[FFmpeg-devel] Re: [PATCH] avfilter: enhance command processing with chain propagation and direction control. (PR #20731)

[Nicolas George via ffmpeg-devel <ffmpeg-devel@ffmpeg.org>]

cenzhanquan1 via ffmpeg-devel (HE12025-10-21):
> PR #20731 opened by cenzhanquan1
> URL: https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/20731
> Patch URL: https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/20731.patch
> 
> The existing avfilter_process_command and avfilter_graph_send_command havelimitations in
> command propagation: they only handle commands for individualfilters and lack the ability
> to propagate commands through the entire filterchain, nor do they support directional
> traversal of the filter graph. Thismakes it difficult to control multiple filters in a chain
> (e.g., adjustingvolume for all related filters or enabling/disabling a series of filters)with
> a single command.

You are proposing to add an API without adding any code that uses that
API, let alone user-oriented examples. That makes it impossible to guess
if the feature is useful or if there are better ways to achieve what you
want it to do.

Regards,

-- 
  Nicolas George
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