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avcodec/ffv1enc: add space for the remap table to max_size

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Sponsored-by: Sovereign Tech Fund
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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Michael Niedermayer
2025-03-09 23:00:04 +01:00
parent a90ff81287
commit dcf6142794
1 changed files with 2 additions and 0 deletions
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libavcodec/ffv1enc.c
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@ -1249,6 +1249,8 @@ size_t ff_ffv1_encode_buffer_size(AVCodecContext *avctx)
maxsize += f->slice_count * 800; //for slice header maxsize += f->slice_count * 800; //for slice header
if (f->version > 3) { if (f->version > 3) {
maxsize *= f->bits_per_raw_sample + 1; maxsize *= f->bits_per_raw_sample + 1;
if (f->flt) //remap table
maxsize += f->slice_count * 70000 * (1 + 2*f->chroma_planes + f->transparency);
} else { } else {
maxsize += f->slice_count * 2 * (avctx->width + avctx->height); //for bug with slices that code some pixels more than once maxsize += f->slice_count * 2 * (avctx->width + avctx->height); //for bug with slices that code some pixels more than once
maxsize *= 8*(2*f->bits_per_raw_sample + 5); maxsize *= 8*(2*f->bits_per_raw_sample + 5);