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ffmpeg.wasm-core
Commit e9e37f2d authored by Justin Ruggles's avatar Justin Ruggles
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cosmetics: reindent

parent 9000b6db
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Showing with 81 additions and 81 deletions
libavcodec/shorten.c
View file @ e9e37f2d
......@@ -427,91 +427,91 @@ static int shorten_decode_frame(AVCodecContext *avctx,
}
} else {
/* process audio command */
int residual_size = 0;
int channel = s->cur_chan;
int32_t coffset;
if (cmd != FN_ZERO) {
residual_size = get_ur_golomb_shorten(&s->gb, ENERGYSIZE);
/* this is a hack as version 0 differed in defintion of get_sr_golomb_shorten */
if (s->version == 0)
residual_size--;
}
int residual_size = 0;
int channel = s->cur_chan;
int32_t coffset;
if (cmd != FN_ZERO) {
residual_size = get_ur_golomb_shorten(&s->gb, ENERGYSIZE);
/* this is a hack as version 0 differed in defintion of get_sr_golomb_shorten */
if (s->version == 0)
residual_size--;
}
if (s->nmean == 0)
coffset = s->offset[channel][0];
else {
int32_t sum = (s->version < 2) ? 0 : s->nmean / 2;
for (i=0; i<s->nmean; i++)
sum += s->offset[channel][i];
coffset = sum / s->nmean;
if (s->version >= 2)
coffset >>= FFMIN(1, s->bitshift);
}
switch (cmd) {
case FN_ZERO:
for (i=0; i<s->blocksize; i++)
s->decoded[channel][i] = 0;
break;
case FN_DIFF0:
for (i=0; i<s->blocksize; i++)
s->decoded[channel][i] = get_sr_golomb_shorten(&s->gb, residual_size) + coffset;
break;
case FN_DIFF1:
for (i=0; i<s->blocksize; i++)
s->decoded[channel][i] = get_sr_golomb_shorten(&s->gb, residual_size) + s->decoded[channel][i - 1];
break;
case FN_DIFF2:
for (i=0; i<s->blocksize; i++)
s->decoded[channel][i] = get_sr_golomb_shorten(&s->gb, residual_size) + 2*s->decoded[channel][i-1]
- s->decoded[channel][i-2];
break;
case FN_DIFF3:
for (i=0; i<s->blocksize; i++)
s->decoded[channel][i] = get_sr_golomb_shorten(&s->gb, residual_size) + 3*s->decoded[channel][i-1]
- 3*s->decoded[channel][i-2]
+ s->decoded[channel][i-3];
break;
case FN_QLPC:
{
int pred_order = get_ur_golomb_shorten(&s->gb, LPCQSIZE);
if (pred_order > s->nwrap) {
av_log(avctx, AV_LOG_ERROR,
"invalid pred_order %d\n",
pred_order);
return -1;
}
for (i=0; i<pred_order; i++)
s->decoded[channel][i - pred_order] -= coffset;
decode_subframe_lpc(s, channel, residual_size, pred_order);
if (coffset != 0)
for (i=0; i < s->blocksize; i++)
s->decoded[channel][i] += coffset;
}
}
if (s->nmean > 0) {
int32_t sum = (s->version < 2) ? 0 : s->blocksize / 2;
for (i=0; i<s->blocksize; i++)
sum += s->decoded[channel][i];
for (i=1; i<s->nmean; i++)
s->offset[channel][i-1] = s->offset[channel][i];
if (s->version < 2)
s->offset[channel][s->nmean - 1] = sum / s->blocksize;
else
s->offset[channel][s->nmean - 1] = (sum / s->blocksize) << s->bitshift;
if (s->nmean == 0)
coffset = s->offset[channel][0];
else {
int32_t sum = (s->version < 2) ? 0 : s->nmean / 2;
for (i=0; i<s->nmean; i++)
sum += s->offset[channel][i];
coffset = sum / s->nmean;
if (s->version >= 2)
coffset >>= FFMIN(1, s->bitshift);
}
switch (cmd) {
case FN_ZERO:
for (i=0; i<s->blocksize; i++)
s->decoded[channel][i] = 0;
break;
case FN_DIFF0:
for (i=0; i<s->blocksize; i++)
s->decoded[channel][i] = get_sr_golomb_shorten(&s->gb, residual_size) + coffset;
break;
case FN_DIFF1:
for (i=0; i<s->blocksize; i++)
s->decoded[channel][i] = get_sr_golomb_shorten(&s->gb, residual_size) + s->decoded[channel][i - 1];
break;
case FN_DIFF2:
for (i=0; i<s->blocksize; i++)
s->decoded[channel][i] = get_sr_golomb_shorten(&s->gb, residual_size) + 2*s->decoded[channel][i-1]
- s->decoded[channel][i-2];
break;
case FN_DIFF3:
for (i=0; i<s->blocksize; i++)
s->decoded[channel][i] = get_sr_golomb_shorten(&s->gb, residual_size) + 3*s->decoded[channel][i-1]
- 3*s->decoded[channel][i-2]
+ s->decoded[channel][i-3];
break;
case FN_QLPC:
{
int pred_order = get_ur_golomb_shorten(&s->gb, LPCQSIZE);
if (pred_order > s->nwrap) {
av_log(avctx, AV_LOG_ERROR,
"invalid pred_order %d\n",
pred_order);
return -1;
}
for (i=0; i<pred_order; i++)
s->decoded[channel][i - pred_order] -= coffset;
decode_subframe_lpc(s, channel, residual_size, pred_order);
if (coffset != 0)
for (i=0; i < s->blocksize; i++)
s->decoded[channel][i] += coffset;
}
for (i=-s->nwrap; i<0; i++)
s->decoded[channel][i] = s->decoded[channel][i + s->blocksize];
}
if (s->nmean > 0) {
int32_t sum = (s->version < 2) ? 0 : s->blocksize / 2;
for (i=0; i<s->blocksize; i++)
sum += s->decoded[channel][i];
for (i=1; i<s->nmean; i++)
s->offset[channel][i-1] = s->offset[channel][i];
if (s->version < 2)
s->offset[channel][s->nmean - 1] = sum / s->blocksize;
else
s->offset[channel][s->nmean - 1] = (sum / s->blocksize) << s->bitshift;
}
for (i=-s->nwrap; i<0; i++)
s->decoded[channel][i] = s->decoded[channel][i + s->blocksize];
fix_bitshift(s, s->decoded[channel]);
fix_bitshift(s, s->decoded[channel]);
s->cur_chan++;
if (s->cur_chan == s->channels) {
samples = interleave_buffer(samples, s->channels, s->blocksize, s->decoded);
s->cur_chan = 0;
goto frame_done;
}
s->cur_chan++;
if (s->cur_chan == s->channels) {
samples = interleave_buffer(samples, s->channels, s->blocksize, s->decoded);
s->cur_chan = 0;
goto frame_done;
}
}
}
frame_done:
......
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