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-rw-r--r--src/opus-1.1/celt/celt.c223
1 files changed, 0 insertions, 223 deletions
diff --git a/src/opus-1.1/celt/celt.c b/src/opus-1.1/celt/celt.c
deleted file mode 100644
index 3e0ce6e6..00000000
--- a/src/opus-1.1/celt/celt.c
+++ /dev/null
@@ -1,223 +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.
-*/
-
-#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"
-
-#ifndef PACKAGE_VERSION
-#define PACKAGE_VERSION "unknown"
-#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;
-}
-
-#ifndef OVERRIDE_COMB_FILTER_CONST
-static void comb_filter_const(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
-
-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 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_Q15(g0, gains[tapset0][0]);
- g01 = MULT16_16_Q15(g0, gains[tapset0][1]);
- g02 = MULT16_16_Q15(g0, gains[tapset0][2]);
- g10 = MULT16_16_Q15(g1, gains[tapset1][0]);
- g11 = MULT16_16_Q15(g1, gains[tapset1][1]);
- g12 = MULT16_16_Q15(g1, gains[tapset1][2]);
- x1 = x[-T1+1];
- x2 = x[-T1 ];
- x3 = x[-T1-1];
- x4 = x[-T1-2];
- 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);
-}
-
-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
-#ifdef FIXED_POINT
- "-fixed"
-#endif
-#ifdef FUZZING
- "-fuzzing"
-#endif
- ;
-}
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