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for #367: extract the process from ffmpeg to exec programs.

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This commit is contained in:
winlin 2015-08-24 21:51:05 +08:00
parent 3a8c03a471
commit 0e1861b084
8 changed files with 377 additions and 196 deletions
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27
trunk/src/app/srs_app_ffmpeg.hpp
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@ -31,11 +31,12 @@ CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
#ifdef SRS_AUTO_FFMPEG_STUB
#include <string>
#include <vector>
#include <string>
class SrsConfDirective;
class SrsPithyPrint;
class SrsProcess;
/**
* a transcode engine: ffmepg,
@ -44,11 +45,8 @@ class SrsPithyPrint;
class SrsFFMPEG
{
private:
bool started;
// whether SIGTERM send but need to wait or SIGKILL.
bool fast_stopped;
pid_t pid;
private:
SrsProcess* process;
std::vector<std::string> params;
std::string log_file;
private:
std::string ffmpeg;
@ -83,26 +81,11 @@ public:
virtual int initialize(std::string in, std::string out, std::string log);
virtual int initialize_transcode(SrsConfDirective* engine);
virtual int initialize_copy();
public:
virtual int start();
virtual int cycle();
/**
* send SIGTERM then SIGKILL to ensure the process stopped.
* the stop will wait [0, SRS_PROCESS_QUIT_TIMEOUT_MS] depends on the
* process quit timeout.
* @remark use fast_stop before stop one by one, when got lots of process to quit.
*/
virtual void stop();
public:
/**
* the fast stop is to send a SIGTERM.
* for example, the ingesters owner lots of FFMPEG, it will take a long time
* to stop one by one, instead the ingesters can fast_stop all FFMPEG, then
* wait one by one to stop, it's more faster.
* @remark user must use stop() to ensure the ffmpeg to stopped.
* @remark we got N processes to stop, compare the time we spend,
* when use stop without fast_stop, we spend maybe [0, SRS_PROCESS_QUIT_TIMEOUT_MS * N]
* but use fast_stop then stop, the time is almost [0, SRS_PROCESS_QUIT_TIMEOUT_MS].
*/
virtual void fast_stop();
};