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| author | Luca Barbato <lu_zero@gentoo.org> | 2013-06-27 02:50:52 +0200 |
|---|---|---|
| committer | Luca Barbato <lu_zero@gentoo.org> | 2013-07-07 22:06:35 +0200 |
| commit | 744a11c996641888d477a3981d609e79eeb69ea9 (patch) | |
| tree | 704c302af5cab2b05f8ff1f4c0652d48e4fea105 /libavcodec | |
| parent | 76efedeadb1f6bf79020c44a71dd0cee13d932ad (diff) | |
| download | ffmpeg-744a11c996641888d477a3981d609e79eeb69ea9.tar.gz | |
qdm2: check and reset dithering index per channel
Checking per subband would have the index exceed the
dithering noise table size.
Reported-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC: libav-stable@libav.org
Diffstat (limited to 'libavcodec')
| -rw-r--r-- | libavcodec/qdm2.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/libavcodec/qdm2.c b/libavcodec/qdm2.c index fd1e7bb99c..6343ce3d5e 100644 --- a/libavcodec/qdm2.c +++ b/libavcodec/qdm2.c @@ -822,8 +822,6 @@ static void synthfilt_build_sb_samples(QDM2Context *q, GetBitContext *gb, } for (sb = sb_min; sb < sb_max; sb++) { - FIX_NOISE_IDX(q->noise_idx); - channels = q->nb_channels; if (q->nb_channels <= 1 || sb < 12) @@ -847,6 +845,7 @@ static void synthfilt_build_sb_samples(QDM2Context *q, GetBitContext *gb, } for (ch = 0; ch < channels; ch++) { + FIX_NOISE_IDX(q->noise_idx); zero_encoding = (get_bits_left(gb) >= 1) ? get_bits1(gb) : 0; type34_predictor = 0.0; type34_first = 1; |