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mirror of https://github.com/FFmpeg/FFmpeg.git synced 2025-02-04 06:08:26 +02:00
FFmpeg/libavfilter
Niklas Haas 8e2f61ef04 avfilter/vf_blackdetect: support full-range YUV
This filter currently makes the distinction between limited and full
range by testing for the deprecated YUVJ pixel formats at link setup
time. This is deprecated and should be improved to perform the detection
based on the per-frame metadata.

Rewrite it to calculate the black pixel threshold at the time of
filtering a frame, when metadata about the frame's color range is known.
Doing it this way has the small side benefit of being able to handle
streams with variable metadata, and is not a meaningful performance
cost.

Signed-off-by: Niklas Haas <git@haasn.dev>
2022-12-20 14:02:37 +01:00
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