[FFmpeg-devel] [PATCH 1/4] avcodec/ffv1enc: add space for the remap table to max_size

Michael Niedermayer michael at niedermayer.cc
Mon Mar 10 00:58:03 EET 2025


Sponsored-by: Sovereign Tech Fund
Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>
---
 libavcodec/ffv1enc.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/libavcodec/ffv1enc.c b/libavcodec/ffv1enc.c
index b4080f29002..7c73ff12c2f 100644
--- a/libavcodec/ffv1enc.c
+++ b/libavcodec/ffv1enc.c
@@ -1211,7 +1211,8 @@ size_t ff_ffv1_encode_buffer_size(AVCodecContext *avctx)
     size_t maxsize = avctx->width*avctx->height * (1 + f->transparency);
     if (f->chroma_planes)
         maxsize += AV_CEIL_RSHIFT(avctx->width, f->chroma_h_shift) * AV_CEIL_RSHIFT(f->height, f->chroma_v_shift) * 2;
-    maxsize += f->slice_count * 800; //for slice header
+    maxsize += f->slice_count * 800; //for slice header and
+    maxsize += f->slice_count * 9000 * !!f->flt; //remap table
     if (f->version > 3) {
         maxsize *= f->bits_per_raw_sample + 1;
     } else {
-- 
2.48.1



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