2017-07-31 14:45 GMT+08:00 qw <[email protected]>: > Hi, > >>> I have one question about ffmpeg's one key function. If ffmpeg fetch one >>> rtmp stream from one rtmp server and no audio stream is available at the >>> beginning, then ffmpeg only detect video stream without audio stream. >>> However, after several minutes, one audio stream existed in rtmp stream, >>> how >>> ffmpeg to do with the case? Can ffmpeg functions add the new audio stream >>> dynamically, or ffmpeg functions/structures need to be reset? >>do you mean probesize? > > > what i mean is, does ffmpeg take the following cases into consideration: > 1) audio stream is sent in rtmp stream at the beginning, and after sometime > such as 5 minutes or 1 hours, one new video stream is added in rtmp stream > 2) video stream is sent in rtmp stream at the beginning, and after sometime > such as 5 minutes or 1 hours, one new audio stream is added in rtmp stream > > does ffmpeg support the above cases? Maybe not :) > > > > > At 2017-07-12 14:18:27, "Steven Liu" <[email protected]> wrote: >>2017-07-10 20:24 GMT+08:00 qw <[email protected]>: >>> Hi, >>> >>> I have one question about ffmpeg's one key function. If ffmpeg fetch one >>> rtmp stream from one rtmp server and no audio stream is available at the >>> beginning, then ffmpeg only detect video stream without audio stream. >>> However, after several minutes, one audio stream existed in rtmp stream, >>> how >>> ffmpeg to do with the case? Can ffmpeg functions add the new audio stream >>> dynamically, or ffmpeg functions/structures need to be reset? >>do you mean probesize? >>> >>> Thanks! >>> >>> Regards >>> >>> Andrew >>> >>> >>> >>> >>> >>> _______________________________________________ >>> Libav-user mailing list >>> [email protected] >>> http://ffmpeg.org/mailman/listinfo/libav-user >>> >>_______________________________________________ >>Libav-user mailing list >>[email protected] >>http://ffmpeg.org/mailman/listinfo/libav-user > > > > > > > _______________________________________________ > Libav-user mailing list > [email protected] > http://ffmpeg.org/mailman/listinfo/libav-user > _______________________________________________ Libav-user mailing list [email protected] http://ffmpeg.org/mailman/listinfo/libav-user
