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Diffstat (limited to '')
-rw-r--r-- | trunk/src/audio.h | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/trunk/src/audio.h b/trunk/src/audio.h new file mode 100644 index 000000000..cc4ac0752 --- /dev/null +++ b/trunk/src/audio.h @@ -0,0 +1,83 @@ +/* the Music Player Daemon (MPD) + * Copyright (C) 2003-2007 by Warren Dukes (warren.dukes@gmail.com) + * 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_H +#define AUDIO_H + +#include "../config.h" + +#include "mpd_types.h" +#include "tag.h" + +#include <stdio.h> + +#define AUDIO_AO_DRIVER_DEFAULT "default" + +typedef struct _AudioFormat { + volatile mpd_sint8 channels; + volatile mpd_uint32 sampleRate; + volatile mpd_sint8 bits; +} AudioFormat; + +size_t audio_device_count(void); + +void copyAudioFormat(AudioFormat * dest, AudioFormat * src); + +int cmpAudioFormat(AudioFormat * dest, AudioFormat * src); + +void getOutputAudioFormat(AudioFormat * inFormat, AudioFormat * outFormat); + +int parseAudioConfig(AudioFormat * audioFormat, char *conf); + +/* make sure initPlayerData is called before this function!! */ +void initAudioConfig(void); + +void finishAudioConfig(void); + +void initAudioDriver(void); + +void finishAudioDriver(void); + +int openAudioDevice(AudioFormat * audioFormat); + +int playAudio(char *playChunk, int size); + +void dropBufferedAudio(void); + +void closeAudioDevice(void); + +int isAudioDeviceOpen(void); + +int isCurrentAudioFormat(AudioFormat * audioFormat); + +void sendMetadataToAudioDevice(MpdTag * tag); + +/* these functions are called in the main parent process while the child + process is busy playing to the audio */ +int enableAudioDevice(int fd, int device); + +int disableAudioDevice(int fd, int device); + +void printAudioDevices(int fd); + +void readAudioDevicesState(FILE *fp); + +void saveAudioDevicesState(FILE *fp); + +void loadAudioDrivers(void); +#endif |