summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
authorMirjana Vulin <mvulin@mips.com>2013-02-21 14:46:52 +0100
committerMichael Niedermayer <michaelni@gmx.at>2013-02-21 22:43:08 +0100
commit8d2eb5fe58ae30ddef6b052ffdfa3280cbcc5568 (patch)
tree10e25c9c312b204885e00d51651679ba49185aa2
parent67b3fcf65578fe7811a586393da4c188d7bdb327 (diff)
downloadffmpeg-streaming-8d2eb5fe58ae30ddef6b052ffdfa3280cbcc5568.zip
ffmpeg-streaming-8d2eb5fe58ae30ddef6b052ffdfa3280cbcc5568.tar.gz
mips: optimization for float aac decoder (sbr module)
Signed-off-by: Mirjana Vulin <mvulin@mips.com> Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat
-rw-r--r--libavcodec/aac.h2
-rw-r--r--libavcodec/aacsbr.c30
-rw-r--r--libavcodec/aacsbr.h2
-rw-r--r--libavcodec/mips/Makefile4
-rw-r--r--libavcodec/mips/aacsbr_mips.c618
-rw-r--r--libavcodec/mips/aacsbr_mips.h493
-rw-r--r--libavcodec/mips/sbrdsp_mips.c940
-rw-r--r--libavcodec/sbr.h28
-rw-r--r--libavcodec/sbrdsp.c2
-rw-r--r--libavcodec/sbrdsp.h1
-rw-r--r--libavutil/mips/float_dsp_mips.c40
11 files changed, 2151 insertions, 9 deletions
diff --git a/libavcodec/aac.h b/libavcodec/aac.h
index 9f72a3d..4ba989f 100644
--- a/libavcodec/aac.h
+++ b/libavcodec/aac.h
@@ -257,8 +257,6 @@ typedef struct ChannelElement {
SpectralBandReplication sbr;
} ChannelElement;
-typedef struct AACContext AACContext;
-
/**
* main AAC context
*/
diff --git a/libavcodec/aacsbr.c b/libavcodec/aacsbr.c
index d746b6e..aa728f6 100644
--- a/libavcodec/aacsbr.c
+++ b/libavcodec/aacsbr.c
@@ -44,6 +44,10 @@
#define ENVELOPE_ADJUSTMENT_OFFSET 2
#define NOISE_FLOOR_OFFSET 6.0f
+#if ARCH_MIPS
+#include "mips/aacsbr_mips.h"
+#endif /* ARCH_MIPS */
+
/**
* SBR VLC tables
*/
@@ -87,6 +91,8 @@ static const int8_t vlc_sbr_lav[10] =
#define SBR_VLC_ROW(name) \
{ name ## _codes, name ## _bits, sizeof(name ## _codes), sizeof(name ## _codes[0]) }
+static void aacsbr_func_ptr_init(AACSBRContext *c);
+
av_cold void ff_aac_sbr_init(void)
{
int n;
@@ -155,6 +161,7 @@ av_cold void ff_aac_sbr_ctx_init(AACContext *ac, SpectralBandReplication *sbr)
ff_mdct_init(&sbr->mdct_ana, 7, 1, -2.0 * 32768.0);
ff_ps_ctx_init(&sbr->ps);
ff_sbrdsp_init(&sbr->dsp);
+ aacsbr_func_ptr_init(&sbr->c);
}
av_cold void ff_aac_sbr_ctx_close(SpectralBandReplication *sbr)
@@ -1157,6 +1164,7 @@ static void sbr_dequant(SpectralBandReplication *sbr, int id_aac)
* @param x pointer to the beginning of the first sample window
* @param W array of complex-valued samples split into subbands
*/
+#ifndef sbr_qmf_analysis
static void sbr_qmf_analysis(AVFloatDSPContext *dsp, FFTContext *mdct,
SBRDSPContext *sbrdsp, const float *in, float *x,
float z[320], float W[2][32][32][2], int buf_idx)
@@ -1174,11 +1182,13 @@ static void sbr_qmf_analysis(AVFloatDSPContext *dsp, FFTContext *mdct,
x += 32;
}
}
+#endif
/**
* Synthesis QMF Bank (14496-3 sp04 p206) and Downsampled Synthesis QMF Bank
* (14496-3 sp04 p206)
*/
+#ifndef sbr_qmf_synthesis
static void sbr_qmf_synthesis(FFTContext *mdct,
SBRDSPContext *sbrdsp, AVFloatDSPContext *dsp,
float *out, float X[2][38][64],
@@ -1224,6 +1234,7 @@ static void sbr_qmf_synthesis(FFTContext *mdct,
out += 64 >> div;
}
}
+#endif
/** High Frequency Generation (14496-3 sp04 p214+) and Inverse Filtering
* (14496-3 sp04 p214)
@@ -1672,10 +1683,10 @@ void ff_sbr_apply(AACContext *ac, SpectralBandReplication *sbr, int id_aac,
sbr_qmf_analysis(&ac->fdsp, &sbr->mdct_ana, &sbr->dsp, ch ? R : L, sbr->data[ch].analysis_filterbank_samples,
(float*)sbr->qmf_filter_scratch,
sbr->data[ch].W, sbr->data[ch].Ypos);
- sbr_lf_gen(ac, sbr, sbr->X_low, sbr->data[ch].W, sbr->data[ch].Ypos);
+ sbr->c.sbr_lf_gen(ac, sbr, sbr->X_low, sbr->data[ch].W, sbr->data[ch].Ypos);
sbr->data[ch].Ypos ^= 1;
if (sbr->start) {
- sbr_hf_inverse_filter(&sbr->dsp, sbr->alpha0, sbr->alpha1, sbr->X_low, sbr->k[0]);
+ sbr->c.sbr_hf_inverse_filter(&sbr->dsp, sbr->alpha0, sbr->alpha1, sbr->X_low, sbr->k[0]);
sbr_chirp(sbr, &sbr->data[ch]);
sbr_hf_gen(ac, sbr, sbr->X_high, sbr->X_low, sbr->alpha0, sbr->alpha1,
sbr->data[ch].bw_array, sbr->data[ch].t_env,
@@ -1686,14 +1697,14 @@ void ff_sbr_apply(AACContext *ac, SpectralBandReplication *sbr, int id_aac,
if (!err) {
sbr_env_estimate(sbr->e_curr, sbr->X_high, sbr, &sbr->data[ch]);
sbr_gain_calc(ac, sbr, &sbr->data[ch], sbr->data[ch].e_a);
- sbr_hf_assemble(sbr->data[ch].Y[sbr->data[ch].Ypos],
+ sbr->c.sbr_hf_assemble(sbr->data[ch].Y[sbr->data[ch].Ypos],
sbr->X_high, sbr, &sbr->data[ch],
sbr->data[ch].e_a);
}
}
/* synthesis */
- sbr_x_gen(sbr, sbr->X[ch],
+ sbr->c.sbr_x_gen(sbr, sbr->X[ch],
sbr->data[ch].Y[1-sbr->data[ch].Ypos],
sbr->data[ch].Y[ sbr->data[ch].Ypos],
sbr->X_low, ch);
@@ -1720,3 +1731,14 @@ void ff_sbr_apply(AACContext *ac, SpectralBandReplication *sbr, int id_aac,
&sbr->data[1].synthesis_filterbank_samples_offset,
downsampled);
}
+
+static void aacsbr_func_ptr_init(AACSBRContext *c)
+{
+ c->sbr_lf_gen = sbr_lf_gen;
+ c->sbr_hf_assemble = sbr_hf_assemble;
+ c->sbr_x_gen = sbr_x_gen;
+ c->sbr_hf_inverse_filter = sbr_hf_inverse_filter;
+
+ if(ARCH_MIPS)
+ ff_aacsbr_func_ptr_init_mips(c);
+}
diff --git a/libavcodec/aacsbr.h b/libavcodec/aacsbr.h
index d028498..5d5de81 100644
--- a/libavcodec/aacsbr.h
+++ b/libavcodec/aacsbr.h
@@ -46,4 +46,6 @@ int ff_decode_sbr_extension(AACContext *ac, SpectralBandReplication *sbr,
void ff_sbr_apply(AACContext *ac, SpectralBandReplication *sbr, int id_aac,
float* L, float *R);
+void ff_aacsbr_func_ptr_init_mips(AACSBRContext *c);
+
#endif /* AVCODEC_AACSBR_H */
diff --git a/libavcodec/mips/Makefile b/libavcodec/mips/Makefile
index 609939d..ba7d0e1 100644
--- a/libavcodec/mips/Makefile
+++ b/libavcodec/mips/Makefile
@@ -13,4 +13,6 @@ OBJS-$(CONFIG_FFT) += mips/fft_init_table.o
MIPSFPU-OBJS-$(CONFIG_FFT) += mips/fft_mips.o
MIPSFPU-OBJS += mips/fmtconvert_mips.o
OBJS-$(CONFIG_AC3DSP) += mips/ac3dsp_mips.o
-OBJS-$(CONFIG_AAC_DECODER) += mips/aacdec_mips.o
+OBJS-$(CONFIG_AAC_DECODER) += mips/aacdec_mips.o \
+ mips/aacsbr_mips.o \
+ mips/sbrdsp_mips.o
diff --git a/libavcodec/mips/aacsbr_mips.c b/libavcodec/mips/aacsbr_mips.c
new file mode 100644
index 0000000..aed8919
--- /dev/null
+++ b/libavcodec/mips/aacsbr_mips.c
@@ -0,0 +1,618 @@
+/*
+ * 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: 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/aacsbr.c
+ */
+
+#include "libavcodec/aac.h"
+#include "libavcodec/aacsbr.h"
+
+#define ENVELOPE_ADJUSTMENT_OFFSET 2
+
+#if HAVE_INLINE_ASM
+static int sbr_lf_gen_mips(AACContext *ac, SpectralBandReplication *sbr,
+ float X_low[32][40][2], const float W[2][32][32][2],
+ int buf_idx)
+{
+ int i, k;
+ int temp0, temp1, temp2, temp3, temp4, temp5, temp6, temp7;
+ float *p_x_low = &X_low[0][8][0];
+ float *p_w = (float*)&W[buf_idx][0][0][0];
+ float *p_x1_low = &X_low[0][0][0];
+ float *p_w1 = (float*)&W[1-buf_idx][24][0][0];
+
+ float *loop_end=p_x1_low + 2560;
+
+ /* loop unrolled 8 times */
+ __asm__ volatile (
+ "1: \n\t"
+ "sw $0, 0(%[p_x1_low]) \n\t"
+ "sw $0, 4(%[p_x1_low]) \n\t"
+ "sw $0, 8(%[p_x1_low]) \n\t"
+ "sw $0, 12(%[p_x1_low]) \n\t"
+ "sw $0, 16(%[p_x1_low]) \n\t"
+ "sw $0, 20(%[p_x1_low]) \n\t"
+ "sw $0, 24(%[p_x1_low]) \n\t"
+ "sw $0, 28(%[p_x1_low]) \n\t"
+ "addiu %[p_x1_low], %[p_x1_low], 32 \n\t"
+ "bne %[p_x1_low], %[loop_end], 1b \n\t"
+ "addiu %[p_x1_low], %[p_x1_low], -10240 \n\t"
+
+ : [p_x1_low]"+r"(p_x1_low)
+ : [loop_end]"r"(loop_end)
+ : "memory"
+ );
+
+ for (k = 0; k < sbr->kx[1]; k++) {
+ for (i = 0; i < 32; i+=4) {
+ /* loop unrolled 4 times */
+ __asm__ volatile (
+ "lw %[temp0], 0(%[p_w]) \n\t"
+ "lw %[temp1], 4(%[p_w]) \n\t"
+ "lw %[temp2], 256(%[p_w]) \n\t"
+ "lw %[temp3], 260(%[p_w]) \n\t"
+ "lw %[temp4], 512(%[p_w]) \n\t"
+ "lw %[temp5], 516(%[p_w]) \n\t"
+ "lw %[temp6], 768(%[p_w]) \n\t"
+ "lw %[temp7], 772(%[p_w]) \n\t"
+ "sw %[temp0], 0(%[p_x_low]) \n\t"
+ "sw %[temp1], 4(%[p_x_low]) \n\t"
+ "sw %[temp2], 8(%[p_x_low]) \n\t"
+ "sw %[temp3], 12(%[p_x_low]) \n\t"
+ "sw %[temp4], 16(%[p_x_low]) \n\t"
+ "sw %[temp5], 20(%[p_x_low]) \n\t"
+ "sw %[temp6], 24(%[p_x_low]) \n\t"
+ "sw %[temp7], 28(%[p_x_low]) \n\t"
+ "addiu %[p_x_low], %[p_x_low], 32 \n\t"
+ "addiu %[p_w], %[p_w], 1024 \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),
+ [p_w]"+r"(p_w), [p_x_low]"+r"(p_x_low)
+ :
+ : "memory"
+ );
+ }
+ p_x_low += 16;
+ p_w -= 2046;
+ }
+
+ for (k = 0; k < sbr->kx[0]; k++) {
+ for (i = 0; i < 2; i++) {
+
+ /* loop unrolled 4 times */
+ __asm__ volatile (
+ "lw %[temp0], 0(%[p_w1]) \n\t"
+ "lw %[temp1], 4(%[p_w1]) \n\t"
+ "lw %[temp2], 256(%[p_w1]) \n\t"
+ "lw %[temp3], 260(%[p_w1]) \n\t"
+ "lw %[temp4], 512(%[p_w1]) \n\t"
+ "lw %[temp5], 516(%[p_w1]) \n\t"
+ "lw %[temp6], 768(%[p_w1]) \n\t"
+ "lw %[temp7], 772(%[p_w1]) \n\t"
+ "sw %[temp0], 0(%[p_x1_low]) \n\t"
+ "sw %[temp1], 4(%[p_x1_low]) \n\t"
+ "sw %[temp2], 8(%[p_x1_low]) \n\t"
+ "sw %[temp3], 12(%[p_x1_low]) \n\t"
+ "sw %[temp4], 16(%[p_x1_low]) \n\t"
+ "sw %[temp5], 20(%[p_x1_low]) \n\t"
+ "sw %[temp6], 24(%[p_x1_low]) \n\t"
+ "sw %[temp7], 28(%[p_x1_low]) \n\t"
+ "addiu %[p_x1_low], %[p_x1_low], 32 \n\t"
+ "addiu %[p_w1], %[p_w1], 1024 \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),
+ [p_w1]"+r"(p_w1), [p_x1_low]"+r"(p_x1_low)
+ :
+ : "memory"
+ );
+ }
+ p_x1_low += 64;
+ p_w1 -= 510;
+ }
+ return 0;
+}
+
+static int sbr_x_gen_mips(SpectralBandReplication *sbr, float X[2][38][64],
+ const float Y0[38][64][2], const float Y1[38][64][2],
+ const float X_low[32][40][2], int ch)
+{
+ int k, i;
+ const int i_f = 32;
+ int temp0, temp1, temp2, temp3;
+ const float *X_low1, *Y01, *Y11;
+ float *x1=&X[0][0][0];
+ float *j=x1+4864;
+ const int i_Temp = FFMAX(2*sbr->data[ch].t_env_num_env_old - i_f, 0);
+
+ /* loop unrolled 8 times */
+ __asm__ volatile (
+ "1: \n\t"
+ "sw $0, 0(%[x1]) \n\t"
+ "sw $0, 4(%[x1]) \n\t"
+ "sw $0, 8(%[x1]) \n\t"
+ "sw $0, 12(%[x1]) \n\t"
+ "sw $0, 16(%[x1]) \n\t"
+ "sw $0, 20(%[x1]) \n\t"
+ "sw $0, 24(%[x1]) \n\t"
+ "sw $0, 28(%[x1]) \n\t"
+ "addiu %[x1], %[x1], 32 \n\t"
+ "bne %[x1], %[j], 1b \n\t"
+ "addiu %[x1], %[x1], -19456 \n\t"
+
+ : [x1]"+r"(x1)
+ : [j]"r"(j)
+ : "memory"
+ );
+
+ if (i_Temp != 0) {
+
+ X_low1=&X_low[0][2][0];
+
+ for (k = 0; k < sbr->kx[0]; k++) {
+
+ __asm__ volatile (
+ "move %[i], $zero \n\t"
+ "2: \n\t"
+ "lw %[temp0], 0(%[X_low1]) \n\t"
+ "lw %[temp1], 4(%[X_low1]) \n\t"
+ "sw %[temp0], 0(%[x1]) \n\t"
+ "sw %[temp1], 9728(%[x1]) \n\t"
+ "addiu %[x1], %[x1], 256 \n\t"
+ "addiu %[X_low1], %[X_low1], 8 \n\t"
+ "addiu %[i], %[i], 1 \n\t"
+ "bne %[i], %[i_Temp], 2b \n\t"
+
+ : [x1]"+r"(x1), [X_low1]"+r"(X_low1), [i]"=&r"(i),
+ [temp0]"=&r"(temp0), [temp1]"=&r"(temp1)
+ : [i_Temp]"r"(i_Temp)
+ : "memory"
+ );
+ x1-=(i_Temp<<6)-1;
+ X_low1-=(i_Temp<<1)-80;
+ }
+
+ x1=&X[0][0][k];
+ Y01=(float*)&Y0[32][k][0];
+
+ for (; k < sbr->kx[0] + sbr->m[0]; k++) {
+ __asm__ volatile (
+ "move %[i], $zero \n\t"
+ "3: \n\t"
+ "lw %[temp0], 0(%[Y01]) \n\t"
+ "lw %[temp1], 4(%[Y01]) \n\t"
+ "sw %[temp0], 0(%[x1]) \n\t"
+ "sw %[temp1], 9728(%[x1]) \n\t"
+ "addiu %[x1], %[x1], 256 \n\t"
+ "addiu %[Y01], %[Y01], 512 \n\t"
+ "addiu %[i], %[i], 1 \n\t"
+ "bne %[i], %[i_Temp], 3b \n\t"
+
+ : [x1]"+r"(x1), [Y01]"+r"(Y01), [i]"=&r"(i),
+ [temp0]"=&r"(temp0), [temp1]"=&r"(temp1)
+ : [i_Temp]"r"(i_Temp)
+ : "memory"
+ );
+ x1 -=(i_Temp<<6)-1;
+ Y01 -=(i_Temp<<7)-2;
+ }
+ }
+
+ x1=&X[0][i_Temp][0];
+ X_low1=&X_low[0][i_Temp+2][0];
+ temp3=38;
+
+ for (k = 0; k < sbr->kx[1]; k++) {
+
+ __asm__ volatile (
+ "move %[i], %[i_Temp] \n\t"
+ "4: \n\t"
+ "lw %[temp0], 0(%[X_low1]) \n\t"
+ "lw %[temp1], 4(%[X_low1]) \n\t"
+ "sw %[temp0], 0(%[x1]) \n\t"
+ "sw %[temp1], 9728(%[x1]) \n\t"
+ "addiu %[x1], %[x1], 256 \n\t"
+ "addiu %[X_low1], %[X_low1], 8 \n\t"
+ "addiu %[i], %[i], 1 \n\t"
+ "bne %[i], %[temp3], 4b \n\t"
+
+ : [x1]"+r"(x1), [X_low1]"+r"(X_low1), [i]"=&r"(i),
+ [temp0]"=&r"(temp0), [temp1]"=&r"(temp1),
+ [temp2]"=&r"(temp2)
+ : [i_Temp]"r"(i_Temp), [temp3]"r"(temp3)
+ : "memory"
+ );
+ x1 -= ((38-i_Temp)<<6)-1;
+ X_low1 -= ((38-i_Temp)<<1)- 80;
+ }
+
+ x1=&X[0][i_Temp][k];
+ Y11=&Y1[i_Temp][k][0];
+ temp2=32;
+
+ for (; k < sbr->kx[1] + sbr->m[1]; k++) {
+
+ __asm__ volatile (
+ "move %[i], %[i_Temp] \n\t"
+ "5: \n\t"
+ "lw %[temp0], 0(%[Y11]) \n\t"
+ "lw %[temp1], 4(%[Y11]) \n\t"
+ "sw %[temp0], 0(%[x1]) \n\t"
+ "sw %[temp1], 9728(%[x1]) \n\t"
+ "addiu %[x1], %[x1], 256 \n\t"
+ "addiu %[Y11], %[Y11], 512 \n\t"
+ "addiu %[i], %[i], 1 \n\t"
+ "bne %[i], %[temp2], 5b \n\t"
+
+ : [x1]"+r"(x1), [Y11]"+r"(Y11), [i]"=&r"(i),
+ [temp0]"=&r"(temp0), [temp1]"=&r"(temp1)
+ : [i_Temp]"r"(i_Temp), [temp3]"r"(temp3),
+ [temp2]"r"(temp2)
+ : "memory"
+ );
+
+ x1 -= ((32-i_Temp)<<6)-1;
+ Y11 -= ((32-i_Temp)<<7)-2;
+ }
+ return 0;
+}
+
+#if HAVE_MIPSFPU
+static void sbr_hf_assemble_mips(float Y1[38][64][2],
+ const float X_high[64][40][2],
+ SpectralBandReplication *sbr, SBRData *ch_data,
+ const int e_a[2])
+{
+ int e, i, j, m;
+ const int h_SL = 4 * !sbr->bs_smoothing_mode;
+ const int kx = sbr->kx[1];
+ const int m_max = sbr->m[1];
+ static const float h_smooth[5] = {
+ 0.33333333333333,
+ 0.30150283239582,
+ 0.21816949906249,
+ 0.11516383427084,
+ 0.03183050093751,
+ };
+
+ float (*g_temp)[48] = ch_data->g_temp, (*q_temp)[48] = ch_data->q_temp;
+ int indexnoise = ch_data->f_indexnoise;
+ int indexsine = ch_data->f_indexsine;
+ float *g_temp1, *q_temp1, *pok, *pok1;
+ float temp1, temp2, temp3, temp4;
+ int size = m_max;
+
+ if (sbr->reset) {
+ for (i = 0; i < h_SL; i++) {
+ memcpy(g_temp[i + 2*ch_data->t_env[0]], sbr->gain[0], m_max * sizeof(sbr->gain[0][0]));
+ memcpy(q_temp[i + 2*ch_data->t_env[0]], sbr->q_m[0], m_max * sizeof(sbr->q_m[0][0]));
+ }
+ } else if (h_SL) {
+ memcpy(g_temp[2*ch_data->t_env[0]], g_temp[2*ch_data->t_env_num_env_old], 4*sizeof(g_temp[0]));
+ memcpy(q_temp[2*ch_data->t_env[0]], q_temp[2*ch_data->t_env_num_env_old], 4*sizeof(q_temp[0]));
+ }
+
+ for (e = 0; e < ch_data->bs_num_env; e++) {
+ for (i = 2 * ch_data->t_env[e]; i < 2 * ch_data->t_env[e + 1]; i++) {
+ g_temp1 = g_temp[h_SL + i];
+ pok = sbr->gain[e];
+ q_temp1 = q_temp[h_SL + i];
+ pok1 = sbr->q_m[e];
+
+ /* loop unrolled 4 times */
+ for (j=0; j<(size>>2); j++) {
+ __asm__ volatile (
+ "lw %[temp1], 0(%[pok]) \n\t"
+ "lw %[temp2], 4(%[pok]) \n\t"
+ "lw %[temp3], 8(%[pok]) \n\t"
+ "lw %[temp4], 12(%[pok]) \n\t"
+ "sw %[temp1], 0(%[g_temp1]) \n\t"
+ "sw %[temp2], 4(%[g_temp1]) \n\t"
+ "sw %[temp3], 8(%[g_temp1]) \n\t"
+ "sw %[temp4], 12(%[g_temp1]) \n\t"
+ "lw %[temp1], 0(%[pok1]) \n\t"
+ "lw %[temp2], 4(%[pok1]) \n\t"
+ "lw %[temp3], 8(%[pok1]) \n\t"
+ "lw %[temp4], 12(%[pok1]) \n\t"
+ "sw %[temp1], 0(%[q_temp1]) \n\t"
+ "sw %[temp2], 4(%[q_temp1]) \n\t"
+ "sw %[temp3], 8(%[q_temp1]) \n\t"
+ "sw %[temp4], 12(%[q_temp1]) \n\t"
+ "addiu %[pok], %[pok], 16 \n\t"
+ "addiu %[g_temp1], %[g_temp1], 16 \n\t"
+ "addiu %[pok1], %[pok1], 16 \n\t"
+ "addiu %[q_temp1], %[q_temp1], 16 \n\t"
+
+ : [temp1]"=&r"(temp1), [temp2]"=&r"(temp2),
+ [temp3]"=&r"(temp3), [temp4]"=&r"(temp4),
+ [pok]"+r"(pok), [g_temp1]"+r"(g_temp1),
+ [pok1]"+r"(pok1), [q_temp1]"+r"(q_temp1)
+ :
+ : "memory"
+ );
+ }
+
+ for (j=0; j<(size&3); j++) {
+ __asm__ volatile (
+ "lw %[temp1], 0(%[pok]) \n\t"
+ "lw %[temp2], 0(%[pok1]) \n\t"
+ "sw %[temp1], 0(%[g_temp1]) \n\t"
+ "sw %[temp2], 0(%[q_temp1]) \n\t"
+ "addiu %[pok], %[pok], 4 \n\t"
+ "addiu %[g_temp1], %[g_temp1], 4 \n\t"
+ "addiu %[pok1], %[pok1], 4 \n\t"
+ "addiu %[q_temp1], %[q_temp1], 4 \n\t"
+
+ : [temp1]"=&r"(temp1), [temp2]"=&r"(temp2),
+ [temp3]"=&r"(temp3), [temp4]"=&r"(temp4),
+ [pok]"+r"(pok), [g_temp1]"+r"(g_temp1),
+ [pok1]"+r"(pok1), [q_temp1]"+r"(q_temp1)
+ :
+ : "memory"
+ );
+ }
+ }
+ }
+
+ for (e = 0; e < ch_data->bs_num_env; e++) {
+ for (i = 2 * ch_data->t_env[e]; i < 2 * ch_data->t_env[e + 1]; i++) {
+ LOCAL_ALIGNED_16(float, g_filt_tab, [48]);
+ LOCAL_ALIGNED_16(float, q_filt_tab, [48]);
+ float *g_filt, *q_filt;
+
+ if (h_SL && e != e_a[0] && e != e_a[1]) {
+ g_filt = g_filt_tab;
+ q_filt = q_filt_tab;
+
+ for (m = 0; m < m_max; m++) {
+ const int idx1 = i + h_SL;
+ g_filt[m] = 0.0f;
+ q_filt[m] = 0.0f;
+
+ for (j = 0; j <= h_SL; j++) {
+ g_filt[m] += g_temp[idx1 - j][m] * h_smooth[j];
+ q_filt[m] += q_temp[idx1 - j][m] * h_smooth[j];
+ }
+ }
+ } else {
+ g_filt = g_temp[i + h_SL];
+ q_filt = q_temp[i];
+ }
+
+ sbr->dsp.hf_g_filt(Y1[i] + kx, X_high + kx, g_filt, m_max,
+ i + ENVELOPE_ADJUSTMENT_OFFSET);
+
+ if (e != e_a[0] && e != e_a[1]) {
+ sbr->dsp.hf_apply_noise[indexsine](Y1[i] + kx, sbr->s_m[e],
+ q_filt, indexnoise,
+ kx, m_max);
+ } else {
+ int idx = indexsine&1;
+ int A = (1-((indexsine+(kx & 1))&2));
+ int B = (A^(-idx)) + idx;
+ float *out = &Y1[i][kx][idx];
+ float *in = sbr->s_m[e];
+ float temp0, temp1, temp2, temp3, temp4, temp5;
+ float A_f = (float)A;
+ float B_f = (float)B;
+
+ for (m = 0; m+1 < m_max; m+=2) {
+
+ temp2 = out[0];
+ temp3 = out[2];
+
+ __asm__ volatile(
+ "lwc1 %[temp0], 0(%[in]) \n\t"
+ "lwc1 %[temp1], 4(%[in]) \n\t"
+ "madd.s %[temp4], %[temp2], %[temp0], %[A_f] \n\t"
+ "madd.s %[temp5], %[temp3], %[temp1], %[B_f] \n\t"
+ "swc1 %[temp4], 0(%[out]) \n\t"
+ "swc1 %[temp5], 8(%[out]) \n\t"
+ "addiu %[in], %[in], 8 \n\t"
+ "addiu %[out], %[out], 16 \n\t"
+
+ : [temp0]"=&f" (temp0), [temp1]"=&f"(temp1),
+ [temp4]"=&f" (temp4), [temp5]"=&f"(temp5),
+ [in]"+r"(in), [out]"+r"(out)
+ : [A_f]"f"(A_f), [B_f]"f"(B_f), [temp2]"f"(temp2),
+ [temp3]"f"(temp3)
+ : "memory"
+ );
+ }
+ if(m_max&1)
+ out[2*m ] += in[m ] * A;
+ }
+ indexnoise = (indexnoise + m_max) & 0x1ff;
+ indexsine = (indexsine + 1) & 3;
+ }
+ }
+ ch_data->f_indexnoise = indexnoise;
+ ch_data->f_indexsine = indexsine;
+}
+
+static void sbr_hf_inverse_filter_mips(SBRDSPContext *dsp,
+ float (*alpha0)[2], float (*alpha1)[2],
+ const float X_low[32][40][2], int k0)
+{
+ int k;
+ float temp0, temp1, temp2, temp3, temp4, temp5, temp6, temp7, c;
+ float *phi1, *alpha_1, *alpha_0, res1, res2, temp_real, temp_im;;
+
+ c = 1.000001f;
+
+ for (k = 0; k < k0; k++) {
+ LOCAL_ALIGNED_16(float, phi, [3], [2][2]);
+ float dk;
+ phi1 = &phi[0][0][0];
+ alpha_1 = &alpha1[k][0];
+ alpha_0 = &alpha0[k][0];
+ dsp->autocorrelate(X_low[k], phi);
+
+ __asm__ volatile (
+ "lwc1 %[temp0], 40(%[phi1]) \n\t"
+ "lwc1 %[temp1], 16(%[phi1]) \n\t"
+ "lwc1 %[temp2], 24(%[phi1]) \n\t"
+ "lwc1 %[temp3], 28(%[phi1]) \n\t"
+ "mul.s %[dk], %[temp0], %[temp1] \n\t"
+ "lwc1 %[temp4], 0(%[phi1]) \n\t"
+ "mul.s %[res2], %[temp2], %[temp2] \n\t"
+ "lwc1 %[temp5], 4(%[phi1]) \n\t"
+ "madd.s %[res2], %[res2], %[temp3], %[temp3] \n\t"
+ "lwc1 %[temp6], 8(%[phi1]) \n\t"
+ "div.s %[res2], %[res2], %[c] \n\t"
+ "lwc1 %[temp0], 12(%[phi1]) \n\t"
+ "sub.s %[dk], %[dk], %[res2] \n\t"
+
+ : [temp0]"=&f"(temp0), [temp1]"=&f"(temp1), [temp2]"=&f"(temp2),
+ [temp3]"=&f"(temp3), [temp4]"=&f"(temp4), [temp5]"=&f"(temp5),
+ [temp6]"=&f"(temp6), [res2]"=&f"(res2), [dk]"=&f"(dk)
+ : [phi1]"r"(phi1), [c]"f"(c)
+ : "memory"
+ );
+
+ if (!dk) {
+ alpha_1[0] = 0;
+ alpha_1[1] = 0;
+ } else {
+ __asm__ volatile (
+ "mul.s %[temp_real], %[temp4], %[temp2] \n\t"
+ "nmsub.s %[temp_real], %[temp_real], %[temp5], %[temp3] \n\t"
+ "nmsub.s %[temp_real], %[temp_real], %[temp6], %[temp1] \n\t"
+ "mul.s %[temp_im], %[temp4], %[temp3] \n\t"
+ "madd.s %[temp_im], %[temp_im], %[temp5], %[temp2] \n\t"
+ "nmsub.s %[temp_im], %[temp_im], %[temp0], %[temp1] \n\t"
+ "div.s %[temp_real], %[temp_real], %[dk] \n\t"
+ "div.s %[temp_im], %[temp_im], %[dk] \n\t"
+ "swc1 %[temp_real], 0(%[alpha_1]) \n\t"
+ "swc1 %[temp_im], 4(%[alpha_1]) \n\t"
+
+ : [temp_real]"=&f" (temp_real), [temp_im]"=&f"(temp_im)
+ : [phi1]"r"(phi1), [temp0]"f"(temp0), [temp1]"f"(temp1),
+ [temp2]"f"(temp2), [temp3]"f"(temp3), [temp4]"f"(temp4),
+ [temp5]"f"(temp5), [temp6]"f"(temp6),
+ [alpha_1]"r"(alpha_1), [dk]"f"(dk)
+ : "memory"
+ );
+ }
+
+ if (!phi1[4]) {
+ alpha_0[0] = 0;
+ alpha_0[1] = 0;
+ } else {
+ __asm__ volatile (
+ "lwc1 %[temp6], 0(%[alpha_1]) \n\t"
+ "lwc1 %[temp7], 4(%[alpha_1]) \n\t"
+ "mul.s %[temp_real], %[temp6], %[temp2] \n\t"
+ "add.s %[temp_real], %[temp_real], %[temp4] \n\t"
+ "madd.s %[temp_real], %[temp_real], %[temp7], %[temp3] \n\t"
+ "mul.s %[temp_im], %[temp7], %[temp2] \n\t"
+ "add.s %[temp_im], %[temp_im], %[temp5] \n\t"
+ "nmsub.s %[temp_im], %[temp_im], %[temp6], %[temp3] \n\t"
+ "div.s %[temp_real], %[temp_real], %[temp1] \n\t"
+ "div.s %[temp_im], %[temp_im], %[temp1] \n\t"
+ "neg.s %[temp_real], %[temp_real] \n\t"
+ "neg.s %[temp_im], %[temp_im] \n\t"
+ "swc1 %[temp_real], 0(%[alpha_0]) \n\t"
+ "swc1 %[temp_im], 4(%[alpha_0]) \n\t"
+
+ : [temp_real]"=&f"(temp_real), [temp_im]"=&f"(temp_im),
+ [temp6]"=&f"(temp6), [temp7]"=&f"(temp7),
+ [res1]"=&f"(res1), [res2]"=&f"(res2)
+ : [alpha_1]"r"(alpha_1), [alpha_0]"r"(alpha_0),
+ [temp0]"f"(temp0), [temp1]"f"(temp1), [temp2]"f"(temp2),
+ [temp3]"f"(temp3), [temp4]"f"(temp4), [temp5]"f"(temp5)
+ : "memory"
+ );
+ }
+
+ __asm__ volatile (
+ "lwc1 %[temp1], 0(%[alpha_1]) \n\t"
+ "lwc1 %[temp2], 4(%[alpha_1]) \n\t"
+ "lwc1 %[temp_real], 0(%[alpha_0]) \n\t"
+ "lwc1 %[temp_im], 4(%[alpha_0]) \n\t"
+ "mul.s %[res1], %[temp1], %[temp1] \n\t"
+ "madd.s %[res1], %[res1], %[temp2], %[temp2] \n\t"
+ "mul.s %[res2], %[temp_real], %[temp_real] \n\t"
+ "madd.s %[res2], %[res2], %[temp_im], %[temp_im] \n\t"
+
+ : [temp_real]"=&f"(temp_real), [temp_im]"=&f"(temp_im),
+ [temp1]"=&f"(temp1), [temp2]"=&f"(temp2),
+ [res1]"=&f"(res1), [res2]"=&f"(res2)
+ : [alpha_1]"r"(alpha_1), [alpha_0]"r"(alpha_0)
+ : "memory"
+ );
+
+ if (res1 >= 16.0f || res2 >= 16.0f) {
+ alpha_1[0] = 0;
+ alpha_1[1] = 0;
+ alpha_0[0] = 0;
+ alpha_0[1] = 0;
+ }
+ }
+}
+#endif /* HAVE_MIPSFPU */
+#endif /* HAVE_INLINE_ASM */
+
+void ff_aacsbr_func_ptr_init_mips(AACSBRContext *c)
+{
+#if HAVE_INLINE_ASM
+ c->sbr_lf_gen = sbr_lf_gen_mips;
+ c->sbr_x_gen = sbr_x_gen_mips;
+#if HAVE_MIPSFPU
+ c->sbr_hf_inverse_filter = sbr_hf_inverse_filter_mips;
+ c->sbr_hf_assemble = sbr_hf_assemble_mips;
+#endif /* HAVE_MIPSFPU */
+#endif /* HAVE_INLINE_ASM */
+}
diff --git a/libavcodec/mips/aacsbr_mips.h b/libavcodec/mips/aacsbr_mips.h
new file mode 100644
index 0000000..8e6ad7d
--- /dev/null
+++ b/libavcodec/mips/aacsbr_mips.h
@@ -0,0 +1,493 @@
+/*
+ * 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: 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/aacsbr.c
+ */
+
+#ifndef AVCODEC_MIPS_AACSBR_FLOAT_H
+#define AVCODEC_MIPS_AACSBR_FLOAT_H
+
+#include "libavcodec/aac.h"
+#include "libavcodec/sbr.h"
+
+#if HAVE_INLINE_ASM
+static void sbr_qmf_analysis_mips(AVFloatDSPContext *fdsp, FFTContext *mdct,
+ SBRDSPContext *sbrdsp, const float *in, float *x,
+ float z[320], float W[2][32][32][2], int buf_idx)
+{
+ int i;
+ float *w0;
+ float *w1;
+ int temp0, temp1, temp2, temp3, temp4, temp5, temp6, temp7;
+
+ w0 = x;
+ w1 = x + 1024;
+ for(i = 0; i < 36; i++)
+ {
+ /* loop unrolled 8 times */
+ __asm__ volatile(
+ "lw %[temp0], 0(%[w1]) \n\t"
+ "lw %[temp1], 4(%[w1]) \n\t"
+ "lw %[temp2], 8(%[w1]) \n\t"
+ "lw %[temp3], 12(%[w1]) \n\t"
+ "lw %[temp4], 16(%[w1]) \n\t"
+ "lw %[temp5], 20(%[w1]) \n\t"
+ "lw %[temp6], 24(%[w1]) \n\t"
+ "lw %[temp7], 28(%[w1]) \n\t"
+ "sw %[temp0], 0(%[w0]) \n\t"
+ "sw %[temp1], 4(%[w0]) \n\t"
+ "sw %[temp2], 8(%[w0]) \n\t"
+ "sw %[temp3], 12(%[w0]) \n\t"
+ "sw %[temp4], 16(%[w0]) \n\t"
+ "sw %[temp5], 20(%[w0]) \n\t"
+ "sw %[temp6], 24(%[w0]) \n\t"
+ "sw %[temp7], 28(%[w0]) \n\t"
+ "addiu %[w0], %[w0], 32 \n\t"
+ "addiu %[w1], %[w1], 32 \n\t"
+
+ : [w0]"+r"(w0), [w1]"+r"(w1),
+ [temp0]"=&r"(temp0), [temp1]"=&r"(temp1),
+ [temp2]"=&r"(temp2), [temp3]"=&r"(temp3),
+ [temp4]"=&r"(temp4), [temp5]"=&r"(temp5),
+ [temp6]"=&r"(temp6), [temp7]"=&r"(temp7)
+ :
+ : "memory"
+ );
+ }
+
+ w0 = x + 288;
+ w1 = (float*)in;
+ for(i = 0; i < 128; i++)
+ {
+ /* loop unrolled 8 times */
+ __asm__ volatile(
+ "lw %[temp0], 0(%[w1]) \n\t"
+ "lw %[temp1], 4(%[w1]) \n\t"
+ "lw %[temp2], 8(%[w1]) \n\t"
+ "lw %[temp3], 12(%[w1]) \n\t"
+ "lw %[temp4], 16(%[w1]) \n\t"
+ "lw %[temp5], 20(%[w1]) \n\t"
+ "lw %[temp6], 24(%[w1]) \n\t"
+ "lw %[temp7], 28(%[w1]) \n\t"
+ "sw %[temp0], 0(%[w0]) \n\t"
+ "sw %[temp1], 4(%[w0]) \n\t"
+ "sw %[temp2], 8(%[w0]) \n\t"
+ "sw %[temp3], 12(%[w0]) \n\t"
+ "sw %[temp4], 16(%[w0]) \n\t"
+ "sw %[temp5], 20(%[w0]) \n\t"
+ "sw %[temp6], 24(%[w0]) \n\t"
+ "sw %[temp7], 28(%[w0]) \n\t"
+ "addiu %[w0], %[w0], 32 \n\t"
+ "addiu %[w1], %[w1], 32 \n\t"
+
+ : [w0]"+r"(w0), [w1]"+r"(w1),
+ [temp0]"=&r"(temp0), [temp1]"=&r"(temp1),
+ [temp2]"=&r"(temp2), [temp3]"=&r"(temp3),
+ [temp4]"=&r"(temp4), [temp5]"=&r"(temp5),
+ [temp6]"=&r"(temp6), [temp7]"=&r"(temp7)
+ :
+ : "memory"
+ );
+ }
+
+ for (i = 0; i < 32; i++) { // numTimeSlots*RATE = 16*2 as 960 sample frames
+ // are not supported
+ fdsp->vector_fmul_reverse(z, sbr_qmf_window_ds, x, 320);
+ sbrdsp->sum64x5(z);
+ sbrdsp->qmf_pre_shuffle(z);
+ mdct->imdct_half(mdct, z, z+64);
+ sbrdsp->qmf_post_shuffle(W[buf_idx][i], z);
+ x += 32;
+ }
+}
+
+#if HAVE_MIPSFPU
+static void sbr_qmf_synthesis_mips(FFTContext *mdct,
+ SBRDSPContext *sbrdsp, AVFloatDSPContext *fdsp,
+ float *out, float X[2][38][64],
+ float mdct_buf[2][64],
+ float *v0, int *v_off, const unsigned int div)
+{
+ int i, n;
+ const float *sbr_qmf_window = div ? sbr_qmf_window_ds : sbr_qmf_window_us;
+ const int step = 128 >> div;
+ float *v;
+ float temp0, temp1, temp2, temp3, temp4, temp5, temp6, temp7, temp8, temp9, temp10, temp11, temp12, temp13;
+ float temp14, temp15, temp16, temp17, temp18, temp19;
+ float *vv0, *s0, *dst;
+ dst = out;
+
+ for (i = 0; i < 32; i++) {
+ if (*v_off < step) {
+ int saved_samples = (1280 - 128) >> div;
+ memcpy(&v0[SBR_SYNTHESIS_BUF_SIZE - saved_samples], v0, saved_samples * sizeof(float));
+ *v_off = SBR_SYNTHESIS_BUF_SIZE - saved_samples - step;
+ } else {
+ *v_off -= step;
+ }
+ v = v0 + *v_off;
+ if (div) {
+ for (n = 0; n < 32; n++) {
+ X[0][i][ n] = -X[0][i][n];
+ X[0][i][32+n] = X[1][i][31-n];
+ }
+ mdct->imdct_half(mdct, mdct_buf[0], X[0][i]);
+ sbrdsp->qmf_deint_neg(v, mdct_buf[0]);
+ } else {
+ sbrdsp->neg_odd_64(X[1][i]);
+ mdct->imdct_half(mdct, mdct_buf[0], X[0][i]);
+ mdct->imdct_half(mdct, mdct_buf[1], X[1][i]);
+ sbrdsp->qmf_deint_bfly(v, mdct_buf[1], mdct_buf[0]);
+ }
+
+ if(div == 0)
+ {
+ float *v0_end;
+ vv0 = v;
+ v0_end = v + 60;
+ s0 = (float*)sbr_qmf_window;
+
+ /* 10 calls of function vector_fmul_add merged into one loop
+ and loop unrolled 4 times */
+ __asm__ volatile(
+ ".set push \n\t"
+ ".set noreorder \n\t"
+ "lwc1 %[temp4], 0(%[v0]) \n\t"
+ "lwc1 %[temp5], 0(%[s0]) \n\t"
+ "lwc1 %[temp6], 4(%[v0]) \n\t"
+ "lwc1 %[temp7], 4(%[s0]) \n\t"
+ "lwc1 %[temp8], 8(%[v0]) \n\t"
+ "lwc1 %[temp9], 8(%[s0]) \n\t"
+ "lwc1 %[temp10], 12(%[v0]) \n\t"
+ "lwc1 %[temp11], 12(%[s0]) \n\t"
+ "lwc1 %[temp12], 768(%[v0]) \n\t"
+ "lwc1 %[temp13], 256(%[s0]) \n\t"
+ "lwc1 %[temp14], 772(%[v0]) \n\t"
+ "lwc1 %[temp15], 260(%[s0]) \n\t"
+ "lwc1 %[temp16], 776(%[v0]) \n\t"
+ "lwc1 %[temp17], 264(%[s0]) \n\t"
+ "lwc1 %[temp18], 780(%[v0]) \n\t"
+ "lwc1 %[temp19], 268(%[s0]) \n\t"
+ "1: \n\t"
+ "mul.s %[temp0], %[temp4], %[temp5] \n\t"
+ "lwc1 %[temp4], 1024(%[v0]) \n\t"
+ "mul.s %[temp1], %[temp6], %[temp7] \n\t"
+ "lwc1 %[temp5], 512(%[s0]) \n\t"
+ "mul.s %[temp2], %[temp8], %[temp9] \n\t"
+ "lwc1 %[temp6], 1028(%[v0]) \n\t"
+ "mul.s %[temp3], %[temp10], %[temp11] \n\t"
+ "lwc1 %[temp7], 516(%[s0]) \n\t"
+ "madd.s %[temp0], %[temp0], %[temp12], %[temp13] \n\t"
+ "lwc1 %[temp8], 1032(%[v0]) \n\t"
+ "madd.s %[temp1], %[temp1], %[temp14], %[temp15] \n\t"
+ "lwc1 %[temp9], 520(%[s0]) \n\t"
+ "madd.s %[temp2], %[temp2], %[temp16], %[temp17] \n\t"
+ "lwc1 %[temp10], 1036(%[v0]) \n\t"
+ "madd.s %[temp3], %[temp3], %[temp18], %[temp19] \n\t"
+ "lwc1 %[temp11], 524(%[s0]) \n\t"
+ "lwc1 %[temp12], 1792(%[v0]) \n\t"
+ "lwc1 %[temp13], 768(%[s0]) \n\t"
+ "lwc1 %[temp14], 1796(%[v0]) \n\t"
+ "lwc1 %[temp15], 772(%[s0]) \n\t"
+ "lwc1 %[temp16], 1800(%[v0]) \n\t"
+ "lwc1 %[temp17], 776(%[s0]) \n\t"
+ "lwc1 %[temp18], 1804(%[v0]) \n\t"
+ "lwc1 %[temp19], 780(%[s0]) \n\t"
+ "madd.s %[temp0], %[temp0], %[temp4], %[temp5] \n\t"
+ "lwc1 %[temp4], 2048(%[v0]) \n\t"
+ "madd.s %[temp1], %[temp1], %[temp6], %[temp7] \n\t"
+ "lwc1 %[temp5], 1024(%[s0]) \n\t"
+ "madd.s %[temp2], %[temp2], %[temp8], %[temp9] \n\t"
+ "lwc1 %[temp6], 2052(%[v0]) \n\t"
+ "madd.s %[temp3], %[temp3], %[temp10], %[temp11] \n\t"
+ "lwc1 %[temp7], 1028(%[s0]) \n\t"
+ "madd.s %[temp0], %[temp0], %[temp12], %[temp13] \n\t"
+ "lwc1 %[temp8], 2056(%[v0]) \n\t"
+ "madd.s %[temp1], %[temp1], %[temp14], %[temp15] \n\t"
+ "lwc1 %[temp9], 1032(%[s0]) \n\t"
+ "madd.s %[temp2], %[temp2], %[temp16], %[temp17] \n\t"
+ "lwc1 %[temp10], 2060(%[v0]) \n\t"
+ "madd.s %[temp3], %[temp3], %[temp18], %[temp19] \n\t"
+ "lwc1 %[temp11], 1036(%[s0]) \n\t"
+ "lwc1 %[temp12], 2816(%[v0]) \n\t"
+ "lwc1 %[temp13], 1280(%[s0]) \n\t"
+ "lwc1 %[temp14], 2820(%[v0]) \n\t"
+ "lwc1 %[temp15], 1284(%[s0]) \n\t"
+ "lwc1 %[temp16], 2824(%[v0]) \n\t"
+ "lwc1 %[temp17], 1288(%[s0]) \n\t"
+ "lwc1 %[temp18], 2828(%[v0]) \n\t"
+ "lwc1 %[temp19], 1292(%[s0]) \n\t"
+ "madd.s %[temp0], %[temp0], %[temp4], %[temp5] \n\t"
+ "lwc1 %[temp4], 3072(%[v0]) \n\t"
+ "madd.s %[temp1], %[temp1], %[temp6], %[temp7] \n\t"
+ "lwc1 %[temp5], 1536(%[s0]) \n\t"
+ "madd.s %[temp2], %[temp2], %[temp8], %[temp9] \n\t"
+ "lwc1 %[temp6], 3076(%[v0]) \n\t"
+ "madd.s %[temp3], %[temp3], %[temp10], %[temp11] \n\t"
+ "lwc1 %[temp7], 1540(%[s0]) \n\t"
+ "madd.s %[temp0], %[temp0], %[temp12], %[temp13] \n\t"
+ "lwc1 %[temp8], 3080(%[v0]) \n\t"
+ "madd.s %[temp1], %[temp1], %[temp14], %[temp15] \n\t"
+ "lwc1 %[temp9], 1544(%[s0]) \n\t"
+ "madd.s %[temp2], %[temp2], %[temp16], %[temp17] \n\t"
+ "lwc1 %[temp10], 3084(%[v0]) \n\t"
+ "madd.s %[temp3], %[temp3], %[temp18], %[temp19] \n\t"
+ "lwc1 %[temp11], 1548(%[s0]) \n\t"
+ "lwc1 %[temp12], 3840(%[v0]) \n\t"
+ "lwc1 %[temp13], 1792(%[s0]) \n\t"
+ "lwc1 %[temp14], 3844(%[v0]) \n\t"
+ "lwc1 %[temp15], 1796(%[s0]) \n\t"
+ "lwc1 %[temp16], 3848(%[v0]) \n\t"
+ "lwc1 %[temp17], 1800(%[s0]) \n\t"
+ "lwc1 %[temp18], 3852(%[v0]) \n\t"
+ "lwc1 %[temp19], 1804(%[s0]) \n\t"
+ "madd.s %[temp0], %[temp0], %[temp4], %[temp5] \n\t"
+ "lwc1 %[temp4], 4096(%[v0]) \n\t"
+ "madd.s %[temp1], %[temp1], %[temp6], %[temp7] \n\t"
+ "lwc1 %[temp5], 2048(%[s0]) \n\t"
+ "madd.s %[temp2], %[temp2], %[temp8], %[temp9] \n\t"
+ "lwc1 %[temp6], 4100(%[v0]) \n\t"
+ "madd.s %[temp3], %[temp3], %[temp10], %[temp11] \n\t"
+ "lwc1 %[temp7], 2052(%[s0]) \n\t"
+ "madd.s %[temp0], %[temp0], %[temp12], %[temp13] \n\t"
+ "lwc1 %[temp8], 4104(%[v0]) \n\t"
+ "addiu %[dst], %[dst], 16 \n\t"
+ "madd.s %[temp1], %[temp1], %[temp14], %[temp15] \n\t"
+ "lwc1 %[temp9], 2056(%[s0]) \n\t"
+ "addiu %[s0], %[s0], 16 \n\t"
+ "madd.s %[temp2], %[temp2], %[temp16], %[temp17] \n\t"
+ "lwc1 %[temp10], 4108(%[v0]) \n\t"
+ "addiu %[v0], %[v0], 16 \n\t"
+ "madd.s %[temp3], %[temp3], %[temp18], %[temp19] \n\t"
+ "lwc1 %[temp11], 2044(%[s0]) \n\t"
+ "lwc1 %[temp12], 4848(%[v0]) \n\t"
+ "lwc1 %[temp13], 2288(%[s0]) \n\t"
+ "lwc1 %[temp14], 4852(%[v0]) \n\t"
+ "lwc1 %[temp15], 2292(%[s0]) \n\t"
+ "lwc1 %[temp16], 4856(%[v0]) \n\t"
+ "lwc1 %[temp17], 2296(%[s0]) \n\t"
+ "lwc1 %[temp18], 4860(%[v0]) \n\t"
+ "lwc1 %[temp19], 2300(%[s0]) \n\t"
+ "madd.s %[temp0], %[temp0], %[temp4], %[temp5] \n\t"
+ "lwc1 %[temp4], 0(%[v0]) \n\t"
+ "madd.s %[temp1], %[temp1], %[temp6], %[temp7] \n\t"
+ "lwc1 %[temp5], 0(%[s0]) \n\t"
+ "madd.s %[temp2], %[temp2], %[temp8], %[temp9] \n\t"
+ "lwc1 %[temp6], 4(%[v0]) \n\t"
+ "madd.s %[temp3], %[temp3], %[temp10], %[temp11] \n\t"
+ "lwc1 %[temp7], 4(%[s0]) \n\t"
+ "madd.s %[temp0], %[temp0], %[temp12], %[temp13] \n\t"
+ "lwc1 %[temp8], 8(%[v0]) \n\t"
+ "madd.s %[temp1], %[temp1], %[temp14], %[temp15] \n\t"
+ "lwc1 %[temp9], 8(%[s0]) \n\t"
+ "madd.s %[temp2], %[temp2], %[temp16], %[temp17] \n\t"
+ "lwc1 %[temp10], 12(%[v0]) \n\t"
+ "madd.s %[temp3], %[temp3], %[temp18], %[temp19] \n\t"
+ "lwc1 %[temp11], 12(%[s0]) \n\t"
+ "lwc1 %[temp12], 768(%[v0]) \n\t"
+ "lwc1 %[temp13], 256(%[s0]) \n\t"
+ "lwc1 %[temp14], 772(%[v0]) \n\t"
+ "lwc1 %[temp15], 260(%[s0]) \n\t"
+ "lwc1 %[temp16], 776(%[v0]) \n\t"
+ "lwc1 %[temp17], 264(%[s0]) \n\t"
+ "lwc1 %[temp18], 780(%[v0]) \n\t"
+ "lwc1 %[temp19], 268(%[s0]) \n\t"
+ "swc1 %[temp0], -16(%[dst]) \n\t"
+ "swc1 %[temp1], -12(%[dst]) \n\t"
+ "swc1 %[temp2], -8(%[dst]) \n\t"
+ "bne %[v0], %[v0_end], 1b \n\t"
+ " swc1 %[temp3], -4(%[dst]) \n\t"
+ "mul.s %[temp0], %[temp4], %[temp5] \n\t"
+ "lwc1 %[temp4], 1024(%[v0]) \n\t"
+ "mul.s %[temp1], %[temp6], %[temp7] \n\t"
+ "lwc1 %[temp5], 512(%[s0]) \n\t"
+ "mul.s %[temp2], %[temp8], %[temp9] \n\t"
+ "lwc1 %[temp6], 1028(%[v0]) \n\t"
+ "mul.s %[temp3], %[temp10], %[temp11] \n\t"
+ "lwc1 %[temp7], 516(%[s0]) \n\t"
+ "madd.s %[temp0], %[temp0], %[temp12], %[temp13] \n\t"
+ "lwc1 %[temp8], 1032(%[v0]) \n\t"
+ "madd.s %[temp1], %[temp1], %[temp14], %[temp15] \n\t"
+ "lwc1 %[temp9], 520(%[s0]) \n\t"
+ "madd.s %[temp2], %[temp2], %[temp16], %[temp17] \n\t"
+ "lwc1 %[temp10], 1036(%[v0]) \n\t"
+ "madd.s %[temp3], %[temp3], %[temp18], %[temp19] \n\t"
+ "lwc1 %[temp11], 524(%[s0]) \n\t"
+ "lwc1 %[temp12], 1792(%[v0]) \n\t"
+ "lwc1 %[temp13], 768(%[s0]) \n\t"
+ "lwc1 %[temp14], 1796(%[v0]) \n\t"
+ "lwc1 %[temp15], 772(%[s0]) \n\t"
+ "lwc1 %[temp16], 1800(%[v0]) \n\t"
+ "lwc1 %[temp17], 776(%[s0]) \n\t"
+ "lwc1 %[temp18], 1804(%[v0]) \n\t"
+ "lwc1 %[temp19], 780(%[s0]) \n\t"
+ "madd.s %[temp0], %[temp0], %[temp4], %[temp5] \n\t"
+ "lwc1 %[temp4], 2048(%[v0]) \n\t"
+ "madd.s %[temp1], %[temp1], %[temp6], %[temp7] \n\t"
+ "lwc1 %[temp5], 1024(%[s0]) \n\t"
+ "madd.s %[temp2], %[temp2], %[temp8], %[temp9] \n\t"
+ "lwc1 %[temp6], 2052(%[v0]) \n\t"
+ "madd.s %[temp3], %[temp3], %[temp10], %[temp11] \n\t"
+ "lwc1 %[temp7], 1028(%[s0]) \n\t"
+ "madd.s %[temp0], %[temp0], %[temp12], %[temp13] \n\t"
+ "lwc1 %[temp8], 2056(%[v0]) \n\t"
+ "madd.s %[temp1], %[temp1], %[temp14], %[temp15] \n\t"
+ "lwc1 %[temp9], 1032(%[s0]) \n\t"
+ "madd.s %[temp2], %[temp2], %[temp16], %[temp17] \n\t"
+ "lwc1 %[temp10], 2060(%[v0]) \n\t"
+ "madd.s %[temp3], %[temp3], %[temp18], %[temp19] \n\t"
+ "lwc1 %[temp11], 1036(%[s0]) \n\t"
+ "lwc1 %[temp12], 2816(%[v0]) \n\t"
+ "lwc1 %[temp13], 1280(%[s0]) \n\t"
+ "lwc1 %[temp14], 2820(%[v0]) \n\t"
+ "lwc1 %[temp15], 1284(%[s0]) \n\t"
+ "lwc1 %[temp16], 2824(%[v0]) \n\t"
+ "lwc1 %[temp17], 1288(%[s0]) \n\t"
+ "lwc1 %[temp18], 2828(%[v0]) \n\t"
+ "lwc1 %[temp19], 1292(%[s0]) \n\t"
+ "madd.s %[temp0], %[temp0], %[temp4], %[temp5] \n\t"
+ "lwc1 %[temp4], 3072(%[v0]) \n\t"
+ "madd.s %[temp1], %[temp1], %[temp6], %[temp7] \n\t"
+ "lwc1 %[temp5], 1536(%[s0]) \n\t"
+ "madd.s %[temp2], %[temp2], %[temp8], %[temp9] \n\t"
+ "lwc1 %[temp6], 3076(%[v0]) \n\t"
+ "madd.s %[temp3], %[temp3], %[temp10], %[temp11] \n\t"
+ "lwc1 %[temp7], 1540(%[s0]) \n\t"
+ "madd.s %[temp0], %[temp0], %[temp12], %[temp13] \n\t"
+ "lwc1 %[temp8], 3080(%[v0]) \n\t"
+ "madd.s %[temp1], %[temp1], %[temp14], %[temp15] \n\t"
+ "lwc1 %[temp9], 1544(%[s0]) \n\t"
+ "madd.s %[temp2], %[temp2], %[temp16], %[temp17] \n\t"
+ "lwc1 %[temp10], 3084(%[v0]) \n\t"
+ "madd.s %[temp3], %[temp3], %[temp18], %[temp19] \n\t"
+ "lwc1 %[temp11], 1548(%[s0]) \n\t"
+ "lwc1 %[temp12], 3840(%[v0]) \n\t"
+ "lwc1 %[temp13], 1792(%[s0]) \n\t"
+ "lwc1 %[temp14], 3844(%[v0]) \n\t"
+ "lwc1 %[temp15], 1796(%[s0]) \n\t"
+ "lwc1 %[temp16], 3848(%[v0]) \n\t"
+ "lwc1 %[temp17], 1800(%[s0]) \n\t"
+ "lwc1 %[temp18], 3852(%[v0]) \n\t"
+ "lwc1 %[temp19], 1804(%[s0]) \n\t"
+ "madd.s %[temp0], %[temp0], %[temp4], %[temp5] \n\t"
+ "lwc1 %[temp4], 4096(%[v0]) \n\t"
+ "madd.s %[temp1], %[temp1], %[temp6], %[temp7] \n\t"
+ "lwc1 %[temp5], 2048(%[s0]) \n\t"
+ "madd.s %[temp2], %[temp2], %[temp8], %[temp9] \n\t"
+ "lwc1 %[temp6], 4100(%[v0]) \n\t"
+ "madd.s %[temp3], %[temp3], %[temp10], %[temp11] \n\t"
+ "lwc1 %[temp7], 2052(%[s0]) \n\t"
+ "madd.s %[temp0], %[temp0], %[temp12], %[temp13] \n\t"
+ "lwc1 %[temp8], 4104(%[v0]) \n\t"
+ "madd.s %[temp1], %[temp1], %[temp14], %[temp15] \n\t"
+ "lwc1 %[temp9], 2056(%[s0]) \n\t"
+ "madd.s %[temp2], %[temp2], %[temp16], %[temp17] \n\t"
+ "lwc1 %[temp10], 4108(%[v0]) \n\t"
+ "madd.s %[temp3], %[temp3], %[temp18], %[temp19] \n\t"
+ "lwc1 %[temp11], 2060(%[s0]) \n\t"
+ "lwc1 %[temp12], 4864(%[v0]) \n\t"
+ "lwc1 %[temp13], 2304(%[s0]) \n\t"
+ "lwc1 %[temp14], 4868(%[v0]) \n\t"
+ "lwc1 %[temp15], 2308(%[s0]) \n\t"
+ "madd.s %[temp0], %[temp0], %[temp4], %[temp5] \n\t"
+ "lwc1 %[temp16], 4872(%[v0]) \n\t"
+ "madd.s %[temp1], %[temp1], %[temp6], %[temp7] \n\t"
+ "lwc1 %[temp17], 2312(%[s0]) \n\t"
+ "madd.s %[temp2], %[temp2], %[temp8], %[temp9] \n\t"
+ "lwc1 %[temp18], 4876(%[v0]) \n\t"
+ "madd.s %[temp3], %[temp3], %[temp10], %[temp11] \n\t"
+ "lwc1 %[temp19], 2316(%[s0]) \n\t"
+ "madd.s %[temp0], %[temp0], %[temp12], %[temp13] \n\t"
+ "addiu %[dst], %[dst], 16 \n\t"
+ "madd.s %[temp1], %[temp1], %[temp14], %[temp15] \n\t"
+ "madd.s %[temp2], %[temp2], %[temp16], %[temp17] \n\t"
+ "madd.s %[temp3], %[temp3], %[temp18], %[temp19] \n\t"
+ "swc1 %[temp0], -16(%[dst]) \n\t"
+ "swc1 %[temp1], -12(%[dst]) \n\t"
+ "swc1 %[temp2], -8(%[dst]) \n\t"
+ "swc1 %[temp3], -4(%[dst]) \n\t"
+ ".set pop \n\t"
+
+ : [dst]"+r"(dst), [v0]"+r"(vv0), [s0]"+r"(s0),
+ [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), [temp10]"=&f"(temp10), [temp11]"=&f"(temp11),
+ [temp12]"=&f"(temp12), [temp13]"=&f"(temp13), [temp14]"=&f"(temp14),
+ [temp15]"=&f"(temp15), [temp16]"=&f"(temp16), [temp17]"=&f"(temp17),
+ [temp18]"=&f"(temp18), [temp19]"=&f"(temp19)
+ : [v0_end]"r"(v0_end)
+ : "memory"
+ );
+ }
+ else
+ {
+ fdsp->vector_fmul (out, v , sbr_qmf_window , 64 >> div);
+ fdsp->vector_fmul_add(out, v + ( 192 >> div), sbr_qmf_window + ( 64 >> div), out , 64 >> div);
+ fdsp->vector_fmul_add(out, v + ( 256 >> div), sbr_qmf_window + (128 >> div), out , 64 >> div);
+ fdsp->vector_fmul_add(out, v + ( 448 >> div), sbr_qmf_window + (192 >> div), out , 64 >> div);
+ fdsp->vector_fmul_add(out, v + ( 512 >> div), sbr_qmf_window + (256 >> div), out , 64 >> div);
+ fdsp->vector_fmul_add(out, v + ( 704 >> div), sbr_qmf_window + (320 >> div), out , 64 >> div);
+ fdsp->vector_fmul_add(out, v + ( 768 >> div), sbr_qmf_window + (384 >> div), out , 64 >> div);
+ fdsp->vector_fmul_add(out, v + ( 960 >> div), sbr_qmf_window + (448 >> div), out , 64 >> div);
+ fdsp->vector_fmul_add(out, v + (1024 >> div), sbr_qmf_window + (512 >> div), out , 64 >> div);
+ fdsp->vector_fmul_add(out, v + (1216 >> div), sbr_qmf_window + (576 >> div), out , 64 >> div);
+ out += 64 >> div;
+ }
+ }
+}
+
+#define sbr_qmf_analysis sbr_qmf_analysis_mips
+#define sbr_qmf_synthesis sbr_qmf_synthesis_mips
+
+#endif /* HAVE_MIPSFPU */
+#endif /* HAVE_INLINE_ASM */
+
+#endif /* AVCODEC_MIPS_AACSBR_FLOAT_H */
diff --git a/libavcodec/mips/sbrdsp_mips.c b/libavcodec/mips/sbrdsp_mips.c
new file mode 100644
index 0000000..d4460ba
--- /dev/null
+++ b/libavcodec/mips/sbrdsp_mips.c
@@ -0,0 +1,940 @@
+/*
+ * 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)
+ *
+ * AAC Spectral Band Replication decoding functions optimized for MIPS
+ *
+ * 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/sbrdsp.c
+ */
+
+#include "config.h"
+#include "libavcodec/sbrdsp.h"
+
+#if HAVE_INLINE_ASM
+static void sbr_neg_odd_64_mips(float *x)
+{
+ int Temp1, Temp2, Temp3, Temp4, Temp5;
+ float *x1 = &x[1];
+ float *x_end = x1 + 64;
+
+ /* loop unrolled 4 times */
+ __asm__ volatile (
+ "lui %[Temp5], 0x8000 \n\t"
+ "1: \n\t"
+ "lw %[Temp1], 0(%[x1]) \n\t"
+ "lw %[Temp2], 8(%[x1]) \n\t"
+ "lw %[Temp3], 16(%[x1]) \n\t"
+ "lw %[Temp4], 24(%[x1]) \n\t"
+ "xor %[Temp1], %[Temp1], %[Temp5] \n\t"
+ "xor %[Temp2], %[Temp2], %[Temp5] \n\t"
+ "xor %[Temp3], %[Temp3], %[Temp5] \n\t"
+ "xor %[Temp4], %[Temp4], %[Temp5] \n\t"
+ "sw %[Temp1], 0(%[x1]) \n\t"
+ "sw %[Temp2], 8(%[x1]) \n\t"
+ "sw %[Temp3], 16(%[x1]) \n\t"
+ "sw %[Temp4], 24(%[x1]) \n\t"
+ "addiu %[x1], %[x1], 32 \n\t"
+ "bne %[x1], %[x_end], 1b \n\t"
+
+ : [Temp1]"=&r"(Temp1), [Temp2]"=&r"(Temp2),
+ [Temp3]"=&r"(Temp3), [Temp4]"=&r"(Temp4),
+ [Temp5]"=&r"(Temp5), [x1]"+r"(x1)
+ : [x_end]"r"(x_end)
+ : "memory"
+ );
+}
+
+static void sbr_qmf_pre_shuffle_mips(float *z)
+{
+ int Temp1, Temp2, Temp3, Temp4, Temp5, Temp6;
+ float *z1 = &z[66];
+ float *z2 = &z[59];
+ float *z3 = &z[2];
+ float *z4 = z1 + 60;
+
+ /* loop unrolled 5 times */
+ __asm__ volatile (
+ "lui %[Temp6], 0x8000 \n\t"
+ "1: \n\t"
+ "lw %[Temp1], 0(%[z2]) \n\t"
+ "lw %[Temp2], 4(%[z2]) \n\t"
+ "lw %[Temp3], 8(%[z2]) \n\t"
+ "lw %[Temp4], 12(%[z2]) \n\t"
+ "lw %[Temp5], 16(%[z2]) \n\t"
+ "xor %[Temp1], %[Temp1], %[Temp6] \n\t"
+ "xor %[Temp2], %[Temp2], %[Temp6] \n\t"
+ "xor %[Temp3], %[Temp3], %[Temp6] \n\t"
+ "xor %[Temp4], %[Temp4], %[Temp6] \n\t"
+ "xor %[Temp5], %[Temp5], %[Temp6] \n\t"
+ "addiu %[z2], %[z2], -20 \n\t"
+ "sw %[Temp1], 32(%[z1]) \n\t"
+ "sw %[Temp2], 24(%[z1]) \n\t"
+ "sw %[Temp3], 16(%[z1]) \n\t"
+ "sw %[Temp4], 8(%[z1]) \n\t"
+ "sw %[Temp5], 0(%[z1]) \n\t"
+ "lw %[Temp1], 0(%[z3]) \n\t"
+ "lw %[Temp2], 4(%[z3]) \n\t"
+ "lw %[Temp3], 8(%[z3]) \n\t"
+ "lw %[Temp4], 12(%[z3]) \n\t"
+ "lw %[Temp5], 16(%[z3]) \n\t"
+ "sw %[Temp1], 4(%[z1]) \n\t"
+ "sw %[Temp2], 12(%[z1]) \n\t"
+ "sw %[Temp3], 20(%[z1]) \n\t"
+ "sw %[Temp4], 28(%[z1]) \n\t"
+ "sw %[Temp5], 36(%[z1]) \n\t"
+ "addiu %[z3], %[z3], 20 \n\t"
+ "addiu %[z1], %[z1], 40 \n\t"
+ "bne %[z1], %[z4], 1b \n\t"
+ "lw %[Temp1], 132(%[z]) \n\t"
+ "lw %[Temp2], 128(%[z]) \n\t"
+ "lw %[Temp3], 0(%[z]) \n\t"
+ "lw %[Temp4], 4(%[z]) \n\t"
+ "xor %[Temp1], %[Temp1], %[Temp6] \n\t"
+ "sw %[Temp1], 504(%[z]) \n\t"
+ "sw %[Temp2], 508(%[z]) \n\t"
+ "sw %[Temp3], 256(%[z]) \n\t"
+ "sw %[Temp4], 260(%[z]) \n\t"
+
+ : [Temp1]"=&r"(Temp1), [Temp2]"=&r"(Temp2),
+ [Temp3]"=&r"(Temp3), [Temp4]"=&r"(Temp4),
+ [Temp5]"=&r"(Temp5), [Temp6]"=&r"(Temp6),
+ [z1]"+r"(z1), [z2]"+r"(z2), [z3]"+r"(z3)
+ : [z4]"r"(z4), [z]"r"(z)
+ : "memory"
+ );
+}
+
+static void sbr_qmf_post_shuffle_mips(float W[32][2], const float *z)
+{
+ int Temp1, Temp2, Temp3, Temp4, Temp5;
+ float *W_ptr = (float *)W;
+ float *z1 = (float *)z;
+ float *z2 = (float *)&z[60];
+ float *z_end = z1 + 32;
+
+ /* loop unrolled 4 times */
+ __asm__ volatile (
+ "lui %[Temp5], 0x8000 \n\t"
+ "1: \n\t"
+ "lw %[Temp1], 0(%[z2]) \n\t"
+ "lw %[Temp2], 4(%[z2]) \n\t"
+ "lw %[Temp3], 8(%[z2]) \n\t"
+ "lw %[Temp4], 12(%[z2]) \n\t"
+ "xor %[Temp1], %[Temp1], %[Temp5] \n\t"
+ "xor %[Temp2], %[Temp2], %[Temp5] \n\t"
+ "xor %[Temp3], %[Temp3], %[Temp5] \n\t"
+ "xor %[Temp4], %[Temp4], %[Temp5] \n\t"
+ "addiu %[z2], %[z2], -16 \n\t"
+ "sw %[Temp1], 24(%[W_ptr]) \n\t"
+ "sw %[Temp2], 16(%[W_ptr]) \n\t"
+ "sw %[Temp3], 8(%[W_ptr]) \n\t"
+ "sw %[Temp4], 0(%[W_ptr]) \n\t"
+ "lw %[Temp1], 0(%[z1]) \n\t"
+ "lw %[Temp2], 4(%[z1]) \n\t"
+ "lw %[Temp3], 8(%[z1]) \n\t"
+ "lw %[Temp4], 12(%[z1]) \n\t"
+ "sw %[Temp1], 4(%[W_ptr]) \n\t"
+ "sw %[Temp2], 12(%[W_ptr]) \n\t"
+ "sw %[Temp3], 20(%[W_ptr]) \n\t"
+ "sw %[Temp4], 28(%[W_ptr]) \n\t"
+ "addiu %[z1], %[z1], 16 \n\t"
+ "addiu %[W_ptr], %[W_ptr], 32 \n\t"
+ "bne %[z1], %[z_end], 1b \n\t"
+
+ : [Temp1]"=&r"(Temp1), [Temp2]"=&r"(Temp2),
+ [Temp3]"=&r"(Temp3), [Temp4]"=&r"(Temp4),
+ [Temp5]"=&r"(Temp5), [z1]"+r"(z1),
+ [z2]"+r"(z2), [W_ptr]"+r"(W_ptr)
+ : [z_end]"r"(z_end)
+ : "memory"
+ );
+}
+
+#if HAVE_MIPSFPU
+static void sbr_sum64x5_mips(float *z)
+{
+ int k;
+ float *z1;
+ float f1, f2, f3, f4, f5, f6, f7, f8;
+ for (k = 0; k < 64; k += 8) {
+
+ z1 = &z[k];
+
+ /* loop unrolled 8 times */
+ __asm__ volatile (
+ "lwc1 $f0, 0(%[z1]) \n\t"
+ "lwc1 $f1, 256(%[z1]) \n\t"
+ "lwc1 $f2, 4(%[z1]) \n\t"
+ "lwc1 $f3, 260(%[z1]) \n\t"
+ "lwc1 $f4, 8(%[z1]) \n\t"
+ "add.s %[f1], $f0, $f1 \n\t"
+ "lwc1 $f5, 264(%[z1]) \n\t"
+ "add.s %[f2], $f2, $f3 \n\t"
+ "lwc1 $f6, 12(%[z1]) \n\t"
+ "lwc1 $f7, 268(%[z1]) \n\t"
+ "add.s %[f3], $f4, $f5 \n\t"
+ "lwc1 $f8, 16(%[z1]) \n\t"
+ "lwc1 $f9, 272(%[z1]) \n\t"
+ "add.s %[f4], $f6, $f7 \n\t"
+ "lwc1 $f10, 20(%[z1]) \n\t"
+ "lwc1 $f11, 276(%[z1]) \n\t"
+ "add.s %[f5], $f8, $f9 \n\t"
+ "lwc1 $f12, 24(%[z1]) \n\t"
+ "lwc1 $f13, 280(%[z1]) \n\t"
+ "add.s %[f6], $f10, $f11 \n\t"
+ "lwc1 $f14, 28(%[z1]) \n\t"
+ "lwc1 $f15, 284(%[z1]) \n\t"
+ "add.s %[f7], $f12, $f13 \n\t"
+ "lwc1 $f0, 512(%[z1]) \n\t"
+ "lwc1 $f1, 516(%[z1]) \n\t"
+ "add.s %[f8], $f14, $f15 \n\t"
+ "lwc1 $f2, 520(%[z1]) \n\t"
+ "add.s %[f1], %[f1], $f0 \n\t"
+ "add.s %[f2], %[f2], $f1 \n\t"
+ "lwc1 $f3, 524(%[z1]) \n\t"
+ "add.s %[f3], %[f3], $f2 \n\t"
+ "lwc1 $f4, 528(%[z1]) \n\t"
+ "lwc1 $f5, 532(%[z1]) \n\t"
+ "add.s %[f4], %[f4], $f3 \n\t"
+ "lwc1 $f6, 536(%[z1]) \n\t"
+ "add.s %[f5], %[f5], $f4 \n\t"
+ "add.s %[f6], %[f6], $f5 \n\t"
+ "lwc1 $f7, 540(%[z1]) \n\t"
+ "add.s %[f7], %[f7], $f6 \n\t"
+ "lwc1 $f0, 768(%[z1]) \n\t"
+ "lwc1 $f1, 772(%[z1]) \n\t"
+ "add.s %[f8], %[f8], $f7 \n\t"
+ "lwc1 $f2, 776(%[z1]) \n\t"
+ "add.s %[f1], %[f1], $f0 \n\t"
+ "add.s %[f2], %[f2], $f1 \n\t"
+ "lwc1 $f3, 780(%[z1]) \n\t"
+ "add.s %[f3], %[f3], $f2 \n\t"
+ "lwc1 $f4, 784(%[z1]) \n\t"
+ "lwc1 $f5, 788(%[z1]) \n\t"
+ "add.s %[f4], %[f4], $f3 \n\t"
+ "lwc1 $f6, 792(%[z1]) \n\t"
+ "add.s %[f5], %[f5], $f4 \n\t"
+ "add.s %[f6], %[f6], $f5 \n\t"
+ "lwc1 $f7, 796(%[z1]) \n\t"
+ "add.s %[f7], %[f7], $f6 \n\t"
+ "lwc1 $f0, 1024(%[z1]) \n\t"
+ "lwc1 $f1, 1028(%[z1]) \n\t"
+ "add.s %[f8], %[f8], $f7 \n\t"
+ "lwc1 $f2, 1032(%[z1]) \n\t"
+ "add.s %[f1], %[f1], $f0 \n\t"
+ "add.s %[f2], %[f2], $f1 \n\t"
+ "lwc1 $f3, 1036(%[z1]) \n\t"
+ "add.s %[f3], %[f3], $f2 \n\t"
+ "lwc1 $f4, 1040(%[z1]) \n\t"
+ "lwc1 $f5, 1044(%[z1]) \n\t"
+ "add.s %[f4], %[f4], $f3 \n\t"
+ "lwc1 $f6, 1048(%[z1]) \n\t"
+ "add.s %[f5], %[f5], $f4 \n\t"
+ "add.s %[f6], %[f6], $f5 \n\t"
+ "lwc1 $f7, 1052(%[z1]) \n\t"
+ "add.s %[f7], %[f7], $f6 \n\t"
+ "swc1 %[f1], 0(%[z1]) \n\t"
+ "swc1 %[f2], 4(%[z1]) \n\t"
+ "add.s %[f8], %[f8], $f7 \n\t"
+ "swc1 %[f3], 8(%[z1]) \n\t"
+ "swc1 %[f4], 12(%[z1]) \n\t"
+ "swc1 %[f5], 16(%[z1]) \n\t"
+ "swc1 %[f6], 20(%[z1]) \n\t"
+ "swc1 %[f7], 24(%[z1]) \n\t"
+ "swc1 %[f8], 28(%[z1]) \n\t"
+
+ : [f1]"=&f"(f1), [f2]"=&f"(f2), [f3]"=&f"(f3),
+ [f4]"=&f"(f4), [f5]"=&f"(f5), [f6]"=&f"(f6),
+ [f7]"=&f"(f7), [f8]"=&f"(f8)
+ : [z1]"r"(z1)
+ : "$f0", "$f1", "$f2", "$f3", "$f4", "$f5",
+ "$f6", "$f7", "$f8", "$f9", "$f10", "$f11",
+ "$f12", "$f13", "$f14", "$f15",
+ "memory"
+ );
+ }
+}
+
+static float sbr_sum_square_mips(float (*x)[2], int n)
+{
+ float sum0 = 0.0f, sum1 = 0.0f;
+ float *p_x;
+ float temp0, temp1, temp2, temp3;
+ float *loop_end;
+ p_x = &x[0][0];
+ loop_end = p_x + (n >> 1)*4 - 4;
+
+ __asm__ volatile (
+ ".set push \n\t"
+ ".set noreorder \n\t"
+ "lwc1 %[temp0], 0(%[p_x]) \n\t"
+ "lwc1 %[temp1], 4(%[p_x]) \n\t"
+ "lwc1 %[temp2], 8(%[p_x]) \n\t"
+ "lwc1 %[temp3], 12(%[p_x]) \n\t"
+ "1: \n\t"
+ "addiu %[p_x], %[p_x], 16 \n\t"
+ "madd.s %[sum0], %[sum0], %[temp0], %[temp0] \n\t"
+ "lwc1 %[temp0], 0(%[p_x]) \n\t"
+ "madd.s %[sum1], %[sum1], %[temp1], %[temp1] \n\t"
+ "lwc1 %[temp1], 4(%[p_x]) \n\t"
+ "madd.s %[sum0], %[sum0], %[temp2], %[temp2] \n\t"
+ "lwc1 %[temp2], 8(%[p_x]) \n\t"
+ "madd.s %[sum1], %[sum1], %[temp3], %[temp3] \n\t"
+ "bne %[p_x], %[loop_end], 1b \n\t"
+ " lwc1 %[temp3], 12(%[p_x]) \n\t"
+ "madd.s %[sum0], %[sum0], %[temp0], %[temp0] \n\t"
+ "madd.s %[sum1], %[sum1], %[temp1], %[temp1] \n\t"
+ "madd.s %[sum0], %[sum0], %[temp2], %[temp2] \n\t"
+ "madd.s %[sum1], %[sum1], %[temp3], %[temp3] \n\t"
+ ".set pop \n\t"
+
+ : [temp0]"=&f"(temp0), [temp1]"=&f"(temp1), [temp2]"=&f"(temp2),
+ [temp3]"=&f"(temp3), [sum0]"+f"(sum0), [sum1]"+f"(sum1),
+ [p_x]"+r"(p_x)
+ : [loop_end]"r"(loop_end)
+ : "memory"
+ );
+ return sum0 + sum1;
+}
+
+static void sbr_qmf_deint_bfly_mips(float *v, const float *src0, const float *src1)
+{
+ int i;
+ float temp0, temp1, temp2, temp3, temp4, temp5;
+ float temp6, temp7, temp8, temp9, temp10, temp11;
+ float *v0 = v;
+ float *v1 = &v[127];
+ float *psrc0 = (float*)src0;
+ float *psrc1 = (float*)&src1[63];
+
+ for (i = 0; i < 4; i++) {
+
+ /* loop unrolled 16 times */
+ __asm__ volatile(
+ "lwc1 %[temp0], 0(%[src0]) \n\t"
+ "lwc1 %[temp1], 0(%[src1]) \n\t"
+ "lwc1 %[temp3], 4(%[src0]) \n\t"
+ "lwc1 %[temp4], -4(%[src1]) \n\t"
+ "lwc1 %[temp6], 8(%[src0]) \n\t"
+ "lwc1 %[temp7], -8(%[src1]) \n\t"
+ "lwc1 %[temp9], 12(%[src0]) \n\t"
+ "lwc1 %[temp10], -12(%[src1]) \n\t"
+ "add.s %[temp2], %[temp0], %[temp1] \n\t"
+ "add.s %[temp5], %[temp3], %[temp4] \n\t"
+ "add.s %[temp8], %[temp6], %[temp7] \n\t"
+ "add.s %[temp11], %[temp9], %[temp10] \n\t"
+ "sub.s %[temp0], %[temp0], %[temp1] \n\t"
+ "sub.s %[temp3], %[temp3], %[temp4] \n\t"
+ "sub.s %[temp6], %[temp6], %[temp7] \n\t"
+ "sub.s %[temp9], %[temp9], %[temp10] \n\t"
+ "swc1 %[temp2], 0(%[v1]) \n\t"
+ "swc1 %[temp0], 0(%[v0]) \n\t"
+ "swc1 %[temp5], -4(%[v1]) \n\t"
+ "swc1 %[temp3], 4(%[v0]) \n\t"
+ "swc1 %[temp8], -8(%[v1]) \n\t"
+ "swc1 %[temp6], 8(%[v0]) \n\t"
+ "swc1 %[temp11], -12(%[v1]) \n\t"
+ "swc1 %[temp9], 12(%[v0]) \n\t"
+ "lwc1 %[temp0], 16(%[src0]) \n\t"
+ "lwc1 %[temp1], -16(%[src1]) \n\t"
+ "lwc1 %[temp3], 20(%[src0]) \n\t"
+ "lwc1 %[temp4], -20(%[src1]) \n\t"
+ "lwc1 %[temp6], 24(%[src0]) \n\t"
+ "lwc1 %[temp7], -24(%[src1]) \n\t"
+ "lwc1 %[temp9], 28(%[src0]) \n\t"
+ "lwc1 %[temp10], -28(%[src1]) \n\t"
+ "add.s %[temp2], %[temp0], %[temp1] \n\t"
+ "add.s %[temp5], %[temp3], %[temp4] \n\t"
+ "add.s %[temp8], %[temp6], %[temp7] \n\t"
+ "add.s %[temp11], %[temp9], %[temp10] \n\t"
+ "sub.s %[temp0], %[temp0], %[temp1] \n\t"
+ "sub.s %[temp3], %[temp3], %[temp4] \n\t"
+ "sub.s %[temp6], %[temp6], %[temp7] \n\t"
+ "sub.s %[temp9], %[temp9], %[temp10] \n\t"
+ "swc1 %[temp2], -16(%[v1]) \n\t"
+ "swc1 %[temp0], 16(%[v0]) \n\t"
+ "swc1 %[temp5], -20(%[v1]) \n\t"
+ "swc1 %[temp3], 20(%[v0]) \n\t"
+ "swc1 %[temp8], -24(%[v1]) \n\t"
+ "swc1 %[temp6], 24(%[v0]) \n\t"
+ "swc1 %[temp11], -28(%[v1]) \n\t"
+ "swc1 %[temp9], 28(%[v0]) \n\t"
+ "lwc1 %[temp0], 32(%[src0]) \n\t"
+ "lwc1 %[temp1], -32(%[src1]) \n\t"
+ "lwc1 %[temp3], 36(%[src0]) \n\t"
+ "lwc1 %[temp4], -36(%[src1]) \n\t"
+ "lwc1 %[temp6], 40(%[src0]) \n\t"
+ "lwc1 %[temp7], -40(%[src1]) \n\t"
+ "lwc1 %[temp9], 44(%[src0]) \n\t"
+ "lwc1 %[temp10], -44(%[src1]) \n\t"
+ "add.s %[temp2], %[temp0], %[temp1] \n\t"
+ "add.s %[temp5], %[temp3], %[temp4] \n\t"
+ "add.s %[temp8], %[temp6], %[temp7] \n\t"
+ "add.s %[temp11], %[temp9], %[temp10] \n\t"
+ "sub.s %[temp0], %[temp0], %[temp1] \n\t"
+ "sub.s %[temp3], %[temp3], %[temp4] \n\t"
+ "sub.s %[temp6], %[temp6], %[temp7] \n\t"
+ "sub.s %[temp9], %[temp9], %[temp10] \n\t"
+ "swc1 %[temp2], -32(%[v1]) \n\t"
+ "swc1 %[temp0], 32(%[v0]) \n\t"
+ "swc1 %[temp5], -36(%[v1]) \n\t"
+ "swc1 %[temp3], 36(%[v0]) \n\t"
+ "swc1 %[temp8], -40(%[v1]) \n\t"
+ "swc1 %[temp6], 40(%[v0]) \n\t"
+ "swc1 %[temp11], -44(%[v1]) \n\t"
+ "swc1 %[temp9], 44(%[v0]) \n\t"
+ "lwc1 %[temp0], 48(%[src0]) \n\t"
+ "lwc1 %[temp1], -48(%[src1]) \n\t"
+ "lwc1 %[temp3], 52(%[src0]) \n\t"
+ "lwc1 %[temp4], -52(%[src1]) \n\t"
+ "lwc1 %[temp6], 56(%[src0]) \n\t"
+ "lwc1 %[temp7], -56(%[src1]) \n\t"
+ "lwc1 %[temp9], 60(%[src0]) \n\t"
+ "lwc1 %[temp10], -60(%[src1]) \n\t"
+ "add.s %[temp2], %[temp0], %[temp1] \n\t"
+ "add.s %[temp5], %[temp3], %[temp4] \n\t"
+ "add.s %[temp8], %[temp6], %[temp7] \n\t"
+ "add.s %[temp11], %[temp9], %[temp10] \n\t"
+ "sub.s %[temp0], %[temp0], %[temp1] \n\t"
+ "sub.s %[temp3], %[temp3], %[temp4] \n\t"
+ "sub.s %[temp6], %[temp6], %[temp7] \n\t"
+ "sub.s %[temp9], %[temp9], %[temp10] \n\t"
+ "swc1 %[temp2], -48(%[v1]) \n\t"
+ "swc1 %[temp0], 48(%[v0]) \n\t"
+ "swc1 %[temp5], -52(%[v1]) \n\t"
+ "swc1 %[temp3], 52(%[v0]) \n\t"
+ "swc1 %[temp8], -56(%[v1]) \n\t"
+ "swc1 %[temp6], 56(%[v0]) \n\t"
+ "swc1 %[temp11], -60(%[v1]) \n\t"
+ "swc1 %[temp9], 60(%[v0]) \n\t"
+ "addiu %[src0], %[src0], 64 \n\t"
+ "addiu %[src1], %[src1], -64 \n\t"
+ "addiu %[v0], %[v0], 64 \n\t"
+ "addiu %[v1], %[v1], -64 \n\t"
+
+ : [v0]"+r"(v0), [v1]"+r"(v1), [src0]"+r"(psrc0), [src1]"+r"(psrc1),
+ [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), [temp10]"=&f"(temp10), [temp11]"=&f"(temp11)
+ :
+ :"memory"
+ );
+ }
+}
+
+static void sbr_autocorrelate_mips(const float x[40][2], float phi[3][2][2])
+{
+ int i;
+ float real_sum_0 = 0.0f;
+ float real_sum_1 = 0.0f;
+ float real_sum_2 = 0.0f;
+ float imag_sum_1 = 0.0f;
+ float imag_sum_2 = 0.0f;
+ float *p_x, *p_phi;
+ float temp0, temp1, temp2, temp3, temp4, temp5, temp6;
+ float temp7, temp_r, temp_r1, temp_r2, temp_r3, temp_r4;
+ p_x = (float*)&x[0][0];
+ p_phi = &phi[0][0][0];
+
+ __asm__ volatile (
+ "lwc1 %[temp0], 8(%[p_x]) \n\t"
+ "lwc1 %[temp1], 12(%[p_x]) \n\t"
+ "lwc1 %[temp2], 16(%[p_x]) \n\t"
+ "lwc1 %[temp3], 20(%[p_x]) \n\t"
+ "lwc1 %[temp4], 24(%[p_x]) \n\t"
+ "lwc1 %[temp5], 28(%[p_x]) \n\t"
+ "mul.s %[temp_r], %[temp1], %[temp1] \n\t"
+ "mul.s %[temp_r1], %[temp1], %[temp3] \n\t"
+ "mul.s %[temp_r2], %[temp1], %[temp2] \n\t"
+ "mul.s %[temp_r3], %[temp1], %[temp5] \n\t"
+ "mul.s %[temp_r4], %[temp1], %[temp4] \n\t"
+ "madd.s %[temp_r], %[temp_r], %[temp0], %[temp0] \n\t"
+ "madd.s %[temp_r1], %[temp_r1], %[temp0], %[temp2] \n\t"
+ "msub.s %[temp_r2], %[temp_r2], %[temp0], %[temp3] \n\t"
+ "madd.s %[temp_r3], %[temp_r3], %[temp0], %[temp4] \n\t"
+ "msub.s %[temp_r4], %[temp_r4], %[temp0], %[temp5] \n\t"
+ "add.s %[real_sum_0], %[real_sum_0], %[temp_r] \n\t"
+ "add.s %[real_sum_1], %[real_sum_1], %[temp_r1] \n\t"
+ "add.s %[imag_sum_1], %[imag_sum_1], %[temp_r2] \n\t"
+ "add.s %[real_sum_2], %[real_sum_2], %[temp_r3] \n\t"
+ "add.s %[imag_sum_2], %[imag_sum_2], %[temp_r4] \n\t"
+ "addiu %[p_x], %[p_x], 8 \n\t"
+
+ : [temp0]"=&f"(temp0), [temp1]"=&f"(temp1), [temp2]"=&f"(temp2),
+ [temp3]"=&f"(temp3), [temp4]"=&f"(temp4), [temp5]"=&f"(temp5),
+ [real_sum_0]"+f"(real_sum_0), [real_sum_1]"+f"(real_sum_1),
+ [imag_sum_1]"+f"(imag_sum_1), [real_sum_2]"+f"(real_sum_2),
+ [temp_r]"=&f"(temp_r), [temp_r1]"=&f"(temp_r1), [temp_r2]"=&f"(temp_r2),
+ [temp_r3]"=&f"(temp_r3), [temp_r4]"=&f"(temp_r4),
+ [p_x]"+r"(p_x), [imag_sum_2]"+f"(imag_sum_2)
+ :
+ : "memory"
+ );
+
+ for (i = 0; i < 12; i++) {
+ __asm__ volatile (
+ "lwc1 %[temp0], 8(%[p_x]) \n\t"
+ "lwc1 %[temp1], 12(%[p_x]) \n\t"
+ "lwc1 %[temp2], 16(%[p_x]) \n\t"
+ "lwc1 %[temp3], 20(%[p_x]) \n\t"
+ "lwc1 %[temp4], 24(%[p_x]) \n\t"
+ "lwc1 %[temp5], 28(%[p_x]) \n\t"
+ "mul.s %[temp_r], %[temp1], %[temp1] \n\t"
+ "mul.s %[temp_r1], %[temp1], %[temp3] \n\t"
+ "mul.s %[temp_r2], %[temp1], %[temp2] \n\t"
+ "mul.s %[temp_r3], %[temp1], %[temp5] \n\t"
+ "mul.s %[temp_r4], %[temp1], %[temp4] \n\t"
+ "madd.s %[temp_r], %[temp_r], %[temp0], %[temp0] \n\t"
+ "madd.s %[temp_r1], %[temp_r1], %[temp0], %[temp2] \n\t"
+ "msub.s %[temp_r2], %[temp_r2], %[temp0], %[temp3] \n\t"
+ "madd.s %[temp_r3], %[temp_r3], %[temp0], %[temp4] \n\t"
+ "msub.s %[temp_r4], %[temp_r4], %[temp0], %[temp5] \n\t"
+ "add.s %[real_sum_0], %[real_sum_0], %[temp_r] \n\t"
+ "add.s %[real_sum_1], %[real_sum_1], %[temp_r1] \n\t"
+ "add.s %[imag_sum_1], %[imag_sum_1], %[temp_r2] \n\t"
+ "add.s %[real_sum_2], %[real_sum_2], %[temp_r3] \n\t"
+ "add.s %[imag_sum_2], %[imag_sum_2], %[temp_r4] \n\t"
+ "lwc1 %[temp0], 32(%[p_x]) \n\t"
+ "lwc1 %[temp1], 36(%[p_x]) \n\t"
+ "mul.s %[temp_r], %[temp3], %[temp3] \n\t"
+ "mul.s %[temp_r1], %[temp3], %[temp5] \n\t"
+ "mul.s %[temp_r2], %[temp3], %[temp4] \n\t"
+ "mul.s %[temp_r3], %[temp3], %[temp1] \n\t"
+ "mul.s %[temp_r4], %[temp3], %[temp0] \n\t"
+ "madd.s %[temp_r], %[temp_r], %[temp2], %[temp2] \n\t"
+ "madd.s %[temp_r1], %[temp_r1], %[temp2], %[temp4] \n\t"
+ "msub.s %[temp_r2], %[temp_r2], %[temp2], %[temp5] \n\t"
+ "madd.s %[temp_r3], %[temp_r3], %[temp2], %[temp0] \n\t"
+ "msub.s %[temp_r4], %[temp_r4], %[temp2], %[temp1] \n\t"
+ "add.s %[real_sum_0], %[real_sum_0], %[temp_r] \n\t"
+ "add.s %[real_sum_1], %[real_sum_1], %[temp_r1] \n\t"
+ "add.s %[imag_sum_1], %[imag_sum_1], %[temp_r2] \n\t"
+ "add.s %[real_sum_2], %[real_sum_2], %[temp_r3] \n\t"
+ "add.s %[imag_sum_2], %[imag_sum_2], %[temp_r4] \n\t"
+ "lwc1 %[temp2], 40(%[p_x]) \n\t"
+ "lwc1 %[temp3], 44(%[p_x]) \n\t"
+ "mul.s %[temp_r], %[temp5], %[temp5] \n\t"
+ "mul.s %[temp_r1], %[temp5], %[temp1] \n\t"
+ "mul.s %[temp_r2], %[temp5], %[temp0] \n\t"
+ "mul.s %[temp_r3], %[temp5], %[temp3] \n\t"
+ "mul.s %[temp_r4], %[temp5], %[temp2] \n\t"
+ "madd.s %[temp_r], %[temp_r], %[temp4], %[temp4] \n\t"
+ "madd.s %[temp_r1], %[temp_r1], %[temp4], %[temp0] \n\t"
+ "msub.s %[temp_r2], %[temp_r2], %[temp4], %[temp1] \n\t"
+ "madd.s %[temp_r3], %[temp_r3], %[temp4], %[temp2] \n\t"
+ "msub.s %[temp_r4], %[temp_r4], %[temp4], %[temp3] \n\t"
+ "add.s %[real_sum_0], %[real_sum_0], %[temp_r] \n\t"
+ "add.s %[real_sum_1], %[real_sum_1], %[temp_r1] \n\t"
+ "add.s %[imag_sum_1], %[imag_sum_1], %[temp_r2] \n\t"
+ "add.s %[real_sum_2], %[real_sum_2], %[temp_r3] \n\t"
+ "add.s %[imag_sum_2], %[imag_sum_2], %[temp_r4] \n\t"
+ "addiu %[p_x], %[p_x], 24 \n\t"
+
+ : [temp0]"=&f"(temp0), [temp1]"=&f"(temp1), [temp2]"=&f"(temp2),
+ [temp3]"=&f"(temp3), [temp4]"=&f"(temp4), [temp5]"=&f"(temp5),
+ [real_sum_0]"+f"(real_sum_0), [real_sum_1]"+f"(real_sum_1),
+ [imag_sum_1]"+f"(imag_sum_1), [real_sum_2]"+f"(real_sum_2),
+ [temp_r]"=&f"(temp_r), [temp_r1]"=&f"(temp_r1),
+ [temp_r2]"=&f"(temp_r2), [temp_r3]"=&f"(temp_r3),
+ [temp_r4]"=&f"(temp_r4), [p_x]"+r"(p_x),
+ [imag_sum_2]"+f"(imag_sum_2)
+ :
+ : "memory"
+ );
+ }
+ __asm__ volatile (
+ "lwc1 %[temp0], -296(%[p_x]) \n\t"
+ "lwc1 %[temp1], -292(%[p_x]) \n\t"
+ "lwc1 %[temp2], 8(%[p_x]) \n\t"
+ "lwc1 %[temp3], 12(%[p_x]) \n\t"
+ "lwc1 %[temp4], -288(%[p_x]) \n\t"
+ "lwc1 %[temp5], -284(%[p_x]) \n\t"
+ "lwc1 %[temp6], -280(%[p_x]) \n\t"
+ "lwc1 %[temp7], -276(%[p_x]) \n\t"
+ "madd.s %[temp_r], %[real_sum_0], %[temp0], %[temp0] \n\t"
+ "madd.s %[temp_r1], %[real_sum_0], %[temp2], %[temp2] \n\t"
+ "madd.s %[temp_r2], %[real_sum_1], %[temp0], %[temp4] \n\t"
+ "madd.s %[temp_r3], %[imag_sum_1], %[temp0], %[temp5] \n\t"
+ "madd.s %[temp_r], %[temp_r], %[temp1], %[temp1] \n\t"
+ "madd.s %[temp_r1], %[temp_r1], %[temp3], %[temp3] \n\t"
+ "madd.s %[temp_r2], %[temp_r2], %[temp1], %[temp5] \n\t"
+ "nmsub.s %[temp_r3], %[temp_r3], %[temp1], %[temp4] \n\t"
+ "lwc1 %[temp4], 16(%[p_x]) \n\t"
+ "lwc1 %[temp5], 20(%[p_x]) \n\t"
+ "swc1 %[temp_r], 40(%[p_phi]) \n\t"
+ "swc1 %[temp_r1], 16(%[p_phi]) \n\t"
+ "swc1 %[temp_r2], 24(%[p_phi]) \n\t"
+ "swc1 %[temp_r3], 28(%[p_phi]) \n\t"
+ "madd.s %[temp_r], %[real_sum_1], %[temp2], %[temp4] \n\t"
+ "madd.s %[temp_r1], %[imag_sum_1], %[temp2], %[temp5] \n\t"
+ "madd.s %[temp_r2], %[real_sum_2], %[temp0], %[temp6] \n\t"
+ "madd.s %[temp_r3], %[imag_sum_2], %[temp0], %[temp7] \n\t"
+ "madd.s %[temp_r], %[temp_r], %[temp3], %[temp5] \n\t"
+ "nmsub.s %[temp_r1], %[temp_r1], %[temp3], %[temp4] \n\t"
+ "madd.s %[temp_r2], %[temp_r2], %[temp1], %[temp7] \n\t"
+ "nmsub.s %[temp_r3], %[temp_r3], %[temp1], %[temp6] \n\t"
+ "swc1 %[temp_r], 0(%[p_phi]) \n\t"
+ "swc1 %[temp_r1], 4(%[p_phi]) \n\t"
+ "swc1 %[temp_r2], 8(%[p_phi]) \n\t"
+ "swc1 %[temp_r3], 12(%[p_phi]) \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), [temp_r]"=&f"(temp_r),
+ [real_sum_0]"+f"(real_sum_0), [real_sum_1]"+f"(real_sum_1),
+ [real_sum_2]"+f"(real_sum_2), [imag_sum_1]"+f"(imag_sum_1),
+ [temp_r2]"=&f"(temp_r2), [temp_r3]"=&f"(temp_r3),
+ [temp_r1]"=&f"(temp_r1), [p_phi]"+r"(p_phi),
+ [imag_sum_2]"+f"(imag_sum_2)
+ : [p_x]"r"(p_x)
+ : "memory"
+ );
+}
+
+static void sbr_hf_gen_mips(float (*X_high)[2], const float (*X_low)[2],
+ const float alpha0[2], const float alpha1[2],
+ float bw, int start, int end)
+{
+ float alpha[4];
+ int i;
+ float *p_x_low = (float*)&X_low[0][0] + 2*start;
+ float *p_x_high = &X_high[0][0] + 2*start;
+ float temp0, temp1, temp2, temp3, temp4, temp5, temp6;
+ float temp7, temp8, temp9, temp10, temp11, temp12;
+
+ alpha[0] = alpha1[0] * bw * bw;
+ alpha[1] = alpha1[1] * bw * bw;
+ alpha[2] = alpha0[0] * bw;
+ alpha[3] = alpha0[1] * bw;
+
+ for (i = start; i < end; i++) {
+ __asm__ volatile (
+ "lwc1 %[temp0], -16(%[p_x_low]) \n\t"
+ "lwc1 %[temp1], -12(%[p_x_low]) \n\t"
+ "lwc1 %[temp2], -8(%[p_x_low]) \n\t"
+ "lwc1 %[temp3], -4(%[p_x_low]) \n\t"
+ "lwc1 %[temp5], 0(%[p_x_low]) \n\t"
+ "lwc1 %[temp6], 4(%[p_x_low]) \n\t"
+ "lwc1 %[temp7], 0(%[alpha]) \n\t"
+ "lwc1 %[temp8], 4(%[alpha]) \n\t"
+ "lwc1 %[temp9], 8(%[alpha]) \n\t"
+ "lwc1 %[temp10], 12(%[alpha]) \n\t"
+ "addiu %[p_x_high], %[p_x_high], 8 \n\t"
+ "addiu %[p_x_low], %[p_x_low], 8 \n\t"
+ "mul.s %[temp11], %[temp1], %[temp8] \n\t"
+ "msub.s %[temp11], %[temp11], %[temp0], %[temp7] \n\t"
+ "madd.s %[temp11], %[temp11], %[temp2], %[temp9] \n\t"
+ "nmsub.s %[temp11], %[temp11], %[temp3], %[temp10] \n\t"
+ "add.s %[temp11], %[temp11], %[temp5] \n\t"
+ "swc1 %[temp11], -8(%[p_x_high]) \n\t"
+ "mul.s %[temp12], %[temp1], %[temp7] \n\t"
+ "madd.s %[temp12], %[temp12], %[temp0], %[temp8] \n\t"
+ "madd.s %[temp12], %[temp12], %[temp3], %[temp9] \n\t"
+ "madd.s %[temp12], %[temp12], %[temp2], %[temp10] \n\t"
+ "add.s %[temp12], %[temp12], %[temp6] \n\t"
+ "swc1 %[temp12], -4(%[p_x_high]) \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), [temp10]"=&f"(temp10), [temp11]"=&f"(temp11),
+ [temp12]"=&f"(temp12), [p_x_high]"+r"(p_x_high),
+ [p_x_low]"+r"(p_x_low)
+ : [alpha]"r"(alpha)
+ : "memory"
+ );
+ }
+}
+
+static void sbr_hf_g_filt_mips(float (*Y)[2], const float (*X_high)[40][2],
+ const float *g_filt, int m_max, intptr_t ixh)
+{
+ float *p_y, *p_x, *p_g;
+ float temp0, temp1, temp2;
+ int loop_end;
+
+ p_g = (float*)&g_filt[0];
+ p_y = &Y[0][0];
+ p_x = (float*)&X_high[0][ixh][0];
+ loop_end = (int)((int*)p_g + m_max);
+
+ __asm__ volatile(
+ ".set push \n\t"
+ ".set noreorder \n\t"
+ "1: \n\t"
+ "lwc1 %[temp0], 0(%[p_g]) \n\t"
+ "lwc1 %[temp1], 0(%[p_x]) \n\t"
+ "lwc1 %[temp2], 4(%[p_x]) \n\t"
+ "mul.s %[temp1], %[temp1], %[temp0] \n\t"
+ "mul.s %[temp2], %[temp2], %[temp0] \n\t"
+ "addiu %[p_g], %[p_g], 4 \n\t"
+ "addiu %[p_x], %[p_x], 320 \n\t"
+ "swc1 %[temp1], 0(%[p_y]) \n\t"
+ "swc1 %[temp2], 4(%[p_y]) \n\t"
+ "bne %[p_g], %[loop_end], 1b \n\t"
+ " addiu %[p_y], %[p_y], 8 \n\t"
+ ".set pop \n\t"
+
+ : [temp0]"=&f"(temp0), [temp1]"=&f"(temp1),
+ [temp2]"=&f"(temp2), [p_x]"+r"(p_x),
+ [p_y]"+r"(p_y), [p_g]"+r"(p_g)
+ : [loop_end]"r"(loop_end)
+ : "memory"
+ );
+}
+
+static void sbr_hf_apply_noise_0_mips(float (*Y)[2], const float *s_m,
+ const float *q_filt, int noise,
+ int kx, int m_max)
+{
+ int m;
+
+ for (m = 0; m < m_max; m++){
+
+ float *Y1=&Y[m][0];
+ float *ff_table;
+ float y0,y1, temp1, temp2, temp4, temp5;
+ int temp0, temp3;
+ const float *s_m1=&s_m[m];
+ const float *q_filt1= &q_filt[m];
+
+ __asm__ volatile(
+ "lwc1 %[y0], 0(%[Y1]) \n\t"
+ "lwc1 %[temp1], 0(%[s_m1]) \n\t"
+ "addiu %[noise], %[noise], 1 \n\t"
+ "andi %[noise], %[noise], 0x1ff \n\t"
+ "sll %[temp0], %[noise], 3 \n\t"
+ "addu %[ff_table], %[ff_sbr_noise_table], %[temp0] \n\t"
+ "add.s %[y0], %[y0], %[temp1] \n\t"
+ "mfc1 %[temp3], %[temp1] \n\t"
+ "bne %[temp3], $0, 1f \n\t"
+ "lwc1 %[y1], 4(%[Y1]) \n\t"
+ "lwc1 %[temp2], 0(%[q_filt1]) \n\t"
+ "lwc1 %[temp4], 0(%[ff_table]) \n\t"
+ "lwc1 %[temp5], 4(%[ff_table]) \n\t"
+ "madd.s %[y0], %[y0], %[temp2], %[temp4] \n\t"
+ "madd.s %[y1], %[y1], %[temp2], %[temp5] \n\t"
+ "swc1 %[y1], 4(%[Y1]) \n\t"
+ "1: \n\t"
+ "swc1 %[y0], 0(%[Y1]) \n\t"
+
+ : [ff_table]"=&r"(ff_table), [y0]"=&f"(y0), [y1]"=&f"(y1),
+ [temp0]"=&r"(temp0), [temp1]"=&f"(temp1), [temp2]"=&f"(temp2),
+ [temp3]"=&r"(temp3), [temp4]"=&f"(temp4), [temp5]"=&f"(temp5)
+ : [ff_sbr_noise_table]"r"(ff_sbr_noise_table), [noise]"r"(noise),
+ [Y1]"r"(Y1), [s_m1]"r"(s_m1), [q_filt1]"r"(q_filt1)
+ : "memory"
+ );
+ }
+}
+
+static void sbr_hf_apply_noise_1_mips(float (*Y)[2], const float *s_m,
+ const float *q_filt, int noise,
+ int kx, int m_max)
+{
+ float y0,y1,temp1, temp2, temp4, temp5;
+ int temp0, temp3, m;
+ float phi_sign = 1 - 2 * (kx & 1);
+
+ for (m = 0; m < m_max; m++) {
+
+ float *ff_table;
+ float *Y1=&Y[m][0];
+ const float *s_m1=&s_m[m];
+ const float *q_filt1= &q_filt[m];
+
+ __asm__ volatile(
+ "lwc1 %[y1], 4(%[Y1]) \n\t"
+ "lwc1 %[temp1], 0(%[s_m1]) \n\t"
+ "lw %[temp3], 0(%[s_m1]) \n\t"
+ "addiu %[noise], %[noise], 1 \n\t"
+ "andi %[noise], %[noise], 0x1ff \n\t"
+ "sll %[temp0], %[noise], 3 \n\t"
+ "addu %[ff_table], %[ff_sbr_noise_table], %[temp0] \n\t"
+ "madd.s %[y1], %[y1], %[temp1], %[phi_sign] \n\t"
+ "bne %[temp3], $0, 1f \n\t"
+ "lwc1 %[y0], 0(%[Y1]) \n\t"
+ "lwc1 %[temp2], 0(%[q_filt1]) \n\t"
+ "lwc1 %[temp4], 0(%[ff_table]) \n\t"
+ "lwc1 %[temp5], 4(%[ff_table]) \n\t"
+ "madd.s %[y0], %[y0], %[temp2], %[temp4] \n\t"
+ "madd.s %[y1], %[y1], %[temp2], %[temp5] \n\t"
+ "swc1 %[y0], 0(%[Y1]) \n\t"
+ "1: \n\t"
+ "swc1 %[y1], 4(%[Y1]) \n\t"
+
+ : [ff_table] "=&r" (ff_table), [y0] "=&f" (y0), [y1] "=&f" (y1),
+ [temp0] "=&r" (temp0), [temp1] "=&f" (temp1), [temp2] "=&f" (temp2),
+ [temp3] "=&r" (temp3), [temp4] "=&f" (temp4), [temp5] "=&f" (temp5)
+ : [ff_sbr_noise_table] "r" (ff_sbr_noise_table), [noise] "r" (noise),
+ [Y1] "r" (Y1), [s_m1] "r" (s_m1), [q_filt1] "r" (q_filt1),
+ [phi_sign] "f" (phi_sign)
+ : "memory"
+ );
+ phi_sign = -phi_sign;
+ }
+}
+
+static void sbr_hf_apply_noise_2_mips(float (*Y)[2], const float *s_m,
+ const float *q_filt, int noise,
+ int kx, int m_max)
+{
+ int m;
+ float *ff_table;
+ float y0,y1, temp0, temp1, temp2, temp3, temp4, temp5;
+
+ for (m = 0; m < m_max; m++) {
+
+ float *Y1=&Y[m][0];
+ const float *s_m1=&s_m[m];
+ const float *q_filt1= &q_filt[m];
+
+ __asm__ volatile(
+ "lwc1 %[y0], 0(%[Y1]) \n\t"
+ "lwc1 %[temp1], 0(%[s_m1]) \n\t"
+ "addiu %[noise], %[noise], 1 \n\t"
+ "andi %[noise], %[noise], 0x1ff \n\t"
+ "sll %[temp0], %[noise], 3 \n\t"
+ "addu %[ff_table], %[ff_sbr_noise_table], %[temp0] \n\t"
+ "sub.s %[y0], %[y0], %[temp1] \n\t"
+ "mfc1 %[temp3], %[temp1] \n\t"
+ "bne %[temp3], $0, 1f \n\t"
+ "lwc1 %[y1], 4(%[Y1]) \n\t"
+ "lwc1 %[temp2], 0(%[q_filt1]) \n\t"
+ "lwc1 %[temp4], 0(%[ff_table]) \n\t"
+ "lwc1 %[temp5], 4(%[ff_table]) \n\t"
+ "madd.s %[y0], %[y0], %[temp2], %[temp4] \n\t"
+ "madd.s %[y1], %[y1], %[temp2], %[temp5] \n\t"
+ "swc1 %[y1], 4(%[Y1]) \n\t"
+ "1: \n\t"
+ "swc1 %[y0], 0(%[Y1]) \n\t"
+
+ : [temp0]"=&r"(temp0), [ff_table]"=&r"(ff_table), [y0]"=&f"(y0),
+ [y1]"=&f"(y1), [temp1]"=&f"(temp1), [temp2]"=&f"(temp2),
+ [temp3]"=&r"(temp3), [temp4]"=&f"(temp4), [temp5]"=&f"(temp5)
+ : [ff_sbr_noise_table]"r"(ff_sbr_noise_table), [noise]"r"(noise),
+ [Y1]"r"(Y1), [s_m1]"r"(s_m1), [q_filt1]"r"(q_filt1)
+ : "memory"
+ );
+ }
+}
+
+static void sbr_hf_apply_noise_3_mips(float (*Y)[2], const float *s_m,
+ const float *q_filt, int noise,
+ int kx, int m_max)
+{
+ float phi_sign = 1 - 2 * (kx & 1);
+ int m;
+
+ for (m = 0; m < m_max; m++) {
+
+ float *Y1=&Y[m][0];
+ float *ff_table;
+ float y0,y1, temp1, temp2, temp4, temp5;
+ int temp0, temp3;
+ const float *s_m1=&s_m[m];
+ const float *q_filt1= &q_filt[m];
+
+ __asm__ volatile(
+ "lwc1 %[y1], 4(%[Y1]) \n\t"
+ "lwc1 %[temp1], 0(%[s_m1]) \n\t"
+ "addiu %[noise], %[noise], 1 \n\t"
+ "andi %[noise], %[noise], 0x1ff \n\t"
+ "sll %[temp0], %[noise], 3 \n\t"
+ "addu %[ff_table], %[ff_sbr_noise_table], %[temp0] \n\t"
+ "nmsub.s %[y1], %[y1], %[temp1], %[phi_sign] \n\t"
+ "mfc1 %[temp3], %[temp1] \n\t"
+ "bne %[temp3], $0, 1f \n\t"
+ "lwc1 %[y0], 0(%[Y1]) \n\t"
+ "lwc1 %[temp2], 0(%[q_filt1]) \n\t"
+ "lwc1 %[temp4], 0(%[ff_table]) \n\t"
+ "lwc1 %[temp5], 4(%[ff_table]) \n\t"
+ "madd.s %[y0], %[y0], %[temp2], %[temp4] \n\t"
+ "madd.s %[y1], %[y1], %[temp2], %[temp5] \n\t"
+ "swc1 %[y0], 0(%[Y1]) \n\t"
+ "1: \n\t"
+ "swc1 %[y1], 4(%[Y1]) \n\t"
+
+ : [ff_table]"=&r"(ff_table), [y0]"=&f"(y0), [y1]"=&f"(y1),
+ [temp0]"=&r"(temp0), [temp1]"=&f"(temp1), [temp2]"=&f"(temp2),
+ [temp3]"=&r"(temp3), [temp4]"=&f"(temp4), [temp5]"=&f"(temp5)
+ : [ff_sbr_noise_table]"r"(ff_sbr_noise_table), [noise]"r"(noise),
+ [Y1]"r"(Y1), [s_m1]"r"(s_m1), [q_filt1]"r"(q_filt1),
+ [phi_sign]"f"(phi_sign)
+ : "memory"
+ );
+ phi_sign = -phi_sign;
+ }
+}
+#endif /* HAVE_MIPSFPU */
+#endif /* HAVE_INLINE_ASM */
+
+void ff_sbrdsp_init_mips(SBRDSPContext *s)
+{
+#if HAVE_INLINE_ASM
+ s->neg_odd_64 = sbr_neg_odd_64_mips;
+ s->qmf_pre_shuffle = sbr_qmf_pre_shuffle_mips;
+ s->qmf_post_shuffle = sbr_qmf_post_shuffle_mips;
+#if HAVE_MIPSFPU
+ s->sum64x5 = sbr_sum64x5_mips;
+ s->sum_square = sbr_sum_square_mips;
+ s->qmf_deint_bfly = sbr_qmf_deint_bfly_mips;
+ s->autocorrelate = sbr_autocorrelate_mips;
+ s->hf_gen = sbr_hf_gen_mips;
+ s->hf_g_filt = sbr_hf_g_filt_mips;
+
+ s->hf_apply_noise[0] = sbr_hf_apply_noise_0_mips;
+ s->hf_apply_noise[1] = sbr_hf_apply_noise_1_mips;
+ s->hf_apply_noise[2] = sbr_hf_apply_noise_2_mips;
+ s->hf_apply_noise[3] = sbr_hf_apply_noise_3_mips;
+#endif /* HAVE_MIPSFPU */
+#endif /* HAVE_INLINE_ASM */
+}
diff --git a/libavcodec/sbr.h b/libavcodec/sbr.h
index 1e41396..e28fccd 100644
--- a/libavcodec/sbr.h
+++ b/libavcodec/sbr.h
@@ -34,6 +34,8 @@
#include "aacps.h"
#include "sbrdsp.h"
+typedef struct AACContext AACContext;
+
/**
* Spectral Band Replication header - spectrum parameters that invoke a reset if they differ from the previous header.
*/
@@ -108,10 +110,31 @@ typedef struct SBRData {
/** @} */
} SBRData;
+typedef struct SpectralBandReplication SpectralBandReplication;
+
+/**
+ * aacsbr functions pointers
+ */
+typedef struct AACSBRContext {
+ int (*sbr_lf_gen)(AACContext *ac, SpectralBandReplication *sbr,
+ float X_low[32][40][2], const float W[2][32][32][2],
+ int buf_idx);
+ void (*sbr_hf_assemble)(float Y1[38][64][2],
+ const float X_high[64][40][2],
+ SpectralBandReplication *sbr, SBRData *ch_data,
+ const int e_a[2]);
+ int (*sbr_x_gen)(SpectralBandReplication *sbr, float X[2][38][64],
+ const float Y0[38][64][2], const float Y1[38][64][2],
+ const float X_low[32][40][2], int ch);
+ void (*sbr_hf_inverse_filter)(SBRDSPContext *dsp,
+ float (*alpha0)[2], float (*alpha1)[2],
+ const float X_low[32][40][2], int k0);
+} AACSBRContext;
+
/**
* Spectral Band Replication
*/
-typedef struct SpectralBandReplication {
+struct SpectralBandReplication {
int sample_rate;
int start;
int reset;
@@ -184,6 +207,7 @@ typedef struct SpectralBandReplication {
FFTContext mdct_ana;
FFTContext mdct;
SBRDSPContext dsp;
-} SpectralBandReplication;
+ AACSBRContext c;
+};
#endif /* AVCODEC_SBR_H */
diff --git a/libavcodec/sbrdsp.c b/libavcodec/sbrdsp.c
index 781ec83..6fede79 100644
--- a/libavcodec/sbrdsp.c
+++ b/libavcodec/sbrdsp.c
@@ -245,4 +245,6 @@ av_cold void ff_sbrdsp_init(SBRDSPContext *s)
ff_sbrdsp_init_arm(s);
if (ARCH_X86)
ff_sbrdsp_init_x86(s);
+ if (ARCH_MIPS)
+ ff_sbrdsp_init_mips(s);
}
diff --git a/libavcodec/sbrdsp.h b/libavcodec/sbrdsp.h
index 07235c6..3831135 100644
--- a/libavcodec/sbrdsp.h
+++ b/libavcodec/sbrdsp.h
@@ -47,5 +47,6 @@ extern const float ff_sbr_noise_table[][2];
void ff_sbrdsp_init(SBRDSPContext *s);
void ff_sbrdsp_init_arm(SBRDSPContext *s);
void ff_sbrdsp_init_x86(SBRDSPContext *s);
+void ff_sbrdsp_init_mips(SBRDSPContext *s);
#endif /* AVCODEC_SBRDSP_H */
diff --git a/libavutil/mips/float_dsp_mips.c b/libavutil/mips/float_dsp_mips.c
index 5211a26..06d52dc 100644
--- a/libavutil/mips/float_dsp_mips.c
+++ b/libavutil/mips/float_dsp_mips.c
@@ -331,6 +331,45 @@ static void butterflies_float_mips(float *av_restrict v1, float *av_restrict v2,
: "memory"
);
}
+
+static void vector_fmul_reverse_mips(float *dst, const float *src0, const float *src1, int len){
+ int i;
+ float temp0, temp1, temp2, temp3, temp4, temp5, temp6, temp7;
+ src1 += len-1;
+
+ for(i=0; i<(len>>2); i++)
+ {
+ /* loop unrolled 4 times */
+ __asm__ volatile(
+ "lwc1 %[temp0], 0(%[src0]) \n\t"
+ "lwc1 %[temp1], 0(%[src1]) \n\t"
+ "lwc1 %[temp2], 4(%[src0]) \n\t"
+ "lwc1 %[temp3], -4(%[src1]) \n\t"
+ "lwc1 %[temp4], 8(%[src0]) \n\t"
+ "lwc1 %[temp5], -8(%[src1]) \n\t"
+ "lwc1 %[temp6], 12(%[src0]) \n\t"
+ "lwc1 %[temp7], -12(%[src1]) \n\t"
+ "mul.s %[temp0], %[temp1], %[temp0] \n\t"
+ "mul.s %[temp2], %[temp3], %[temp2] \n\t"
+ "mul.s %[temp4], %[temp5], %[temp4] \n\t"
+ "mul.s %[temp6], %[temp7], %[temp6] \n\t"
+ "addiu %[src0], %[src0], 16 \n\t"
+ "addiu %[src1], %[src1], -16 \n\t"
+ "addiu %[dst], %[dst], 16 \n\t"
+ "swc1 %[temp0], -16(%[dst]) \n\t"
+ "swc1 %[temp2], -12(%[dst]) \n\t"
+ "swc1 %[temp4], -8(%[dst]) \n\t"
+ "swc1 %[temp6], -4(%[dst]) \n\t"
+
+ : [dst]"+r"(dst), [src0]"+r"(src0), [src1]"+r"(src1),
+ [temp0]"=&f"(temp0), [temp1]"=&f"(temp1),[temp2]"=&f"(temp2),
+ [temp3]"=&f"(temp3), [temp4]"=&f"(temp4), [temp5]"=&f"(temp5),
+ [temp6]"=&f"(temp6), [temp7]"=&f"(temp7)
+ :
+ : "memory"
+ );
+ }
+}
#endif /* HAVE_INLINE_ASM && HAVE_MIPSFPU */
void ff_float_dsp_init_mips(AVFloatDSPContext *fdsp) {
@@ -339,5 +378,6 @@ void ff_float_dsp_init_mips(AVFloatDSPContext *fdsp) {
fdsp->vector_fmul_scalar = vector_fmul_scalar_mips;
fdsp->vector_fmul_window = vector_fmul_window_mips;
fdsp->butterflies_float = butterflies_float_mips;
+ fdsp->vector_fmul_reverse = vector_fmul_reverse_mips;
#endif /* HAVE_INLINE_ASM && HAVE_MIPSFPU */
}
OpenPOWER on IntegriCloud