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Merge commit '26ffcc7de1d98f77400a2ebe4e75055515c54587'

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* commit '26ffcc7de1d98f77400a2ebe4e75055515c54587':
  dcadec: Use int32_to_float_fmul_array8

Merged-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2013-07-22 11:48:29 +02:00
commit 1573274b91
1 changed files with 15 additions and 8 deletions
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23
libavcodec/dcadec.c
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@ -1306,7 +1306,7 @@ static int dca_subsubframe(DCAContext *s, int base_channel, int block_index)
/* FIXME */
float (*subband_samples)[DCA_SUBBANDS][8] = s->subband_samples[block_index];
LOCAL_ALIGNED_16(int32_t, block, [8]);
LOCAL_ALIGNED_16(int32_t, block, [8 * DCA_SUBBANDS]);
/*
* Audio data
@ -1319,6 +1319,8 @@ static int dca_subsubframe(DCAContext *s, int base_channel, int block_index)
quant_step_table = lossy_quant_d;
for (k = base_channel; k < s->prim_channels; k++) {
float rscale[DCA_SUBBANDS];
if (get_bits_left(&s->gb) < 0)
return AVERROR_INVALIDDATA;
@ -1341,11 +1343,12 @@ static int dca_subsubframe(DCAContext *s, int base_channel, int block_index)
* Extract bits from the bit stream
*/
if (!abits) {
memset(subband_samples[k][l], 0, 8 * sizeof(subband_samples[0][0][0]));
rscale[l] = 0;
memset(block + 8 * l, 0, 8 * sizeof(block[0]));
} else {
/* Deal with transients */
int sfi = s->transition_mode[k][l] && subsubframe >= s->transition_mode[k][l];
float rscale = quant_step_size * s->scale_factor[k][l][sfi] *
rscale[l] = quant_step_size * s->scale_factor[k][l][sfi] *
s->scalefactor_adj[k][sel];
if (abits >= 11 || !dca_smpl_bitalloc[abits].vlc[sel].table) {
@ -1359,7 +1362,7 @@ static int dca_subsubframe(DCAContext *s, int base_channel, int block_index)
block_code1 = get_bits(&s->gb, size);
block_code2 = get_bits(&s->gb, size);
err = decode_blockcodes(block_code1, block_code2,
levels, block);
levels, block + 8 * l);
if (err) {
av_log(s->avctx, AV_LOG_ERROR,
"ERROR: block code look-up failed\n");
@ -1368,19 +1371,23 @@ static int dca_subsubframe(DCAContext *s, int base_channel, int block_index)
} else {
/* no coding */
for (m = 0; m < 8; m++)
block[m] = get_sbits(&s->gb, abits - 3);
block[8 * l + m] = get_sbits(&s->gb, abits - 3);
}
} else {
/* Huffman coded */
for (m = 0; m < 8; m++)
block[m] = get_bitalloc(&s->gb,
block[8 * l + m] = get_bitalloc(&s->gb,
&dca_smpl_bitalloc[abits], sel);
}
s->fmt_conv.int32_to_float_fmul_scalar(subband_samples[k][l],
block, rscale, 8);
}
}
s->fmt_conv.int32_to_float_fmul_array8(&s->fmt_conv, subband_samples[k][0],
block, rscale, 8 * s->vq_start_subband[k]);
for (l = 0; l < s->vq_start_subband[k]; l++) {
int m;
/*
* Inverse ADPCM if in prediction mode
*/