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Diffstat (limited to 'thirdparty/opus/celt/mips/celt_mipsr1.h')
| -rw-r--r-- | thirdparty/opus/celt/mips/celt_mipsr1.h | 151 |
1 files changed, 0 insertions, 151 deletions
diff --git a/thirdparty/opus/celt/mips/celt_mipsr1.h b/thirdparty/opus/celt/mips/celt_mipsr1.h deleted file mode 100644 index e85661a661..0000000000 --- a/thirdparty/opus/celt/mips/celt_mipsr1.h +++ /dev/null @@ -1,151 +0,0 @@ -/* Copyright (c) 2007-2008 CSIRO - Copyright (c) 2007-2010 Xiph.Org Foundation - Copyright (c) 2008 Gregory Maxwell - Written by Jean-Marc Valin and Gregory Maxwell */ -/* - Redistribution and use in source and binary forms, with or without - modification, are permitted provided that the following conditions - are met: - - - Redistributions of source code must retain the above copyright - notice, this list of conditions and the following disclaimer. - - - 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. - - THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - ``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 COPYRIGHT OWNER - OR CONTRIBUTORS 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. -*/ - -#ifndef __CELT_MIPSR1_H__ -#define __CELT_MIPSR1_H__ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#define CELT_C - -#include "os_support.h" -#include "mdct.h" -#include <math.h> -#include "celt.h" -#include "pitch.h" -#include "bands.h" -#include "modes.h" -#include "entcode.h" -#include "quant_bands.h" -#include "rate.h" -#include "stack_alloc.h" -#include "mathops.h" -#include "float_cast.h" -#include <stdarg.h> -#include "celt_lpc.h" -#include "vq.h" - -#define OVERRIDE_comb_filter -void comb_filter(opus_val32 *y, opus_val32 *x, int T0, int T1, int N, - opus_val16 g0, opus_val16 g1, int tapset0, int tapset1, - const opus_val16 *window, int overlap, int arch) -{ - int i; - opus_val32 x0, x1, x2, x3, x4; - - (void)arch; - - /* printf ("%d %d %f %f\n", T0, T1, g0, g1); */ - opus_val16 g00, g01, g02, g10, g11, g12; - static const opus_val16 gains[3][3] = { - {QCONST16(0.3066406250f, 15), QCONST16(0.2170410156f, 15), QCONST16(0.1296386719f, 15)}, - {QCONST16(0.4638671875f, 15), QCONST16(0.2680664062f, 15), QCONST16(0.f, 15)}, - {QCONST16(0.7998046875f, 15), QCONST16(0.1000976562f, 15), QCONST16(0.f, 15)}}; - - if (g0==0 && g1==0) - { - /* OPT: Happens to work without the OPUS_MOVE(), but only because the current encoder already copies x to y */ - if (x!=y) - OPUS_MOVE(y, x, N); - return; - } - - g00 = MULT16_16_P15(g0, gains[tapset0][0]); - g01 = MULT16_16_P15(g0, gains[tapset0][1]); - g02 = MULT16_16_P15(g0, gains[tapset0][2]); - g10 = MULT16_16_P15(g1, gains[tapset1][0]); - g11 = MULT16_16_P15(g1, gains[tapset1][1]); - g12 = MULT16_16_P15(g1, gains[tapset1][2]); - x1 = x[-T1+1]; - x2 = x[-T1 ]; - x3 = x[-T1-1]; - x4 = x[-T1-2]; - /* If the filter didn't change, we don't need the overlap */ - if (g0==g1 && T0==T1 && tapset0==tapset1) - overlap=0; - - for (i=0;i<overlap;i++) - { - opus_val16 f; - opus_val32 res; - f = MULT16_16_Q15(window[i],window[i]); - x0= x[i-T1+2]; - - asm volatile("MULT $ac1, %0, %1" : : "r" ((int)MULT16_16_Q15((Q15ONE-f),g00)), "r" ((int)x[i-T0])); - - asm volatile("MADD $ac1, %0, %1" : : "r" ((int)MULT16_16_Q15((Q15ONE-f),g01)), "r" ((int)ADD32(x[i-T0-1],x[i-T0+1]))); - asm volatile("MADD $ac1, %0, %1" : : "r" ((int)MULT16_16_Q15((Q15ONE-f),g02)), "r" ((int)ADD32(x[i-T0-2],x[i-T0+2]))); - asm volatile("MADD $ac1, %0, %1" : : "r" ((int)MULT16_16_Q15(f,g10)), "r" ((int)x2)); - asm volatile("MADD $ac1, %0, %1" : : "r" ((int)MULT16_16_Q15(f,g11)), "r" ((int)ADD32(x3,x1))); - asm volatile("MADD $ac1, %0, %1" : : "r" ((int)MULT16_16_Q15(f,g12)), "r" ((int)ADD32(x4,x0))); - - asm volatile("EXTR.W %0,$ac1, %1" : "=r" (res): "i" (15)); - - y[i] = x[i] + res; - - x4=x3; - x3=x2; - x2=x1; - x1=x0; - } - - x4 = x[i-T1-2]; - x3 = x[i-T1-1]; - x2 = x[i-T1]; - x1 = x[i-T1+1]; - - if (g1==0) - { - /* OPT: Happens to work without the OPUS_MOVE(), but only because the current encoder already copies x to y */ - if (x!=y) - OPUS_MOVE(y+overlap, x+overlap, N-overlap); - return; - } - - for (i=overlap;i<N;i++) - { - opus_val32 res; - x0=x[i-T1+2]; - - asm volatile("MULT $ac1, %0, %1" : : "r" ((int)g10), "r" ((int)x2)); - - asm volatile("MADD $ac1, %0, %1" : : "r" ((int)g11), "r" ((int)ADD32(x3,x1))); - asm volatile("MADD $ac1, %0, %1" : : "r" ((int)g12), "r" ((int)ADD32(x4,x0))); - asm volatile("EXTR.W %0,$ac1, %1" : "=r" (res): "i" (15)); - y[i] = x[i] + res; - x4=x3; - x3=x2; - x2=x1; - x1=x0; - } -} - -#endif /* __CELT_MIPSR1_H__ */ |