Merge remote-tracking branch 'qatar/master'

[ffmpeg] / libavcodec / h264idct_template.c

diff --git a/libavcodec/h264idct_template.c b/libavcodec/h264idct_template.c
index c024538db5c27f0f87b90aca7e42b85e6d857cbc..d198c10c5c9c9fae6110778db52230817a2ae665 100644 (file)
--- a/libavcodec/h264idct_template.c
+++ b/libavcodec/h264idct_template.c
@@ -2,20 +2,20 @@
  * H.264 IDCT
  * Copyright (c) 2004-2011 Michael Niedermayer <michaelni@gmx.at>
  *
- * This file is part of Libav.
+ * This file is part of FFmpeg.
  *
- * Libav is free software; you can redistribute it and/or
+ * 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 2.1 of the License, or (at your option) any later version.
  *
- * Libav 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 Libav; 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
  */
 
@@ -46,12 +46,12 @@ static const uint8_t scan8[16*3]={
 };
 #endif
 
-static av_always_inline void FUNCC(idct_internal)(uint8_t *_dst, DCTELEM *_block, int stride, int block_stride, int shift, int add){
+static av_always_inline void FUNCC(idct_internal)(uint8_t *p_dst, DCTELEM *p_block, int stride, int block_stride, int shift, int add){
     int i;
     INIT_CLIP
-    pixel *dst = (pixel*)_dst;
-    dctcoef *block = (dctcoef*)_block;
-    stride /= sizeof(pixel);
+    pixel *dst = (pixel*)p_dst;
+    dctcoef *block = (dctcoef*)p_block;
+    stride >>= sizeof(pixel)-1;
 
     block[0] += 1<<(shift-1);
 
@@ -92,12 +92,12 @@ void FUNCC(ff_h264_lowres_idct_put)(uint8_t *dst, int stride, DCTELEM *block){
     FUNCC(idct_internal)(dst, block, stride, 8, 3, 0);
 }
 
-void FUNCC(ff_h264_idct8_add)(uint8_t *_dst, DCTELEM *_block, int stride){
+void FUNCC(ff_h264_idct8_add)(uint8_t *p_dst, DCTELEM *p_block, int stride){
     int i;
     INIT_CLIP
-    pixel *dst = (pixel*)_dst;
-    dctcoef *block = (dctcoef*)_block;
-    stride /= sizeof(pixel);
+    pixel *dst = (pixel*)p_dst;
+    dctcoef *block = (dctcoef*)p_block;
+    stride >>= sizeof(pixel)-1;
 
     block[0] += 32;
 
@@ -166,12 +166,12 @@ void FUNCC(ff_h264_idct8_add)(uint8_t *_dst, DCTELEM *_block, int stride){
 }
 
 // assumes all AC coefs are 0
-void FUNCC(ff_h264_idct_dc_add)(uint8_t *_dst, DCTELEM *block, int stride){
+void FUNCC(ff_h264_idct_dc_add)(uint8_t *p_dst, DCTELEM *block, int stride){
     int i, j;
     int dc = (((dctcoef*)block)[0] + 32) >> 6;
     INIT_CLIP
-    pixel *dst = (pixel*)_dst;
-    stride /= sizeof(pixel);
+    pixel *dst = (pixel*)p_dst;
+    stride >>= sizeof(pixel)-1;
     for( j = 0; j < 4; j++ )
     {
         for( i = 0; i < 4; i++ )
@@ -180,12 +180,12 @@ void FUNCC(ff_h264_idct_dc_add)(uint8_t *_dst, DCTELEM *block, int stride){
     }
 }
 
-void FUNCC(ff_h264_idct8_dc_add)(uint8_t *_dst, DCTELEM *block, int stride){
+void FUNCC(ff_h264_idct8_dc_add)(uint8_t *p_dst, DCTELEM *block, int stride){
     int i, j;
     int dc = (((dctcoef*)block)[0] + 32) >> 6;
     INIT_CLIP
-    pixel *dst = (pixel*)_dst;
-    stride /= sizeof(pixel);
+    pixel *dst = (pixel*)p_dst;
+    stride >>= sizeof(pixel)-1;
     for( j = 0; j < 8; j++ )
     {
         for( i = 0; i < 8; i++ )
@@ -239,13 +239,13 @@ void FUNCC(ff_h264_idct_add8)(uint8_t **dest, const int *block_offset, DCTELEM *
  * IDCT transforms the 16 dc values and dequantizes them.
  * @param qmul quantization parameter
  */
-void FUNCC(ff_h264_luma_dc_dequant_idct)(DCTELEM *_output, DCTELEM *_input, int qmul){
+void FUNCC(ff_h264_luma_dc_dequant_idct)(DCTELEM *p_output, DCTELEM *p_input, int qmul){
 #define stride 16
     int i;
     int temp[16];
     static const uint8_t x_offset[4]={0, 2*stride, 8*stride, 10*stride};
-    dctcoef *input = (dctcoef*)_input;
-    dctcoef *output = (dctcoef*)_output;
+    dctcoef *input = (dctcoef*)p_input;
+    dctcoef *output = (dctcoef*)p_output;
 
     for(i=0; i<4; i++){
         const int z0= input[4*i+0] + input[4*i+1];
@@ -274,11 +274,11 @@ void FUNCC(ff_h264_luma_dc_dequant_idct)(DCTELEM *_output, DCTELEM *_input, int
 #undef stride
 }
 
-void FUNCC(ff_h264_chroma_dc_dequant_idct)(DCTELEM *_block, int qmul){
+void FUNCC(ff_h264_chroma_dc_dequant_idct)(DCTELEM *p_block, int qmul){
     const int stride= 16*2;
     const int xStride= 16;
     int a,b,c,d,e;
-    dctcoef *block = (dctcoef*)_block;
+    dctcoef *block = (dctcoef*)p_block;
 
     a= block[stride*0 + xStride*0];
     b= block[stride*0 + xStride*1];