d9a291f641
Took the opportunity to undo the Godot changed made to the opus source. The opus module should eventually be built in its own environment to avoid polluting others with too many include dirs and defines. TODO: Fix the platform/ stuff for opus.
305 lines
7.4 KiB
C
305 lines
7.4 KiB
C
/* Copyright (c) 2008-2011 Xiph.Org Foundation, Mozilla Corporation,
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Gregory Maxwell
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Written by Jean-Marc Valin, Gregory Maxwell, and Timothy B. Terriberry */
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/*
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions
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are met:
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- Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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- Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
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OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#ifndef CUSTOM_MODES
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#define CUSTOM_MODES
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#endif
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#define CELT_C
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#include <stdio.h>
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#include <math.h>
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#include "mathops.c"
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#include "entenc.c"
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#include "entdec.c"
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#include "entcode.c"
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#include "bands.c"
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#include "quant_bands.c"
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#include "laplace.c"
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#include "vq.c"
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#include "cwrs.c"
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#include "pitch.c"
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#include "celt_lpc.c"
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#include "celt.c"
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#if defined(OPUS_X86_MAY_HAVE_SSE) || defined(OPUS_X86_MAY_HAVE_SSE2) || defined(OPUS_X86_MAY_HAVE_SSE4_1)
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# if defined(OPUS_X86_MAY_HAVE_SSE)
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# include "x86/pitch_sse.c"
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# endif
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# if defined(OPUS_X86_MAY_HAVE_SSE2)
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# include "x86/pitch_sse2.c"
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# endif
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# if defined(OPUS_X86_MAY_HAVE_SSE4_1)
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# include "x86/pitch_sse4_1.c"
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# include "x86/celt_lpc_sse.c"
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# endif
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# include "x86/x86_celt_map.c"
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#elif defined(OPUS_ARM_ASM) || defined(OPUS_ARM_MAY_HAVE_NEON_INTR)
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# include "arm/armcpu.c"
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# if defined(OPUS_ARM_MAY_HAVE_NEON_INTR)
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# include "arm/celt_neon_intr.c"
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# if defined(HAVE_ARM_NE10)
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# include "kiss_fft.c"
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# include "mdct.c"
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# include "arm/celt_ne10_fft.c"
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# include "arm/celt_ne10_mdct.c"
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# endif
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# endif
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# include "arm/arm_celt_map.c"
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#endif
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#ifdef FIXED_POINT
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#define WORD "%d"
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#else
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#define WORD "%f"
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#endif
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int ret = 0;
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void testdiv(void)
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{
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opus_int32 i;
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for (i=1;i<=327670;i++)
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{
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double prod;
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opus_val32 val;
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val = celt_rcp(i);
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#ifdef FIXED_POINT
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prod = (1./32768./65526.)*val*i;
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#else
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prod = val*i;
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#endif
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if (fabs(prod-1) > .00025)
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{
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fprintf (stderr, "div failed: 1/%d="WORD" (product = %f)\n", i, val, prod);
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ret = 1;
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}
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}
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}
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void testsqrt(void)
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{
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opus_int32 i;
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for (i=1;i<=1000000000;i++)
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{
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double ratio;
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opus_val16 val;
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val = celt_sqrt(i);
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ratio = val/sqrt(i);
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if (fabs(ratio - 1) > .0005 && fabs(val-sqrt(i)) > 2)
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{
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fprintf (stderr, "sqrt failed: sqrt(%d)="WORD" (ratio = %f)\n", i, val, ratio);
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ret = 1;
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}
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i+= i>>10;
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}
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}
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void testbitexactcos(void)
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{
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int i;
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opus_int32 min_d,max_d,last,chk;
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chk=max_d=0;
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last=min_d=32767;
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for(i=64;i<=16320;i++)
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{
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opus_int32 d;
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opus_int32 q=bitexact_cos(i);
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chk ^= q*i;
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d = last - q;
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if (d>max_d)max_d=d;
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if (d<min_d)min_d=d;
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last = q;
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}
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if ((chk!=89408644)||(max_d!=5)||(min_d!=0)||(bitexact_cos(64)!=32767)||
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(bitexact_cos(16320)!=200)||(bitexact_cos(8192)!=23171))
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{
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fprintf (stderr, "bitexact_cos failed\n");
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ret = 1;
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}
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}
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void testbitexactlog2tan(void)
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{
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int i,fail;
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opus_int32 min_d,max_d,last,chk;
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fail=chk=max_d=0;
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last=min_d=15059;
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for(i=64;i<8193;i++)
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{
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opus_int32 d;
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opus_int32 mid=bitexact_cos(i);
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opus_int32 side=bitexact_cos(16384-i);
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opus_int32 q=bitexact_log2tan(mid,side);
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chk ^= q*i;
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d = last - q;
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if (q!=-1*bitexact_log2tan(side,mid))
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fail = 1;
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if (d>max_d)max_d=d;
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if (d<min_d)min_d=d;
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last = q;
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}
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if ((chk!=15821257)||(max_d!=61)||(min_d!=-2)||fail||
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(bitexact_log2tan(32767,200)!=15059)||(bitexact_log2tan(30274,12540)!=2611)||
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(bitexact_log2tan(23171,23171)!=0))
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{
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fprintf (stderr, "bitexact_log2tan failed\n");
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ret = 1;
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}
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}
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#ifndef FIXED_POINT
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void testlog2(void)
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{
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float x;
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for (x=0.001;x<1677700.0;x+=(x/8.0))
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{
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float error = fabs((1.442695040888963387*log(x))-celt_log2(x));
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if (error>0.0009)
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{
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fprintf (stderr, "celt_log2 failed: fabs((1.442695040888963387*log(x))-celt_log2(x))>0.001 (x = %f, error = %f)\n", x,error);
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ret = 1;
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}
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}
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}
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void testexp2(void)
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{
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float x;
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for (x=-11.0;x<24.0;x+=0.0007)
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{
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float error = fabs(x-(1.442695040888963387*log(celt_exp2(x))));
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if (error>0.0002)
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{
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fprintf (stderr, "celt_exp2 failed: fabs(x-(1.442695040888963387*log(celt_exp2(x))))>0.0005 (x = %f, error = %f)\n", x,error);
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ret = 1;
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}
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}
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}
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void testexp2log2(void)
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{
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float x;
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for (x=-11.0;x<24.0;x+=0.0007)
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{
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float error = fabs(x-(celt_log2(celt_exp2(x))));
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if (error>0.001)
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{
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fprintf (stderr, "celt_log2/celt_exp2 failed: fabs(x-(celt_log2(celt_exp2(x))))>0.001 (x = %f, error = %f)\n", x,error);
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ret = 1;
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}
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}
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}
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#else
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void testlog2(void)
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{
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opus_val32 x;
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for (x=8;x<1073741824;x+=(x>>3))
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{
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float error = fabs((1.442695040888963387*log(x/16384.0))-celt_log2(x)/1024.0);
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if (error>0.003)
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{
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fprintf (stderr, "celt_log2 failed: x = %ld, error = %f\n", (long)x,error);
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ret = 1;
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}
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}
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}
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void testexp2(void)
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{
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opus_val16 x;
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for (x=-32768;x<15360;x++)
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{
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float error1 = fabs(x/1024.0-(1.442695040888963387*log(celt_exp2(x)/65536.0)));
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float error2 = fabs(exp(0.6931471805599453094*x/1024.0)-celt_exp2(x)/65536.0);
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if (error1>0.0002&&error2>0.00004)
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{
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fprintf (stderr, "celt_exp2 failed: x = "WORD", error1 = %f, error2 = %f\n", x,error1,error2);
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ret = 1;
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}
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}
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}
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void testexp2log2(void)
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{
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opus_val32 x;
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for (x=8;x<65536;x+=(x>>3))
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{
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float error = fabs(x-0.25*celt_exp2(celt_log2(x)))/16384;
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if (error>0.004)
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{
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fprintf (stderr, "celt_log2/celt_exp2 failed: fabs(x-(celt_exp2(celt_log2(x))))>0.001 (x = %ld, error = %f)\n", (long)x,error);
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ret = 1;
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}
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}
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}
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void testilog2(void)
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{
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opus_val32 x;
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for (x=1;x<=268435455;x+=127)
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{
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opus_val32 lg;
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opus_val32 y;
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lg = celt_ilog2(x);
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if (lg<0 || lg>=31)
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{
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printf("celt_ilog2 failed: 0<=celt_ilog2(x)<31 (x = %d, celt_ilog2(x) = %d)\n",x,lg);
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ret = 1;
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}
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y = 1<<lg;
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if (x<y || (x>>1)>=y)
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{
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printf("celt_ilog2 failed: 2**celt_ilog2(x)<=x<2**(celt_ilog2(x)+1) (x = %d, 2**celt_ilog2(x) = %d)\n",x,y);
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ret = 1;
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}
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}
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}
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#endif
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int main(void)
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{
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testbitexactcos();
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testbitexactlog2tan();
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testdiv();
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testsqrt();
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testlog2();
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testexp2();
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testexp2log2();
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#ifdef FIXED_POINT
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testilog2();
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#endif
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return ret;
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}
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