VLC 4.0.0-dev
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vlc_aout_volume.h
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1/*****************************************************************************
2 * vlc_aout_volume.h: audio volume module
3 *****************************************************************************
4 * Copyright (C) 2002-2009 VLC authors and VideoLAN
5 *
6 * Authors: Christophe Massiot <massiot@via.ecp.fr>
7 * Laurent Aimar <fenrir _AT_ videolan _DOT_ org>
8 *
9 * This program is free software; you can redistribute it and/or modify it
10 * under the terms of the GNU Lesser General Public License as published by
11 * the Free Software Foundation; either version 2.1 of the License, or
12 * (at your option) any later version.
13 *
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU Lesser General Public License for more details.
18 *
19 * You should have received a copy of the GNU Lesser General Public License
20 * along with this program; if not, write to the Free Software Foundation,
21 * Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
22 *****************************************************************************/
23
24#ifndef VLC_AOUT_MIXER_H
25#define VLC_AOUT_MIXER_H 1
26
27#ifdef __cplusplus
28extern "C" {
29#endif
30
31/**
32 * \defgroup audio_volume Audio output volume
33 * \ingroup audio_output
34 * @{
35 * \file
36 * This file defines functions, structures and macros for audio output mixer object
37 */
38
39typedef struct audio_volume audio_volume_t;
41/**
42 * Audio volume
43 */
44struct audio_volume
46 struct vlc_object_t obj;
48 vlc_fourcc_t format; /**< Audio samples format */
49 void (*amplify)(audio_volume_t *, block_t *, float); /**< Amplifier */
50};
51
52/** @} */
53
54#ifdef __cplusplus
55}
56#endif
57
58#endif
uint32_t vlc_fourcc_t
Definition fourcc_gen.c:33
Audio volume.
Definition vlc_aout_volume.h:46
void(* amplify)(audio_volume_t *, block_t *, float)
Amplifier.
Definition vlc_aout_volume.h:50
vlc_fourcc_t format
Audio samples format.
Definition vlc_aout_volume.h:49
struct vlc_object_t obj
Definition vlc_aout_volume.h:47
Definition vlc_frame.h:123
VLC object common members.
Definition vlc_objects.h:53
This file is a collection of common definitions and types.