56 lines
2.4 KiB
C++
56 lines
2.4 KiB
C++
#ifndef _mkv_reader_h_
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#define _mkv_reader_h_
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#include <stddef.h>
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#include <stdint.h>
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#include "mkv-buffer.h"
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#include "mkv-format.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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typedef struct mkv_reader_t mkv_reader_t;
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mkv_reader_t* mkv_reader_create(const struct mkv_buffer_t* buffer, void* param);
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void mkv_reader_destroy(mkv_reader_t* mkv);
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struct mkv_reader_trackinfo_t
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{
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/// @param[in] object: MKV_CODEC_VIDEO_H264/MKV_CODEC_AUDIO_AAC, see more @mkv-format.h
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void (*onvideo)(void* param, uint32_t track, enum mkv_codec_t codec, int width, int height, const void* extra, size_t bytes);
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void (*onaudio)(void* param, uint32_t track, enum mkv_codec_t codec, int channel_count, int bit_per_sample, int sample_rate, const void* extra, size_t bytes);
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void (*onsubtitle)(void* param, uint32_t track, enum mkv_codec_t codec, const void* extra, size_t bytes);
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};
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/// @return 0-OK, other-error
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int mkv_reader_getinfo(mkv_reader_t* mkv, struct mkv_reader_trackinfo_t* ontrack, void* param);
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uint64_t mkv_reader_getduration(mkv_reader_t* mkv);
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/// audio: AAC raw data, don't include ADTS/AudioSpecificConfig
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/// video: 4-byte data length(don't include self length) + H.264 NALU(don't include 0x00000001)
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/// @param[in] flags MKV_FLAGS_xxx, such as: MKV_FLAGS_KEYFRAME
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typedef void (*mkv_reader_onread)(void* param, uint32_t track, const void* buffer, size_t bytes, int64_t pts, int64_t dts, int flags);
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/// @return 1-read one frame, 0-EOF, <0-error
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int mkv_reader_read(mkv_reader_t* mkv, void* buffer, size_t bytes, mkv_reader_onread onread, void* param);
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/// audio: AAC raw data, don't include ADTS/AudioSpecificConfig
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/// video: 4-byte data length(don't include self length) + H.264 NALU(don't include 0x00000001)
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/// @param[in] flags MKV_FLAGS_xxx, such as: MKV_FLAGS_KEYFRAME
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/// @return NULL-error, other-user alloc buffer
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typedef void* (*mkv_reader_onread2)(void* param, uint32_t track, size_t bytes, int64_t pts, int64_t dts, int flags);
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/// samp as mkv_reader_read + user alloc buffer
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/// NOTICE: user should free buffer on return error!!!
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/// @return 1-read one frame, 0-EOF, <0-error
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int mkv_reader_read2(mkv_reader_t* mkv, mkv_reader_onread2 onread, void* param);
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/// @param[in,out] timestamp input seek timestamp, output seek location timestamp
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/// @return 0-ok, other-error
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int mkv_reader_seek(mkv_reader_t* mkv, int64_t* timestamp);
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#ifdef __cplusplus
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}
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#endif
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#endif /* !_mkv_reader_h_ */
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