reading 8bit mem into a 8bit register needs 2 uops on P4, 8bit->32bit with zero exten...

[ffmpeg] / libavcodec / error_resilience.c

diff --git a/libavcodec/error_resilience.c b/libavcodec/error_resilience.c
index 1efc481a59f60df22a5fc0a0562883826693acc0..275683cd4f0e863b1c2b31261bcef23a306a1b40 100644 (file)
--- a/libavcodec/error_resilience.c
+++ b/libavcodec/error_resilience.c
@@ -3,18 +3,20 @@
  *
  * Copyright (c) 2002-2004 Michael Niedermayer <michaelni@gmx.at>
  *
- * This library is free software; you can redistribute it and/or
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
+ * version 2.1 of the License, or (at your option) any later version.
  *
- * This library is distributed in the hope that it will be useful,
+ * FFmpeg is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Lesser General Public License for more details.
  *
  * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
+ * License along with FFmpeg; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
@@ -70,7 +72,7 @@ static void put_dc(MpegEncContext *s, uint8_t *dest_y, uint8_t *dest_cb, uint8_t
     }
 }
 
-static void filter181(uint16_t *data, int width, int height, int stride){
+static void filter181(int16_t *data, int width, int height, int stride){
     int x,y;
 
     /* horizontal filter */
@@ -111,7 +113,7 @@ static void filter181(uint16_t *data, int width, int height, int stride){
  * @param w     width in 8 pixel blocks
  * @param h     height in 8 pixel blocks
  */
-static void guess_dc(MpegEncContext *s, uint16_t *dc, int w, int h, int stride, int is_luma){
+static void guess_dc(MpegEncContext *s, int16_t *dc, int w, int h, int stride, int is_luma){
     int b_x, b_y;
 
     for(b_y=0; b_y<h; b_y++){
@@ -931,7 +933,7 @@ void ff_er_frame_end(MpegEncContext *s){
     for(mb_y=0; mb_y<s->mb_height; mb_y++){
         for(mb_x=0; mb_x<s->mb_width; mb_x++){
             int dc, dcu, dcv, y, n;
-            uint16_t *dc_ptr;
+            int16_t *dc_ptr;
             uint8_t *dest_y, *dest_cb, *dest_cr;
             const int mb_xy= mb_x + mb_y * s->mb_stride;
             const int mb_type= s->current_picture.mb_type[mb_xy];