mirror of https://git.ffmpeg.org/ffmpeg.git
250 lines
11 KiB
C
250 lines
11 KiB
C
/*
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* RV30 decoder motion compensation functions
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* Copyright (c) 2007 Konstantin Shishkov
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*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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/**
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* @file rv30dsp.c
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* RV30 decoder motion compensation functions
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*/
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#include "avcodec.h"
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#include "dsputil.h"
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#define RV30_LOWPASS(OPNAME, OP) \
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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){\
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const int h=8;\
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uint8_t *cm = ff_cropTbl + MAX_NEG_CROP;\
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int i;\
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for(i=0; i<h; i++)\
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{\
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OP(dst[0], -(src[-1]+src[2]) + src[0]*C1 + src[1]*C2);\
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OP(dst[1], -(src[ 0]+src[3]) + src[1]*C1 + src[2]*C2);\
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OP(dst[2], -(src[ 1]+src[4]) + src[2]*C1 + src[3]*C2);\
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OP(dst[3], -(src[ 2]+src[5]) + src[3]*C1 + src[4]*C2);\
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OP(dst[4], -(src[ 3]+src[6]) + src[4]*C1 + src[5]*C2);\
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OP(dst[5], -(src[ 4]+src[7]) + src[5]*C1 + src[6]*C2);\
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OP(dst[6], -(src[ 5]+src[8]) + src[6]*C1 + src[7]*C2);\
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OP(dst[7], -(src[ 6]+src[9]) + src[7]*C1 + src[8]*C2);\
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dst+=dstStride;\
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src+=srcStride;\
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}\
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}\
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\
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static void OPNAME ## rv30_tpel8_v_lowpass(uint8_t *dst, uint8_t *src, int dstStride, int srcStride, const int C1, const int C2){\
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const int w=8;\
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uint8_t *cm = ff_cropTbl + MAX_NEG_CROP;\
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int i;\
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for(i=0; i<w; i++)\
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{\
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const int srcA= src[-1*srcStride];\
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const int src0= src[0 *srcStride];\
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const int src1= src[1 *srcStride];\
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const int src2= src[2 *srcStride];\
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const int src3= src[3 *srcStride];\
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const int src4= src[4 *srcStride];\
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const int src5= src[5 *srcStride];\
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const int src6= src[6 *srcStride];\
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const int src7= src[7 *srcStride];\
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const int src8= src[8 *srcStride];\
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const int src9= src[9 *srcStride];\
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OP(dst[0*dstStride], -(srcA+src2) + src0*C1 + src1*C2);\
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OP(dst[1*dstStride], -(src0+src3) + src1*C1 + src2*C2);\
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OP(dst[2*dstStride], -(src1+src4) + src2*C1 + src3*C2);\
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OP(dst[3*dstStride], -(src2+src5) + src3*C1 + src4*C2);\
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OP(dst[4*dstStride], -(src3+src6) + src4*C1 + src5*C2);\
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OP(dst[5*dstStride], -(src4+src7) + src5*C1 + src6*C2);\
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OP(dst[6*dstStride], -(src5+src8) + src6*C1 + src7*C2);\
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OP(dst[7*dstStride], -(src6+src9) + src7*C1 + src8*C2);\
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dst++;\
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src++;\
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}\
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}\
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\
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static void OPNAME ## rv30_tpel8_h3_lowpass(uint8_t *dst, uint8_t *src, int dstStride, int srcStride){\
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const int h=8+2;\
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uint8_t *cm = ff_cropTbl + MAX_NEG_CROP;\
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int i;\
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for(i=0; i<h; i++)\
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{\
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OP(dst[0], 6*src[0]+9*src[1]+src[2]);\
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OP(dst[1], 6*src[1]+9*src[2]+src[3]);\
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OP(dst[2], 6*src[2]+9*src[3]+src[4]);\
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OP(dst[3], 6*src[3]+9*src[4]+src[5]);\
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OP(dst[4], 6*src[4]+9*src[5]+src[6]);\
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OP(dst[5], 6*src[5]+9*src[6]+src[7]);\
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OP(dst[6], 6*src[6]+9*src[7]+src[8]);\
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OP(dst[7], 6*src[7]+9*src[8]+src[9]);\
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dst+=dstStride;\
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src+=srcStride;\
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}\
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}\
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\
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static void OPNAME ## rv30_tpel8_v3_lowpass(uint8_t *dst, uint8_t *src, int dstStride, int srcStride){\
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const int w=8;\
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uint8_t *cm = ff_cropTbl + MAX_NEG_CROP;\
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int i;\
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for(i=0; i<w; i++)\
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{\
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const int src0= src[0 *srcStride];\
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const int src1= src[1 *srcStride];\
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const int src2= src[2 *srcStride];\
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const int src3= src[3 *srcStride];\
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const int src4= src[4 *srcStride];\
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const int src5= src[5 *srcStride];\
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const int src6= src[6 *srcStride];\
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const int src7= src[7 *srcStride];\
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const int src8= src[8 *srcStride];\
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const int src9= src[9 *srcStride];\
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OP(dst[0*dstStride], 6*src0 + 9*src1 + src2);\
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OP(dst[1*dstStride], 6*src1 + 9*src2 + src3);\
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OP(dst[2*dstStride], 6*src2 + 9*src3 + src4);\
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OP(dst[3*dstStride], 6*src3 + 9*src4 + src5);\
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OP(dst[4*dstStride], 6*src4 + 9*src5 + src6);\
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OP(dst[5*dstStride], 6*src5 + 9*src6 + src7);\
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OP(dst[6*dstStride], 6*src6 + 9*src7 + src8);\
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OP(dst[7*dstStride], 6*src7 + 9*src8 + src9);\
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dst ++;\
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src ++;\
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}\
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}\
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\
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static void OPNAME ## rv30_tpel8_hv_lowpass(uint8_t *dst, uint8_t *src, int dstStride, int srcStride){\
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uint8_t half[8*10];\
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put_rv30_tpel8_h3_lowpass(half, src, 8, srcStride);\
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OPNAME ## rv30_tpel8_v3_lowpass(dst, half, dstStride, 8);\
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}\
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\
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static void OPNAME ## rv30_tpel16_v_lowpass(uint8_t *dst, uint8_t *src, int dstStride, int srcStride, const int C1, const int C2){\
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OPNAME ## rv30_tpel8_v_lowpass(dst , src , dstStride, srcStride, C1, C2);\
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OPNAME ## rv30_tpel8_v_lowpass(dst+8, src+8, dstStride, srcStride, C1, C2);\
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src += 8*srcStride;\
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dst += 8*dstStride;\
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OPNAME ## rv30_tpel8_v_lowpass(dst , src , dstStride, srcStride, C1, C2);\
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OPNAME ## rv30_tpel8_v_lowpass(dst+8, src+8, dstStride, srcStride, C1, C2);\
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}\
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\
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static void OPNAME ## rv30_tpel16_h_lowpass(uint8_t *dst, uint8_t *src, int dstStride, int srcStride, const int C1, const int C2){\
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OPNAME ## rv30_tpel8_h_lowpass(dst , src , dstStride, srcStride, C1, C2);\
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OPNAME ## rv30_tpel8_h_lowpass(dst+8, src+8, dstStride, srcStride, C1, C2);\
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src += 8*srcStride;\
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dst += 8*dstStride;\
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OPNAME ## rv30_tpel8_h_lowpass(dst , src , dstStride, srcStride, C1, C2);\
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OPNAME ## rv30_tpel8_h_lowpass(dst+8, src+8, dstStride, srcStride, C1, C2);\
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}\
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\
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static void OPNAME ## rv30_tpel16_hv_lowpass(uint8_t *dst, uint8_t *src, int dstStride, int srcStride){\
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OPNAME ## rv30_tpel8_hv_lowpass(dst , src , dstStride, srcStride);\
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OPNAME ## rv30_tpel8_hv_lowpass(dst+8, src+8, dstStride, srcStride);\
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src += 8*srcStride;\
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dst += 8*dstStride;\
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OPNAME ## rv30_tpel8_hv_lowpass(dst , src , dstStride, srcStride);\
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OPNAME ## rv30_tpel8_hv_lowpass(dst+8, src+8, dstStride, srcStride);\
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}\
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\
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#define RV30_MC(OPNAME, SIZE) \
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static void OPNAME ## rv30_tpel ## SIZE ## _mc10_c(uint8_t *dst, uint8_t *src, int stride){\
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OPNAME ## rv30_tpel ## SIZE ## _h_lowpass(dst, src, stride, stride, 12, 6);\
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}\
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\
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static void OPNAME ## rv30_tpel ## SIZE ## _mc20_c(uint8_t *dst, uint8_t *src, int stride){\
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OPNAME ## rv30_tpel ## SIZE ## _h_lowpass(dst, src, stride, stride, 6, 12);\
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}\
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\
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static void OPNAME ## rv30_tpel ## SIZE ## _mc01_c(uint8_t *dst, uint8_t *src, int stride){\
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OPNAME ## rv30_tpel ## SIZE ## _v_lowpass(dst, src, stride, stride, 12, 6);\
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}\
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\
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static void OPNAME ## rv30_tpel ## SIZE ## _mc02_c(uint8_t *dst, uint8_t *src, int stride){\
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OPNAME ## rv30_tpel ## SIZE ## _v_lowpass(dst, src, stride, stride, 6, 12);\
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}\
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\
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static void OPNAME ## rv30_tpel ## SIZE ## _mc11_c(uint8_t *dst, uint8_t *src, int stride){\
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uint8_t half[SIZE*SIZE];\
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put_rv30_tpel ## SIZE ## _h_lowpass(half, src, SIZE, stride, 12, 6);\
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OPNAME ## rv30_tpel ## SIZE ## _v_lowpass(dst, src, stride, stride, 12, 6);\
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}\
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\
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static void OPNAME ## rv30_tpel ## SIZE ## _mc12_c(uint8_t *dst, uint8_t *src, int stride){\
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uint8_t half[SIZE*SIZE];\
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put_rv30_tpel ## SIZE ## _h_lowpass(half, src, SIZE, stride, 12, 6);\
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OPNAME ## rv30_tpel ## SIZE ## _v_lowpass(dst, src, stride, stride, 6, 12);\
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}\
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\
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static void OPNAME ## rv30_tpel ## SIZE ## _mc21_c(uint8_t *dst, uint8_t *src, int stride){\
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uint8_t half[SIZE*SIZE];\
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put_rv30_tpel ## SIZE ## _h_lowpass(half, src, SIZE, stride, 6, 12);\
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OPNAME ## rv30_tpel ## SIZE ## _v_lowpass(dst, src, stride, stride, 12, 6);\
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}\
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\
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static void OPNAME ## rv30_tpel ## SIZE ## _mc22_c(uint8_t *dst, uint8_t *src, int stride){\
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OPNAME ## rv30_tpel ## SIZE ## _hv_lowpass(dst, src, stride, stride);\
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}\
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\
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#define op_avg(a, b) a = (((a)+cm[((b) + 8)>>4]+1)>>1)
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#define op_put(a, b) a = cm[((b) + 8)>>4]
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RV30_LOWPASS(put_ , op_put)
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RV30_LOWPASS(avg_ , op_avg)
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RV30_MC(put_, 8)
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RV30_MC(put_, 16)
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RV30_MC(avg_, 8)
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RV30_MC(avg_, 16)
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void ff_rv30dsp_init(DSPContext* c, AVCodecContext *avctx) {
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c->put_rv30_tpel_pixels_tab[0][ 0] = c->put_h264_qpel_pixels_tab[0][0];
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c->put_rv30_tpel_pixels_tab[0][ 1] = put_rv30_tpel16_mc10_c;
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c->put_rv30_tpel_pixels_tab[0][ 2] = put_rv30_tpel16_mc20_c;
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c->put_rv30_tpel_pixels_tab[0][ 4] = put_rv30_tpel16_mc01_c;
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c->put_rv30_tpel_pixels_tab[0][ 5] = put_rv30_tpel16_mc11_c;
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c->put_rv30_tpel_pixels_tab[0][ 6] = put_rv30_tpel16_mc21_c;
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c->put_rv30_tpel_pixels_tab[0][ 8] = put_rv30_tpel16_mc02_c;
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c->put_rv30_tpel_pixels_tab[0][ 9] = put_rv30_tpel16_mc12_c;
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c->put_rv30_tpel_pixels_tab[0][10] = put_rv30_tpel16_mc22_c;
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c->avg_rv30_tpel_pixels_tab[0][ 0] = c->avg_h264_qpel_pixels_tab[0][0];
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c->avg_rv30_tpel_pixels_tab[0][ 1] = avg_rv30_tpel16_mc10_c;
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c->avg_rv30_tpel_pixels_tab[0][ 2] = avg_rv30_tpel16_mc20_c;
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c->avg_rv30_tpel_pixels_tab[0][ 4] = avg_rv30_tpel16_mc01_c;
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c->avg_rv30_tpel_pixels_tab[0][ 5] = avg_rv30_tpel16_mc11_c;
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c->avg_rv30_tpel_pixels_tab[0][ 6] = avg_rv30_tpel16_mc21_c;
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c->avg_rv30_tpel_pixels_tab[0][ 8] = avg_rv30_tpel16_mc02_c;
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c->avg_rv30_tpel_pixels_tab[0][ 9] = avg_rv30_tpel16_mc12_c;
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c->avg_rv30_tpel_pixels_tab[0][10] = avg_rv30_tpel16_mc22_c;
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c->put_rv30_tpel_pixels_tab[1][ 0] = c->put_h264_qpel_pixels_tab[1][0];
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c->put_rv30_tpel_pixels_tab[1][ 1] = put_rv30_tpel8_mc10_c;
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c->put_rv30_tpel_pixels_tab[1][ 2] = put_rv30_tpel8_mc20_c;
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c->put_rv30_tpel_pixels_tab[1][ 4] = put_rv30_tpel8_mc01_c;
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c->put_rv30_tpel_pixels_tab[1][ 5] = put_rv30_tpel8_mc11_c;
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c->put_rv30_tpel_pixels_tab[1][ 6] = put_rv30_tpel8_mc21_c;
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c->put_rv30_tpel_pixels_tab[1][ 8] = put_rv30_tpel8_mc02_c;
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c->put_rv30_tpel_pixels_tab[1][ 9] = put_rv30_tpel8_mc12_c;
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c->put_rv30_tpel_pixels_tab[1][10] = put_rv30_tpel8_mc22_c;
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c->avg_rv30_tpel_pixels_tab[1][ 0] = c->avg_h264_qpel_pixels_tab[1][0];
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c->avg_rv30_tpel_pixels_tab[1][ 1] = avg_rv30_tpel8_mc10_c;
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c->avg_rv30_tpel_pixels_tab[1][ 2] = avg_rv30_tpel8_mc20_c;
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c->avg_rv30_tpel_pixels_tab[1][ 4] = avg_rv30_tpel8_mc01_c;
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c->avg_rv30_tpel_pixels_tab[1][ 5] = avg_rv30_tpel8_mc11_c;
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c->avg_rv30_tpel_pixels_tab[1][ 6] = avg_rv30_tpel8_mc21_c;
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c->avg_rv30_tpel_pixels_tab[1][ 8] = avg_rv30_tpel8_mc02_c;
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c->avg_rv30_tpel_pixels_tab[1][ 9] = avg_rv30_tpel8_mc12_c;
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c->avg_rv30_tpel_pixels_tab[1][10] = avg_rv30_tpel8_mc22_c;
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}
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