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FFmpeg/libavcodec/mips/aacpsdsp_mips.c

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mips: optimization for float aac decoder (ps module) Signed-off-by: Mirjana Vulin <mvulin@mips.com> Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2013-02-21 16:46:53 +03:00
/*
* 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.
*
* Authors: Darko Laus (darko@mips.com)
* Djordje Pesut (djordje@mips.com)
* Mirjana Vulin (mvulin@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: libavcodec/aacpsdsp.c
*/
#include "config.h"
#include "libavcodec/aacpsdsp.h"
#if HAVE_INLINE_ASM
static void ps_hybrid_analysis_ileave_mips(float (*out)[32][2], float L[2][38][64],
int i, int len)
{
int temp0, temp1, temp2, temp3;
int temp4, temp5, temp6, temp7;
float *out1=&out[i][0][0];
float *L1=&L[0][0][i];
float *j=out1+ len*2;
for (; i < 64; i++) {
/* loop unrolled 8 times */
__asm__ volatile (
"1: \n\t"
"lw %[temp0], 0(%[L1]) \n\t"
"lw %[temp1], 9728(%[L1]) \n\t"
"lw %[temp2], 256(%[L1]) \n\t"
"lw %[temp3], 9984(%[L1]) \n\t"
"lw %[temp4], 512(%[L1]) \n\t"
"lw %[temp5], 10240(%[L1]) \n\t"
"lw %[temp6], 768(%[L1]) \n\t"
"lw %[temp7], 10496(%[L1]) \n\t"
"sw %[temp0], 0(%[out1]) \n\t"
"sw %[temp1], 4(%[out1]) \n\t"
"sw %[temp2], 8(%[out1]) \n\t"
"sw %[temp3], 12(%[out1]) \n\t"
"sw %[temp4], 16(%[out1]) \n\t"
"sw %[temp5], 20(%[out1]) \n\t"
"sw %[temp6], 24(%[out1]) \n\t"
"sw %[temp7], 28(%[out1]) \n\t"
"addiu %[out1], %[out1], 32 \n\t"
"addiu %[L1], %[L1], 1024 \n\t"
"bne %[out1], %[j], 1b \n\t"
: [out1]"+r"(out1), [L1]"+r"(L1), [j]"+r"(j),
[temp0]"=&r"(temp0), [temp1]"=&r"(temp1),
[temp2]"=&r"(temp2), [temp3]"=&r"(temp3),
[temp4]"=&r"(temp4), [temp5]"=&r"(temp5),
[temp6]"=&r"(temp6), [temp7]"=&r"(temp7)
: [len]"r"(len)
: "memory"
);
out1-=(len<<1)-64;
L1-=(len<<6)-1;
j+=len*2;
}
}
static void ps_hybrid_synthesis_deint_mips(float out[2][38][64],
float (*in)[32][2],
int i, int len)
{
int n;
int temp0, temp1, temp2, temp3, temp4, temp5, temp6, temp7;
float *out1 = (float*)out + i;
float *out2 = (float*)out + 2432 + i;
float *in1 = (float*)in + 64 * i;
float *in2 = (float*)in + 64 * i + 1;
for (; i < 64; i++) {
for (n = 0; n < 7; n++) {
/* loop unrolled 8 times */
__asm__ volatile (
"lw %[temp0], 0(%[in1]) \n\t"
"lw %[temp1], 0(%[in2]) \n\t"
"lw %[temp2], 8(%[in1]) \n\t"
"lw %[temp3], 8(%[in2]) \n\t"
"lw %[temp4], 16(%[in1]) \n\t"
"lw %[temp5], 16(%[in2]) \n\t"
"lw %[temp6], 24(%[in1]) \n\t"
"lw %[temp7], 24(%[in2]) \n\t"
"addiu %[out1], %[out1], 1024 \n\t"
"addiu %[out2], %[out2], 1024 \n\t"
"addiu %[in1], %[in1], 32 \n\t"
"addiu %[in2], %[in2], 32 \n\t"
"sw %[temp0], -1024(%[out1]) \n\t"
"sw %[temp1], -1024(%[out2]) \n\t"
"sw %[temp2], -768(%[out1]) \n\t"
"sw %[temp3], -768(%[out2]) \n\t"
"sw %[temp4], -512(%[out1]) \n\t"
"sw %[temp5], -512(%[out2]) \n\t"
"sw %[temp6], -256(%[out1]) \n\t"
"sw %[temp7], -256(%[out2]) \n\t"
: [temp0]"=&r"(temp0), [temp1]"=&r"(temp1),
[temp2]"=&r"(temp2), [temp3]"=&r"(temp3),
[temp4]"=&r"(temp4), [temp5]"=&r"(temp5),
[temp6]"=&r"(temp6), [temp7]"=&r"(temp7),
[out1]"+r"(out1), [out2]"+r"(out2),
[in1]"+r"(in1), [in2]"+r"(in2)
:
: "memory"
);
}
/* loop unrolled 8 times */
__asm__ volatile (
"lw %[temp0], 0(%[in1]) \n\t"
"lw %[temp1], 0(%[in2]) \n\t"
"lw %[temp2], 8(%[in1]) \n\t"
"lw %[temp3], 8(%[in2]) \n\t"
"lw %[temp4], 16(%[in1]) \n\t"
"lw %[temp5], 16(%[in2]) \n\t"
"lw %[temp6], 24(%[in1]) \n\t"
"lw %[temp7], 24(%[in2]) \n\t"
"addiu %[out1], %[out1], -7164 \n\t"
"addiu %[out2], %[out2], -7164 \n\t"
"addiu %[in1], %[in1], 32 \n\t"
"addiu %[in2], %[in2], 32 \n\t"
"sw %[temp0], 7164(%[out1]) \n\t"
"sw %[temp1], 7164(%[out2]) \n\t"
"sw %[temp2], 7420(%[out1]) \n\t"
"sw %[temp3], 7420(%[out2]) \n\t"
"sw %[temp4], 7676(%[out1]) \n\t"
"sw %[temp5], 7676(%[out2]) \n\t"
"sw %[temp6], 7932(%[out1]) \n\t"
"sw %[temp7], 7932(%[out2]) \n\t"
: [temp0]"=&r"(temp0), [temp1]"=&r"(temp1),
[temp2]"=&r"(temp2), [temp3]"=&r"(temp3),
[temp4]"=&r"(temp4), [temp5]"=&r"(temp5),
[temp6]"=&r"(temp6), [temp7]"=&r"(temp7),
[out1]"+r"(out1), [out2]"+r"(out2),
[in1]"+r"(in1), [in2]"+r"(in2)
:
: "memory"
);
}
}
#if HAVE_MIPSFPU
static void ps_add_squares_mips(float *dst, const float (*src)[2], int n)
{
int i;
float temp0, temp1, temp2, temp3, temp4, temp5;
float temp6, temp7, temp8, temp9, temp10, temp11;
float *src0 = (float*)&src[0][0];
float *dst0 = &dst[0];
for (i = 0; i < 8; i++) {
/* loop unrolled 4 times */
__asm__ volatile (
"lwc1 %[temp0], 0(%[src0]) \n\t"
"lwc1 %[temp1], 4(%[src0]) \n\t"
"lwc1 %[temp2], 8(%[src0]) \n\t"
"lwc1 %[temp3], 12(%[src0]) \n\t"
"lwc1 %[temp4], 16(%[src0]) \n\t"
"lwc1 %[temp5], 20(%[src0]) \n\t"
"lwc1 %[temp6], 24(%[src0]) \n\t"
"lwc1 %[temp7], 28(%[src0]) \n\t"
"lwc1 %[temp8], 0(%[dst0]) \n\t"
"lwc1 %[temp9], 4(%[dst0]) \n\t"
"lwc1 %[temp10], 8(%[dst0]) \n\t"
"lwc1 %[temp11], 12(%[dst0]) \n\t"
"mul.s %[temp1], %[temp1], %[temp1] \n\t"
"mul.s %[temp3], %[temp3], %[temp3] \n\t"
"mul.s %[temp5], %[temp5], %[temp5] \n\t"
"mul.s %[temp7], %[temp7], %[temp7] \n\t"
"madd.s %[temp0], %[temp1], %[temp0], %[temp0] \n\t"
"madd.s %[temp2], %[temp3], %[temp2], %[temp2] \n\t"
"madd.s %[temp4], %[temp5], %[temp4], %[temp4] \n\t"
"madd.s %[temp6], %[temp7], %[temp6], %[temp6] \n\t"
"add.s %[temp0], %[temp8], %[temp0] \n\t"
"add.s %[temp2], %[temp9], %[temp2] \n\t"
"add.s %[temp4], %[temp10], %[temp4] \n\t"
"add.s %[temp6], %[temp11], %[temp6] \n\t"
"swc1 %[temp0], 0(%[dst0]) \n\t"
"swc1 %[temp2], 4(%[dst0]) \n\t"
"swc1 %[temp4], 8(%[dst0]) \n\t"
"swc1 %[temp6], 12(%[dst0]) \n\t"
"addiu %[dst0], %[dst0], 16 \n\t"
"addiu %[src0], %[src0], 32 \n\t"
: [temp0]"=&f"(temp0), [temp1]"=&f"(temp1), [temp2]"=&f"(temp2),
[temp3]"=&f"(temp3), [temp4]"=&f"(temp4), [temp5]"=&f"(temp5),
[temp6]"=&f"(temp6), [temp7]"=&f"(temp7), [temp8]"=&f"(temp8),
[temp9]"=&f"(temp9), [dst0]"+r"(dst0), [src0]"+r"(src0),
[temp10]"=&f"(temp10), [temp11]"=&f"(temp11)
:
: "memory"
);
}
}
static void ps_mul_pair_single_mips(float (*dst)[2], float (*src0)[2], float *src1,
int n)
{
float temp0, temp1, temp2;
float *p_d, *p_s0, *p_s1, *end;
p_d = &dst[0][0];
p_s0 = &src0[0][0];
p_s1 = &src1[0];
end = p_s1 + n;
__asm__ volatile(
".set push \n\t"
".set noreorder \n\t"
"1: \n\t"
"lwc1 %[temp2], 0(%[p_s1]) \n\t"
"lwc1 %[temp0], 0(%[p_s0]) \n\t"
"lwc1 %[temp1], 4(%[p_s0]) \n\t"
"addiu %[p_d], %[p_d], 8 \n\t"
"mul.s %[temp0], %[temp0], %[temp2] \n\t"
"mul.s %[temp1], %[temp1], %[temp2] \n\t"
"addiu %[p_s0], %[p_s0], 8 \n\t"
"swc1 %[temp0], -8(%[p_d]) \n\t"
"swc1 %[temp1], -4(%[p_d]) \n\t"
"bne %[p_s1], %[end], 1b \n\t"
" addiu %[p_s1], %[p_s1], 4 \n\t"
".set pop \n\t"
: [temp0]"=&f"(temp0), [temp1]"=&f"(temp1),
[temp2]"=&f"(temp2), [p_d]"+r"(p_d),
[p_s0]"+r"(p_s0), [p_s1]"+r"(p_s1)
: [end]"r"(end)
: "memory"
);
}
static void ps_decorrelate_mips(float (*out)[2], float (*delay)[2],
float (*ap_delay)[PS_QMF_TIME_SLOTS + PS_MAX_AP_DELAY][2],
const float phi_fract[2], float (*Q_fract)[2],
const float *transient_gain,
float g_decay_slope,
int len)
{
float *p_delay = &delay[0][0];
float *p_out = &out[0][0];
float *p_ap_delay = &ap_delay[0][0][0];
float *p_t_gain = (float*)transient_gain;
float *p_Q_fract = &Q_fract[0][0];
float ag0, ag1, ag2;
float phi_fract0 = phi_fract[0];
float phi_fract1 = phi_fract[1];
float temp0, temp1, temp2, temp3, temp4, temp5, temp6, temp7, temp8, temp9;
len = (int)((int*)p_delay + (len << 1));
/* merged 2 loops */
__asm__ volatile(
".set push \n\t"
".set noreorder \n\t"
"li.s %[ag0], 0.65143905753106 \n\t"
"li.s %[ag1], 0.56471812200776 \n\t"
"li.s %[ag2], 0.48954165955695 \n\t"
"mul.s %[ag0], %[ag0], %[g_decay_slope] \n\t"
"mul.s %[ag1], %[ag1], %[g_decay_slope] \n\t"
"mul.s %[ag2], %[ag2], %[g_decay_slope] \n\t"
"1: \n\t"
"lwc1 %[temp0], 0(%[p_delay]) \n\t"
"lwc1 %[temp1], 4(%[p_delay]) \n\t"
"lwc1 %[temp4], 16(%[p_ap_delay]) \n\t"
"lwc1 %[temp5], 20(%[p_ap_delay]) \n\t"
"mul.s %[temp3], %[temp0], %[phi_fract1] \n\t"
"lwc1 %[temp6], 0(%[p_Q_fract]) \n\t"
"mul.s %[temp2], %[temp1], %[phi_fract1] \n\t"
"lwc1 %[temp7], 4(%[p_Q_fract]) \n\t"
"madd.s %[temp3], %[temp3], %[temp1], %[phi_fract0] \n\t"
"msub.s %[temp2], %[temp2], %[temp0], %[phi_fract0] \n\t"
"mul.s %[temp8], %[temp5], %[temp7] \n\t"
"mul.s %[temp9], %[temp4], %[temp7] \n\t"
"lwc1 %[temp7], 12(%[p_Q_fract]) \n\t"
"mul.s %[temp0], %[ag0], %[temp2] \n\t"
"mul.s %[temp1], %[ag0], %[temp3] \n\t"
"msub.s %[temp8], %[temp8], %[temp4], %[temp6] \n\t"
"lwc1 %[temp4], 304(%[p_ap_delay]) \n\t"
"madd.s %[temp9], %[temp9], %[temp5], %[temp6] \n\t"
"lwc1 %[temp5], 308(%[p_ap_delay]) \n\t"
"sub.s %[temp0], %[temp8], %[temp0] \n\t"
"sub.s %[temp1], %[temp9], %[temp1] \n\t"
"madd.s %[temp2], %[temp2], %[ag0], %[temp0] \n\t"
"lwc1 %[temp6], 8(%[p_Q_fract]) \n\t"
"madd.s %[temp3], %[temp3], %[ag0], %[temp1] \n\t"
"mul.s %[temp8], %[temp5], %[temp7] \n\t"
"mul.s %[temp9], %[temp4], %[temp7] \n\t"
"lwc1 %[temp7], 20(%[p_Q_fract]) \n\t"
"msub.s %[temp8], %[temp8], %[temp4], %[temp6] \n\t"
"swc1 %[temp2], 40(%[p_ap_delay]) \n\t"
"mul.s %[temp2], %[ag1], %[temp0] \n\t"
"swc1 %[temp3], 44(%[p_ap_delay]) \n\t"
"mul.s %[temp3], %[ag1], %[temp1] \n\t"
"lwc1 %[temp4], 592(%[p_ap_delay]) \n\t"
"madd.s %[temp9], %[temp9], %[temp5], %[temp6] \n\t"
"lwc1 %[temp5], 596(%[p_ap_delay]) \n\t"
"sub.s %[temp2], %[temp8], %[temp2] \n\t"
"sub.s %[temp3], %[temp9], %[temp3] \n\t"
"lwc1 %[temp6], 16(%[p_Q_fract]) \n\t"
"madd.s %[temp0], %[temp0], %[ag1], %[temp2] \n\t"
"madd.s %[temp1], %[temp1], %[ag1], %[temp3] \n\t"
"mul.s %[temp8], %[temp5], %[temp7] \n\t"
"mul.s %[temp9], %[temp4], %[temp7] \n\t"
"msub.s %[temp8], %[temp8], %[temp4], %[temp6] \n\t"
"madd.s %[temp9], %[temp9], %[temp5], %[temp6] \n\t"
"swc1 %[temp0], 336(%[p_ap_delay]) \n\t"
"mul.s %[temp0], %[ag2], %[temp2] \n\t"
"swc1 %[temp1], 340(%[p_ap_delay]) \n\t"
"mul.s %[temp1], %[ag2], %[temp3] \n\t"
"lwc1 %[temp4], 0(%[p_t_gain]) \n\t"
"sub.s %[temp0], %[temp8], %[temp0] \n\t"
"addiu %[p_ap_delay], %[p_ap_delay], 8 \n\t"
"sub.s %[temp1], %[temp9], %[temp1] \n\t"
"addiu %[p_t_gain], %[p_t_gain], 4 \n\t"
"madd.s %[temp2], %[temp2], %[ag2], %[temp0] \n\t"
"addiu %[p_delay], %[p_delay], 8 \n\t"
"madd.s %[temp3], %[temp3], %[ag2], %[temp1] \n\t"
"addiu %[p_out], %[p_out], 8 \n\t"
"mul.s %[temp5], %[temp4], %[temp0] \n\t"
"mul.s %[temp6], %[temp4], %[temp1] \n\t"
"swc1 %[temp2], 624(%[p_ap_delay]) \n\t"
"swc1 %[temp3], 628(%[p_ap_delay]) \n\t"
"swc1 %[temp5], -8(%[p_out]) \n\t"
"swc1 %[temp6], -4(%[p_out]) \n\t"
"bne %[p_delay], %[len], 1b \n\t"
" swc1 %[temp6], -4(%[p_out]) \n\t"
".set pop \n\t"
: [temp0]"=&f"(temp0), [temp1]"=&f"(temp1), [temp2]"=&f"(temp2),
[temp3]"=&f"(temp3), [temp4]"=&f"(temp4), [temp5]"=&f"(temp5),
[temp6]"=&f"(temp6), [temp7]"=&f"(temp7), [temp8]"=&f"(temp8),
[temp9]"=&f"(temp9), [p_delay]"+r"(p_delay), [p_ap_delay]"+r"(p_ap_delay),
[p_Q_fract]"+r"(p_Q_fract), [p_t_gain]"+r"(p_t_gain), [p_out]"+r"(p_out),
[ag0]"=&f"(ag0), [ag1]"=&f"(ag1), [ag2]"=&f"(ag2)
: [phi_fract0]"f"(phi_fract0), [phi_fract1]"f"(phi_fract1),
[len]"r"(len), [g_decay_slope]"f"(g_decay_slope)
: "memory"
);
}
static void ps_stereo_interpolate_mips(float (*l)[2], float (*r)[2],
float h[2][4], float h_step[2][4],
int len)
{
float h0 = h[0][0];
float h1 = h[0][1];
float h2 = h[0][2];
float h3 = h[0][3];
float hs0 = h_step[0][0];
float hs1 = h_step[0][1];
float hs2 = h_step[0][2];
float hs3 = h_step[0][3];
float temp0, temp1, temp2, temp3;
float l_re, l_im, r_re, r_im;
len = (int)((int*)l + (len << 1));
__asm__ volatile(
".set push \n\t"
".set noreorder \n\t"
"1: \n\t"
"add.s %[h0], %[h0], %[hs0] \n\t"
"lwc1 %[l_re], 0(%[l]) \n\t"
"add.s %[h1], %[h1], %[hs1] \n\t"
"lwc1 %[r_re], 0(%[r]) \n\t"
"add.s %[h2], %[h2], %[hs2] \n\t"
"lwc1 %[l_im], 4(%[l]) \n\t"
"add.s %[h3], %[h3], %[hs3] \n\t"
"lwc1 %[r_im], 4(%[r]) \n\t"
"mul.s %[temp0], %[h0], %[l_re] \n\t"
"addiu %[l], %[l], 8 \n\t"
"mul.s %[temp2], %[h1], %[l_re] \n\t"
"addiu %[r], %[r], 8 \n\t"
"madd.s %[temp0], %[temp0], %[h2], %[r_re] \n\t"
"madd.s %[temp2], %[temp2], %[h3], %[r_re] \n\t"
"mul.s %[temp1], %[h0], %[l_im] \n\t"
"mul.s %[temp3], %[h1], %[l_im] \n\t"
"madd.s %[temp1], %[temp1], %[h2], %[r_im] \n\t"
"madd.s %[temp3], %[temp3], %[h3], %[r_im] \n\t"
"swc1 %[temp0], -8(%[l]) \n\t"
"swc1 %[temp2], -8(%[r]) \n\t"
"swc1 %[temp1], -4(%[l]) \n\t"
"bne %[l], %[len], 1b \n\t"
" swc1 %[temp3], -4(%[r]) \n\t"
".set pop \n\t"
: [temp0]"=&f"(temp0), [temp1]"=&f"(temp1),
[temp2]"=&f"(temp2), [temp3]"=&f"(temp3),
[h0]"+f"(h0), [h1]"+f"(h1), [h2]"+f"(h2),
[h3]"+f"(h3), [l]"+r"(l), [r]"+r"(r),
[l_re]"=&f"(l_re), [l_im]"=&f"(l_im),
[r_re]"=&f"(r_re), [r_im]"=&f"(r_im)
: [hs0]"f"(hs0), [hs1]"f"(hs1), [hs2]"f"(hs2),
[hs3]"f"(hs3), [len]"r"(len)
: "memory"
);
}
#endif /* HAVE_MIPSFPU */
#endif /* HAVE_INLINE_ASM */
void ff_psdsp_init_mips(PSDSPContext *s)
{
#if HAVE_INLINE_ASM
s->hybrid_analysis_ileave = ps_hybrid_analysis_ileave_mips;
s->hybrid_synthesis_deint = ps_hybrid_synthesis_deint_mips;
#if HAVE_MIPSFPU
s->add_squares = ps_add_squares_mips;
s->mul_pair_single = ps_mul_pair_single_mips;
s->decorrelate = ps_decorrelate_mips;
s->stereo_interpolate[0] = ps_stereo_interpolate_mips;
#endif /* HAVE_MIPSFPU */
#endif /* HAVE_INLINE_ASM */
}
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