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authorAndreas Rheinhardt <andreas.rheinhardt@gmail.com>2020-10-27 14:27:36 +0100
committerAndreas Rheinhardt <andreas.rheinhardt@gmail.com>2020-12-08 17:51:45 +0100
commit3f4cfc48dd8eabd8f78a2bcb5ed121bc936fd4cc (patch)
tree779e4d2a4557e22f57d94b134948ce2ea2ff8a06 /libavcodec/cook.c
parent530d86b90d5f776844a936d5fcf1393cc0cd439c (diff)
downloadffmpeg-3f4cfc48dd8eabd8f78a2bcb5ed121bc936fd4cc.tar.gz
avcodec/cook: Apply offset when initializing VLC table
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
Diffstat (limited to 'libavcodec/cook.c')
-rw-r--r--libavcodec/cook.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/libavcodec/cook.c b/libavcodec/cook.c
index f22fd02209..7756098d97 100644
--- a/libavcodec/cook.c
+++ b/libavcodec/cook.c
@@ -200,7 +200,7 @@ static av_cold int init_cook_vlc_tables(COOKContext *q)
result |= ff_init_vlc_from_lengths(&q->envelope_quant_index[i], 9, 24,
envelope_quant_index_huffbits[i], 1,
envelope_quant_index_huffsyms[i], 1, 1,
- 0, 0, q->avctx);
+ -12, 0, q->avctx);
}
av_log(q->avctx, AV_LOG_DEBUG, "sqvh VLC init\n");
for (i = 0; i < 7; i++) {
@@ -385,7 +385,7 @@ static int decode_envelope(COOKContext *q, COOKSubpacket *p,
j = get_vlc2(&q->gb, q->envelope_quant_index[vlc_index - 1].table,
q->envelope_quant_index[vlc_index - 1].bits, 2);
- quant_index_table[i] = quant_index_table[i - 1] + j - 12; // differential encoding
+ quant_index_table[i] = quant_index_table[i - 1] + j; // differential encoding
if (quant_index_table[i] > 63 || quant_index_table[i] < -63) {
av_log(q->avctx, AV_LOG_ERROR,
"Invalid quantizer %d at position %d, outside [-63, 63] range\n",