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Code Issues Releases Activity

avcodec/ffv1enc: Fix >8bit context size

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Fixes: Ticket5405

Sponsored-by: Sovereign Tech Fund
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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Michael Niedermayer 2024-09-24 23:43:09 +02:00
parent 747e1a26af
commit a9c83e43f2
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GPG Key ID: B18E8928B3948D64
1 changed files with 10 additions and 8 deletions
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18
libavcodec/ffv1enc.c
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@ -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;