[FFmpeg-trac] #11148(avdevice:open): DirectShow (dshow) support lacking beyond device defaults

[FFmpeg]

#11148: DirectShow (dshow) support lacking beyond device defaults
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             Reporter:  blurbdust    |                    Owner:  Diederick
                                     |  Niehorster
                 Type:  defect       |                   Status:  open
             Priority:  normal       |                Component:  avdevice
              Version:  git-master   |               Resolution:
             Keywords:               |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
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Comment (by blurbdust):

 After doing some testing, the device actually upscales from 24 bit to 32
 bit int when doing a 32 bit capture in the vendor's software. I will be
 staying away from 32 bit capture from this device to avoid the upscaling.
 As for the requested updates within ffmpeg, if 32 bit int is too niche,
 then I suggest upping the limit to 24 bit int instead. That would change
 the suggested line update within the patch to `+    { "sample_size", "set
 audio sample size", OFFSET(sample_size), AV_OPT_TYPE_INT, {.i64 = 0}, 0,
 24, DEC },`.
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Ticket URL: <https://trac.ffmpeg.org/ticket/11148#comment:6>
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