mirror of https://github.com/FFmpeg/FFmpeg.git
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
135 lines
6.2 KiB
135 lines
6.2 KiB
/* |
|
* 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" |
|
#include "libavutil/mips/asmdefs.h" |
|
#include "libavutil/mips/mmiutils.h" |
|
|
|
void ff_get_pixels_8_mmi(int16_t *av_restrict block, const uint8_t *pixels, |
|
ptrdiff_t stride) |
|
{ |
|
double ftmp[7]; |
|
DECLARE_VAR_ALL64; |
|
DECLARE_VAR_ADDRT; |
|
|
|
__asm__ volatile ( |
|
"pxor %[ftmp0], %[ftmp0], %[ftmp0] \n\t" |
|
|
|
MMI_LDC1(%[ftmp1], %[pixels], 0x00) |
|
MMI_LDXC1(%[ftmp2], %[pixels], %[stride], 0x00) |
|
"punpcklbh %[ftmp3], %[ftmp1], %[ftmp0] \n\t" |
|
"punpckhbh %[ftmp4], %[ftmp1], %[ftmp0] \n\t" |
|
"punpcklbh %[ftmp5], %[ftmp2], %[ftmp0] \n\t" |
|
"punpckhbh %[ftmp6], %[ftmp2], %[ftmp0] \n\t" |
|
MMI_SDC1(%[ftmp3], %[block], 0x00) |
|
MMI_SDC1(%[ftmp4], %[block], 0x08) |
|
MMI_SDC1(%[ftmp5], %[block], 0x10) |
|
MMI_SDC1(%[ftmp6], %[block], 0x18) |
|
PTR_ADDU "%[pixels], %[pixels], %[stride_x2] \n\t" |
|
|
|
MMI_LDC1(%[ftmp1], %[pixels], 0x00) |
|
MMI_LDXC1(%[ftmp2], %[pixels], %[stride], 0x00) |
|
"punpcklbh %[ftmp3], %[ftmp1], %[ftmp0] \n\t" |
|
"punpckhbh %[ftmp4], %[ftmp1], %[ftmp0] \n\t" |
|
"punpcklbh %[ftmp5], %[ftmp2], %[ftmp0] \n\t" |
|
"punpckhbh %[ftmp6], %[ftmp2], %[ftmp0] \n\t" |
|
MMI_SDC1(%[ftmp3], %[block], 0x20) |
|
MMI_SDC1(%[ftmp4], %[block], 0x28) |
|
MMI_SDC1(%[ftmp5], %[block], 0x30) |
|
MMI_SDC1(%[ftmp6], %[block], 0x38) |
|
PTR_ADDU "%[pixels], %[pixels], %[stride_x2] \n\t" |
|
|
|
MMI_LDC1(%[ftmp1], %[pixels], 0x00) |
|
MMI_LDXC1(%[ftmp2], %[pixels], %[stride], 0x00) |
|
"punpcklbh %[ftmp3], %[ftmp1], %[ftmp0] \n\t" |
|
"punpckhbh %[ftmp4], %[ftmp1], %[ftmp0] \n\t" |
|
"punpcklbh %[ftmp5], %[ftmp2], %[ftmp0] \n\t" |
|
"punpckhbh %[ftmp6], %[ftmp2], %[ftmp0] \n\t" |
|
MMI_SDC1(%[ftmp3], %[block], 0x40) |
|
MMI_SDC1(%[ftmp4], %[block], 0x48) |
|
MMI_SDC1(%[ftmp5], %[block], 0x50) |
|
MMI_SDC1(%[ftmp6], %[block], 0x58) |
|
PTR_ADDU "%[pixels], %[pixels], %[stride_x2] \n\t" |
|
|
|
MMI_LDC1(%[ftmp1], %[pixels], 0x00) |
|
MMI_LDXC1(%[ftmp2], %[pixels], %[stride], 0x00) |
|
"punpcklbh %[ftmp3], %[ftmp1], %[ftmp0] \n\t" |
|
"punpckhbh %[ftmp4], %[ftmp1], %[ftmp0] \n\t" |
|
"punpcklbh %[ftmp5], %[ftmp2], %[ftmp0] \n\t" |
|
"punpckhbh %[ftmp6], %[ftmp2], %[ftmp0] \n\t" |
|
MMI_SDC1(%[ftmp3], %[block], 0x60) |
|
MMI_SDC1(%[ftmp4], %[block], 0x68) |
|
MMI_SDC1(%[ftmp5], %[block], 0x70) |
|
MMI_SDC1(%[ftmp6], %[block], 0x78) |
|
: [ftmp0]"=&f"(ftmp[0]), [ftmp1]"=&f"(ftmp[1]), |
|
[ftmp2]"=&f"(ftmp[2]), [ftmp3]"=&f"(ftmp[3]), |
|
[ftmp4]"=&f"(ftmp[4]), [ftmp5]"=&f"(ftmp[5]), |
|
[ftmp6]"=&f"(ftmp[6]), |
|
RESTRICT_ASM_ALL64 |
|
RESTRICT_ASM_ADDRT |
|
[pixels]"+&r"(pixels) |
|
: [block]"r"((mips_reg)block), [stride]"r"((mips_reg)stride), |
|
[stride_x2]"r"((mips_reg)(stride<<1)) |
|
: "memory" |
|
); |
|
} |
|
|
|
void ff_diff_pixels_mmi(int16_t *av_restrict block, const uint8_t *src1, |
|
const uint8_t *src2, ptrdiff_t stride) |
|
{ |
|
double ftmp[5]; |
|
mips_reg tmp[1]; |
|
DECLARE_VAR_ALL64; |
|
|
|
__asm__ volatile ( |
|
"li %[tmp0], 0x08 \n\t" |
|
"pxor %[ftmp4], %[ftmp4], %[ftmp4] \n\t" |
|
"1: \n\t" |
|
MMI_LDC1(%[ftmp0], %[src1], 0x00) |
|
"por %[ftmp1], %[ftmp0], %[ftmp0] \n\t" |
|
MMI_LDC1(%[ftmp2], %[src2], 0x00) |
|
"por %[ftmp3], %[ftmp2], %[ftmp2] \n\t" |
|
"punpcklbh %[ftmp0], %[ftmp0], %[ftmp4] \n\t" |
|
"punpckhbh %[ftmp1], %[ftmp1], %[ftmp4] \n\t" |
|
"punpcklbh %[ftmp2], %[ftmp2], %[ftmp4] \n\t" |
|
"punpckhbh %[ftmp3], %[ftmp3], %[ftmp4] \n\t" |
|
"psubh %[ftmp0], %[ftmp0], %[ftmp2] \n\t" |
|
"psubh %[ftmp1], %[ftmp1], %[ftmp3] \n\t" |
|
MMI_SDC1(%[ftmp0], %[block], 0x00) |
|
MMI_SDC1(%[ftmp1], %[block], 0x08) |
|
PTR_ADDI "%[tmp0], %[tmp0], -0x01 \n\t" |
|
PTR_ADDIU "%[block], %[block], 0x10 \n\t" |
|
PTR_ADDU "%[src1], %[src1], %[stride] \n\t" |
|
PTR_ADDU "%[src2], %[src2], %[stride] \n\t" |
|
"bgtz %[tmp0], 1b \n\t" |
|
: [ftmp0]"=&f"(ftmp[0]), [ftmp1]"=&f"(ftmp[1]), |
|
[ftmp2]"=&f"(ftmp[2]), [ftmp3]"=&f"(ftmp[3]), |
|
[ftmp4]"=&f"(ftmp[4]), |
|
[tmp0]"=&r"(tmp[0]), |
|
RESTRICT_ASM_ALL64 |
|
[block]"+&r"(block), [src1]"+&r"(src1), |
|
[src2]"+&r"(src2) |
|
: [stride]"r"((mips_reg)stride) |
|
: "memory" |
|
); |
|
}
|
|
|