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Diffstat (limited to 'src/opus-1.1/celt/pitch.h')
| -rw-r--r-- | src/opus-1.1/celt/pitch.h | 173 |
1 files changed, 0 insertions, 173 deletions
diff --git a/src/opus-1.1/celt/pitch.h b/src/opus-1.1/celt/pitch.h deleted file mode 100644 index df317ecc..00000000 --- a/src/opus-1.1/celt/pitch.h +++ /dev/null @@ -1,173 +0,0 @@ -/* Copyright (c) 2007-2008 CSIRO - Copyright (c) 2007-2009 Xiph.Org Foundation - Written by Jean-Marc Valin */ -/** - @file pitch.h - @brief Pitch analysis - */ - -/* - 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 PITCH_H -#define PITCH_H - -#include "modes.h" -#include "cpu_support.h" - -#if defined(__SSE__) && !defined(FIXED_POINT) -#include "x86/pitch_sse.h" -#endif - -#if defined(OPUS_ARM_ASM) && defined(FIXED_POINT) -# include "arm/pitch_arm.h" -#endif - -void pitch_downsample(celt_sig * OPUS_RESTRICT x[], opus_val16 * OPUS_RESTRICT x_lp, - int len, int C, int arch); - -void pitch_search(const opus_val16 * OPUS_RESTRICT x_lp, opus_val16 * OPUS_RESTRICT y, - int len, int max_pitch, int *pitch, int arch); - -opus_val16 remove_doubling(opus_val16 *x, int maxperiod, int minperiod, - int N, int *T0, int prev_period, opus_val16 prev_gain); - -/* OPT: This is the kernel you really want to optimize. It gets used a lot - by the prefilter and by the PLC. */ -#ifndef OVERRIDE_XCORR_KERNEL -static OPUS_INLINE void xcorr_kernel(const opus_val16 * x, const opus_val16 * y, opus_val32 sum[4], int len) -{ - int j; - opus_val16 y_0, y_1, y_2, y_3; - celt_assert(len>=3); - y_3=0; /* gcc doesn't realize that y_3 can't be used uninitialized */ - y_0=*y++; - y_1=*y++; - y_2=*y++; - for (j=0;j<len-3;j+=4) - { - opus_val16 tmp; - tmp = *x++; - y_3=*y++; - sum[0] = MAC16_16(sum[0],tmp,y_0); - sum[1] = MAC16_16(sum[1],tmp,y_1); - sum[2] = MAC16_16(sum[2],tmp,y_2); - sum[3] = MAC16_16(sum[3],tmp,y_3); - tmp=*x++; - y_0=*y++; - sum[0] = MAC16_16(sum[0],tmp,y_1); - sum[1] = MAC16_16(sum[1],tmp,y_2); - sum[2] = MAC16_16(sum[2],tmp,y_3); - sum[3] = MAC16_16(sum[3],tmp,y_0); - tmp=*x++; - y_1=*y++; - sum[0] = MAC16_16(sum[0],tmp,y_2); - sum[1] = MAC16_16(sum[1],tmp,y_3); - sum[2] = MAC16_16(sum[2],tmp,y_0); - sum[3] = MAC16_16(sum[3],tmp,y_1); - tmp=*x++; - y_2=*y++; - sum[0] = MAC16_16(sum[0],tmp,y_3); - sum[1] = MAC16_16(sum[1],tmp,y_0); - sum[2] = MAC16_16(sum[2],tmp,y_1); - sum[3] = MAC16_16(sum[3],tmp,y_2); - } - if (j++<len) - { - opus_val16 tmp = *x++; - y_3=*y++; - sum[0] = MAC16_16(sum[0],tmp,y_0); - sum[1] = MAC16_16(sum[1],tmp,y_1); - sum[2] = MAC16_16(sum[2],tmp,y_2); - sum[3] = MAC16_16(sum[3],tmp,y_3); - } - if (j++<len) - { - opus_val16 tmp=*x++; - y_0=*y++; - sum[0] = MAC16_16(sum[0],tmp,y_1); - sum[1] = MAC16_16(sum[1],tmp,y_2); - sum[2] = MAC16_16(sum[2],tmp,y_3); - sum[3] = MAC16_16(sum[3],tmp,y_0); - } - if (j<len) - { - opus_val16 tmp=*x++; - y_1=*y++; - sum[0] = MAC16_16(sum[0],tmp,y_2); - sum[1] = MAC16_16(sum[1],tmp,y_3); - sum[2] = MAC16_16(sum[2],tmp,y_0); - sum[3] = MAC16_16(sum[3],tmp,y_1); - } -} -#endif /* OVERRIDE_XCORR_KERNEL */ - -#ifndef OVERRIDE_DUAL_INNER_PROD -static OPUS_INLINE void dual_inner_prod(const opus_val16 *x, const opus_val16 *y01, const opus_val16 *y02, - int N, opus_val32 *xy1, opus_val32 *xy2) -{ - int i; - opus_val32 xy01=0; - opus_val32 xy02=0; - for (i=0;i<N;i++) - { - xy01 = MAC16_16(xy01, x[i], y01[i]); - xy02 = MAC16_16(xy02, x[i], y02[i]); - } - *xy1 = xy01; - *xy2 = xy02; -} -#endif - -#ifdef FIXED_POINT -opus_val32 -#else -void -#endif -celt_pitch_xcorr_c(const opus_val16 *_x, const opus_val16 *_y, - opus_val32 *xcorr, int len, int max_pitch); - -#if !defined(OVERRIDE_PITCH_XCORR) -/*Is run-time CPU detection enabled on this platform?*/ -# if defined(OPUS_HAVE_RTCD) -extern -# if defined(FIXED_POINT) -opus_val32 -# else -void -# endif -(*const CELT_PITCH_XCORR_IMPL[OPUS_ARCHMASK+1])(const opus_val16 *, - const opus_val16 *, opus_val32 *, int, int); - -# define celt_pitch_xcorr(_x, _y, xcorr, len, max_pitch, arch) \ - ((*CELT_PITCH_XCORR_IMPL[(arch)&OPUS_ARCHMASK])(_x, _y, \ - xcorr, len, max_pitch)) -# else -# define celt_pitch_xcorr(_x, _y, xcorr, len, max_pitch, arch) \ - ((void)(arch),celt_pitch_xcorr_c(_x, _y, xcorr, len, max_pitch)) -# endif -#endif - -#endif |