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/* the Music Player Daemon (MPD)
* (c)2003-2004 by Warren Dukes (shank@mercury.chem.pitt.edu)
* This project's homepage is: 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef AUDIO_OUTPUT_H
#define AUDIO_OUTPUT_H
#include "../config.h"
#include "mpd_types.h"
#include "audio.h"
#include "tag.h"
#include "conf.h"
typedef struct _AudioOutput AudioOutput;
typedef int (* AudioOutputInitDriverFunc) (AudioOutput * audioOutput,
ConfigParam * param);
typedef void (* AudioOutputFinishDriverFunc) (AudioOutput * audioOutput);
typedef int (* AudioOutputOpenDeviceFunc) (AudioOutput * audioOutput);
typedef int (* AudioOutputPlayFunc) (AudioOutput * audioOutput,
char * playChunk, int size);
typedef void (* AudioOutputCloseDeviceFunc) (AudioOutput * audioOutput);
typedef void (* AudioOutputSendMetadataFunc) (AudioOutput * audioOutput,
MpdTag * tag);
struct _AudioOutput {
int open;
char * name;
char * type;
AudioOutputFinishDriverFunc finishDriverFunc;
AudioOutputOpenDeviceFunc openDeviceFunc;
AudioOutputPlayFunc playFunc;
AudioOutputCloseDeviceFunc closeDeviceFunc;
AudioOutputSendMetadataFunc sendMetdataFunc;
int convertAudioFormat;
AudioFormat inAudioFormat;
AudioFormat outAudioFormat;
char * convBuffer;
int convBufferLen;
int sameInAndOutFormats;
void * data;
};
typedef struct _AudioOutputPlugin {
char * name;
AudioOutputInitDriverFunc initDriverFunc;
AudioOutputFinishDriverFunc finishDriverFunc;
AudioOutputOpenDeviceFunc openDeviceFunc;
AudioOutputPlayFunc playFunc;
AudioOutputCloseDeviceFunc closeDeviceFunc;
AudioOutputSendMetadataFunc sendMetdataFunc;
} AudioOutputPlugin;
void initAudioOutputPlugins();
void finishAudioOutputPlugins();
void loadAudioOutputPlugin(AudioOutputPlugin * audioOutputPlugin);
void unloadAudioOutputPlugin(AudioOutputPlugin * audioOutputPlugin);
AudioOutput * newAudioOutput(ConfigParam * param);
int openAudioOutput(AudioOutput * audioOutput, AudioFormat * audioFormat);
int playAudioOutput(AudioOutput * audioOutput, char * playChunk, int size);
void closeAudioOutput(AudioOutput * audioOutput);
void finishAudioOutput(AudioOutput * audioOutput);
int keepAudioOutputAlive(AudioOutput * audioOutput, int ms);
void sendMetadataToAudioOutput(AudioOutput * audioOutput, MpdTag * tag);
#endif
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