[Ffmpeg-cvslog] r7873 - trunk/libavcodec/vorbis_enc.c

[michael]

Author: michael
Date: Wed Feb  7 17:59:10 2007
New Revision: 7873

Modified:
   trunk/libavcodec/vorbis_enc.c

Log:
vorbis suffers from the same sign flip issue as wma (so this lame workaround, though it arguably doesnt matter much where the sign is fliped back) 


Modified: trunk/libavcodec/vorbis_enc.c
==============================================================================
--- trunk/libavcodec/vorbis_enc.c	(original)
+++ trunk/libavcodec/vorbis_enc.c	Wed Feb  7 17:59:10 2007
@@ -906,7 +906,7 @@
             float * offset = venc->samples + channel*window_len*2 + window_len;
             j = channel;
             for (i = 0; i < samples; i++, j += venc->channels)
-                offset[i] = audio[j] / 32768. / n * win[window_len - i - 1];
+                offset[i] = -audio[j] / 32768. / n * win[window_len - i - 1]; //FIXME find out why the sign has to be fliped
         }
     } else {
         for (channel = 0; channel < venc->channels; channel++) {
@@ -923,7 +923,7 @@
             float * offset = venc->saved + channel*window_len;
             j = channel;
             for (i = 0; i < samples; i++, j += venc->channels)
-                offset[i] = audio[j] / 32768. / n * win[i];
+                offset[i] = -audio[j] / 32768. / n * win[i]; //FIXME find out why the sign has to be fliped
         }
         venc->have_saved = 1;
     } else {