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/* libOggFLAC - Free Lossless Audio Codec + Ogg library
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* Copyright (C) 2002,2003,2004,2005 Josh Coalson
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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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* - 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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* - 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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* - 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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* 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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#include <stdlib.h> /* for calloc() */
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#include "FLAC/assert.h"
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#include "protected/stream_decoder.h"
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/***********************************************************************
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* Private class method prototypes
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***********************************************************************/
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static void set_defaults_(OggFLAC__StreamDecoder *decoder);
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static FLAC__StreamDecoderReadStatus read_callback_(const FLAC__StreamDecoder *decoder, FLAC__byte buffer[], unsigned *bytes, void *client_data);
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static FLAC__StreamDecoderWriteStatus write_callback_(const FLAC__StreamDecoder *decoder, const FLAC__Frame *frame, const FLAC__int32 * const buffer[], void *client_data);
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static void metadata_callback_(const FLAC__StreamDecoder *decoder, const FLAC__StreamMetadata *metadata, void *client_data);
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static void error_callback_(const FLAC__StreamDecoder *decoder, FLAC__StreamDecoderErrorStatus status, void *client_data);
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static OggFLAC__OggDecoderAspectReadStatus read_callback_proxy_(const void *void_decoder, FLAC__byte buffer[], unsigned *bytes, void *client_data);
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/***********************************************************************
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***********************************************************************/
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typedef struct OggFLAC__StreamDecoderPrivate {
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OggFLAC__StreamDecoderReadCallback read_callback;
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OggFLAC__StreamDecoderWriteCallback write_callback;
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OggFLAC__StreamDecoderMetadataCallback metadata_callback;
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OggFLAC__StreamDecoderErrorCallback error_callback;
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FLAC__StreamDecoder *FLAC_stream_decoder;
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} OggFLAC__StreamDecoderPrivate;
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/***********************************************************************
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* Public static class data
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***********************************************************************/
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OggFLAC_API const char * const OggFLAC__StreamDecoderStateString[] = {
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"OggFLAC__STREAM_DECODER_OK",
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"OggFLAC__STREAM_DECODER_END_OF_STREAM",
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"OggFLAC__STREAM_DECODER_OGG_ERROR",
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"OggFLAC__STREAM_DECODER_READ_ERROR",
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"OggFLAC__STREAM_DECODER_FLAC_STREAM_DECODER_ERROR",
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"OggFLAC__STREAM_DECODER_MEMORY_ALLOCATION_ERROR",
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"OggFLAC__STREAM_DECODER_ALREADY_INITIALIZED",
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"OggFLAC__STREAM_DECODER_INVALID_CALLBACK",
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"OggFLAC__STREAM_DECODER_UNINITIALIZED"
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/***********************************************************************
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* Class constructor/destructor
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***********************************************************************/
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OggFLAC_API OggFLAC__StreamDecoder *OggFLAC__stream_decoder_new()
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OggFLAC__StreamDecoder *decoder;
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decoder = (OggFLAC__StreamDecoder*)calloc(1, sizeof(OggFLAC__StreamDecoder));
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decoder->protected_ = (OggFLAC__StreamDecoderProtected*)calloc(1, sizeof(OggFLAC__StreamDecoderProtected));
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if(decoder->protected_ == 0) {
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decoder->private_ = (OggFLAC__StreamDecoderPrivate*)calloc(1, sizeof(OggFLAC__StreamDecoderPrivate));
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if(decoder->private_ == 0) {
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free(decoder->protected_);
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decoder->private_->FLAC_stream_decoder = FLAC__stream_decoder_new();
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if(0 == decoder->private_->FLAC_stream_decoder) {
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free(decoder->private_);
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free(decoder->protected_);
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set_defaults_(decoder);
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decoder->protected_->state = OggFLAC__STREAM_DECODER_UNINITIALIZED;
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OggFLAC_API void OggFLAC__stream_decoder_delete(OggFLAC__StreamDecoder *decoder)
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FLAC__ASSERT(0 != decoder);
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FLAC__ASSERT(0 != decoder->protected_);
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FLAC__ASSERT(0 != decoder->private_);
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FLAC__ASSERT(0 != decoder->private_->FLAC_stream_decoder);
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OggFLAC__stream_decoder_finish(decoder);
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FLAC__stream_decoder_delete(decoder->private_->FLAC_stream_decoder);
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free(decoder->private_);
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free(decoder->protected_);
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/***********************************************************************
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* Public class methods
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***********************************************************************/
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OggFLAC_API OggFLAC__StreamDecoderState OggFLAC__stream_decoder_init(OggFLAC__StreamDecoder *decoder)
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FLAC__ASSERT(0 != decoder);
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if(decoder->protected_->state != OggFLAC__STREAM_DECODER_UNINITIALIZED)
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return decoder->protected_->state = OggFLAC__STREAM_DECODER_ALREADY_INITIALIZED;
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if(0 == decoder->private_->read_callback || 0 == decoder->private_->write_callback || 0 == decoder->private_->metadata_callback || 0 == decoder->private_->error_callback)
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return decoder->protected_->state = OggFLAC__STREAM_DECODER_INVALID_CALLBACK;
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if(!OggFLAC__ogg_decoder_aspect_init(&decoder->protected_->ogg_decoder_aspect))
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return decoder->protected_->state = OggFLAC__STREAM_DECODER_OGG_ERROR;
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FLAC__stream_decoder_set_read_callback(decoder->private_->FLAC_stream_decoder, read_callback_);
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FLAC__stream_decoder_set_write_callback(decoder->private_->FLAC_stream_decoder, write_callback_);
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FLAC__stream_decoder_set_metadata_callback(decoder->private_->FLAC_stream_decoder, metadata_callback_);
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FLAC__stream_decoder_set_error_callback(decoder->private_->FLAC_stream_decoder, error_callback_);
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FLAC__stream_decoder_set_client_data(decoder->private_->FLAC_stream_decoder, decoder);
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if(FLAC__stream_decoder_init(decoder->private_->FLAC_stream_decoder) != FLAC__STREAM_DECODER_SEARCH_FOR_METADATA)
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return decoder->protected_->state = OggFLAC__STREAM_DECODER_FLAC_STREAM_DECODER_ERROR;
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return decoder->protected_->state = OggFLAC__STREAM_DECODER_OK;
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OggFLAC_API void OggFLAC__stream_decoder_finish(OggFLAC__StreamDecoder *decoder)
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FLAC__ASSERT(0 != decoder);
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FLAC__ASSERT(0 != decoder->private_);
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FLAC__ASSERT(0 != decoder->protected_);
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if(decoder->protected_->state == OggFLAC__STREAM_DECODER_UNINITIALIZED)
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FLAC__ASSERT(0 != decoder->private_->FLAC_stream_decoder);
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FLAC__stream_decoder_finish(decoder->private_->FLAC_stream_decoder);
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OggFLAC__ogg_decoder_aspect_finish(&decoder->protected_->ogg_decoder_aspect);
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set_defaults_(decoder);
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decoder->protected_->state = OggFLAC__STREAM_DECODER_UNINITIALIZED;
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OggFLAC_API FLAC__bool OggFLAC__stream_decoder_set_read_callback(OggFLAC__StreamDecoder *decoder, OggFLAC__StreamDecoderReadCallback value)
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FLAC__ASSERT(0 != decoder);
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FLAC__ASSERT(0 != decoder->private_);
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FLAC__ASSERT(0 != decoder->protected_);
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if(decoder->protected_->state != OggFLAC__STREAM_DECODER_UNINITIALIZED)
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decoder->private_->read_callback = value;
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OggFLAC_API FLAC__bool OggFLAC__stream_decoder_set_write_callback(OggFLAC__StreamDecoder *decoder, OggFLAC__StreamDecoderWriteCallback value)
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FLAC__ASSERT(0 != decoder);
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FLAC__ASSERT(0 != decoder->private_);
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FLAC__ASSERT(0 != decoder->protected_);
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if(decoder->protected_->state != OggFLAC__STREAM_DECODER_UNINITIALIZED)
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decoder->private_->write_callback = value;
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OggFLAC_API FLAC__bool OggFLAC__stream_decoder_set_metadata_callback(OggFLAC__StreamDecoder *decoder, OggFLAC__StreamDecoderMetadataCallback value)
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FLAC__ASSERT(0 != decoder);
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FLAC__ASSERT(0 != decoder->private_);
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FLAC__ASSERT(0 != decoder->protected_);
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if(decoder->protected_->state != OggFLAC__STREAM_DECODER_UNINITIALIZED)
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decoder->private_->metadata_callback = value;
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OggFLAC_API FLAC__bool OggFLAC__stream_decoder_set_error_callback(OggFLAC__StreamDecoder *decoder, OggFLAC__StreamDecoderErrorCallback value)
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FLAC__ASSERT(0 != decoder);
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FLAC__ASSERT(0 != decoder->private_);
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FLAC__ASSERT(0 != decoder->protected_);
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if(decoder->protected_->state != OggFLAC__STREAM_DECODER_UNINITIALIZED)
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decoder->private_->error_callback = value;
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OggFLAC_API FLAC__bool OggFLAC__stream_decoder_set_client_data(OggFLAC__StreamDecoder *decoder, void *value)
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FLAC__ASSERT(0 != decoder);
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FLAC__ASSERT(0 != decoder->private_);
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FLAC__ASSERT(0 != decoder->protected_);
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if(decoder->protected_->state != OggFLAC__STREAM_DECODER_UNINITIALIZED)
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decoder->private_->client_data = value;
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OggFLAC_API FLAC__bool OggFLAC__stream_decoder_set_serial_number(OggFLAC__StreamDecoder *decoder, long value)
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FLAC__ASSERT(0 != decoder);
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FLAC__ASSERT(0 != decoder->private_);
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FLAC__ASSERT(0 != decoder->protected_);
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if(decoder->protected_->state != OggFLAC__STREAM_DECODER_UNINITIALIZED)
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OggFLAC__ogg_decoder_aspect_set_serial_number(&decoder->protected_->ogg_decoder_aspect, value);
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OggFLAC_API FLAC__bool OggFLAC__stream_decoder_set_metadata_respond(OggFLAC__StreamDecoder *decoder, FLAC__MetadataType type)
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FLAC__ASSERT(0 != decoder);
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FLAC__ASSERT(0 != decoder->private_);
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FLAC__ASSERT(0 != decoder->protected_);
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if(decoder->protected_->state != OggFLAC__STREAM_DECODER_UNINITIALIZED)
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return FLAC__stream_decoder_set_metadata_respond(decoder->private_->FLAC_stream_decoder, type);
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OggFLAC_API FLAC__bool OggFLAC__stream_decoder_set_metadata_respond_application(OggFLAC__StreamDecoder *decoder, const FLAC__byte id[4])
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FLAC__ASSERT(0 != decoder);
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FLAC__ASSERT(0 != decoder->private_);
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FLAC__ASSERT(0 != decoder->protected_);
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if(decoder->protected_->state != OggFLAC__STREAM_DECODER_UNINITIALIZED)
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return FLAC__stream_decoder_set_metadata_respond_application(decoder->private_->FLAC_stream_decoder, id);
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OggFLAC_API FLAC__bool OggFLAC__stream_decoder_set_metadata_respond_all(OggFLAC__StreamDecoder *decoder)
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FLAC__ASSERT(0 != decoder);
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FLAC__ASSERT(0 != decoder->private_);
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FLAC__ASSERT(0 != decoder->protected_);
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if(decoder->protected_->state != OggFLAC__STREAM_DECODER_UNINITIALIZED)
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return FLAC__stream_decoder_set_metadata_respond_all(decoder->private_->FLAC_stream_decoder);
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OggFLAC_API FLAC__bool OggFLAC__stream_decoder_set_metadata_ignore(OggFLAC__StreamDecoder *decoder, FLAC__MetadataType type)
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FLAC__ASSERT(0 != decoder);
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FLAC__ASSERT(0 != decoder->private_);
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FLAC__ASSERT(0 != decoder->protected_);
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if(decoder->protected_->state != OggFLAC__STREAM_DECODER_UNINITIALIZED)
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return FLAC__stream_decoder_set_metadata_ignore(decoder->private_->FLAC_stream_decoder, type);
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OggFLAC_API FLAC__bool OggFLAC__stream_decoder_set_metadata_ignore_application(OggFLAC__StreamDecoder *decoder, const FLAC__byte id[4])
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FLAC__ASSERT(0 != decoder);
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FLAC__ASSERT(0 != decoder->private_);
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FLAC__ASSERT(0 != decoder->protected_);
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if(decoder->protected_->state != OggFLAC__STREAM_DECODER_UNINITIALIZED)
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return FLAC__stream_decoder_set_metadata_ignore_application(decoder->private_->FLAC_stream_decoder, id);
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OggFLAC_API FLAC__bool OggFLAC__stream_decoder_set_metadata_ignore_all(OggFLAC__StreamDecoder *decoder)
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FLAC__ASSERT(0 != decoder);
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FLAC__ASSERT(0 != decoder->private_);
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FLAC__ASSERT(0 != decoder->protected_);
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if(decoder->protected_->state != OggFLAC__STREAM_DECODER_UNINITIALIZED)
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return FLAC__stream_decoder_set_metadata_ignore_all(decoder->private_->FLAC_stream_decoder);
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OggFLAC_API OggFLAC__StreamDecoderState OggFLAC__stream_decoder_get_state(const OggFLAC__StreamDecoder *decoder)
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FLAC__ASSERT(0 != decoder);
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FLAC__ASSERT(0 != decoder->protected_);
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return decoder->protected_->state;
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OggFLAC_API FLAC__StreamDecoderState OggFLAC__stream_decoder_get_FLAC_stream_decoder_state(const OggFLAC__StreamDecoder *decoder)
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FLAC__ASSERT(0 != decoder);
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FLAC__ASSERT(0 != decoder->private_);
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return FLAC__stream_decoder_get_state(decoder->private_->FLAC_stream_decoder);
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OggFLAC_API const char *OggFLAC__stream_decoder_get_resolved_state_string(const OggFLAC__StreamDecoder *decoder)
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if(decoder->protected_->state != OggFLAC__STREAM_DECODER_FLAC_STREAM_DECODER_ERROR)
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return OggFLAC__StreamDecoderStateString[decoder->protected_->state];
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return FLAC__stream_decoder_get_resolved_state_string(decoder->private_->FLAC_stream_decoder);
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OggFLAC_API unsigned OggFLAC__stream_decoder_get_channels(const OggFLAC__StreamDecoder *decoder)
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FLAC__ASSERT(0 != decoder);
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FLAC__ASSERT(0 != decoder->private_);
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return FLAC__stream_decoder_get_channels(decoder->private_->FLAC_stream_decoder);
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OggFLAC_API FLAC__ChannelAssignment OggFLAC__stream_decoder_get_channel_assignment(const OggFLAC__StreamDecoder *decoder)
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FLAC__ASSERT(0 != decoder);
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FLAC__ASSERT(0 != decoder->private_);
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return FLAC__stream_decoder_get_channel_assignment(decoder->private_->FLAC_stream_decoder);
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OggFLAC_API unsigned OggFLAC__stream_decoder_get_bits_per_sample(const OggFLAC__StreamDecoder *decoder)
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FLAC__ASSERT(0 != decoder);
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FLAC__ASSERT(0 != decoder->private_);
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return FLAC__stream_decoder_get_bits_per_sample(decoder->private_->FLAC_stream_decoder);
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OggFLAC_API unsigned OggFLAC__stream_decoder_get_sample_rate(const OggFLAC__StreamDecoder *decoder)
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FLAC__ASSERT(0 != decoder);
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FLAC__ASSERT(0 != decoder->private_);
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return FLAC__stream_decoder_get_sample_rate(decoder->private_->FLAC_stream_decoder);
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OggFLAC_API unsigned OggFLAC__stream_decoder_get_blocksize(const OggFLAC__StreamDecoder *decoder)
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FLAC__ASSERT(0 != decoder);
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FLAC__ASSERT(0 != decoder->private_);
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return FLAC__stream_decoder_get_blocksize(decoder->private_->FLAC_stream_decoder);
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OggFLAC_API FLAC__bool OggFLAC__stream_decoder_flush(OggFLAC__StreamDecoder *decoder)
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FLAC__ASSERT(0 != decoder);
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FLAC__ASSERT(0 != decoder->private_);
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FLAC__ASSERT(0 != decoder->protected_);
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OggFLAC__ogg_decoder_aspect_flush(&decoder->protected_->ogg_decoder_aspect);
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if(!FLAC__stream_decoder_flush(decoder->private_->FLAC_stream_decoder)) {
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decoder->protected_->state = OggFLAC__STREAM_DECODER_FLAC_STREAM_DECODER_ERROR;
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decoder->protected_->state = OggFLAC__STREAM_DECODER_OK;
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OggFLAC_API FLAC__bool OggFLAC__stream_decoder_reset(OggFLAC__StreamDecoder *decoder)
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FLAC__ASSERT(0 != decoder);
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FLAC__ASSERT(0 != decoder->private_);
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FLAC__ASSERT(0 != decoder->protected_);
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if(!OggFLAC__stream_decoder_flush(decoder)) {
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decoder->protected_->state = OggFLAC__STREAM_DECODER_MEMORY_ALLOCATION_ERROR;
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OggFLAC__ogg_decoder_aspect_reset(&decoder->protected_->ogg_decoder_aspect);
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if(!FLAC__stream_decoder_reset(decoder->private_->FLAC_stream_decoder)) {
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decoder->protected_->state = OggFLAC__STREAM_DECODER_FLAC_STREAM_DECODER_ERROR;
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decoder->protected_->state = OggFLAC__STREAM_DECODER_OK;
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OggFLAC_API FLAC__bool OggFLAC__stream_decoder_process_single(OggFLAC__StreamDecoder *decoder)
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FLAC__ASSERT(0 != decoder);
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if(FLAC__stream_decoder_get_state(decoder->private_->FLAC_stream_decoder) == FLAC__STREAM_DECODER_END_OF_STREAM)
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decoder->protected_->state = OggFLAC__STREAM_DECODER_END_OF_STREAM;
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if(decoder->protected_->state == OggFLAC__STREAM_DECODER_END_OF_STREAM)
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FLAC__ASSERT(decoder->protected_->state == OggFLAC__STREAM_DECODER_OK);
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ret = FLAC__stream_decoder_process_single(decoder->private_->FLAC_stream_decoder);
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decoder->protected_->state = OggFLAC__STREAM_DECODER_FLAC_STREAM_DECODER_ERROR;
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OggFLAC_API FLAC__bool OggFLAC__stream_decoder_process_until_end_of_metadata(OggFLAC__StreamDecoder *decoder)
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FLAC__ASSERT(0 != decoder);
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if(FLAC__stream_decoder_get_state(decoder->private_->FLAC_stream_decoder) == FLAC__STREAM_DECODER_END_OF_STREAM)
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decoder->protected_->state = OggFLAC__STREAM_DECODER_END_OF_STREAM;
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if(decoder->protected_->state == OggFLAC__STREAM_DECODER_END_OF_STREAM)
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FLAC__ASSERT(decoder->protected_->state == OggFLAC__STREAM_DECODER_OK);
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ret = FLAC__stream_decoder_process_until_end_of_metadata(decoder->private_->FLAC_stream_decoder);
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decoder->protected_->state = OggFLAC__STREAM_DECODER_FLAC_STREAM_DECODER_ERROR;
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OggFLAC_API FLAC__bool OggFLAC__stream_decoder_process_until_end_of_stream(OggFLAC__StreamDecoder *decoder)
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FLAC__ASSERT(0 != decoder);
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if(FLAC__stream_decoder_get_state(decoder->private_->FLAC_stream_decoder) == FLAC__STREAM_DECODER_END_OF_STREAM)
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decoder->protected_->state = OggFLAC__STREAM_DECODER_END_OF_STREAM;
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if(decoder->protected_->state == OggFLAC__STREAM_DECODER_END_OF_STREAM)
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FLAC__ASSERT(decoder->protected_->state == OggFLAC__STREAM_DECODER_OK);
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ret = FLAC__stream_decoder_process_until_end_of_stream(decoder->private_->FLAC_stream_decoder);
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decoder->protected_->state = OggFLAC__STREAM_DECODER_FLAC_STREAM_DECODER_ERROR;
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/***********************************************************************
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* Private class methods
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***********************************************************************/
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void set_defaults_(OggFLAC__StreamDecoder *decoder)
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decoder->private_->read_callback = 0;
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decoder->private_->write_callback = 0;
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decoder->private_->metadata_callback = 0;
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decoder->private_->error_callback = 0;
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decoder->private_->client_data = 0;
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OggFLAC__ogg_decoder_aspect_set_defaults(&decoder->protected_->ogg_decoder_aspect);
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FLAC__StreamDecoderReadStatus read_callback_(const FLAC__StreamDecoder *unused, FLAC__byte buffer[], unsigned *bytes, void *client_data)
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OggFLAC__StreamDecoder *decoder = (OggFLAC__StreamDecoder*)client_data;
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switch(OggFLAC__ogg_decoder_aspect_read_callback_wrapper(&decoder->protected_->ogg_decoder_aspect, buffer, bytes, read_callback_proxy_, decoder, decoder->private_->client_data)) {
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case OggFLAC__OGG_DECODER_ASPECT_READ_STATUS_OK:
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return FLAC__STREAM_DECODER_READ_STATUS_CONTINUE;
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/* we don't really have a way to handle lost sync via read
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* callback so we'll let it pass and let the underlying
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* FLAC decoder catch the error
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case OggFLAC__OGG_DECODER_ASPECT_READ_STATUS_LOST_SYNC:
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return FLAC__STREAM_DECODER_READ_STATUS_CONTINUE;
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case OggFLAC__OGG_DECODER_ASPECT_READ_STATUS_END_OF_STREAM:
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return FLAC__STREAM_DECODER_READ_STATUS_END_OF_STREAM;
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case OggFLAC__OGG_DECODER_ASPECT_READ_STATUS_NOT_FLAC:
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case OggFLAC__OGG_DECODER_ASPECT_READ_STATUS_UNSUPPORTED_MAPPING_VERSION:
513
case OggFLAC__OGG_DECODER_ASPECT_READ_STATUS_ABORT:
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case OggFLAC__OGG_DECODER_ASPECT_READ_STATUS_ERROR:
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decoder->protected_->state = OggFLAC__STREAM_DECODER_READ_ERROR;
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return FLAC__STREAM_DECODER_READ_STATUS_ABORT;
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case OggFLAC__OGG_DECODER_ASPECT_READ_STATUS_MEMORY_ALLOCATION_ERROR:
518
decoder->protected_->state = OggFLAC__STREAM_DECODER_MEMORY_ALLOCATION_ERROR;
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return FLAC__STREAM_DECODER_READ_STATUS_ABORT;
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/* double protection */
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return FLAC__STREAM_DECODER_READ_STATUS_ABORT;
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FLAC__StreamDecoderWriteStatus write_callback_(const FLAC__StreamDecoder *unused, const FLAC__Frame *frame, const FLAC__int32 * const buffer[], void *client_data)
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OggFLAC__StreamDecoder *decoder = (OggFLAC__StreamDecoder*)client_data;
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return decoder->private_->write_callback(decoder, frame, buffer, decoder->private_->client_data);
534
void metadata_callback_(const FLAC__StreamDecoder *unused, const FLAC__StreamMetadata *metadata, void *client_data)
536
OggFLAC__StreamDecoder *decoder = (OggFLAC__StreamDecoder*)client_data;
538
decoder->private_->metadata_callback(decoder, metadata, decoder->private_->client_data);
541
void error_callback_(const FLAC__StreamDecoder *unused, FLAC__StreamDecoderErrorStatus status, void *client_data)
543
OggFLAC__StreamDecoder *decoder = (OggFLAC__StreamDecoder*)client_data;
545
decoder->private_->error_callback(decoder, status, decoder->private_->client_data);
548
OggFLAC__OggDecoderAspectReadStatus read_callback_proxy_(const void *void_decoder, FLAC__byte buffer[], unsigned *bytes, void *client_data)
550
OggFLAC__StreamDecoder *decoder = (OggFLAC__StreamDecoder*)void_decoder;
552
switch(decoder->private_->read_callback(decoder, buffer, bytes, client_data)) {
553
case FLAC__STREAM_DECODER_READ_STATUS_CONTINUE:
554
return OggFLAC__OGG_DECODER_ASPECT_READ_STATUS_OK;
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case FLAC__STREAM_DECODER_READ_STATUS_END_OF_STREAM:
556
return OggFLAC__OGG_DECODER_ASPECT_READ_STATUS_END_OF_STREAM;
557
case FLAC__STREAM_DECODER_READ_STATUS_ABORT:
558
return OggFLAC__OGG_DECODER_ASPECT_READ_STATUS_ABORT;
560
/* double protection: */
562
return OggFLAC__OGG_DECODER_ASPECT_READ_STATUS_ABORT;