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author/dev/humancontroller <devhc@example.com>2015-03-28 01:21:52 +0100
committer/dev/humancontroller <devhc@example.com>2017-01-26 07:16:57 +0100
commite9d273f7b0544b03e4d73e1078b2755fef0e05f7 (patch)
tree4fa9863c0a41a444a0afc145411480ced8e4351d /src/libspeex/filters.h
parentf45fbef604e05144057dec8d1dbfc5d4f5a2a822 (diff)
remove most libraries from the source tree
Diffstat (limited to 'src/libspeex/filters.h')
-rw-r--r--src/libspeex/filters.h90
1 files changed, 0 insertions, 90 deletions
diff --git a/src/libspeex/filters.h b/src/libspeex/filters.h
deleted file mode 100644
index e3a5980e..00000000
--- a/src/libspeex/filters.h
+++ /dev/null
@@ -1,90 +0,0 @@
-/* Copyright (C) 2002 Jean-Marc Valin */
-/**
- @file filters.h
- @brief Various analysis/synthesis filters
-*/
-/*
- 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.
-
- - Neither the name of the Xiph.org Foundation nor the names of its
- contributors may be used to endorse or promote products derived from
- this software without specific prior written permission.
-
- 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 FOUNDATION 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 FILTERS_H
-#define FILTERS_H
-
-#include "arch.h"
-
-spx_word16_t compute_rms(const spx_sig_t *x, int len);
-spx_word16_t compute_rms16(const spx_word16_t *x, int len);
-void signal_mul(const spx_sig_t *x, spx_sig_t *y, spx_word32_t scale, int len);
-void signal_div(const spx_word16_t *x, spx_word16_t *y, spx_word32_t scale, int len);
-
-#ifdef FIXED_POINT
-
-int normalize16(const spx_sig_t *x, spx_word16_t *y, spx_sig_t max_scale, int len);
-
-#endif
-
-
-#define HIGHPASS_NARROWBAND 0
-#define HIGHPASS_WIDEBAND 2
-#define HIGHPASS_INPUT 0
-#define HIGHPASS_OUTPUT 1
-#define HIGHPASS_IRS 4
-
-void highpass(const spx_word16_t *x, spx_word16_t *y, int len, int filtID, spx_mem_t *mem);
-
-
-void qmf_decomp(const spx_word16_t *xx, const spx_word16_t *aa, spx_word16_t *, spx_word16_t *y2, int N, int M, spx_word16_t *mem, char *stack);
-void qmf_synth(const spx_word16_t *x1, const spx_word16_t *x2, const spx_word16_t *a, spx_word16_t *y, int N, int M, spx_word16_t *mem1, spx_word16_t *mem2, char *stack);
-
-void filter_mem16(const spx_word16_t *x, const spx_coef_t *num, const spx_coef_t *den, spx_word16_t *y, int N, int ord, spx_mem_t *mem, char *stack);
-void iir_mem16(const spx_word16_t *x, const spx_coef_t *den, spx_word16_t *y, int N, int ord, spx_mem_t *mem, char *stack);
-void fir_mem16(const spx_word16_t *x, const spx_coef_t *num, spx_word16_t *y, int N, int ord, spx_mem_t *mem, char *stack);
-
-/* Apply bandwidth expansion on LPC coef */
-void bw_lpc(spx_word16_t , const spx_coef_t *lpc_in, spx_coef_t *lpc_out, int order);
-void sanitize_values32(spx_word32_t *vec, spx_word32_t min_val, spx_word32_t max_val, int len);
-
-
-void syn_percep_zero16(const spx_word16_t *xx, const spx_coef_t *ak, const spx_coef_t *awk1, const spx_coef_t *awk2, spx_word16_t *y, int N, int ord, char *stack);
-void residue_percep_zero16(const spx_word16_t *xx, const spx_coef_t *ak, const spx_coef_t *awk1, const spx_coef_t *awk2, spx_word16_t *y, int N, int ord, char *stack);
-
-void compute_impulse_response(const spx_coef_t *ak, const spx_coef_t *awk1, const spx_coef_t *awk2, spx_word16_t *y, int N, int ord, char *stack);
-
-void multicomb(
-spx_word16_t *exc, /*decoded excitation*/
-spx_word16_t *new_exc, /*enhanced excitation*/
-spx_coef_t *ak, /*LPC filter coefs*/
-int p, /*LPC order*/
-int nsf, /*sub-frame size*/
-int pitch, /*pitch period*/
-int max_pitch, /*pitch gain (3-tap)*/
-spx_word16_t comb_gain, /*gain of comb filter*/
-char *stack
-);
-
-#endif