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ffmpeg/libavfilter
Kacper Michajłow dcf567a048 avfilter/vf_bwdif: fix line boundary checks for >8 bits content
The mrefs/prefs boundary conditions scaled the y limits by the number of
bytes per sample, even though the ref offsets are already expressed in
elements. For content deeper than 8 bits this clamped perfectly valid
in-bounds line taps.

Found by validating the libplacebo GPU port against this filter, which
matches exactly on 16-bit content everywhere except these lines.

This changes the output for >8 bit content on the affected lines.

Signed-off-by: Kacper Michajłow <kasper93@gmail.com>
(cherry picked from commit 7d96c87a7382fed8d571748d6ed5c1869c192c31)
2026-08-08 21:46:49 +00:00
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