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Diffstat (limited to 'drivers/opus/celt/celt.c')
-rw-r--r--drivers/opus/celt/celt.c296
1 files changed, 0 insertions, 296 deletions
diff --git a/drivers/opus/celt/celt.c b/drivers/opus/celt/celt.c
deleted file mode 100644
index 4a16651441..0000000000
--- a/drivers/opus/celt/celt.c
+++ /dev/null
@@ -1,296 +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.
-*/
-#include "opus/opus_config.h"
-
-#define CELT_C
-
-#include "opus/celt/os_support.h"
-#include "opus/celt/mdct.h"
-#include <math.h>
-#include "opus/celt/celt.h"
-#include "opus/celt/pitch.h"
-#include "opus/celt/bands.h"
-#include "opus/celt/modes.h"
-#include "opus/celt/entcode.h"
-#include "opus/celt/quant_bands.h"
-#include "opus/celt/rate.h"
-#include "opus/celt/stack_alloc.h"
-#include "opus/celt/mathops.h"
-#include "opus/celt/float_cast.h"
-#include <stdarg.h>
-#include "opus/celt/celt_lpc.h"
-#include "opus/celt/vq.h"
-
-#ifndef PACKAGE_VERSION
-#define PACKAGE_VERSION "unknown"
-#endif
-
-#if defined(MIPSr1_ASM)
-#include "opus/celt/mips/celt_mipsr1.h"
-#endif
-
-
-int resampling_factor(opus_int32 rate)
-{
- int ret;
- switch (rate)
- {
- case 48000:
- ret = 1;
- break;
- case 24000:
- ret = 2;
- break;
- case 16000:
- ret = 3;
- break;
- case 12000:
- ret = 4;
- break;
- case 8000:
- ret = 6;
- break;
- default:
-#ifndef CUSTOM_MODES
- celt_assert(0);
-#endif
- ret = 0;
- break;
- }
- return ret;
-}
-
-#if !defined(OVERRIDE_COMB_FILTER_CONST) || defined(NON_STATIC_COMB_FILTER_CONST_C)
-/* This version should be faster on ARM */
-#ifdef OPUS_ARM_ASM
-#ifndef NON_STATIC_COMB_FILTER_CONST_C
-static
-#endif
-void comb_filter_const_c(opus_val32 *y, opus_val32 *x, int T, int N,
- opus_val16 g10, opus_val16 g11, opus_val16 g12)
-{
- opus_val32 x0, x1, x2, x3, x4;
- int i;
- x4 = SHL32(x[-T-2], 1);
- x3 = SHL32(x[-T-1], 1);
- x2 = SHL32(x[-T], 1);
- x1 = SHL32(x[-T+1], 1);
- for (i=0;i<N-4;i+=5)
- {
- opus_val32 t;
- x0=SHL32(x[i-T+2],1);
- t = MAC16_32_Q16(x[i], g10, x2);
- t = MAC16_32_Q16(t, g11, ADD32(x1,x3));
- t = MAC16_32_Q16(t, g12, ADD32(x0,x4));
- y[i] = t;
- x4=SHL32(x[i-T+3],1);
- t = MAC16_32_Q16(x[i+1], g10, x1);
- t = MAC16_32_Q16(t, g11, ADD32(x0,x2));
- t = MAC16_32_Q16(t, g12, ADD32(x4,x3));
- y[i+1] = t;
- x3=SHL32(x[i-T+4],1);
- t = MAC16_32_Q16(x[i+2], g10, x0);
- t = MAC16_32_Q16(t, g11, ADD32(x4,x1));
- t = MAC16_32_Q16(t, g12, ADD32(x3,x2));
- y[i+2] = t;
- x2=SHL32(x[i-T+5],1);
- t = MAC16_32_Q16(x[i+3], g10, x4);
- t = MAC16_32_Q16(t, g11, ADD32(x3,x0));
- t = MAC16_32_Q16(t, g12, ADD32(x2,x1));
- y[i+3] = t;
- x1=SHL32(x[i-T+6],1);
- t = MAC16_32_Q16(x[i+4], g10, x3);
- t = MAC16_32_Q16(t, g11, ADD32(x2,x4));
- t = MAC16_32_Q16(t, g12, ADD32(x1,x0));
- y[i+4] = t;
- }
-#ifdef CUSTOM_MODES
- for (;i<N;i++)
- {
- opus_val32 t;
- x0=SHL32(x[i-T+2],1);
- t = MAC16_32_Q16(x[i], g10, x2);
- t = MAC16_32_Q16(t, g11, ADD32(x1,x3));
- t = MAC16_32_Q16(t, g12, ADD32(x0,x4));
- y[i] = t;
- x4=x3;
- x3=x2;
- x2=x1;
- x1=x0;
- }
-#endif
-}
-#else
-#ifndef NON_STATIC_COMB_FILTER_CONST_C
-static
-#endif
-void comb_filter_const_c(opus_val32 *y, opus_val32 *x, int T, int N,
- opus_val16 g10, opus_val16 g11, opus_val16 g12)
-{
- opus_val32 x0, x1, x2, x3, x4;
- int i;
- x4 = x[-T-2];
- x3 = x[-T-1];
- x2 = x[-T];
- x1 = x[-T+1];
- for (i=0;i<N;i++)
- {
- x0=x[i-T+2];
- y[i] = x[i]
- + MULT16_32_Q15(g10,x2)
- + MULT16_32_Q15(g11,ADD32(x1,x3))
- + MULT16_32_Q15(g12,ADD32(x0,x4));
- x4=x3;
- x3=x2;
- x2=x1;
- x1=x0;
- }
-
-}
-#endif
-#endif
-
-#ifndef 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;
- /* printf ("%d %d %f %f\n", T0, T1, g0, g1); */
- opus_val16 g00, g01, g02, g10, g11, g12;
- opus_val32 x0, x1, x2, x3, x4;
- 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;
- x0=x[i-T1+2];
- f = MULT16_16_Q15(window[i],window[i]);
- y[i] = x[i]
- + MULT16_32_Q15(MULT16_16_Q15((Q15ONE-f),g00),x[i-T0])
- + MULT16_32_Q15(MULT16_16_Q15((Q15ONE-f),g01),ADD32(x[i-T0+1],x[i-T0-1]))
- + MULT16_32_Q15(MULT16_16_Q15((Q15ONE-f),g02),ADD32(x[i-T0+2],x[i-T0-2]))
- + MULT16_32_Q15(MULT16_16_Q15(f,g10),x2)
- + MULT16_32_Q15(MULT16_16_Q15(f,g11),ADD32(x1,x3))
- + MULT16_32_Q15(MULT16_16_Q15(f,g12),ADD32(x0,x4));
- x4=x3;
- x3=x2;
- x2=x1;
- x1=x0;
-
- }
- 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;
- }
-
- /* Compute the part with the constant filter. */
- comb_filter_const(y+i, x+i, T1, N-i, g10, g11, g12, arch);
-}
-#endif /* OVERRIDE_comb_filter */
-
-const signed char tf_select_table[4][8] = {
- {0, -1, 0, -1, 0,-1, 0,-1},
- {0, -1, 0, -2, 1, 0, 1,-1},
- {0, -2, 0, -3, 2, 0, 1,-1},
- {0, -2, 0, -3, 3, 0, 1,-1},
-};
-
-
-void init_caps(const CELTMode *m,int *cap,int LM,int C)
-{
- int i;
- for (i=0;i<m->nbEBands;i++)
- {
- int N;
- N=(m->eBands[i+1]-m->eBands[i])<<LM;
- cap[i] = (m->cache.caps[m->nbEBands*(2*LM+C-1)+i]+64)*C*N>>2;
- }
-}
-
-
-
-const char *opus_strerror(int error)
-{
- static const char * const error_strings[8] = {
- "success",
- "invalid argument",
- "buffer too small",
- "internal error",
- "corrupted stream",
- "request not implemented",
- "invalid state",
- "memory allocation failed"
- };
- if (error > 0 || error < -7)
- return "unknown error";
- else
- return error_strings[-error];
-}
-
-const char *opus_get_version_string(void)
-{
- return "libopus " PACKAGE_VERSION
- /* Applications may rely on the presence of this substring in the version
- string to determine if they have a fixed-point or floating-point build
- at runtime. */
-#ifdef OPUS_FIXED_POINT
- "-fixed"
-#endif
-#ifdef FUZZING
- "-fuzzing"
-#endif
- ;
-}
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