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Code Issues Releases Wiki Activity

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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1
trunk/src/app/srs_app_avc_aac.cpp
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@ -28,6 +28,7 @@ CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
#include <srs_kernel_stream.hpp>
#include <srs_protocol_amf0.hpp>
#include <srs_app_utility.hpp>
#include <srs_protocol_utility.hpp>
SrsCodecSampleUnit::SrsCodecSampleUnit()
{

29
trunk/src/app/srs_app_utility.cpp
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@ -107,35 +107,6 @@ int srs_get_log_level(string level)
}
}
bool srs_avc_startswith_annexb(SrsStream* stream, int* pnb_start_code)
{
char* bytes = stream->data() + stream->pos();
char* p = bytes;
for (;;) {
if (!stream->require(p - bytes + 3)) {
return false;
}
// not match
if (p[0] != 0x00 || p[1] != 0x00) {
return false;
}
// match N[00] 00 00 01, where N>=0
if (p[2] == 0x01) {
if (pnb_start_code) {
*pnb_start_code = (int)(p - bytes) + 3;
}
return true;
}
p++;
}
return false;
}
static SrsRusage _srs_system_rusage;
SrsRusage::SrsRusage()

9
trunk/src/app/srs_app_utility.hpp
View file

@ -50,15 +50,6 @@ extern int srs_socket_connect(std::string server, int port, int64_t timeout, st_
*/
extern int srs_get_log_level(std::string level);
/**
* whether stream starts with the avc NALU in "AnnexB"
* from H.264-AVC-ISO_IEC_14496-10.pdf, page 211.
* start code must be "N[00] 00 00 01" where N>=0
* @param pnb_start_code output the size of start code, must >=3.
* NULL to ignore.
*/
extern bool srs_avc_startswith_annexb(SrsStream* stream, int* pnb_start_code = NULL);
// current process resouce usage.
// @see: man getrusage
class SrsRusage