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rv30dsp.c
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/*
* RV30 decoder motion compensation functions
* Copyright (c) 2007 Konstantin Shishkov
*
* 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 2.1 of the License, or (at your option) any later version.
*
* 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 FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
/**
* @file
* RV30 decoder motion compensation functions
*/
#include "avcodec.h"
#include "h264chroma.h"
#include "h264qpel.h"
#include "rv34dsp.h"
#define RV30_LOWPASS(OPNAME, OP) \
static av_unused void OPNAME ## rv30_tpel8_h_lowpass(uint8_t *dst, uint8_t *src, int dstStride, int srcStride, const int C1, const int C2){\
const int h = 8;\
const uint8_t *cm = ff_cropTbl + MAX_NEG_CROP;\
int i;\
for(i = 0; i < h; i++)\
{\
OP(dst[0], (-(src[-1]+src[2]) + src[0]*C1 + src[1]*C2 + 8)>>4);\
OP(dst[1], (-(src[ 0]+src[3]) + src[1]*C1 + src[2]*C2 + 8)>>4);\
OP(dst[2], (-(src[ 1]+src[4]) + src[2]*C1 + src[3]*C2 + 8)>>4);\
OP(dst[3], (-(src[ 2]+src[5]) + src[3]*C1 + src[4]*C2 + 8)>>4);\
OP(dst[4], (-(src[ 3]+src[6]) + src[4]*C1 + src[5]*C2 + 8)>>4);\
OP(dst[5], (-(src[ 4]+src[7]) + src[5]*C1 + src[6]*C2 + 8)>>4);\
OP(dst[6], (-(src[ 5]+src[8]) + src[6]*C1 + src[7]*C2 + 8)>>4);\
OP(dst[7], (-(src[ 6]+src[9]) + src[7]*C1 + src[8]*C2 + 8)>>4);\
dst += dstStride;\
src += srcStride;\
}\
}\
\
static void OPNAME ## rv30_tpel8_v_lowpass(uint8_t *dst, uint8_t *src, int dstStride, int srcStride, const int C1, const int C2){\
const int w = 8;\
const uint8_t *cm = ff_cropTbl + MAX_NEG_CROP;\
int i;\
for(i = 0; i < w; i++)\
{\
const int srcA = src[-1*srcStride];\
const int src0 = src[0 *srcStride];\
const int src1 = src[1 *srcStride];\
const int src2 = src[2 *srcStride];\
const int src3 = src[3 *srcStride];\
const int src4 = src[4 *srcStride];\
const int src5 = src[5 *srcStride];\
const int src6 = src[6 *srcStride];\
const int src7 = src[7 *srcStride];\
const int src8 = src[8 *srcStride];\
const int src9 = src[9 *srcStride];\
OP(dst[0*dstStride], (-(srcA+src2) + src0*C1 + src1*C2 + 8)>>4);\
OP(dst[1*dstStride], (-(src0+src3) + src1*C1 + src2*C2 + 8)>>4);\
OP(dst[2*dstStride], (-(src1+src4) + src2*C1 + src3*C2 + 8)>>4);\
OP(dst[3*dstStride], (-(src2+src5) + src3*C1 + src4*C2 + 8)>>4);\
OP(dst[4*dstStride], (-(src3+src6) + src4*C1 + src5*C2 + 8)>>4);\
OP(dst[5*dstStride], (-(src4+src7) + src5*C1 + src6*C2 + 8)>>4);\
OP(dst[6*dstStride], (-(src5+src8) + src6*C1 + src7*C2 + 8)>>4);\
OP(dst[7*dstStride], (-(src6+src9) + src7*C1 + src8*C2 + 8)>>4);\
dst++;\
src++;\
}\
}\
\
static void OPNAME ## rv30_tpel8_hv_lowpass(uint8_t *dst, uint8_t *src, int dstStride, int srcStride){\
const int w = 8;\
const int h = 8;\
const uint8_t *cm = ff_cropTbl + MAX_NEG_CROP;\
int i, j;\
for(j = 0; j < h; j++){\
for(i = 0; i < w; i++){\
OP(dst[i], (\
src[srcStride*-1+i-1] -12*src[srcStride*-1+i] -6*src[srcStride*-1+i+1] +src[srcStride*-1+i+2]+\
-12*src[srcStride* 0+i-1] +144*src[srcStride* 0+i] +72*src[srcStride* 0+i+1] -12*src[srcStride* 0+i+2] +\
-6*src[srcStride* 1+i-1] +72*src[srcStride* 1+i] +36*src[srcStride* 1+i+1] -6*src[srcStride* 1+i+2] +\
src[srcStride* 2+i-1] -12*src[srcStride* 2+i] -6*src[srcStride* 2+i+1] +src[srcStride* 2+i+2] +\
128)>>8);\
}\
src += srcStride;\
dst += dstStride;\
}\
}\
\
static void OPNAME ## rv30_tpel8_hhv_lowpass(uint8_t *dst, uint8_t *src, int dstStride, int srcStride){\
const int w = 8;\
const int h = 8;\
const uint8_t *cm = ff_cropTbl + MAX_NEG_CROP;\
int i, j;\
for(j = 0; j < h; j++){\
for(i = 0; i < w; i++){\
OP(dst[i], (\
src[srcStride*-1+i-1] -12*src[srcStride*-1+i+1] -6*src[srcStride*-1+i] +src[srcStride*-1+i+2]+\
-12*src[srcStride* 0+i-1] +144*src[srcStride* 0+i+1] +72*src[srcStride* 0+i] -12*src[srcStride* 0+i+2]+\
-6*src[srcStride* 1+i-1] +72*src[srcStride* 1+i+1] +36*src[srcStride* 1+i] -6*src[srcStride* 1+i+2]+\
src[srcStride* 2+i-1] -12*src[srcStride* 2+i+1] -6*src[srcStride* 2+i] +src[srcStride* 2+i+2]+\
128)>>8);\
}\
src += srcStride;\
dst += dstStride;\
}\
}\
\
static void OPNAME ## rv30_tpel8_hvv_lowpass(uint8_t *dst, uint8_t *src, int dstStride, int srcStride){\
const int w = 8;\
const int h = 8;\
const uint8_t *cm = ff_cropTbl + MAX_NEG_CROP;\
int i, j;\
for(j = 0; j < h; j++){\
for(i = 0; i < w; i++){\
OP(dst[i], (\
src[srcStride*-1+i-1] -12*src[srcStride*-1+i] -6*src[srcStride*-1+i+1] +src[srcStride*-1+i+2]+\
-6*src[srcStride* 0+i-1] +72*src[srcStride* 0+i] +36*src[srcStride* 0+i+1] -6*src[srcStride* 0+i+2]+\
-12*src[srcStride* 1+i-1] +144*src[srcStride* 1+i] +72*src[srcStride* 1+i+1] -12*src[srcStride* 1+i+2]+\
src[srcStride* 2+i-1] -12*src[srcStride* 2+i] -6*src[srcStride* 2+i+1] +src[srcStride* 2+i+2]+\
128)>>8);\
}\
src += srcStride;\
dst += dstStride;\
}\
}\
\
static void OPNAME ## rv30_tpel8_hhvv_lowpass(uint8_t *dst, uint8_t *src, int dstStride, int srcStride){\
const int w = 8;\
const int h = 8;\
const uint8_t *cm = ff_cropTbl + MAX_NEG_CROP;\
int i, j;\
for(j = 0; j < h; j++){\
for(i = 0; i < w; i++){\
OP(dst[i], (\
36*src[i+srcStride*0] +54*src[i+1+srcStride*0] +6*src[i+2+srcStride*0]+\
54*src[i+srcStride*1] +81*src[i+1+srcStride*1] +9*src[i+2+srcStride*1]+\
6*src[i+srcStride*2] + 9*src[i+1+srcStride*2] + src[i+2+srcStride*2]+\
128)>>8);\
}\
src += srcStride;\
dst += dstStride;\
}\
}\
\
static void OPNAME ## rv30_tpel16_v_lowpass(uint8_t *dst, uint8_t *src, int dstStride, int srcStride, const int C1, const int C2){\
OPNAME ## rv30_tpel8_v_lowpass(dst , src , dstStride, srcStride, C1, C2);\
OPNAME ## rv30_tpel8_v_lowpass(dst+8, src+8, dstStride, srcStride, C1, C2);\
src += 8*srcStride;\
dst += 8*dstStride;\
OPNAME ## rv30_tpel8_v_lowpass(dst , src , dstStride, srcStride, C1, C2);\
OPNAME ## rv30_tpel8_v_lowpass(dst+8, src+8, dstStride, srcStride, C1, C2);\
}\
\
static void OPNAME ## rv30_tpel16_h_lowpass(uint8_t *dst, uint8_t *src, int dstStride, int srcStride, const int C1, const int C2){\
OPNAME ## rv30_tpel8_h_lowpass(dst , src , dstStride, srcStride, C1, C2);\
OPNAME ## rv30_tpel8_h_lowpass(dst+8, src+8, dstStride, srcStride, C1, C2);\
src += 8*srcStride;\
dst += 8*dstStride;\
OPNAME ## rv30_tpel8_h_lowpass(dst , src , dstStride, srcStride, C1, C2);\
OPNAME ## rv30_tpel8_h_lowpass(dst+8, src+8, dstStride, srcStride, C1, C2);\
}\
\
static void OPNAME ## rv30_tpel16_hv_lowpass(uint8_t *dst, uint8_t *src, int dstStride, int srcStride){\
OPNAME ## rv30_tpel8_hv_lowpass(dst , src , dstStride, srcStride);\
OPNAME ## rv30_tpel8_hv_lowpass(dst+8, src+8, dstStride, srcStride);\
src += 8*srcStride;\
dst += 8*dstStride;\
OPNAME ## rv30_tpel8_hv_lowpass(dst , src , dstStride, srcStride);\
OPNAME ## rv30_tpel8_hv_lowpass(dst+8, src+8, dstStride, srcStride);\
}\
\
static void OPNAME ## rv30_tpel16_hhv_lowpass(uint8_t *dst, uint8_t *src, int dstStride, int srcStride){\
OPNAME ## rv30_tpel8_hhv_lowpass(dst , src , dstStride, srcStride);\
OPNAME ## rv30_tpel8_hhv_lowpass(dst+8, src+8, dstStride, srcStride);\
src += 8*srcStride;\
dst += 8*dstStride;\
OPNAME ## rv30_tpel8_hhv_lowpass(dst , src , dstStride, srcStride);\
OPNAME ## rv30_tpel8_hhv_lowpass(dst+8, src+8, dstStride, srcStride);\
}\
\
static void OPNAME ## rv30_tpel16_hvv_lowpass(uint8_t *dst, uint8_t *src, int dstStride, int srcStride){\
OPNAME ## rv30_tpel8_hvv_lowpass(dst , src , dstStride, srcStride);\
OPNAME ## rv30_tpel8_hvv_lowpass(dst+8, src+8, dstStride, srcStride);\
src += 8*srcStride;\
dst += 8*dstStride;\
OPNAME ## rv30_tpel8_hvv_lowpass(dst , src , dstStride, srcStride);\
OPNAME ## rv30_tpel8_hvv_lowpass(dst+8, src+8, dstStride, srcStride);\
}\
\
static void OPNAME ## rv30_tpel16_hhvv_lowpass(uint8_t *dst, uint8_t *src, int dstStride, int srcStride){\
OPNAME ## rv30_tpel8_hhvv_lowpass(dst , src , dstStride, srcStride);\
OPNAME ## rv30_tpel8_hhvv_lowpass(dst+8, src+8, dstStride, srcStride);\
src += 8*srcStride;\
dst += 8*dstStride;\
OPNAME ## rv30_tpel8_hhvv_lowpass(dst , src , dstStride, srcStride);\
OPNAME ## rv30_tpel8_hhvv_lowpass(dst+8, src+8, dstStride, srcStride);\
}\
\
#define RV30_MC(OPNAME, SIZE) \
static void OPNAME ## rv30_tpel ## SIZE ## _mc10_c(uint8_t *dst, uint8_t *src, ptrdiff_t stride)\
{\
OPNAME ## rv30_tpel ## SIZE ## _h_lowpass(dst, src, stride, stride, 12, 6);\
}\
\
static void OPNAME ## rv30_tpel ## SIZE ## _mc20_c(uint8_t *dst, uint8_t *src, ptrdiff_t stride)\
{\
OPNAME ## rv30_tpel ## SIZE ## _h_lowpass(dst, src, stride, stride, 6, 12);\
}\
\
static void OPNAME ## rv30_tpel ## SIZE ## _mc01_c(uint8_t *dst, uint8_t *src, ptrdiff_t stride)\
{\
OPNAME ## rv30_tpel ## SIZE ## _v_lowpass(dst, src, stride, stride, 12, 6);\
}\
\
static void OPNAME ## rv30_tpel ## SIZE ## _mc02_c(uint8_t *dst, uint8_t *src, ptrdiff_t stride)\
{\
OPNAME ## rv30_tpel ## SIZE ## _v_lowpass(dst, src, stride, stride, 6, 12);\
}\
\
static void OPNAME ## rv30_tpel ## SIZE ## _mc11_c(uint8_t *dst, uint8_t *src, ptrdiff_t stride)\
{\
OPNAME ## rv30_tpel ## SIZE ## _hv_lowpass(dst, src, stride, stride);\
}\
\
static void OPNAME ## rv30_tpel ## SIZE ## _mc12_c(uint8_t *dst, uint8_t *src, ptrdiff_t stride)\
{\
OPNAME ## rv30_tpel ## SIZE ## _hvv_lowpass(dst, src, stride, stride);\
}\
\
static void OPNAME ## rv30_tpel ## SIZE ## _mc21_c(uint8_t *dst, uint8_t *src, ptrdiff_t stride)\
{\
OPNAME ## rv30_tpel ## SIZE ## _hhv_lowpass(dst, src, stride, stride);\
}\
\
static void OPNAME ## rv30_tpel ## SIZE ## _mc22_c(uint8_t *dst, uint8_t *src, ptrdiff_t stride)\
{\
OPNAME ## rv30_tpel ## SIZE ## _hhvv_lowpass(dst, src, stride, stride);\
}\
\
#define op_avg(a, b) a = (((a)+cm[b]+1)>>1)
#define op_put(a, b) a = cm[b]
RV30_LOWPASS(put_ , op_put)
RV30_LOWPASS(avg_ , op_avg)
RV30_MC(put_, 8)
RV30_MC(put_, 16)
RV30_MC(avg_, 8)
RV30_MC(avg_, 16)
av_cold void ff_rv30dsp_init(RV34DSPContext *c)
{
H264ChromaContext h264chroma;
H264QpelContext qpel;
ff_rv34dsp_init(c);
ff_h264chroma_init(&h264chroma, 8);
ff_h264qpel_init(&qpel, 8);
c->put_pixels_tab[0][ 0] = qpel.put_h264_qpel_pixels_tab[0][0];
c->put_pixels_tab[0][ 1] = put_rv30_tpel16_mc10_c;
c->put_pixels_tab[0][ 2] = put_rv30_tpel16_mc20_c;
c->put_pixels_tab[0][ 4] = put_rv30_tpel16_mc01_c;
c->put_pixels_tab[0][ 5] = put_rv30_tpel16_mc11_c;
c->put_pixels_tab[0][ 6] = put_rv30_tpel16_mc21_c;
c->put_pixels_tab[0][ 8] = put_rv30_tpel16_mc02_c;
c->put_pixels_tab[0][ 9] = put_rv30_tpel16_mc12_c;
c->put_pixels_tab[0][10] = put_rv30_tpel16_mc22_c;
c->avg_pixels_tab[0][ 0] = qpel.avg_h264_qpel_pixels_tab[0][0];
c->avg_pixels_tab[0][ 1] = avg_rv30_tpel16_mc10_c;
c->avg_pixels_tab[0][ 2] = avg_rv30_tpel16_mc20_c;
c->avg_pixels_tab[0][ 4] = avg_rv30_tpel16_mc01_c;
c->avg_pixels_tab[0][ 5] = avg_rv30_tpel16_mc11_c;
c->avg_pixels_tab[0][ 6] = avg_rv30_tpel16_mc21_c;
c->avg_pixels_tab[0][ 8] = avg_rv30_tpel16_mc02_c;
c->avg_pixels_tab[0][ 9] = avg_rv30_tpel16_mc12_c;
c->avg_pixels_tab[0][10] = avg_rv30_tpel16_mc22_c;
c->put_pixels_tab[1][ 0] = qpel.put_h264_qpel_pixels_tab[1][0];
c->put_pixels_tab[1][ 1] = put_rv30_tpel8_mc10_c;
c->put_pixels_tab[1][ 2] = put_rv30_tpel8_mc20_c;
c->put_pixels_tab[1][ 4] = put_rv30_tpel8_mc01_c;
c->put_pixels_tab[1][ 5] = put_rv30_tpel8_mc11_c;
c->put_pixels_tab[1][ 6] = put_rv30_tpel8_mc21_c;
c->put_pixels_tab[1][ 8] = put_rv30_tpel8_mc02_c;
c->put_pixels_tab[1][ 9] = put_rv30_tpel8_mc12_c;
c->put_pixels_tab[1][10] = put_rv30_tpel8_mc22_c;
c->avg_pixels_tab[1][ 0] = qpel.avg_h264_qpel_pixels_tab[1][0];
c->avg_pixels_tab[1][ 1] = avg_rv30_tpel8_mc10_c;
c->avg_pixels_tab[1][ 2] = avg_rv30_tpel8_mc20_c;
c->avg_pixels_tab[1][ 4] = avg_rv30_tpel8_mc01_c;
c->avg_pixels_tab[1][ 5] = avg_rv30_tpel8_mc11_c;
c->avg_pixels_tab[1][ 6] = avg_rv30_tpel8_mc21_c;
c->avg_pixels_tab[1][ 8] = avg_rv30_tpel8_mc02_c;
c->avg_pixels_tab[1][ 9] = avg_rv30_tpel8_mc12_c;
c->avg_pixels_tab[1][10] = avg_rv30_tpel8_mc22_c;
c->put_chroma_pixels_tab[0] = h264chroma.put_h264_chroma_pixels_tab[0];
c->put_chroma_pixels_tab[1] = h264chroma.put_h264_chroma_pixels_tab[1];
c->avg_chroma_pixels_tab[0] = h264chroma.avg_h264_chroma_pixels_tab[0];
c->avg_chroma_pixels_tab[1] = h264chroma.avg_h264_chroma_pixels_tab[1];
}