generic-library/ffmpeg
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

Merge commit 'adadc3f2443d25b375e21e801516ccfd78e0b080'

Browse Source 
* commit 'adadc3f2443d25b375e21e801516ccfd78e0b080':
  qdm2: refactor joined stereo support

Conflicts:
	libavcodec/qdm2.c

See: 2b12d1ffd841cf57976b124c1882e4a23a7c5f61

Merged-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2013-07-10 14:53:05 +02:00
commit 564909093a
1 changed files with 12 additions and 10 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

22
libavcodec/qdm2.c
View File

@ -815,7 +815,7 @@ static int synthfilt_build_sb_samples(QDM2Context *q, GetBitContext *gb,
int length, int sb_min, int sb_max)
{
int sb, j, k, n, ch, run, channels;
int joined_stereo, zero_encoding, chs;
int joined_stereo, zero_encoding;
int type34_first;
float type34_div = 0;
float type34_predictor;
@ -991,16 +991,18 @@ static int synthfilt_build_sb_samples(QDM2Context *q, GetBitContext *gb,
}
if (joined_stereo) {
float tmp[10][MPA_MAX_CHANNELS];
for (k = 0; k < run; k++) {
tmp[k][0] = samples[k];
if ((j + k) < 128)
tmp[k][1] = (sign_bits[(j + k) / 8]) ? -samples[k] : samples[k];
for (k = 0; k < run && j + k < 128; k++) {
q->sb_samples[0][j + k][sb] =
q->tone_level[0][sb][(j + k) / 2] * samples[k];
if (q->nb_channels == 2) {
if (sign_bits[(j + k) / 8])
q->sb_samples[1][j + k][sb] =
q->tone_level[1][sb][(j + k) / 2] * -samples[k];
else
q->sb_samples[1][j + k][sb] =
q->tone_level[1][sb][(j + k) / 2] * samples[k];
}
}
for (chs = 0; chs < q->nb_channels; chs++)
for (k = 0; k < run; k++)
if ((j + k) < 128)
q->sb_samples[chs][j + k][sb] = q->tone_level[chs][sb][((j + k)/2)] * tmp[k][chs];
} else {
for (k = 0; k < run; k++)
if ((j + k) < 128)