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authorTim Redfern <tim@eclectronics.org>2013-09-05 17:55:35 +0100
committerTim Redfern <tim@eclectronics.org>2013-09-05 17:55:35 +0100
commit741fb4b9e135cfb161a749db88713229038577bb (patch)
tree08bc9925659cbcac45162bacf31dc6336d4f60b4 /ffmpeg1/libavcodec/mips/compute_antialias_fixed.h
parenta2e1bf3495b7bfefdaedb8fc737e969ab06df079 (diff)
making act segmenter
Diffstat (limited to 'ffmpeg1/libavcodec/mips/compute_antialias_fixed.h')
-rw-r--r--ffmpeg1/libavcodec/mips/compute_antialias_fixed.h250
1 files changed, 0 insertions, 250 deletions
diff --git a/ffmpeg1/libavcodec/mips/compute_antialias_fixed.h b/ffmpeg1/libavcodec/mips/compute_antialias_fixed.h
deleted file mode 100644
index a967f67..0000000
--- a/ffmpeg1/libavcodec/mips/compute_antialias_fixed.h
+++ /dev/null
@@ -1,250 +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.
- *
- * Author: Bojan Zivkovic (bojan@mips.com)
- *
- * Compute antialias function optimised for MIPS fixed-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/mpegaudiodec.c
- */
-
-#ifndef AVCODEC_MIPS_COMPUTE_ANTIALIAS_FIXED_H
-#define AVCODEC_MIPS_COMPUTE_ANTIALIAS_FIXED_H
-
-#if HAVE_INLINE_ASM
-static void compute_antialias_mips_fixed(MPADecodeContext *s,
- GranuleDef *g)
-{
- int32_t *ptr, *csa;
- int n, i;
- int MAX_lo = 0xffffffff;
-
- /* we antialias only "long" bands */
- if (g->block_type == 2) {
- if (!g->switch_point)
- return;
- /* XXX: check this for 8000Hz case */
- n = 1;
- } else {
- n = SBLIMIT - 1;
- }
-
-
- ptr = g->sb_hybrid + 18;
-
- for(i = n;i > 0;i--) {
- int tmp0, tmp1, tmp2, tmp00, tmp11;
- int temp_reg1, temp_reg2, temp_reg3, temp_reg4, temp_reg5, temp_reg6;
- csa = &csa_table[0][0];
-
- /**
- * instructions are scheduled to minimize pipeline stall.
- */
- __asm__ volatile (
- "lw %[tmp0], -1*4(%[ptr]) \n\t"
- "lw %[tmp1], 0*4(%[ptr]) \n\t"
- "lw %[temp_reg1], 0*4(%[csa]) \n\t"
- "lw %[temp_reg2], 2*4(%[csa]) \n\t"
- "add %[tmp2], %[tmp0], %[tmp1] \n\t"
- "lw %[temp_reg3], 3*4(%[csa]) \n\t"
- "mult $ac0, %[tmp2], %[temp_reg1] \n\t"
- "mult $ac1, %[tmp2], %[temp_reg1] \n\t"
- "lw %[tmp00], -2*4(%[ptr]) \n\t"
- "lw %[tmp11], 1*4(%[ptr]) \n\t"
- "lw %[temp_reg4], 4*4(%[csa]) \n\t"
- "mtlo %[MAX_lo], $ac0 \n\t"
- "mtlo $zero, $ac1 \n\t"
- "msub $ac0, %[tmp1], %[temp_reg2] \n\t"
- "madd $ac1, %[tmp0], %[temp_reg3] \n\t"
- "add %[tmp2], %[tmp00], %[tmp11] \n\t"
- "lw %[temp_reg5], 6*4(%[csa]) \n\t"
- "mult $ac2, %[tmp2], %[temp_reg4] \n\t"
- "mult $ac3, %[tmp2], %[temp_reg4] \n\t"
- "mfhi %[temp_reg1], $ac0 \n\t"
- "mfhi %[temp_reg2], $ac1 \n\t"
- "lw %[temp_reg6], 7*4(%[csa]) \n\t"
- "mtlo %[MAX_lo], $ac2 \n\t"
- "msub $ac2, %[tmp11], %[temp_reg5] \n\t"
- "mtlo $zero, $ac3 \n\t"
- "madd $ac3, %[tmp00], %[temp_reg6] \n\t"
- "sll %[temp_reg1], %[temp_reg1], 2 \n\t"
- "sw %[temp_reg1], -1*4(%[ptr]) \n\t"
- "mfhi %[temp_reg4], $ac2 \n\t"
- "sll %[temp_reg2], %[temp_reg2], 2 \n\t"
- "mfhi %[temp_reg5], $ac3 \n\t"
- "sw %[temp_reg2], 0*4(%[ptr]) \n\t"
- "lw %[tmp0], -3*4(%[ptr]) \n\t"
- "lw %[tmp1], 2*4(%[ptr]) \n\t"
- "lw %[temp_reg1], 8*4(%[csa]) \n\t"
- "sll %[temp_reg4], %[temp_reg4], 2 \n\t"
- "add %[tmp2], %[tmp0], %[tmp1] \n\t"
- "sll %[temp_reg5], %[temp_reg5], 2 \n\t"
- "mult $ac0, %[tmp2], %[temp_reg1] \n\t"
- "mult $ac1, %[tmp2], %[temp_reg1] \n\t"
- "sw %[temp_reg4], -2*4(%[ptr]) \n\t"
- "sw %[temp_reg5], 1*4(%[ptr]) \n\t"
- "lw %[temp_reg2], 10*4(%[csa]) \n\t"
- "mtlo %[MAX_lo], $ac0 \n\t"
- "lw %[temp_reg3], 11*4(%[csa]) \n\t"
- "msub $ac0, %[tmp1], %[temp_reg2] \n\t"
- "mtlo $zero, $ac1 \n\t"
- "madd $ac1, %[tmp0], %[temp_reg3] \n\t"
- "lw %[tmp00], -4*4(%[ptr]) \n\t"
- "lw %[tmp11], 3*4(%[ptr]) \n\t"
- "mfhi %[temp_reg1], $ac0 \n\t"
- "lw %[temp_reg4], 12*4(%[csa]) \n\t"
- "mfhi %[temp_reg2], $ac1 \n\t"
- "add %[tmp2], %[tmp00], %[tmp11] \n\t"
- "mult $ac2, %[tmp2], %[temp_reg4] \n\t"
- "mult $ac3, %[tmp2], %[temp_reg4] \n\t"
- "lw %[temp_reg5], 14*4(%[csa]) \n\t"
- "lw %[temp_reg6], 15*4(%[csa]) \n\t"
- "sll %[temp_reg1], %[temp_reg1], 2 \n\t"
- "mtlo %[MAX_lo], $ac2 \n\t"
- "msub $ac2, %[tmp11], %[temp_reg5] \n\t"
- "mtlo $zero, $ac3 \n\t"
- "madd $ac3, %[tmp00], %[temp_reg6] \n\t"
- "sll %[temp_reg2], %[temp_reg2], 2 \n\t"
- "sw %[temp_reg1], -3*4(%[ptr]) \n\t"
- "mfhi %[temp_reg4], $ac2 \n\t"
- "sw %[temp_reg2], 2*4(%[ptr]) \n\t"
- "mfhi %[temp_reg5], $ac3 \n\t"
- "lw %[tmp0], -5*4(%[ptr]) \n\t"
- "lw %[tmp1], 4*4(%[ptr]) \n\t"
- "lw %[temp_reg1], 16*4(%[csa]) \n\t"
- "lw %[temp_reg2], 18*4(%[csa]) \n\t"
- "add %[tmp2], %[tmp0], %[tmp1] \n\t"
- "lw %[temp_reg3], 19*4(%[csa]) \n\t"
- "mult $ac0, %[tmp2], %[temp_reg1] \n\t"
- "mult $ac1, %[tmp2], %[temp_reg1] \n\t"
- "sll %[temp_reg4], %[temp_reg4], 2 \n\t"
- "sll %[temp_reg5], %[temp_reg5], 2 \n\t"
- "sw %[temp_reg4], -4*4(%[ptr]) \n\t"
- "mtlo %[MAX_lo], $ac0 \n\t"
- "msub $ac0, %[tmp1], %[temp_reg2] \n\t"
- "mtlo $zero, $ac1 \n\t"
- "madd $ac1, %[tmp0], %[temp_reg3] \n\t"
- "sw %[temp_reg5], 3*4(%[ptr]) \n\t"
- "lw %[tmp00], -6*4(%[ptr]) \n\t"
- "mfhi %[temp_reg1], $ac0 \n\t"
- "lw %[tmp11], 5*4(%[ptr]) \n\t"
- "mfhi %[temp_reg2], $ac1 \n\t"
- "lw %[temp_reg4], 20*4(%[csa]) \n\t"
- "add %[tmp2], %[tmp00], %[tmp11] \n\t"
- "lw %[temp_reg5], 22*4(%[csa]) \n\t"
- "mult $ac2, %[tmp2], %[temp_reg4] \n\t"
- "mult $ac3, %[tmp2], %[temp_reg4] \n\t"
- "lw %[temp_reg6], 23*4(%[csa]) \n\t"
- "sll %[temp_reg1], %[temp_reg1], 2 \n\t"
- "sll %[temp_reg2], %[temp_reg2], 2 \n\t"
- "mtlo %[MAX_lo], $ac2 \n\t"
- "msub $ac2, %[tmp11], %[temp_reg5] \n\t"
- "mtlo $zero, $ac3 \n\t"
- "madd $ac3, %[tmp00], %[temp_reg6] \n\t"
- "sw %[temp_reg1], -5*4(%[ptr]) \n\t"
- "sw %[temp_reg2], 4*4(%[ptr]) \n\t"
- "mfhi %[temp_reg4], $ac2 \n\t"
- "lw %[tmp0], -7*4(%[ptr]) \n\t"
- "mfhi %[temp_reg5], $ac3 \n\t"
- "lw %[tmp1], 6*4(%[ptr]) \n\t"
- "lw %[temp_reg1], 24*4(%[csa]) \n\t"
- "lw %[temp_reg2], 26*4(%[csa]) \n\t"
- "add %[tmp2], %[tmp0], %[tmp1] \n\t"
- "lw %[temp_reg3], 27*4(%[csa]) \n\t"
- "mult $ac0, %[tmp2], %[temp_reg1] \n\t"
- "mult $ac1, %[tmp2], %[temp_reg1] \n\t"
- "sll %[temp_reg4], %[temp_reg4], 2 \n\t"
- "sll %[temp_reg5], %[temp_reg5], 2 \n\t"
- "sw %[temp_reg4], -6*4(%[ptr]) \n\t"
- "mtlo %[MAX_lo], $ac0 \n\t"
- "msub $ac0, %[tmp1], %[temp_reg2] \n\t"
- "mtlo $zero, $ac1 \n\t"
- "madd $ac1, %[tmp0], %[temp_reg3] \n\t"
- "sw %[temp_reg5], 5*4(%[ptr]) \n\t"
- "lw %[tmp00], -8*4(%[ptr]) \n\t"
- "mfhi %[temp_reg1], $ac0 \n\t"
- "lw %[tmp11], 7*4(%[ptr]) \n\t"
- "mfhi %[temp_reg2], $ac1 \n\t"
- "lw %[temp_reg4], 28*4(%[csa]) \n\t"
- "add %[tmp2], %[tmp00], %[tmp11] \n\t"
- "lw %[temp_reg5], 30*4(%[csa]) \n\t"
- "mult $ac2, %[tmp2], %[temp_reg4] \n\t"
- "mult $ac3, %[tmp2], %[temp_reg4] \n\t"
- "lw %[temp_reg6], 31*4(%[csa]) \n\t"
- "sll %[temp_reg1], %[temp_reg1], 2 \n\t"
- "sll %[temp_reg2], %[temp_reg2], 2 \n\t"
- "mtlo %[MAX_lo], $ac2 \n\t"
- "msub $ac2, %[tmp11], %[temp_reg5] \n\t"
- "mtlo $zero, $ac3 \n\t"
- "madd $ac3, %[tmp00], %[temp_reg6] \n\t"
- "sw %[temp_reg1], -7*4(%[ptr]) \n\t"
- "sw %[temp_reg2], 6*4(%[ptr]) \n\t"
- "mfhi %[temp_reg4], $ac2 \n\t"
- "mfhi %[temp_reg5], $ac3 \n\t"
- "sll %[temp_reg4], %[temp_reg4], 2 \n\t"
- "sll %[temp_reg5], %[temp_reg5], 2 \n\t"
- "sw %[temp_reg4], -8*4(%[ptr]) \n\t"
- "sw %[temp_reg5], 7*4(%[ptr]) \n\t"
-
- : [tmp0] "=&r" (tmp0), [tmp1] "=&r" (tmp1), [tmp2] "=&r" (tmp2),
- [tmp00] "=&r" (tmp00), [tmp11] "=&r" (tmp11),
- [temp_reg1] "=&r" (temp_reg1), [temp_reg2] "=&r" (temp_reg2),
- [temp_reg3] "=&r" (temp_reg3), [temp_reg4] "=&r" (temp_reg4),
- [temp_reg5] "=&r" (temp_reg5), [temp_reg6] "=&r" (temp_reg6)
- : [csa] "r" (csa), [ptr] "r" (ptr),
- [MAX_lo] "r" (MAX_lo)
- : "memory", "hi", "lo", "$ac1hi", "$ac1lo", "$ac2hi", "$ac2lo",
- "$ac3hi", "$ac3lo"
- );
-
- ptr += 18;
- }
-}
-#define compute_antialias compute_antialias_mips_fixed
-#endif /* HAVE_INLINE_ASM */
-
-#endif /* AVCODEC_MIPS_COMPUTE_ANTIALIAS_FIXED_H */
generated by cgit v1.2.3 (git 2.39.1) at 2025-12-06 19:12:10 +0000