generic-library/ffmpeg
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Use quantizer value read from bitstream

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Currently the code initializes quantizer even
before reading it from bitstream and uses that
to dequantize samples.
This commit is contained in:
Mashiat Sarker Shakkhar 2012-01-01 14:32:10 +06:00
parent a6da23f146
commit 3d84495128
1 changed files with 4 additions and 4 deletions
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8
libavcodec/wmalosslessdec.c
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@ -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 */