| /* |
| * Loongson SIMD optimized h264dsp |
| * |
| * Copyright (c) 2015 Loongson Technology Corporation Limited |
| * Copyright (c) 2015 Zhou Xiaoyong <zhouxiaoyong@loongson.cn> |
| * Zhang Shuangshuang <zhangshuangshuang@ict.ac.cn> |
| * |
| * 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 |
| */ |
| |
| #include "libavcodec/bit_depth_template.c" |
| #include "h264dsp_mips.h" |
| |
| void ff_h264_weight_pixels16_8_mmi(uint8_t *block, int stride, |
| int height, int log2_denom, int weight, int offset) |
| { |
| int y; |
| |
| offset <<= log2_denom; |
| |
| if (log2_denom) |
| offset += 1 << (log2_denom - 1); |
| |
| for (y=0; y<height; y++, block+=stride) { |
| __asm__ volatile ( |
| "ldc1 $f2, %0 \r\n" |
| "ldc1 $f4, %1 \r\n" |
| "dmtc1 $0, $f20 \r\n" |
| "mtc1 %2, $f6 \r\n" |
| "mtc1 %3, $f8 \r\n" |
| "mtc1 %4, $f10 \r\n" |
| "pshufh $f6, $f6, $f20 \r\n" |
| "pshufh $f8, $f8, $f20 \r\n" |
| "punpckhbh $f14, $f2, $f20 \r\n" |
| "punpckhbh $f16, $f4, $f20 \r\n" |
| "punpcklbh $f2, $f2, $f20 \r\n" |
| "punpcklbh $f4, $f4, $f20 \r\n" |
| "pmullh $f14, $f14, $f6 \r\n" |
| "pmullh $f16, $f16, $f6 \r\n" |
| "pmullh $f2, $f2, $f6 \r\n" |
| "pmullh $f4, $f4, $f6 \r\n" |
| "paddsh $f14, $f14, $f8 \r\n" |
| "paddsh $f16, $f16, $f8 \r\n" |
| "paddsh $f2, $f2, $f8 \r\n" |
| "paddsh $f4, $f4, $f8 \r\n" |
| "psrah $f14, $f14, $f10 \r\n" |
| "psrah $f16, $f16, $f10 \r\n" |
| "psrah $f2, $f2, $f10 \r\n" |
| "psrah $f4, $f4, $f10 \r\n" |
| "packushb $f2, $f2, $f14 \r\n" |
| "packushb $f4, $f4, $f16 \r\n" |
| "sdc1 $f2, %0 \r\n" |
| "sdc1 $f4, %1 \r\n" |
| : "=m"(*block),"=m"(*(block + 8)) |
| : "r"(weight),"r"(offset),"r"(log2_denom) |
| ); |
| } |
| } |
| |
| void ff_h264_biweight_pixels16_8_mmi(uint8_t *dst, uint8_t *src, |
| int stride, int height, int log2_denom, int weightd, int weights, |
| int offset) |
| { |
| int y; |
| |
| offset = ((offset + 1) | 1) << log2_denom; |
| |
| for (y=0; y<height; y++, dst+=stride, src+=stride) { |
| __asm__ volatile ( |
| "ldc1 $f2, %2 \r\n" |
| "ldc1 $f4, %3 \r\n" |
| "dmtc1 $0, $f20 \r\n" |
| "mtc1 %6, $f6 \r\n" |
| "mtc1 %7, $f8 \r\n" |
| "mtc1 %8, $f10 \r\n" |
| "mtc1 %9, $f12 \r\n" |
| "pshufh $f6, $f6, $f20 \r\n" |
| "pshufh $f8, $f8, $f20 \r\n" |
| "pshufh $f10, $f10, $f20 \r\n" |
| "punpckhbh $f14, $f2, $f20 \r\n" |
| "punpckhbh $f16, $f4, $f20 \r\n" |
| "punpcklbh $f2, $f2, $f20 \r\n" |
| "punpcklbh $f4, $f4, $f20 \r\n" |
| "pmullh $f14, $f14, $f6 \r\n" |
| "pmullh $f16, $f16, $f8 \r\n" |
| "pmullh $f2, $f2, $f6 \r\n" |
| "pmullh $f4, $f4, $f8 \r\n" |
| "paddsh $f14, $f14, $f10 \r\n" |
| "paddsh $f2, $f2, $f10 \r\n" |
| "paddsh $f14, $f14, $f16 \r\n" |
| "paddsh $f2, $f2, $f4 \r\n" |
| "psrah $f14, $f14, $f12 \r\n" |
| "psrah $f2, $f2, $f12 \r\n" |
| "packushb $f2, $f2, $f14 \r\n" |
| "sdc1 $f2, %0 \r\n" |
| "ldc1 $f2, %4 \r\n" |
| "ldc1 $f4, %5 \r\n" |
| "punpckhbh $f14, $f2, $f20 \r\n" |
| "punpckhbh $f16, $f4, $f20 \r\n" |
| "punpcklbh $f2, $f2, $f20 \r\n" |
| "punpcklbh $f4, $f4, $f20 \r\n" |
| "pmullh $f14, $f14, $f6 \r\n" |
| "pmullh $f16, $f16, $f8 \r\n" |
| "pmullh $f2, $f2, $f6 \r\n" |
| "pmullh $f4, $f4, $f8 \r\n" |
| "paddsh $f14, $f14, $f10 \r\n" |
| "paddsh $f2, $f2, $f10 \r\n" |
| "paddsh $f14, $f14, $f16 \r\n" |
| "paddsh $f2, $f2, $f4 \r\n" |
| "psrah $f14, $f14, $f12 \r\n" |
| "psrah $f2, $f2, $f12 \r\n" |
| "packushb $f2, $f2, $f14 \r\n" |
| "sdc1 $f2, %1 \r\n" |
| : "=m"(*dst),"=m"(*(dst+8)) |
| : "m"(*src),"m"(*dst),"m"(*(src+8)),"m"(*(dst+8)), |
| "r"(weights),"r"(weightd),"r"(offset),"r"(log2_denom+1) |
| ); |
| } |
| } |
| |
| void ff_h264_weight_pixels8_8_mmi(uint8_t *block, int stride, int height, |
| int log2_denom, int weight, int offset) |
| { |
| int y; |
| |
| offset <<= log2_denom; |
| |
| if (log2_denom) |
| offset += 1 << (log2_denom - 1); |
| |
| for (y=0; y<height; y++, block+=stride) { |
| __asm__ volatile ( |
| "ldc1 $f2, %0 \r\n" |
| "mtc1 %1, $f6 \r\n" |
| "mtc1 %2, $f8 \r\n" |
| "mtc1 %3, $f10 \r\n" |
| "dmtc1 $0, $f20 \r\n" |
| "pshufh $f6, $f6, $f20 \r\n" |
| "pshufh $f8, $f8, $f20 \r\n" |
| "punpckhbh $f14, $f2, $f20 \r\n" |
| "punpcklbh $f2, $f2, $f20 \r\n" |
| "pmullh $f14, $f14, $f6 \r\n" |
| "pmullh $f2, $f2, $f6 \r\n" |
| "paddsh $f14, $f14, $f8 \r\n" |
| "paddsh $f2, $f2, $f8 \r\n" |
| "psrah $f14, $f14, $f10 \r\n" |
| "psrah $f2, $f2, $f10 \r\n" |
| "packushb $f2, $f2, $f14 \r\n" |
| "sdc1 $f2, %0 \r\n" |
| : "=m"(*block) |
| : "r"(weight),"r"(offset),"r"(log2_denom) |
| ); |
| } |
| } |
| |
| void ff_h264_biweight_pixels8_8_mmi(uint8_t *dst, uint8_t *src, |
| int stride, int height, int log2_denom, int weightd, int weights, |
| int offset) |
| { |
| int y; |
| |
| offset = ((offset + 1) | 1) << log2_denom; |
| |
| for (y=0; y<height; y++, dst+=stride, src+=stride) { |
| __asm__ volatile ( |
| "ldc1 $f2, %1 \r\n" |
| "ldc1 $f4, %2 \r\n" |
| "dmtc1 $0, $f20 \r\n" |
| "mtc1 %3, $f6 \r\n" |
| "mtc1 %4, $f8 \r\n" |
| "mtc1 %5, $f10 \r\n" |
| "mtc1 %6, $f12 \r\n" |
| "pshufh $f6, $f6, $f20 \r\n" |
| "pshufh $f8, $f8, $f20 \r\n" |
| "pshufh $f10, $f10, $f20 \r\n" |
| "punpckhbh $f14, $f2, $f20 \r\n" |
| "punpckhbh $f16, $f4, $f20 \r\n" |
| "punpcklbh $f2, $f2, $f20 \r\n" |
| "punpcklbh $f4, $f4, $f20 \r\n" |
| "pmullh $f14, $f14, $f6 \r\n" |
| "pmullh $f16, $f16, $f8 \r\n" |
| "pmullh $f2, $f2, $f6 \r\n" |
| "pmullh $f4, $f4, $f8 \r\n" |
| "paddsh $f14, $f14, $f10 \r\n" |
| "paddsh $f2, $f2, $f10 \r\n" |
| "paddsh $f14, $f14, $f16 \r\n" |
| "paddsh $f2, $f2, $f4 \r\n" |
| "psrah $f14, $f14, $f12 \r\n" |
| "psrah $f2, $f2, $f12 \r\n" |
| "packushb $f2, $f2, $f14 \r\n" |
| "sdc1 $f2, %0 \r\n" |
| : "=m"(*dst) |
| : "m"(*src),"m"(*dst),"r"(weights), |
| "r"(weightd),"r"(offset),"r"(log2_denom+1) |
| ); |
| } |
| } |
| |
| void ff_h264_weight_pixels4_8_mmi(uint8_t *block, int stride, int height, |
| int log2_denom, int weight, int offset) |
| { |
| int y; |
| |
| offset <<= log2_denom; |
| |
| if (log2_denom) |
| offset += 1 << (log2_denom - 1); |
| |
| for (y=0; y<height; y++, block+=stride) { |
| __asm__ volatile ( |
| "lwc1 $f2, %0 \r\n" |
| "mtc1 %1, $f6 \r\n" |
| "mtc1 %2, $f8 \r\n" |
| "mtc1 %3, $f10 \r\n" |
| "dmtc1 $0, $f20 \r\n" |
| "pshufh $f6, $f6, $f20 \r\n" |
| "pshufh $f8, $f8, $f20 \r\n" |
| "punpcklbh $f2, $f2, $f20 \r\n" |
| "pmullh $f2, $f2, $f6 \r\n" |
| "paddsh $f2, $f2, $f8 \r\n" |
| "psrah $f2, $f2, $f10 \r\n" |
| "packushb $f2, $f2, $f20 \r\n" |
| "swc1 $f2, %0 \r\n" |
| : "=m"(*block) |
| : "r"(weight),"r"(offset),"r"(log2_denom) |
| ); |
| } |
| } |
| |
| void ff_h264_biweight_pixels4_8_mmi(uint8_t *dst, uint8_t *src, |
| int stride, int height, int log2_denom, int weightd, int weights, |
| int offset) |
| { |
| int y; |
| |
| offset = ((offset + 1) | 1) << log2_denom; |
| |
| for (y=0; y<height; y++, dst+=stride, src+=stride) { |
| __asm__ volatile ( |
| "lwc1 $f2, %1 \r\n" |
| "lwc1 $f4, %2 \r\n" |
| "dmtc1 $0, $f20 \r\n" |
| "mtc1 %3, $f6 \r\n" |
| "mtc1 %4, $f8 \r\n" |
| "mtc1 %5, $f10 \r\n" |
| "mtc1 %6, $f12 \r\n" |
| "pshufh $f6, $f6, $f20 \r\n" |
| "pshufh $f8, $f8, $f20 \r\n" |
| "pshufh $f10, $f10, $f20 \r\n" |
| "punpcklbh $f2, $f2, $f20 \r\n" |
| "punpcklbh $f4, $f4, $f20 \r\n" |
| "pmullh $f2, $f2, $f6 \r\n" |
| "pmullh $f4, $f4, $f8 \r\n" |
| "paddsh $f2, $f2, $f10 \r\n" |
| "paddsh $f2, $f2, $f4 \r\n" |
| "psrah $f2, $f2, $f12 \r\n" |
| "packushb $f2, $f2, $f20 \r\n" |
| "swc1 $f2, %0 \r\n" |
| : "=m"(*dst) |
| : "m"(*src),"m"(*dst),"r"(weights), |
| "r"(weightd),"r"(offset),"r"(log2_denom+1) |
| ); |
| } |
| } |
