forked from KolibriOS/kolibrios
144 lines
5.0 KiB
C
144 lines
5.0 KiB
C
/*
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* Copyright (c) 2015 Shivraj Patil (Shivraj.Patil@imgtec.com)
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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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#include "libavutil/mips/generic_macros_msa.h"
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#include "pixblockdsp_mips.h"
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static void diff_pixels_msa(int16_t *block, const uint8_t *src1,
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const uint8_t *src2, int32_t stride)
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{
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v16u8 in10, in11, in12, in13, in14, in15, in16, in17;
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v16u8 in20, in21, in22, in23, in24, in25, in26, in27;
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v8i16 out0, out1, out2, out3, out4, out5, out6, out7;
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LD_UB8(src1, stride, in10, in11, in12, in13, in14, in15, in16, in17);
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LD_UB8(src2, stride, in20, in21, in22, in23, in24, in25, in26, in27);
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ILVR_B4_SH(in10, in20, in11, in21, in12, in22, in13, in23,
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out0, out1, out2, out3);
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ILVR_B4_SH(in14, in24, in15, in25, in16, in26, in17, in27,
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out4, out5, out6, out7);
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HSUB_UB4_SH(out0, out1, out2, out3, out0, out1, out2, out3);
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HSUB_UB4_SH(out4, out5, out6, out7, out4, out5, out6, out7);
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ST_SH8(out0, out1, out2, out3, out4, out5, out6, out7, block, 8);
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}
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static void copy_8bit_to_16bit_width8_msa(const uint8_t *src, int32_t src_stride,
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int16_t *dst, int32_t dst_stride,
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int32_t height)
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{
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uint8_t *dst_ptr;
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int32_t cnt;
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v16u8 src0, src1, src2, src3;
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v16i8 zero = { 0 };
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dst_ptr = (uint8_t *) dst;
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for (cnt = (height >> 2); cnt--;) {
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LD_UB4(src, src_stride, src0, src1, src2, src3);
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src += (4 * src_stride);
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ILVR_B4_UB(zero, src0, zero, src1, zero, src2, zero, src3,
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src0, src1, src2, src3);
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ST_UB4(src0, src1, src2, src3, dst_ptr, (dst_stride * 2));
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dst_ptr += (4 * 2 * dst_stride);
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}
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}
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static void copy_16multx8mult_msa(const uint8_t *src, int32_t src_stride,
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uint8_t *dst, int32_t dst_stride,
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int32_t height, int32_t width)
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{
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int32_t cnt, loop_cnt;
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const uint8_t *src_tmp;
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uint8_t *dst_tmp;
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v16u8 src0, src1, src2, src3, src4, src5, src6, src7;
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for (cnt = (width >> 4); cnt--;) {
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src_tmp = src;
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dst_tmp = dst;
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for (loop_cnt = (height >> 3); loop_cnt--;) {
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LD_UB8(src_tmp, src_stride,
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src0, src1, src2, src3, src4, src5, src6, src7);
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src_tmp += (8 * src_stride);
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ST_UB8(src0, src1, src2, src3, src4, src5, src6, src7,
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dst_tmp, dst_stride);
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dst_tmp += (8 * dst_stride);
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}
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src += 16;
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dst += 16;
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}
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}
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static void copy_width16_msa(const uint8_t *src, int32_t src_stride,
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uint8_t *dst, int32_t dst_stride,
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int32_t height)
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{
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int32_t cnt;
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v16u8 src0, src1, src2, src3, src4, src5, src6, src7;
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if (0 == height % 12) {
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for (cnt = (height / 12); cnt--;) {
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LD_UB8(src, src_stride,
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src0, src1, src2, src3, src4, src5, src6, src7);
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src += (8 * src_stride);
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ST_UB8(src0, src1, src2, src3, src4, src5, src6, src7,
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dst, dst_stride);
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dst += (8 * dst_stride);
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LD_UB4(src, src_stride, src0, src1, src2, src3);
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src += (4 * src_stride);
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ST_UB4(src0, src1, src2, src3, dst, dst_stride);
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dst += (4 * dst_stride);
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}
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} else if (0 == height % 8) {
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copy_16multx8mult_msa(src, src_stride, dst, dst_stride, height, 16);
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} else if (0 == height % 4) {
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for (cnt = (height >> 2); cnt--;) {
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LD_UB4(src, src_stride, src0, src1, src2, src3);
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src += (4 * src_stride);
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ST_UB4(src0, src1, src2, src3, dst, dst_stride);
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dst += (4 * dst_stride);
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}
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}
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}
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void ff_get_pixels_16_msa(int16_t *av_restrict dest, const uint8_t *src,
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ptrdiff_t stride)
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{
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copy_width16_msa(src, stride, (uint8_t *) dest, 16, 8);
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}
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void ff_get_pixels_8_msa(int16_t *av_restrict dest, const uint8_t *src,
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ptrdiff_t stride)
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{
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copy_8bit_to_16bit_width8_msa(src, stride, dest, 8, 8);
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}
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void ff_diff_pixels_msa(int16_t *av_restrict block, const uint8_t *src1,
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const uint8_t *src2, int stride)
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{
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diff_pixels_msa(block, src1, src2, stride);
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}
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