freeswitch/src/include/switch_vad.h

67 lines
2.0 KiB
C

/*
* FreeSWITCH Modular Media Switching Software Library / Soft-Switch Application
* Copyright (C) 2018, Anthony Minessale II <anthm@freeswitch.org>
*
* Version: MPL 1.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is FreeSWITCH Modular Media Switching Software Library / Soft-Switch Application
*
* The Initial Developer of the Original Code is
* Anthony Minessale II <anthm@freeswitch.org>
* Portions created by the Initial Developer are Copyright (C)
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* Seven Du <dujinfang@gmail.com>
*
*
* switch_vad.h VAD code with optional libfvad
*
*/
/*!
\defgroup vad1 VAD code with optional libfvad
\ingroup core1
\{
*/
#ifndef FREESWITCH_VAD_H
#define FREESWITCH_VAD_H
SWITCH_BEGIN_EXTERN_C
SWITCH_DECLARE(switch_vad_t *) switch_vad_init(int sample_rate, int channels);
/*
* Valid modes are -1 ("disable fvad, using native"), 0 ("quality"), 1 ("low bitrate"), 2 ("aggressive"), and 3 * ("very aggressive").
* The default mode is -1.
*/
SWITCH_DECLARE(int) switch_vad_set_mode(switch_vad_t *vad, int mode);
SWITCH_DECLARE(void) switch_vad_set_param(switch_vad_t *vad, const char *key, int val);
SWITCH_DECLARE(switch_vad_state_t) switch_vad_process(switch_vad_t *vad, int16_t *data, unsigned int samples);
SWITCH_DECLARE(void) switch_vad_reset(switch_vad_t *vad);
SWITCH_DECLARE(void) switch_vad_destroy(switch_vad_t **vad);
SWITCH_END_EXTERN_C
#endif
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