* VC-1 and WMV3 decoder - DSP functions
* Copyright (c) 2006 Konstantin Shishkov
*
- * 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
*/
*
*/
+#include "libavutil/avassert.h"
#include "libavutil/common.h"
#include "h264chroma.h"
+#include "rnd_avg.h"
#include "vc1dsp.h"
/** Function used to do motion compensation with bicubic interpolation
*/
-#define VC1_MSPEL_MC(OP, OPNAME)\
-static av_always_inline void OPNAME ## vc1_mspel_mc(uint8_t *dst, const uint8_t *src, int stride, int hmode, int vmode, int rnd)\
+#define VC1_MSPEL_MC(OP, OP4, OPNAME)\
+static av_always_inline void OPNAME ## vc1_mspel_mc(uint8_t *dst, const uint8_t *src, ptrdiff_t stride, int hmode, int vmode, int rnd)\
{\
int i, j;\
\
dst += stride;\
src += stride;\
}\
+}\
+static void OPNAME ## pixels8x8_c(uint8_t *block, const uint8_t *pixels, ptrdiff_t line_size, int rnd){\
+ int i;\
+ for(i=0; i<8; i++){\
+ OP4(*(uint32_t*)(block ), AV_RN32(pixels ));\
+ OP4(*(uint32_t*)(block+4), AV_RN32(pixels+4));\
+ pixels+=line_size;\
+ block +=line_size;\
+ }\
}
#define op_put(a, b) a = av_clip_uint8(b)
#define op_avg(a, b) a = (a + av_clip_uint8(b) + 1) >> 1
+#define op4_avg(a, b) a = rnd_avg32(a, b)
+#define op4_put(a, b) a = b
-VC1_MSPEL_MC(op_put, put_)
-VC1_MSPEL_MC(op_avg, avg_)
+VC1_MSPEL_MC(op_put, op4_put, put_)
+VC1_MSPEL_MC(op_avg, op4_avg, avg_)
/* pixel functions - really are entry points to vc1_mspel_mc */
const int D=( x)*( y);
int i;
- assert(x<8 && y<8 && x>=0 && y>=0);
+ av_assert2(x<8 && y<8 && x>=0 && y>=0);
for(i=0; i<h; i++)
{
const int D=( x)*( y);
int i;
- assert(x<8 && y<8 && x>=0 && y>=0);
+ av_assert2(x<8 && y<8 && x>=0 && y>=0);
for(i=0; i<h; i++)
{
const int D=( x)*( y);
int i;
- assert(x<8 && y<8 && x>=0 && y>=0);
+ av_assert2(x<8 && y<8 && x>=0 && y>=0);
for(i=0; i<h; i++)
{
}
}
+static void avg_no_rnd_vc1_chroma_mc4_c(uint8_t *dst/*align 8*/, uint8_t *src/*align 1*/, int stride, int h, int x, int y){
+ const int A=(8-x)*(8-y);
+ const int B=( x)*(8-y);
+ const int C=(8-x)*( y);
+ const int D=( x)*( y);
+ int i;
+
+ av_assert2(x<8 && y<8 && x>=0 && y>=0);
+
+ for(i=0; i<h; i++)
+ {
+ dst[0] = avg2(dst[0], ((A*src[0] + B*src[1] + C*src[stride+0] + D*src[stride+1] + 32 - 4) >> 6));
+ dst[1] = avg2(dst[1], ((A*src[1] + B*src[2] + C*src[stride+1] + D*src[stride+2] + 32 - 4) >> 6));
+ dst[2] = avg2(dst[2], ((A*src[2] + B*src[3] + C*src[stride+2] + D*src[stride+3] + 32 - 4) >> 6));
+ dst[3] = avg2(dst[3], ((A*src[3] + B*src[4] + C*src[stride+3] + D*src[stride+4] + 32 - 4) >> 6));
+ dst+= stride;
+ src+= stride;
+ }
+}
+
#if CONFIG_WMV3IMAGE_DECODER || CONFIG_VC1IMAGE_DECODER
static void sprite_h_c(uint8_t *dst, const uint8_t *src, int offset, int advance, int count)
dsp->vc1_v_loop_filter16 = vc1_v_loop_filter16_c;
dsp->vc1_h_loop_filter16 = vc1_h_loop_filter16_c;
- dsp->put_vc1_mspel_pixels_tab[ 0] = ff_put_pixels8x8_c;
+ dsp->put_vc1_mspel_pixels_tab[ 0] = put_pixels8x8_c;
dsp->put_vc1_mspel_pixels_tab[ 1] = put_vc1_mspel_mc10_c;
dsp->put_vc1_mspel_pixels_tab[ 2] = put_vc1_mspel_mc20_c;
dsp->put_vc1_mspel_pixels_tab[ 3] = put_vc1_mspel_mc30_c;
dsp->put_vc1_mspel_pixels_tab[14] = put_vc1_mspel_mc23_c;
dsp->put_vc1_mspel_pixels_tab[15] = put_vc1_mspel_mc33_c;
- dsp->avg_vc1_mspel_pixels_tab[ 0] = ff_avg_pixels8x8_c;
+ dsp->avg_vc1_mspel_pixels_tab[ 0] = avg_pixels8x8_c;
dsp->avg_vc1_mspel_pixels_tab[ 1] = avg_vc1_mspel_mc10_c;
dsp->avg_vc1_mspel_pixels_tab[ 2] = avg_vc1_mspel_mc20_c;
dsp->avg_vc1_mspel_pixels_tab[ 3] = avg_vc1_mspel_mc30_c;
dsp->put_no_rnd_vc1_chroma_pixels_tab[0]= put_no_rnd_vc1_chroma_mc8_c;
dsp->avg_no_rnd_vc1_chroma_pixels_tab[0]= avg_no_rnd_vc1_chroma_mc8_c;
dsp->put_no_rnd_vc1_chroma_pixels_tab[1] = put_no_rnd_vc1_chroma_mc4_c;
+ dsp->avg_no_rnd_vc1_chroma_pixels_tab[1] = avg_no_rnd_vc1_chroma_mc4_c;
#if CONFIG_WMV3IMAGE_DECODER || CONFIG_VC1IMAGE_DECODER
dsp->sprite_h = sprite_h_c;