[MPlayer-advusers] r25874 broke raw MOV demuxing

John Karp johnkarp at gmail.com
Wed Apr 2 22:27:27 CEST 2008


Yes, -vc rawrgb24 does make it work too.

Since the sample file is 1080p, raw RGB, it is quite large. I didn't
see any rawrgb24 files in samples:/mov/rawvid/, only rawrgb32 (which
all had a red cast, oddly). Truncated files made with dd don't seem to
work, even if I cut at 100MB instead of 10MB:

Playing rawrgb24.mov.
libavformat file format detected.
LAVF: no audio or video headers found - broken file?
ISO: File Type Major Brand: Original QuickTime
MOV: missing header (moov/cmov) chunk! Maybe broken file...
libavformat file format detected.
LAVF: no audio or video headers found - broken file?

-John

On 02/04/2008, Reimar Döffinger <Reimar.Doeffinger at stud.uni-karlsruhe.de> wrote:
> On Wed, Apr 02, 2008 at 01:36:23PM -0500, John Karp wrote:
>
> > Hello,
>  >
>  > I am attempting to play back a MOV file like so:
>  > mplayer -v sample_for_HD_playback.mov
>  >
>  > This works fine in r25873, console output attached.
>  > However, after the switch to the lavf demuxer in r25874, including
>  > HEAD, the video is no longer decoded properly, only blue is shown.
>  > Console output attached.
>  >
>  > Forcing the MOV demuxer fixes the issue, and it allows video to be
>  > shown post r25874:
>  > mplayer -demuxer mov sample_for_HD_playback.mov
>
>
> -vc rawrgb24 should work as well. I have a fairly good idea what is
>  going wrong, but it would be good if you could provide a small sample
>  (or check if there is already one on samples.mplayerhq.hu).
>
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