[FFmpeg-trac] #10397(undetermined:new): Feature Request: Support for decoding RTV1 codec

[FFmpeg]

#10397: Feature Request: Support for decoding RTV1 codec
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             Reporter:  geegee       |                    Owner:  (none)
                 Type:  enhancement  |                   Status:  new
             Priority:  normal       |                Component:
                                     |  undetermined
              Version:  git-master   |               Resolution:
             Keywords:               |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
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Comment (by geegee):

 Replying to [comment:6 Elon Musk]:
 > Do you have by any chance some video with big part of flat colors, best
 with fully black/single color?
 Sure thing! I just added to the download folder a 2.91 seconds RTV1 video
 showing a fully black screen (recorded from ffplay displaying a black
 picture in fullscreen mode for the entirety of the video).

 filename: ffplay_2023_06_03_16_59_27_797.mkv
 download link:
 https://mega.nz/file/Wt0F1bpR#WlCGMYlOS_K23Q4wH5isOK7Oin6qsa2uyEAG3C5G3ro
 {{{
 >ffprobe -hide_banner ffplay_2023_06_03_16_59_27_797.mkv
 [matroska,webm @ 000001bd298b76c0] Unknown/unsupported AVCodecID
 V_MS/VFW/FOURCC.
 [matroska,webm @ 000001bd298b76c0] Could not find codec parameters for
 stream 0 (Video: none (RTV1 / 0x31565452), none, 1920x1080): unknown codec
 Consider increasing the value for the 'analyzeduration' (0) and
 'probesize' (5000000) options
 Input #0, matroska,webm, from 'ffplay_2023_06_03_16_59_27_797.mkv':
   Metadata:
     title           : ffplay_2023_06_03_16_59_27_797.mkv
     encoder         : RivaTuner media encoding library v1.39.0.0
     creation_time   : 2023-06-03T16:59:27.842000Z
   Duration: 00:00:02.91, start: 0.000000, bitrate: 1085 kb/s
   Stream #0:0(eng): Video: none (RTV1 / 0x31565452), none, 1920x1080, SAR
 1:1 DAR 16:9, 60 fps, 60 tbr, 1k tbn (default)
   Stream #0:1(eng): Audio: pcm_s16le, 48000 Hz, 2 channels, s16, 1536 kb/s
 (default)
 Unsupported codec with id 0 for input stream 0
 }}}
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Ticket URL: <https://trac.ffmpeg.org/ticket/10397#comment:7>
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