diff options
Diffstat (limited to 'libavcodec/mips/pixblockdsp_mmi.c')
| -rw-r--r-- | libavcodec/mips/pixblockdsp_mmi.c | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/libavcodec/mips/pixblockdsp_mmi.c b/libavcodec/mips/pixblockdsp_mmi.c new file mode 100644 index 0000000000..30631d8035 --- /dev/null +++ b/libavcodec/mips/pixblockdsp_mmi.c @@ -0,0 +1,79 @@ +/* + * Loongson SIMD optimized pixblockdsp + * + * Copyright (c) 2015 Loongson Technology Corporation Limited + * Copyright (c) 2015 Zhou Xiaoyong <zhouxiaoyong@loongson.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 "pixblockdsp_mips.h" + +void ff_get_pixels_8_mmi(int16_t *av_restrict block, const uint8_t *pixels, + ptrdiff_t line_size) +{ + __asm__ volatile ( + "move $8, $0 \n\t" + "xor $f0, $f0, $f0 \n\t" + "1: \n\t" + "gsldlc1 $f2, 7(%1) \n\t" + "gsldrc1 $f2, 0(%1) \n\t" + "punpcklbh $f4, $f2, $f0 \n\t" + "punpckhbh $f6, $f2, $f0 \n\t" + "gssdxc1 $f4, 0(%0, $8) \n\t" + "gssdxc1 $f6, 8(%0, $8) \n\t" + "daddiu $8, $8, 16 \n\t" + "daddu %1, %1, %2 \n\t" + "daddi %3, %3, -1 \n\t" + "bnez %3, 1b \n\t" + ::"r"((uint8_t *)block),"r"(pixels),"r"(line_size),"r"(8) + : "$8","memory" + ); +} + +void ff_diff_pixels_mmi(int16_t *av_restrict block, const uint8_t *src1, + const uint8_t *src2, int stride) +{ + __asm__ volatile ( + "dli $2, 8 \n\t" + "xor $f14, $f14, $f14 \n\t" + "1: \n\t" + "gsldlc1 $f0, 7(%1) \n\t" + "gsldrc1 $f0, 0(%1) \n\t" + "or $f2, $f0, $f0 \n\t" + "gsldlc1 $f4, 7(%2) \n\t" + "gsldrc1 $f4, 0(%2) \n\t" + "or $f6, $f4, $f4 \n\t" + "punpcklbh $f0, $f0, $f14 \n\t" + "punpckhbh $f2, $f2, $f14 \n\t" + "punpcklbh $f4, $f4, $f14 \n\t" + "punpckhbh $f6, $f6, $f14 \n\t" + "psubh $f0, $f0, $f4 \n\t" + "psubh $f2, $f2, $f6 \n\t" + "gssdlc1 $f0, 7(%0) \n\t" + "gssdrc1 $f0, 0(%0) \n\t" + "gssdlc1 $f2, 15(%0) \n\t" + "gssdrc1 $f2, 8(%0) \n\t" + "daddi %0, %0, 16 \n\t" + "daddu %1, %1, %3 \n\t" + "daddu %2, %2, %3 \n\t" + "daddi $2, $2, -1 \n\t" + "bgtz $2, 1b \n\t" + ::"r"(block),"r"(src1),"r"(src2),"r"(stride) + : "$2","memory" + ); +} |