[FFmpeg-user] Bad A/V Sync Using ffmpeg on V4L2 Input Device

[Leo L. Schwab]

LANGLOIS Olivier PIS wrote:
> Notice the start times of each input. For alsa, it uses abs time and by
> default, webcam uses monotonic time. Something that I was about to try and
> perhaps you try it out to see if it helps is to use ts abs for the v4l2
> input.
>
	As illustrated in my response to Lou's message, adding '-ts abs' to
the command line doesn't help; I still see the sync issue.

> However, it might not be enough. Check if your webcam is using the
> uvcvideo driver.  [ ... ]

	Nope.  This one uses the em28xx driver.

					Schwab