[FFmpeg-trac] #9005(avdevice:new): decklink: v210 FourCC has wrong case

[FFmpeg]

#9005: decklink: v210 FourCC has wrong case
-----------------------------------+---------------------------------------
             Reporter:  carbenium  |                     Type:  defect
               Status:  new        |                 Priority:  normal
            Component:  avdevice   |                  Version:  unspecified
             Keywords:             |               Blocked By:
             Blocking:             |  Reproduced by developer:  0
Analyzed by developer:  0          |
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 Summary of the bug:
 Capturing video as v210 using the decklink module results in video files
 with the FourCC "V210" (note upper case). VLC refuses to play this file
 since it expects "v210". Lower-case seems also to be the accepted casing
 in other parts of FFmpeg (see
 https://github.com/FFmpeg/FFmpeg/blob/f7fd205f11d5299d6a16b0ff0ae85fddb32772f2/libavformat/isom.c#L107)

 How to reproduce:
 {{{
 % ffmpeg -raw_format yuv422p10 -f decklink -i 'DeckLink Mini Recorder 4K'
 -c:v copy -c:a copy out.mkv
 ffmpeg version 4.3.1
 }}}

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Ticket URL: <https://trac.ffmpeg.org/ticket/9005>
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