[FFmpeg-cvslog] r24558 - trunk/libavcodec/vp8.c

skal subversion
Wed Jul 28 00:23:50 CEST 2010


Author: skal
Date: Wed Jul 28 00:23:50 2010
New Revision: 24558

Log:
perform the clipping on luma_dc_qmul[1] and chroma_qmul[0] earlier

Modified:
   trunk/libavcodec/vp8.c

Modified: trunk/libavcodec/vp8.c
==============================================================================
--- trunk/libavcodec/vp8.c	Wed Jul 28 00:21:49 2010	(r24557)
+++ trunk/libavcodec/vp8.c	Wed Jul 28 00:23:50 2010	(r24558)
@@ -343,12 +343,9 @@ static void get_quants(VP8Context *s)
         s->qmat[i].luma_qmul[0]    =       vp8_dc_qlookup[av_clip(base_qi + ydc_delta , 0, 127)];
         s->qmat[i].luma_qmul[1]    =       vp8_ac_qlookup[av_clip(base_qi             , 0, 127)];
         s->qmat[i].luma_dc_qmul[0] =   2 * vp8_dc_qlookup[av_clip(base_qi + y2dc_delta, 0, 127)];
-        s->qmat[i].luma_dc_qmul[1] = 155 * vp8_ac_qlookup[av_clip(base_qi + y2ac_delta, 0, 127)] / 100;
-        s->qmat[i].chroma_qmul[0]  =       vp8_dc_qlookup[av_clip(base_qi + uvdc_delta, 0, 127)];
+        s->qmat[i].luma_dc_qmul[1] = 155 * vp8_ac_qlookup[av_clip(base_qi + y2ac_delta, 2, 127)] / 100;
+        s->qmat[i].chroma_qmul[0]  =       vp8_dc_qlookup[av_clip(base_qi + uvdc_delta, 0, 117)];
         s->qmat[i].chroma_qmul[1]  =       vp8_ac_qlookup[av_clip(base_qi + uvac_delta, 0, 127)];
-
-        s->qmat[i].luma_dc_qmul[1] = FFMAX(s->qmat[i].luma_dc_qmul[1], 8);
-        s->qmat[i].chroma_qmul[0]  = FFMIN(s->qmat[i].chroma_qmul[0], 132);
     }
 }
 



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