diff options
Diffstat (limited to 'libavcodec/mips/aaccoder_mips.c')
| -rw-r--r-- | libavcodec/mips/aaccoder_mips.c | 2498 |
1 files changed, 2498 insertions, 0 deletions
diff --git a/libavcodec/mips/aaccoder_mips.c b/libavcodec/mips/aaccoder_mips.c new file mode 100644 index 0000000000..8595913029 --- /dev/null +++ b/libavcodec/mips/aaccoder_mips.c @@ -0,0 +1,2498 @@ +/* + * 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 * const 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 */ +} |