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avcodec/ffv1enc: Consider 2s x s slice configurations

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Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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Michael Niedermayer
2025-04-03 11:50:17 +02:00
parent 2d9c9dae14
commit 37a319fb95
1 changed files with 1 additions and 1 deletions
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libavcodec/ffv1enc.c
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@ -570,7 +570,7 @@ int ff_ffv1_encode_determine_slices(AVCodecContext *avctx)
s->num_v_slices = (avctx->width > 352 || avctx->height > 288 || !avctx->slices) ? 2 : 1; s->num_v_slices = (avctx->width > 352 || avctx->height > 288 || !avctx->slices) ? 2 : 1;
s->num_v_slices = FFMIN(s->num_v_slices, max_v_slices); s->num_v_slices = FFMIN(s->num_v_slices, max_v_slices);
for (; s->num_v_slices < 32; s->num_v_slices++) { for (; s->num_v_slices < 32; s->num_v_slices++) {
for (s->num_h_slices = s->num_v_slices; s->num_h_slices < 2*s->num_v_slices; s->num_h_slices++) { for (s->num_h_slices = s->num_v_slices; s->num_h_slices <= 2*s->num_v_slices; s->num_h_slices++) {
int maxw = (avctx->width + s->num_h_slices - 1) / s->num_h_slices; int maxw = (avctx->width + s->num_h_slices - 1) / s->num_h_slices;
int maxh = (avctx->height + s->num_v_slices - 1) / s->num_v_slices; int maxh = (avctx->height + s->num_v_slices - 1) / s->num_v_slices;
if (s->num_h_slices > max_h_slices || s->num_v_slices > max_v_slices) if (s->num_h_slices > max_h_slices || s->num_v_slices > max_v_slices)