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https://code.videolan.org/videolan/vlc
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84 lines
2.1 KiB
C
84 lines
2.1 KiB
C
/*****************************************************************************
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* vlc_aout_mixer.h : audio output mixer interface
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*****************************************************************************
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* Copyright (C) 2002-2009 the VideoLAN team
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* $Id$
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*
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* Authors: Christophe Massiot <massiot@via.ecp.fr>
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* Laurent Aimar <fenrir _AT_ videolan _DOT_ org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
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*****************************************************************************/
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#ifndef VLC_AOUT_MIXER_H
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#define VLC_AOUT_MIXER_H 1
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/**
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* \file
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* This file defines functions, structures and macros for audio output mixer object
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*/
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#ifdef __cplusplus
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extern "C" {
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#endif
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//#include <vlc_aout.h>
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/* */
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typedef struct aout_mixer_sys_t aout_mixer_sys_t;
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typedef struct aout_mixer_t aout_mixer_t;
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typedef struct {
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/* */
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aout_fifo_t fifo;
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/* Software multiplier */
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float multiplier;
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} aout_mixer_input_t;
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/**
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* audio output mixer
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*/
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struct aout_mixer_t {
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VLC_COMMON_MEMBERS
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/* Module */
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module_t *module;
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/* Mixer format.
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*
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* You cannot modify it.
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*/
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audio_sample_format_t fmt;
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/* Array of mixer inputs */
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aout_mixer_input_t *input;
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/* Mix buffer (mandatory) */
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void (*mix)(aout_mixer_t *, aout_buffer_t *, float);
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/* Private place holder for the aout_mixer_t module (optional)
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*
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* A module is free to use it as it wishes.
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*/
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aout_mixer_sys_t *sys;
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};
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#ifdef __cplusplus
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}
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#endif
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#endif
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