[FFmpeg-trac] #3615(ffmpeg:new): -y option affects audio/video skew during screen capture (alsa+x11grab)

FFmpeg trac at avcodec.org
Mon May 12 23:22:56 CEST 2014

#3615: -y option affects audio/video skew during screen capture (alsa+x11grab)
             Reporter:  grepfor  |                    Owner:
                 Type:  defect   |                   Status:  new
             Priority:  normal   |                Component:  ffmpeg
              Version:  2.2.1    |               Resolution:
             Keywords:           |               Blocked By:
             Blocking:           |  Reproduced by developer:  0
Analyzed by developer:  0        |

Comment (by grepfor):

 Not sure if it's a regression or not. I've not seen it previous, but also
 have never attempted to use ffmpeg in this way before either. However,
 based on cargo cult postings from several years ago, a few of which
 ''seem'' to imply that '''-y''' is somehow important when doing screen
 capture, I would guess -- and it's only a guess -- that it is a long-
 standing issue.

 Unfortunately, I do not have time to build it from git sources. However,
 ffmpeg-git r60910.1f2bacc-1 is available from the Arch repos, which I can
 obtain and run easily as a package install. Will that be of any use to you
 to know the results from that version?

Ticket URL: <https://trac.ffmpeg.org/ticket/3615#comment:3>
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