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Diffstat (limited to 'ffmpeg/libavcodec/mips/aacdec_mips.c')
-rw-r--r--ffmpeg/libavcodec/mips/aacdec_mips.c831
1 files changed, 0 insertions, 831 deletions
diff --git a/ffmpeg/libavcodec/mips/aacdec_mips.c b/ffmpeg/libavcodec/mips/aacdec_mips.c
deleted file mode 100644
index e403366..0000000
--- a/ffmpeg/libavcodec/mips/aacdec_mips.c
+++ /dev/null
@@ -1,831 +0,0 @@
-/*
- * Copyright (c) 2012
- * MIPS Technologies, Inc., California.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. Neither the name of the MIPS Technologies, Inc., nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE MIPS TECHNOLOGIES, INC. ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE MIPS TECHNOLOGIES, INC. BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- * Authors: Darko Laus (darko@mips.com)
- * Djordje Pesut (djordje@mips.com)
- * Mirjana Vulin (mvulin@mips.com)
- *
- * This file is part of FFmpeg.
- *
- * FFmpeg is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * FFmpeg is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with FFmpeg; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- */
-
-/**
- * @file
- * Reference: libavcodec/aacdec.c
- */
-
-#include "libavcodec/aac.h"
-#include "aacdec_mips.h"
-#include "libavcodec/aactab.h"
-#include "libavcodec/sinewin.h"
-
-#if HAVE_INLINE_ASM
-static av_always_inline int lcg_random(unsigned previous_val)
-{
- union { unsigned u; int s; } v = { previous_val * 1664525u + 1013904223 };
- return v.s;
-}
-
-static void imdct_and_windowing_mips(AACContext *ac, SingleChannelElement *sce)
-{
- IndividualChannelStream *ics = &sce->ics;
- float *in = sce->coeffs;
- float *out = sce->ret;
- float *saved = sce->saved;
- const float *swindow = ics->use_kb_window[0] ? ff_aac_kbd_short_128 : ff_sine_128;
- const float *lwindow_prev = ics->use_kb_window[1] ? ff_aac_kbd_long_1024 : ff_sine_1024;
- const float *swindow_prev = ics->use_kb_window[1] ? ff_aac_kbd_short_128 : ff_sine_128;
- float *buf = ac->buf_mdct;
- int i;
-
- if (ics->window_sequence[0] == EIGHT_SHORT_SEQUENCE) {
- for (i = 0; i < 1024; i += 128)
- ac->mdct_small.imdct_half(&ac->mdct_small, buf + i, in + i);
- } else
- ac->mdct.imdct_half(&ac->mdct, buf, in);
-
- /* window overlapping
- * NOTE: To simplify the overlapping code, all 'meaningless' short to long
- * and long to short transitions are considered to be short to short
- * transitions. This leaves just two cases (long to long and short to short)
- * with a little special sauce for EIGHT_SHORT_SEQUENCE.
- */
- if ((ics->window_sequence[1] == ONLY_LONG_SEQUENCE || ics->window_sequence[1] == LONG_STOP_SEQUENCE) &&
- (ics->window_sequence[0] == ONLY_LONG_SEQUENCE || ics->window_sequence[0] == LONG_START_SEQUENCE)) {
- ac->fdsp.vector_fmul_window( out, saved, buf, lwindow_prev, 512);
- } else {
- {
- float *buf1 = saved;
- float *buf2 = out;
- int temp0, temp1, temp2, temp3, temp4, temp5, temp6, temp7;
- int loop_end;
-
- /* loop unrolled 8 times */
- __asm__ volatile (
- ".set push \n\t"
- ".set noreorder \n\t"
- "addiu %[loop_end], %[src], 1792 \n\t"
- "1: \n\t"
- "lw %[temp0], 0(%[src]) \n\t"
- "lw %[temp1], 4(%[src]) \n\t"
- "lw %[temp2], 8(%[src]) \n\t"
- "lw %[temp3], 12(%[src]) \n\t"
- "lw %[temp4], 16(%[src]) \n\t"
- "lw %[temp5], 20(%[src]) \n\t"
- "lw %[temp6], 24(%[src]) \n\t"
- "lw %[temp7], 28(%[src]) \n\t"
- "addiu %[src], %[src], 32 \n\t"
- "sw %[temp0], 0(%[dst]) \n\t"
- "sw %[temp1], 4(%[dst]) \n\t"
- "sw %[temp2], 8(%[dst]) \n\t"
- "sw %[temp3], 12(%[dst]) \n\t"
- "sw %[temp4], 16(%[dst]) \n\t"
- "sw %[temp5], 20(%[dst]) \n\t"
- "sw %[temp6], 24(%[dst]) \n\t"
- "sw %[temp7], 28(%[dst]) \n\t"
- "bne %[src], %[loop_end], 1b \n\t"
- " addiu %[dst], %[dst], 32 \n\t"
- ".set pop \n\t"
-
- : [temp0]"=&r"(temp0), [temp1]"=&r"(temp1),
- [temp2]"=&r"(temp2), [temp3]"=&r"(temp3),
- [temp4]"=&r"(temp4), [temp5]"=&r"(temp5),
- [temp6]"=&r"(temp6), [temp7]"=&r"(temp7),
- [loop_end]"=&r"(loop_end), [src]"+r"(buf1),
- [dst]"+r"(buf2)
- :
- : "memory"
- );
- }
-
- if (ics->window_sequence[0] == EIGHT_SHORT_SEQUENCE) {
- {
- float wi;
- float wj;
- int i;
- float temp0, temp1, temp2, temp3;
- float *dst0 = out + 448 + 0*128;
- float *dst1 = dst0 + 64 + 63;
- float *dst2 = saved + 63;
- float *win0 = (float*)swindow;
- float *win1 = win0 + 64 + 63;
- float *win0_prev = (float*)swindow_prev;
- float *win1_prev = win0_prev + 64 + 63;
- float *src0_prev = saved + 448;
- float *src1_prev = buf + 0*128 + 63;
- float *src0 = buf + 0*128 + 64;
- float *src1 = buf + 1*128 + 63;
-
- for(i = 0; i < 64; i++)
- {
- temp0 = src0_prev[0];
- temp1 = src1_prev[0];
- wi = *win0_prev;
- wj = *win1_prev;
- temp2 = src0[0];
- temp3 = src1[0];
- dst0[0] = temp0 * wj - temp1 * wi;
- dst1[0] = temp0 * wi + temp1 * wj;
-
- wi = *win0;
- wj = *win1;
-
- temp0 = src0[128];
- temp1 = src1[128];
- dst0[128] = temp2 * wj - temp3 * wi;
- dst1[128] = temp2 * wi + temp3 * wj;
-
- temp2 = src0[256];
- temp3 = src1[256];
- dst0[256] = temp0 * wj - temp1 * wi;
- dst1[256] = temp0 * wi + temp1 * wj;
- dst0[384] = temp2 * wj - temp3 * wi;
- dst1[384] = temp2 * wi + temp3 * wj;
-
- temp0 = src0[384];
- temp1 = src1[384];
- dst0[512] = temp0 * wj - temp1 * wi;
- dst2[0] = temp0 * wi + temp1 * wj;
-
- src0++;
- src1--;
- src0_prev++;
- src1_prev--;
- win0++;
- win1--;
- win0_prev++;
- win1_prev--;
- dst0++;
- dst1--;
- dst2--;
- }
- }
- } else {
- ac->fdsp.vector_fmul_window(out + 448, saved + 448, buf, swindow_prev, 64);
- {
- float *buf1 = buf + 64;
- float *buf2 = out + 576;
- int temp0, temp1, temp2, temp3, temp4, temp5, temp6, temp7;
- int loop_end;
-
- /* loop unrolled 8 times */
- __asm__ volatile (
- ".set push \n\t"
- ".set noreorder \n\t"
- "addiu %[loop_end], %[src], 1792 \n\t"
- "1: \n\t"
- "lw %[temp0], 0(%[src]) \n\t"
- "lw %[temp1], 4(%[src]) \n\t"
- "lw %[temp2], 8(%[src]) \n\t"
- "lw %[temp3], 12(%[src]) \n\t"
- "lw %[temp4], 16(%[src]) \n\t"
- "lw %[temp5], 20(%[src]) \n\t"
- "lw %[temp6], 24(%[src]) \n\t"
- "lw %[temp7], 28(%[src]) \n\t"
- "addiu %[src], %[src], 32 \n\t"
- "sw %[temp0], 0(%[dst]) \n\t"
- "sw %[temp1], 4(%[dst]) \n\t"
- "sw %[temp2], 8(%[dst]) \n\t"
- "sw %[temp3], 12(%[dst]) \n\t"
- "sw %[temp4], 16(%[dst]) \n\t"
- "sw %[temp5], 20(%[dst]) \n\t"
- "sw %[temp6], 24(%[dst]) \n\t"
- "sw %[temp7], 28(%[dst]) \n\t"
- "bne %[src], %[loop_end], 1b \n\t"
- " addiu %[dst], %[dst], 32 \n\t"
- ".set pop \n\t"
-
- : [temp0]"=&r"(temp0), [temp1]"=&r"(temp1),
- [temp2]"=&r"(temp2), [temp3]"=&r"(temp3),
- [temp4]"=&r"(temp4), [temp5]"=&r"(temp5),
- [temp6]"=&r"(temp6), [temp7]"=&r"(temp7),
- [loop_end]"=&r"(loop_end), [src]"+r"(buf1),
- [dst]"+r"(buf2)
- :
- : "memory"
- );
- }
- }
- }
-
- // buffer update
- if (ics->window_sequence[0] == EIGHT_SHORT_SEQUENCE) {
- ac->fdsp.vector_fmul_window(saved + 64, buf + 4*128 + 64, buf + 5*128, swindow, 64);
- ac->fdsp.vector_fmul_window(saved + 192, buf + 5*128 + 64, buf + 6*128, swindow, 64);
- ac->fdsp.vector_fmul_window(saved + 320, buf + 6*128 + 64, buf + 7*128, swindow, 64);
- {
- float *buf1 = buf + 7*128 + 64;
- float *buf2 = saved + 448;
- int temp0, temp1, temp2, temp3, temp4, temp5, temp6, temp7;
- int loop_end;
-
- /* loop unrolled 8 times */
- __asm__ volatile (
- ".set push \n\t"
- ".set noreorder \n\t"
- "addiu %[loop_end], %[src], 256 \n\t"
- "1: \n\t"
- "lw %[temp0], 0(%[src]) \n\t"
- "lw %[temp1], 4(%[src]) \n\t"
- "lw %[temp2], 8(%[src]) \n\t"
- "lw %[temp3], 12(%[src]) \n\t"
- "lw %[temp4], 16(%[src]) \n\t"
- "lw %[temp5], 20(%[src]) \n\t"
- "lw %[temp6], 24(%[src]) \n\t"
- "lw %[temp7], 28(%[src]) \n\t"
- "addiu %[src], %[src], 32 \n\t"
- "sw %[temp0], 0(%[dst]) \n\t"
- "sw %[temp1], 4(%[dst]) \n\t"
- "sw %[temp2], 8(%[dst]) \n\t"
- "sw %[temp3], 12(%[dst]) \n\t"
- "sw %[temp4], 16(%[dst]) \n\t"
- "sw %[temp5], 20(%[dst]) \n\t"
- "sw %[temp6], 24(%[dst]) \n\t"
- "sw %[temp7], 28(%[dst]) \n\t"
- "bne %[src], %[loop_end], 1b \n\t"
- " addiu %[dst], %[dst], 32 \n\t"
- ".set pop \n\t"
-
- : [temp0]"=&r"(temp0), [temp1]"=&r"(temp1),
- [temp2]"=&r"(temp2), [temp3]"=&r"(temp3),
- [temp4]"=&r"(temp4), [temp5]"=&r"(temp5),
- [temp6]"=&r"(temp6), [temp7]"=&r"(temp7),
- [loop_end]"=&r"(loop_end), [src]"+r"(buf1),
- [dst]"+r"(buf2)
- :
- : "memory"
- );
- }
- } else if (ics->window_sequence[0] == LONG_START_SEQUENCE) {
- float *buf1 = buf + 512;
- float *buf2 = saved;
- int temp0, temp1, temp2, temp3, temp4, temp5, temp6, temp7;
- int loop_end;
-
- /* loop unrolled 8 times */
- __asm__ volatile (
- ".set push \n\t"
- ".set noreorder \n\t"
- "addiu %[loop_end], %[src], 1792 \n\t"
- "1: \n\t"
- "lw %[temp0], 0(%[src]) \n\t"
- "lw %[temp1], 4(%[src]) \n\t"
- "lw %[temp2], 8(%[src]) \n\t"
- "lw %[temp3], 12(%[src]) \n\t"
- "lw %[temp4], 16(%[src]) \n\t"
- "lw %[temp5], 20(%[src]) \n\t"
- "lw %[temp6], 24(%[src]) \n\t"
- "lw %[temp7], 28(%[src]) \n\t"
- "addiu %[src], %[src], 32 \n\t"
- "sw %[temp0], 0(%[dst]) \n\t"
- "sw %[temp1], 4(%[dst]) \n\t"
- "sw %[temp2], 8(%[dst]) \n\t"
- "sw %[temp3], 12(%[dst]) \n\t"
- "sw %[temp4], 16(%[dst]) \n\t"
- "sw %[temp5], 20(%[dst]) \n\t"
- "sw %[temp6], 24(%[dst]) \n\t"
- "sw %[temp7], 28(%[dst]) \n\t"
- "bne %[src], %[loop_end], 1b \n\t"
- " addiu %[dst], %[dst], 32 \n\t"
- ".set pop \n\t"
-
- : [temp0]"=&r"(temp0), [temp1]"=&r"(temp1),
- [temp2]"=&r"(temp2), [temp3]"=&r"(temp3),
- [temp4]"=&r"(temp4), [temp5]"=&r"(temp5),
- [temp6]"=&r"(temp6), [temp7]"=&r"(temp7),
- [loop_end]"=&r"(loop_end), [src]"+r"(buf1),
- [dst]"+r"(buf2)
- :
- : "memory"
- );
- {
- float *buf1 = buf + 7*128 + 64;
- float *buf2 = saved + 448;
- int temp0, temp1, temp2, temp3, temp4, temp5, temp6, temp7;
- int loop_end;
-
- /* loop unrolled 8 times */
- __asm__ volatile (
- ".set push \n\t"
- ".set noreorder \n\t"
- "addiu %[loop_end], %[src], 256 \n\t"
- "1: \n\t"
- "lw %[temp0], 0(%[src]) \n\t"
- "lw %[temp1], 4(%[src]) \n\t"
- "lw %[temp2], 8(%[src]) \n\t"
- "lw %[temp3], 12(%[src]) \n\t"
- "lw %[temp4], 16(%[src]) \n\t"
- "lw %[temp5], 20(%[src]) \n\t"
- "lw %[temp6], 24(%[src]) \n\t"
- "lw %[temp7], 28(%[src]) \n\t"
- "addiu %[src], %[src], 32 \n\t"
- "sw %[temp0], 0(%[dst]) \n\t"
- "sw %[temp1], 4(%[dst]) \n\t"
- "sw %[temp2], 8(%[dst]) \n\t"
- "sw %[temp3], 12(%[dst]) \n\t"
- "sw %[temp4], 16(%[dst]) \n\t"
- "sw %[temp5], 20(%[dst]) \n\t"
- "sw %[temp6], 24(%[dst]) \n\t"
- "sw %[temp7], 28(%[dst]) \n\t"
- "bne %[src], %[loop_end], 1b \n\t"
- " addiu %[dst], %[dst], 32 \n\t"
- ".set pop \n\t"
-
- : [temp0]"=&r"(temp0), [temp1]"=&r"(temp1),
- [temp2]"=&r"(temp2), [temp3]"=&r"(temp3),
- [temp4]"=&r"(temp4), [temp5]"=&r"(temp5),
- [temp6]"=&r"(temp6), [temp7]"=&r"(temp7),
- [loop_end]"=&r"(loop_end), [src]"+r"(buf1),
- [dst]"+r"(buf2)
- :
- : "memory"
- );
- }
- } else { // LONG_STOP or ONLY_LONG
- float *buf1 = buf + 512;
- float *buf2 = saved;
- int temp0, temp1, temp2, temp3, temp4, temp5, temp6, temp7;
- int loop_end;
-
- /* loop unrolled 8 times */
- __asm__ volatile (
- ".set push \n\t"
- ".set noreorder \n\t"
- "addiu %[loop_end], %[src], 2048 \n\t"
- "1: \n\t"
- "lw %[temp0], 0(%[src]) \n\t"
- "lw %[temp1], 4(%[src]) \n\t"
- "lw %[temp2], 8(%[src]) \n\t"
- "lw %[temp3], 12(%[src]) \n\t"
- "lw %[temp4], 16(%[src]) \n\t"
- "lw %[temp5], 20(%[src]) \n\t"
- "lw %[temp6], 24(%[src]) \n\t"
- "lw %[temp7], 28(%[src]) \n\t"
- "addiu %[src], %[src], 32 \n\t"
- "sw %[temp0], 0(%[dst]) \n\t"
- "sw %[temp1], 4(%[dst]) \n\t"
- "sw %[temp2], 8(%[dst]) \n\t"
- "sw %[temp3], 12(%[dst]) \n\t"
- "sw %[temp4], 16(%[dst]) \n\t"
- "sw %[temp5], 20(%[dst]) \n\t"
- "sw %[temp6], 24(%[dst]) \n\t"
- "sw %[temp7], 28(%[dst]) \n\t"
- "bne %[src], %[loop_end], 1b \n\t"
- " addiu %[dst], %[dst], 32 \n\t"
- ".set pop \n\t"
-
- : [temp0]"=&r"(temp0), [temp1]"=&r"(temp1),
- [temp2]"=&r"(temp2), [temp3]"=&r"(temp3),
- [temp4]"=&r"(temp4), [temp5]"=&r"(temp5),
- [temp6]"=&r"(temp6), [temp7]"=&r"(temp7),
- [loop_end]"=&r"(loop_end), [src]"+r"(buf1),
- [dst]"+r"(buf2)
- :
- : "memory"
- );
- }
-}
-
-static void apply_ltp_mips(AACContext *ac, SingleChannelElement *sce)
-{
- const LongTermPrediction *ltp = &sce->ics.ltp;
- const uint16_t *offsets = sce->ics.swb_offset;
- int i, sfb;
- int j, k;
-
- if (sce->ics.window_sequence[0] != EIGHT_SHORT_SEQUENCE) {
- float *predTime = sce->ret;
- float *predFreq = ac->buf_mdct;
- float *p_predTime;
- int16_t num_samples = 2048;
-
- if (ltp->lag < 1024)
- num_samples = ltp->lag + 1024;
- j = (2048 - num_samples) >> 2;
- k = (2048 - num_samples) & 3;
- p_predTime = &predTime[num_samples];
-
- for (i = 0; i < num_samples; i++)
- predTime[i] = sce->ltp_state[i + 2048 - ltp->lag] * ltp->coef;
- for (i = 0; i < j; i++) {
-
- /* loop unrolled 4 times */
- __asm__ volatile (
- "sw $0, 0(%[p_predTime]) \n\t"
- "sw $0, 4(%[p_predTime]) \n\t"
- "sw $0, 8(%[p_predTime]) \n\t"
- "sw $0, 12(%[p_predTime]) \n\t"
- "addiu %[p_predTime], %[p_predTime], 16 \n\t"
-
- : [p_predTime]"+r"(p_predTime)
- :
- : "memory"
- );
- }
- for (i = 0; i < k; i++) {
-
- __asm__ volatile (
- "sw $0, 0(%[p_predTime]) \n\t"
- "addiu %[p_predTime], %[p_predTime], 4 \n\t"
-
- : [p_predTime]"+r"(p_predTime)
- :
- : "memory"
- );
- }
-
- ac->windowing_and_mdct_ltp(ac, predFreq, predTime, &sce->ics);
-
- if (sce->tns.present)
- ac->apply_tns(predFreq, &sce->tns, &sce->ics, 0);
-
- for (sfb = 0; sfb < FFMIN(sce->ics.max_sfb, MAX_LTP_LONG_SFB); sfb++)
- if (ltp->used[sfb])
- for (i = offsets[sfb]; i < offsets[sfb + 1]; i++)
- sce->coeffs[i] += predFreq[i];
- }
-}
-
-#if HAVE_MIPSFPU
-static void update_ltp_mips(AACContext *ac, SingleChannelElement *sce)
-{
- IndividualChannelStream *ics = &sce->ics;
- float *saved = sce->saved;
- float *saved_ltp = sce->coeffs;
- const float *lwindow = ics->use_kb_window[0] ? ff_aac_kbd_long_1024 : ff_sine_1024;
- const float *swindow = ics->use_kb_window[0] ? ff_aac_kbd_short_128 : ff_sine_128;
- int i;
- int loop_end, loop_end1, loop_end2;
- float temp0, temp1, temp2, temp3, temp4, temp5, temp6, temp7, temp8, temp9, temp10, temp11;
-
- if (ics->window_sequence[0] == EIGHT_SHORT_SEQUENCE) {
- float *buf = saved;
- float *buf0 = saved_ltp;
- float *p_saved_ltp = saved_ltp + 576;
- float *ptr1 = &saved_ltp[512];
- float *ptr2 = &ac->buf_mdct[1023];
- float *ptr3 = (float*)&swindow[63];
- loop_end1 = (int)(p_saved_ltp + 448);
-
- /* loop unrolled 8 times */
- __asm__ volatile (
- ".set push \n\t"
- ".set noreorder \n\t"
- "addiu %[loop_end], %[src], 2048 \n\t"
- "1: \n\t"
- "lw %[temp0], 0(%[src]) \n\t"
- "lw %[temp1], 4(%[src]) \n\t"
- "lw %[temp2], 8(%[src]) \n\t"
- "lw %[temp3], 12(%[src]) \n\t"
- "lw %[temp4], 16(%[src]) \n\t"
- "lw %[temp5], 20(%[src]) \n\t"
- "lw %[temp6], 24(%[src]) \n\t"
- "lw %[temp7], 28(%[src]) \n\t"
- "addiu %[src], %[src], 32 \n\t"
- "sw %[temp0], 0(%[dst]) \n\t"
- "sw %[temp1], 4(%[dst]) \n\t"
- "sw %[temp2], 8(%[dst]) \n\t"
- "sw %[temp3], 12(%[dst]) \n\t"
- "sw %[temp4], 16(%[dst]) \n\t"
- "sw %[temp5], 20(%[dst]) \n\t"
- "sw %[temp6], 24(%[dst]) \n\t"
- "sw %[temp7], 28(%[dst]) \n\t"
- "bne %[src], %[loop_end], 1b \n\t"
- " addiu %[dst], %[dst], 32 \n\t"
- ".set pop \n\t"
-
- : [temp0]"=&r"(temp0), [temp1]"=&r"(temp1),
- [temp2]"=&r"(temp2), [temp3]"=&r"(temp3),
- [temp4]"=&r"(temp4), [temp5]"=&r"(temp5),
- [temp6]"=&r"(temp6), [temp7]"=&r"(temp7),
- [loop_end]"=&r"(loop_end), [src]"+r"(buf),
- [dst]"+r"(buf0)
- :
- : "memory"
- );
-
- /* loop unrolled 8 times */
- __asm__ volatile (
- "1: \n\t"
- "sw $0, 0(%[p_saved_ltp]) \n\t"
- "sw $0, 4(%[p_saved_ltp]) \n\t"
- "sw $0, 8(%[p_saved_ltp]) \n\t"
- "sw $0, 12(%[p_saved_ltp]) \n\t"
- "sw $0, 16(%[p_saved_ltp]) \n\t"
- "sw $0, 20(%[p_saved_ltp]) \n\t"
- "sw $0, 24(%[p_saved_ltp]) \n\t"
- "sw $0, 28(%[p_saved_ltp]) \n\t"
- "addiu %[p_saved_ltp], %[p_saved_ltp], 32 \n\t"
- "bne %[p_saved_ltp], %[loop_end1], 1b \n\t"
-
- : [p_saved_ltp]"+r"(p_saved_ltp)
- : [loop_end1]"r"(loop_end1)
- : "memory"
- );
-
- ac->fdsp.vector_fmul_reverse(saved_ltp + 448, ac->buf_mdct + 960, &swindow[64], 64);
- for (i = 0; i < 16; i++){
- /* loop unrolled 4 times */
- __asm__ volatile (
- "lwc1 %[temp0], 0(%[ptr2]) \n\t"
- "lwc1 %[temp1], -4(%[ptr2]) \n\t"
- "lwc1 %[temp2], -8(%[ptr2]) \n\t"
- "lwc1 %[temp3], -12(%[ptr2]) \n\t"
- "lwc1 %[temp4], 0(%[ptr3]) \n\t"
- "lwc1 %[temp5], -4(%[ptr3]) \n\t"
- "lwc1 %[temp6], -8(%[ptr3]) \n\t"
- "lwc1 %[temp7], -12(%[ptr3]) \n\t"
- "mul.s %[temp8], %[temp0], %[temp4] \n\t"
- "mul.s %[temp9], %[temp1], %[temp5] \n\t"
- "mul.s %[temp10], %[temp2], %[temp6] \n\t"
- "mul.s %[temp11], %[temp3], %[temp7] \n\t"
- "swc1 %[temp8], 0(%[ptr1]) \n\t"
- "swc1 %[temp9], 4(%[ptr1]) \n\t"
- "swc1 %[temp10], 8(%[ptr1]) \n\t"
- "swc1 %[temp11], 12(%[ptr1]) \n\t"
- "addiu %[ptr1], %[ptr1], 16 \n\t"
- "addiu %[ptr2], %[ptr2], -16 \n\t"
- "addiu %[ptr3], %[ptr3], -16 \n\t"
-
- : [temp0]"=&f"(temp0), [temp1]"=&f"(temp1),
- [temp2]"=&f"(temp2), [temp3]"=&f"(temp3),
- [temp4]"=&f"(temp4), [temp5]"=&f"(temp5),
- [temp6]"=&f"(temp6), [temp7]"=&f"(temp7),
- [temp8]"=&f"(temp8), [temp9]"=&f"(temp9),
- [temp10]"=&f"(temp10), [temp11]"=&f"(temp11),
- [ptr1]"+r"(ptr1), [ptr2]"+r"(ptr2), [ptr3]"+r"(ptr3)
- :
- : "memory"
- );
- }
- } else if (ics->window_sequence[0] == LONG_START_SEQUENCE) {
- float *buff0 = saved;
- float *buff1 = saved_ltp;
- float *ptr1 = &saved_ltp[512];
- float *ptr2 = &ac->buf_mdct[1023];
- float *ptr3 = (float*)&swindow[63];
- loop_end = (int)(saved + 448);
-
- /* loop unrolled 8 times */
- __asm__ volatile (
- ".set push \n\t"
- ".set noreorder \n\t"
- "1: \n\t"
- "lw %[temp0], 0(%[src]) \n\t"
- "lw %[temp1], 4(%[src]) \n\t"
- "lw %[temp2], 8(%[src]) \n\t"
- "lw %[temp3], 12(%[src]) \n\t"
- "lw %[temp4], 16(%[src]) \n\t"
- "lw %[temp5], 20(%[src]) \n\t"
- "lw %[temp6], 24(%[src]) \n\t"
- "lw %[temp7], 28(%[src]) \n\t"
- "addiu %[src], %[src], 32 \n\t"
- "sw %[temp0], 0(%[dst]) \n\t"
- "sw %[temp1], 4(%[dst]) \n\t"
- "sw %[temp2], 8(%[dst]) \n\t"
- "sw %[temp3], 12(%[dst]) \n\t"
- "sw %[temp4], 16(%[dst]) \n\t"
- "sw %[temp5], 20(%[dst]) \n\t"
- "sw %[temp6], 24(%[dst]) \n\t"
- "sw %[temp7], 28(%[dst]) \n\t"
- "sw $0, 2304(%[dst]) \n\t"
- "sw $0, 2308(%[dst]) \n\t"
- "sw $0, 2312(%[dst]) \n\t"
- "sw $0, 2316(%[dst]) \n\t"
- "sw $0, 2320(%[dst]) \n\t"
- "sw $0, 2324(%[dst]) \n\t"
- "sw $0, 2328(%[dst]) \n\t"
- "sw $0, 2332(%[dst]) \n\t"
- "bne %[src], %[loop_end], 1b \n\t"
- " addiu %[dst], %[dst], 32 \n\t"
- ".set pop \n\t"
-
- : [temp0]"=&r"(temp0), [temp1]"=&r"(temp1),
- [temp2]"=&r"(temp2), [temp3]"=&r"(temp3),
- [temp4]"=&r"(temp4), [temp5]"=&r"(temp5),
- [temp6]"=&r"(temp6), [temp7]"=&r"(temp7),
- [src]"+r"(buff0), [dst]"+r"(buff1)
- : [loop_end]"r"(loop_end)
- : "memory"
- );
- ac->fdsp.vector_fmul_reverse(saved_ltp + 448, ac->buf_mdct + 960, &swindow[64], 64);
- for (i = 0; i < 16; i++){
- /* loop unrolled 8 times */
- __asm__ volatile (
- "lwc1 %[temp0], 0(%[ptr2]) \n\t"
- "lwc1 %[temp1], -4(%[ptr2]) \n\t"
- "lwc1 %[temp2], -8(%[ptr2]) \n\t"
- "lwc1 %[temp3], -12(%[ptr2]) \n\t"
- "lwc1 %[temp4], 0(%[ptr3]) \n\t"
- "lwc1 %[temp5], -4(%[ptr3]) \n\t"
- "lwc1 %[temp6], -8(%[ptr3]) \n\t"
- "lwc1 %[temp7], -12(%[ptr3]) \n\t"
- "mul.s %[temp8], %[temp0], %[temp4] \n\t"
- "mul.s %[temp9], %[temp1], %[temp5] \n\t"
- "mul.s %[temp10], %[temp2], %[temp6] \n\t"
- "mul.s %[temp11], %[temp3], %[temp7] \n\t"
- "swc1 %[temp8], 0(%[ptr1]) \n\t"
- "swc1 %[temp9], 4(%[ptr1]) \n\t"
- "swc1 %[temp10], 8(%[ptr1]) \n\t"
- "swc1 %[temp11], 12(%[ptr1]) \n\t"
- "addiu %[ptr1], %[ptr1], 16 \n\t"
- "addiu %[ptr2], %[ptr2], -16 \n\t"
- "addiu %[ptr3], %[ptr3], -16 \n\t"
-
- : [temp0]"=&f"(temp0), [temp1]"=&f"(temp1),
- [temp2]"=&f"(temp2), [temp3]"=&f"(temp3),
- [temp4]"=&f"(temp4), [temp5]"=&f"(temp5),
- [temp6]"=&f"(temp6), [temp7]"=&f"(temp7),
- [temp8]"=&f"(temp8), [temp9]"=&f"(temp9),
- [temp10]"=&f"(temp10), [temp11]"=&f"(temp11),
- [ptr1]"+r"(ptr1), [ptr2]"+r"(ptr2), [ptr3]"+r"(ptr3)
- :
- : "memory"
- );
- }
- } else { // LONG_STOP or ONLY_LONG
- float *ptr1, *ptr2, *ptr3;
- ac->fdsp.vector_fmul_reverse(saved_ltp, ac->buf_mdct + 512, &lwindow[512], 512);
-
- ptr1 = &saved_ltp[512];
- ptr2 = &ac->buf_mdct[1023];
- ptr3 = (float*)&lwindow[511];
-
- for (i = 0; i < 512; i+=4){
- /* loop unrolled 4 times */
- __asm__ volatile (
- "lwc1 %[temp0], 0(%[ptr2]) \n\t"
- "lwc1 %[temp1], -4(%[ptr2]) \n\t"
- "lwc1 %[temp2], -8(%[ptr2]) \n\t"
- "lwc1 %[temp3], -12(%[ptr2]) \n\t"
- "lwc1 %[temp4], 0(%[ptr3]) \n\t"
- "lwc1 %[temp5], -4(%[ptr3]) \n\t"
- "lwc1 %[temp6], -8(%[ptr3]) \n\t"
- "lwc1 %[temp7], -12(%[ptr3]) \n\t"
- "mul.s %[temp8], %[temp0], %[temp4] \n\t"
- "mul.s %[temp9], %[temp1], %[temp5] \n\t"
- "mul.s %[temp10], %[temp2], %[temp6] \n\t"
- "mul.s %[temp11], %[temp3], %[temp7] \n\t"
- "swc1 %[temp8], 0(%[ptr1]) \n\t"
- "swc1 %[temp9], 4(%[ptr1]) \n\t"
- "swc1 %[temp10], 8(%[ptr1]) \n\t"
- "swc1 %[temp11], 12(%[ptr1]) \n\t"
- "addiu %[ptr1], %[ptr1], 16 \n\t"
- "addiu %[ptr2], %[ptr2], -16 \n\t"
- "addiu %[ptr3], %[ptr3], -16 \n\t"
-
- : [temp0]"=&f"(temp0), [temp1]"=&f"(temp1),
- [temp2]"=&f"(temp2), [temp3]"=&f"(temp3),
- [temp4]"=&f"(temp4), [temp5]"=&f"(temp5),
- [temp6]"=&f"(temp6), [temp7]"=&f"(temp7),
- [temp8]"=&f"(temp8), [temp9]"=&f"(temp9),
- [temp10]"=&f"(temp10), [temp11]"=&f"(temp11),
- [ptr1]"+r"(ptr1), [ptr2]"+r"(ptr2),
- [ptr3]"+r"(ptr3)
- :
- : "memory"
- );
- }
- }
-
- {
- float *buf1 = sce->ltp_state+1024;
- float *buf2 = sce->ltp_state;
- float *buf3 = sce->ret;
- float *buf4 = sce->ltp_state+1024;
- float *buf5 = saved_ltp;
- float *buf6 = sce->ltp_state+2048;
-
- /* loops unrolled 8 times */
- __asm__ volatile (
- ".set push \n\t"
- ".set noreorder \n\t"
- "addiu %[loop_end], %[src], 4096 \n\t"
- "addiu %[loop_end1], %[src1], 4096 \n\t"
- "addiu %[loop_end2], %[src2], 4096 \n\t"
- "1: \n\t"
- "lw %[temp0], 0(%[src]) \n\t"
- "lw %[temp1], 4(%[src]) \n\t"
- "lw %[temp2], 8(%[src]) \n\t"
- "lw %[temp3], 12(%[src]) \n\t"
- "lw %[temp4], 16(%[src]) \n\t"
- "lw %[temp5], 20(%[src]) \n\t"
- "lw %[temp6], 24(%[src]) \n\t"
- "lw %[temp7], 28(%[src]) \n\t"
- "addiu %[src], %[src], 32 \n\t"
- "sw %[temp0], 0(%[dst]) \n\t"
- "sw %[temp1], 4(%[dst]) \n\t"
- "sw %[temp2], 8(%[dst]) \n\t"
- "sw %[temp3], 12(%[dst]) \n\t"
- "sw %[temp4], 16(%[dst]) \n\t"
- "sw %[temp5], 20(%[dst]) \n\t"
- "sw %[temp6], 24(%[dst]) \n\t"
- "sw %[temp7], 28(%[dst]) \n\t"
- "bne %[src], %[loop_end], 1b \n\t"
- " addiu %[dst], %[dst], 32 \n\t"
- "2: \n\t"
- "lw %[temp0], 0(%[src1]) \n\t"
- "lw %[temp1], 4(%[src1]) \n\t"
- "lw %[temp2], 8(%[src1]) \n\t"
- "lw %[temp3], 12(%[src1]) \n\t"
- "lw %[temp4], 16(%[src1]) \n\t"
- "lw %[temp5], 20(%[src1]) \n\t"
- "lw %[temp6], 24(%[src1]) \n\t"
- "lw %[temp7], 28(%[src1]) \n\t"
- "addiu %[src1], %[src1], 32 \n\t"
- "sw %[temp0], 0(%[dst1]) \n\t"
- "sw %[temp1], 4(%[dst1]) \n\t"
- "sw %[temp2], 8(%[dst1]) \n\t"
- "sw %[temp3], 12(%[dst1]) \n\t"
- "sw %[temp4], 16(%[dst1]) \n\t"
- "sw %[temp5], 20(%[dst1]) \n\t"
- "sw %[temp6], 24(%[dst1]) \n\t"
- "sw %[temp7], 28(%[dst1]) \n\t"
- "bne %[src1], %[loop_end1], 2b \n\t"
- " addiu %[dst1], %[dst1], 32 \n\t"
- "3: \n\t"
- "lw %[temp0], 0(%[src2]) \n\t"
- "lw %[temp1], 4(%[src2]) \n\t"
- "lw %[temp2], 8(%[src2]) \n\t"
- "lw %[temp3], 12(%[src2]) \n\t"
- "lw %[temp4], 16(%[src2]) \n\t"
- "lw %[temp5], 20(%[src2]) \n\t"
- "lw %[temp6], 24(%[src2]) \n\t"
- "lw %[temp7], 28(%[src2]) \n\t"
- "addiu %[src2], %[src2], 32 \n\t"
- "sw %[temp0], 0(%[dst2]) \n\t"
- "sw %[temp1], 4(%[dst2]) \n\t"
- "sw %[temp2], 8(%[dst2]) \n\t"
- "sw %[temp3], 12(%[dst2]) \n\t"
- "sw %[temp4], 16(%[dst2]) \n\t"
- "sw %[temp5], 20(%[dst2]) \n\t"
- "sw %[temp6], 24(%[dst2]) \n\t"
- "sw %[temp7], 28(%[dst2]) \n\t"
- "bne %[src2], %[loop_end2], 3b \n\t"
- " addiu %[dst2], %[dst2], 32 \n\t"
- ".set pop \n\t"
-
- : [temp0]"=&r"(temp0), [temp1]"=&r"(temp1),
- [temp2]"=&r"(temp2), [temp3]"=&r"(temp3),
- [temp4]"=&r"(temp4), [temp5]"=&r"(temp5),
- [temp6]"=&r"(temp6), [temp7]"=&r"(temp7),
- [loop_end]"=&r"(loop_end), [loop_end1]"=&r"(loop_end1),
- [loop_end2]"=&r"(loop_end2), [src]"+r"(buf1),
- [dst]"+r"(buf2), [src1]"+r"(buf3), [dst1]"+r"(buf4),
- [src2]"+r"(buf5), [dst2]"+r"(buf6)
- :
- : "memory"
- );
- }
-}
-#endif /* HAVE_MIPSFPU */
-#endif /* HAVE_INLINE_ASM */
-
-void ff_aacdec_init_mips(AACContext *c)
-{
-#if HAVE_INLINE_ASM
- c->imdct_and_windowing = imdct_and_windowing_mips;
- c->apply_ltp = apply_ltp_mips;
-#if HAVE_MIPSFPU
- c->update_ltp = update_ltp_mips;
-#endif /* HAVE_MIPSFPU */
-#endif /* HAVE_INLINE_ASM */
-}
generated by cgit v1.2.3 (git 2.39.1) at 2025-12-06 10:12:08 +0000