC__seekable_stream_encoder_set_metadata(OggFLAC__SeekableStreamEncoder *encoder, FLAC__StreamMetadata **metadata, unsigned num_blocks)
|
|
{
|
|
FLAC__ASSERT(0 != encoder);
|
|
FLAC__ASSERT(0 != encoder->private_);
|
|
FLAC__ASSERT(0 != encoder->protected_);
|
|
FLAC__ASSERT(0 != encoder->private_->FLAC_stream_encoder);
|
|
if(encoder->protected_->state != OggFLAC__SEEKABLE_STREAM_ENCODER_UNINITIALIZED)
|
|
return false;
|
|
/* reorder metadata if necessary to ensure that any VORBIS_COMMENT is the first, according to the mapping spec */
|
|
if(0 != metadata && num_blocks > 1) {
|
|
unsigned i;
|
|
for(i = 1; i < num_blocks; i++) {
|
|
if(0 != metadata[i] && metadata[i]->type == FLAC__METADATA_TYPE_VORBIS_COMMENT) {
|
|
FLAC__StreamMetadata *vc = metadata[i];
|
|
for( ; i > 0; i--)
|
|
metadata[i] = metadata[i-1];
|
|
metadata[0] = vc;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
if(0 != metadata && num_blocks > 0) {
|
|
unsigned i;
|
|
for(i = 0; i < num_blocks; i++) {
|
|
/* keep track of any SEEKTABLE block */
|
|
if(0 != metadata[i] && metadata[i]->type == FLAC__METADATA_TYPE_SEEKTABLE) {
|
|
encoder->private_->seek_table = &metadata[i]->data.seek_table;
|
|
break; /* take only the first one */
|
|
}
|
|
}
|
|
}
|
|
if(!OggFLAC__ogg_encoder_aspect_set_num_metadata(&encoder->protected_->ogg_encoder_aspect, num_blocks))
|
|
return false;
|
|
return FLAC__stream_encoder_set_metadata(encoder->private_->FLAC_stream_encoder, metadata, num_blocks);
|
|
}
|
|
|
|
OggFLAC_API FLAC__bool OggFLAC__seekable_stream_encoder_set_read_callback(OggFLAC__SeekableStreamEncoder *encoder, OggFLAC__SeekableStreamEncoderReadCallback value)
|
|
{
|
|
FLAC__ASSERT(0 != encoder);
|
|
FLAC__ASSERT(0 != encoder->private_);
|
|
FLAC__ASSERT(0 != encoder->protected_);
|
|
FLAC__ASSERT(0 != value);
|
|
if(encoder->protected_->state != OggFLAC__SEEKABLE_STREAM_ENCODER_UNINITIALIZED)
|
|
return false;
|
|
encoder->private_->read_callback = value;
|
|
return true;
|
|
}
|
|
|
|
OggFLAC_API FLAC__bool OggFLAC__seekable_stream_encoder_set_seek_callback(OggFLAC__SeekableStreamEncoder *encoder, OggFLAC__SeekableStreamEncoderSeekCallback value)
|
|
{
|
|
FLAC__ASSERT(0 != encoder);
|
|
FLAC__ASSERT(0 != encoder->private_);
|
|
FLAC__ASSERT(0 != encoder->protected_);
|
|
FLAC__ASSERT(0 != value);
|
|
if(encoder->protected_->state != OggFLAC__SEEKABLE_STREAM_ENCODER_UNINITIALIZED)
|
|
return false;
|
|
encoder->private_->seek_callback = value;
|
|
return true;
|
|
}
|
|
|
|
OggFLAC_API FLAC__bool OggFLAC__seekable_stream_encoder_set_tell_callback(OggFLAC__SeekableStreamEncoder *encoder, OggFLAC__SeekableStreamEncoderTellCallback value)
|
|
{
|
|
FLAC__ASSERT(0 != encoder);
|
|
FLAC__ASSERT(0 != encoder->private_);
|
|
FLAC__ASSERT(0 != encoder->protected_);
|
|
FLAC__ASSERT(0 != value);
|
|
if(encoder->protected_->state != OggFLAC__SEEKABLE_STREAM_ENCODER_UNINITIALIZED)
|
|
return false;
|
|
encoder->private_->tell_callback = value;
|
|
return true;
|
|
}
|
|
|
|
OggFLAC_API FLAC__bool OggFLAC__seekable_stream_encoder_set_write_callback(OggFLAC__SeekableStreamEncoder *encoder, OggFLAC__SeekableStreamEncoderWriteCallback value)
|
|
{
|
|
FLAC__ASSERT(0 != encoder);
|
|
FLAC__ASSERT(0 != encoder->private_);
|
|
FLAC__ASSERT(0 != encoder->protected_);
|
|
FLAC__ASSERT(0 != value);
|
|
if(encoder->protected_->state != OggFLAC__SEEKABLE_STREAM_ENCODER_UNINITIALIZED)
|
|
return false;
|
|
encoder->private_->write_callback = value;
|
|
return true;
|
|
}
|
|
|
|
OggFLAC_API FLAC__bool OggFLAC__seekable_stream_encoder_set_client_data(OggFLAC__SeekableStreamEncoder *encoder, void *value)
|
|
{
|
|
FLAC__ASSERT(0 != encoder);
|
|
FLAC__ASSERT(0 != encoder->private_);
|
|
FLAC__ASSERT(0 != encoder->protected_);
|
|
if(encoder->protected_->state != OggFLAC__SEEKABLE_STREAM_ENCODER_UNINITIALIZED)
|
|
return false;
|
|
encoder->private_->client_data = value;
|
|
return true;
|
|
}
|
|
|
|
/*
|
|
* These three functions are not static, but not publically exposed in
|
|
* include/FLAC/ either. They are used by the test suite.
|
|
*/
|
|
OggFLAC_API FLAC__bool OggFLAC__seekable_stream_encoder_disable_constant_subframes(OggFLAC__SeekableStreamEncoder *encoder, FLAC__bool value)
|
|
{
|
|
FLAC__ASSERT(0 != encoder);
|
|
FLAC__ASSERT(0 != encoder->private_);
|
|
FLAC__ASSERT(0 != encoder->protected_);
|
|
if(encoder->protected_->state != OggFLAC__SEEKABLE_STREAM_ENCODER_UNINITIALIZED)
|
|
return false;
|
|
return FLAC__stream_encoder_disable_constant_subframes(encoder->private_->FLAC_stream_encoder, value);
|
|
}
|
|
|
|
OggFLAC_API FLAC__bool OggFLAC__seekable_stream_encoder_disable_fixed_subframes(OggFLAC__SeekableStreamEncoder *encoder, FLAC__bool value)
|
|
{
|
|
FLAC__ASSERT(0 != encoder);
|
|
FLAC__ASSERT(0 != encoder->private_);
|
|
FLAC__ASSERT(0 != encoder->protected_);
|
|
if(encoder->protected_->state != OggFLAC__SEEKABLE_STREAM_ENCODER_UNINITIALIZED)
|
|
return false;
|
|
return FLAC__stream_encoder_disable_fixed_subframes(encoder->private_->FLAC_stream_encoder, value);
|
|
}
|
|
|
|
OggFLAC_API FLAC__bool OggFLAC__seekable_stream_encoder_disable_verbatim_subframes(OggFLAC__SeekableStreamEncoder *encoder, FLAC__bool value)
|
|
{
|
|
FLAC__ASSERT(0 != encoder);
|
|
FLAC__ASSERT(0 != encoder->private_);
|
|
FLAC__ASSERT(0 != encoder->protected_);
|
|
if(encoder->protected_->state != OggFLAC__SEEKABLE_STREAM_ENCODER_UNINITIALIZED)
|
|
return false;
|
|
return FLAC__stream_encoder_disable_verbatim_subframes(encoder->private_->FLAC_stream_encoder, value);
|
|
}
|
|
|
|
OggFLAC_API OggFLAC__SeekableStreamEncoderState OggFLAC__seekable_stream_encoder_get_state(const OggFLAC__SeekableStreamEncoder *encoder)
|
|
{
|
|
FLAC__ASSERT(0 != encoder);
|
|
FLAC__ASSERT(0 != encoder->private_);
|
|
FLAC__ASSERT(0 != encoder->protected_);
|
|
return encoder->protected_->state;
|
|
}
|
|
|
|
OggFLAC_API FLAC__StreamEncoderState OggFLAC__seekable_stream_encoder_get_FLAC_stream_encoder_state(const OggFLAC__SeekableStreamEncoder *encoder)
|
|
{
|
|
FLAC__ASSERT(0 != encoder);
|
|
FLAC__ASSERT(0 != encoder->private_);
|
|
FLAC__ASSERT(0 != encoder->protected_);
|
|
FLAC__ASSERT(0 != encoder->private_->FLAC_stream_encoder);
|
|
return FLAC__stream_encoder_get_state(encoder->private_->FLAC_stream_encoder);
|
|
}
|
|
|
|
OggFLAC_API FLAC__StreamDecoderState OggFLAC__seekable_stream_encoder_get_verify_decoder_state(const OggFLAC__SeekableStreamEncoder *encoder)
|
|
{
|
|
FLAC__ASSERT(0 != encoder);
|
|
FLAC__ASSERT(0 != encoder->private_);
|
|
FLAC__ASSERT(0 != encoder->protected_);
|
|
FLAC__ASSERT(0 != encoder->private_->FLAC_stream_encoder);
|
|
return FLAC__stream_encoder_get_verify_decoder_state(encoder->private_->FLAC_stream_encoder);
|
|
}
|
|
|
|
OggFLAC_API const char *OggFLAC__seekable_stream_encoder_get_resolved_state_string(const OggFLAC__SeekableStreamEncoder *encoder)
|
|
{
|
|
FLAC__ASSERT(0 != encoder);
|
|
FLAC__ASSERT(0 != encoder->private_);
|
|
FLAC__ASSERT(0 != encoder->protected_);
|
|
FLAC__ASSERT(0 != encoder->private_->FLAC_stream_encoder);
|
|
if(encoder->protected_->state != OggFLAC__SEEKABLE_STREAM_ENCODER_FLAC_STREAM_ENCODER_ERROR)
|
|
return OggFLAC__SeekableStreamEncoderStateString[encoder->protected_->state];
|
|
else
|
|
return FLAC__stream_encoder_get_resolved_state_string(encoder->private_->FLAC_stream_encoder);
|
|
}
|
|
|
|
OggFLAC_API void OggFLAC__seekable_stream_encoder_get_verify_decoder_error_stats(const OggFLAC__SeekableStreamEncoder *encoder, FLAC__uint64 *absolute_sample, unsigned *frame_number, unsigned *channel, unsigned *sample, FLAC__int32 *expected, FLAC__int32 *got)
|
|
{
|
|
FLAC__ASSERT(0 != encoder);
|
|
FLAC__ASSERT(0 != encoder->private_);
|
|
FLAC__ASSERT(0 != encoder->protected_);
|
|
FLAC__ASSERT(0 != encoder->private_->FLAC_stream_encoder);
|
|
FLAC__stream_encoder_get_verify_decoder_error_stats(encoder->private_->FLAC_stream_encoder, absolute_sample, frame_number, channel, sample, expected, got);
|
|
}
|
|
|
|
OggFLAC_API FLAC__bool OggFLAC__seekable_stream_encoder_get_verify(const OggFLAC__SeekableStreamEncoder *encoder)
|
|
{
|
|
FLAC__ASSERT(0 != encoder);
|
|
FLAC__ASSERT(0 != encoder->private_);
|
|
FLAC__ASSERT(0 != encoder->protected_);
|
|
FLAC__ASSERT(0 != encoder->private_->FLAC_stream_encoder);
|
|
return FLAC__stream_encoder_get_verify(encoder->private_->FLAC_stream_encoder);
|
|
}
|
|
|
|
OggFLAC_API FLAC__bool OggFLAC__seekable_stream_encoder_get_streamable_subset(const OggFLAC__SeekableStreamEncoder *encoder)
|
|
{
|
|
FLAC__ASSERT(0 != encoder);
|
|
FLAC__ASSERT(0 != encoder->private_);
|
|
FLAC__ASSERT(0 != encoder->protected_);
|
|
FLAC__ASSERT(0 != encoder->private_->FLAC_stream_encoder);
|
|
return FLAC__stream_encoder_get_streamable_subset(encoder->private_->FLAC_stream_encoder);
|
|
}
|
|
|
|
OggFLAC_API FLAC__bool OggFLAC__seekable_stream_encoder_get_do_mid_side_stereo(const OggFLAC__SeekableStreamEncoder *encoder)
|
|
{
|
|
FLAC__ASSERT(0 != encoder);
|
|
FLAC__ASSERT(0 != encoder->private_);
|
|
FLAC__ASSERT(0 != encoder->protected_);
|
|
FLAC__ASSERT(0 != encoder->private_->FLAC_stream_encoder);
|
|
return FLAC__stream_encoder_get_do_mid_side_stereo(encoder->private_->FLAC_stream_encoder);
|
|
}
|
|
|
|
OggFLAC_API FLAC__bool OggFLAC__seekable_stream_encoder_get_loose_mid_side_stereo(const OggFLAC__SeekableStreamEncoder *encoder)
|
|
{
|
|
FLAC__ASSERT(0 != encoder);
|
|
FLAC__ASSERT(0 != encoder->private_);
|
|
FLAC__ASSERT(0 != encoder->protected_);
|
|
FLAC__ASSERT(0 != encoder->private_->FLAC_stream_encoder);
|
|
return FLAC__stream_encoder_get_loose_mid_side_stereo(encoder->private_->FLAC_stream_encoder);
|
|
}
|
|
|
|
OggFLAC_API unsigned OggFLAC__seekable_stream_encoder_get_channels(const OggFLAC__SeekableStreamEncoder *encoder)
|
|
{
|
|
FLAC__ASSERT(0 != encoder);
|
|
FLAC__ASSERT(0 != encoder->private_);
|
|
FLAC__ASSERT(0 != encoder->protected_);
|
|
FLAC__ASSERT(0 != encoder->private_->FLAC_stream_encoder);
|
|
return FLAC__stream_encoder_get_channels(encoder->private_->FLAC_stream_encoder);
|
|
}
|
|
|
|
OggFLAC_API unsigned OggFLAC__seekable_stream_encoder_get_bits_per_sample(const OggFLAC__SeekableStreamEncoder *encoder)
|
|
{
|
|
FLAC__ASSERT(0 != encoder);
|
|
FLAC__ASSERT(0 != encoder->private_);
|
|
FLAC__ASSERT(0 != encoder->protected_);
|
|
FLAC__ASSERT(0 != encoder->private_->FLAC_stream_encoder);
|
|
return FLAC__stream_encoder_get_bits_per_sample(encoder->private_->FLAC_stream_encoder);
|
|
}
|
|
|
|
OggFLAC_API unsigned OggFLAC__seekable_stream_encoder_get_sample_rate(const OggFLAC__SeekableStreamEncoder *encoder)
|
|
{
|
|
FLAC__ASSERT(0 != encoder);
|
|
FLAC__ASSERT(0 != encoder->private_);
|
|
FLAC__ASSERT(0 != encoder->protected_);
|
|
FLAC__ASSERT(0 != encoder->private_->FLAC_stream_encoder);
|
|
return FLAC__stream_encoder_get_sample_rate(encoder->private_->FLAC_stream_encoder);
|
|
}
|
|
|
|
OggFLAC_API unsigned OggFLAC__seekable_stream_encoder_get_blocksize(const OggFLAC__SeekableStreamEncoder *encoder)
|
|
{
|
|
FLAC__ASSERT(0 != encoder);
|
|
FLAC__ASSERT(0 != encoder->private_);
|
|
FLAC__ASSERT(0 != encoder->protected_);
|
|
FLAC__ASSERT(0 != encoder->private_->FLAC_stream_encoder);
|
|
return FLAC__stream_encoder_get_blocksize(encoder->private_->FLAC_stream_encoder);
|
|
}
|
|
|
|
OggFLAC_API unsigned OggFLAC__seekable_stream_encoder_get_max_lpc_order(const OggFLAC__SeekableStreamEncoder *encoder)
|
|
{
|
|
FLAC__ASSERT(0 != encoder);
|
|
FLAC__ASSERT(0 != encoder->private_);
|
|
FLAC__ASSERT(0 != encoder->protected_);
|
|
FLAC__ASSERT(0 != encoder->private_->FLAC_stream_encoder);
|
|
return FLAC__stream_encoder_get_max_lpc_order(encoder->private_->FLAC_stream_encoder);
|
|
}
|
|
|
|
OggFLAC_API unsigned OggFLAC__seekable_stream_encoder_get_qlp_coeff_precision(const OggFLAC__SeekableStreamEncoder *encoder)
|
|
{
|
|
FLAC__ASSERT(0 != encoder);
|
|
FLAC__ASSERT(0 != encoder->private_);
|
|
FLAC__ASSERT(0 != encoder->protected_);
|
|
FLAC__ASSERT(0 != encoder->private_->FLAC_stream_encoder);
|
|
return FLAC__stream_encoder_get_qlp_coeff_precision(encoder->private_->FLAC_stream_encoder);
|
|
}
|
|
|
|
OggFLAC_API FLAC__bool OggFLAC__seekable_stream_encoder_get_do_qlp_coeff_prec_search(const OggFLAC__SeekableStreamEncoder *encoder)
|
|
{
|
|
FLAC__ASSERT(0 != encoder);
|
|
FLAC__ASSERT(0 != encoder->private_);
|
|
FLAC__ASSERT(0 != encoder->protected_);
|
|
FLAC__ASSERT(0 != encoder->private_->FLAC_stream_encoder);
|
|
return FLAC__stream_encoder_get_do_qlp_coeff_prec_search(encoder->private_->FLAC_stream_encoder);
|
|
}
|
|
|
|
OggFLAC_API FLAC__bool OggFLAC__seekable_stream_encoder_get_do_escape_coding(const OggFLAC__SeekableStreamEncoder *encoder)
|
|
{
|
|
FLAC__ASSERT(0 != encoder);
|
|
FLAC__ASSERT(0 != encoder->private_);
|
|
FLAC__ASSERT(0 != encoder->protected_);
|
|
FLAC__ASSERT(0 != encoder->private_->FLAC_stream_encoder);
|
|
return FLAC__stream_encoder_get_do_escape_coding(encoder->private_->FLAC_stream_encoder);
|
|
}
|
|
|
|
OggFLAC_API FLAC__bool OggFLAC__seekable_stream_encoder_get_do_exhaustive_model_search(const OggFLAC__SeekableStreamEncoder *encoder)
|
|
{
|
|
FLAC__ASSERT(0 != encoder);
|
|
FLAC__ASSERT(0 != encoder->private_);
|
|
FLAC__ASSERT(0 != encoder->protected_);
|
|
FLAC__ASSERT(0 != encoder->private_->FLAC_stream_encoder);
|
|
return FLAC__stream_encoder_get_do_exhaustive_model_search(encoder->private_->FLAC_stream_encoder);
|
|
}
|
|
|
|
OggFLAC_API unsigned OggFLAC__seekable_stream_encoder_get_min_residual_partition_order(const OggFLAC__SeekableStreamEncoder *encoder)
|
|
{
|
|
FLAC__ASSERT(0 != encoder);
|
|
FLAC__ASSERT(0 != encoder->private_);
|
|
FLAC__ASSERT(0 != encoder->protected_);
|
|
FLAC__ASSERT(0 != encoder->private_->FLAC_stream_encoder);
|
|
return FLAC__stream_encoder_get_min_residual_partition_order(encoder->private_->FLAC_stream_encoder);
|
|
}
|
|
|
|
OggFLAC_API unsigned OggFLAC__seekable_stream_encoder_get_max_residual_partition_order(const OggFLAC__SeekableStreamEncoder *encoder)
|
|
{
|
|
FLAC__ASSERT(0 != encoder);
|
|
FLAC__ASSERT(0 != encoder->private_);
|
|
FLAC__ASSERT(0 != encoder->protected_);
|
|
FLAC__ASSERT(0 != encoder->private_->FLAC_stream_encoder);
|
|
return FLAC__stream_encoder_get_max_residual_partition_order(encoder->private_->FLAC_stream_encoder);
|
|
}
|
|
|
|
OggFLAC_API unsigned OggFLAC__seekable_stream_encoder_get_rice_parameter_search_dist(const OggFLAC__SeekableStreamEncoder *encoder)
|
|
{
|
|
FLAC__ASSERT(0 != encoder);
|
|
FLAC__ASSERT(0 != encoder->private_);
|
|
FLAC__ASSERT(0 != encoder->protected_);
|
|
FLAC__ASSERT(0 != encoder->private_->FLAC_stream_encoder);
|
|
return FLAC__stream_encoder_get_rice_parameter_search_dist(encoder->private_->FLAC_stream_encoder);
|
|
}
|
|
|
|
OggFLAC_API FLAC__uint64 OggFLAC__seekable_stream_encoder_get_total_samples_estimate(const OggFLAC__SeekableStreamEncoder *encoder)
|
|
{
|
|
FLAC__ASSERT(0 != encoder);
|
|
FLAC__ASSERT(0 != encoder->private_);
|
|
FLAC__ASSERT(0 != encoder->protected_);
|
|
FLAC__ASSERT(0 != encoder->private_->FLAC_stream_encoder);
|
|
return FLAC__stream_encoder_get_total_samples_estimate(encoder->private_->FLAC_stream_encoder);
|
|
}
|
|
|
|
OggFLAC_API FLAC__bool OggFLAC__seekable_stream_encoder_process(OggFLAC__SeekableStreamEncoder *encoder, const FLAC__int32 * const buffer[], unsigned samples)
|
|
{
|
|
FLAC__ASSERT(0 != encoder);
|
|
FLAC__ASSERT(0 != encoder->private_);
|
|
FLAC__ASSERT(0 != encoder->protected_);
|
|
FLAC__ASSERT(0 != encoder->private_->FLAC_stream_encoder);
|
|
if(!FLAC__stream_encoder_process(encoder->private_->FLAC_stream_encoder, buffer, samples)) {
|
|
encoder->protected_->state = OggFLAC__SEEKABLE_STREAM_ENCODER_FLAC_STREAM_ENCODER_ERROR;
|
|
return false;
|
|
}
|
|
else
|
|
return true;
|
|
}
|
|
|
|
OggFLAC_API FLAC__bool OggFLAC__seekable_stream_encoder_process_interleaved(OggFLAC__SeekableStreamEncoder *encoder, const FLAC__int32 buffer[], unsigned samples)
|
|
{
|
|
FLAC__ASSERT(0 != encoder);
|
|
FLAC__ASSERT(0 != encoder->private_);
|
|
FLAC__ASSERT(0 != encoder->protected_);
|
|
FLAC__ASSERT(0 != encoder->private_->FLAC_stream_encoder);
|
|
if(!FLAC__stream_encoder_process_interleaved(encoder->private_->FLAC_stream_encoder, buffer, samples)) {
|
|
encoder->protected_->state = OggFLAC__SEEKABLE_STREAM_ENCODER_FLAC_STREAM_ENCODER_ERROR;
|
|
return false;
|
|
}
|
|
else
|
|
return true;
|
|
}
|
|
|
|
/***********************************************************************
|
|
*
|
|
* Private class methods
|
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*
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***********************************************************************/
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void set_defaults_(OggFLAC__SeekableStreamEncoder *encoder)
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{
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FLAC__ASSERT(0 != encoder);
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FLAC__ASSERT(0 != encoder->private_);
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FLAC__ASSERT(0 != encoder->protected_);
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encoder->private_->seek_callback = 0;
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encoder->private_->tell_callback = 0;
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encoder->private_->write_callback = 0;
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encoder->private_->client_data = 0;
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encoder->private_->seek_table = 0;
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OggFLAC__ogg_encoder_aspect_set_defaults(&encoder->protected_->ogg_encoder_aspect);
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}
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FLAC__StreamEncoderWriteStatus write_callback_(const FLAC__StreamEncoder *unused, const FLAC__byte buffer[], unsigned bytes, unsigned samples, unsigned current_frame, void *client_data)
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{
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OggFLAC__SeekableStreamEncoder *encoder = (OggFLAC__SeekableStreamEncoder*)client_data;
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FLAC__StreamEncoderWriteStatus status;
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FLAC__uint64 output_position;
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(void)unused; /* silence compiler warning about unused parameter */
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FLAC__ASSERT(encoder->private_->FLAC_stream_encoder == unused);
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if(encoder->private_->tell_callback(encoder, &output_position, encoder->private_->client_data) != FLAC__SEEKABLE_STREAM_ENCODER_TELL_STATUS_OK)
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return encoder->protected_->state = OggFLAC__SEEKABLE_STREAM_ENCODER_TELL_ERROR;
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/*
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* Watch for the STREAMINFO block and first SEEKTABLE block to go by and store their offsets.
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*/
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if(samples == 0) {
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FLAC__MetadataType type = (buffer[0] & 0x7f);
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if(type == FLAC__METADATA_TYPE_STREAMINFO)
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encoder->protected_->streaminfo_offset = output_position;
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else if(type == FLAC__METADATA_TYPE_SEEKTABLE && encoder->protected_->seektable_offset == 0)
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encoder->protected_->seektable_offset = output_position;
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}
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/*
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* Mark the current seek point if hit (if audio_offset == 0 that
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* means we're still writing metadata and haven't hit the first
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* frame yet)
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*/
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if(0 != encoder->private_->seek_table && encoder->protected_->audio_offset > 0 && encoder->private_->seek_table->num_points > 0) {
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const unsigned blocksize = FLAC__stream_encoder_get_blocksize(encoder->private_->FLAC_stream_encoder);
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const FLAC__uint64 frame_first_sample = encoder->private_->samples_written;
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const FLAC__uint64 frame_last_sample = frame_first_sample + (FLAC__uint64)blocksize - 1;
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FLAC__uint64 test_sample;
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unsigned i;
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for(i = encoder->private_->first_seekpoint_to_check; i < encoder->private_->seek_table->num_points; i++) {
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test_sample = encoder->private_->seek_table->points[i].sample_number;
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if(test_sample > frame_last_sample) {
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break;
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}
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else if(test_sample >= frame_first_sample) {
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encoder->private_->seek_table->points[i].sample_number = frame_first_sample;
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encoder->private_->seek_table->points[i].stream_offset = output_position - encoder->protected_->audio_offset;
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encoder->private_->seek_table->points[i].frame_samples = blocksize;
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encoder->private_->first_seekpoint_to_check++;
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/* DO NOT: "break;" and here's why:
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* The seektable template may contain more than one target
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* sample for any given frame; we will keep looping, generating
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* duplicate seekpoints for them, and we'll clean it up later,
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* just before writing the seektable back to the metadata.
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*/
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}
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else {
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encoder->private_->first_seekpoint_to_check++;
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}
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}
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}
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status = OggFLAC__ogg_encoder_aspect_write_callback_wrapper(&encoder->protected_->ogg_encoder_aspect, FLAC__stream_encoder_get_total_samples_estimate(encoder->private_->FLAC_stream_encoder), buffer, bytes, samples, current_frame, (OggFLAC__OggEncoderAspectWriteCallbackProxy)encoder->private_->write_callback, encoder, encoder->private_->client_data);
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if(status == FLAC__STREAM_ENCODER_WRITE_STATUS_OK) {
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encoder->private_->samples_written += samples;
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}
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else
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encoder->protected_->state = OggFLAC__SEEKABLE_STREAM_ENCODER_WRITE_ERROR;
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return status;
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}
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void metadata_callback_(const FLAC__StreamEncoder *unused, const FLAC__StreamMetadata *metadata, void *client_data)
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{
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OggFLAC__SeekableStreamEncoder *encoder = (OggFLAC__SeekableStreamEncoder*)client_data;
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FLAC__byte b[max(6, FLAC__STREAM_METADATA_SEEKPOINT_LENGTH)];
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const FLAC__uint64 samples = metadata->data.stream_info.total_samples;
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const unsigned min_framesize = metadata->data.stream_info.min_framesize;
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const unsigned max_framesize = metadata->data.stream_info.max_framesize;
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ogg_page page;
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FLAC__ASSERT(metadata->type == FLAC__METADATA_TYPE_STREAMINFO);
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/* We get called by the stream encoder when the encoding process
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* has finished so that we can update the STREAMINFO and SEEKTABLE
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* blocks.
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*/
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(void)unused; /* silence compiler warning about unused parameter */
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FLAC__ASSERT(encoder->private_->FLAC_stream_encoder == unused);
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/*@@@ reopen callback here? The docs currently require user to open files in update mode from the start */
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/* All this is based on intimate knowledge of the stream header
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* layout, but a change to the header format that would break this
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* would also break all streams encoded in the previous format.
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*/
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/*
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* Write STREAMINFO stats
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*/
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simple_ogg_page__init(&page);
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if(!simple_ogg_page__get_at(encoder, encoder->protected_->streaminfo_offset, &page, encoder->private_->seek_callback, encoder->private_->read_callback, encoder->private_->client_data)) {
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simple_ogg_page__clear(&page);
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return; /* state already set */
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}
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/*
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* MD5 signature
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*/
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{
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const unsigned md5_offset =
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FLAC__STREAM_METADATA_HEADER_LENGTH +
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(
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FLAC__STREAM_METADATA_STREAMINFO_MIN_BLOCK_SIZE_LEN +
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FLAC__STREAM_METADATA_STREAMINFO_MAX_BLOCK_SIZE_LEN +
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FLAC__STREAM_METADATA_STREAMINFO_MIN_FRAME_SIZE_LEN +
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FLAC__STREAM_METADATA_STREAMINFO_MAX_FRAME_SIZE_LEN +
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FLAC__STREAM_METADATA_STREAMINFO_SAMPLE_RATE_LEN +
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FLAC__STREAM_METADATA_STREAMINFO_CHANNELS_LEN +
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FLAC__STREAM_METADATA_STREAMINFO_BITS_PER_SAMPLE_LEN +
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FLAC__STREAM_METADATA_STREAMINFO_TOTAL_SAMPLES_LEN
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) / 8;
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if(md5_offset + 16 > (unsigned)page.body_len) {
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encoder->protected_->state = OggFLAC__SEEKABLE_STREAM_ENCODER_OGG_ERROR;
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simple_ogg_page__clear(&page);
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return;
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}
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memcpy(page.body + md5_offset, metadata->data.stream_info.md5sum, 16);
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}
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/*
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* total samples
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*/
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{
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const unsigned total_samples_byte_offset =
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FLAC__STREAM_METADATA_HEADER_LENGTH +
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(
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FLAC__STREAM_METADATA_STREAMINFO_MIN_BLOCK_SIZE_LEN +
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FLAC__STREAM_METADATA_STREAMINFO_MAX_BLOCK_SIZE_LEN +
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FLAC__STREAM_METADATA_STREAMINFO_MIN_FRAME_SIZE_LEN +
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FLAC__STREAM_METADATA_STREAMINFO_MAX_FRAME_SIZE_LEN +
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FLAC__STREAM_METADATA_STREAMINFO_SAMPLE_RATE_LEN +
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FLAC__STREAM_METADATA_STREAMINFO_CHANNELS_LEN +
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FLAC__STREAM_METADATA_STREAMINFO_BITS_PER_SAMPLE_LEN
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- 4
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) / 8;
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if(total_samples_byte_offset + 5 > (unsigned)page.body_len) {
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encoder->protected_->state = OggFLAC__SEEKABLE_STREAM_ENCODER_OGG_ERROR;
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simple_ogg_page__clear(&page);
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return;
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}
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b[0] = (FLAC__byte)page.body[total_samples_byte_offset] & 0xF0;
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b[0] |= (FLAC__byte)((samples >> 32) & 0x0F);
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b[1] = (FLAC__byte)((samples >> 24) & 0xFF);
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b[2] = (FLAC__byte)((samples >> 16) & 0xFF);
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b[3] = (FLAC__byte)((samples >> 8) & 0xFF);
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b[4] = (FLAC__byte)(samples & 0xFF);
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memcpy(page.body + total_samples_byte_offset, b, 5);
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}
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/*
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* min/max framesize
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*/
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{
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const unsigned min_framesize_offset =
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FLAC__STREAM_METADATA_HEADER_LENGTH +
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(
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FLAC__STREAM_METADATA_STREAMINFO_MIN_BLOCK_SIZE_LEN +
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FLAC__STREAM_METADATA_STREAMINFO_MAX_BLOCK_SIZE_LEN
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) / 8;
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if(min_framesize_offset + 6 > (unsigned)page.body_len) {
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encoder->protected_->state = OggFLAC__SEEKABLE_STREAM_ENCODER_OGG_ERROR;
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simple_ogg_page__clear(&page);
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return;
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}
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b[0] = (FLAC__byte)((min_framesize >> 16) & 0xFF);
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b[1] = (FLAC__byte)((min_framesize >> 8) & 0xFF);
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b[2] = (FLAC__byte)(min_framesize & 0xFF);
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b[3] = (FLAC__byte)((max_framesize >> 16) & 0xFF);
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b[4] = (FLAC__byte)((max_framesize >> 8) & 0xFF);
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b[5] = (FLAC__byte)(max_framesize & 0xFF);
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memcpy(page.body + min_framesize_offset, b, 6);
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}
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if(!simple_ogg_page__set_at(encoder, encoder->protected_->streaminfo_offset, &page, encoder->private_->seek_callback, encoder->private_->write_callback, encoder->private_->client_data)) {
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simple_ogg_page__clear(&page);
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return; /* state already set */
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}
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simple_ogg_page__clear(&page);
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/*
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* Write seektable
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*/
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if(0 != encoder->private_->seek_table && encoder->private_->seek_table->num_points > 0 && encoder->protected_->seektable_offset > 0) {
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unsigned i;
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FLAC__byte *p;
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FLAC__format_seektable_sort(encoder->private_->seek_table);
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FLAC__ASSERT(FLAC__format_seektable_is_legal(encoder->private_->seek_table));
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simple_ogg_page__init(&page);
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if(!simple_ogg_page__get_at(encoder, encoder->protected_->seektable_offset, &page, encoder->private_->seek_callback, encoder->private_->read_callback, encoder->private_->client_data)) {
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simple_ogg_page__clear(&page);
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return; /* state already set */
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}
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if(FLAC__STREAM_METADATA_HEADER_LENGTH + (18*encoder->private_->seek_table->num_points) > (unsigned)page.body_len) {
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encoder->protected_->state = OggFLAC__SEEKABLE_STREAM_ENCODER_OGG_ERROR;
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simple_ogg_page__clear(&page);
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return;
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}
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for(i = 0, p = page.body + FLAC__STREAM_METADATA_HEADER_LENGTH; i < encoder->private_->seek_table->num_points; i++, p += 18) {
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FLAC__uint64 xx;
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unsigned x;
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xx = encoder->private_->seek_table->points[i].sample_number;
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b[7] = (FLAC__byte)xx; xx >>= 8;
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b[6] = (FLAC__byte)xx; xx >>= 8;
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b[5] = (FLAC__byte)xx; xx >>= 8;
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b[4] = (FLAC__byte)xx; xx >>= 8;
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b[3] = (FLAC__byte)xx; xx >>= 8;
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b[2] = (FLAC__byte)xx; xx >>= 8;
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b[1] = (FLAC__byte)xx; xx >>= 8;
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b[0] = (FLAC__byte)xx; xx >>= 8;
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xx = encoder->private_->seek_table->points[i].stream_offset;
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b[15] = (FLAC__byte)xx; xx >>= 8;
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b[14] = (FLAC__byte)xx; xx >>= 8;
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b[13] = (FLAC__byte)xx; xx >>= 8;
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b[12] = (FLAC__byte)xx; xx >>= 8;
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b[11] = (FLAC__byte)xx; xx >>= 8;
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b[10] = (FLAC__byte)xx; xx >>= 8;
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b[9] = (FLAC__byte)xx; xx >>= 8;
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b[8] = (FLAC__byte)xx; xx >>= 8;
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x = encoder->private_->seek_table->points[i].frame_samples;
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b[17] = (FLAC__byte)x; x >>= 8;
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b[16] = (FLAC__byte)x; x >>= 8;
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if(encoder->private_->write_callback(encoder, b, 18, 0, 0, encoder->private_->client_data) != FLAC__STREAM_ENCODER_WRITE_STATUS_OK) {
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encoder->protected_->state = OggFLAC__SEEKABLE_STREAM_ENCODER_WRITE_ERROR;
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simple_ogg_page__clear(&page);
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return;
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}
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memcpy(p, b, 18);
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}
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if(!simple_ogg_page__set_at(encoder, encoder->protected_->seektable_offset, &page, encoder->private_->seek_callback, encoder->private_->write_callback, encoder->private_->client_data)) {
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simple_ogg_page__clear(&page);
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return; /* state already set */
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}
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simple_ogg_page__clear(&page);
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}
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}
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