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move the annexb decode utility to protocol.

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This commit is contained in:
winlin 2014-11-07 23:07:31 +08:00
parent bd25626f0e
commit 72ad6894ca
8 changed files with 128 additions and 69 deletions
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37
trunk/src/libs/srs_librtmp.hpp
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@ -337,22 +337,37 @@ extern char* srs_amf0_human_print(srs_amf0_t amf0, char** pdata, int* psize);
**************************************************************
*************************************************************/
/**
convert h264 stream data to rtmp packet.
@param h264_raw_data the input h264 raw data, a encoded h.264 I/P/B frame data.
@paam h264_raw_size the size of h264 raw data.
@param dts the dts of h.264 raw data.
@param pts the pts of h.264 raw data.
@param prtmp_data the output rtmp format packet, which can be send by srs_write_packet.
@param prtmp_size the size of rtmp packet, for srs_write_packet.
@param ptimestamp the timestamp of rtmp packet, for srs_write_packet.
@remark, user should never free the h264_raw_data.
@remark, user should free the prtmp_data if success.
@return 0, success; otherswise, failed.
* convert h264 stream data to rtmp packet.
* @param h264_raw_data the input h264 raw data, a encoded h.264 I/P/B frame data.
* @paam h264_raw_size the size of h264 raw data.
* @param dts the dts of h.264 raw data.
* @param pts the pts of h.264 raw data.
* @param prtmp_data the output rtmp format packet, which can be send by srs_write_packet.
* @param prtmp_size the size of rtmp packet, for srs_write_packet.
* @param ptimestamp the timestamp of rtmp packet, for srs_write_packet.
* @remark, user should free the h264_raw_data.
* @remark, user should free the prtmp_data if success.
*
* @return 0, success; otherswise, failed.
*/
extern int srs_h264_to_rtmp(
char* h264_raw_data, int h264_raw_size, u_int32_t dts, u_int32_t pts,
char** prtmp_data, int* prtmp_size, u_int32_t* ptimestamp
);
/**
* whether h264 raw data starts with the annexb,
* which bytes sequence matches N[00] 00 00 01, where N>=0.
* @param h264_raw_data the input h264 raw data, a encoded h.264 I/P/B frame data.
* @paam h264_raw_size the size of h264 raw data.
* @param pnb_start_code output the size of start code, must >=3.
* NULL to ignore.
*
* @return 0 false; otherwise, true.
*/
extern int srs_h264_startswith_annexb(
char* h264_raw_data, int h264_raw_size,
int* pnb_start_code
);
#ifdef __cplusplus
}