PR #21740 opened by James Almer (jamrial) URL: https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/21740 Patch URL: https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/21740.patch
Fixes segfaults when handling files with odd chroma subsampled dimensions in some scenarios like using the hstack filter. ./ffmpeg -lavfi testsrc=s=255x31,format=yuv420p -vframes 1 -y in.jpg && \ ./ffmpeg -i in.jpg -i in.jpg -i in.jpg -i in.jpg -filter_complex "xstack=inputs=4:grid=2x2" -y out.png Fixes issue #21739. >From 2befc9f9d8678e6c8e037eb83ea11b55fd1f2025 Mon Sep 17 00:00:00 2001 From: James Almer <[email protected]> Date: Thu, 12 Feb 2026 12:20:04 -0300 Subject: [PATCH] avfilter/framepool: add a few padding lines by aligning height Fixes segfaults when handling files with odd chroma subsampled dimensions in some scenarios like using the hstack filter. ./ffmpeg -lavfi testsrc=s=255x31,format=yuv420p -vframes 1 -y in.jpg && \ ./ffmpeg -i in.jpg -i in.jpg -i in.jpg -i in.jpg -filter_complex "xstack=inputs=4:grid=2x2" -y out.png Fixes issue #21739. Signed-off-by: James Almer <[email protected]> --- libavfilter/framepool.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavfilter/framepool.c b/libavfilter/framepool.c index 1a1fc0de1e..10a9b6cf27 100644 --- a/libavfilter/framepool.c +++ b/libavfilter/framepool.c @@ -92,7 +92,7 @@ FFFramePool *ff_frame_pool_video_init(AVBufferRef* (*alloc)(size_t size), linesizes[i] = pool->linesize[i]; if (av_image_fill_plane_sizes(sizes, pool->format, - pool->height, + FFALIGN(pool->height, align), linesizes) < 0) { goto fail; } -- 2.52.0 _______________________________________________ ffmpeg-devel mailing list -- [email protected] To unsubscribe send an email to [email protected]
