[SCM] libav/experimental: DTS decoding was broken for every speaker configuration except 5.1. patch by Sergey Vlasov, vsu altlinux org
siretart at users.alioth.debian.org
siretart at users.alioth.debian.org
Sun Jun 30 15:59:56 UTC 2013
The following commit has been merged in the experimental branch:
commit 31d89e1158612481885f4d635edd819cca4792cf
Author: Sergey Vlasov <vsu at altlinux.org>
Date: Wed May 16 10:50:18 2007 +0000
DTS decoding was broken for every speaker configuration except 5.1.
patch by Sergey Vlasov, vsu altlinux org
Originally committed as revision 9036 to svn://svn.ffmpeg.org/ffmpeg/trunk
diff --git a/libavcodec/dtsdec.c b/libavcodec/dtsdec.c
index 1be7c84..cf77a57 100644
--- a/libavcodec/dtsdec.c
+++ b/libavcodec/dtsdec.c
@@ -55,6 +55,7 @@ convert2s16_multi(sample_t *f, int16_t *s16, int flags)
s16[5*i] = s16[5*i+1] = s16[5*i+2] = s16[5*i+3] = 0;
s16[5*i+4] = convert(f[i]);
}
+ break;
case DTS_CHANNEL:
case DTS_STEREO:
case DTS_DOLBY:
@@ -62,6 +63,7 @@ convert2s16_multi(sample_t *f, int16_t *s16, int flags)
s16[2*i] = convert(f[i]);
s16[2*i+1] = convert(f[i+256]);
}
+ break;
case DTS_3F:
for(i = 0; i < 256; i++){
s16[5*i] = convert(f[i+256]);
@@ -69,6 +71,7 @@ convert2s16_multi(sample_t *f, int16_t *s16, int flags)
s16[5*i+2] = s16[5*i+3] = 0;
s16[5*i+4] = convert(f[i]);
}
+ break;
case DTS_2F2R:
for(i = 0; i < 256; i++){
s16[4*i] = convert(f[i]);
@@ -76,6 +79,7 @@ convert2s16_multi(sample_t *f, int16_t *s16, int flags)
s16[4*i+2] = convert(f[i+512]);
s16[4*i+3] = convert(f[i+768]);
}
+ break;
case DTS_3F2R:
for(i = 0; i < 256; i++){
s16[5*i] = convert(f[i+256]);
@@ -84,12 +88,14 @@ convert2s16_multi(sample_t *f, int16_t *s16, int flags)
s16[5*i+3] = convert(f[i+1024]);
s16[5*i+4] = convert(f[i]);
}
+ break;
case DTS_MONO | DTS_LFE:
for(i = 0; i < 256; i++){
s16[6*i] = s16[6*i+1] = s16[6*i+2] = s16[6*i+3] = 0;
s16[6*i+4] = convert(f[i]);
s16[6*i+5] = convert(f[i+256]);
}
+ break;
case DTS_CHANNEL | DTS_LFE:
case DTS_STEREO | DTS_LFE:
case DTS_DOLBY | DTS_LFE:
@@ -99,6 +105,7 @@ convert2s16_multi(sample_t *f, int16_t *s16, int flags)
s16[6*i+2] = s16[6*i+3] = s16[6*i+4] = 0;
s16[6*i+5] = convert(f[i+512]);
}
+ break;
case DTS_3F | DTS_LFE:
for(i = 0; i < 256; i++){
s16[6*i] = convert(f[i+256]);
@@ -107,6 +114,7 @@ convert2s16_multi(sample_t *f, int16_t *s16, int flags)
s16[6*i+4] = convert(f[i]);
s16[6*i+5] = convert(f[i+768]);
}
+ break;
case DTS_2F2R | DTS_LFE:
for(i = 0; i < 256; i++){
s16[6*i] = convert(f[i]);
@@ -116,6 +124,7 @@ convert2s16_multi(sample_t *f, int16_t *s16, int flags)
s16[6*i+4] = 0;
s16[6*i+5] = convert(f[i+1024]);
}
+ break;
case DTS_3F2R | DTS_LFE:
for(i = 0; i < 256; i++){
s16[6*i] = convert(f[i+256]);
@@ -125,6 +134,7 @@ convert2s16_multi(sample_t *f, int16_t *s16, int flags)
s16[6*i+4] = convert(f[i]);
s16[6*i+5] = convert(f[i+1280]);
}
+ break;
}
}
--
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