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authorKostya Shishkov <kostya.shishkov@gmail.com>2012-05-01 16:09:51 +0200
committerKostya Shishkov <kostya.shishkov@gmail.com>2012-05-02 18:46:11 +0200
commit0e23b508214611659fc459ed6e5d6704b907694b (patch)
tree684887266cad85091af255f91b44d5d0f46255d7 /libavcodec/wmalosslessdec.c
parentc8370e6e35e528a703b034824d0aad8fbe08c476 (diff)
downloadffmpeg-0e23b508214611659fc459ed6e5d6704b907694b.tar.gz
wmall: fix reconstructing audio with uncoded channels
Diffstat (limited to 'libavcodec/wmalosslessdec.c')
-rw-r--r--libavcodec/wmalosslessdec.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/libavcodec/wmalosslessdec.c b/libavcodec/wmalosslessdec.c
index e2e2997231..ff6308343e 100644
--- a/libavcodec/wmalosslessdec.c
+++ b/libavcodec/wmalosslessdec.c
@@ -654,8 +654,6 @@ static void mclms_predict(WmallDecodeCtx *s, int icoef, int *pred)
int num_channels = s->num_channels;
for (ich = 0; ich < num_channels; ich++) {
- if (!s->is_channel_coded[ich])
- continue;
pred[ich] = 0;
for (i = 0; i < order * num_channels; i++)
pred[ich] += s->mclms_prevvalues[i + s->mclms_recent] *
@@ -789,7 +787,7 @@ static void revert_inter_ch_decorr(WmallDecodeCtx *s, int tile_size)
{
if (s->num_channels != 2)
return;
- else if (s->is_channel_coded[0] && s->is_channel_coded[1]) {
+ else if (s->is_channel_coded[0] || s->is_channel_coded[1]) {
int icoef;
for (icoef = 0; icoef < tile_size; icoef++) {
s->channel_residues[0][icoef] -= s->channel_residues[1][icoef] >> 1;
@@ -955,6 +953,8 @@ static int decode_subframe(WmallDecodeCtx *s)
else
use_normal_update_speed(s, i);
revert_cdlms(s, i, 0, subframe_len);
+ } else {
+ memset(s->channel_residues[i], 0, sizeof(**s->channel_residues) * subframe_len);
}
}
if (s->do_mclms)