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for #738, parse avcc/sps/pps/asc from mp4.

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This commit is contained in:
winlin 2017-02-04 14:57:07 +08:00
parent 9d21a8bb33
commit 253ac40312
8 changed files with 346 additions and 36 deletions
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54
trunk/src/libs/srs_librtmp.hpp
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@ -513,6 +513,39 @@ extern srs_bool srs_h264_startswith_annexb(
*************************************************************
*************************************************************/
typedef void* srs_mp4_t;
// The sample struct of mp4.
typedef struct {
// The handler type, it's SrsMp4HandlerType.
uint32_t handler_type;
// The dts in milliseconds.
uint32_t dts;
// The codec type.
// video: SrsCodecVideo.
// audio: SrsCodecAudio.
uint16_t codec;
// The codec type:
// video: SrsCodecVideoAVCType.
// audio: SrsCodecAudioType.
uint16_t codec_type;
// The video pts in milliseconds. Ignore for audio.
uint32_t pts;
// The video frame type, it's SrsCodecVideoAVCFrame.
uint16_t frame_type;
// The audio sample rate, it's SrsCodecAudioSampleRate.
uint8_t sample_rate;
// The audio sound bits, it's SrsCodecAudioSampleSize.
uint8_t sound_bits;
// The audio sound type, it's SrsCodecAudioSoundType.
uint8_t channels;
// The size of sample payload in bytes.
uint32_t nb_sample;
// The output sample data, user must free it by srs_mp4_free_sample.
uint8_t* sample;
} srs_mp4_sample_t;
/* Open mp4 file for muxer(write) or demuxer(read). */
extern srs_mp4_t srs_mp4_open_read(const char* file);
extern void srs_mp4_close(srs_mp4_t mp4);
@ -522,6 +555,27 @@ extern void srs_mp4_close(srs_mp4_t mp4);
* For the live streaming, we must feed stream frame by frame.
*/
extern int srs_mp4_init_demuxer(srs_mp4_t mp4);
/**
* Read a sample form mp4.
* @remark User can use srs_mp4_sample_to_flv_tag to convert mp4 sampel to flv tag.
* Use the srs_mp4_to_flv_tag_size to calc the flv tag data size to alloc.
*/
extern int srs_mp4_read_sample(srs_mp4_t mp4, srs_mp4_sample_t* sample);
/**
* Free the allocated mp4 sample.
*/
extern void srs_mp4_free_sample(srs_mp4_sample_t* sample);
/**
* Calc the size of flv tag, for the mp4 sample to convert to.
*/
extern int32_t srs_mp4_sizeof(srs_mp4_t mp4, srs_mp4_sample_t* sample);
/**
* Covert mp4 sample to flv tag.
*/
extern int srs_mp4_to_flv_tag(srs_mp4_t mp4, srs_mp4_sample_t* sample, char* type, uint32_t* time, char* data, int32_t size);
/* error code */
/* whether the error code indicates EOF */
extern srs_bool srs_mp4_is_eof(int error_code);
/*************************************************************
**************************************************************