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avfilter/vf_libplacebo: make rotation check more robust

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This currently does not make any difference, but it makes the check
more robust against possible future changes to the rotation parameter.
This commit is contained in:
Niklas Haas
2025-11-03 18:23:31 +01:00
committed by Niklas Haas
parent 49452967e7
commit 08eda05967
1 changed files with 3 additions and 1 deletions
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4
libavfilter/vf_libplacebo.c
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@@ -912,7 +912,9 @@ static void update_crops(AVFilterContext *ctx, LibplaceboInput *in,
image->crop.y0 = av_expr_eval(s->crop_y_pexpr, s->var_values, NULL);
image->crop.x1 = image->crop.x0 + s->var_values[VAR_CROP_W];
image->crop.y1 = image->crop.y0 + s->var_values[VAR_CROP_H];
if (s->rotation % PL_ROTATION_180 == PL_ROTATION_90) {
const pl_rotation rot_total = image->rotation - target->rotation;
if ((rot_total + PL_ROTATION_360) % PL_ROTATION_180 == PL_ROTATION_90) {
/* Libplacebo expects the input crop relative to the actual frame
* dimensions, so un-transpose them here */
FFSWAP(float, image->crop.x0, image->crop.y0);