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-rw-r--r--libavcodec/vorbisdec.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/libavcodec/vorbisdec.c b/libavcodec/vorbisdec.c
index d3f6faff69..c83d49dbba 100644
--- a/libavcodec/vorbisdec.c
+++ b/libavcodec/vorbisdec.c
@@ -1510,8 +1510,10 @@ static int vorbis_parse_audio_packet(vorbis_context *vc)
blockflag = vc->modes[mode_number].blockflag;
blocksize = vc->blocksize[blockflag];
vlen = blocksize / 2;
- if (blockflag)
- skip_bits(gb, 2); // previous_window, next_window
+ if (blockflag) {
+ previous_window = get_bits(gb, 1);
+ skip_bits1(gb); // next_window
+ }
memset(ch_res_ptr, 0, sizeof(float) * vc->audio_channels * vlen); //FIXME can this be removed ?
memset(ch_floor_ptr, 0, sizeof(float) * vc->audio_channels * vlen); //FIXME can this be removed ?