Am Mi., 27. Jan. 2021 um 19:09 Uhr schrieb Thomas Seilund via ffmpeg-user <[email protected]>: > > > On 1/26/21 6:01 PM, Carl Eugen Hoyos wrote: > > Am Di., 26. Jan. 2021 um 16:51 Uhr schrieb Thomas Seilund via > > ffmpeg-user <[email protected]>: > > > >> Input #0, h264, from 'pipe:': > >> Duration: N/A, bitrate: N/A > >> Stream #0:0: Video: h264 (High), yuv420p(progressive), 1280x720, 25 > >> fps, 25 tbr, 1200k tbn, 50 tbc > >> Guessed Channel Layout for Input Stream #1.0 : stereo > >> Input #1, pulse, from > >> 'alsa_input.usb-046d_HD_Pro_Webcam_C920_9D715A9F-02.analog-stereo': > >> Duration: N/A, start: 1611673439.592751, bitrate: 1536 kb/s > >> Stream #1:0: Audio: pcm_s16le, 48000 Hz, stereo, s16, 1536 kb/s > >> Guessed Channel Layout for Input Stream #2.0 : stereo > >> Input #2, pulse, from > >> 'alsa_output.platform-bcm2835_audio.analog-stereo.monitor': > >> Duration: N/A, start: 1611673439.612473, bitrate: 1536 kb/s > >> Stream #2:0: Audio: pcm_s16le, 48000 Hz, stereo, s16, 1536 kb/s > > I don't think you can synchronize a stream with no start time with > > two streams with start time, at least not without additional options.
> I assume you mean that the video stream does not have a start time and > the two audio streams do. Correct. > Can I set the start time for the video stream to avoid video from > falling more and more behind? The setpts filter should allow you to set the audio start times to 0. Carl Eugen _______________________________________________ ffmpeg-user mailing list [email protected] https://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email [email protected] with subject "unsubscribe".
