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| author | Michael Niedermayer <michael@niedermayer.cc> | 2024-09-24 23:43:09 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2024-09-25 19:45:28 +0200 |
| commit | a9c83e43f2fc9128e20851291b0270add1a6b95f (patch) | |
| tree | 70f1331b6ebb72f9ff9f4aca3f8303dc89b794ad | |
| parent | 747e1a26afbb2b4eb367dce8ae186f776706f02c (diff) | |
| download | ffmpeg-a9c83e43f2fc9128e20851291b0270add1a6b95f.tar.gz | |
avcodec/ffv1enc: Fix >8bit context size
Fixes: Ticket5405
Sponsored-by: Sovereign Tech Fund
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
| -rw-r--r-- | libavcodec/ffv1enc.c | 18 |
1 files changed, 10 insertions, 8 deletions
diff --git a/libavcodec/ffv1enc.c b/libavcodec/ffv1enc.c index 1c37f61ada..a6f405289e 100644 --- a/libavcodec/ffv1enc.c +++ b/libavcodec/ffv1enc.c @@ -724,19 +724,21 @@ static av_cold int encode_init(AVCodecContext *avctx) s->quant_tables[1][2][i]= 11*11*quant5 [i]; s->quant_tables[1][3][i]= 5*11*11*quant5 [i]; s->quant_tables[1][4][i]= 5*5*11*11*quant5 [i]; + s->context_count[0] = (11 * 11 * 11 + 1) / 2; + s->context_count[1] = (11 * 11 * 5 * 5 * 5 + 1) / 2; } else { s->quant_tables[0][0][i]= quant9_10bit[i]; - s->quant_tables[0][1][i]= 11*quant9_10bit[i]; - s->quant_tables[0][2][i]= 11*11*quant9_10bit[i]; + s->quant_tables[0][1][i]= 9*quant9_10bit[i]; + s->quant_tables[0][2][i]= 9*9*quant9_10bit[i]; s->quant_tables[1][0][i]= quant9_10bit[i]; - s->quant_tables[1][1][i]= 11*quant9_10bit[i]; - s->quant_tables[1][2][i]= 11*11*quant5_10bit[i]; - s->quant_tables[1][3][i]= 5*11*11*quant5_10bit[i]; - s->quant_tables[1][4][i]= 5*5*11*11*quant5_10bit[i]; + s->quant_tables[1][1][i]= 9*quant9_10bit[i]; + s->quant_tables[1][2][i]= 9*9*quant5_10bit[i]; + s->quant_tables[1][3][i]= 5*9*9*quant5_10bit[i]; + s->quant_tables[1][4][i]= 5*5*9*9*quant5_10bit[i]; + s->context_count[0] = (9 * 9 * 9 + 1) / 2; + s->context_count[1] = (9 * 9 * 5 * 5 * 5 + 1) / 2; } } - s->context_count[0] = (11 * 11 * 11 + 1) / 2; - s->context_count[1] = (11 * 11 * 5 * 5 * 5 + 1) / 2; if ((ret = ff_ffv1_allocate_initial_states(s)) < 0) return ret; |