95 lines
2.1 KiB
C++
95 lines
2.1 KiB
C++
/*
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* Copyright (C) 2003-2013 The Music Player Daemon Project
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* http://www.musicpd.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 along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#ifndef MPD_OUTPUT_CONTROL_HXX
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#define MPD_OUTPUT_CONTROL_HXX
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#include "ReplayGainInfo.hxx"
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#include <stddef.h>
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struct audio_output;
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struct AudioFormat;
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struct config_param;
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class MusicPipe;
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void
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audio_output_set_replay_gain_mode(audio_output *ao,
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ReplayGainMode mode);
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/**
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* Enables the device.
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*/
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void
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audio_output_enable(audio_output *ao);
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/**
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* Disables the device.
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*/
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void
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audio_output_disable(audio_output *ao);
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/**
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* Opens or closes the device, depending on the "enabled" flag.
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*
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* @return true if the device is open
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*/
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bool
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audio_output_update(audio_output *ao,
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AudioFormat audio_format,
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const MusicPipe &mp);
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void
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audio_output_play(audio_output *ao);
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void
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audio_output_pause(audio_output *ao);
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void
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audio_output_drain_async(audio_output *ao);
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/**
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* Clear the "allow_play" flag and send the "CANCEL" command
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* asynchronously. To finish the operation, the caller has to call
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* audio_output_allow_play().
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*/
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void
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audio_output_cancel(audio_output *ao);
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/**
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* Set the "allow_play" and signal the thread.
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*/
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void
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audio_output_allow_play(audio_output *ao);
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void
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audio_output_close(audio_output *ao);
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/**
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* Closes the audio output, but if the "always_on" flag is set, put it
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* into pause mode instead.
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*/
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void
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audio_output_release(audio_output *ao);
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void
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audio_output_finish(audio_output *ao);
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#endif
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