Hi Carl,
This problem was solved, the root cause is big difference between audio
and video start time, thanks for your help.
BR,
Xin Luo
On 2016年11月16日 20:08, Carl Eugen Hoyos wrote:
2016-11-16 12:59 GMT+01:00 Luo Xin <[email protected]>:
- output hls segments
Don't you agree that the issue would be easier to reproduce
with file output?
ffmpeg version n3.1.3-1-gea9ca2f Copyright (c) 2000-2016 the FFmpeg
Note that this is old and unsupported.
On this mailing list, only current FFmpeg git head is supported,
I suspect there are Ubuntu support resources.
Input #0, alsa, from 'hw:3':
Duration: N/A, start: 1479202954.916662
Input #1, video4linux2,v4l2, from '/dev/video2':
Duration: N/A, start: 31.451263
This cannot work, the start times have to be similar.
Try -timestamps abs (or mono2abs) for the v4l2 input.
And please remove "-r 25" from your command line,
it does not do what you want, there is a "-framerate"
option for v4l2 input.
Carl Eugen
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