From bed2a49fe97b8f070ace2dd37909bb06540c66bd Mon Sep 17 00:00:00 2001 From: Max Kellermann Date: Sun, 7 Sep 2008 22:41:17 +0200 Subject: output: added output_api.h Just like decoder_api.h, output_api.h provides the audio output API which is used by the plugins. --- src/output_api.h | 91 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 91 insertions(+) create mode 100644 src/output_api.h (limited to 'src/output_api.h') diff --git a/src/output_api.h b/src/output_api.h new file mode 100644 index 00000000..7391af1c --- /dev/null +++ b/src/output_api.h @@ -0,0 +1,91 @@ +/* the Music Player Daemon (MPD) + * Copyright (C) 2003-2007 by Warren Dukes (warren.dukes@gmail.com) + * Copyright (C) 2008 Max Kellermann + * 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 OUTPUT_API_H +#define OUTPUT_API_H + +#include "../config.h" +#include "pcm_utils.h" +#include "audio_format.h" +#include "tag.h" +#include "conf.h" +#include "log.h" +#include "os_compat.h" + +#define DISABLED_AUDIO_OUTPUT_PLUGIN(plugin) AudioOutputPlugin plugin; + +typedef struct _AudioOutput AudioOutput; + +typedef int (*AudioOutputTestDefaultDeviceFunc) (void); + +typedef int (*AudioOutputInitDriverFunc) (AudioOutput * audioOutput, + ConfigParam * param); + +typedef void (*AudioOutputFinishDriverFunc) (AudioOutput * audioOutput); + +typedef int (*AudioOutputOpenDeviceFunc) (AudioOutput * audioOutput); + +typedef int (*AudioOutputPlayFunc) (AudioOutput * audioOutput, + const char *playChunk, size_t size); + +typedef void (*AudioOutputDropBufferedAudioFunc) (AudioOutput * audioOutput); + +typedef void (*AudioOutputCloseDeviceFunc) (AudioOutput * audioOutput); + +typedef void (*AudioOutputSendMetadataFunc) (AudioOutput * audioOutput, + const struct tag *tag); + +typedef struct _AudioOutputPlugin { + const char *name; + + AudioOutputTestDefaultDeviceFunc testDefaultDeviceFunc; + AudioOutputInitDriverFunc initDriverFunc; + AudioOutputFinishDriverFunc finishDriverFunc; + AudioOutputOpenDeviceFunc openDeviceFunc; + AudioOutputPlayFunc playFunc; + AudioOutputDropBufferedAudioFunc dropBufferedAudioFunc; + AudioOutputCloseDeviceFunc closeDeviceFunc; + AudioOutputSendMetadataFunc sendMetdataFunc; +} AudioOutputPlugin; + +struct _AudioOutput { + int open; + const char *name; + const char *type; + + AudioOutputFinishDriverFunc finishDriverFunc; + AudioOutputOpenDeviceFunc openDeviceFunc; + AudioOutputPlayFunc playFunc; + AudioOutputDropBufferedAudioFunc dropBufferedAudioFunc; + AudioOutputCloseDeviceFunc closeDeviceFunc; + AudioOutputSendMetadataFunc sendMetdataFunc; + + int convertAudioFormat; + struct audio_format inAudioFormat; + struct audio_format outAudioFormat; + struct audio_format reqAudioFormat; + ConvState convState; + char *convBuffer; + size_t convBufferLen; + int sameInAndOutFormats; + + void *data; +}; + +#endif -- cgit v1.2.3