Replace int_fast integer types with their sized standard posix counterparts.

[ffmpeg] / libavcodec / h264idct.c

diff --git a/libavcodec/h264idct.c b/libavcodec/h264idct.c
index 551197d37ee1383b61babb04bdd29775e72881e3..1634a0083501703f5f88142d17de85ded6dfb73a 100644 (file)
--- a/libavcodec/h264idct.c
+++ b/libavcodec/h264idct.c
@@ -2,69 +2,37 @@
  * H.264 IDCT
  * Copyright (c) 2004 Michael Niedermayer <michaelni@gmx.at>
  *
- * This library is free software; you can redistribute it and/or
+ * This file is part of Libav.
+ *
+ * Libav 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,
+ * Libav 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
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
- *
+ * License along with Libav; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
- 
+
 /**
- * @file h264-idct.c
+ * @file
  * H.264 IDCT.
  * @author Michael Niedermayer <michaelni@gmx.at>
  */
- 
-#include "dsputil.h"
-
-static always_inline void idct_internal(uint8_t *dst, DCTELEM *block, int stride, int block_stride, int shift, int add){
-    int i;
-    uint8_t *cm = cropTbl + MAX_NEG_CROP;
-
-    block[0] += 1<<(shift-1);
-
-    for(i=0; i<4; i++){
-        const int z0=  block[0 + block_stride*i]     +  block[2 + block_stride*i];
-        const int z1=  block[0 + block_stride*i]     -  block[2 + block_stride*i];
-        const int z2= (block[1 + block_stride*i]>>1) -  block[3 + block_stride*i];
-        const int z3=  block[1 + block_stride*i]     + (block[3 + block_stride*i]>>1);
-
-        block[0 + block_stride*i]= z0 + z3;
-        block[1 + block_stride*i]= z1 + z2;
-        block[2 + block_stride*i]= z1 - z2;
-        block[3 + block_stride*i]= z0 - z3;
-    }
-
-    for(i=0; i<4; i++){
-        const int z0=  block[i + block_stride*0]     +  block[i + block_stride*2];
-        const int z1=  block[i + block_stride*0]     -  block[i + block_stride*2];
-        const int z2= (block[i + block_stride*1]>>1) -  block[i + block_stride*3];
-        const int z3=  block[i + block_stride*1]     + (block[i + block_stride*3]>>1);
-
-        dst[i + 0*stride]= cm[ add*dst[i + 0*stride] + ((z0 + z3) >> shift) ];
-        dst[i + 1*stride]= cm[ add*dst[i + 1*stride] + ((z1 + z2) >> shift) ];
-        dst[i + 2*stride]= cm[ add*dst[i + 2*stride] + ((z1 - z2) >> shift) ];
-        dst[i + 3*stride]= cm[ add*dst[i + 3*stride] + ((z0 - z3) >> shift) ];
-    }
-}
 
-void ff_h264_idct_add_c(uint8_t *dst, DCTELEM *block, int stride){
-    idct_internal(dst, block, stride, 4, 6, 1);
-}
+#define BIT_DEPTH 8
+#include "h264idct_template.c"
+#undef BIT_DEPTH
 
-void ff_h264_lowres_idct_add_c(uint8_t *dst, int stride, DCTELEM *block){
-    idct_internal(dst, block, stride, 8, 3, 1);
-}
+#define BIT_DEPTH 9
+#include "h264idct_template.c"
+#undef BIT_DEPTH
 
-void ff_h264_lowres_idct_put_c(uint8_t *dst, int stride, DCTELEM *block){
-    idct_internal(dst, block, stride, 8, 3, 0);
-}
+#define BIT_DEPTH 10
+#include "h264idct_template.c"
+#undef BIT_DEPTH