| 1 | /* libFLAC - Free Lossless Audio Codec |
| 2 | * Copyright (C) 2002-2009 Josh Coalson |
| 3 | * Copyright (C) 2011-2016 Xiph.Org Foundation |
| 4 | * |
| 5 | * Redistribution and use in source and binary forms, with or without |
| 6 | * modification, are permitted provided that the following conditions |
| 7 | * are met: |
| 8 | * |
| 9 | * - Redistributions of source code must retain the above copyright |
| 10 | * notice, this list of conditions and the following disclaimer. |
| 11 | * |
| 12 | * - Redistributions in binary form must reproduce the above copyright |
| 13 | * notice, this list of conditions and the following disclaimer in the |
| 14 | * documentation and/or other materials provided with the distribution. |
| 15 | * |
| 16 | * - Neither the name of the Xiph.org Foundation nor the names of its |
| 17 | * contributors may be used to endorse or promote products derived from |
| 18 | * this software without specific prior written permission. |
| 19 | * |
| 20 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| 21 | * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| 22 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| 23 | * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR |
| 24 | * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
| 25 | * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
| 26 | * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
| 27 | * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF |
| 28 | * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING |
| 29 | * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
| 30 | * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 31 | */ |
| 32 | |
| 33 | #ifndef FLAC__PRIVATE__OGG_DECODER_ASPECT_H |
| 34 | #define FLAC__PRIVATE__OGG_DECODER_ASPECT_H |
| 35 | |
| 36 | #include <ogg/ogg.h> |
| 37 | |
| 38 | #include "FLAC/ordinals.h" |
| 39 | #include "FLAC/stream_decoder.h" /* for FLAC__StreamDecoderReadStatus */ |
| 40 | |
| 41 | typedef struct FLAC__OggDecoderAspect { |
| 42 | /* these are storage for values that can be set through the API */ |
| 43 | FLAC__bool use_first_serial_number; |
| 44 | long serial_number; |
| 45 | |
| 46 | /* these are for internal state related to Ogg decoding */ |
| 47 | ogg_stream_state stream_state; |
| 48 | ogg_sync_state sync_state; |
| 49 | unsigned version_major, version_minor; |
| 50 | FLAC__bool need_serial_number; |
| 51 | FLAC__bool end_of_stream; |
| 52 | FLAC__bool have_working_page; /* only if true will the following vars be valid */ |
| 53 | ogg_page working_page; |
| 54 | FLAC__bool have_working_packet; /* only if true will the following vars be valid */ |
| 55 | ogg_packet working_packet; /* as we work through the packet we will move working_packet.packet forward and working_packet.bytes down */ |
| 56 | } FLAC__OggDecoderAspect; |
| 57 | |
| 58 | void FLAC__ogg_decoder_aspect_set_serial_number(FLAC__OggDecoderAspect *aspect, long value); |
| 59 | void FLAC__ogg_decoder_aspect_set_defaults(FLAC__OggDecoderAspect *aspect); |
| 60 | FLAC__bool FLAC__ogg_decoder_aspect_init(FLAC__OggDecoderAspect *aspect); |
| 61 | void FLAC__ogg_decoder_aspect_finish(FLAC__OggDecoderAspect *aspect); |
| 62 | void FLAC__ogg_decoder_aspect_flush(FLAC__OggDecoderAspect *aspect); |
| 63 | void FLAC__ogg_decoder_aspect_reset(FLAC__OggDecoderAspect *aspect); |
| 64 | |
| 65 | typedef enum { |
| 66 | FLAC__OGG_DECODER_ASPECT_READ_STATUS_OK = 0, |
| 67 | FLAC__OGG_DECODER_ASPECT_READ_STATUS_END_OF_STREAM, |
| 68 | FLAC__OGG_DECODER_ASPECT_READ_STATUS_LOST_SYNC, |
| 69 | FLAC__OGG_DECODER_ASPECT_READ_STATUS_NOT_FLAC, |
| 70 | FLAC__OGG_DECODER_ASPECT_READ_STATUS_UNSUPPORTED_MAPPING_VERSION, |
| 71 | FLAC__OGG_DECODER_ASPECT_READ_STATUS_ABORT, |
| 72 | FLAC__OGG_DECODER_ASPECT_READ_STATUS_ERROR, |
| 73 | FLAC__OGG_DECODER_ASPECT_READ_STATUS_MEMORY_ALLOCATION_ERROR |
| 74 | } FLAC__OggDecoderAspectReadStatus; |
| 75 | |
| 76 | typedef FLAC__OggDecoderAspectReadStatus (*FLAC__OggDecoderAspectReadCallbackProxy)(const void *decoder, FLAC__byte buffer[], size_t *bytes, void *client_data); |
| 77 | |
| 78 | 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); |
| 79 | |
| 80 | #endif |