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.
226 lines
11 KiB
226 lines
11 KiB
/* |
|
* Copyright (c) 2012 |
|
* MIPS Technologies, Inc., California. |
|
* |
|
* Redistribution and use in source and binary forms, with or without |
|
* modification, are permitted provided that the following conditions |
|
* are met: |
|
* 1. Redistributions of source code must retain the above copyright |
|
* notice, this list of conditions and the following disclaimer. |
|
* 2. Redistributions in binary form must reproduce the above copyright |
|
* notice, this list of conditions and the following disclaimer in the |
|
* documentation and/or other materials provided with the distribution. |
|
* 3. Neither the name of the MIPS Technologies, Inc., nor the names of its |
|
* contributors may be used to endorse or promote products derived from |
|
* this software without specific prior written permission. |
|
* |
|
* THIS SOFTWARE IS PROVIDED BY THE MIPS TECHNOLOGIES, INC. ``AS IS'' AND |
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE MIPS TECHNOLOGIES, INC. BE LIABLE |
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
|
* SUCH DAMAGE. |
|
* |
|
* Author: Branimir Vasic (bvasic@mips.com) |
|
* Author: Zoran Lukic (zoranl@mips.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 |
|
*/ |
|
|
|
/** |
|
* @file |
|
* Reference: libavutil/float_dsp.c |
|
*/ |
|
|
|
#include "config.h" |
|
#include "libavutil/float_dsp.h" |
|
|
|
#if HAVE_INLINE_ASM && HAVE_MIPSFPU |
|
static void vector_fmul_mips(float *dst, const float *src0, const float *src1, |
|
int len) |
|
{ |
|
int i; |
|
|
|
if (len & 3) { |
|
for (i = 0; i < len; i++) |
|
dst[i] = src0[i] * src1[i]; |
|
} else { |
|
float *d = (float *)dst; |
|
float *d_end = d + len; |
|
float *s0 = (float *)src0; |
|
float *s1 = (float *)src1; |
|
|
|
float src0_0, src0_1, src0_2, src0_3; |
|
float src1_0, src1_1, src1_2, src1_3; |
|
|
|
__asm__ volatile ( |
|
"1: \n\t" |
|
"lwc1 %[src0_0], 0(%[s0]) \n\t" |
|
"lwc1 %[src1_0], 0(%[s1]) \n\t" |
|
"lwc1 %[src0_1], 4(%[s0]) \n\t" |
|
"lwc1 %[src1_1], 4(%[s1]) \n\t" |
|
"lwc1 %[src0_2], 8(%[s0]) \n\t" |
|
"lwc1 %[src1_2], 8(%[s1]) \n\t" |
|
"lwc1 %[src0_3], 12(%[s0]) \n\t" |
|
"lwc1 %[src1_3], 12(%[s1]) \n\t" |
|
"mul.s %[src0_0], %[src0_0], %[src1_0] \n\t" |
|
"mul.s %[src0_1], %[src0_1], %[src1_1] \n\t" |
|
"mul.s %[src0_2], %[src0_2], %[src1_2] \n\t" |
|
"mul.s %[src0_3], %[src0_3], %[src1_3] \n\t" |
|
"swc1 %[src0_0], 0(%[d]) \n\t" |
|
"swc1 %[src0_1], 4(%[d]) \n\t" |
|
"swc1 %[src0_2], 8(%[d]) \n\t" |
|
"swc1 %[src0_3], 12(%[d]) \n\t" |
|
"addiu %[s0], %[s0], 16 \n\t" |
|
"addiu %[s1], %[s1], 16 \n\t" |
|
"addiu %[d], %[d], 16 \n\t" |
|
"bne %[d], %[d_end], 1b \n\t" |
|
|
|
: [src0_0]"=&f"(src0_0), [src0_1]"=&f"(src0_1), |
|
[src0_2]"=&f"(src0_2), [src0_3]"=&f"(src0_3), |
|
[src1_0]"=&f"(src1_0), [src1_1]"=&f"(src1_1), |
|
[src1_2]"=&f"(src1_2), [src1_3]"=&f"(src1_3), |
|
[d]"+r"(d), [s0]"+r"(s0), [s1]"+r"(s1) |
|
: [d_end]"r"(d_end) |
|
: "memory" |
|
); |
|
} |
|
} |
|
|
|
static void vector_fmul_window_mips(float *dst, const float *src0, |
|
const float *src1, const float *win, int len) |
|
{ |
|
int i, j; |
|
/* |
|
* variables used in inline assembler |
|
*/ |
|
float * dst_i, * dst_j, * dst_i2, * dst_j2; |
|
float temp, temp1, temp2, temp3, temp4, temp5, temp6, temp7; |
|
|
|
dst += len; |
|
win += len; |
|
src0 += len; |
|
|
|
for (i = -len, j = len - 1; i < 0; i += 8, j -= 8) { |
|
|
|
dst_i = dst + i; |
|
dst_j = dst + j; |
|
|
|
dst_i2 = dst + i + 4; |
|
dst_j2 = dst + j - 4; |
|
|
|
__asm__ volatile ( |
|
"mul.s %[temp], %[s1], %[wi] \n\t" |
|
"mul.s %[temp1], %[s1], %[wj] \n\t" |
|
"mul.s %[temp2], %[s11], %[wi1] \n\t" |
|
"mul.s %[temp3], %[s11], %[wj1] \n\t" |
|
|
|
"msub.s %[temp], %[temp], %[s0], %[wj] \n\t" |
|
"madd.s %[temp1], %[temp1], %[s0], %[wi] \n\t" |
|
"msub.s %[temp2], %[temp2], %[s01], %[wj1] \n\t" |
|
"madd.s %[temp3], %[temp3], %[s01], %[wi1] \n\t" |
|
|
|
"swc1 %[temp], 0(%[dst_i]) \n\t" /* dst[i] = s0*wj - s1*wi; */ |
|
"swc1 %[temp1], 0(%[dst_j]) \n\t" /* dst[j] = s0*wi + s1*wj; */ |
|
"swc1 %[temp2], 4(%[dst_i]) \n\t" /* dst[i+1] = s01*wj1 - s11*wi1; */ |
|
"swc1 %[temp3], -4(%[dst_j]) \n\t" /* dst[j-1] = s01*wi1 + s11*wj1; */ |
|
|
|
"mul.s %[temp4], %[s12], %[wi2] \n\t" |
|
"mul.s %[temp5], %[s12], %[wj2] \n\t" |
|
"mul.s %[temp6], %[s13], %[wi3] \n\t" |
|
"mul.s %[temp7], %[s13], %[wj3] \n\t" |
|
|
|
"msub.s %[temp4], %[temp4], %[s02], %[wj2] \n\t" |
|
"madd.s %[temp5], %[temp5], %[s02], %[wi2] \n\t" |
|
"msub.s %[temp6], %[temp6], %[s03], %[wj3] \n\t" |
|
"madd.s %[temp7], %[temp7], %[s03], %[wi3] \n\t" |
|
|
|
"swc1 %[temp4], 8(%[dst_i]) \n\t" /* dst[i+2] = s02*wj2 - s12*wi2; */ |
|
"swc1 %[temp5], -8(%[dst_j]) \n\t" /* dst[j-2] = s02*wi2 + s12*wj2; */ |
|
"swc1 %[temp6], 12(%[dst_i]) \n\t" /* dst[i+2] = s03*wj3 - s13*wi3; */ |
|
"swc1 %[temp7], -12(%[dst_j]) \n\t" /* dst[j-3] = s03*wi3 + s13*wj3; */ |
|
: [temp]"=&f"(temp), [temp1]"=&f"(temp1), [temp2]"=&f"(temp2), |
|
[temp3]"=&f"(temp3), [temp4]"=&f"(temp4), [temp5]"=&f"(temp5), |
|
[temp6]"=&f"(temp6), [temp7]"=&f"(temp7) |
|
: [dst_j]"r"(dst_j), [dst_i]"r" (dst_i), |
|
[s0] "f"(src0[i]), [wj] "f"(win[j]), [s1] "f"(src1[j]), |
|
[wi] "f"(win[i]), [s01]"f"(src0[i + 1]),[wj1]"f"(win[j - 1]), |
|
[s11]"f"(src1[j - 1]), [wi1]"f"(win[i + 1]), [s02]"f"(src0[i + 2]), |
|
[wj2]"f"(win[j - 2]), [s12]"f"(src1[j - 2]),[wi2]"f"(win[i + 2]), |
|
[s03]"f"(src0[i + 3]), [wj3]"f"(win[j - 3]), [s13]"f"(src1[j - 3]), |
|
[wi3]"f"(win[i + 3]) |
|
: "memory" |
|
); |
|
|
|
__asm__ volatile ( |
|
"mul.s %[temp], %[s1], %[wi] \n\t" |
|
"mul.s %[temp1], %[s1], %[wj] \n\t" |
|
"mul.s %[temp2], %[s11], %[wi1] \n\t" |
|
"mul.s %[temp3], %[s11], %[wj1] \n\t" |
|
|
|
"msub.s %[temp], %[temp], %[s0], %[wj] \n\t" |
|
"madd.s %[temp1], %[temp1], %[s0], %[wi] \n\t" |
|
"msub.s %[temp2], %[temp2], %[s01], %[wj1] \n\t" |
|
"madd.s %[temp3], %[temp3], %[s01], %[wi1] \n\t" |
|
|
|
"swc1 %[temp], 0(%[dst_i2]) \n\t" /* dst[i] = s0*wj - s1*wi; */ |
|
"swc1 %[temp1], 0(%[dst_j2]) \n\t" /* dst[j] = s0*wi + s1*wj; */ |
|
"swc1 %[temp2], 4(%[dst_i2]) \n\t" /* dst[i+1] = s01*wj1 - s11*wi1; */ |
|
"swc1 %[temp3], -4(%[dst_j2]) \n\t" /* dst[j-1] = s01*wi1 + s11*wj1; */ |
|
|
|
"mul.s %[temp4], %[s12], %[wi2] \n\t" |
|
"mul.s %[temp5], %[s12], %[wj2] \n\t" |
|
"mul.s %[temp6], %[s13], %[wi3] \n\t" |
|
"mul.s %[temp7], %[s13], %[wj3] \n\t" |
|
|
|
"msub.s %[temp4], %[temp4], %[s02], %[wj2] \n\t" |
|
"madd.s %[temp5], %[temp5], %[s02], %[wi2] \n\t" |
|
"msub.s %[temp6], %[temp6], %[s03], %[wj3] \n\t" |
|
"madd.s %[temp7], %[temp7], %[s03], %[wi3] \n\t" |
|
|
|
"swc1 %[temp4], 8(%[dst_i2]) \n\t" /* dst[i+2] = s02*wj2 - s12*wi2; */ |
|
"swc1 %[temp5], -8(%[dst_j2]) \n\t" /* dst[j-2] = s02*wi2 + s12*wj2; */ |
|
"swc1 %[temp6], 12(%[dst_i2]) \n\t" /* dst[i+2] = s03*wj3 - s13*wi3; */ |
|
"swc1 %[temp7], -12(%[dst_j2]) \n\t" /* dst[j-3] = s03*wi3 + s13*wj3; */ |
|
: [temp]"=&f"(temp), |
|
[temp1]"=&f"(temp1), [temp2]"=&f"(temp2), [temp3]"=&f"(temp3), |
|
[temp4]"=&f"(temp4), [temp5]"=&f"(temp5), [temp6]"=&f"(temp6), |
|
[temp7] "=&f" (temp7) |
|
: [dst_j2]"r"(dst_j2), [dst_i2]"r"(dst_i2), |
|
[s0] "f"(src0[i + 4]), [wj] "f"(win[j - 4]), [s1] "f"(src1[j - 4]), |
|
[wi] "f"(win[i + 4]), [s01]"f"(src0[i + 5]),[wj1]"f"(win[j - 5]), |
|
[s11]"f"(src1[j - 5]), [wi1]"f"(win[i + 5]), [s02]"f"(src0[i + 6]), |
|
[wj2]"f"(win[j - 6]), [s12]"f"(src1[j - 6]),[wi2]"f"(win[i + 6]), |
|
[s03]"f"(src0[i + 7]), [wj3]"f"(win[j - 7]), [s13]"f"(src1[j - 7]), |
|
[wi3]"f"(win[i + 7]) |
|
: "memory" |
|
); |
|
} |
|
} |
|
#endif /* HAVE_INLINE_ASM && HAVE_MIPSFPU */ |
|
|
|
void ff_float_dsp_init_mips(AVFloatDSPContext *fdsp) { |
|
#if HAVE_INLINE_ASM && HAVE_MIPSFPU |
|
fdsp->vector_fmul = vector_fmul_mips; |
|
fdsp->vector_fmul_window = vector_fmul_window_mips; |
|
#endif /* HAVE_INLINE_ASM && HAVE_MIPSFPU */ |
|
}
|
|
|