mirror of
https://github.com/outbackdingo/UltraGrid.git
synced 2026-04-08 01:08:39 +00:00
72 lines
2.6 KiB
C
72 lines
2.6 KiB
C
/*
|
|
* FILE: audio/echo.h
|
|
* AUTHORS: Martin Benes <martinbenesh@gmail.com>
|
|
* Lukas Hejtmanek <xhejtman@ics.muni.cz>
|
|
* Petr Holub <hopet@ics.muni.cz>
|
|
* Milos Liska <xliska@fi.muni.cz>
|
|
* Jiri Matela <matela@ics.muni.cz>
|
|
* Dalibor Matura <255899@mail.muni.cz>
|
|
* Ian Wesley-Smith <iwsmith@cct.lsu.edu>
|
|
*
|
|
* Copyright (c) 2005-2021 CESNET z.s.p.o.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, is permitted provided that the following conditions
|
|
* are met:
|
|
*
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
*
|
|
* 2. 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.
|
|
*
|
|
* 3. All advertising materials mentioning features or use of this software
|
|
* must display the following acknowledgement:
|
|
*
|
|
* This product includes software developed by CESNET z.s.p.o.
|
|
*
|
|
* 4. Neither the name of CESNET 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 AUTHORS AND CONTRIBUTORS
|
|
* "AS IS" AND ANY EXPRESSED 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 AUTHORS 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 _ECHO_H_
|
|
#define _ECHO_H_
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
struct audio_frame;
|
|
struct echo_cancellation;
|
|
|
|
typedef struct echo_cancellation echo_cancellation_t;
|
|
|
|
struct echo_cancellation * echo_cancellation_init(void);
|
|
void echo_cancellation_destroy(struct echo_cancellation *state);
|
|
void echo_play(struct echo_cancellation *state, struct audio_frame *frame);
|
|
|
|
struct audio_frame * echo_cancel(struct echo_cancellation *state, struct audio_frame *frame);
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif /* _ECHO_H_ */
|