summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorMashiat Sarker Shakkhar <shahriman_ams@yahoo.com>2012-01-01 14:32:10 +0600
committerMashiat Sarker Shakkhar <shahriman_ams@yahoo.com>2012-01-01 14:32:40 +0600
commit3d8449512840215ab48d1b2e337bbd0841635300 (patch)
treee29717a26bb7863fe05c2aeeadc438b973558ba0
parenta6da23f1467122ac2d52edd406870128339dc88a (diff)
Use quantizer value read from bitstream
Currently the code initializes quantizer even before reading it from bitstream and uses that to dequantize samples.
-rw-r--r--libavcodec/wmalosslessdec.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/libavcodec/wmalosslessdec.c b/libavcodec/wmalosslessdec.c
index da8bb59c8b..ce845f1e55 100644
--- a/libavcodec/wmalosslessdec.c
+++ b/libavcodec/wmalosslessdec.c
@@ -1067,7 +1067,6 @@ static int decode_subframe(WmallDecodeCtx *s)
int total_samples = s->samples_per_frame * s->num_channels;
int rawpcm_tile;
int padding_zeroes;
- int quant_stepsize = s->quant_stepsize;
s->subframe_offset = get_bits_count(&s->gb);
@@ -1194,9 +1193,10 @@ static int decode_subframe(WmallDecodeCtx *s)
revert_acfilter(s, subframe_len);
/* Dequantize */
- for (i = 0; i < s->num_channels; i++)
- for (j = 0; j < subframe_len; j++)
- s->channel_residues[i][j] *= quant_stepsize;
+ if (s->quant_stepsize != 1)
+ for (i = 0; i < s->num_channels; i++)
+ for (j = 0; j < subframe_len; j++)
+ s->channel_residues[i][j] *= s->quant_stepsize;
/** handled one subframe */