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authorMax Kellermann <max@duempel.org>2008-09-07 22:41:17 +0200
committerMax Kellermann <max@duempel.org>2008-09-07 22:41:17 +0200
commitbed2a49fe97b8f070ace2dd37909bb06540c66bd (patch)
treeaa5700adc8317362f121fea88596471ca2c7ba48 /src/output_api.h
parentdc7c6bd14d0737f4c7c09c315a6806a901cf9976 (diff)
downloadmpd-bed2a49fe97b8f070ace2dd37909bb06540c66bd.tar.gz
mpd-bed2a49fe97b8f070ace2dd37909bb06540c66bd.tar.xz
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output: added output_api.h
Just like decoder_api.h, output_api.h provides the audio output API which is used by the plugins.
Diffstat (limited to '')
-rw-r--r--src/output_api.h91
1 files changed, 91 insertions, 0 deletions
diff --git a/src/output_api.h b/src/output_api.h
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+++ b/src/output_api.h
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+/* the Music Player Daemon (MPD)
+ * Copyright (C) 2003-2007 by Warren Dukes (warren.dukes@gmail.com)
+ * Copyright (C) 2008 Max Kellermann <max@duempel.org>
+ * 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