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kolibrios/contrib/sdk/sources/ffmpeg/ffmpeg-2.1/libavcodec/mips/aaccoder_mips.c

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upload sdk git-svn-id: svn://kolibrios.org@4349 a494cfbc-eb01-0410-851d-a64ba20cac60
2013-12-15 09:09:20 +01:00
/*
* 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.
*
* Author: Stanislav Ocovaj (socovaj@mips.com)
* Szabolcs Pal (sabolc@mips.com)
*
* AAC coefficients encoder optimized for MIPS floating-point architecture
*
* 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/aaccoder.c
*/
#include "libavutil/libm.h"
#include <float.h>
#include "libavutil/mathematics.h"
#include "libavcodec/avcodec.h"
#include "libavcodec/put_bits.h"
#include "libavcodec/aac.h"
#include "libavcodec/aacenc.h"
#include "libavcodec/aactab.h"
#if HAVE_INLINE_ASM
typedef struct BandCodingPath {
int prev_idx;
float cost;
int run;
} BandCodingPath;
static const uint8_t run_value_bits_long[64] = {
5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 10,
10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10,
10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 15
};
static const uint8_t run_value_bits_short[16] = {
3, 3, 3, 3, 3, 3, 3, 6, 6, 6, 6, 6, 6, 6, 6, 9
};
static const uint8_t *run_value_bits[2] = {
run_value_bits_long, run_value_bits_short
};
static const uint8_t uquad_sign_bits[81] = {
0, 1, 1, 1, 2, 2, 1, 2, 2,
1, 2, 2, 2, 3, 3, 2, 3, 3,
1, 2, 2, 2, 3, 3, 2, 3, 3,
1, 2, 2, 2, 3, 3, 2, 3, 3,
2, 3, 3, 3, 4, 4, 3, 4, 4,
2, 3, 3, 3, 4, 4, 3, 4, 4,
1, 2, 2, 2, 3, 3, 2, 3, 3,
2, 3, 3, 3, 4, 4, 3, 4, 4,
2, 3, 3, 3, 4, 4, 3, 4, 4
};
static const uint8_t upair7_sign_bits[64] = {
0, 1, 1, 1, 1, 1, 1, 1,
1, 2, 2, 2, 2, 2, 2, 2,
1, 2, 2, 2, 2, 2, 2, 2,
1, 2, 2, 2, 2, 2, 2, 2,
1, 2, 2, 2, 2, 2, 2, 2,
1, 2, 2, 2, 2, 2, 2, 2,
1, 2, 2, 2, 2, 2, 2, 2,
1, 2, 2, 2, 2, 2, 2, 2,
};
static const uint8_t upair12_sign_bits[169] = {
0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2
};
static const uint8_t esc_sign_bits[289] = {
0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2
};
static void abs_pow34_v(float *out, const float *in, const int size) {
#ifndef USE_REALLY_FULL_SEARCH
int i;
float a, b, c, d;
float ax, bx, cx, dx;
for (i = 0; i < size; i += 4) {
a = fabsf(in[i ]);
b = fabsf(in[i+1]);
c = fabsf(in[i+2]);
d = fabsf(in[i+3]);
ax = sqrtf(a);
bx = sqrtf(b);
cx = sqrtf(c);
dx = sqrtf(d);
a = a * ax;
b = b * bx;
c = c * cx;
d = d * dx;
out[i ] = sqrtf(a);
out[i+1] = sqrtf(b);
out[i+2] = sqrtf(c);
out[i+3] = sqrtf(d);
}
#endif /* USE_REALLY_FULL_SEARCH */
}
static float find_max_val(int group_len, int swb_size, const float *scaled) {
float maxval = 0.0f;
int w2, i;
for (w2 = 0; w2 < group_len; w2++) {
for (i = 0; i < swb_size; i++) {
maxval = FFMAX(maxval, scaled[w2*128+i]);
}
}
return maxval;
}
static int find_min_book(float maxval, int sf) {
float Q = ff_aac_pow2sf_tab[POW_SF2_ZERO - sf + SCALE_ONE_POS - SCALE_DIV_512];
float Q34 = sqrtf(Q * sqrtf(Q));
int qmaxval, cb;
qmaxval = maxval * Q34 + 0.4054f;
if (qmaxval == 0) cb = 0;
else if (qmaxval == 1) cb = 1;
else if (qmaxval == 2) cb = 3;
else if (qmaxval <= 4) cb = 5;
else if (qmaxval <= 7) cb = 7;
else if (qmaxval <= 12) cb = 9;
else cb = 11;
return cb;
}
/**
* Functions developed from template function and optimized for quantizing and encoding band
*/
static void quantize_and_encode_band_cost_SQUAD_mips(struct AACEncContext *s,
PutBitContext *pb, const float *in,
const float *scaled, int size, int scale_idx,
int cb, const float lambda, const float uplim,
int *bits)
{
const float Q34 = ff_aac_pow34sf_tab[POW_SF2_ZERO - scale_idx + SCALE_ONE_POS - SCALE_DIV_512];
int i;
int qc1, qc2, qc3, qc4;
uint8_t *p_bits = (uint8_t *)ff_aac_spectral_bits[cb-1];
uint16_t *p_codes = (uint16_t *)ff_aac_spectral_codes[cb-1];
abs_pow34_v(s->scoefs, in, size);
scaled = s->scoefs;
for (i = 0; i < size; i += 4) {
int curidx;
int *in_int = (int *)&in[i];
qc1 = scaled[i ] * Q34 + 0.4054f;
qc2 = scaled[i+1] * Q34 + 0.4054f;
qc3 = scaled[i+2] * Q34 + 0.4054f;
qc4 = scaled[i+3] * Q34 + 0.4054f;
__asm__ volatile (
".set push \n\t"
".set noreorder \n\t"
"slt %[qc1], $zero, %[qc1] \n\t"
"slt %[qc2], $zero, %[qc2] \n\t"
"slt %[qc3], $zero, %[qc3] \n\t"
"slt %[qc4], $zero, %[qc4] \n\t"
"lw $t0, 0(%[in_int]) \n\t"
"lw $t1, 4(%[in_int]) \n\t"
"lw $t2, 8(%[in_int]) \n\t"
"lw $t3, 12(%[in_int]) \n\t"
"srl $t0, $t0, 31 \n\t"
"srl $t1, $t1, 31 \n\t"
"srl $t2, $t2, 31 \n\t"
"srl $t3, $t3, 31 \n\t"
"subu $t4, $zero, %[qc1] \n\t"
"subu $t5, $zero, %[qc2] \n\t"
"subu $t6, $zero, %[qc3] \n\t"
"subu $t7, $zero, %[qc4] \n\t"
"movn %[qc1], $t4, $t0 \n\t"
"movn %[qc2], $t5, $t1 \n\t"
"movn %[qc3], $t6, $t2 \n\t"
"movn %[qc4], $t7, $t3 \n\t"
".set pop \n\t"
: [qc1]"+r"(qc1), [qc2]"+r"(qc2),
[qc3]"+r"(qc3), [qc4]"+r"(qc4)
: [in_int]"r"(in_int)
: "t0", "t1", "t2", "t3",
"t4", "t5", "t6", "t7",
"memory"
);
curidx = qc1;
curidx *= 3;
curidx += qc2;
curidx *= 3;
curidx += qc3;
curidx *= 3;
curidx += qc4;
curidx += 40;
put_bits(pb, p_bits[curidx], p_codes[curidx]);
}
}
static void quantize_and_encode_band_cost_UQUAD_mips(struct AACEncContext *s,
PutBitContext *pb, const float *in,
const float *scaled, int size, int scale_idx,
int cb, const float lambda, const float uplim,
int *bits)
{
const float Q34 = ff_aac_pow34sf_tab[POW_SF2_ZERO - scale_idx + SCALE_ONE_POS - SCALE_DIV_512];
int i;
int qc1, qc2, qc3, qc4;
uint8_t *p_bits = (uint8_t *)ff_aac_spectral_bits[cb-1];
uint16_t *p_codes = (uint16_t *)ff_aac_spectral_codes[cb-1];
abs_pow34_v(s->scoefs, in, size);
scaled = s->scoefs;
for (i = 0; i < size; i += 4) {
int curidx, sign, count;
int *in_int = (int *)&in[i];
uint8_t v_bits;
unsigned int v_codes;
qc1 = scaled[i ] * Q34 + 0.4054f;
qc2 = scaled[i+1] * Q34 + 0.4054f;
qc3 = scaled[i+2] * Q34 + 0.4054f;
qc4 = scaled[i+3] * Q34 + 0.4054f;
__asm__ volatile (
".set push \n\t"
".set noreorder \n\t"
"ori $t4, $zero, 2 \n\t"
"ori %[sign], $zero, 0 \n\t"
"slt $t0, $t4, %[qc1] \n\t"
"slt $t1, $t4, %[qc2] \n\t"
"slt $t2, $t4, %[qc3] \n\t"
"slt $t3, $t4, %[qc4] \n\t"
"movn %[qc1], $t4, $t0 \n\t"
"movn %[qc2], $t4, $t1 \n\t"
"movn %[qc3], $t4, $t2 \n\t"
"movn %[qc4], $t4, $t3 \n\t"
"lw $t0, 0(%[in_int]) \n\t"
"lw $t1, 4(%[in_int]) \n\t"
"lw $t2, 8(%[in_int]) \n\t"
"lw $t3, 12(%[in_int]) \n\t"
"slt $t0, $t0, $zero \n\t"
"movn %[sign], $t0, %[qc1] \n\t"
"slt $t1, $t1, $zero \n\t"
"slt $t2, $t2, $zero \n\t"
"slt $t3, $t3, $zero \n\t"
"sll $t0, %[sign], 1 \n\t"
"or $t0, $t0, $t1 \n\t"
"movn %[sign], $t0, %[qc2] \n\t"
"slt $t4, $zero, %[qc1] \n\t"
"slt $t1, $zero, %[qc2] \n\t"
"slt %[count], $zero, %[qc3] \n\t"
"sll $t0, %[sign], 1 \n\t"
"or $t0, $t0, $t2 \n\t"
"movn %[sign], $t0, %[qc3] \n\t"
"slt $t2, $zero, %[qc4] \n\t"
"addu %[count], %[count], $t4 \n\t"
"addu %[count], %[count], $t1 \n\t"
"sll $t0, %[sign], 1 \n\t"
"or $t0, $t0, $t3 \n\t"
"movn %[sign], $t0, %[qc4] \n\t"
"addu %[count], %[count], $t2 \n\t"
".set pop \n\t"
: [qc1]"+r"(qc1), [qc2]"+r"(qc2),
[qc3]"+r"(qc3), [qc4]"+r"(qc4),
[sign]"=&r"(sign), [count]"=&r"(count)
: [in_int]"r"(in_int)
: "t0", "t1", "t2", "t3", "t4",
"memory"
);
curidx = qc1;
curidx *= 3;
curidx += qc2;
curidx *= 3;
curidx += qc3;
curidx *= 3;
curidx += qc4;
v_codes = (p_codes[curidx] << count) | (sign & ((1 << count) - 1));
v_bits = p_bits[curidx] + count;
put_bits(pb, v_bits, v_codes);
}
}
static void quantize_and_encode_band_cost_SPAIR_mips(struct AACEncContext *s,
PutBitContext *pb, const float *in,
const float *scaled, int size, int scale_idx,
int cb, const float lambda, const float uplim,
int *bits)
{
const float Q34 = ff_aac_pow34sf_tab[POW_SF2_ZERO - scale_idx + SCALE_ONE_POS - SCALE_DIV_512];
int i;
int qc1, qc2, qc3, qc4;
uint8_t *p_bits = (uint8_t *)ff_aac_spectral_bits[cb-1];
uint16_t *p_codes = (uint16_t *)ff_aac_spectral_codes[cb-1];
abs_pow34_v(s->scoefs, in, size);
scaled = s->scoefs;
for (i = 0; i < size; i += 4) {
int curidx, curidx2;
int *in_int = (int *)&in[i];
uint8_t v_bits;
unsigned int v_codes;
qc1 = scaled[i ] * Q34 + 0.4054f;
qc2 = scaled[i+1] * Q34 + 0.4054f;
qc3 = scaled[i+2] * Q34 + 0.4054f;
qc4 = scaled[i+3] * Q34 + 0.4054f;
__asm__ volatile (
".set push \n\t"
".set noreorder \n\t"
"ori $t4, $zero, 4 \n\t"
"slt $t0, $t4, %[qc1] \n\t"
"slt $t1, $t4, %[qc2] \n\t"
"slt $t2, $t4, %[qc3] \n\t"
"slt $t3, $t4, %[qc4] \n\t"
"movn %[qc1], $t4, $t0 \n\t"
"movn %[qc2], $t4, $t1 \n\t"
"movn %[qc3], $t4, $t2 \n\t"
"movn %[qc4], $t4, $t3 \n\t"
"lw $t0, 0(%[in_int]) \n\t"
"lw $t1, 4(%[in_int]) \n\t"
"lw $t2, 8(%[in_int]) \n\t"
"lw $t3, 12(%[in_int]) \n\t"
"srl $t0, $t0, 31 \n\t"
"srl $t1, $t1, 31 \n\t"
"srl $t2, $t2, 31 \n\t"
"srl $t3, $t3, 31 \n\t"
"subu $t4, $zero, %[qc1] \n\t"
"subu $t5, $zero, %[qc2] \n\t"
"subu $t6, $zero, %[qc3] \n\t"
"subu $t7, $zero, %[qc4] \n\t"
"movn %[qc1], $t4, $t0 \n\t"
"movn %[qc2], $t5, $t1 \n\t"
"movn %[qc3], $t6, $t2 \n\t"
"movn %[qc4], $t7, $t3 \n\t"
".set pop \n\t"
: [qc1]"+r"(qc1), [qc2]"+r"(qc2),
[qc3]"+r"(qc3), [qc4]"+r"(qc4)
: [in_int]"r"(in_int)
: "t0", "t1", "t2", "t3",
"t4", "t5", "t6", "t7",
"memory"
);
curidx = 9 * qc1;
curidx += qc2 + 40;
curidx2 = 9 * qc3;
curidx2 += qc4 + 40;
v_codes = (p_codes[curidx] << p_bits[curidx2]) | (p_codes[curidx2]);
v_bits = p_bits[curidx] + p_bits[curidx2];
put_bits(pb, v_bits, v_codes);
}
}
static void quantize_and_encode_band_cost_UPAIR7_mips(struct AACEncContext *s,
PutBitContext *pb, const float *in,
const float *scaled, int size, int scale_idx,
int cb, const float lambda, const float uplim,
int *bits)
{
const float Q34 = ff_aac_pow34sf_tab[POW_SF2_ZERO - scale_idx + SCALE_ONE_POS - SCALE_DIV_512];
int i;
int qc1, qc2, qc3, qc4;
uint8_t *p_bits = (uint8_t*) ff_aac_spectral_bits[cb-1];
uint16_t *p_codes = (uint16_t*)ff_aac_spectral_codes[cb-1];
abs_pow34_v(s->scoefs, in, size);
scaled = s->scoefs;
for (i = 0; i < size; i += 4) {
int curidx, sign1, count1, sign2, count2;
int *in_int = (int *)&in[i];
uint8_t v_bits;
unsigned int v_codes;
qc1 = scaled[i ] * Q34 + 0.4054f;
qc2 = scaled[i+1] * Q34 + 0.4054f;
qc3 = scaled[i+2] * Q34 + 0.4054f;
qc4 = scaled[i+3] * Q34 + 0.4054f;
__asm__ volatile (
".set push \n\t"
".set noreorder \n\t"
"ori $t4, $zero, 7 \n\t"
"ori %[sign1], $zero, 0 \n\t"
"ori %[sign2], $zero, 0 \n\t"
"slt $t0, $t4, %[qc1] \n\t"
"slt $t1, $t4, %[qc2] \n\t"
"slt $t2, $t4, %[qc3] \n\t"
"slt $t3, $t4, %[qc4] \n\t"
"movn %[qc1], $t4, $t0 \n\t"
"movn %[qc2], $t4, $t1 \n\t"
"movn %[qc3], $t4, $t2 \n\t"
"movn %[qc4], $t4, $t3 \n\t"
"lw $t0, 0(%[in_int]) \n\t"
"lw $t1, 4(%[in_int]) \n\t"
"lw $t2, 8(%[in_int]) \n\t"
"lw $t3, 12(%[in_int]) \n\t"
"slt $t0, $t0, $zero \n\t"
"movn %[sign1], $t0, %[qc1] \n\t"
"slt $t2, $t2, $zero \n\t"
"movn %[sign2], $t2, %[qc3] \n\t"
"slt $t1, $t1, $zero \n\t"
"sll $t0, %[sign1], 1 \n\t"
"or $t0, $t0, $t1 \n\t"
"movn %[sign1], $t0, %[qc2] \n\t"
"slt $t3, $t3, $zero \n\t"
"sll $t0, %[sign2], 1 \n\t"
"or $t0, $t0, $t3 \n\t"
"movn %[sign2], $t0, %[qc4] \n\t"
"slt %[count1], $zero, %[qc1] \n\t"
"slt $t1, $zero, %[qc2] \n\t"
"slt %[count2], $zero, %[qc3] \n\t"
"slt $t2, $zero, %[qc4] \n\t"
"addu %[count1], %[count1], $t1 \n\t"
"addu %[count2], %[count2], $t2 \n\t"
".set pop \n\t"
: [qc1]"+r"(qc1), [qc2]"+r"(qc2),
[qc3]"+r"(qc3), [qc4]"+r"(qc4),
[sign1]"=&r"(sign1), [count1]"=&r"(count1),
[sign2]"=&r"(sign2), [count2]"=&r"(count2)
: [in_int]"r"(in_int)
: "t0", "t1", "t2", "t3", "t4",
"memory"
);
curidx = 8 * qc1;
curidx += qc2;
v_codes = (p_codes[curidx] << count1) | sign1;
v_bits = p_bits[curidx] + count1;
put_bits(pb, v_bits, v_codes);
curidx = 8 * qc3;
curidx += qc4;
v_codes = (p_codes[curidx] << count2) | sign2;
v_bits = p_bits[curidx] + count2;
put_bits(pb, v_bits, v_codes);
}
}
static void quantize_and_encode_band_cost_UPAIR12_mips(struct AACEncContext *s,
PutBitContext *pb, const float *in,
const float *scaled, int size, int scale_idx,
int cb, const float lambda, const float uplim,
int *bits)
{
const float Q34 = ff_aac_pow34sf_tab[POW_SF2_ZERO - scale_idx + SCALE_ONE_POS - SCALE_DIV_512];
int i;
int qc1, qc2, qc3, qc4;
uint8_t *p_bits = (uint8_t*) ff_aac_spectral_bits[cb-1];
uint16_t *p_codes = (uint16_t*)ff_aac_spectral_codes[cb-1];
abs_pow34_v(s->scoefs, in, size);
scaled = s->scoefs;
for (i = 0; i < size; i += 4) {
int curidx, sign1, count1, sign2, count2;
int *in_int = (int *)&in[i];
uint8_t v_bits;
unsigned int v_codes;
qc1 = scaled[i ] * Q34 + 0.4054f;
qc2 = scaled[i+1] * Q34 + 0.4054f;
qc3 = scaled[i+2] * Q34 + 0.4054f;
qc4 = scaled[i+3] * Q34 + 0.4054f;
__asm__ volatile (
".set push \n\t"
".set noreorder \n\t"
"ori $t4, $zero, 12 \n\t"
"ori %[sign1], $zero, 0 \n\t"
"ori %[sign2], $zero, 0 \n\t"
"slt $t0, $t4, %[qc1] \n\t"
"slt $t1, $t4, %[qc2] \n\t"
"slt $t2, $t4, %[qc3] \n\t"
"slt $t3, $t4, %[qc4] \n\t"
"movn %[qc1], $t4, $t0 \n\t"
"movn %[qc2], $t4, $t1 \n\t"
"movn %[qc3], $t4, $t2 \n\t"
"movn %[qc4], $t4, $t3 \n\t"
"lw $t0, 0(%[in_int]) \n\t"
"lw $t1, 4(%[in_int]) \n\t"
"lw $t2, 8(%[in_int]) \n\t"
"lw $t3, 12(%[in_int]) \n\t"
"slt $t0, $t0, $zero \n\t"
"movn %[sign1], $t0, %[qc1] \n\t"
"slt $t2, $t2, $zero \n\t"
"movn %[sign2], $t2, %[qc3] \n\t"
"slt $t1, $t1, $zero \n\t"
"sll $t0, %[sign1], 1 \n\t"
"or $t0, $t0, $t1 \n\t"
"movn %[sign1], $t0, %[qc2] \n\t"
"slt $t3, $t3, $zero \n\t"
"sll $t0, %[sign2], 1 \n\t"
"or $t0, $t0, $t3 \n\t"
"movn %[sign2], $t0, %[qc4] \n\t"
"slt %[count1], $zero, %[qc1] \n\t"
"slt $t1, $zero, %[qc2] \n\t"
"slt %[count2], $zero, %[qc3] \n\t"
"slt $t2, $zero, %[qc4] \n\t"
"addu %[count1], %[count1], $t1 \n\t"
"addu %[count2], %[count2], $t2 \n\t"
".set pop \n\t"
: [qc1]"+r"(qc1), [qc2]"+r"(qc2),
[qc3]"+r"(qc3), [qc4]"+r"(qc4),
[sign1]"=&r"(sign1), [count1]"=&r"(count1),
[sign2]"=&r"(sign2), [count2]"=&r"(count2)
: [in_int]"r"(in_int)
: "t0", "t1", "t2", "t3", "t4",
"memory"
);
curidx = 13 * qc1;
curidx += qc2;
v_codes = (p_codes[curidx] << count1) | sign1;
v_bits = p_bits[curidx] + count1;
put_bits(pb, v_bits, v_codes);
curidx = 13 * qc3;
curidx += qc4;
v_codes = (p_codes[curidx] << count2) | sign2;
v_bits = p_bits[curidx] + count2;
put_bits(pb, v_bits, v_codes);
}
}
static void quantize_and_encode_band_cost_ESC_mips(struct AACEncContext *s,
PutBitContext *pb, const float *in,
const float *scaled, int size, int scale_idx,
int cb, const float lambda, const float uplim,
int *bits)
{
const float Q34 = ff_aac_pow34sf_tab[POW_SF2_ZERO - scale_idx + SCALE_ONE_POS - SCALE_DIV_512];
int i;
int qc1, qc2, qc3, qc4;
uint8_t *p_bits = (uint8_t* )ff_aac_spectral_bits[cb-1];
uint16_t *p_codes = (uint16_t*)ff_aac_spectral_codes[cb-1];
float *p_vectors = (float* )ff_aac_codebook_vectors[cb-1];
abs_pow34_v(s->scoefs, in, size);
scaled = s->scoefs;
if (cb < 11) {
for (i = 0; i < size; i += 4) {
int curidx, curidx2, sign1, count1, sign2, count2;
int *in_int = (int *)&in[i];
uint8_t v_bits;
unsigned int v_codes;
qc1 = scaled[i ] * Q34 + 0.4054f;
qc2 = scaled[i+1] * Q34 + 0.4054f;
qc3 = scaled[i+2] * Q34 + 0.4054f;
qc4 = scaled[i+3] * Q34 + 0.4054f;
__asm__ volatile (
".set push \n\t"
".set noreorder \n\t"
"ori $t4, $zero, 16 \n\t"
"ori %[sign1], $zero, 0 \n\t"
"ori %[sign2], $zero, 0 \n\t"
"slt $t0, $t4, %[qc1] \n\t"
"slt $t1, $t4, %[qc2] \n\t"
"slt $t2, $t4, %[qc3] \n\t"
"slt $t3, $t4, %[qc4] \n\t"
"movn %[qc1], $t4, $t0 \n\t"
"movn %[qc2], $t4, $t1 \n\t"
"movn %[qc3], $t4, $t2 \n\t"
"movn %[qc4], $t4, $t3 \n\t"
"lw $t0, 0(%[in_int]) \n\t"
"lw $t1, 4(%[in_int]) \n\t"
"lw $t2, 8(%[in_int]) \n\t"
"lw $t3, 12(%[in_int]) \n\t"
"slt $t0, $t0, $zero \n\t"
"movn %[sign1], $t0, %[qc1] \n\t"
"slt $t2, $t2, $zero \n\t"
"movn %[sign2], $t2, %[qc3] \n\t"
"slt $t1, $t1, $zero \n\t"
"sll $t0, %[sign1], 1 \n\t"
"or $t0, $t0, $t1 \n\t"
"movn %[sign1], $t0, %[qc2] \n\t"
"slt $t3, $t3, $zero \n\t"
"sll $t0, %[sign2], 1 \n\t"
"or $t0, $t0, $t3 \n\t"
"movn %[sign2], $t0, %[qc4] \n\t"
"slt %[count1], $zero, %[qc1] \n\t"
"slt $t1, $zero, %[qc2] \n\t"
"slt %[count2], $zero, %[qc3] \n\t"
"slt $t2, $zero, %[qc4] \n\t"
"addu %[count1], %[count1], $t1 \n\t"
"addu %[count2], %[count2], $t2 \n\t"
".set pop \n\t"
: [qc1]"+r"(qc1), [qc2]"+r"(qc2),
[qc3]"+r"(qc3), [qc4]"+r"(qc4),
[sign1]"=&r"(sign1), [count1]"=&r"(count1),
[sign2]"=&r"(sign2), [count2]"=&r"(count2)
: [in_int]"r"(in_int)
: "t0", "t1", "t2", "t3", "t4",
"memory"
);
curidx = 17 * qc1;
curidx += qc2;
curidx2 = 17 * qc3;
curidx2 += qc4;
v_codes = (p_codes[curidx] << count1) | sign1;
v_bits = p_bits[curidx] + count1;
put_bits(pb, v_bits, v_codes);
v_codes = (p_codes[curidx2] << count2) | sign2;
v_bits = p_bits[curidx2] + count2;
put_bits(pb, v_bits, v_codes);
}
} else {
for (i = 0; i < size; i += 4) {
int curidx, curidx2, sign1, count1, sign2, count2;
int *in_int = (int *)&in[i];
uint8_t v_bits;
unsigned int v_codes;
int c1, c2, c3, c4;
qc1 = scaled[i ] * Q34 + 0.4054f;
qc2 = scaled[i+1] * Q34 + 0.4054f;
qc3 = scaled[i+2] * Q34 + 0.4054f;
qc4 = scaled[i+3] * Q34 + 0.4054f;
__asm__ volatile (
".set push \n\t"
".set noreorder \n\t"
"ori $t4, $zero, 16 \n\t"
"ori %[sign1], $zero, 0 \n\t"
"ori %[sign2], $zero, 0 \n\t"
"shll_s.w %[c1], %[qc1], 18 \n\t"
"shll_s.w %[c2], %[qc2], 18 \n\t"
"shll_s.w %[c3], %[qc3], 18 \n\t"
"shll_s.w %[c4], %[qc4], 18 \n\t"
"srl %[c1], %[c1], 18 \n\t"
"srl %[c2], %[c2], 18 \n\t"
"srl %[c3], %[c3], 18 \n\t"
"srl %[c4], %[c4], 18 \n\t"
"slt $t0, $t4, %[qc1] \n\t"
"slt $t1, $t4, %[qc2] \n\t"
"slt $t2, $t4, %[qc3] \n\t"
"slt $t3, $t4, %[qc4] \n\t"
"movn %[qc1], $t4, $t0 \n\t"
"movn %[qc2], $t4, $t1 \n\t"
"movn %[qc3], $t4, $t2 \n\t"
"movn %[qc4], $t4, $t3 \n\t"
"lw $t0, 0(%[in_int]) \n\t"
"lw $t1, 4(%[in_int]) \n\t"
"lw $t2, 8(%[in_int]) \n\t"
"lw $t3, 12(%[in_int]) \n\t"
"slt $t0, $t0, $zero \n\t"
"movn %[sign1], $t0, %[qc1] \n\t"
"slt $t2, $t2, $zero \n\t"
"movn %[sign2], $t2, %[qc3] \n\t"
"slt $t1, $t1, $zero \n\t"
"sll $t0, %[sign1], 1 \n\t"
"or $t0, $t0, $t1 \n\t"
"movn %[sign1], $t0, %[qc2] \n\t"
"slt $t3, $t3, $zero \n\t"
"sll $t0, %[sign2], 1 \n\t"
"or $t0, $t0, $t3 \n\t"
"movn %[sign2], $t0, %[qc4] \n\t"
"slt %[count1], $zero, %[qc1] \n\t"
"slt $t1, $zero, %[qc2] \n\t"
"slt %[count2], $zero, %[qc3] \n\t"
"slt $t2, $zero, %[qc4] \n\t"
"addu %[count1], %[count1], $t1 \n\t"
"addu %[count2], %[count2], $t2 \n\t"
".set pop \n\t"
: [qc1]"+r"(qc1), [qc2]"+r"(qc2),
[qc3]"+r"(qc3), [qc4]"+r"(qc4),
[sign1]"=&r"(sign1), [count1]"=&r"(count1),
[sign2]"=&r"(sign2), [count2]"=&r"(count2),
[c1]"=&r"(c1), [c2]"=&r"(c2),
[c3]"=&r"(c3), [c4]"=&r"(c4)
: [in_int]"r"(in_int)
: "t0", "t1", "t2", "t3", "t4",
"memory"
);
curidx = 17 * qc1;
curidx += qc2;
curidx2 = 17 * qc3;
curidx2 += qc4;
v_codes = (p_codes[curidx] << count1) | sign1;
v_bits = p_bits[curidx] + count1;
put_bits(pb, v_bits, v_codes);
if (p_vectors[curidx*2 ] == 64.0f) {
int len = av_log2(c1);
v_codes = (((1 << (len - 3)) - 2) << len) | (c1 & ((1 << len) - 1));
put_bits(pb, len * 2 - 3, v_codes);
}
if (p_vectors[curidx*2+1] == 64.0f) {
int len = av_log2(c2);
v_codes = (((1 << (len - 3)) - 2) << len) | (c2 & ((1 << len) - 1));
put_bits(pb, len*2-3, v_codes);
}
v_codes = (p_codes[curidx2] << count2) | sign2;
v_bits = p_bits[curidx2] + count2;
put_bits(pb, v_bits, v_codes);
if (p_vectors[curidx2*2 ] == 64.0f) {
int len = av_log2(c3);
v_codes = (((1 << (len - 3)) - 2) << len) | (c3 & ((1 << len) - 1));
put_bits(pb, len* 2 - 3, v_codes);
}
if (p_vectors[curidx2*2+1] == 64.0f) {
int len = av_log2(c4);
v_codes = (((1 << (len - 3)) - 2) << len) | (c4 & ((1 << len) - 1));
put_bits(pb, len * 2 - 3, v_codes);
}
}
}
}
static void (*const quantize_and_encode_band_cost_arr[])(struct AACEncContext *s,
PutBitContext *pb, const float *in,
const float *scaled, int size, int scale_idx,
int cb, const float lambda, const float uplim,
int *bits) = {
NULL,
quantize_and_encode_band_cost_SQUAD_mips,
quantize_and_encode_band_cost_SQUAD_mips,
quantize_and_encode_band_cost_UQUAD_mips,
quantize_and_encode_band_cost_UQUAD_mips,
quantize_and_encode_band_cost_SPAIR_mips,
quantize_and_encode_band_cost_SPAIR_mips,
quantize_and_encode_band_cost_UPAIR7_mips,
quantize_and_encode_band_cost_UPAIR7_mips,
quantize_and_encode_band_cost_UPAIR12_mips,
quantize_and_encode_band_cost_UPAIR12_mips,
quantize_and_encode_band_cost_ESC_mips,
};
#define quantize_and_encode_band_cost( \
s, pb, in, scaled, size, scale_idx, cb, \
lambda, uplim, bits) \
quantize_and_encode_band_cost_arr[cb]( \
s, pb, in, scaled, size, scale_idx, cb, \
lambda, uplim, bits)
static void quantize_and_encode_band_mips(struct AACEncContext *s, PutBitContext *pb,
const float *in, int size, int scale_idx,
int cb, const float lambda)
{
quantize_and_encode_band_cost(s, pb, in, NULL, size, scale_idx, cb, lambda,
INFINITY, NULL);
}
/**
* Functions developed from template function and optimized for getting the number of bits
*/
static float get_band_numbits_ZERO_mips(struct AACEncContext *s,
PutBitContext *pb, const float *in,
const float *scaled, int size, int scale_idx,
int cb, const float lambda, const float uplim,
int *bits)
{
return 0;
}
static float get_band_numbits_SQUAD_mips(struct AACEncContext *s,
PutBitContext *pb, const float *in,
const float *scaled, int size, int scale_idx,
int cb, const float lambda, const float uplim,
int *bits)
{
const float Q34 = ff_aac_pow34sf_tab[POW_SF2_ZERO - scale_idx + SCALE_ONE_POS - SCALE_DIV_512];
int i;
int qc1, qc2, qc3, qc4;
int curbits = 0;
uint8_t *p_bits = (uint8_t *)ff_aac_spectral_bits[cb-1];
for (i = 0; i < size; i += 4) {
int curidx;
int *in_int = (int *)&in[i];
qc1 = scaled[i ] * Q34 + 0.4054f;
qc2 = scaled[i+1] * Q34 + 0.4054f;
qc3 = scaled[i+2] * Q34 + 0.4054f;
qc4 = scaled[i+3] * Q34 + 0.4054f;
__asm__ volatile (
".set push \n\t"
".set noreorder \n\t"
"slt %[qc1], $zero, %[qc1] \n\t"
"slt %[qc2], $zero, %[qc2] \n\t"
"slt %[qc3], $zero, %[qc3] \n\t"
"slt %[qc4], $zero, %[qc4] \n\t"
"lw $t0, 0(%[in_int]) \n\t"
"lw $t1, 4(%[in_int]) \n\t"
"lw $t2, 8(%[in_int]) \n\t"
"lw $t3, 12(%[in_int]) \n\t"
"srl $t0, $t0, 31 \n\t"
"srl $t1, $t1, 31 \n\t"
"srl $t2, $t2, 31 \n\t"
"srl $t3, $t3, 31 \n\t"
"subu $t4, $zero, %[qc1] \n\t"
"subu $t5, $zero, %[qc2] \n\t"
"subu $t6, $zero, %[qc3] \n\t"
"subu $t7, $zero, %[qc4] \n\t"
"movn %[qc1], $t4, $t0 \n\t"
"movn %[qc2], $t5, $t1 \n\t"
"movn %[qc3], $t6, $t2 \n\t"
"movn %[qc4], $t7, $t3 \n\t"
".set pop \n\t"
: [qc1]"+r"(qc1), [qc2]"+r"(qc2),
[qc3]"+r"(qc3), [qc4]"+r"(qc4)
: [in_int]"r"(in_int)
: "t0", "t1", "t2", "t3",
"t4", "t5", "t6", "t7",
"memory"
);
curidx = qc1;
curidx *= 3;
curidx += qc2;
curidx *= 3;
curidx += qc3;
curidx *= 3;
curidx += qc4;
curidx += 40;
curbits += p_bits[curidx];
}
return curbits;
}
static float get_band_numbits_UQUAD_mips(struct AACEncContext *s,
PutBitContext *pb, const float *in,
const float *scaled, int size, int scale_idx,
int cb, const float lambda, const float uplim,
int *bits)
{
const float Q34 = ff_aac_pow34sf_tab[POW_SF2_ZERO - scale_idx + SCALE_ONE_POS - SCALE_DIV_512];
int i;
int curbits = 0;
int qc1, qc2, qc3, qc4;
uint8_t *p_bits = (uint8_t *)ff_aac_spectral_bits[cb-1];
for (i = 0; i < size; i += 4) {
int curidx;
qc1 = scaled[i ] * Q34 + 0.4054f;
qc2 = scaled[i+1] * Q34 + 0.4054f;
qc3 = scaled[i+2] * Q34 + 0.4054f;
qc4 = scaled[i+3] * Q34 + 0.4054f;
__asm__ volatile (
".set push \n\t"
".set noreorder \n\t"
"ori $t4, $zero, 2 \n\t"
"slt $t0, $t4, %[qc1] \n\t"
"slt $t1, $t4, %[qc2] \n\t"
"slt $t2, $t4, %[qc3] \n\t"
"slt $t3, $t4, %[qc4] \n\t"
"movn %[qc1], $t4, $t0 \n\t"
"movn %[qc2], $t4, $t1 \n\t"
"movn %[qc3], $t4, $t2 \n\t"
"movn %[qc4], $t4, $t3 \n\t"
".set pop \n\t"
: [qc1]"+r"(qc1), [qc2]"+r"(qc2),
[qc3]"+r"(qc3), [qc4]"+r"(qc4)
:
: "t0", "t1", "t2", "t3", "t4"
);
curidx = qc1;
curidx *= 3;
curidx += qc2;
curidx *= 3;
curidx += qc3;
curidx *= 3;
curidx += qc4;
curbits += p_bits[curidx];
curbits += uquad_sign_bits[curidx];
}
return curbits;
}
static float get_band_numbits_SPAIR_mips(struct AACEncContext *s,
PutBitContext *pb, const float *in,
const float *scaled, int size, int scale_idx,
int cb, const float lambda, const float uplim,
int *bits)
{
const float Q34 = ff_aac_pow34sf_tab[POW_SF2_ZERO - scale_idx + SCALE_ONE_POS - SCALE_DIV_512];
int i;
int qc1, qc2, qc3, qc4;
int curbits = 0;
uint8_t *p_bits = (uint8_t*)ff_aac_spectral_bits[cb-1];
for (i = 0; i < size; i += 4) {
int curidx, curidx2;
int *in_int = (int *)&in[i];
qc1 = scaled[i ] * Q34 + 0.4054f;
qc2 = scaled[i+1] * Q34 + 0.4054f;
qc3 = scaled[i+2] * Q34 + 0.4054f;
qc4 = scaled[i+3] * Q34 + 0.4054f;
__asm__ volatile (
".set push \n\t"
".set noreorder \n\t"
"ori $t4, $zero, 4 \n\t"
"slt $t0, $t4, %[qc1] \n\t"
"slt $t1, $t4, %[qc2] \n\t"
"slt $t2, $t4, %[qc3] \n\t"
"slt $t3, $t4, %[qc4] \n\t"
"movn %[qc1], $t4, $t0 \n\t"
"movn %[qc2], $t4, $t1 \n\t"
"movn %[qc3], $t4, $t2 \n\t"
"movn %[qc4], $t4, $t3 \n\t"
"lw $t0, 0(%[in_int]) \n\t"
"lw $t1, 4(%[in_int]) \n\t"
"lw $t2, 8(%[in_int]) \n\t"
"lw $t3, 12(%[in_int]) \n\t"
"srl $t0, $t0, 31 \n\t"
"srl $t1, $t1, 31 \n\t"
"srl $t2, $t2, 31 \n\t"
"srl $t3, $t3, 31 \n\t"
"subu $t4, $zero, %[qc1] \n\t"
"subu $t5, $zero, %[qc2] \n\t"
"subu $t6, $zero, %[qc3] \n\t"
"subu $t7, $zero, %[qc4] \n\t"
"movn %[qc1], $t4, $t0 \n\t"
"movn %[qc2], $t5, $t1 \n\t"
"movn %[qc3], $t6, $t2 \n\t"
"movn %[qc4], $t7, $t3 \n\t"
".set pop \n\t"
: [qc1]"+r"(qc1), [qc2]"+r"(qc2),
[qc3]"+r"(qc3), [qc4]"+r"(qc4)
: [in_int]"r"(in_int)
: "t0", "t1", "t2", "t3",
"t4", "t5", "t6", "t7",
"memory"
);
curidx = 9 * qc1;
curidx += qc2 + 40;
curidx2 = 9 * qc3;
curidx2 += qc4 + 40;
curbits += p_bits[curidx] + p_bits[curidx2];
}
return curbits;
}
static float get_band_numbits_UPAIR7_mips(struct AACEncContext *s,
PutBitContext *pb, const float *in,
const float *scaled, int size, int scale_idx,
int cb, const float lambda, const float uplim,
int *bits)
{
const float Q34 = ff_aac_pow34sf_tab[POW_SF2_ZERO - scale_idx + SCALE_ONE_POS - SCALE_DIV_512];
int i;
int qc1, qc2, qc3, qc4;
int curbits = 0;
uint8_t *p_bits = (uint8_t *)ff_aac_spectral_bits[cb-1];
for (i = 0; i < size; i += 4) {
int curidx, curidx2;
qc1 = scaled[i ] * Q34 + 0.4054f;
qc2 = scaled[i+1] * Q34 + 0.4054f;
qc3 = scaled[i+2] * Q34 + 0.4054f;
qc4 = scaled[i+3] * Q34 + 0.4054f;
__asm__ volatile (
".set push \n\t"
".set noreorder \n\t"
"ori $t4, $zero, 7 \n\t"
"slt $t0, $t4, %[qc1] \n\t"
"slt $t1, $t4, %[qc2] \n\t"
"slt $t2, $t4, %[qc3] \n\t"
"slt $t3, $t4, %[qc4] \n\t"
"movn %[qc1], $t4, $t0 \n\t"
"movn %[qc2], $t4, $t1 \n\t"
"movn %[qc3], $t4, $t2 \n\t"
"movn %[qc4], $t4, $t3 \n\t"
".set pop \n\t"
: [qc1]"+r"(qc1), [qc2]"+r"(qc2),
[qc3]"+r"(qc3), [qc4]"+r"(qc4)
:
: "t0", "t1", "t2", "t3", "t4"
);
curidx = 8 * qc1;
curidx += qc2;
curidx2 = 8 * qc3;
curidx2 += qc4;
curbits += p_bits[curidx] +
upair7_sign_bits[curidx] +
p_bits[curidx2] +
upair7_sign_bits[curidx2];
}
return curbits;
}
static float get_band_numbits_UPAIR12_mips(struct AACEncContext *s,
PutBitContext *pb, const float *in,
const float *scaled, int size, int scale_idx,
int cb, const float lambda, const float uplim,
int *bits)
{
const float Q34 = ff_aac_pow34sf_tab[POW_SF2_ZERO - scale_idx + SCALE_ONE_POS - SCALE_DIV_512];
int i;
int qc1, qc2, qc3, qc4;
int curbits = 0;
uint8_t *p_bits = (uint8_t *)ff_aac_spectral_bits[cb-1];
for (i = 0; i < size; i += 4) {
int curidx, curidx2;
qc1 = scaled[i ] * Q34 + 0.4054f;
qc2 = scaled[i+1] * Q34 + 0.4054f;
qc3 = scaled[i+2] * Q34 + 0.4054f;
qc4 = scaled[i+3] * Q34 + 0.4054f;
__asm__ volatile (
".set push \n\t"
".set noreorder \n\t"
"ori $t4, $zero, 12 \n\t"
"slt $t0, $t4, %[qc1] \n\t"
"slt $t1, $t4, %[qc2] \n\t"
"slt $t2, $t4, %[qc3] \n\t"
"slt $t3, $t4, %[qc4] \n\t"
"movn %[qc1], $t4, $t0 \n\t"
"movn %[qc2], $t4, $t1 \n\t"
"movn %[qc3], $t4, $t2 \n\t"
"movn %[qc4], $t4, $t3 \n\t"
".set pop \n\t"
: [qc1]"+r"(qc1), [qc2]"+r"(qc2),
[qc3]"+r"(qc3), [qc4]"+r"(qc4)
:
: "t0", "t1", "t2", "t3", "t4"
);
curidx = 13 * qc1;
curidx += qc2;
curidx2 = 13 * qc3;
curidx2 += qc4;
curbits += p_bits[curidx] +
p_bits[curidx2] +
upair12_sign_bits[curidx] +
upair12_sign_bits[curidx2];
}
return curbits;
}
static float get_band_numbits_ESC_mips(struct AACEncContext *s,
PutBitContext *pb, const float *in,
const float *scaled, int size, int scale_idx,
int cb, const float lambda, const float uplim,
int *bits)
{
const float Q34 = ff_aac_pow34sf_tab[POW_SF2_ZERO - scale_idx + SCALE_ONE_POS - SCALE_DIV_512];
int i;
int qc1, qc2, qc3, qc4;
int curbits = 0;
uint8_t *p_bits = (uint8_t*)ff_aac_spectral_bits[cb-1];
for (i = 0; i < size; i += 4) {
int curidx, curidx2;
int cond0, cond1, cond2, cond3;
int c1, c2, c3, c4;
qc1 = scaled[i ] * Q34 + 0.4054f;
qc2 = scaled[i+1] * Q34 + 0.4054f;
qc3 = scaled[i+2] * Q34 + 0.4054f;
qc4 = scaled[i+3] * Q34 + 0.4054f;
__asm__ volatile (
".set push \n\t"
".set noreorder \n\t"
"ori $t4, $zero, 15 \n\t"
"ori $t5, $zero, 16 \n\t"
"shll_s.w %[c1], %[qc1], 18 \n\t"
"shll_s.w %[c2], %[qc2], 18 \n\t"
"shll_s.w %[c3], %[qc3], 18 \n\t"
"shll_s.w %[c4], %[qc4], 18 \n\t"
"srl %[c1], %[c1], 18 \n\t"
"srl %[c2], %[c2], 18 \n\t"
"srl %[c3], %[c3], 18 \n\t"
"srl %[c4], %[c4], 18 \n\t"
"slt %[cond0], $t4, %[qc1] \n\t"
"slt %[cond1], $t4, %[qc2] \n\t"
"slt %[cond2], $t4, %[qc3] \n\t"
"slt %[cond3], $t4, %[qc4] \n\t"
"movn %[qc1], $t5, %[cond0] \n\t"
"movn %[qc2], $t5, %[cond1] \n\t"
"movn %[qc3], $t5, %[cond2] \n\t"
"movn %[qc4], $t5, %[cond3] \n\t"
"ori $t5, $zero, 31 \n\t"
"clz %[c1], %[c1] \n\t"
"clz %[c2], %[c2] \n\t"
"clz %[c3], %[c3] \n\t"
"clz %[c4], %[c4] \n\t"
"subu %[c1], $t5, %[c1] \n\t"
"subu %[c2], $t5, %[c2] \n\t"
"subu %[c3], $t5, %[c3] \n\t"
"subu %[c4], $t5, %[c4] \n\t"
"sll %[c1], %[c1], 1 \n\t"
"sll %[c2], %[c2], 1 \n\t"
"sll %[c3], %[c3], 1 \n\t"
"sll %[c4], %[c4], 1 \n\t"
"addiu %[c1], %[c1], -3 \n\t"
"addiu %[c2], %[c2], -3 \n\t"
"addiu %[c3], %[c3], -3 \n\t"
"addiu %[c4], %[c4], -3 \n\t"
"subu %[cond0], $zero, %[cond0] \n\t"
"subu %[cond1], $zero, %[cond1] \n\t"
"subu %[cond2], $zero, %[cond2] \n\t"
"subu %[cond3], $zero, %[cond3] \n\t"
"and %[c1], %[c1], %[cond0] \n\t"
"and %[c2], %[c2], %[cond1] \n\t"
"and %[c3], %[c3], %[cond2] \n\t"
"and %[c4], %[c4], %[cond3] \n\t"
".set pop \n\t"
: [qc1]"+r"(qc1), [qc2]"+r"(qc2),
[qc3]"+r"(qc3), [qc4]"+r"(qc4),
[cond0]"=&r"(cond0), [cond1]"=&r"(cond1),
[cond2]"=&r"(cond2), [cond3]"=&r"(cond3),
[c1]"=&r"(c1), [c2]"=&r"(c2),
[c3]"=&r"(c3), [c4]"=&r"(c4)
:
: "t4", "t5"
);
curidx = 17 * qc1;
curidx += qc2;
curidx2 = 17 * qc3;
curidx2 += qc4;
curbits += p_bits[curidx];
curbits += esc_sign_bits[curidx];
curbits += p_bits[curidx2];
curbits += esc_sign_bits[curidx2];
curbits += c1;
curbits += c2;
curbits += c3;
curbits += c4;
}
return curbits;
}
static float (*const get_band_numbits_arr[])(struct AACEncContext *s,
PutBitContext *pb, const float *in,
const float *scaled, int size, int scale_idx,
int cb, const float lambda, const float uplim,
int *bits) = {
get_band_numbits_ZERO_mips,
get_band_numbits_SQUAD_mips,
get_band_numbits_SQUAD_mips,
get_band_numbits_UQUAD_mips,
get_band_numbits_UQUAD_mips,
get_band_numbits_SPAIR_mips,
get_band_numbits_SPAIR_mips,
get_band_numbits_UPAIR7_mips,
get_band_numbits_UPAIR7_mips,
get_band_numbits_UPAIR12_mips,
get_band_numbits_UPAIR12_mips,
get_band_numbits_ESC_mips,
};
#define get_band_numbits( \
s, pb, in, scaled, size, scale_idx, cb, \
lambda, uplim, bits) \
get_band_numbits_arr[cb]( \
s, pb, in, scaled, size, scale_idx, cb, \
lambda, uplim, bits)
static float quantize_band_cost_bits(struct AACEncContext *s, const float *in,
const float *scaled, int size, int scale_idx,
int cb, const float lambda, const float uplim,
int *bits)
{
return get_band_numbits(s, NULL, in, scaled, size, scale_idx, cb, lambda, uplim, bits);
}
/**
* Functions developed from template function and optimized for getting the band cost
*/
#if HAVE_MIPSFPU
static float get_band_cost_ZERO_mips(struct AACEncContext *s,
PutBitContext *pb, const float *in,
const float *scaled, int size, int scale_idx,
int cb, const float lambda, const float uplim,
int *bits)
{
int i;
float cost = 0;
for (i = 0; i < size; i += 4) {
cost += in[i ] * in[i ];
cost += in[i+1] * in[i+1];
cost += in[i+2] * in[i+2];
cost += in[i+3] * in[i+3];
}
if (bits)
*bits = 0;
return cost * lambda;
}
static float get_band_cost_SQUAD_mips(struct AACEncContext *s,
PutBitContext *pb, const float *in,
const float *scaled, int size, int scale_idx,
int cb, const float lambda, const float uplim,
int *bits)
{
const float Q34 = ff_aac_pow34sf_tab[POW_SF2_ZERO - scale_idx + SCALE_ONE_POS - SCALE_DIV_512];
const float IQ = ff_aac_pow2sf_tab [POW_SF2_ZERO + scale_idx - SCALE_ONE_POS + SCALE_DIV_512];
int i;
float cost = 0;
int qc1, qc2, qc3, qc4;
int curbits = 0;
uint8_t *p_bits = (uint8_t *)ff_aac_spectral_bits[cb-1];
float *p_codes = (float *)ff_aac_codebook_vectors[cb-1];
for (i = 0; i < size; i += 4) {
const float *vec;
int curidx;
int *in_int = (int *)&in[i];
float *in_pos = (float *)&in[i];
float di0, di1, di2, di3;
qc1 = scaled[i ] * Q34 + 0.4054f;
qc2 = scaled[i+1] * Q34 + 0.4054f;
qc3 = scaled[i+2] * Q34 + 0.4054f;
qc4 = scaled[i+3] * Q34 + 0.4054f;
__asm__ volatile (
".set push \n\t"
".set noreorder \n\t"
"slt %[qc1], $zero, %[qc1] \n\t"
"slt %[qc2], $zero, %[qc2] \n\t"
"slt %[qc3], $zero, %[qc3] \n\t"
"slt %[qc4], $zero, %[qc4] \n\t"
"lw $t0, 0(%[in_int]) \n\t"
"lw $t1, 4(%[in_int]) \n\t"
"lw $t2, 8(%[in_int]) \n\t"
"lw $t3, 12(%[in_int]) \n\t"
"srl $t0, $t0, 31 \n\t"
"srl $t1, $t1, 31 \n\t"
"srl $t2, $t2, 31 \n\t"
"srl $t3, $t3, 31 \n\t"
"subu $t4, $zero, %[qc1] \n\t"
"subu $t5, $zero, %[qc2] \n\t"
"subu $t6, $zero, %[qc3] \n\t"
"subu $t7, $zero, %[qc4] \n\t"
"movn %[qc1], $t4, $t0 \n\t"
"movn %[qc2], $t5, $t1 \n\t"
"movn %[qc3], $t6, $t2 \n\t"
"movn %[qc4], $t7, $t3 \n\t"
".set pop \n\t"
: [qc1]"+r"(qc1), [qc2]"+r"(qc2),
[qc3]"+r"(qc3), [qc4]"+r"(qc4)
: [in_int]"r"(in_int)
: "t0", "t1", "t2", "t3",
"t4", "t5", "t6", "t7",
"memory"
);
curidx = qc1;
curidx *= 3;
curidx += qc2;
curidx *= 3;
curidx += qc3;
curidx *= 3;
curidx += qc4;
curidx += 40;
curbits += p_bits[curidx];
vec = &p_codes[curidx*4];
__asm__ volatile (
".set push \n\t"
".set noreorder \n\t"
"lwc1 $f0, 0(%[in_pos]) \n\t"
"lwc1 $f1, 0(%[vec]) \n\t"
"lwc1 $f2, 4(%[in_pos]) \n\t"
"lwc1 $f3, 4(%[vec]) \n\t"
"lwc1 $f4, 8(%[in_pos]) \n\t"
"lwc1 $f5, 8(%[vec]) \n\t"
"lwc1 $f6, 12(%[in_pos]) \n\t"
"lwc1 $f7, 12(%[vec]) \n\t"
"nmsub.s %[di0], $f0, $f1, %[IQ] \n\t"
"nmsub.s %[di1], $f2, $f3, %[IQ] \n\t"
"nmsub.s %[di2], $f4, $f5, %[IQ] \n\t"
"nmsub.s %[di3], $f6, $f7, %[IQ] \n\t"
".set pop \n\t"
: [di0]"=&f"(di0), [di1]"=&f"(di1),
[di2]"=&f"(di2), [di3]"=&f"(di3)
: [in_pos]"r"(in_pos), [vec]"r"(vec),
[IQ]"f"(IQ)
: "$f0", "$f1", "$f2", "$f3",
"$f4", "$f5", "$f6", "$f7",
"memory"
);
cost += di0 * di0 + di1 * di1
+ di2 * di2 + di3 * di3;
}
if (bits)
*bits = curbits;
return cost * lambda + curbits;
}
static float get_band_cost_UQUAD_mips(struct AACEncContext *s,
PutBitContext *pb, const float *in,
const float *scaled, int size, int scale_idx,
int cb, const float lambda, const float uplim,
int *bits)
{
const float Q34 = ff_aac_pow34sf_tab[POW_SF2_ZERO - scale_idx + SCALE_ONE_POS - SCALE_DIV_512];
const float IQ = ff_aac_pow2sf_tab [POW_SF2_ZERO + scale_idx - SCALE_ONE_POS + SCALE_DIV_512];
int i;
float cost = 0;
int curbits = 0;
int qc1, qc2, qc3, qc4;
uint8_t *p_bits = (uint8_t*)ff_aac_spectral_bits[cb-1];
float *p_codes = (float *)ff_aac_codebook_vectors[cb-1];
for (i = 0; i < size; i += 4) {
const float *vec;
int curidx;
float *in_pos = (float *)&in[i];
float di0, di1, di2, di3;
qc1 = scaled[i ] * Q34 + 0.4054f;
qc2 = scaled[i+1] * Q34 + 0.4054f;
qc3 = scaled[i+2] * Q34 + 0.4054f;
qc4 = scaled[i+3] * Q34 + 0.4054f;
__asm__ volatile (
".set push \n\t"
".set noreorder \n\t"
"ori $t4, $zero, 2 \n\t"
"slt $t0, $t4, %[qc1] \n\t"
"slt $t1, $t4, %[qc2] \n\t"
"slt $t2, $t4, %[qc3] \n\t"
"slt $t3, $t4, %[qc4] \n\t"
"movn %[qc1], $t4, $t0 \n\t"
"movn %[qc2], $t4, $t1 \n\t"
"movn %[qc3], $t4, $t2 \n\t"
"movn %[qc4], $t4, $t3 \n\t"
".set pop \n\t"
: [qc1]"+r"(qc1), [qc2]"+r"(qc2),
[qc3]"+r"(qc3), [qc4]"+r"(qc4)
:
: "t0", "t1", "t2", "t3", "t4"
);
curidx = qc1;
curidx *= 3;
curidx += qc2;
curidx *= 3;
curidx += qc3;
curidx *= 3;
curidx += qc4;
curbits += p_bits[curidx];
curbits += uquad_sign_bits[curidx];
vec = &p_codes[curidx*4];
__asm__ volatile (
".set push \n\t"
".set noreorder \n\t"
"lwc1 %[di0], 0(%[in_pos]) \n\t"
"lwc1 %[di1], 4(%[in_pos]) \n\t"
"lwc1 %[di2], 8(%[in_pos]) \n\t"
"lwc1 %[di3], 12(%[in_pos]) \n\t"
"abs.s %[di0], %[di0] \n\t"
"abs.s %[di1], %[di1] \n\t"
"abs.s %[di2], %[di2] \n\t"
"abs.s %[di3], %[di3] \n\t"
"lwc1 $f0, 0(%[vec]) \n\t"
"lwc1 $f1, 4(%[vec]) \n\t"
"lwc1 $f2, 8(%[vec]) \n\t"
"lwc1 $f3, 12(%[vec]) \n\t"
"nmsub.s %[di0], %[di0], $f0, %[IQ] \n\t"
"nmsub.s %[di1], %[di1], $f1, %[IQ] \n\t"
"nmsub.s %[di2], %[di2], $f2, %[IQ] \n\t"
"nmsub.s %[di3], %[di3], $f3, %[IQ] \n\t"
".set pop \n\t"
: [di0]"=&f"(di0), [di1]"=&f"(di1),
[di2]"=&f"(di2), [di3]"=&f"(di3)
: [in_pos]"r"(in_pos), [vec]"r"(vec),
[IQ]"f"(IQ)
: "$f0", "$f1", "$f2", "$f3",
"memory"
);
cost += di0 * di0 + di1 * di1
+ di2 * di2 + di3 * di3;
}
if (bits)
*bits = curbits;
return cost * lambda + curbits;
}
static float get_band_cost_SPAIR_mips(struct AACEncContext *s,
PutBitContext *pb, const float *in,
const float *scaled, int size, int scale_idx,
int cb, const float lambda, const float uplim,
int *bits)
{
const float Q34 = ff_aac_pow34sf_tab[POW_SF2_ZERO - scale_idx + SCALE_ONE_POS - SCALE_DIV_512];
const float IQ = ff_aac_pow2sf_tab [POW_SF2_ZERO + scale_idx - SCALE_ONE_POS + SCALE_DIV_512];
int i;
float cost = 0;
int qc1, qc2, qc3, qc4;
int curbits = 0;
uint8_t *p_bits = (uint8_t *)ff_aac_spectral_bits[cb-1];
float *p_codes = (float *)ff_aac_codebook_vectors[cb-1];
for (i = 0; i < size; i += 4) {
const float *vec, *vec2;
int curidx, curidx2;
int *in_int = (int *)&in[i];
float *in_pos = (float *)&in[i];
float di0, di1, di2, di3;
qc1 = scaled[i ] * Q34 + 0.4054f;
qc2 = scaled[i+1] * Q34 + 0.4054f;
qc3 = scaled[i+2] * Q34 + 0.4054f;
qc4 = scaled[i+3] * Q34 + 0.4054f;
__asm__ volatile (
".set push \n\t"
".set noreorder \n\t"
"ori $t4, $zero, 4 \n\t"
"slt $t0, $t4, %[qc1] \n\t"
"slt $t1, $t4, %[qc2] \n\t"
"slt $t2, $t4, %[qc3] \n\t"
"slt $t3, $t4, %[qc4] \n\t"
"movn %[qc1], $t4, $t0 \n\t"
"movn %[qc2], $t4, $t1 \n\t"
"movn %[qc3], $t4, $t2 \n\t"
"movn %[qc4], $t4, $t3 \n\t"
"lw $t0, 0(%[in_int]) \n\t"
"lw $t1, 4(%[in_int]) \n\t"
"lw $t2, 8(%[in_int]) \n\t"
"lw $t3, 12(%[in_int]) \n\t"
"srl $t0, $t0, 31 \n\t"
"srl $t1, $t1, 31 \n\t"
"srl $t2, $t2, 31 \n\t"
"srl $t3, $t3, 31 \n\t"
"subu $t4, $zero, %[qc1] \n\t"
"subu $t5, $zero, %[qc2] \n\t"
"subu $t6, $zero, %[qc3] \n\t"
"subu $t7, $zero, %[qc4] \n\t"
"movn %[qc1], $t4, $t0 \n\t"
"movn %[qc2], $t5, $t1 \n\t"
"movn %[qc3], $t6, $t2 \n\t"
"movn %[qc4], $t7, $t3 \n\t"
".set pop \n\t"
: [qc1]"+r"(qc1), [qc2]"+r"(qc2),
[qc3]"+r"(qc3), [qc4]"+r"(qc4)
: [in_int]"r"(in_int)
: "t0", "t1", "t2", "t3",
"t4", "t5", "t6", "t7",
"memory"
);
curidx = 9 * qc1;
curidx += qc2 + 40;
curidx2 = 9 * qc3;
curidx2 += qc4 + 40;
curbits += p_bits[curidx];
curbits += p_bits[curidx2];
vec = &p_codes[curidx*2];
vec2 = &p_codes[curidx2*2];
__asm__ volatile (
".set push \n\t"
".set noreorder \n\t"
"lwc1 $f0, 0(%[in_pos]) \n\t"
"lwc1 $f1, 0(%[vec]) \n\t"
"lwc1 $f2, 4(%[in_pos]) \n\t"
"lwc1 $f3, 4(%[vec]) \n\t"
"lwc1 $f4, 8(%[in_pos]) \n\t"
"lwc1 $f5, 0(%[vec2]) \n\t"
"lwc1 $f6, 12(%[in_pos]) \n\t"
"lwc1 $f7, 4(%[vec2]) \n\t"
"nmsub.s %[di0], $f0, $f1, %[IQ] \n\t"
"nmsub.s %[di1], $f2, $f3, %[IQ] \n\t"
"nmsub.s %[di2], $f4, $f5, %[IQ] \n\t"
"nmsub.s %[di3], $f6, $f7, %[IQ] \n\t"
".set pop \n\t"
: [di0]"=&f"(di0), [di1]"=&f"(di1),
[di2]"=&f"(di2), [di3]"=&f"(di3)
: [in_pos]"r"(in_pos), [vec]"r"(vec),
[vec2]"r"(vec2), [IQ]"f"(IQ)
: "$f0", "$f1", "$f2", "$f3",
"$f4", "$f5", "$f6", "$f7",
"memory"
);
cost += di0 * di0 + di1 * di1
+ di2 * di2 + di3 * di3;
}
if (bits)
*bits = curbits;
return cost * lambda + curbits;
}
static float get_band_cost_UPAIR7_mips(struct AACEncContext *s,
PutBitContext *pb, const float *in,
const float *scaled, int size, int scale_idx,
int cb, const float lambda, const float uplim,
int *bits)
{
const float Q34 = ff_aac_pow34sf_tab[POW_SF2_ZERO - scale_idx + SCALE_ONE_POS - SCALE_DIV_512];
const float IQ = ff_aac_pow2sf_tab [POW_SF2_ZERO + scale_idx - SCALE_ONE_POS + SCALE_DIV_512];
int i;
float cost = 0;
int qc1, qc2, qc3, qc4;
int curbits = 0;
uint8_t *p_bits = (uint8_t *)ff_aac_spectral_bits[cb-1];
float *p_codes = (float *)ff_aac_codebook_vectors[cb-1];
for (i = 0; i < size; i += 4) {
const float *vec, *vec2;
int curidx, curidx2, sign1, count1, sign2, count2;
int *in_int = (int *)&in[i];
float *in_pos = (float *)&in[i];
float di0, di1, di2, di3;
qc1 = scaled[i ] * Q34 + 0.4054f;
qc2 = scaled[i+1] * Q34 + 0.4054f;
qc3 = scaled[i+2] * Q34 + 0.4054f;
qc4 = scaled[i+3] * Q34 + 0.4054f;
__asm__ volatile (
".set push \n\t"
".set noreorder \n\t"
"ori $t4, $zero, 7 \n\t"
"ori %[sign1], $zero, 0 \n\t"
"ori %[sign2], $zero, 0 \n\t"
"slt $t0, $t4, %[qc1] \n\t"
"slt $t1, $t4, %[qc2] \n\t"
"slt $t2, $t4, %[qc3] \n\t"
"slt $t3, $t4, %[qc4] \n\t"
"movn %[qc1], $t4, $t0 \n\t"
"movn %[qc2], $t4, $t1 \n\t"
"movn %[qc3], $t4, $t2 \n\t"
"movn %[qc4], $t4, $t3 \n\t"
"lw $t0, 0(%[in_int]) \n\t"
"lw $t1, 4(%[in_int]) \n\t"
"lw $t2, 8(%[in_int]) \n\t"
"lw $t3, 12(%[in_int]) \n\t"
"slt $t0, $t0, $zero \n\t"
"movn %[sign1], $t0, %[qc1] \n\t"
"slt $t2, $t2, $zero \n\t"
"movn %[sign2], $t2, %[qc3] \n\t"
"slt $t1, $t1, $zero \n\t"
"sll $t0, %[sign1], 1 \n\t"
"or $t0, $t0, $t1 \n\t"
"movn %[sign1], $t0, %[qc2] \n\t"
"slt $t3, $t3, $zero \n\t"
"sll $t0, %[sign2], 1 \n\t"
"or $t0, $t0, $t3 \n\t"
"movn %[sign2], $t0, %[qc4] \n\t"
"slt %[count1], $zero, %[qc1] \n\t"
"slt $t1, $zero, %[qc2] \n\t"
"slt %[count2], $zero, %[qc3] \n\t"
"slt $t2, $zero, %[qc4] \n\t"
"addu %[count1], %[count1], $t1 \n\t"
"addu %[count2], %[count2], $t2 \n\t"
".set pop \n\t"
: [qc1]"+r"(qc1), [qc2]"+r"(qc2),
[qc3]"+r"(qc3), [qc4]"+r"(qc4),
[sign1]"=&r"(sign1), [count1]"=&r"(count1),
[sign2]"=&r"(sign2), [count2]"=&r"(count2)
: [in_int]"r"(in_int)
: "t0", "t1", "t2", "t3", "t4",
"memory"
);
curidx = 8 * qc1;
curidx += qc2;
curidx2 = 8 * qc3;
curidx2 += qc4;
curbits += p_bits[curidx];
curbits += upair7_sign_bits[curidx];
vec = &p_codes[curidx*2];
curbits += p_bits[curidx2];
curbits += upair7_sign_bits[curidx2];
vec2 = &p_codes[curidx2*2];
__asm__ volatile (
".set push \n\t"
".set noreorder \n\t"
"lwc1 %[di0], 0(%[in_pos]) \n\t"
"lwc1 %[di1], 4(%[in_pos]) \n\t"
"lwc1 %[di2], 8(%[in_pos]) \n\t"
"lwc1 %[di3], 12(%[in_pos]) \n\t"
"abs.s %[di0], %[di0] \n\t"
"abs.s %[di1], %[di1] \n\t"
"abs.s %[di2], %[di2] \n\t"
"abs.s %[di3], %[di3] \n\t"
"lwc1 $f0, 0(%[vec]) \n\t"
"lwc1 $f1, 4(%[vec]) \n\t"
"lwc1 $f2, 0(%[vec2]) \n\t"
"lwc1 $f3, 4(%[vec2]) \n\t"
"nmsub.s %[di0], %[di0], $f0, %[IQ] \n\t"
"nmsub.s %[di1], %[di1], $f1, %[IQ] \n\t"
"nmsub.s %[di2], %[di2], $f2, %[IQ] \n\t"
"nmsub.s %[di3], %[di3], $f3, %[IQ] \n\t"
".set pop \n\t"
: [di0]"=&f"(di0), [di1]"=&f"(di1),
[di2]"=&f"(di2), [di3]"=&f"(di3)
: [in_pos]"r"(in_pos), [vec]"r"(vec),
[vec2]"r"(vec2), [IQ]"f"(IQ)
: "$f0", "$f1", "$f2", "$f3",
"memory"
);
cost += di0 * di0 + di1 * di1
+ di2 * di2 + di3 * di3;
}
if (bits)
*bits = curbits;
return cost * lambda + curbits;
}
static float get_band_cost_UPAIR12_mips(struct AACEncContext *s,
PutBitContext *pb, const float *in,
const float *scaled, int size, int scale_idx,
int cb, const float lambda, const float uplim,
int *bits)
{
const float Q34 = ff_aac_pow34sf_tab[POW_SF2_ZERO - scale_idx + SCALE_ONE_POS - SCALE_DIV_512];
const float IQ = ff_aac_pow2sf_tab [POW_SF2_ZERO + scale_idx - SCALE_ONE_POS + SCALE_DIV_512];
int i;
float cost = 0;
int qc1, qc2, qc3, qc4;
int curbits = 0;
uint8_t *p_bits = (uint8_t *)ff_aac_spectral_bits[cb-1];
float *p_codes = (float *)ff_aac_codebook_vectors[cb-1];
for (i = 0; i < size; i += 4) {
const float *vec, *vec2;
int curidx, curidx2;
int sign1, count1, sign2, count2;
int *in_int = (int *)&in[i];
float *in_pos = (float *)&in[i];
float di0, di1, di2, di3;
qc1 = scaled[i ] * Q34 + 0.4054f;
qc2 = scaled[i+1] * Q34 + 0.4054f;
qc3 = scaled[i+2] * Q34 + 0.4054f;
qc4 = scaled[i+3] * Q34 + 0.4054f;
__asm__ volatile (
".set push \n\t"
".set noreorder \n\t"
"ori $t4, $zero, 12 \n\t"
"ori %[sign1], $zero, 0 \n\t"
"ori %[sign2], $zero, 0 \n\t"
"slt $t0, $t4, %[qc1] \n\t"
"slt $t1, $t4, %[qc2] \n\t"
"slt $t2, $t4, %[qc3] \n\t"
"slt $t3, $t4, %[qc4] \n\t"
"movn %[qc1], $t4, $t0 \n\t"
"movn %[qc2], $t4, $t1 \n\t"
"movn %[qc3], $t4, $t2 \n\t"
"movn %[qc4], $t4, $t3 \n\t"
"lw $t0, 0(%[in_int]) \n\t"
"lw $t1, 4(%[in_int]) \n\t"
"lw $t2, 8(%[in_int]) \n\t"
"lw $t3, 12(%[in_int]) \n\t"
"slt $t0, $t0, $zero \n\t"
"movn %[sign1], $t0, %[qc1] \n\t"
"slt $t2, $t2, $zero \n\t"
"movn %[sign2], $t2, %[qc3] \n\t"
"slt $t1, $t1, $zero \n\t"
"sll $t0, %[sign1], 1 \n\t"
"or $t0, $t0, $t1 \n\t"
"movn %[sign1], $t0, %[qc2] \n\t"
"slt $t3, $t3, $zero \n\t"
"sll $t0, %[sign2], 1 \n\t"
"or $t0, $t0, $t3 \n\t"
"movn %[sign2], $t0, %[qc4] \n\t"
"slt %[count1], $zero, %[qc1] \n\t"
"slt $t1, $zero, %[qc2] \n\t"
"slt %[count2], $zero, %[qc3] \n\t"
"slt $t2, $zero, %[qc4] \n\t"
"addu %[count1], %[count1], $t1 \n\t"
"addu %[count2], %[count2], $t2 \n\t"
".set pop \n\t"
: [qc1]"+r"(qc1), [qc2]"+r"(qc2),
[qc3]"+r"(qc3), [qc4]"+r"(qc4),
[sign1]"=&r"(sign1), [count1]"=&r"(count1),
[sign2]"=&r"(sign2), [count2]"=&r"(count2)
: [in_int]"r"(in_int)
: "t0", "t1", "t2", "t3", "t4",
"memory"
);
curidx = 13 * qc1;
curidx += qc2;
curidx2 = 13 * qc3;
curidx2 += qc4;
curbits += p_bits[curidx];
curbits += p_bits[curidx2];
curbits += upair12_sign_bits[curidx];
curbits += upair12_sign_bits[curidx2];
vec = &p_codes[curidx*2];
vec2 = &p_codes[curidx2*2];
__asm__ volatile (
".set push \n\t"
".set noreorder \n\t"
"lwc1 %[di0], 0(%[in_pos]) \n\t"
"lwc1 %[di1], 4(%[in_pos]) \n\t"
"lwc1 %[di2], 8(%[in_pos]) \n\t"
"lwc1 %[di3], 12(%[in_pos]) \n\t"
"abs.s %[di0], %[di0] \n\t"
"abs.s %[di1], %[di1] \n\t"
"abs.s %[di2], %[di2] \n\t"
"abs.s %[di3], %[di3] \n\t"
"lwc1 $f0, 0(%[vec]) \n\t"
"lwc1 $f1, 4(%[vec]) \n\t"
"lwc1 $f2, 0(%[vec2]) \n\t"
"lwc1 $f3, 4(%[vec2]) \n\t"
"nmsub.s %[di0], %[di0], $f0, %[IQ] \n\t"
"nmsub.s %[di1], %[di1], $f1, %[IQ] \n\t"
"nmsub.s %[di2], %[di2], $f2, %[IQ] \n\t"
"nmsub.s %[di3], %[di3], $f3, %[IQ] \n\t"
".set pop \n\t"
: [di0]"=&f"(di0), [di1]"=&f"(di1),
[di2]"=&f"(di2), [di3]"=&f"(di3)
: [in_pos]"r"(in_pos), [vec]"r"(vec),
[vec2]"r"(vec2), [IQ]"f"(IQ)
: "$f0", "$f1", "$f2", "$f3",
"memory"
);
cost += di0 * di0 + di1 * di1
+ di2 * di2 + di3 * di3;
}
if (bits)
*bits = curbits;
return cost * lambda + curbits;
}
static float get_band_cost_ESC_mips(struct AACEncContext *s,
PutBitContext *pb, const float *in,
const float *scaled, int size, int scale_idx,
int cb, const float lambda, const float uplim,
int *bits)
{
const float Q34 = ff_aac_pow34sf_tab[POW_SF2_ZERO - scale_idx + SCALE_ONE_POS - SCALE_DIV_512];
const float IQ = ff_aac_pow2sf_tab [POW_SF2_ZERO + scale_idx - SCALE_ONE_POS + SCALE_DIV_512];
const float CLIPPED_ESCAPE = 165140.0f * IQ;
int i;
float cost = 0;
int qc1, qc2, qc3, qc4;
int curbits = 0;
uint8_t *p_bits = (uint8_t*)ff_aac_spectral_bits[cb-1];
float *p_codes = (float* )ff_aac_codebook_vectors[cb-1];
for (i = 0; i < size; i += 4) {
const float *vec, *vec2;
int curidx, curidx2;
float t1, t2, t3, t4;
float di1, di2, di3, di4;
int cond0, cond1, cond2, cond3;
int c1, c2, c3, c4;
qc1 = scaled[i ] * Q34 + 0.4054f;
qc2 = scaled[i+1] * Q34 + 0.4054f;
qc3 = scaled[i+2] * Q34 + 0.4054f;
qc4 = scaled[i+3] * Q34 + 0.4054f;
__asm__ volatile (
".set push \n\t"
".set noreorder \n\t"
"ori $t4, $zero, 15 \n\t"
"ori $t5, $zero, 16 \n\t"
"shll_s.w %[c1], %[qc1], 18 \n\t"
"shll_s.w %[c2], %[qc2], 18 \n\t"
"shll_s.w %[c3], %[qc3], 18 \n\t"
"shll_s.w %[c4], %[qc4], 18 \n\t"
"srl %[c1], %[c1], 18 \n\t"
"srl %[c2], %[c2], 18 \n\t"
"srl %[c3], %[c3], 18 \n\t"
"srl %[c4], %[c4], 18 \n\t"
"slt %[cond0], $t4, %[qc1] \n\t"
"slt %[cond1], $t4, %[qc2] \n\t"
"slt %[cond2], $t4, %[qc3] \n\t"
"slt %[cond3], $t4, %[qc4] \n\t"
"movn %[qc1], $t5, %[cond0] \n\t"
"movn %[qc2], $t5, %[cond1] \n\t"
"movn %[qc3], $t5, %[cond2] \n\t"
"movn %[qc4], $t5, %[cond3] \n\t"
".set pop \n\t"
: [qc1]"+r"(qc1), [qc2]"+r"(qc2),
[qc3]"+r"(qc3), [qc4]"+r"(qc4),
[cond0]"=&r"(cond0), [cond1]"=&r"(cond1),
[cond2]"=&r"(cond2), [cond3]"=&r"(cond3),
[c1]"=&r"(c1), [c2]"=&r"(c2),
[c3]"=&r"(c3), [c4]"=&r"(c4)
:
: "t4", "t5"
);
curidx = 17 * qc1;
curidx += qc2;
curidx2 = 17 * qc3;
curidx2 += qc4;
curbits += p_bits[curidx];
curbits += esc_sign_bits[curidx];
vec = &p_codes[curidx*2];
curbits += p_bits[curidx2];
curbits += esc_sign_bits[curidx2];
vec2 = &p_codes[curidx2*2];
curbits += (av_log2(c1) * 2 - 3) & (-cond0);
curbits += (av_log2(c2) * 2 - 3) & (-cond1);
curbits += (av_log2(c3) * 2 - 3) & (-cond2);
curbits += (av_log2(c4) * 2 - 3) & (-cond3);
t1 = fabsf(in[i ]);
t2 = fabsf(in[i+1]);
t3 = fabsf(in[i+2]);
t4 = fabsf(in[i+3]);
if (cond0) {
if (t1 >= CLIPPED_ESCAPE) {
di1 = t1 - CLIPPED_ESCAPE;
} else {
di1 = t1 - c1 * cbrtf(c1) * IQ;
}
} else
di1 = t1 - vec[0] * IQ;
if (cond1) {
if (t2 >= CLIPPED_ESCAPE) {
di2 = t2 - CLIPPED_ESCAPE;
} else {
di2 = t2 - c2 * cbrtf(c2) * IQ;
}
} else
di2 = t2 - vec[1] * IQ;
if (cond2) {
if (t3 >= CLIPPED_ESCAPE) {
di3 = t3 - CLIPPED_ESCAPE;
} else {
di3 = t3 - c3 * cbrtf(c3) * IQ;
}
} else
di3 = t3 - vec2[0] * IQ;
if (cond3) {
if (t4 >= CLIPPED_ESCAPE) {
di4 = t4 - CLIPPED_ESCAPE;
} else {
di4 = t4 - c4 * cbrtf(c4) * IQ;
}
} else
di4 = t4 - vec2[1]*IQ;
cost += di1 * di1 + di2 * di2
+ di3 * di3 + di4 * di4;
}
if (bits)
*bits = curbits;
return cost * lambda + curbits;
}
static float (*const get_band_cost_arr[])(struct AACEncContext *s,
PutBitContext *pb, const float *in,
const float *scaled, int size, int scale_idx,
int cb, const float lambda, const float uplim,
int *bits) = {
get_band_cost_ZERO_mips,
get_band_cost_SQUAD_mips,
get_band_cost_SQUAD_mips,
get_band_cost_UQUAD_mips,
get_band_cost_UQUAD_mips,
get_band_cost_SPAIR_mips,
get_band_cost_SPAIR_mips,
get_band_cost_UPAIR7_mips,
get_band_cost_UPAIR7_mips,
get_band_cost_UPAIR12_mips,
get_band_cost_UPAIR12_mips,
get_band_cost_ESC_mips,
};
#define get_band_cost( \
s, pb, in, scaled, size, scale_idx, cb, \
lambda, uplim, bits) \
get_band_cost_arr[cb]( \
s, pb, in, scaled, size, scale_idx, cb, \
lambda, uplim, bits)
static float quantize_band_cost(struct AACEncContext *s, const float *in,
const float *scaled, int size, int scale_idx,
int cb, const float lambda, const float uplim,
int *bits)
{
return get_band_cost(s, NULL, in, scaled, size, scale_idx, cb, lambda, uplim, bits);
}
static void search_for_quantizers_twoloop_mips(AVCodecContext *avctx,
AACEncContext *s,
SingleChannelElement *sce,
const float lambda)
{
int start = 0, i, w, w2, g;
int destbits = avctx->bit_rate * 1024.0 / avctx->sample_rate / avctx->channels;
float dists[128] = { 0 }, uplims[128];
float maxvals[128];
int fflag, minscaler;
int its = 0;
int allz = 0;
float minthr = INFINITY;
destbits = FFMIN(destbits, 5800);
for (w = 0; w < sce->ics.num_windows; w += sce->ics.group_len[w]) {
for (g = 0; g < sce->ics.num_swb; g++) {
int nz = 0;
float uplim = 0.0f;
for (w2 = 0; w2 < sce->ics.group_len[w]; w2++) {
FFPsyBand *band = &s->psy.ch[s->cur_channel].psy_bands[(w+w2)*16+g];
uplim += band->threshold;
if (band->energy <= band->threshold || band->threshold == 0.0f) {
sce->zeroes[(w+w2)*16+g] = 1;
continue;
}
nz = 1;
}
uplims[w*16+g] = uplim *512;
sce->zeroes[w*16+g] = !nz;
if (nz)
minthr = FFMIN(minthr, uplim);
allz |= nz;
}
}
for (w = 0; w < sce->ics.num_windows; w += sce->ics.group_len[w]) {
for (g = 0; g < sce->ics.num_swb; g++) {
if (sce->zeroes[w*16+g]) {
sce->sf_idx[w*16+g] = SCALE_ONE_POS;
continue;
}
sce->sf_idx[w*16+g] = SCALE_ONE_POS + FFMIN(log2f(uplims[w*16+g]/minthr)*4,59);
}
}
if (!allz)
return;
abs_pow34_v(s->scoefs, sce->coeffs, 1024);
for (w = 0; w < sce->ics.num_windows; w += sce->ics.group_len[w]) {
start = w*128;
for (g = 0; g < sce->ics.num_swb; g++) {
const float *scaled = s->scoefs + start;
maxvals[w*16+g] = find_max_val(sce->ics.group_len[w], sce->ics.swb_sizes[g], scaled);
start += sce->ics.swb_sizes[g];
}
}
do {
int tbits, qstep;
minscaler = sce->sf_idx[0];
qstep = its ? 1 : 32;
do {
int prev = -1;
tbits = 0;
fflag = 0;
if (qstep > 1) {
for (w = 0; w < sce->ics.num_windows; w += sce->ics.group_len[w]) {
start = w*128;
for (g = 0; g < sce->ics.num_swb; g++) {
const float *coefs = sce->coeffs + start;
const float *scaled = s->scoefs + start;
int bits = 0;
int cb;
if (sce->zeroes[w*16+g] || sce->sf_idx[w*16+g] >= 218) {
start += sce->ics.swb_sizes[g];
continue;
}
minscaler = FFMIN(minscaler, sce->sf_idx[w*16+g]);
cb = find_min_book(maxvals[w*16+g], sce->sf_idx[w*16+g]);
for (w2 = 0; w2 < sce->ics.group_len[w]; w2++) {
int b;
bits += quantize_band_cost_bits(s, coefs + w2*128,
scaled + w2*128,
sce->ics.swb_sizes[g],
sce->sf_idx[w*16+g],
cb,
1.0f,
INFINITY,
&b);
}
if (prev != -1) {
bits += ff_aac_scalefactor_bits[sce->sf_idx[w*16+g] - prev + SCALE_DIFF_ZERO];
}
tbits += bits;
start += sce->ics.swb_sizes[g];
prev = sce->sf_idx[w*16+g];
}
}
}
else {
for (w = 0; w < sce->ics.num_windows; w += sce->ics.group_len[w]) {
start = w*128;
for (g = 0; g < sce->ics.num_swb; g++) {
const float *coefs = sce->coeffs + start;
const float *scaled = s->scoefs + start;
int bits = 0;
int cb;
float dist = 0.0f;
if (sce->zeroes[w*16+g] || sce->sf_idx[w*16+g] >= 218) {
start += sce->ics.swb_sizes[g];
continue;
}
minscaler = FFMIN(minscaler, sce->sf_idx[w*16+g]);
cb = find_min_book(maxvals[w*16+g], sce->sf_idx[w*16+g]);
for (w2 = 0; w2 < sce->ics.group_len[w]; w2++) {
int b;
dist += quantize_band_cost(s, coefs + w2*128,
scaled + w2*128,
sce->ics.swb_sizes[g],
sce->sf_idx[w*16+g],
cb,
1.0f,
INFINITY,
&b);
bits += b;
}
dists[w*16+g] = dist - bits;
if (prev != -1) {
bits += ff_aac_scalefactor_bits[sce->sf_idx[w*16+g] - prev + SCALE_DIFF_ZERO];
}
tbits += bits;
start += sce->ics.swb_sizes[g];
prev = sce->sf_idx[w*16+g];
}
}
}
if (tbits > destbits) {
for (i = 0; i < 128; i++)
if (sce->sf_idx[i] < 218 - qstep)
sce->sf_idx[i] += qstep;
} else {
for (i = 0; i < 128; i++)
if (sce->sf_idx[i] > 60 - qstep)
sce->sf_idx[i] -= qstep;
}
qstep >>= 1;
if (!qstep && tbits > destbits*1.02 && sce->sf_idx[0] < 217)
qstep = 1;
} while (qstep);
fflag = 0;
minscaler = av_clip(minscaler, 60, 255 - SCALE_MAX_DIFF);
for (w = 0; w < sce->ics.num_windows; w += sce->ics.group_len[w]) {
for (g = 0; g < sce->ics.num_swb; g++) {
int prevsc = sce->sf_idx[w*16+g];
if (dists[w*16+g] > uplims[w*16+g] && sce->sf_idx[w*16+g] > 60) {
if (find_min_book(maxvals[w*16+g], sce->sf_idx[w*16+g]-1))
sce->sf_idx[w*16+g]--;
else
sce->sf_idx[w*16+g]-=2;
}
sce->sf_idx[w*16+g] = av_clip(sce->sf_idx[w*16+g], minscaler, minscaler + SCALE_MAX_DIFF);
sce->sf_idx[w*16+g] = FFMIN(sce->sf_idx[w*16+g], 219);
if (sce->sf_idx[w*16+g] != prevsc)
fflag = 1;
sce->band_type[w*16+g] = find_min_book(maxvals[w*16+g], sce->sf_idx[w*16+g]);
}
}
its++;
} while (fflag && its < 10);
}
static void search_for_ms_mips(AACEncContext *s, ChannelElement *cpe,
const float lambda)
{
int start = 0, i, w, w2, g;
float M[128], S[128];
float *L34 = s->scoefs, *R34 = s->scoefs + 128, *M34 = s->scoefs + 128*2, *S34 = s->scoefs + 128*3;
SingleChannelElement *sce0 = &cpe->ch[0];
SingleChannelElement *sce1 = &cpe->ch[1];
if (!cpe->common_window)
return;
for (w = 0; w < sce0->ics.num_windows; w += sce0->ics.group_len[w]) {
for (g = 0; g < sce0->ics.num_swb; g++) {
if (!cpe->ch[0].zeroes[w*16+g] && !cpe->ch[1].zeroes[w*16+g]) {
float dist1 = 0.0f, dist2 = 0.0f;
for (w2 = 0; w2 < sce0->ics.group_len[w]; w2++) {
FFPsyBand *band0 = &s->psy.ch[s->cur_channel+0].psy_bands[(w+w2)*16+g];
FFPsyBand *band1 = &s->psy.ch[s->cur_channel+1].psy_bands[(w+w2)*16+g];
float minthr = FFMIN(band0->threshold, band1->threshold);
float maxthr = FFMAX(band0->threshold, band1->threshold);
for (i = 0; i < sce0->ics.swb_sizes[g]; i+=4) {
M[i ] = (sce0->coeffs[start+w2*128+i ]
+ sce1->coeffs[start+w2*128+i ]) * 0.5;
M[i+1] = (sce0->coeffs[start+w2*128+i+1]
+ sce1->coeffs[start+w2*128+i+1]) * 0.5;
M[i+2] = (sce0->coeffs[start+w2*128+i+2]
+ sce1->coeffs[start+w2*128+i+2]) * 0.5;
M[i+3] = (sce0->coeffs[start+w2*128+i+3]
+ sce1->coeffs[start+w2*128+i+3]) * 0.5;
S[i ] = M[i ]
- sce1->coeffs[start+w2*128+i ];
S[i+1] = M[i+1]
- sce1->coeffs[start+w2*128+i+1];
S[i+2] = M[i+2]
- sce1->coeffs[start+w2*128+i+2];
S[i+3] = M[i+3]
- sce1->coeffs[start+w2*128+i+3];
}
abs_pow34_v(L34, sce0->coeffs+start+w2*128, sce0->ics.swb_sizes[g]);
abs_pow34_v(R34, sce1->coeffs+start+w2*128, sce0->ics.swb_sizes[g]);
abs_pow34_v(M34, M, sce0->ics.swb_sizes[g]);
abs_pow34_v(S34, S, sce0->ics.swb_sizes[g]);
dist1 += quantize_band_cost(s, sce0->coeffs + start + w2*128,
L34,
sce0->ics.swb_sizes[g],
sce0->sf_idx[(w+w2)*16+g],
sce0->band_type[(w+w2)*16+g],
lambda / band0->threshold, INFINITY, NULL);
dist1 += quantize_band_cost(s, sce1->coeffs + start + w2*128,
R34,
sce1->ics.swb_sizes[g],
sce1->sf_idx[(w+w2)*16+g],
sce1->band_type[(w+w2)*16+g],
lambda / band1->threshold, INFINITY, NULL);
dist2 += quantize_band_cost(s, M,
M34,
sce0->ics.swb_sizes[g],
sce0->sf_idx[(w+w2)*16+g],
sce0->band_type[(w+w2)*16+g],
lambda / maxthr, INFINITY, NULL);
dist2 += quantize_band_cost(s, S,
S34,
sce1->ics.swb_sizes[g],
sce1->sf_idx[(w+w2)*16+g],
sce1->band_type[(w+w2)*16+g],
lambda / minthr, INFINITY, NULL);
}
cpe->ms_mask[w*16+g] = dist2 < dist1;
}
start += sce0->ics.swb_sizes[g];
}
}
}
#endif /*HAVE_MIPSFPU */
static void codebook_trellis_rate_mips(AACEncContext *s, SingleChannelElement *sce,
int win, int group_len, const float lambda)
{
BandCodingPath path[120][12];
int w, swb, cb, start, size;
int i, j;
const int max_sfb = sce->ics.max_sfb;
const int run_bits = sce->ics.num_windows == 1 ? 5 : 3;
const int run_esc = (1 << run_bits) - 1;
int idx, ppos, count;
int stackrun[120], stackcb[120], stack_len;
float next_minbits = INFINITY;
int next_mincb = 0;
abs_pow34_v(s->scoefs, sce->coeffs, 1024);
start = win*128;
for (cb = 0; cb < 12; cb++) {
path[0][cb].cost = run_bits+4;
path[0][cb].prev_idx = -1;
path[0][cb].run = 0;
}
for (swb = 0; swb < max_sfb; swb++) {
size = sce->ics.swb_sizes[swb];
if (sce->zeroes[win*16 + swb]) {
float cost_stay_here = path[swb][0].cost;
float cost_get_here = next_minbits + run_bits + 4;
if ( run_value_bits[sce->ics.num_windows == 8][path[swb][0].run]
!= run_value_bits[sce->ics.num_windows == 8][path[swb][0].run+1])
cost_stay_here += run_bits;
if (cost_get_here < cost_stay_here) {
path[swb+1][0].prev_idx = next_mincb;
path[swb+1][0].cost = cost_get_here;
path[swb+1][0].run = 1;
} else {
path[swb+1][0].prev_idx = 0;
path[swb+1][0].cost = cost_stay_here;
path[swb+1][0].run = path[swb][0].run + 1;
}
next_minbits = path[swb+1][0].cost;
next_mincb = 0;
for (cb = 1; cb < 12; cb++) {
path[swb+1][cb].cost = 61450;
path[swb+1][cb].prev_idx = -1;
path[swb+1][cb].run = 0;
}
} else {
float minbits = next_minbits;
int mincb = next_mincb;
int startcb = sce->band_type[win*16+swb];
next_minbits = INFINITY;
next_mincb = 0;
for (cb = 0; cb < startcb; cb++) {
path[swb+1][cb].cost = 61450;
path[swb+1][cb].prev_idx = -1;
path[swb+1][cb].run = 0;
}
for (cb = startcb; cb < 12; cb++) {
float cost_stay_here, cost_get_here;
float bits = 0.0f;
for (w = 0; w < group_len; w++) {
bits += quantize_band_cost_bits(s, sce->coeffs + start + w*128,
s->scoefs + start + w*128, size,
sce->sf_idx[(win+w)*16+swb], cb,
0, INFINITY, NULL);
}
cost_stay_here = path[swb][cb].cost + bits;
cost_get_here = minbits + bits + run_bits + 4;
if ( run_value_bits[sce->ics.num_windows == 8][path[swb][cb].run]
!= run_value_bits[sce->ics.num_windows == 8][path[swb][cb].run+1])
cost_stay_here += run_bits;
if (cost_get_here < cost_stay_here) {
path[swb+1][cb].prev_idx = mincb;
path[swb+1][cb].cost = cost_get_here;
path[swb+1][cb].run = 1;
} else {
path[swb+1][cb].prev_idx = cb;
path[swb+1][cb].cost = cost_stay_here;
path[swb+1][cb].run = path[swb][cb].run + 1;
}
if (path[swb+1][cb].cost < next_minbits) {
next_minbits = path[swb+1][cb].cost;
next_mincb = cb;
}
}
}
start += sce->ics.swb_sizes[swb];
}
stack_len = 0;
idx = 0;
for (cb = 1; cb < 12; cb++)
if (path[max_sfb][cb].cost < path[max_sfb][idx].cost)
idx = cb;
ppos = max_sfb;
while (ppos > 0) {
av_assert1(idx >= 0);
cb = idx;
stackrun[stack_len] = path[ppos][cb].run;
stackcb [stack_len] = cb;
idx = path[ppos-path[ppos][cb].run+1][cb].prev_idx;
ppos -= path[ppos][cb].run;
stack_len++;
}
start = 0;
for (i = stack_len - 1; i >= 0; i--) {
put_bits(&s->pb, 4, stackcb[i]);
count = stackrun[i];
memset(sce->zeroes + win*16 + start, !stackcb[i], count);
for (j = 0; j < count; j++) {
sce->band_type[win*16 + start] = stackcb[i];
start++;
}
while (count >= run_esc) {
put_bits(&s->pb, run_bits, run_esc);
count -= run_esc;
}
put_bits(&s->pb, run_bits, count);
}
}
#endif /* HAVE_INLINE_ASM */
void ff_aac_coder_init_mips(AACEncContext *c) {
#if HAVE_INLINE_ASM
AACCoefficientsEncoder *e = c->coder;
int option = c->options.aac_coder;
if (option == 2) {
e->quantize_and_encode_band = quantize_and_encode_band_mips;
e->encode_window_bands_info = codebook_trellis_rate_mips;
#if HAVE_MIPSFPU
e->search_for_quantizers = search_for_quantizers_twoloop_mips;
e->search_for_ms = search_for_ms_mips;
#endif /* HAVE_MIPSFPU */
}
#endif /* HAVE_INLINE_ASM */
}
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