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