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change to 0.9.52, refine encoder and ffmpeg

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

View file

@ -23,6 +23,9 @@ CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
#include <srs_app_encoder.hpp> #include <srs_app_encoder.hpp>
#include <algorithm>
using namespace std;
#include <srs_kernel_error.hpp> #include <srs_kernel_error.hpp>
#include <srs_kernel_log.hpp> #include <srs_kernel_log.hpp>
#include <srs_app_config.hpp> #include <srs_app_config.hpp>
@ -36,6 +39,9 @@ CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
// when error, encoder sleep for a while and retry. // when error, encoder sleep for a while and retry.
#define SRS_ENCODER_SLEEP_US (int64_t)(3*1000*1000LL) #define SRS_ENCODER_SLEEP_US (int64_t)(3*1000*1000LL)
// for encoder to detect the dead loop
static std::vector<std::string> _transcoded_url;
SrsEncoder::SrsEncoder() SrsEncoder::SrsEncoder()
{ {
pthread = new SrsThread(this, SRS_ENCODER_SLEEP_US); pthread = new SrsThread(this, SRS_ENCODER_SLEEP_US);
@ -56,6 +62,7 @@ int SrsEncoder::on_publish(SrsRequest* req)
ret = parse_scope_engines(req); ret = parse_scope_engines(req);
// ignore the loop encoder // ignore the loop encoder
// if got a loop, donot transcode the whole stream.
if (ret == ERROR_ENCODER_LOOP) { if (ret == ERROR_ENCODER_LOOP) {
clear_engines(); clear_engines();
ret = ERROR_SUCCESS; ret = ERROR_SUCCESS;
@ -126,6 +133,15 @@ void SrsEncoder::clear_engines()
for (it = ffmpegs.begin(); it != ffmpegs.end(); ++it) { for (it = ffmpegs.begin(); it != ffmpegs.end(); ++it) {
SrsFFMPEG* ffmpeg = *it; SrsFFMPEG* ffmpeg = *it;
std::string output = ffmpeg->output();
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);
}
srs_freep(ffmpeg); srs_freep(ffmpeg);
} }
@ -147,7 +163,7 @@ int SrsEncoder::parse_scope_engines(SrsRequest* req)
// parse vhost scope engines // parse vhost scope engines
std::string scope = ""; std::string scope = "";
if ((conf = _srs_config->get_transcode(req->vhost, scope)) != NULL) { if ((conf = _srs_config->get_transcode(req->vhost, scope)) != NULL) {
if ((ret = parse_transcode(req, conf)) != ERROR_SUCCESS) { if ((ret = parse_ffmpeg(req, conf)) != ERROR_SUCCESS) {
srs_error("parse vhost scope=%s transcode engines failed. " srs_error("parse vhost scope=%s transcode engines failed. "
"ret=%d", scope.c_str(), ret); "ret=%d", scope.c_str(), ret);
return ret; return ret;
@ -156,7 +172,7 @@ int SrsEncoder::parse_scope_engines(SrsRequest* req)
// parse app scope engines // parse app scope engines
scope = req->app; scope = req->app;
if ((conf = _srs_config->get_transcode(req->vhost, scope)) != NULL) { if ((conf = _srs_config->get_transcode(req->vhost, scope)) != NULL) {
if ((ret = parse_transcode(req, conf)) != ERROR_SUCCESS) { if ((ret = parse_ffmpeg(req, conf)) != ERROR_SUCCESS) {
srs_error("parse app scope=%s transcode engines failed. " srs_error("parse app scope=%s transcode engines failed. "
"ret=%d", scope.c_str(), ret); "ret=%d", scope.c_str(), ret);
return ret; return ret;
@ -166,7 +182,7 @@ int SrsEncoder::parse_scope_engines(SrsRequest* req)
scope += "/"; scope += "/";
scope += req->stream; scope += req->stream;
if ((conf = _srs_config->get_transcode(req->vhost, scope)) != NULL) { if ((conf = _srs_config->get_transcode(req->vhost, scope)) != NULL) {
if ((ret = parse_transcode(req, conf)) != ERROR_SUCCESS) { if ((ret = parse_ffmpeg(req, conf)) != ERROR_SUCCESS) {
srs_error("parse stream scope=%s transcode engines failed. " srs_error("parse stream scope=%s transcode engines failed. "
"ret=%d", scope.c_str(), ret); "ret=%d", scope.c_str(), ret);
return ret; return ret;
@ -176,7 +192,7 @@ int SrsEncoder::parse_scope_engines(SrsRequest* req)
return ret; return ret;
} }
int SrsEncoder::parse_transcode(SrsRequest* req, SrsConfDirective* conf) int SrsEncoder::parse_ffmpeg(SrsRequest* req, SrsConfDirective* conf)
{ {
int ret = ERROR_SUCCESS; int ret = ERROR_SUCCESS;
@ -216,17 +232,9 @@ int SrsEncoder::parse_transcode(SrsRequest* req, SrsConfDirective* conf)
} }
SrsFFMPEG* ffmpeg = new SrsFFMPEG(ffmpeg_bin); SrsFFMPEG* ffmpeg = new SrsFFMPEG(ffmpeg_bin);
if ((ret = initialize_ffmpeg(ffmpeg, req, engine)) != ERROR_SUCCESS) {
if ((ret = ffmpeg->initialize(req, engine)) != ERROR_SUCCESS) {
srs_freep(ffmpeg); srs_freep(ffmpeg);
srs_error("invalid transcode engine: %s %s", conf->arg0().c_str(), engine->arg0().c_str());
// if got a loop, donot transcode the whole stream.
if (ret == ERROR_ENCODER_LOOP) {
break;
}
srs_error("invalid transcode engine: %s %s",
conf->arg0().c_str(), engine->arg0().c_str());
return ret; return ret;
} }
@ -236,6 +244,62 @@ int SrsEncoder::parse_transcode(SrsRequest* req, SrsConfDirective* conf)
return ret; return ret;
} }
int SrsEncoder::initialize_ffmpeg(SrsFFMPEG* ffmpeg, SrsRequest* req, SrsConfDirective* engine)
{
int ret = ERROR_SUCCESS;
std::string input;
// 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;
std::string output = _srs_config->get_engine_output(engine);
// 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());
std::string log_file;
// 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);
if ((ret = ffmpeg->initialize(input, output, log_file, engine)) != ERROR_SUCCESS) {
return ret;
}
return ret;
}
void SrsEncoder::encoder() void SrsEncoder::encoder()
{ {
// reportable // reportable

View file

@ -66,7 +66,8 @@ private:
virtual void clear_engines(); virtual void clear_engines();
virtual SrsFFMPEG* at(int index); virtual SrsFFMPEG* at(int index);
virtual int parse_scope_engines(SrsRequest* req); virtual int parse_scope_engines(SrsRequest* req);
virtual int parse_transcode(SrsRequest* req, SrsConfDirective* conf); virtual int parse_ffmpeg(SrsRequest* req, SrsConfDirective* conf);
virtual int initialize_ffmpeg(SrsFFMPEG* ffmpeg, SrsRequest* req, SrsConfDirective* engine);
virtual void encoder(); virtual void encoder();
}; };

View file

@ -30,7 +30,7 @@ CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
#include <signal.h> #include <signal.h>
#include <sys/types.h> #include <sys/types.h>
#include <algorithm> using namespace std;
#include <srs_kernel_error.hpp> #include <srs_kernel_error.hpp>
#include <srs_kernel_log.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 // for example, libaacplus, aac, fdkaac
#define SRS_ENCODER_ACODEC "aac" #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) SrsFFMPEG::SrsFFMPEG(std::string ffmpeg_bin)
{ {
started = false; started = false;
@ -76,7 +73,12 @@ SrsFFMPEG::~SrsFFMPEG()
stop(); 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; int ret = ERROR_SUCCESS;
@ -95,53 +97,14 @@ int SrsFFMPEG::initialize(SrsRequest* req, SrsConfDirective* engine)
asample_rate = _srs_config->get_engine_asample_rate(engine); asample_rate = _srs_config->get_engine_asample_rate(engine);
achannels = _srs_config->get_engine_achannels(engine); achannels = _srs_config->get_engine_achannels(engine);
_srs_config->get_engine_aparams(engine, aparams); _srs_config->get_engine_aparams(engine, aparams);
output = _srs_config->get_engine_output(engine);
// ensure the size is even. // ensure the size is even.
vwidth -= vwidth % 2; vwidth -= vwidth % 2;
vheight -= vheight % 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 input = in;
// ie. rtmp://127.0.0.1:1935/live/livestream_sd _output = out;
output = srs_string_replace(output, "[vhost]", req->vhost); log_file = log;
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);
if (vcodec == SRS_ENCODER_NO_VIDEO && acodec == SRS_ENCODER_NO_AUDIO) { if (vcodec == SRS_ENCODER_NO_VIDEO && acodec == SRS_ENCODER_NO_AUDIO) {
ret = ERROR_ENCODER_VCODEC; ret = ERROR_ENCODER_VCODEC;
@ -219,7 +182,7 @@ int SrsFFMPEG::initialize(SrsRequest* req, SrsConfDirective* engine)
return ret; return ret;
} }
} }
if (output.empty()) { if (_output.empty()) {
ret = ERROR_ENCODER_OUTPUT; ret = ERROR_ENCODER_OUTPUT;
srs_error("invalid empty output, ret=%d", ret); srs_error("invalid empty output, ret=%d", ret);
return ret; return ret;
@ -352,7 +315,7 @@ int SrsFFMPEG::start()
params.push_back("flv"); params.push_back("flv");
params.push_back("-y"); params.push_back("-y");
params.push_back(output); params.push_back(_output);
if (true) { if (true) {
int pparam_size = 8 * 1024; int pparam_size = 8 * 1024;
@ -491,12 +454,6 @@ void SrsFFMPEG::stop()
srs_trace("stop the encoder success. pid=%d", pid); srs_trace("stop the encoder success. pid=%d", pid);
pid = -1; 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 #endif

View file

@ -35,7 +35,6 @@ CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
#include <vector> #include <vector>
class SrsConfDirective; class SrsConfDirective;
class SrsRequest;
class SrsPithyPrint; class SrsPithyPrint;
/** /**
@ -52,28 +51,30 @@ private:
int log_fd; int log_fd;
private: private:
std::string ffmpeg; std::string ffmpeg;
std::vector<std::string> vfilter; std::vector<std::string> vfilter;
std::string vcodec; std::string vcodec;
int vbitrate; int vbitrate;
double vfps; double vfps;
int vwidth; int vwidth;
int vheight; int vheight;
int vthreads; int vthreads;
std::string vprofile; std::string vprofile;
std::string vpreset; std::string vpreset;
std::vector<std::string> vparams; std::vector<std::string> vparams;
std::string acodec; std::string acodec;
int abitrate; int abitrate;
int asample_rate; int asample_rate;
int achannels; int achannels;
std::vector<std::string> aparams; std::vector<std::string> aparams;
std::string output; std::string _output;
std::string input; std::string input;
public: public:
SrsFFMPEG(std::string ffmpeg_bin); SrsFFMPEG(std::string ffmpeg_bin);
virtual ~SrsFFMPEG(); virtual ~SrsFFMPEG();
public: public:
virtual int initialize(SrsRequest* req, SrsConfDirective* engine); virtual std::string output();
public:
virtual int initialize(std::string in, std::string out, std::string log, SrsConfDirective* engine);
virtual int start(); virtual int start();
virtual int cycle(); virtual int cycle();
virtual void stop(); virtual void stop();

View file

@ -31,7 +31,7 @@ CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
// current release version // current release version
#define VERSION_MAJOR "0" #define VERSION_MAJOR "0"
#define VERSION_MINOR "9" #define VERSION_MINOR "9"
#define VERSION_REVISION "51" #define VERSION_REVISION "52"
#define RTMP_SIG_SRS_VERSION VERSION_MAJOR"."VERSION_MINOR"."VERSION_REVISION #define RTMP_SIG_SRS_VERSION VERSION_MAJOR"."VERSION_MINOR"."VERSION_REVISION
// server info. // server info.
#define RTMP_SIG_SRS_KEY "srs" #define RTMP_SIG_SRS_KEY "srs"