output: added output_api.h

Just like decoder_api.h, output_api.h provides the audio output API
which is used by the plugins.

15 files changed, 115 insertions, 90 deletions

diff --git a/src/Makefile.am b/src/Makefile.am
index 27fe578b..075dd75e 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -33,6 +33,7 @@ mpd_headers = \
 	ack.h \
 	audio.h \
 	audioOutput.h \
+	output_api.h \
 	buffer2array.h \
 	charConv.h \
 	command.h \
diff --git a/src/audio.c b/src/audio.c
index 0e347d6a..0650f364 100644
--- a/src/audio.c
+++ b/src/audio.c
@@ -22,6 +22,7 @@
 #include "log.h"
 #include "path.h"
 #include "client.h"
+#include "utils.h"
 #include "os_compat.h"
 
 #define AUDIO_DEVICE_STATE	"audio_device_state:"
diff --git a/src/audioOutput.c b/src/audioOutput.c
index 7e9793f9..47e6dbc9 100644
--- a/src/audioOutput.c
+++ b/src/audioOutput.c
@@ -21,6 +21,7 @@
 #include "list.h"
 #include "log.h"
 #include "pcm_utils.h"
+#include "utils.h"
 #include "os_compat.h"
 #include "audio.h"
 
diff --git a/src/audioOutput.h b/src/audioOutput.h
index d706b602..82767343 100644
--- a/src/audioOutput.h
+++ b/src/audioOutput.h
@@ -19,75 +19,14 @@
 #ifndef AUDIO_OUTPUT_H
 #define AUDIO_OUTPUT_H
 
+#include "output_api.h"
 #include "../config.h"
 
-#include "pcm_utils.h"
-#include "mpd_types.h"
-#include "audio_format.h"
-#include "tag.h"
 #include "conf.h"
-#include "utils.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);
-
-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;
-};
-
-typedef struct _AudioOutputPlugin {
-	const char *name;
-
-	AudioOutputTestDefaultDeviceFunc testDefaultDeviceFunc;
-	AudioOutputInitDriverFunc initDriverFunc;
-	AudioOutputFinishDriverFunc finishDriverFunc;
-	AudioOutputOpenDeviceFunc openDeviceFunc;
-	AudioOutputPlayFunc playFunc;
-	AudioOutputDropBufferedAudioFunc dropBufferedAudioFunc;
-	AudioOutputCloseDeviceFunc closeDeviceFunc;
-	AudioOutputSendMetadataFunc sendMetdataFunc;
-} AudioOutputPlugin;
+struct audio_format;
+struct tag;
 
 void initAudioOutputPlugins(void);
 void finishAudioOutputPlugins(void);
diff --git a/src/audioOutputs/audioOutput_alsa.c b/src/audioOutputs/audioOutput_alsa.c
index 9bb962fb..3021d59d 100644
--- a/src/audioOutputs/audioOutput_alsa.c
+++ b/src/audioOutputs/audioOutput_alsa.c
@@ -16,7 +16,7 @@
  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  */
 
-#include "../audioOutput.h"
+#include "../output_api.h"
 
 #ifdef HAVE_ALSA
 
@@ -30,9 +30,8 @@
 #define MPD_ALSA_PERIOD_TIME_US 50000
 #define MPD_ALSA_RETRY_NR 5
 
-#include "../conf.h"
+#include "../utils.h"
 #include "../log.h"
-#include "../os_compat.h"
 
 #include <alsa/asoundlib.h>
 
diff --git a/src/audioOutputs/audioOutput_ao.c b/src/audioOutputs/audioOutput_ao.c
index e7e201ad..8c049fb2 100644
--- a/src/audioOutputs/audioOutput_ao.c
+++ b/src/audioOutputs/audioOutput_ao.c
@@ -16,13 +16,12 @@
  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  */
 
-#include "../audioOutput.h"
+#include "../output_api.h"
 
 #ifdef HAVE_AO
 
-#include "../conf.h"
+#include "../utils.h"
 #include "../log.h"
-#include "../os_compat.h"
 
 #include <ao/ao.h>
 
diff --git a/src/audioOutputs/audioOutput_fifo.c b/src/audioOutputs/audioOutput_fifo.c
index 0c279667..a539856c 100644
--- a/src/audioOutputs/audioOutput_fifo.c
+++ b/src/audioOutputs/audioOutput_fifo.c
@@ -16,13 +16,11 @@
  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  */
 
-#include "../audioOutput.h"
-#include "../os_compat.h"
+#include "../output_api.h"
 
 #ifdef HAVE_FIFO
 
 #include "../log.h"
-#include "../conf.h"
 #include "../utils.h"
 #include "../timer.h"
 
diff --git a/src/audioOutputs/audioOutput_jack.c b/src/audioOutputs/audioOutput_jack.c
index d9b6010e..9fef6f43 100644
--- a/src/audioOutputs/audioOutput_jack.c
+++ b/src/audioOutputs/audioOutput_jack.c
@@ -15,12 +15,11 @@
  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  */
 
-#include "../audioOutput.h"
+#include "../output_api.h"
 
 #ifdef HAVE_JACK
 
-#include "../os_compat.h"
-#include "../conf.h"
+#include "../utils.h"
 #include "../log.h"
 
 #include <jack/jack.h>
diff --git a/src/audioOutputs/audioOutput_mvp.c b/src/audioOutputs/audioOutput_mvp.c
index 2b8ba6a0..59e40f47 100644
--- a/src/audioOutputs/audioOutput_mvp.c
+++ b/src/audioOutputs/audioOutput_mvp.c
@@ -19,12 +19,11 @@
  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  */
 
-#include "../audioOutput.h"
-#include "../os_compat.h"
+#include "../output_api.h"
 
 #ifdef HAVE_MVP
 
-#include "../conf.h"
+#include "../utils.h"
 #include "../log.h"
 
 typedef struct {
diff --git a/src/audioOutputs/audioOutput_null.c b/src/audioOutputs/audioOutput_null.c
index d6300464..ed4c4630 100644
--- a/src/audioOutputs/audioOutput_null.c
+++ b/src/audioOutputs/audioOutput_null.c
@@ -16,7 +16,7 @@
  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  */
 
-#include "../audioOutput.h"
+#include "../output_api.h"
 #include "../timer.h"
 
 static int null_initDriver(AudioOutput *audioOutput,
diff --git a/src/audioOutputs/audioOutput_oss.c b/src/audioOutputs/audioOutput_oss.c
index 0c9d408f..aea33be8 100644
--- a/src/audioOutputs/audioOutput_oss.c
+++ b/src/audioOutputs/audioOutput_oss.c
@@ -19,12 +19,11 @@
  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  */
 
-#include "../audioOutput.h"
-#include "../os_compat.h"
+#include "../output_api.h"
 
 #ifdef HAVE_OSS
 
-#include "../conf.h"
+#include "../utils.h"
 #include "../log.h"
 
 #if defined(__OpenBSD__) || defined(__NetBSD__)
diff --git a/src/audioOutputs/audioOutput_osx.c b/src/audioOutputs/audioOutput_osx.c
index 4da921b4..f0fee15e 100644
--- a/src/audioOutputs/audioOutput_osx.c
+++ b/src/audioOutputs/audioOutput_osx.c
@@ -16,12 +16,13 @@
  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  */
 
-#include "../audioOutput.h"
+#include "../output_api.h"
 
 #ifdef HAVE_OSX
 
 #include <AudioUnit/AudioUnit.h>
 
+#include "../utils.h"
 #include "../log.h"
 
 typedef struct _OsxData {
diff --git a/src/audioOutputs/audioOutput_pulse.c b/src/audioOutputs/audioOutput_pulse.c
index 70e35b4d..6151787f 100644
--- a/src/audioOutputs/audioOutput_pulse.c
+++ b/src/audioOutputs/audioOutput_pulse.c
@@ -16,13 +16,12 @@
  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  */
 
-#include "../audioOutput.h"
+#include "../output_api.h"
 
 #ifdef HAVE_PULSE
 
-#include "../conf.h"
+#include "../utils.h"
 #include "../log.h"
-#include "../os_compat.h"
 
 #include <pulse/simple.h>
 #include <pulse/error.h>
diff --git a/src/audioOutputs/audioOutput_shout.c b/src/audioOutputs/audioOutput_shout.c
index e5d87dbf..c7677555 100644
--- a/src/audioOutputs/audioOutput_shout.c
+++ b/src/audioOutputs/audioOutput_shout.c
@@ -16,13 +16,12 @@
  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  */
 
-#include "../audioOutput.h"
+#include "../output_api.h"
 
 #ifdef HAVE_SHOUT
 
-#include "../conf.h"
+#include "../utils.h"
 #include "../log.h"
-#include "../pcm_utils.h"
 #include "../timer.h"
 
 #include <shout/shout.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 <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