2006-01-02 17:28:59 +00:00
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/*
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* FreeSWITCH Modular Media Switching Software Library / Soft-Switch Application
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* Copyright (C) 2005/2006, Anthony Minessale II <anthmct@yahoo.com>
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*
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* Version: MPL 1.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is FreeSWITCH Modular Media Switching Software Library / Soft-Switch Application
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*
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* The Initial Developer of the Original Code is
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* Anthony Minessale II <anthmct@yahoo.com>
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* Portions created by the Initial Developer are Copyright (C)
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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*
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* Anthony Minessale II <anthmct@yahoo.com>
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*
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*
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* switch_caller.h -- Caller Identification
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*
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*/
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/*! \file switch_resample.h
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\brief Audio Resample Code
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*/
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#ifndef SWITCH_RESAMPLE_H
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#define SWITCH_RESAMPLE_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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2006-01-02 18:31:50 +00:00
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#include <stdlib.h>
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2006-01-02 17:28:59 +00:00
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struct switch_audio_resampler {
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void *resampler;
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int from_rate;
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int to_rate;
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double factor;
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float *from;
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int from_len;
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size_t from_size;
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float *to;
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int to_len;
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size_t to_size;
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};
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#include <switch.h>
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SWITCH_DECLARE(switch_status) switch_resample_create(switch_audio_resampler **new_resampler,
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int from_rate,
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size_t from_size,
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int to_rate,
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size_t to_size,
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switch_memory_pool *pool);
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SWITCH_DECLARE(int) switch_resample_process(switch_audio_resampler *resampler, float *src, int srclen, float *dst, int dstlen, int last);
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SWITCH_DECLARE(size_t) switch_float_to_short(float *f, short *s, size_t len);
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SWITCH_DECLARE(int) switch_char_to_float(char *c, float *f, int len);
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SWITCH_DECLARE(int) switch_float_to_char(float *f, char *c, int len);
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SWITCH_DECLARE(int) switch_short_to_float(short *s, float *f, int len);
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SWITCH_DECLARE(void) switch_swap_linear(int16_t *buf, int len);
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SWITCH_DECLARE(void) switch_resample_destroy(switch_audio_resampler *resampler);
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#ifdef __cplusplus
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}
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#endif
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#endif
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