[FFmpeg-cvslog] r11029 - trunk/libavcodec/vc1.c

[kostya]

Author: kostya
Date: Thu Nov 15 07:25:20 2007
New Revision: 11029

Log:
Use put_signed_pixels_clamped where appropriate

Patch by Christophe GISQUET christophe.gisquet <whirlpool sign> fr(run of two 'e').(copy 2 bytes with offset -5)
Thread: [PATCH] Use signed version when putting and clamping pixels in VC-1


Modified:
   trunk/libavcodec/vc1.c

Modified: trunk/libavcodec/vc1.c
==============================================================================
--- trunk/libavcodec/vc1.c	(original)
+++ trunk/libavcodec/vc1.c	Thu Nov 15 07:25:20 2007
@@ -3093,8 +3093,7 @@ static int vc1_decode_p_mb(VC1Context *v
                     if((i>3) && (s->flags & CODEC_FLAG_GRAY)) continue;
                     s->dsp.vc1_inv_trans_8x8(s->block[i]);
                     if(v->rangeredfrm) for(j = 0; j < 64; j++) s->block[i][j] <<= 1;
-                    for(j = 0; j < 64; j++) s->block[i][j] += 128;
-                    s->dsp.put_pixels_clamped(s->block[i], s->dest[dst_idx] + off, s->linesize >> ((i & 4) >> 2));
+                    s->dsp.put_signed_pixels_clamped(s->block[i], s->dest[dst_idx] + off, s->linesize >> ((i & 4) >> 2));
                     if(v->pq >= 9 && v->overlap) {
                         if(v->c_avail)
                             s->dsp.vc1_h_overlap(s->dest[dst_idx] + off, s->linesize >> ((i & 4) >> 2));
@@ -3196,8 +3195,7 @@ static int vc1_decode_p_mb(VC1Context *v
                     if((i>3) && (s->flags & CODEC_FLAG_GRAY)) continue;
                     s->dsp.vc1_inv_trans_8x8(s->block[i]);
                     if(v->rangeredfrm) for(j = 0; j < 64; j++) s->block[i][j] <<= 1;
-                    for(j = 0; j < 64; j++) s->block[i][j] += 128;
-                    s->dsp.put_pixels_clamped(s->block[i], s->dest[dst_idx] + off, (i&4)?s->uvlinesize:s->linesize);
+                    s->dsp.put_signed_pixels_clamped(s->block[i], s->dest[dst_idx] + off, (i&4)?s->uvlinesize:s->linesize);
                     if(v->pq >= 9 && v->overlap) {
                         if(v->c_avail)
                             s->dsp.vc1_h_overlap(s->dest[dst_idx] + off, s->linesize >> ((i & 4) >> 2));
@@ -3377,8 +3375,7 @@ static void vc1_decode_b_mb(VC1Context *
             if((i>3) && (s->flags & CODEC_FLAG_GRAY)) continue;
             s->dsp.vc1_inv_trans_8x8(s->block[i]);
             if(v->rangeredfrm) for(j = 0; j < 64; j++) s->block[i][j] <<= 1;
-            for(j = 0; j < 64; j++) s->block[i][j] += 128;
-            s->dsp.put_pixels_clamped(s->block[i], s->dest[dst_idx] + off, s->linesize >> ((i & 4) >> 2));
+            s->dsp.put_signed_pixels_clamped(s->block[i], s->dest[dst_idx] + off, s->linesize >> ((i & 4) >> 2));
         } else if(val) {
             vc1_decode_p_block(v, s->block[i], i, mquant, ttmb, first_block);
             if(!v->ttmbf && ttmb < 8) ttmb = -1;