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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_float.h
parenta2e1bf3495b7bfefdaedb8fc737e969ab06df079 (diff)
making act segmenter
Diffstat (limited to 'ffmpeg1/libavcodec/mips/compute_antialias_float.h')
-rw-r--r--ffmpeg1/libavcodec/mips/compute_antialias_float.h185
1 files changed, 0 insertions, 185 deletions
diff --git a/ffmpeg1/libavcodec/mips/compute_antialias_float.h b/ffmpeg1/libavcodec/mips/compute_antialias_float.h
deleted file mode 100644
index 0f6f03f..0000000
--- a/ffmpeg1/libavcodec/mips/compute_antialias_float.h
+++ /dev/null
@@ -1,185 +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 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/mpegaudiodec.c
- */
-
-#ifndef AVCODEC_MIPS_COMPUTE_ANTIALIAS_FLOAT_H
-#define AVCODEC_MIPS_COMPUTE_ANTIALIAS_FLOAT_H
-
-#if HAVE_INLINE_ASM
-static void compute_antialias_mips_float(MPADecodeContext *s,
- GranuleDef *g)
-{
- float *ptr, *ptr_end;
- float *csa = &csa_table[0][0];
- int n;
- /* temporary variables */
- float in1, in2, in3, in4, in5, in6, in7, in8;
- float out1, out2, out3, out4;
-
- ptr = g->sb_hybrid + 18;
- /* we antialias only "long" bands */
- if (g->block_type == 2) {
- if (!g->switch_point)
- return;
- /* XXX: check this for 8000Hz case */
- n = 1;
- ptr_end = ptr + 18;
- } else {
- n = 31;
- ptr_end = ptr + 558;
- }
-
- /**
- * instructions are scheduled to minimize pipeline stall.
- */
-
- __asm__ volatile (
- "compute_antialias_float_loop%=: \t\n"
- "lwc1 %[in1], -1*4(%[ptr]) \t\n"
- "lwc1 %[in2], 0(%[csa]) \t\n"
- "lwc1 %[in3], 1*4(%[csa]) \t\n"
- "lwc1 %[in4], 0(%[ptr]) \t\n"
- "lwc1 %[in5], -2*4(%[ptr]) \t\n"
- "lwc1 %[in6], 4*4(%[csa]) \t\n"
- "mul.s %[out1], %[in1], %[in2] \t\n"
- "mul.s %[out2], %[in1], %[in3] \t\n"
- "lwc1 %[in7], 5*4(%[csa]) \t\n"
- "lwc1 %[in8], 1*4(%[ptr]) \t\n"
- "nmsub.s %[out1], %[out1], %[in3], %[in4] \t\n"
- "madd.s %[out2], %[out2], %[in2], %[in4] \t\n"
- "mul.s %[out3], %[in5], %[in6] \t\n"
- "mul.s %[out4], %[in5], %[in7] \t\n"
- "lwc1 %[in1], -3*4(%[ptr]) \t\n"
- "swc1 %[out1], -1*4(%[ptr]) \t\n"
- "swc1 %[out2], 0(%[ptr]) \t\n"
- "nmsub.s %[out3], %[out3], %[in7], %[in8] \t\n"
- "madd.s %[out4], %[out4], %[in6], %[in8] \t\n"
- "lwc1 %[in2], 8*4(%[csa]) \t\n"
- "swc1 %[out3], -2*4(%[ptr]) \t\n"
- "swc1 %[out4], 1*4(%[ptr]) \t\n"
- "lwc1 %[in3], 9*4(%[csa]) \t\n"
- "lwc1 %[in4], 2*4(%[ptr]) \t\n"
- "mul.s %[out1], %[in1], %[in2] \t\n"
- "lwc1 %[in5], -4*4(%[ptr]) \t\n"
- "lwc1 %[in6], 12*4(%[csa]) \t\n"
- "mul.s %[out2], %[in1], %[in3] \t\n"
- "lwc1 %[in7], 13*4(%[csa]) \t\n"
- "nmsub.s %[out1], %[out1], %[in3], %[in4] \t\n"
- "lwc1 %[in8], 3*4(%[ptr]) \t\n"
- "mul.s %[out3], %[in5], %[in6] \t\n"
- "madd.s %[out2], %[out2], %[in2], %[in4] \t\n"
- "mul.s %[out4], %[in5], %[in7] \t\n"
- "swc1 %[out1], -3*4(%[ptr]) \t\n"
- "lwc1 %[in1], -5*4(%[ptr]) \t\n"
- "nmsub.s %[out3], %[out3], %[in7], %[in8] \t\n"
- "swc1 %[out2], 2*4(%[ptr]) \t\n"
- "madd.s %[out4], %[out4], %[in6], %[in8] \t\n"
- "lwc1 %[in2], 16*4(%[csa]) \t\n"
- "lwc1 %[in3], 17*4(%[csa]) \t\n"
- "swc1 %[out3], -4*4(%[ptr]) \t\n"
- "lwc1 %[in4], 4*4(%[ptr]) \t\n"
- "swc1 %[out4], 3*4(%[ptr]) \t\n"
- "mul.s %[out1], %[in1], %[in2] \t\n"
- "mul.s %[out2], %[in1], %[in3] \t\n"
- "lwc1 %[in5], -6*4(%[ptr]) \t\n"
- "lwc1 %[in6], 20*4(%[csa]) \t\n"
- "lwc1 %[in7], 21*4(%[csa]) \t\n"
- "nmsub.s %[out1], %[out1], %[in3], %[in4] \t\n"
- "madd.s %[out2], %[out2], %[in2], %[in4] \t\n"
- "lwc1 %[in8], 5*4(%[ptr]) \t\n"
- "mul.s %[out3], %[in5], %[in6] \t\n"
- "mul.s %[out4], %[in5], %[in7] \t\n"
- "swc1 %[out1], -5*4(%[ptr]) \t\n"
- "swc1 %[out2], 4*4(%[ptr]) \t\n"
- "lwc1 %[in1], -7*4(%[ptr]) \t\n"
- "nmsub.s %[out3], %[out3], %[in7], %[in8] \t\n"
- "madd.s %[out4], %[out4], %[in6], %[in8] \t\n"
- "lwc1 %[in2], 24*4(%[csa]) \t\n"
- "lwc1 %[in3], 25*4(%[csa]) \t\n"
- "lwc1 %[in4], 6*4(%[ptr]) \t\n"
- "swc1 %[out3], -6*4(%[ptr]) \t\n"
- "swc1 %[out4], 5*4(%[ptr]) \t\n"
- "mul.s %[out1], %[in1], %[in2] \t\n"
- "lwc1 %[in5], -8*4(%[ptr]) \t\n"
- "mul.s %[out2], %[in1], %[in3] \t\n"
- "lwc1 %[in6], 28*4(%[csa]) \t\n"
- "lwc1 %[in7], 29*4(%[csa]) \t\n"
- "nmsub.s %[out1], %[out1], %[in3], %[in4] \t\n"
- "lwc1 %[in8], 7*4(%[ptr]) \t\n"
- "madd.s %[out2], %[out2], %[in2], %[in4] \t\n"
- "mul.s %[out3], %[in5], %[in6] \t\n"
- "mul.s %[out4], %[in5], %[in7] \t\n"
- "swc1 %[out1], -7*4(%[ptr]) \t\n"
- "swc1 %[out2], 6*4(%[ptr]) \t\n"
- "addiu %[ptr], %[ptr], 72 \t\n"
- "nmsub.s %[out3], %[out3], %[in7], %[in8] \t\n"
- "madd.s %[out4], %[out4], %[in6], %[in8] \t\n"
- "swc1 %[out3], -26*4(%[ptr]) \t\n"
- "swc1 %[out4], -11*4(%[ptr]) \t\n"
- "bne %[ptr], %[ptr_end], compute_antialias_float_loop%= \t\n"
-
- : [ptr] "+r" (ptr),
- [in1] "=&f" (in1), [in2] "=&f" (in2),
- [in3] "=&f" (in3), [in4] "=&f" (in4),
- [in5] "=&f" (in5), [in6] "=&f" (in6),
- [in7] "=&f" (in7), [in8] "=&f" (in8),
- [out1] "=&f" (out1), [out2] "=&f" (out2),
- [out3] "=&f" (out3), [out4] "=&f" (out4)
- : [csa] "r" (csa), [ptr_end] "r" (ptr_end)
- : "memory"
- );
-}
-#define compute_antialias compute_antialias_mips_float
-#endif /* HAVE_INLINE_ASM */
-
-#endif /* AVCODEC_MIPS_COMPUTE_ANTIALIAS_FLOAT_H */
generated by cgit v1.2.3 (git 2.39.1) at 2025-12-06 18:02:32 +0000