From 0e23b508214611659fc459ed6e5d6704b907694b Mon Sep 17 00:00:00 2001 From: Kostya Shishkov Date: Tue, 1 May 2012 16:09:51 +0200 Subject: [PATCH] wmall: fix reconstructing audio with uncoded channels --- libavcodec/wmalosslessdec.c | 6 +++--- 1 file 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)