Andreas Rheinhardt 259234b46f avcodec/vp9: Simplify replacing VP9Frame ...

ff_thread_progress_replace() can handle a blank ProgressFrame
as src (in which case it simply unreferences dst), but not
a NULL one. So add a blank frame to be used as source for
this case, so that we can use the replace functions
to simplify vp9_frame_replace().

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>

2024-04-19 13:18:04 +02:00

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