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swscale/ops_optimizer: properly swizzle comps_src when splitting

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Fixes a pre-existing latent bug in the subpass splitting, that was
made worse / exposed by 048ca3b367.

Fixes: cba54e9e3b
Signed-off-by: Niklas Haas <git@haasn.dev>
This commit is contained in:
Niklas Haas
2026-04-07 16:29:13 +02:00
committed by Niklas Haas
parent dcbfa11c96
commit 420019a313
1 changed files with 3 additions and 2 deletions
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5
libswscale/ops_optimizer.c
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@@ -967,14 +967,15 @@ int ff_sws_op_list_subpass(SwsOpList *ops1, SwsOpList **out_rest)
/* Determine metadata for the intermediate format */
const SwsPixelType type = op->type;
ops2->comps_src = prev->comps;
ops2->src.format = get_planar_fmt(type, nb_planes);
ops2->src.desc = av_pix_fmt_desc_get(ops2->src.format);
get_input_size(ops1, &ops2->src);
ops1->dst = ops2->src;
for (int i = 0; i < nb_planes; i++)
for (int i = 0; i < nb_planes; i++) {
ops1->plane_dst[i] = ops2->plane_src[i] = i;
ops2->comps_src.flags[i] = prev->comps.flags[swiz_wr.in[i]];
}
ff_sws_op_list_remove_at(ops1, idx, ops1->num_ops - idx);
ff_sws_op_list_remove_at(ops2, 0, idx);