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authorJames Almer <jamrial@gmail.com>2021-09-14 09:47:32 -0300
committerJames Almer <jamrial@gmail.com>2021-09-14 13:55:49 -0300
commit5d5ab3b4e68109f216467866d193182eb8e41386 (patch)
treeca7d50a440f9425042a9d9a02401c160146dec8c /libavcodec/h264_picture.c
parente67deaf86cb1a79054c4f6dcfcaab9b2c60eb8a4 (diff)
avcodec/h264_picture: wait for the second slice to apply film grain on interlaced content
Fixes: Assertion failure Fixes: clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_H264_fuzzer-6581961297100800 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: James Almer <jamrial@gmail.com>
Diffstat (limited to 'libavcodec/h264_picture.c')
-rw-r--r--libavcodec/h264_picture.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/libavcodec/h264_picture.c b/libavcodec/h264_picture.c
index 5944798394..66fd9bc4cb 100644
--- a/libavcodec/h264_picture.c
+++ b/libavcodec/h264_picture.c
@@ -250,7 +250,7 @@ int ff_h264_field_end(H264Context *h, H264SliceContext *sl, int in_setup)
if (err < 0)
av_log(avctx, AV_LOG_ERROR,
"hardware accelerator failed to decode picture\n");
- } else if (!in_setup && cur->needs_fg) {
+ } else if (!in_setup && cur->needs_fg && (!FIELD_PICTURE(h) || !h->first_field)) {
AVFrameSideData *sd = av_frame_get_side_data(cur->f, AV_FRAME_DATA_FILM_GRAIN_PARAMS);
av_assert0(sd); // always present if `cur->needs_fg`
err = ff_h274_apply_film_grain(cur->f_grain, cur->f, &h->h274db,