author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Tue, 31 Aug 2010 15:30:33 +0300 | |
branch | RCL_3 |
changeset 29 | 567bb019e3e3 |
permissions | -rw-r--r-- |
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arch.h |
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fixed_arm4.h |
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fixed_arm5e.h |
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fixed_bfin.h |
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fixed_debug.h |
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fixed_generic.h |
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resample.c |
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speex_resampler.h |
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are taken from http://git.xiph.org/speex.git/ as of 2008-10-28. |
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The only changes are: |
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--- arch.h 2008-11-28 09:57:15.000000000 +0100 |
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+++ arch.h 2008-11-28 09:57:37.000000000 +0100 |
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@@ -78,7 +78,10 @@ |
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#include "../include/speex/speex_types.h" |
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#endif |
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+#ifndef ABS |
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#define ABS(x) ((x) < 0 ? (-(x)) : (x)) /**< Absolute integer value. */ |
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+#endif |
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+ |
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#define ABS16(x) ((x) < 0 ? (-(x)) : (x)) /**< Absolute 16-bit value. */ |
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#define MIN16(a,b) ((a) < (b) ? (a) : (b)) /**< Maximum 16-bit value. */ |
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#define MAX16(a,b) ((a) > (b) ? (a) : (b)) /**< Maximum 16-bit value. */ |
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@@ -134,6 +137,28 @@ |
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#else |
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+#ifdef DOUBLE_PRECISION |
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+typedef double spx_mem_t; |
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+typedef double spx_coef_t; |
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+typedef double spx_lsp_t; |
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+typedef double spx_sig_t; |
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+typedef double spx_word16_t; |
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+typedef double spx_word32_t; |
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+ |
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+#define Q15ONE 1.0 |
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+#define LPC_SCALING 1. |
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+#define SIG_SCALING 1. |
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+#define LSP_SCALING 1. |
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+#define GAMMA_SCALING 1. |
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+#define GAIN_SCALING 1. |
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+#define GAIN_SCALING_1 1. |
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+ |
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+ |
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+#define VERY_SMALL 1e-20 |
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+#define VERY_LARGE32 1e20 |
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+#define VERY_LARGE16 1e20 |
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+#define Q15_ONE ((spx_word16_t)1.) |
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+#else /* !DOUBLE_PRECISION */ |
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typedef float spx_mem_t; |
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typedef float spx_coef_t; |
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typedef float spx_lsp_t; |
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@@ -154,6 +179,7 @@ |
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#define VERY_LARGE32 1e15f |
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#define VERY_LARGE16 1e15f |
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#define Q15_ONE ((spx_word16_t)1.f) |
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+#endif /* DOUBLE_PRECISION */ |
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|
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#define QCONST16(x,bits) (x) |
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#define QCONST32(x,bits) (x) |
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--- resample.c 2008-11-28 09:56:42.000000000 +0100 |
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+++ resample.c 2008-11-01 20:38:35.000000000 +0100 |
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@@ -63,22 +63,27 @@ |
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#ifdef OUTSIDE_SPEEX |
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#include <stdlib.h> |
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-static void * |
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+ |
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+#include <glib.h> |
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+ |
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+#define EXPORT G_GNUC_INTERNAL |
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+ |
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+static inline void * |
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speex_alloc (int size) |
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{ |
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- return calloc (size, 1); |
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+ return g_malloc0 (size); |
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} |
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-static void * |
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+static inline void * |
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speex_realloc (void *ptr, int size) |
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{ |
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- return realloc (ptr, size); |
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+ return g_realloc (ptr, size); |
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} |
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-static void |
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+static inline void |
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speex_free (void *ptr) |
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{ |
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- free (ptr); |
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+ g_free (ptr); |
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} |
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#include "speex_resampler.h" |
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@@ -90,7 +95,6 @@ |
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#include "os_support.h" |
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#endif /* OUTSIDE_SPEEX */ |
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-#include "stack_alloc.h" |
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#include <math.h> |
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|
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#ifndef M_PI |
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@@ -263,10 +267,17 @@ |
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}; |
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|
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/*8,24,40,56,80,104,128,160,200,256,320*/ |
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+#ifdef DOUBLE_PRECISION |
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+static double |
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+compute_func (double x, struct FuncDef *func) |
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+{ |
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+ double y, frac; |
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+#else |
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static double |
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compute_func (float x, struct FuncDef *func) |
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120 |
{ |
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float y, frac; |
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+#endif |
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double interp[4]; |
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int ind; |
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y = x * func->oversample; |
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@@ -317,11 +328,19 @@ |
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} |
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128 |
#else |
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/* The slow way of computing a sinc for the table. Should improve that some day */ |
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+#ifdef DOUBLE_PRECISION |
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+static spx_word16_t |
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+sinc (double cutoff, double x, int N, struct FuncDef *window_func) |
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+{ |
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+ /*fprintf (stderr, "%f ", x); */ |
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+ double xx = x * cutoff; |
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+#else |
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static spx_word16_t |
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sinc (float cutoff, float x, int N, struct FuncDef *window_func) |
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{ |
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/*fprintf (stderr, "%f ", x); */ |
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float xx = x * cutoff; |
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+#endif |
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if (fabs (x) < 1e-6) |
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return cutoff; |
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else if (fabs (x) > .5 * N) |
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@@ -372,6 +391,7 @@ |
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} |
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#endif |
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|
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+#ifndef DOUBLE_PRECISION |
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static int |
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resampler_basic_direct_single (SpeexResamplerState * st, |
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spx_uint32_t channel_index, const spx_word16_t * in, spx_uint32_t * in_len, |
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@@ -421,6 +441,7 @@ |
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st->samp_frac_num[channel_index] = samp_frac_num; |
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return out_sample; |
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} |
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+#endif |
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|
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#ifdef FIXED_POINT |
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#else |
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@@ -476,6 +497,7 @@ |
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} |
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#endif |
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|
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+#ifndef DOUBLE_PRECISION |
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static int |
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resampler_basic_interpolate_single (SpeexResamplerState * st, |
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spx_uint32_t channel_index, const spx_word16_t * in, spx_uint32_t * in_len, |
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@@ -554,6 +576,7 @@ |
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st->samp_frac_num[channel_index] = samp_frac_num; |
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return out_sample; |
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} |
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+#endif |
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|
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#ifdef FIXED_POINT |
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#else |
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@@ -584,10 +607,16 @@ |
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PDIV32 (SHL32 ((samp_frac_num * st->oversample) % st->den_rate, 15), |
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st->den_rate); |
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#else |
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+#ifdef DOUBLE_PRECISION |
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+ const spx_word16_t frac = |
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+ ((double) ((samp_frac_num * st->oversample) % st->den_rate)) / |
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+ st->den_rate; |
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+#else |
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const spx_word16_t frac = |
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((float) ((samp_frac_num * st->oversample) % st->den_rate)) / |
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st->den_rate; |
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#endif |
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+#endif |
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spx_word16_t interp[4]; |
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|
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|
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@@ -688,20 +717,27 @@ |
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spx_int32_t j; |
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for (j = 0; j < st->filt_len; j++) { |
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st->sinc_table[i * st->filt_len + j] = |
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- sinc (st->cutoff, |
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- ((j - (spx_int32_t) st->filt_len / 2 + 1) - |
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+ sinc (st->cutoff, ((j - (spx_int32_t) st->filt_len / 2 + 1) - |
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+#ifdef DOUBLE_PRECISION |
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+ ((double) i) / st->den_rate), st->filt_len, |
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+#else |
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((float) i) / st->den_rate), st->filt_len, |
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+#endif |
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quality_map[st->quality].window_func); |
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} |
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} |
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#ifdef FIXED_POINT |
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st->resampler_ptr = resampler_basic_direct_single; |
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#else |
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+#ifdef DOUBLE_PRECISION |
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+ st->resampler_ptr = resampler_basic_direct_double; |
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+#else |
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if (st->quality > 8) |
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st->resampler_ptr = resampler_basic_direct_double; |
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else |
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st->resampler_ptr = resampler_basic_direct_single; |
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#endif |
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+#endif |
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/*fprintf (stderr, "resampler uses direct sinc table and normalised cutoff %f\n", cutoff); */ |
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} else { |
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spx_int32_t i; |
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@@ -717,16 +753,24 @@ |
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} |
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for (i = -4; i < (spx_int32_t) (st->oversample * st->filt_len + 4); i++) |
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st->sinc_table[i + 4] = |
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+#ifdef DOUBLE_PRECISION |
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+ sinc (st->cutoff, (i / (double) st->oversample - st->filt_len / 2), |
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+#else |
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sinc (st->cutoff, (i / (float) st->oversample - st->filt_len / 2), |
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+#endif |
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st->filt_len, quality_map[st->quality].window_func); |
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#ifdef FIXED_POINT |
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st->resampler_ptr = resampler_basic_interpolate_single; |
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#else |
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+#ifdef DOUBLE_PRECISION |
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+ st->resampler_ptr = resampler_basic_interpolate_double; |
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+#else |
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if (st->quality > 8) |
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st->resampler_ptr = resampler_basic_interpolate_double; |
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else |
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st->resampler_ptr = resampler_basic_interpolate_single; |
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#endif |
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+#endif |
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/*fprintf (stderr, "resampler uses interpolated sinc table and normalised cutoff %f\n", cutoff); */ |
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} |
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st->int_advance = st->num_rate / st->den_rate; |
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@@ -956,11 +1000,18 @@ |
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spx_uint32_t channel_index, const spx_int16_t * in, spx_uint32_t * in_len, |
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spx_int16_t * out, spx_uint32_t * out_len) |
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#else |
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+#ifdef DOUBLE_PRECISION |
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+EXPORT int |
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+speex_resampler_process_float (SpeexResamplerState * st, |
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+ spx_uint32_t channel_index, const double *in, spx_uint32_t * in_len, |
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+ double *out, spx_uint32_t * out_len) |
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+#else |
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EXPORT int |
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speex_resampler_process_float (SpeexResamplerState * st, |
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spx_uint32_t channel_index, const float *in, spx_uint32_t * in_len, |
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float *out, spx_uint32_t * out_len) |
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#endif |
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+#endif |
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{ |
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int j; |
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spx_uint32_t ilen = *in_len; |
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@@ -1078,9 +1129,16 @@ |
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return RESAMPLER_ERR_SUCCESS; |
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} |
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|
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+#ifdef DOUBLE_PRECISION |
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+EXPORT int |
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+speex_resampler_process_interleaved_float (SpeexResamplerState * st, |
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+ const double *in, spx_uint32_t * in_len, double *out, |
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+ spx_uint32_t * out_len) |
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+#else |
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EXPORT int |
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speex_resampler_process_interleaved_float (SpeexResamplerState * st, |
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const float *in, spx_uint32_t * in_len, float *out, spx_uint32_t * out_len) |
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+#endif |
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{ |
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spx_uint32_t i; |
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int istride_save, ostride_save; |
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--- speex_resampler.h 2008-11-28 09:57:15.000000000 +0100 |
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+++ speex_resampler.h 2008-11-28 09:57:37.000000000 +0100 |
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@@ -77,10 +77,10 @@ |
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#define speex_resampler_reset_mem CAT_PREFIX(RANDOM_PREFIX,_resampler_reset_mem) |
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#define speex_resampler_strerror CAT_PREFIX(RANDOM_PREFIX,_resampler_strerror) |
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|
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-#define spx_int16_t short |
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-#define spx_int32_t int |
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-#define spx_uint16_t unsigned short |
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-#define spx_uint32_t unsigned int |
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+#define spx_int16_t gint16 |
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+#define spx_int32_t gint32 |
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+#define spx_uint16_t guint16 |
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+#define spx_uint32_t guint32 |
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|
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#else /* OUTSIDE_SPEEX */ |
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|
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@@ -162,10 +162,17 @@ |
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* @param out Output buffer |
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* @param out_len Size of the output buffer. Returns the number of samples written |
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*/ |
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+#ifdef DOUBLE_PRECISION |
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+ int speex_resampler_process_float (SpeexResamplerState * st, |
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+ spx_uint32_t channel_index, |
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+ const double *in, |
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+ spx_uint32_t * in_len, double *out, spx_uint32_t * out_len); |
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+#else |
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int speex_resampler_process_float (SpeexResamplerState * st, |
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spx_uint32_t channel_index, |
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const float *in, |
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spx_uint32_t * in_len, float *out, spx_uint32_t * out_len); |
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+#endif |
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|
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/** Resample an int array. The input and output buffers must *not* overlap. |
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* @param st Resampler state |
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@@ -191,9 +198,15 @@ |
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* @param out_len Size of the output buffer. Returns the number of samples written. |
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* This is all per-channel. |
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*/ |
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+#ifdef DOUBLE_PRECISION |
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+ int speex_resampler_process_interleaved_float (SpeexResamplerState * st, |
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+ const double *in, |
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+ spx_uint32_t * in_len, double *out, spx_uint32_t * out_len); |
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+#else |
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int speex_resampler_process_interleaved_float (SpeexResamplerState * st, |
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const float *in, |
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spx_uint32_t * in_len, float *out, spx_uint32_t * out_len); |
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+#endif |
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|
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/** Resample an interleaved int array. The input and output buffers must *not* overlap. |
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* @param st Resampler state |