diff options
Diffstat (limited to 'libavcodec/mips/pixblockdsp_msa.c')
| -rw-r--r-- | libavcodec/mips/pixblockdsp_msa.c | 143 |
1 files changed, 143 insertions, 0 deletions
diff --git a/libavcodec/mips/pixblockdsp_msa.c b/libavcodec/mips/pixblockdsp_msa.c new file mode 100644 index 0000000000..966e11a7f5 --- /dev/null +++ b/libavcodec/mips/pixblockdsp_msa.c @@ -0,0 +1,143 @@ +/* + * Copyright (c) 2015 Shivraj Patil (Shivraj.Patil@imgtec.com) + * + * 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 "libavutil/mips/generic_macros_msa.h" +#include "pixblockdsp_mips.h" + +static void diff_pixels_msa(int16_t *block, const uint8_t *src1, + const uint8_t *src2, int32_t stride) +{ + v16u8 in10, in11, in12, in13, in14, in15, in16, in17; + v16u8 in20, in21, in22, in23, in24, in25, in26, in27; + v8i16 out0, out1, out2, out3, out4, out5, out6, out7; + + LD_UB8(src1, stride, in10, in11, in12, in13, in14, in15, in16, in17); + LD_UB8(src2, stride, in20, in21, in22, in23, in24, in25, in26, in27); + ILVR_B4_SH(in10, in20, in11, in21, in12, in22, in13, in23, + out0, out1, out2, out3); + ILVR_B4_SH(in14, in24, in15, in25, in16, in26, in17, in27, + out4, out5, out6, out7); + HSUB_UB4_SH(out0, out1, out2, out3, out0, out1, out2, out3); + HSUB_UB4_SH(out4, out5, out6, out7, out4, out5, out6, out7); + ST_SH8(out0, out1, out2, out3, out4, out5, out6, out7, block, 8); +} + +static void copy_8bit_to_16bit_width8_msa(const uint8_t *src, int32_t src_stride, + int16_t *dst, int32_t dst_stride, + int32_t height) +{ + uint8_t *dst_ptr; + int32_t cnt; + v16u8 src0, src1, src2, src3; + v16i8 zero = { 0 }; + + dst_ptr = (uint8_t *) dst; + + for (cnt = (height >> 2); cnt--;) { + LD_UB4(src, src_stride, src0, src1, src2, src3); + src += (4 * src_stride); + + ILVR_B4_UB(zero, src0, zero, src1, zero, src2, zero, src3, + src0, src1, src2, src3); + + ST_UB4(src0, src1, src2, src3, dst_ptr, (dst_stride * 2)); + dst_ptr += (4 * 2 * dst_stride); + } +} + +static void copy_16multx8mult_msa(const uint8_t *src, int32_t src_stride, + uint8_t *dst, int32_t dst_stride, + int32_t height, int32_t width) +{ + int32_t cnt, loop_cnt; + const uint8_t *src_tmp; + uint8_t *dst_tmp; + v16u8 src0, src1, src2, src3, src4, src5, src6, src7; + + for (cnt = (width >> 4); cnt--;) { + src_tmp = src; + dst_tmp = dst; + + for (loop_cnt = (height >> 3); loop_cnt--;) { + LD_UB8(src_tmp, src_stride, + src0, src1, src2, src3, src4, src5, src6, src7); + src_tmp += (8 * src_stride); + + ST_UB8(src0, src1, src2, src3, src4, src5, src6, src7, + dst_tmp, dst_stride); + dst_tmp += (8 * dst_stride); + } + + src += 16; + dst += 16; + } +} + +static void copy_width16_msa(const uint8_t *src, int32_t src_stride, + uint8_t *dst, int32_t dst_stride, + int32_t height) +{ + int32_t cnt; + v16u8 src0, src1, src2, src3, src4, src5, src6, src7; + + if (0 == height % 12) { + for (cnt = (height / 12); cnt--;) { + LD_UB8(src, src_stride, + src0, src1, src2, src3, src4, src5, src6, src7); + src += (8 * src_stride); + ST_UB8(src0, src1, src2, src3, src4, src5, src6, src7, + dst, dst_stride); + dst += (8 * dst_stride); + + LD_UB4(src, src_stride, src0, src1, src2, src3); + src += (4 * src_stride); + ST_UB4(src0, src1, src2, src3, dst, dst_stride); + dst += (4 * dst_stride); + } + } else if (0 == height % 8) { + copy_16multx8mult_msa(src, src_stride, dst, dst_stride, height, 16); + } else if (0 == height % 4) { + for (cnt = (height >> 2); cnt--;) { + LD_UB4(src, src_stride, src0, src1, src2, src3); + src += (4 * src_stride); + + ST_UB4(src0, src1, src2, src3, dst, dst_stride); + dst += (4 * dst_stride); + } + } +} + +void ff_get_pixels_16_msa(int16_t *av_restrict dest, const uint8_t *src, + ptrdiff_t stride) +{ + copy_width16_msa(src, stride, (uint8_t *) dest, 16, 8); +} + +void ff_get_pixels_8_msa(int16_t *av_restrict dest, const uint8_t *src, + ptrdiff_t stride) +{ + copy_8bit_to_16bit_width8_msa(src, stride, dest, 8, 8); +} + +void ff_diff_pixels_msa(int16_t *av_restrict block, const uint8_t *src1, + const uint8_t *src2, int stride) +{ + diff_pixels_msa(block, src1, src2, stride); +} |