[FFmpeg-trac] #3447(avdevice:closed): dshow does not set codec_tag, required for YVU vs YUV

FFmpeg trac at avcodec.org
Sun Mar 9 01:54:20 CET 2014

#3447: dshow does not set codec_tag, required for YVU vs YUV
             Reporter:  DonMoir     |                    Owner:
                 Type:  defect      |                   Status:  closed
             Priority:  normal      |                Component:  avdevice
              Version:  git-master  |               Resolution:  fixed
             Keywords:  dshow       |               Blocked By:
             Blocking:              |  Reproduced by developer:  0
Analyzed by developer:  0           |

Comment (by DonMoir):

 I would have posted the command line but at the time I posted this bug,
 ffmpeg and ffplay did not work at all with this particular driver. There
 is another bug in dshow code I am looking into and I have that working now
 but it's a quick fix and looking for real solution or at least

 Not too concerned with above RGB fix and just put that up as notification
 as I was about to pass out. You can see the comment /* 1-8 untested */
 apparently 32 was not tested properly either. Easy to miss though since
 tester was probably not testing with alpha surfaces. The way that
 AV_PIX_FMT_RGB32 is hidden with alpha is not so cool either.

Ticket URL: <https://trac.ffmpeg.org/ticket/3447#comment:4>
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