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change to 0.9.52, refine encoder and ffmpeg

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This commit is contained in:
winlin 2014-04-07 10:15:44 +08:00
parent 72c330d47c
commit 4f7cfeed37
5 changed files with 101 additions and 78 deletions
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67
trunk/src/app/srs_app_ffmpeg.cpp
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@ -30,7 +30,7 @@ CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
#include <signal.h>
#include <sys/types.h>
#include <algorithm>
using namespace std;
#include <srs_kernel_error.hpp>
#include <srs_kernel_log.hpp>
@ -50,9 +50,6 @@ CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
// for example, libaacplus, aac, fdkaac
#define SRS_ENCODER_ACODEC "aac"
// for encoder to detect the dead loop
static std::vector<std::string> _transcoded_url;
SrsFFMPEG::SrsFFMPEG(std::string ffmpeg_bin)
{
started = false;
@ -76,7 +73,12 @@ SrsFFMPEG::~SrsFFMPEG()
stop();
}
int SrsFFMPEG::initialize(SrsRequest* req, SrsConfDirective* engine)
string SrsFFMPEG::output()
{
return _output;
}
int SrsFFMPEG::initialize(string in, string out, string log, SrsConfDirective* engine)
{
int ret = ERROR_SUCCESS;
@ -95,53 +97,14 @@ int SrsFFMPEG::initialize(SrsRequest* req, SrsConfDirective* engine)
asample_rate = _srs_config->get_engine_asample_rate(engine);
achannels = _srs_config->get_engine_achannels(engine);
_srs_config->get_engine_aparams(engine, aparams);
output = _srs_config->get_engine_output(engine);
// ensure the size is even.
vwidth -= vwidth % 2;
vheight -= vheight % 2;
// input stream, from local.
// ie. rtmp://127.0.0.1:1935/live/livestream
input = "rtmp://127.0.0.1:";
input += req->port;
input += "/";
input += req->app;
input += "?vhost=";
input += req->vhost;
input += "/";
input += req->stream;
// output stream, to other/self server
// ie. rtmp://127.0.0.1:1935/live/livestream_sd
output = srs_string_replace(output, "[vhost]", req->vhost);
output = srs_string_replace(output, "[port]", req->port);
output = srs_string_replace(output, "[app]", req->app);
output = srs_string_replace(output, "[stream]", req->stream);
output = srs_string_replace(output, "[engine]", engine->arg0());
// write ffmpeg info to log file.
log_file = _srs_config->get_ffmpeg_log_dir();
log_file += "/";
log_file += "encoder";
log_file += "-";
log_file += req->vhost;
log_file += "-";
log_file += req->app;
log_file += "-";
log_file += req->stream;
log_file += ".log";
// important: loop check, donot transcode again.
std::vector<std::string>::iterator it;
it = std::find(_transcoded_url.begin(), _transcoded_url.end(), input);
if (it != _transcoded_url.end()) {
ret = ERROR_ENCODER_LOOP;
srs_info("detect a loop cycle, input=%s, output=%s, ignore it. ret=%d",
input.c_str(), output.c_str(), ret);
return ret;
}
_transcoded_url.push_back(output);
input = in;
_output = out;
log_file = log;
if (vcodec == SRS_ENCODER_NO_VIDEO && acodec == SRS_ENCODER_NO_AUDIO) {
ret = ERROR_ENCODER_VCODEC;
@ -219,7 +182,7 @@ int SrsFFMPEG::initialize(SrsRequest* req, SrsConfDirective* engine)
return ret;
}
}
if (output.empty()) {
if (_output.empty()) {
ret = ERROR_ENCODER_OUTPUT;
srs_error("invalid empty output, ret=%d", ret);
return ret;
@ -352,7 +315,7 @@ int SrsFFMPEG::start()
params.push_back("flv");
params.push_back("-y");
params.push_back(output);
params.push_back(_output);
if (true) {
int pparam_size = 8 * 1024;
@ -491,12 +454,6 @@ void SrsFFMPEG::stop()
srs_trace("stop the encoder success. pid=%d", pid);
pid = -1;
}
std::vector<std::string>::iterator it;
it = std::find(_transcoded_url.begin(), _transcoded_url.end(), output);
if (it != _transcoded_url.end()) {
_transcoded_url.erase(it);
}
}
#endif