[FFmpeg-devel] [PATCH] fftools/ffmpeg_demux: gracefully ignore mismatching channel layouts for -channel_layout option

[Anton Khirnov]

Quoting Marton Balint (2024-06-03 23:48:47)
> The very old behaviour of -channel_layout was to simply warn the user about
> channel layouts which does not have a matching channel count, and ignore them,
> instead of reporting an error.
> 
> The recent fix re-added support for overriding -channel_layout, but it rejected
> mismatching layouts. There is no easy way for the user to specify a channel
> layout only for streams with matching number of channels, so this patch
> restores the very old behaviour of ignoring mismatching layouts. See the
> discussion in ticket #11016.

I'm ambivalent about this. On one hand it probably doesn't hurt, for now
at least, on the other it seems quite ad-hoc. Previously it worked this
way mostly by accident, whereas if we now restore this behaviour
deliberately we'll be committing to supporting it for the foreseeable
future.

-- 
Anton Khirnov