/*
* Copyright (C) 2003-2014 The Music Player Daemon Project
* http://www.musicpd.org
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef MPD_OUTPUT_CONTROL_HXX
#define MPD_OUTPUT_CONTROL_HXX
#include "ReplayGainInfo.hxx"
#include <stddef.h>
struct AudioOutput;
struct AudioFormat;
struct config_param;
class MusicPipe;
void
audio_output_set_replay_gain_mode(AudioOutput *ao,
ReplayGainMode mode);
/**
* Enables the device.
*/
void
audio_output_enable(AudioOutput *ao);
/**
* Disables the device.
*/
void
audio_output_disable(AudioOutput *ao);
/**
* Opens or closes the device, depending on the "enabled" flag.
*
* @return true if the device is open
*/
bool
audio_output_update(AudioOutput *ao,
AudioFormat audio_format,
const MusicPipe &mp);
void
audio_output_play(AudioOutput *ao);
void
audio_output_pause(AudioOutput *ao);
void
audio_output_drain_async(AudioOutput *ao);
/**
* Clear the "allow_play" flag and send the "CANCEL" command
* asynchronously. To finish the operation, the caller has to call
* audio_output_allow_play().
*/
void
audio_output_cancel(AudioOutput *ao);
/**
* Set the "allow_play" and signal the thread.
*/
void
audio_output_allow_play(AudioOutput *ao);
void
audio_output_close(AudioOutput *ao);
/**
* Closes the audio output, but if the "always_on" flag is set, put it
* into pause mode instead.
*/
void
audio_output_release(AudioOutput *ao);
void
audio_output_finish(AudioOutput *ao);
#endif
