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Diffstat (limited to 'thirdparty/opus/celt/mips/vq_mipsr1.h')
-rw-r--r-- | thirdparty/opus/celt/mips/vq_mipsr1.h | 125 |
1 files changed, 0 insertions, 125 deletions
diff --git a/thirdparty/opus/celt/mips/vq_mipsr1.h b/thirdparty/opus/celt/mips/vq_mipsr1.h deleted file mode 100644 index 54cef86133..0000000000 --- a/thirdparty/opus/celt/mips/vq_mipsr1.h +++ /dev/null @@ -1,125 +0,0 @@ -/* Copyright (c) 2007-2008 CSIRO - Copyright (c) 2007-2009 Xiph.Org Foundation - Written by Jean-Marc Valin */ -/* - 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 __VQ_MIPSR1_H__ -#define __VQ_MIPSR1_H__ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include "mathops.h" -#include "arch.h" - -static unsigned extract_collapse_mask(int *iy, int N, int B); -static void normalise_residual(int * OPUS_RESTRICT iy, celt_norm * OPUS_RESTRICT X, int N, opus_val32 Ryy, opus_val16 gain); -static void exp_rotation(celt_norm *X, int len, int dir, int stride, int K, int spread); -static void renormalise_vector_mips(celt_norm *X, int N, opus_val16 gain, int arch); - -#define OVERRIDE_vq_exp_rotation1 -static void exp_rotation1(celt_norm *X, int len, int stride, opus_val16 c, opus_val16 s) -{ - int i; - opus_val16 ms; - celt_norm *Xptr; - Xptr = X; - ms = NEG16(s); - for (i=0;i<len-stride;i++) - { - celt_norm x1, x2; - x1 = Xptr[0]; - x2 = Xptr[stride]; - Xptr[stride] = EXTRACT16(PSHR32(MAC16_16(MULT16_16(c, x2), s, x1), 15)); - *Xptr++ = EXTRACT16(PSHR32(MAC16_16(MULT16_16(c, x1), ms, x2), 15)); - } - Xptr = &X[len-2*stride-1]; - for (i=len-2*stride-1;i>=0;i--) - { - celt_norm x1, x2; - x1 = Xptr[0]; - x2 = Xptr[stride]; - Xptr[stride] = EXTRACT16(PSHR32(MAC16_16(MULT16_16(c, x2), s, x1), 15)); - *Xptr-- = EXTRACT16(PSHR32(MAC16_16(MULT16_16(c, x1), ms, x2), 15)); - } -} - -#define OVERRIDE_renormalise_vector - -#define renormalise_vector(X, N, gain, arch) \ - (renormalise_vector_mips(X, N, gain, arch)) - -void renormalise_vector_mips(celt_norm *X, int N, opus_val16 gain, int arch) -{ - int i; -#ifdef FIXED_POINT - int k; -#endif - opus_val32 E = EPSILON; - opus_val16 g; - opus_val32 t; - celt_norm *xptr = X; - int X0, X1; - - (void)arch; - - asm volatile("mult $ac1, $0, $0"); - asm volatile("MTLO %0, $ac1" : :"r" (E)); - /*if(N %4) - printf("error");*/ - for (i=0;i<N-2;i+=2) - { - X0 = (int)*xptr++; - asm volatile("MADD $ac1, %0, %1" : : "r" (X0), "r" (X0)); - - X1 = (int)*xptr++; - asm volatile("MADD $ac1, %0, %1" : : "r" (X1), "r" (X1)); - } - - for (;i<N;i++) - { - X0 = (int)*xptr++; - asm volatile("MADD $ac1, %0, %1" : : "r" (X0), "r" (X0)); - } - - asm volatile("MFLO %0, $ac1" : "=r" (E)); -#ifdef FIXED_POINT - k = celt_ilog2(E)>>1; -#endif - t = VSHR32(E, 2*(k-7)); - g = MULT16_16_P15(celt_rsqrt_norm(t),gain); - - xptr = X; - for (i=0;i<N;i++) - { - *xptr = EXTRACT16(PSHR32(MULT16_16(g, *xptr), k+1)); - xptr++; - } - /*return celt_sqrt(E);*/ -} - -#endif /* __VQ_MIPSR1_H__ */ |