| /* |
| * RV40 decoder motion compensation functions |
| * Copyright (c) 2008 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 |
| * RV40 decoder motion compensation functions |
| */ |
| |
| #include "libavutil/common.h" |
| #include "libavutil/intreadwrite.h" |
| #include "avcodec.h" |
| #include "h264qpel.h" |
| #include "mathops.h" |
| #include "pixels.h" |
| #include "rnd_avg.h" |
| #include "rv34dsp.h" |
| #include "libavutil/avassert.h" |
| |
| #define RV40_LOWPASS(OPNAME, OP) \ |
| static void OPNAME ## rv40_qpel8_h_lowpass(uint8_t *dst, const uint8_t *src, int dstStride, int srcStride,\ |
| const int h, const int C1, const int C2, const int SHIFT){\ |
| const uint8_t *cm = ff_crop_tab + MAX_NEG_CROP;\ |
| int i;\ |
| for(i = 0; i < h; i++)\ |
| {\ |
| OP(dst[0], (src[-2] + src[ 3] - 5*(src[-1]+src[2]) + src[0]*C1 + src[1]*C2 + (1<<(SHIFT-1))) >> SHIFT);\ |
| OP(dst[1], (src[-1] + src[ 4] - 5*(src[ 0]+src[3]) + src[1]*C1 + src[2]*C2 + (1<<(SHIFT-1))) >> SHIFT);\ |
| OP(dst[2], (src[ 0] + src[ 5] - 5*(src[ 1]+src[4]) + src[2]*C1 + src[3]*C2 + (1<<(SHIFT-1))) >> SHIFT);\ |
| OP(dst[3], (src[ 1] + src[ 6] - 5*(src[ 2]+src[5]) + src[3]*C1 + src[4]*C2 + (1<<(SHIFT-1))) >> SHIFT);\ |
| OP(dst[4], (src[ 2] + src[ 7] - 5*(src[ 3]+src[6]) + src[4]*C1 + src[5]*C2 + (1<<(SHIFT-1))) >> SHIFT);\ |
| OP(dst[5], (src[ 3] + src[ 8] - 5*(src[ 4]+src[7]) + src[5]*C1 + src[6]*C2 + (1<<(SHIFT-1))) >> SHIFT);\ |
| OP(dst[6], (src[ 4] + src[ 9] - 5*(src[ 5]+src[8]) + src[6]*C1 + src[7]*C2 + (1<<(SHIFT-1))) >> SHIFT);\ |
| OP(dst[7], (src[ 5] + src[10] - 5*(src[ 6]+src[9]) + src[7]*C1 + src[8]*C2 + (1<<(SHIFT-1))) >> SHIFT);\ |
| dst += dstStride;\ |
| src += srcStride;\ |
| }\ |
| }\ |
| \ |
| static void OPNAME ## rv40_qpel8_v_lowpass(uint8_t *dst, const uint8_t *src, int dstStride, int srcStride,\ |
| const int w, const int C1, const int C2, const int SHIFT){\ |
| const uint8_t *cm = ff_crop_tab + MAX_NEG_CROP;\ |
| int i;\ |
| for(i = 0; i < w; i++)\ |
| {\ |
| const int srcB = src[-2*srcStride];\ |
| 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];\ |
| const int src10 = src[10*srcStride];\ |
| OP(dst[0*dstStride], (srcB + src3 - 5*(srcA+src2) + src0*C1 + src1*C2 + (1<<(SHIFT-1))) >> SHIFT);\ |
| OP(dst[1*dstStride], (srcA + src4 - 5*(src0+src3) + src1*C1 + src2*C2 + (1<<(SHIFT-1))) >> SHIFT);\ |
| OP(dst[2*dstStride], (src0 + src5 - 5*(src1+src4) + src2*C1 + src3*C2 + (1<<(SHIFT-1))) >> SHIFT);\ |
| OP(dst[3*dstStride], (src1 + src6 - 5*(src2+src5) + src3*C1 + src4*C2 + (1<<(SHIFT-1))) >> SHIFT);\ |
| OP(dst[4*dstStride], (src2 + src7 - 5*(src3+src6) + src4*C1 + src5*C2 + (1<<(SHIFT-1))) >> SHIFT);\ |
| OP(dst[5*dstStride], (src3 + src8 - 5*(src4+src7) + src5*C1 + src6*C2 + (1<<(SHIFT-1))) >> SHIFT);\ |
| OP(dst[6*dstStride], (src4 + src9 - 5*(src5+src8) + src6*C1 + src7*C2 + (1<<(SHIFT-1))) >> SHIFT);\ |
| OP(dst[7*dstStride], (src5 + src10 - 5*(src6+src9) + src7*C1 + src8*C2 + (1<<(SHIFT-1))) >> SHIFT);\ |
| dst++;\ |
| src++;\ |
| }\ |
| }\ |
| \ |
| static void OPNAME ## rv40_qpel16_v_lowpass(uint8_t *dst, const uint8_t *src, int dstStride, int srcStride,\ |
| const int w, const int C1, const int C2, const int SHIFT){\ |
| OPNAME ## rv40_qpel8_v_lowpass(dst , src , dstStride, srcStride, 8, C1, C2, SHIFT);\ |
| OPNAME ## rv40_qpel8_v_lowpass(dst+8, src+8, dstStride, srcStride, 8, C1, C2, SHIFT);\ |
| src += 8*srcStride;\ |
| dst += 8*dstStride;\ |
| OPNAME ## rv40_qpel8_v_lowpass(dst , src , dstStride, srcStride, w-8, C1, C2, SHIFT);\ |
| OPNAME ## rv40_qpel8_v_lowpass(dst+8, src+8, dstStride, srcStride, w-8, C1, C2, SHIFT);\ |
| }\ |
| \ |
| static void OPNAME ## rv40_qpel16_h_lowpass(uint8_t *dst, const uint8_t *src, int dstStride, int srcStride,\ |
| const int h, const int C1, const int C2, const int SHIFT){\ |
| OPNAME ## rv40_qpel8_h_lowpass(dst , src , dstStride, srcStride, 8, C1, C2, SHIFT);\ |
| OPNAME ## rv40_qpel8_h_lowpass(dst+8, src+8, dstStride, srcStride, 8, C1, C2, SHIFT);\ |
| src += 8*srcStride;\ |
| dst += 8*dstStride;\ |
| OPNAME ## rv40_qpel8_h_lowpass(dst , src , dstStride, srcStride, h-8, C1, C2, SHIFT);\ |
| OPNAME ## rv40_qpel8_h_lowpass(dst+8, src+8, dstStride, srcStride, h-8, C1, C2, SHIFT);\ |
| }\ |
| \ |
| |
| #define RV40_MC(OPNAME, SIZE) \ |
| static void OPNAME ## rv40_qpel ## SIZE ## _mc10_c(uint8_t *dst, const uint8_t *src, ptrdiff_t stride)\ |
| {\ |
| OPNAME ## rv40_qpel ## SIZE ## _h_lowpass(dst, src, stride, stride, SIZE, 52, 20, 6);\ |
| }\ |
| \ |
| static void OPNAME ## rv40_qpel ## SIZE ## _mc30_c(uint8_t *dst, const uint8_t *src, ptrdiff_t stride)\ |
| {\ |
| OPNAME ## rv40_qpel ## SIZE ## _h_lowpass(dst, src, stride, stride, SIZE, 20, 52, 6);\ |
| }\ |
| \ |
| static void OPNAME ## rv40_qpel ## SIZE ## _mc01_c(uint8_t *dst, const uint8_t *src, ptrdiff_t stride)\ |
| {\ |
| OPNAME ## rv40_qpel ## SIZE ## _v_lowpass(dst, src, stride, stride, SIZE, 52, 20, 6);\ |
| }\ |
| \ |
| static void OPNAME ## rv40_qpel ## SIZE ## _mc11_c(uint8_t *dst, const uint8_t *src, ptrdiff_t stride)\ |
| {\ |
| uint8_t full[SIZE*(SIZE+5)];\ |
| uint8_t * const full_mid = full + SIZE*2;\ |
| put_rv40_qpel ## SIZE ## _h_lowpass(full, src - 2*stride, SIZE, stride, SIZE+5, 52, 20, 6);\ |
| OPNAME ## rv40_qpel ## SIZE ## _v_lowpass(dst, full_mid, stride, SIZE, SIZE, 52, 20, 6);\ |
| }\ |
| \ |
| static void OPNAME ## rv40_qpel ## SIZE ## _mc21_c(uint8_t *dst, const uint8_t *src, ptrdiff_t stride)\ |
| {\ |
| uint8_t full[SIZE*(SIZE+5)];\ |
| uint8_t * const full_mid = full + SIZE*2;\ |
| put_rv40_qpel ## SIZE ## _h_lowpass(full, src - 2*stride, SIZE, stride, SIZE+5, 20, 20, 5);\ |
| OPNAME ## rv40_qpel ## SIZE ## _v_lowpass(dst, full_mid, stride, SIZE, SIZE, 52, 20, 6);\ |
| }\ |
| \ |
| static void OPNAME ## rv40_qpel ## SIZE ## _mc31_c(uint8_t *dst, const uint8_t *src, ptrdiff_t stride)\ |
| {\ |
| uint8_t full[SIZE*(SIZE+5)];\ |
| uint8_t * const full_mid = full + SIZE*2;\ |
| put_rv40_qpel ## SIZE ## _h_lowpass(full, src - 2*stride, SIZE, stride, SIZE+5, 20, 52, 6);\ |
| OPNAME ## rv40_qpel ## SIZE ## _v_lowpass(dst, full_mid, stride, SIZE, SIZE, 52, 20, 6);\ |
| }\ |
| \ |
| static void OPNAME ## rv40_qpel ## SIZE ## _mc12_c(uint8_t *dst, const uint8_t *src, ptrdiff_t stride)\ |
| {\ |
| uint8_t full[SIZE*(SIZE+5)];\ |
| uint8_t * const full_mid = full + SIZE*2;\ |
| put_rv40_qpel ## SIZE ## _h_lowpass(full, src - 2*stride, SIZE, stride, SIZE+5, 52, 20, 6);\ |
| OPNAME ## rv40_qpel ## SIZE ## _v_lowpass(dst, full_mid, stride, SIZE, SIZE, 20, 20, 5);\ |
| }\ |
| \ |
| static void OPNAME ## rv40_qpel ## SIZE ## _mc22_c(uint8_t *dst, const uint8_t *src, ptrdiff_t stride)\ |
| {\ |
| uint8_t full[SIZE*(SIZE+5)];\ |
| uint8_t * const full_mid = full + SIZE*2;\ |
| put_rv40_qpel ## SIZE ## _h_lowpass(full, src - 2*stride, SIZE, stride, SIZE+5, 20, 20, 5);\ |
| OPNAME ## rv40_qpel ## SIZE ## _v_lowpass(dst, full_mid, stride, SIZE, SIZE, 20, 20, 5);\ |
| }\ |
| \ |
| static void OPNAME ## rv40_qpel ## SIZE ## _mc32_c(uint8_t *dst, const uint8_t *src, ptrdiff_t stride)\ |
| {\ |
| uint8_t full[SIZE*(SIZE+5)];\ |
| uint8_t * const full_mid = full + SIZE*2;\ |
| put_rv40_qpel ## SIZE ## _h_lowpass(full, src - 2*stride, SIZE, stride, SIZE+5, 20, 52, 6);\ |
| OPNAME ## rv40_qpel ## SIZE ## _v_lowpass(dst, full_mid, stride, SIZE, SIZE, 20, 20, 5);\ |
| }\ |
| \ |
| static void OPNAME ## rv40_qpel ## SIZE ## _mc03_c(uint8_t *dst, const uint8_t *src, ptrdiff_t stride)\ |
| {\ |
| OPNAME ## rv40_qpel ## SIZE ## _v_lowpass(dst, src, stride, stride, SIZE, 20, 52, 6);\ |
| }\ |
| \ |
| static void OPNAME ## rv40_qpel ## SIZE ## _mc13_c(uint8_t *dst, const uint8_t *src, ptrdiff_t stride)\ |
| {\ |
| uint8_t full[SIZE*(SIZE+5)];\ |
| uint8_t * const full_mid = full + SIZE*2;\ |
| put_rv40_qpel ## SIZE ## _h_lowpass(full, src - 2*stride, SIZE, stride, SIZE+5, 52, 20, 6);\ |
| OPNAME ## rv40_qpel ## SIZE ## _v_lowpass(dst, full_mid, stride, SIZE, SIZE, 20, 52, 6);\ |
| }\ |
| \ |
| static void OPNAME ## rv40_qpel ## SIZE ## _mc23_c(uint8_t *dst, const uint8_t *src, ptrdiff_t stride)\ |
| {\ |
| uint8_t full[SIZE*(SIZE+5)];\ |
| uint8_t * const full_mid = full + SIZE*2;\ |
| put_rv40_qpel ## SIZE ## _h_lowpass(full, src - 2*stride, SIZE, stride, SIZE+5, 20, 20, 5);\ |
| OPNAME ## rv40_qpel ## SIZE ## _v_lowpass(dst, full_mid, stride, SIZE, SIZE, 20, 52, 6);\ |
| }\ |
| \ |
| |
| #define op_avg(a, b) a = (((a)+cm[b]+1)>>1) |
| #define op_put(a, b) a = cm[b] |
| |
| RV40_LOWPASS(put_ , op_put) |
| RV40_LOWPASS(avg_ , op_avg) |
| |
| #undef op_avg |
| #undef op_put |
| |
| RV40_MC(put_, 8) |
| RV40_MC(put_, 16) |
| RV40_MC(avg_, 8) |
| RV40_MC(avg_, 16) |
| |
| #define PIXOP2(OPNAME, OP) \ |
| static inline void OPNAME ## _pixels8_xy2_8_c(uint8_t *block, \ |
| const uint8_t *pixels, \ |
| ptrdiff_t line_size, \ |
| int h) \ |
| { \ |
| /* FIXME HIGH BIT DEPTH */ \ |
| int j; \ |
| \ |
| for (j = 0; j < 2; j++) { \ |
| int i; \ |
| const uint32_t a = AV_RN32(pixels); \ |
| const uint32_t b = AV_RN32(pixels + 1); \ |
| uint32_t l0 = (a & 0x03030303UL) + \ |
| (b & 0x03030303UL) + \ |
| 0x02020202UL; \ |
| uint32_t h0 = ((a & 0xFCFCFCFCUL) >> 2) + \ |
| ((b & 0xFCFCFCFCUL) >> 2); \ |
| uint32_t l1, h1; \ |
| \ |
| pixels += line_size; \ |
| for (i = 0; i < h; i += 2) { \ |
| uint32_t a = AV_RN32(pixels); \ |
| uint32_t b = AV_RN32(pixels + 1); \ |
| l1 = (a & 0x03030303UL) + \ |
| (b & 0x03030303UL); \ |
| h1 = ((a & 0xFCFCFCFCUL) >> 2) + \ |
| ((b & 0xFCFCFCFCUL) >> 2); \ |
| OP(*((uint32_t *) block), \ |
| h0 + h1 + (((l0 + l1) >> 2) & 0x0F0F0F0FUL)); \ |
| pixels += line_size; \ |
| block += line_size; \ |
| a = AV_RN32(pixels); \ |
| b = AV_RN32(pixels + 1); \ |
| l0 = (a & 0x03030303UL) + \ |
| (b & 0x03030303UL) + \ |
| 0x02020202UL; \ |
| h0 = ((a & 0xFCFCFCFCUL) >> 2) + \ |
| ((b & 0xFCFCFCFCUL) >> 2); \ |
| OP(*((uint32_t *) block), \ |
| h0 + h1 + (((l0 + l1) >> 2) & 0x0F0F0F0FUL)); \ |
| pixels += line_size; \ |
| block += line_size; \ |
| } \ |
| pixels += 4 - line_size * (h + 1); \ |
| block += 4 - line_size * h; \ |
| } \ |
| } \ |
| \ |
| CALL_2X_PIXELS(OPNAME ## _pixels16_xy2_8_c, \ |
| OPNAME ## _pixels8_xy2_8_c, \ |
| 8) \ |
| |
| #define op_avg(a, b) a = rnd_avg32(a, b) |
| #define op_put(a, b) a = b |
| PIXOP2(avg, op_avg) |
| PIXOP2(put, op_put) |
| #undef op_avg |
| #undef op_put |
| |
| static void put_rv40_qpel16_mc33_c(uint8_t *dst, const uint8_t *src, ptrdiff_t stride) |
| { |
| put_pixels16_xy2_8_c(dst, src, stride, 16); |
| } |
| static void avg_rv40_qpel16_mc33_c(uint8_t *dst, const uint8_t *src, ptrdiff_t stride) |
| { |
| avg_pixels16_xy2_8_c(dst, src, stride, 16); |
| } |
| static void put_rv40_qpel8_mc33_c(uint8_t *dst, const uint8_t *src, ptrdiff_t stride) |
| { |
| put_pixels8_xy2_8_c(dst, src, stride, 8); |
| } |
| static void avg_rv40_qpel8_mc33_c(uint8_t *dst, const uint8_t *src, ptrdiff_t stride) |
| { |
| avg_pixels8_xy2_8_c(dst, src, stride, 8); |
| } |
| |
| static const int rv40_bias[4][4] = { |
| { 0, 16, 32, 16 }, |
| { 32, 28, 32, 28 }, |
| { 0, 32, 16, 32 }, |
| { 32, 28, 32, 28 } |
| }; |
| |
| #define RV40_CHROMA_MC(OPNAME, OP)\ |
| static void OPNAME ## rv40_chroma_mc4_c(uint8_t *dst /*align 8*/,\ |
| uint8_t *src /*align 1*/,\ |
| ptrdiff_t 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;\ |
| int bias = rv40_bias[y>>1][x>>1];\ |
| \ |
| av_assert2(x<8 && y<8 && x>=0 && y>=0);\ |
| \ |
| if(D){\ |
| for(i = 0; i < h; i++){\ |
| OP(dst[0], (A*src[0] + B*src[1] + C*src[stride+0] + D*src[stride+1] + bias));\ |
| OP(dst[1], (A*src[1] + B*src[2] + C*src[stride+1] + D*src[stride+2] + bias));\ |
| OP(dst[2], (A*src[2] + B*src[3] + C*src[stride+2] + D*src[stride+3] + bias));\ |
| OP(dst[3], (A*src[3] + B*src[4] + C*src[stride+3] + D*src[stride+4] + bias));\ |
| dst += stride;\ |
| src += stride;\ |
| }\ |
| }else{\ |
| const int E = B + C;\ |
| const ptrdiff_t step = C ? stride : 1;\ |
| for(i = 0; i < h; i++){\ |
| OP(dst[0], (A*src[0] + E*src[step+0] + bias));\ |
| OP(dst[1], (A*src[1] + E*src[step+1] + bias));\ |
| OP(dst[2], (A*src[2] + E*src[step+2] + bias));\ |
| OP(dst[3], (A*src[3] + E*src[step+3] + bias));\ |
| dst += stride;\ |
| src += stride;\ |
| }\ |
| }\ |
| }\ |
| \ |
| static void OPNAME ## rv40_chroma_mc8_c(uint8_t *dst/*align 8*/,\ |
| uint8_t *src/*align 1*/,\ |
| ptrdiff_t 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;\ |
| int bias = rv40_bias[y>>1][x>>1];\ |
| \ |
| av_assert2(x<8 && y<8 && x>=0 && y>=0);\ |
| \ |
| if(D){\ |
| for(i = 0; i < h; i++){\ |
| OP(dst[0], (A*src[0] + B*src[1] + C*src[stride+0] + D*src[stride+1] + bias));\ |
| OP(dst[1], (A*src[1] + B*src[2] + C*src[stride+1] + D*src[stride+2] + bias));\ |
| OP(dst[2], (A*src[2] + B*src[3] + C*src[stride+2] + D*src[stride+3] + bias));\ |
| OP(dst[3], (A*src[3] + B*src[4] + C*src[stride+3] + D*src[stride+4] + bias));\ |
| OP(dst[4], (A*src[4] + B*src[5] + C*src[stride+4] + D*src[stride+5] + bias));\ |
| OP(dst[5], (A*src[5] + B*src[6] + C*src[stride+5] + D*src[stride+6] + bias));\ |
| OP(dst[6], (A*src[6] + B*src[7] + C*src[stride+6] + D*src[stride+7] + bias));\ |
| OP(dst[7], (A*src[7] + B*src[8] + C*src[stride+7] + D*src[stride+8] + bias));\ |
| dst += stride;\ |
| src += stride;\ |
| }\ |
| }else{\ |
| const int E = B + C;\ |
| const ptrdiff_t step = C ? stride : 1;\ |
| for(i = 0; i < h; i++){\ |
| OP(dst[0], (A*src[0] + E*src[step+0] + bias));\ |
| OP(dst[1], (A*src[1] + E*src[step+1] + bias));\ |
| OP(dst[2], (A*src[2] + E*src[step+2] + bias));\ |
| OP(dst[3], (A*src[3] + E*src[step+3] + bias));\ |
| OP(dst[4], (A*src[4] + E*src[step+4] + bias));\ |
| OP(dst[5], (A*src[5] + E*src[step+5] + bias));\ |
| OP(dst[6], (A*src[6] + E*src[step+6] + bias));\ |
| OP(dst[7], (A*src[7] + E*src[step+7] + bias));\ |
| dst += stride;\ |
| src += stride;\ |
| }\ |
| }\ |
| } |
| |
| #define op_avg(a, b) a = (((a)+((b)>>6)+1)>>1) |
| #define op_put(a, b) a = ((b)>>6) |
| |
| RV40_CHROMA_MC(put_, op_put) |
| RV40_CHROMA_MC(avg_, op_avg) |
| |
| #define RV40_WEIGHT_FUNC(size) \ |
| static void rv40_weight_func_rnd_ ## size (uint8_t *dst, uint8_t *src1, uint8_t *src2, int w1, int w2, ptrdiff_t stride)\ |
| {\ |
| int i, j;\ |
| \ |
| for (j = 0; j < size; j++) {\ |
| for (i = 0; i < size; i++)\ |
| dst[i] = (((w2 * src1[i]) >> 9) + ((w1 * src2[i]) >> 9) + 0x10) >> 5;\ |
| src1 += stride;\ |
| src2 += stride;\ |
| dst += stride;\ |
| }\ |
| }\ |
| static void rv40_weight_func_nornd_ ## size (uint8_t *dst, uint8_t *src1, uint8_t *src2, int w1, int w2, ptrdiff_t stride)\ |
| {\ |
| int i, j;\ |
| \ |
| for (j = 0; j < size; j++) {\ |
| for (i = 0; i < size; i++)\ |
| dst[i] = (w2 * src1[i] + w1 * src2[i] + 0x10) >> 5;\ |
| src1 += stride;\ |
| src2 += stride;\ |
| dst += stride;\ |
| }\ |
| } |
| |
| RV40_WEIGHT_FUNC(16) |
| RV40_WEIGHT_FUNC(8) |
| |
| /** |
| * dither values for deblocking filter - left/top values |
| */ |
| static const uint8_t rv40_dither_l[16] = { |
| 0x40, 0x50, 0x20, 0x60, 0x30, 0x50, 0x40, 0x30, |
| 0x50, 0x40, 0x50, 0x30, 0x60, 0x20, 0x50, 0x40 |
| }; |
| |
| /** |
| * dither values for deblocking filter - right/bottom values |
| */ |
| static const uint8_t rv40_dither_r[16] = { |
| 0x40, 0x30, 0x60, 0x20, 0x50, 0x30, 0x30, 0x40, |
| 0x40, 0x40, 0x50, 0x30, 0x20, 0x60, 0x30, 0x40 |
| }; |
| |
| #define CLIP_SYMM(a, b) av_clip(a, -(b), b) |
| /** |
| * weaker deblocking very similar to the one described in 4.4.2 of JVT-A003r1 |
| */ |
| static av_always_inline void rv40_weak_loop_filter(uint8_t *src, |
| const int step, |
| const ptrdiff_t stride, |
| const int filter_p1, |
| const int filter_q1, |
| const int alpha, |
| const int beta, |
| const int lim_p0q0, |
| const int lim_q1, |
| const int lim_p1) |
| { |
| const uint8_t *cm = ff_crop_tab + MAX_NEG_CROP; |
| int i, t, u, diff; |
| |
| for (i = 0; i < 4; i++, src += stride) { |
| int diff_p1p0 = src[-2*step] - src[-1*step]; |
| int diff_q1q0 = src[ 1*step] - src[ 0*step]; |
| int diff_p1p2 = src[-2*step] - src[-3*step]; |
| int diff_q1q2 = src[ 1*step] - src[ 2*step]; |
| |
| t = src[0*step] - src[-1*step]; |
| if (!t) |
| continue; |
| |
| u = (alpha * FFABS(t)) >> 7; |
| if (u > 3 - (filter_p1 && filter_q1)) |
| continue; |
| |
| t *= 1 << 2; |
| if (filter_p1 && filter_q1) |
| t += src[-2*step] - src[1*step]; |
| |
| diff = CLIP_SYMM((t + 4) >> 3, lim_p0q0); |
| src[-1*step] = cm[src[-1*step] + diff]; |
| src[ 0*step] = cm[src[ 0*step] - diff]; |
| |
| if (filter_p1 && FFABS(diff_p1p2) <= beta) { |
| t = (diff_p1p0 + diff_p1p2 - diff) >> 1; |
| src[-2*step] = cm[src[-2*step] - CLIP_SYMM(t, lim_p1)]; |
| } |
| |
| if (filter_q1 && FFABS(diff_q1q2) <= beta) { |
| t = (diff_q1q0 + diff_q1q2 + diff) >> 1; |
| src[ 1*step] = cm[src[ 1*step] - CLIP_SYMM(t, lim_q1)]; |
| } |
| } |
| } |
| |
| static void rv40_h_weak_loop_filter(uint8_t *src, const ptrdiff_t stride, |
| const int filter_p1, const int filter_q1, |
| const int alpha, const int beta, |
| const int lim_p0q0, const int lim_q1, |
| const int lim_p1) |
| { |
| rv40_weak_loop_filter(src, stride, 1, filter_p1, filter_q1, |
| alpha, beta, lim_p0q0, lim_q1, lim_p1); |
| } |
| |
| static void rv40_v_weak_loop_filter(uint8_t *src, const ptrdiff_t stride, |
| const int filter_p1, const int filter_q1, |
| const int alpha, const int beta, |
| const int lim_p0q0, const int lim_q1, |
| const int lim_p1) |
| { |
| rv40_weak_loop_filter(src, 1, stride, filter_p1, filter_q1, |
| alpha, beta, lim_p0q0, lim_q1, lim_p1); |
| } |
| |
| static av_always_inline void rv40_strong_loop_filter(uint8_t *src, |
| const int step, |
| const ptrdiff_t stride, |
| const int alpha, |
| const int lims, |
| const int dmode, |
| const int chroma) |
| { |
| int i; |
| |
| for(i = 0; i < 4; i++, src += stride){ |
| int sflag, p0, q0, p1, q1; |
| int t = src[0*step] - src[-1*step]; |
| |
| if (!t) |
| continue; |
| |
| sflag = (alpha * FFABS(t)) >> 7; |
| if (sflag > 1) |
| continue; |
| |
| p0 = (25*src[-3*step] + 26*src[-2*step] + 26*src[-1*step] + |
| 26*src[ 0*step] + 25*src[ 1*step] + |
| rv40_dither_l[dmode + i]) >> 7; |
| |
| q0 = (25*src[-2*step] + 26*src[-1*step] + 26*src[ 0*step] + |
| 26*src[ 1*step] + 25*src[ 2*step] + |
| rv40_dither_r[dmode + i]) >> 7; |
| |
| if (sflag) { |
| p0 = av_clip(p0, src[-1*step] - lims, src[-1*step] + lims); |
| q0 = av_clip(q0, src[ 0*step] - lims, src[ 0*step] + lims); |
| } |
| |
| p1 = (25*src[-4*step] + 26*src[-3*step] + 26*src[-2*step] + 26*p0 + |
| 25*src[ 0*step] + rv40_dither_l[dmode + i]) >> 7; |
| q1 = (25*src[-1*step] + 26*q0 + 26*src[ 1*step] + 26*src[ 2*step] + |
| 25*src[ 3*step] + rv40_dither_r[dmode + i]) >> 7; |
| |
| if (sflag) { |
| p1 = av_clip(p1, src[-2*step] - lims, src[-2*step] + lims); |
| q1 = av_clip(q1, src[ 1*step] - lims, src[ 1*step] + lims); |
| } |
| |
| src[-2*step] = p1; |
| src[-1*step] = p0; |
| src[ 0*step] = q0; |
| src[ 1*step] = q1; |
| |
| if(!chroma){ |
| src[-3*step] = (25*src[-1*step] + 26*src[-2*step] + |
| 51*src[-3*step] + 26*src[-4*step] + 64) >> 7; |
| src[ 2*step] = (25*src[ 0*step] + 26*src[ 1*step] + |
| 51*src[ 2*step] + 26*src[ 3*step] + 64) >> 7; |
| } |
| } |
| } |
| |
| static void rv40_h_strong_loop_filter(uint8_t *src, const ptrdiff_t stride, |
| const int alpha, const int lims, |
| const int dmode, const int chroma) |
| { |
| rv40_strong_loop_filter(src, stride, 1, alpha, lims, dmode, chroma); |
| } |
| |
| static void rv40_v_strong_loop_filter(uint8_t *src, const ptrdiff_t stride, |
| const int alpha, const int lims, |
| const int dmode, const int chroma) |
| { |
| rv40_strong_loop_filter(src, 1, stride, alpha, lims, dmode, chroma); |
| } |
| |
| static av_always_inline int rv40_loop_filter_strength(uint8_t *src, |
| int step, ptrdiff_t stride, |
| int beta, int beta2, |
| int edge, |
| int *p1, int *q1) |
| { |
| int sum_p1p0 = 0, sum_q1q0 = 0, sum_p1p2 = 0, sum_q1q2 = 0; |
| int strong0 = 0, strong1 = 0; |
| uint8_t *ptr; |
| int i; |
| |
| for (i = 0, ptr = src; i < 4; i++, ptr += stride) { |
| sum_p1p0 += ptr[-2*step] - ptr[-1*step]; |
| sum_q1q0 += ptr[ 1*step] - ptr[ 0*step]; |
| } |
| |
| *p1 = FFABS(sum_p1p0) < (beta << 2); |
| *q1 = FFABS(sum_q1q0) < (beta << 2); |
| |
| if(!*p1 && !*q1) |
| return 0; |
| |
| if (!edge) |
| return 0; |
| |
| for (i = 0, ptr = src; i < 4; i++, ptr += stride) { |
| sum_p1p2 += ptr[-2*step] - ptr[-3*step]; |
| sum_q1q2 += ptr[ 1*step] - ptr[ 2*step]; |
| } |
| |
| strong0 = *p1 && (FFABS(sum_p1p2) < beta2); |
| strong1 = *q1 && (FFABS(sum_q1q2) < beta2); |
| |
| return strong0 && strong1; |
| } |
| |
| static int rv40_h_loop_filter_strength(uint8_t *src, ptrdiff_t stride, |
| int beta, int beta2, int edge, |
| int *p1, int *q1) |
| { |
| return rv40_loop_filter_strength(src, stride, 1, beta, beta2, edge, p1, q1); |
| } |
| |
| static int rv40_v_loop_filter_strength(uint8_t *src, ptrdiff_t stride, |
| int beta, int beta2, int edge, |
| int *p1, int *q1) |
| { |
| return rv40_loop_filter_strength(src, 1, stride, beta, beta2, edge, p1, q1); |
| } |
| |
| av_cold void ff_rv40dsp_init(RV34DSPContext *c) |
| { |
| H264QpelContext qpel; |
| |
| ff_rv34dsp_init(c); |
| 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_rv40_qpel16_mc10_c; |
| c->put_pixels_tab[0][ 2] = qpel.put_h264_qpel_pixels_tab[0][2]; |
| c->put_pixels_tab[0][ 3] = put_rv40_qpel16_mc30_c; |
| c->put_pixels_tab[0][ 4] = put_rv40_qpel16_mc01_c; |
| c->put_pixels_tab[0][ 5] = put_rv40_qpel16_mc11_c; |
| c->put_pixels_tab[0][ 6] = put_rv40_qpel16_mc21_c; |
| c->put_pixels_tab[0][ 7] = put_rv40_qpel16_mc31_c; |
| c->put_pixels_tab[0][ 8] = qpel.put_h264_qpel_pixels_tab[0][8]; |
| c->put_pixels_tab[0][ 9] = put_rv40_qpel16_mc12_c; |
| c->put_pixels_tab[0][10] = put_rv40_qpel16_mc22_c; |
| c->put_pixels_tab[0][11] = put_rv40_qpel16_mc32_c; |
| c->put_pixels_tab[0][12] = put_rv40_qpel16_mc03_c; |
| c->put_pixels_tab[0][13] = put_rv40_qpel16_mc13_c; |
| c->put_pixels_tab[0][14] = put_rv40_qpel16_mc23_c; |
| c->put_pixels_tab[0][15] = put_rv40_qpel16_mc33_c; |
| c->avg_pixels_tab[0][ 0] = qpel.avg_h264_qpel_pixels_tab[0][0]; |
| c->avg_pixels_tab[0][ 1] = avg_rv40_qpel16_mc10_c; |
| c->avg_pixels_tab[0][ 2] = qpel.avg_h264_qpel_pixels_tab[0][2]; |
| c->avg_pixels_tab[0][ 3] = avg_rv40_qpel16_mc30_c; |
| c->avg_pixels_tab[0][ 4] = avg_rv40_qpel16_mc01_c; |
| c->avg_pixels_tab[0][ 5] = avg_rv40_qpel16_mc11_c; |
| c->avg_pixels_tab[0][ 6] = avg_rv40_qpel16_mc21_c; |
| c->avg_pixels_tab[0][ 7] = avg_rv40_qpel16_mc31_c; |
| c->avg_pixels_tab[0][ 8] = qpel.avg_h264_qpel_pixels_tab[0][8]; |
| c->avg_pixels_tab[0][ 9] = avg_rv40_qpel16_mc12_c; |
| c->avg_pixels_tab[0][10] = avg_rv40_qpel16_mc22_c; |
| c->avg_pixels_tab[0][11] = avg_rv40_qpel16_mc32_c; |
| c->avg_pixels_tab[0][12] = avg_rv40_qpel16_mc03_c; |
| c->avg_pixels_tab[0][13] = avg_rv40_qpel16_mc13_c; |
| c->avg_pixels_tab[0][14] = avg_rv40_qpel16_mc23_c; |
| c->avg_pixels_tab[0][15] = avg_rv40_qpel16_mc33_c; |
| c->put_pixels_tab[1][ 0] = qpel.put_h264_qpel_pixels_tab[1][0]; |
| c->put_pixels_tab[1][ 1] = put_rv40_qpel8_mc10_c; |
| c->put_pixels_tab[1][ 2] = qpel.put_h264_qpel_pixels_tab[1][2]; |
| c->put_pixels_tab[1][ 3] = put_rv40_qpel8_mc30_c; |
| c->put_pixels_tab[1][ 4] = put_rv40_qpel8_mc01_c; |
| c->put_pixels_tab[1][ 5] = put_rv40_qpel8_mc11_c; |
| c->put_pixels_tab[1][ 6] = put_rv40_qpel8_mc21_c; |
| c->put_pixels_tab[1][ 7] = put_rv40_qpel8_mc31_c; |
| c->put_pixels_tab[1][ 8] = qpel.put_h264_qpel_pixels_tab[1][8]; |
| c->put_pixels_tab[1][ 9] = put_rv40_qpel8_mc12_c; |
| c->put_pixels_tab[1][10] = put_rv40_qpel8_mc22_c; |
| c->put_pixels_tab[1][11] = put_rv40_qpel8_mc32_c; |
| c->put_pixels_tab[1][12] = put_rv40_qpel8_mc03_c; |
| c->put_pixels_tab[1][13] = put_rv40_qpel8_mc13_c; |
| c->put_pixels_tab[1][14] = put_rv40_qpel8_mc23_c; |
| c->put_pixels_tab[1][15] = put_rv40_qpel8_mc33_c; |
| c->avg_pixels_tab[1][ 0] = qpel.avg_h264_qpel_pixels_tab[1][0]; |
| c->avg_pixels_tab[1][ 1] = avg_rv40_qpel8_mc10_c; |
| c->avg_pixels_tab[1][ 2] = qpel.avg_h264_qpel_pixels_tab[1][2]; |
| c->avg_pixels_tab[1][ 3] = avg_rv40_qpel8_mc30_c; |
| c->avg_pixels_tab[1][ 4] = avg_rv40_qpel8_mc01_c; |
| c->avg_pixels_tab[1][ 5] = avg_rv40_qpel8_mc11_c; |
| c->avg_pixels_tab[1][ 6] = avg_rv40_qpel8_mc21_c; |
| c->avg_pixels_tab[1][ 7] = avg_rv40_qpel8_mc31_c; |
| c->avg_pixels_tab[1][ 8] = qpel.avg_h264_qpel_pixels_tab[1][8]; |
| c->avg_pixels_tab[1][ 9] = avg_rv40_qpel8_mc12_c; |
| c->avg_pixels_tab[1][10] = avg_rv40_qpel8_mc22_c; |
| c->avg_pixels_tab[1][11] = avg_rv40_qpel8_mc32_c; |
| c->avg_pixels_tab[1][12] = avg_rv40_qpel8_mc03_c; |
| c->avg_pixels_tab[1][13] = avg_rv40_qpel8_mc13_c; |
| c->avg_pixels_tab[1][14] = avg_rv40_qpel8_mc23_c; |
| c->avg_pixels_tab[1][15] = avg_rv40_qpel8_mc33_c; |
| |
| c->put_chroma_pixels_tab[0] = put_rv40_chroma_mc8_c; |
| c->put_chroma_pixels_tab[1] = put_rv40_chroma_mc4_c; |
| c->avg_chroma_pixels_tab[0] = avg_rv40_chroma_mc8_c; |
| c->avg_chroma_pixels_tab[1] = avg_rv40_chroma_mc4_c; |
| |
| c->rv40_weight_pixels_tab[0][0] = rv40_weight_func_rnd_16; |
| c->rv40_weight_pixels_tab[0][1] = rv40_weight_func_rnd_8; |
| c->rv40_weight_pixels_tab[1][0] = rv40_weight_func_nornd_16; |
| c->rv40_weight_pixels_tab[1][1] = rv40_weight_func_nornd_8; |
| |
| c->rv40_weak_loop_filter[0] = rv40_h_weak_loop_filter; |
| c->rv40_weak_loop_filter[1] = rv40_v_weak_loop_filter; |
| c->rv40_strong_loop_filter[0] = rv40_h_strong_loop_filter; |
| c->rv40_strong_loop_filter[1] = rv40_v_strong_loop_filter; |
| c->rv40_loop_filter_strength[0] = rv40_h_loop_filter_strength; |
| c->rv40_loop_filter_strength[1] = rv40_v_loop_filter_strength; |
| |
| if (ARCH_AARCH64) |
| ff_rv40dsp_init_aarch64(c); |
| if (ARCH_ARM) |
| ff_rv40dsp_init_arm(c); |
| if (ARCH_X86) |
| ff_rv40dsp_init_x86(c); |
| } |
