[FFmpeg-trac] #9938(undetermined:new): Updates to libopenh264

[FFmpeg]

#9938: Updates to libopenh264
-------------------------------------+-------------------------------------
             Reporter:  Jozef        |                     Type:
  Chutka                             |  enhancement
               Status:  new          |                 Priority:  normal
            Component:               |                  Version:
  undetermined                       |  unspecified
             Keywords:  libopenh264  |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
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 Please update implementation or docs for https://ffmpeg.org/ffmpeg-
 codecs.html#libopenh264 :

 It is a bit hard to find available openh264 params, but following
 https://github.com/cisco/openh264/blob/master/testbin/welsenc.cfg it seems
 there are some interesting ones available `ComplexityMode`, `RCMode`,
 `MaxQp`, `MinQp` and few more.

 Some other encoders have `***-params` available, so I propose
 `openh264-params` to be able to pass not yet implemented ones...

 Using ffmpeg version N-108232-g79845ce6cf-20220920 Copyright (c) 2000-2022
 the FFmpeg developers

 Current doc mentions `slice_mode`, however seems deprecated:

 {{{
 ffmpeg ... -c:v libopenh264 -slice_mode fixed ...

 [libopenh264enc @ 00000203cc219500] The "slice_mode" option is deprecated:
 set slice mode, use slices/max_nal_size
 }}}
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Ticket URL: <https://trac.ffmpeg.org/ticket/9938>
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