81 lines
3.8 KiB
C
81 lines
3.8 KiB
C
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/* libFLAC - Free Lossless Audio Codec
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* Copyright (C) 2002-2009 Josh Coalson
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* Copyright (C) 2011-2016 Xiph.Org Foundation
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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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#ifndef FLAC__PRIVATE__OGG_DECODER_ASPECT_H
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#define FLAC__PRIVATE__OGG_DECODER_ASPECT_H
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#include <ogg/ogg.h>
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#include "FLAC/ordinals.h"
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#include "FLAC/stream_decoder.h" /* for FLAC__StreamDecoderReadStatus */
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typedef struct FLAC__OggDecoderAspect {
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/* these are storage for values that can be set through the API */
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FLAC__bool use_first_serial_number;
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long serial_number;
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/* these are for internal state related to Ogg decoding */
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ogg_stream_state stream_state;
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ogg_sync_state sync_state;
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uint32_t version_major, version_minor;
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FLAC__bool need_serial_number;
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FLAC__bool end_of_stream;
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FLAC__bool have_working_page; /* only if true will the following vars be valid */
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ogg_page working_page;
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FLAC__bool have_working_packet; /* only if true will the following vars be valid */
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ogg_packet working_packet; /* as we work through the packet we will move working_packet.packet forward and working_packet.bytes down */
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} FLAC__OggDecoderAspect;
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void FLAC__ogg_decoder_aspect_set_serial_number(FLAC__OggDecoderAspect *aspect, long value);
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void FLAC__ogg_decoder_aspect_set_defaults(FLAC__OggDecoderAspect *aspect);
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FLAC__bool FLAC__ogg_decoder_aspect_init(FLAC__OggDecoderAspect *aspect);
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void FLAC__ogg_decoder_aspect_finish(FLAC__OggDecoderAspect *aspect);
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void FLAC__ogg_decoder_aspect_flush(FLAC__OggDecoderAspect *aspect);
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void FLAC__ogg_decoder_aspect_reset(FLAC__OggDecoderAspect *aspect);
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typedef enum {
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FLAC__OGG_DECODER_ASPECT_READ_STATUS_OK = 0,
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FLAC__OGG_DECODER_ASPECT_READ_STATUS_END_OF_STREAM,
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FLAC__OGG_DECODER_ASPECT_READ_STATUS_LOST_SYNC,
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FLAC__OGG_DECODER_ASPECT_READ_STATUS_NOT_FLAC,
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FLAC__OGG_DECODER_ASPECT_READ_STATUS_UNSUPPORTED_MAPPING_VERSION,
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FLAC__OGG_DECODER_ASPECT_READ_STATUS_ABORT,
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FLAC__OGG_DECODER_ASPECT_READ_STATUS_ERROR,
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FLAC__OGG_DECODER_ASPECT_READ_STATUS_MEMORY_ALLOCATION_ERROR
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} FLAC__OggDecoderAspectReadStatus;
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typedef FLAC__OggDecoderAspectReadStatus (*FLAC__OggDecoderAspectReadCallbackProxy)(const void *decoder, FLAC__byte buffer[], size_t *bytes, void *client_data);
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FLAC__OggDecoderAspectReadStatus FLAC__ogg_decoder_aspect_read_callback_wrapper(FLAC__OggDecoderAspect *aspect, FLAC__byte buffer[], size_t *bytes, FLAC__OggDecoderAspectReadCallbackProxy read_callback, const FLAC__StreamDecoder *decoder, void *client_data);
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#endif
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