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/*
* Copyright 2003-2016 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_CLIENT_HXX
#define MPD_OUTPUT_CLIENT_HXX
#include "check.h"
/**
* An interface between the #AudioOutput and the #Player.
*/
class AudioOutputClient {
public:
/**
* Notify the client that we have consumed a few chunks. This
* is called from within the output thread. The client may
* perform actions to refill the #MusicPipe.
*/
virtual void ChunksConsumed() = 0;
/**
* The #AudioOutput has modified the "enabled" flag, and the
* client shall make the #AudioOutput apply this new setting.
* This is called from any thread, one which can't send an
* AudioOutput::Command to the output thread; only the client
* can do that safely.
*/
virtual void ApplyEnabled() = 0;
};
#endif
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