Niklas Haas a665413248 avfilter/buffersrc: add av_buffersrc_get_status() ...

There is currently no way for API users to know that a buffersrc is no longer
accepting input, except by trying to feed it a frame and seeing what happens.

Of course, this is not possible if the user does not *have* a frame to feed,
but may still wish to know if the filter is still accepting input or not.

Since passing `frame == NULL` to `av_buffersrc_add_frame()` is already treated
as closing the input, we are left with no choice but to introduce a new
function for this.

We don't explicitly return the result of `ff_outlink_get_status()` to avoid
leaking internal status codes, and instead translate them all to AVERROR(EOF).

Backported-from: 623669a02c

2025-11-27 13:21:42 +01:00

161 KiB

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