From 3844a3af2066326a1d956d42bd55a974ae2f3d59 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Tim-Philipp=20M=C3=BCller?= <tim@centricular.net>
Date: Sun, 4 Mar 2007 20:35:26 +0000
Subject: ext/nas/: Bunch of nassink clean-ups: make build by adding the right
 CFLAGS and LIBS to Makefile.am; rename structure...

Original commit message from CVS:
* ext/nas/Makefile.am:
* ext/nas/README:
* ext/nas/nassink.c: (gst_nas_sink_get_type),
(gst_nas_sink_base_init), (gst_nas_sink_class_init),
(gst_nas_sink_init), (gst_nas_sink_finalize),
(gst_nas_sink_getcaps), (gst_nas_sink_prepare),
(gst_nas_sink_unprepare), (gst_nas_sink_delay),
(gst_nas_sink_reset), (gst_nas_sink_write),
(gst_nas_sink_set_property), (gst_nas_sink_get_property),
(gst_nas_sink_open), (gst_nas_sink_close), (NAS_flush),
(NAS_sendData), (NAS_EventHandler), (gst_nas_sink_sink_get_format),
(NAS_createFlow), (plugin_init):
* ext/nas/nassink.h:
Bunch of nassink clean-ups: make build by adding the right CFLAGS
and LIBS to Makefile.am; rename structure, macros and functions
according to canonical naming scheme; move some things around a bit;
use GST_CAT_DEFAULT instead of GST_CAT_* everywhere; remove README
file that didn't really contain any useful information anyway (the
useful bits have been moved into the 'host' property description).
---
 ext/nas/Makefile.am |   7 +-
 ext/nas/README      |   8 --
 ext/nas/nassink.c   | 300 +++++++++++++++++++++++++---------------------------
 ext/nas/nassink.h   |  54 ++++------
 4 files changed, 173 insertions(+), 196 deletions(-)
 delete mode 100644 ext/nas/README

(limited to 'ext/nas')

diff --git a/ext/nas/Makefile.am b/ext/nas/Makefile.am
index d9fe3cb7..82d1e9b7 100644
--- a/ext/nas/Makefile.am
+++ b/ext/nas/Makefile.am
@@ -1,9 +1,10 @@
 plugin_LTLIBRARIES = libgstnassink.la
 
 libgstnassink_la_SOURCES = nassink.c
-libgstnassink_la_CFLAGS = $(GST_CFLAGS) $(NAS_CFLAGS)
-libgstnassink_la_LIBADD = $(NAS_LIBS)
+libgstnassink_la_CFLAGS = \
+	$(GST_CFLAGS) $(GST_PLUGINS_BASE_CFLAGS) $(NAS_CFLAGS)
+libgstnassink_la_LIBADD = \
+	$(GST_PLUGINS_BASE_LIBS) -lgstaudio-$(GST_MAJORMINOR) $(NAS_LIBS)
 libgstnassink_la_LDFLAGS = $(GST_PLUGIN_LDFLAGS)
 
 noinst_HEADERS = nassink.h
-EXTRA_DIST = README
diff --git a/ext/nas/README b/ext/nas/README
deleted file mode 100644
index 34b563c6..00000000
--- a/ext/nas/README
+++ /dev/null
@@ -1,8 +0,0 @@
-The nassink plugin
-==================
-
-The nassink plugin is for outputting an audio stream to a Network Audio Server (NCD X/Terminal)
-
-nassink has arguments that it accepts:
- - 'mute'      (boolean value)
- - 'host'      (name of X/Terminal, default is $AUDIOSERVER or $DISPLAY)
diff --git a/ext/nas/nassink.c b/ext/nas/nassink.c
index cd202dc9..e2f44549 100644
--- a/ext/nas/nassink.c
+++ b/ext/nas/nassink.c
@@ -24,6 +24,7 @@
 #ifdef HAVE_CONFIG_H
 #include "config.h"
 #endif
+
 #include <gst/gst.h>
 #include <string.h>
 #include <audio/audiolib.h>
@@ -32,13 +33,8 @@
 
 #define NAS_SOUND_PORT_DURATION (2)
 
-GST_DEBUG_CATEGORY (NAS);
-/* Signals and args */
-enum
-{
-  /* FILL ME */
-  LAST_SIGNAL
-};
+GST_DEBUG_CATEGORY_STATIC (nas_debug);
+#define GST_CAT_DEFAULT nas_debug
 
 enum
 {
@@ -47,6 +43,9 @@ enum
   ARG_HOST
 };
 
+#define DEFAULT_MUTE  FALSE
+#define DEFAULT_HOST  NULL
+
 static GstStaticPadTemplate sink_factory = GST_STATIC_PAD_TEMPLATE ("sink",
     GST_PAD_SINK,
     GST_PAD_ALWAYS,
@@ -64,81 +63,81 @@ static GstStaticPadTemplate sink_factory = GST_STATIC_PAD_TEMPLATE ("sink",
         "rate = (int) [ 1000, 96000 ], " "channels = (int) [ 1, 2 ]")
     );
 
-static void gst_nassink_base_init (gpointer g_class);
-static void gst_nassink_class_init (GstNassinkClass * klass);
-static void gst_nassink_init (GstNassink * nassink);
-static void gst_nassink_finalize (GObject * object);
+static void gst_nas_sink_base_init (gpointer g_class);
+static void gst_nas_sink_class_init (GstNasSinkClass * klass);
+static void gst_nas_sink_init (GstNasSink * nassink);
+static void gst_nas_sink_finalize (GObject * object);
 
-static gboolean gst_nassink_open (GstAudioSink * sink);
-static gboolean gst_nassink_close (GstAudioSink * sink);
-static gboolean gst_nassink_prepare (GstAudioSink * sink,
+static gboolean gst_nas_sink_open (GstAudioSink * sink);
+static gboolean gst_nas_sink_close (GstAudioSink * sink);
+static gboolean gst_nas_sink_prepare (GstAudioSink * sink,
     GstRingBufferSpec * spec);
-static gboolean gst_nassink_unprepare (GstAudioSink * sink);
-static guint gst_nassink_write (GstAudioSink * asink, gpointer data,
+static gboolean gst_nas_sink_unprepare (GstAudioSink * sink);
+static guint gst_nas_sink_write (GstAudioSink * asink, gpointer data,
     guint length);
-static guint gst_nassink_delay (GstAudioSink * asink);
-static void gst_nassink_reset (GstAudioSink * asink);
-static GstCaps *gst_nassink_getcaps (GstBaseSink * pad);
+static guint gst_nas_sink_delay (GstAudioSink * asink);
+static void gst_nas_sink_reset (GstAudioSink * asink);
+static GstCaps *gst_nas_sink_getcaps (GstBaseSink * pad);
 
-static void gst_nassink_set_property (GObject * object, guint prop_id,
+static void gst_nas_sink_set_property (GObject * object, guint prop_id,
     const GValue * value, GParamSpec * pspec);
-static void gst_nassink_get_property (GObject * object, guint prop_id,
+static void gst_nas_sink_get_property (GObject * object, guint prop_id,
     GValue * value, GParamSpec * pspec);
 
-static void NAS_flush (GstNassink * sink);
-static void NAS_sendData (GstNassink * sink, AuUint32 numBytes);
+static void NAS_flush (GstNasSink * sink);
+static void NAS_sendData (GstNasSink * sink, AuUint32 numBytes);
 static AuBool NAS_EventHandler (AuServer * aud, AuEvent * ev,
     AuEventHandlerRec * handler);
 static AuDeviceID NAS_getDevice (AuServer * aud, int numTracks);
-static int NAS_createFlow (GstNassink * sink, GstRingBufferSpec * spec);
+static int NAS_createFlow (GstNasSink * sink, GstRingBufferSpec * spec);
 
 static GstElementClass *parent_class = NULL;
 
+static const GstElementDetails nas_sink_details =
+GST_ELEMENT_DETAILS ("NAS audio sink",
+    "Sink/Audio",
+    "Plays audio to a Network Audio Server",
+    "Laurent Vivier <Laurent.Vivier@bull.net>, "
+    "Arwed v. Merkatz <v.merkatz@gmx.net>");
+
 GType
-gst_nassink_get_type (void)
+gst_nas_sink_get_type (void)
 {
-  static GType nassink_type = 0;
+  static GType nas_sink_type = 0;
 
-  if (!nassink_type) {
-    static const GTypeInfo nassink_info = {
-      sizeof (GstNassinkClass),
-      gst_nassink_base_init,
+  if (!nas_sink_type) {
+    static const GTypeInfo nas_sink_info = {
+      sizeof (GstNasSinkClass),
+      gst_nas_sink_base_init,
       NULL,
-      (GClassInitFunc) gst_nassink_class_init,
+      (GClassInitFunc) gst_nas_sink_class_init,
       NULL,
       NULL,
-      sizeof (GstNassink),
+      sizeof (GstNasSink),
       0,
-      (GInstanceInitFunc) gst_nassink_init,
+      (GInstanceInitFunc) gst_nas_sink_init,
     };
 
-    nassink_type =
-        g_type_register_static (GST_TYPE_AUDIO_SINK, "GstNassink",
-        &nassink_info, 0);
+    nas_sink_type =
+        g_type_register_static (GST_TYPE_AUDIO_SINK, "GstNasSink",
+        &nas_sink_info, 0);
   }
 
-  return nassink_type;
+  return nas_sink_type;
 }
 
 static void
-gst_nassink_base_init (gpointer g_class)
+gst_nas_sink_base_init (gpointer g_class)
 {
-  static const GstElementDetails nassink_details =
-      GST_ELEMENT_DETAILS ("NAS audio sink",
-      "Sink/Audio",
-      "Plays audio to a Network Audio Server",
-      "Laurent Vivier <Laurent.Vivier@bull.net>, "
-      "Arwed v. Merkatz <v.merkatz@gmx.net>");
   GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
 
   gst_element_class_add_pad_template (element_class,
       gst_static_pad_template_get (&sink_factory));
-  gst_element_class_set_details (element_class, &nassink_details);
-  GST_DEBUG_CATEGORY_INIT (NAS, "NAS", 0, NULL);
+  gst_element_class_set_details (element_class, &nas_sink_details);
 }
 
 static void
-gst_nassink_class_init (GstNassinkClass * klass)
+gst_nas_sink_class_init (GstNasSinkClass * klass)
 {
   GObjectClass *gobject_class;
   GstBaseSinkClass *gstbasesink_class;
@@ -148,55 +147,54 @@ gst_nassink_class_init (GstNassinkClass * klass)
   gstbasesink_class = (GstBaseSinkClass *) klass;
   gstaudiosink_class = (GstAudioSinkClass *) klass;
 
-  if (parent_class == NULL)
-    parent_class = g_type_class_peek_parent (klass);
-
-  gobject_class->set_property = GST_DEBUG_FUNCPTR (gst_nassink_set_property);
-  gobject_class->get_property = GST_DEBUG_FUNCPTR (gst_nassink_get_property);
-  gobject_class->finalize = GST_DEBUG_FUNCPTR (gst_nassink_finalize);
-
-  g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_MUTE, g_param_spec_boolean ("mute", "mute", "mute", TRUE, G_PARAM_READWRITE));   /* CHECKME */
-  g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_HOST, g_param_spec_string ("host", "host", "host", NULL, G_PARAM_READWRITE));    /* CHECKME */
-
-  gstbasesink_class->get_caps = GST_DEBUG_FUNCPTR (gst_nassink_getcaps);
-
-  gstaudiosink_class->open = GST_DEBUG_FUNCPTR (gst_nassink_open);
-  gstaudiosink_class->close = GST_DEBUG_FUNCPTR (gst_nassink_close);
-  gstaudiosink_class->prepare = GST_DEBUG_FUNCPTR (gst_nassink_prepare);
-  gstaudiosink_class->unprepare = GST_DEBUG_FUNCPTR (gst_nassink_unprepare);
-  gstaudiosink_class->write = GST_DEBUG_FUNCPTR (gst_nassink_write);
-  gstaudiosink_class->delay = GST_DEBUG_FUNCPTR (gst_nassink_delay);
-  gstaudiosink_class->reset = GST_DEBUG_FUNCPTR (gst_nassink_reset);
+  parent_class = g_type_class_peek_parent (klass);
+
+  gobject_class->set_property = GST_DEBUG_FUNCPTR (gst_nas_sink_set_property);
+  gobject_class->get_property = GST_DEBUG_FUNCPTR (gst_nas_sink_get_property);
+  gobject_class->finalize = GST_DEBUG_FUNCPTR (gst_nas_sink_finalize);
+
+  g_object_class_install_property (gobject_class, ARG_MUTE,
+      g_param_spec_boolean ("mute", "mute", "Whether to mute playback",
+          DEFAULT_MUTE, G_PARAM_READWRITE | G_PARAM_CONSTRUCT));
+  g_object_class_install_property (gobject_class, ARG_HOST,
+      g_param_spec_string ("host", "host",
+          "host running the NAS daemon (name of X/Terminal, default is "
+          "$AUDIOSERVER or $DISPLAY)", DEFAULT_HOST,
+          G_PARAM_READWRITE | G_PARAM_CONSTRUCT));
+
+  gstbasesink_class->get_caps = GST_DEBUG_FUNCPTR (gst_nas_sink_getcaps);
+
+  gstaudiosink_class->open = GST_DEBUG_FUNCPTR (gst_nas_sink_open);
+  gstaudiosink_class->close = GST_DEBUG_FUNCPTR (gst_nas_sink_close);
+  gstaudiosink_class->prepare = GST_DEBUG_FUNCPTR (gst_nas_sink_prepare);
+  gstaudiosink_class->unprepare = GST_DEBUG_FUNCPTR (gst_nas_sink_unprepare);
+  gstaudiosink_class->write = GST_DEBUG_FUNCPTR (gst_nas_sink_write);
+  gstaudiosink_class->delay = GST_DEBUG_FUNCPTR (gst_nas_sink_delay);
+  gstaudiosink_class->reset = GST_DEBUG_FUNCPTR (gst_nas_sink_reset);
 }
 
 static void
-gst_nassink_init (GstNassink * nassink)
+gst_nas_sink_init (GstNasSink * nassink)
 {
-  GST_CAT_DEBUG (NAS, "nassink: init");
-
-  nassink->mute = FALSE;
-  nassink->host = g_strdup (getenv ("AUDIOSERVER"));
-  if (nassink->host == NULL)
-    nassink->host = g_strdup (getenv ("DISPLAY"));
-
+  /* properties will automatically be set to their default values */
   nassink->audio = NULL;
   nassink->flow = AuNone;
   nassink->need_data = 0;
 }
 
 static void
-gst_nassink_finalize (GObject * object)
+gst_nas_sink_finalize (GObject * object)
 {
-  GstNassink *nassink = GST_NASSINK (object);
+  GstNasSink *nassink = GST_NAS_SINK (object);
 
   g_free (nassink->host);
   G_OBJECT_CLASS (parent_class)->finalize (object);
 }
 
 static GstCaps *
-gst_nassink_getcaps (GstBaseSink * bsink)
+gst_nas_sink_getcaps (GstBaseSink * bsink)
 {
-  GstNassink *nassink = GST_NASSINK (bsink);
+  GstNasSink *nassink = GST_NAS_SINK (bsink);
   GstCaps *templatecaps =
       gst_caps_copy (gst_pad_get_pad_template_caps (GST_BASE_SINK_PAD (bsink)));
   GstCaps *caps;
@@ -223,20 +221,20 @@ gst_nassink_getcaps (GstBaseSink * bsink)
 }
 
 static gboolean
-gst_nassink_prepare (GstAudioSink * asink, GstRingBufferSpec * spec)
+gst_nas_sink_prepare (GstAudioSink * asink, GstRingBufferSpec * spec)
 {
-  GstNassink *sink = GST_NASSINK (asink);
+  GstNasSink *sink = GST_NAS_SINK (asink);
 
   /*spec->bytes_per_sample = sink->rate * NAS_SOUND_PORT_DURATION; */
   /*spec->bytes_per_sample = (spec->width / 8) * spec->channels; */
   memset (spec->silence_sample, 0, spec->bytes_per_sample);
-  GST_CAT_DEBUG (NAS, "Sample %d", spec->bytes_per_sample);
+  GST_DEBUG_OBJECT (sink, "Sample %d", spec->bytes_per_sample);
 
   if (sink->audio == NULL)
     return TRUE;
 
   if (sink->flow != AuNone) {
-    GST_CAT_DEBUG (NAS, "flushing buffer");
+    GST_DEBUG_OBJECT (sink, "flushing buffer");
     NAS_flush (sink);
     AuStopFlow (sink->audio, sink->flow, NULL);
     AuReleaseScratchFlow (sink->audio, sink->flow, NULL);
@@ -247,32 +245,33 @@ gst_nassink_prepare (GstAudioSink * asink, GstRingBufferSpec * spec)
 }
 
 static gboolean
-gst_nassink_unprepare (GstAudioSink * asink)
+gst_nas_sink_unprepare (GstAudioSink * asink)
 {
-  //GstNassink *sink = GST_NASSINK (asink);
+  //GstNasSink *sink = GST_NAS_SINK (asink);
   return TRUE;
 }
 
 static guint
-gst_nassink_delay (GstAudioSink * asink)
+gst_nas_sink_delay (GstAudioSink * asink)
 {
-  GST_CAT_DEBUG (NAS, "nassink_delay");
+  GST_DEBUG_OBJECT (asink, "nas_sink_delay");
   return 0;
 }
 
 static void
-gst_nassink_reset (GstAudioSink * asink)
+gst_nas_sink_reset (GstAudioSink * asink)
 {
-  GstNassink *sink = GST_NASSINK (asink);
+  GstNasSink *sink = GST_NAS_SINK (asink);
+
+  GST_DEBUG_OBJECT (sink, "reset");
 
-  GST_CAT_DEBUG (NAS, "nassink_reset");
   NAS_flush (sink);
 }
 
 static guint
-gst_nassink_write (GstAudioSink * asink, gpointer data, guint length)
+gst_nas_sink_write (GstAudioSink * asink, gpointer data, guint length)
 {
-  GstNassink *nassink = GST_NASSINK (asink);
+  GstNasSink *nassink = GST_NAS_SINK (asink);
   int used = 0;
 
   NAS_flush (nassink);
@@ -293,25 +292,24 @@ gst_nassink_write (GstAudioSink * asink, gpointer data, guint length)
 }
 
 static void
-gst_nassink_set_property (GObject * object, guint prop_id, const GValue * value,
-    GParamSpec * pspec)
+gst_nas_sink_set_property (GObject * object, guint prop_id,
+    const GValue * value, GParamSpec * pspec)
 {
-  GstNassink *nassink;
+  GstNasSink *nassink;
 
-  g_return_if_fail (GST_IS_NASSINK (object));
-  nassink = GST_NASSINK (object);
+  nassink = GST_NAS_SINK (object);
 
   switch (prop_id) {
     case ARG_MUTE:
       nassink->mute = g_value_get_boolean (value);
       break;
     case ARG_HOST:
-      if (nassink->host != NULL)
-        g_free (nassink->host);
-      if (g_value_get_string (value) == NULL)
-        nassink->host = NULL;
-      else
-        nassink->host = g_strdup (g_value_get_string (value));
+      g_free (nassink->host);
+      nassink->host = g_value_dup_string (value);
+      if (nassink->host == NULL)
+        nassink->host = g_strdup (getenv ("AUDIOSERVER"));
+      if (nassink->host == NULL)
+        nassink->host = g_strdup (getenv ("DISPLAY"));
       break;
     default:
       G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
@@ -320,14 +318,12 @@ gst_nassink_set_property (GObject * object, guint prop_id, const GValue * value,
 }
 
 static void
-gst_nassink_get_property (GObject * object, guint prop_id, GValue * value,
+gst_nas_sink_get_property (GObject * object, guint prop_id, GValue * value,
     GParamSpec * pspec)
 {
-  GstNassink *nassink;
-
-  g_return_if_fail (GST_IS_NASSINK (object));
+  GstNasSink *nassink;
 
-  nassink = GST_NASSINK (object);
+  nassink = GST_NAS_SINK (object);
 
   switch (prop_id) {
     case ARG_MUTE:
@@ -343,29 +339,13 @@ gst_nassink_get_property (GObject * object, guint prop_id, GValue * value,
 }
 
 static gboolean
-plugin_init (GstPlugin * plugin)
+gst_nas_sink_open (GstAudioSink * asink)
 {
-  if (!gst_element_register (plugin, "nassink", GST_RANK_NONE,
-          GST_TYPE_NASSINK)) {
-    return FALSE;
-  }
+  GstNasSink *sink = GST_NAS_SINK (asink);
 
-  return TRUE;
-}
-
-GST_PLUGIN_DEFINE (GST_VERSION_MAJOR,
-    GST_VERSION_MINOR,
-    "nassink",
-    "uses NAS for audio output",
-    plugin_init, VERSION, "LGPL", GST_PACKAGE_NAME, GST_PACKAGE_ORIGIN);
-
-static gboolean
-gst_nassink_open (GstAudioSink * asink)
-{
-  GstNassink *sink = GST_NASSINK (asink);
+  GST_DEBUG_OBJECT (sink, "opening, host = '%s'", GST_STR_NULL (sink->host));
 
   /* Open Server */
-
   sink->audio = AuOpenServer (sink->host, 0, NULL, 0, NULL, NULL);
   if (sink->audio == NULL)
     return FALSE;
@@ -373,17 +353,14 @@ gst_nassink_open (GstAudioSink * asink)
   sink->need_data = 0;
 
   /* Start a flow */
-
-  GST_OBJECT_FLAG_SET (sink, GST_NASSINK_OPEN);
-
-  GST_CAT_DEBUG (NAS, "opened audio device");
+  GST_DEBUG_OBJECT (asink, "opened audio device");
   return TRUE;
 }
 
 static gboolean
-gst_nassink_close (GstAudioSink * asink)
+gst_nas_sink_close (GstAudioSink * asink)
 {
-  GstNassink *sink = GST_NASSINK (asink);
+  GstNasSink *sink = GST_NAS_SINK (asink);
 
   if (sink->audio == NULL)
     return TRUE;
@@ -401,14 +378,12 @@ gst_nassink_close (GstAudioSink * asink)
   AuCloseServer (sink->audio);
   sink->audio = NULL;
 
-  GST_OBJECT_FLAG_UNSET (sink, GST_NASSINK_OPEN);
-
-  GST_CAT_DEBUG (NAS, "closed audio device");
+  GST_DEBUG_OBJECT (sink, "closed audio device");
   return TRUE;
 }
 
 static void
-NAS_flush (GstNassink * sink)
+NAS_flush (GstNasSink * sink)
 {
   AuEvent ev;
 
@@ -417,7 +392,7 @@ NAS_flush (GstNassink * sink)
 }
 
 static void
-NAS_sendData (GstNassink * sink, AuUint32 numBytes)
+NAS_sendData (GstNasSink * sink, AuUint32 numBytes)
 {
   sink->need_data += numBytes;
   return;
@@ -426,7 +401,7 @@ NAS_sendData (GstNassink * sink, AuUint32 numBytes)
 static AuBool
 NAS_EventHandler (AuServer * aud, AuEvent * ev, AuEventHandlerRec * handler)
 {
-  GstNassink *sink = (GstNassink *) handler->data;
+  GstNasSink *sink = (GstNasSink *) handler->data;
   AuElementNotifyEvent *notify;
 
   switch (ev->type) {
@@ -506,7 +481,7 @@ NAS_getDevice (AuServer * aud, int numTracks)
 }
 
 static gint
-gst_nassink_sink_get_format (const GstRingBufferSpec * spec)
+gst_nas_sink_sink_get_format (const GstRingBufferSpec * spec)
 {
   gint result;
 
@@ -537,23 +512,23 @@ gst_nassink_sink_get_format (const GstRingBufferSpec * spec)
 }
 
 static gboolean
-NAS_createFlow (GstNassink * sink, GstRingBufferSpec * spec)
+NAS_createFlow (GstNasSink * sink, GstRingBufferSpec * spec)
 {
   AuElement elements[2];
   AuUint32 buf_samples;
   unsigned char format;
 
-  format = gst_nassink_sink_get_format (spec);
+  format = gst_nas_sink_sink_get_format (spec);
   if (format == 0) {
     GST_ELEMENT_ERROR (sink, RESOURCE, SETTINGS, (NULL),
         ("Unable to get format %d", spec->format));
     return FALSE;
   }
-  GST_CAT_DEBUG (NAS, "Format: %d %d\n", spec->format, format);
+  GST_DEBUG_OBJECT (sink, "Format: %d %d\n", spec->format, format);
 
   sink->flow = AuGetScratchFlow (sink->audio, NULL);
   if (sink->flow == 0) {
-    GST_CAT_DEBUG (NAS, "couldn't get flow");
+    GST_DEBUG_OBJECT (sink, "couldn't get flow");
     return FALSE;
   }
 
@@ -568,14 +543,14 @@ NAS_createFlow (GstNassink * sink, GstRingBufferSpec * spec)
         AuGetElements (sink->audio, sink->flow, &clocked, &num_elements,
         &status);
     if (num_elements > 0) {
-      GST_CAT_DEBUG (NAS, "GetElements status: %i", status);
+      GST_DEBUG_OBJECT (sink, "GetElements status: %i", status);
       if (oldelems)
         AuFreeElements (sink->audio, num_elements, oldelems);
-      gst_nassink_close (GST_AUDIO_SINK (sink));
-      gst_nassink_open (GST_AUDIO_SINK (sink));
+      gst_nas_sink_close (GST_AUDIO_SINK (sink));
+      gst_nas_sink_open (GST_AUDIO_SINK (sink));
       sink->flow = AuGetScratchFlow (sink->audio, NULL);
       if (sink->flow == 0) {
-        GST_CAT_DEBUG (NAS, "couldn't get flow");
+        GST_DEBUG_OBJECT (sink, "couldn't get flow");
         return FALSE;
       }
     }
@@ -592,14 +567,14 @@ NAS_createFlow (GstNassink * sink, GstRingBufferSpec * spec)
         AuGetElements (sink->audio, sink->flow, &clocked, &num_elements,
         &status);
     if (num_elements > 0) {
-      GST_CAT_DEBUG (NAS, "GetElements status: %i", status);
+      GST_DEBUG_OBJECT (sink, "GetElements status: %i", status);
       if (oldelems)
         AuFreeElements (sink->audio, num_elements, oldelems);
-      gst_nassink_close (GST_AUDIO_SINK (sink));
-      gst_nassink_open (GST_AUDIO_SINK (sink));
+      gst_nas_sink_close (GST_AUDIO_SINK (sink));
+      gst_nas_sink_open (GST_AUDIO_SINK (sink));
       sink->flow = AuGetScratchFlow (sink->audio, NULL);
       if (sink->flow == 0) {
-        GST_CAT_DEBUG (NAS, "couldn't get flow");
+        GST_DEBUG_OBJECT (sink, "couldn't get flow");
         return FALSE;
       }
     }
@@ -615,7 +590,7 @@ NAS_createFlow (GstNassink * sink, GstRingBufferSpec * spec)
   spec->segsize = buf_samples * spec->bytes_per_sample;
   spec->segtotal = 1;
 
-  GST_CAT_DEBUG (NAS, "Rate %d Format %d tracks %d bufs %d %d/%d w %d",
+  GST_DEBUG_OBJECT (sink, "Rate %d Format %d tracks %d bufs %d %d/%d w %d",
       spec->rate, format, spec->channels, buf_samples, spec->segsize,
       spec->segtotal, spec->width);
   AuMakeElementImportClient (&elements[0],      /* element */
@@ -631,7 +606,7 @@ NAS_createFlow (GstNassink * sink, GstRingBufferSpec * spec)
 
   sink->device = NAS_getDevice (sink->audio, spec->channels);
   if (sink->device == AuNone) {
-    GST_CAT_DEBUG (NAS, "no device with %i tracks found", spec->channels);
+    GST_DEBUG_OBJECT (sink, "no device with %i tracks found", spec->channels);
     return FALSE;
   }
 
@@ -661,3 +636,22 @@ NAS_createFlow (GstNassink * sink, GstRingBufferSpec * spec)
 
   return TRUE;
 }
+
+static gboolean
+plugin_init (GstPlugin * plugin)
+{
+  GST_DEBUG_CATEGORY_INIT (nas_debug, "NAS", 0, NULL);
+
+  if (!gst_element_register (plugin, "nassink", GST_RANK_NONE,
+          GST_TYPE_NAS_SINK)) {
+    return FALSE;
+  }
+
+  return TRUE;
+}
+
+GST_PLUGIN_DEFINE (GST_VERSION_MAJOR,
+    GST_VERSION_MINOR,
+    "nas",
+    "NAS (Network Audio System) support for GStreamer",
+    plugin_init, VERSION, GST_LICENSE, GST_PACKAGE_NAME, GST_PACKAGE_ORIGIN);
diff --git a/ext/nas/nassink.h b/ext/nas/nassink.h
index c78f4192..603176bd 100644
--- a/ext/nas/nassink.h
+++ b/ext/nas/nassink.h
@@ -18,39 +18,33 @@
  */
 
 
-#ifndef __GST_NASSINK_H__
-#define __GST_NASSINK_H__
+#ifndef __GST_NAS_SINK_H__
+#define __GST_NAS_SINK_H__
 
 #include <gst/gst.h>
 #include <gst/audio/gstaudiosink.h>
 
-#ifdef __cplusplus
-extern "C" {
-#endif /* __cplusplus */
+G_BEGIN_DECLS
 
+#define GST_TYPE_NAS_SINK \
+  (gst_nas_sink_get_type())
+#define GST_NAS_SINK(obj) \
+  (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_NAS_SINK,GstNasSink))
+#define GST_NAS_SINK_CLASS(klass) \
+  (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_NAS_SINK,GstNasSinkClass))
+#define GST_IS_NAS_SINK(obj) \
+  (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_NAS_SINK))
+#define GST_IS_NAS_SINK_CLASS(klass) \
+  (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_NAS_SINK))
 
-#define GST_TYPE_NASSINK \
-  (gst_nassink_get_type())
-#define GST_NASSINK(obj) \
-  (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_NASSINK,GstNassink))
-#define GST_NASSINK_CLASS(klass) \
-  (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_NASSINK,GstNassinkClass))
-#define GST_IS_NASSINK(obj) \
-  (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_NASSINK))
-#define GST_IS_NASSINK_CLASS(klass) \
-  (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_NASSINK))
+typedef struct _GstNasSink GstNasSink;
+typedef struct _GstNasSinkClass GstNasSinkClass;
 
-typedef enum {
-  GST_NASSINK_OPEN            = (GST_ELEMENT_FLAG_LAST << 0),
-  GST_NASSINK_FLAG_LAST       = (GST_ELEMENT_FLAG_LAST << 2)
-} GstNasSinkFlags;
-
-typedef struct _GstNassink GstNassink;
-typedef struct _GstNassinkClass GstNassinkClass;
-
-struct _GstNassink {
+struct _GstNasSink {
   GstAudioSink audiosink;
 
+  /*< private >*/
+
   /* instance properties */
 
   gboolean mute;
@@ -67,16 +61,12 @@ struct _GstNassink {
   AuUint32 need_data;
 };
 
-struct _GstNassinkClass {
+struct _GstNasSinkClass {
   GstAudioSinkClass parent_class;
 };
 
-GType gst_nassink_get_type(void);
-
-
-#ifdef __cplusplus
-}
-#endif /* __cplusplus */
+GType gst_nas_sink_get_type(void);
 
+G_END_DECLS
 
-#endif /* __GST_NASSINK_H__ */
+#endif /* __GST_NAS_SINK_H__ */
-- 
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