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srs-librtmp: implements the read packet.

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This commit is contained in:
winlin 2014-03-02 17:47:53 +08:00
parent c338eb3666
commit efa09102cf
4 changed files with 137 additions and 1 deletions
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39
trunk/src/libs/srs_librtmp.hpp
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@ -28,6 +28,8 @@ CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
#include <srs_librtmp.h>
*/
#include <sys/types.h>
/**
* srs-librtmp is a librtmp like library,
* used to play/publish rtmp stream from/to rtmp server.
@ -100,6 +102,43 @@ int srs_play_stream(srs_rtmp_t rtmp);
*/
int srs_publish_stream(srs_rtmp_t rtmp);
/**
* E.4.1 FLV Tag, page 75
*/
// 8 = audio
#define SRS_RTMP_TYPE_AUDIO 8
// 9 = video
#define SRS_RTMP_TYPE_VIDEO 9
// 18 = script data
#define SRS_RTMP_TYPE_SCRIPT 18
/**
* convert the flv tag type to string.
* SRS_RTMP_TYPE_AUDIO to "Audio"
* SRS_RTMP_TYPE_VIDEO to "Video"
* SRS_RTMP_TYPE_SCRIPT to "Data"
* otherwise, "Unknown"
*/
const char* srs_type2string(int type);
/**
* read a audio/video/script-data packet from rtmp stream.
* @param type, output the packet type, macros:
* SRS_RTMP_TYPE_AUDIO, FlvTagAudio
* SRS_RTMP_TYPE_VIDEO, FlvTagVideo
* SRS_RTMP_TYPE_SCRIPT, FlvTagScript
* @param timestamp, in ms, overflow in 50days
* @param data, the packet data, according to type:
* FlvTagAudio, @see "E.4.2.1 AUDIODATA"
* FlvTagVideo, @see "E.4.3.1 VIDEODATA"
* FlvTagScript, @see "E.4.4.1 SCRIPTDATA"
* @param size, size of packet.
* @return the error code. 0 for success; otherwise, error.
*
* @remark: for read, user must free the data.
* @remark: for write, user should never free the data, even if error.
*/
int srs_read_packet(srs_rtmp_t rtmp, int* type, u_int32_t* timestamp, char** data, int* size);
int srs_write_packet(srs_rtmp_t rtmp, int type, u_int32_t timestamp, char* data, int size);
/**
* whether srs is compiled with ssl,
* that is, compile srs with ssl: ./configure --with-ssl,.