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| author | Niklas Haas <git@haasn.dev> | 2021-08-02 12:24:27 +0200 |
|---|---|---|
| committer | James Almer <jamrial@gmail.com> | 2021-08-15 13:15:21 -0300 |
| commit | 33756c539b652fc6c2d10f92ab1ca71559619fa6 (patch) | |
| tree | 3510d1aa2c7a54bf50465e4615c63f1575b1e60e | |
| parent | 83860a3d8c45ee2575eb2b8343c0f27f74b61d5d (diff) | |
| download | ffmpeg-33756c539b652fc6c2d10f92ab1ca71559619fa6.tar.gz | |
avcodec/h264_sei: fix H.274 film grain parsing
The current code reads the wrong number of bits for `fg_model_id`, which
causes all of the values downstream of this to contain corrupt values.
Fixes: corrupt SEI values
Fixes: 4ff73add5dbe6c319d693355be44df2e17a0b8bf
Signed-off-by: Niklas Haas <git@haasn.dev>
| -rw-r--r-- | libavcodec/h264_sei.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libavcodec/h264_sei.c b/libavcodec/h264_sei.c index 7797f24650..329c2ea4f2 100644 --- a/libavcodec/h264_sei.c +++ b/libavcodec/h264_sei.c @@ -424,7 +424,7 @@ static int decode_film_grain_characteristics(H264SEIFilmGrainCharacteristics *h, if (h->present) { memset(h, 0, sizeof(*h)); - h->model_id = get_bits(gb, 8); + h->model_id = get_bits(gb, 2); h->separate_colour_description_present_flag = get_bits1(gb); if (h->separate_colour_description_present_flag) { h->bit_depth_luma = get_bits(gb, 3) + 8; |