Added property accessors for mixertrack and mixeroptions.

Original commit message from CVS:
Added property accessors for mixertrack and mixeroptions.

ChangeLog

@@ -1,3 +1,15 @@
+2004-06-01  Owen Fraser-Green  <owen@discobabe.net>
+
+	* gst-libs/gst/mixer/mixertrack.h: Changed struct syntax
+	* gst-libs/gst/mixer/mixertrack.c:
+	(gst_mixer_track_get_property), (get_mixer_track_init),
+	(get_mixer_track_get_property): Added property accessors
+	* gst-libs/gst/mixer/mixeroptions.h: Changed struct syntax
+	* gst-libs/gst/mixer/mixeroptions.c:
+	(gst_mixer_options_get_values): Added	
+	* gst-libs/gst/mixer/mixer.h: Changed GstMixerClass syntax
+	* gst-libs/gst/mixer/mixer.c: Fixed comment
+
 2004-06-01  Thomas Vander Stichele  <thomas (at) apestaart (dot) org>
 
 	* ext/alsa/gstalsa.c: (gst_alsa_open_audio):

gst-libs/gst/mixer/mixer.c

@@ -256,7 +256,7 @@ gst_mixer_set_option (GstMixer * mixer, GstMixerOptions * opts, gchar * value)
 }
 
 /**
- * gst_mixer_g_option:
+ * gst_mixer_get_option:
  * @mixer: The #GstMixer (a #GstElement) that owns the optionlist.
  * @opts: The #GstMixerOptions that we operate on.
  *

gst-libs/gst/mixer/mixer.h

@@ -45,6 +45,7 @@ G_BEGIN_DECLS
 #define GST_MIXER_TYPE(klass) (klass->mixer_type)
 
 typedef struct _GstMixer GstMixer;
+typedef struct _GstMixerClass GstMixerClass;
 
 typedef enum
 {
@@ -52,7 +53,7 @@ typedef enum
   GST_MIXER_SOFTWARE
 } GstMixerType;
 
-typedef struct _GstMixerClass {
+struct _GstMixerClass {
   GTypeInterface klass;
 
   GstMixerType mixer_type;
@@ -97,7 +98,7 @@ typedef struct _GstMixerClass {
 			   gchar         *option);
 
   gpointer _gst_reserved[GST_PADDING-3];
-} GstMixerClass;
+};
 
 GType		gst_mixer_get_type	(void);
 

gst-libs/gst/mixer/mixeroptions.c

@@ -84,11 +84,30 @@ gst_mixer_options_class_init (GstMixerOptionsClass * klass)
 }
 
 static void
-gst_mixer_options_init (GstMixerOptions * channel)
+gst_mixer_options_init (GstMixerOptions * mixer_options)
 {
-  channel->values = NULL;
+  mixer_options->values = NULL;
 }
 
+/**
+ * gst_mixer_options_get_values:
+ * @mixer_optnios: The #GstMixerOptions item that owns the values.
+ *
+ * Get the values for the mixer option.
+ *
+ * Returns: A list of all the possible values for the mixer option.
+ */
+
+GList *
+gst_mixer_options_get_values (GstMixerOptions * mixer_options)
+{
+  if (!mixer_options->values)
+    return NULL;
+
+  return (GList *) mixer_options->values;
+}
+
+
 static void
 gst_mixer_options_dispose (GObject * object)
 {

gst-libs/gst/mixer/mixeroptions.h

@@ -42,26 +42,32 @@ G_BEGIN_DECLS
 #define GST_IS_MIXER_OPTIONS_CLASS(klass) \
   (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_MIXER_OPTIONS))
 
-typedef struct _GstMixerOptions {
+typedef struct _GstMixerOptions GstMixerOptions;
+typedef struct _GstMixerOptionsClass GstMixerOptionsClass;
+
+struct _GstMixerOptions {
   GstMixerTrack parent;
 
   /* list of strings */
   GList        *values;
 
   gpointer _gst_reserved[GST_PADDING];
-} GstMixerOptions;
+};
 
-typedef struct _GstMixerOptionsClass {
+struct _GstMixerOptionsClass {
   GstMixerTrackClass parent;
 
+  /* signals */
   void (* option_changed) (GstMixerOptions *opts,
 			   gchar           *value);
 
   gpointer _gst_reserved[GST_PADDING];
-} GstMixerOptionsClass;
+};
 
 GType		gst_mixer_options_get_type	(void);
 
+GList * gst_mixer_options_get_values (GstMixerOptions *mixer_options);
+
 G_END_DECLS
 
 #endif /* __GST_MIXER_OPTIONS_H__ */

gst-libs/gst/mixer/mixertrack.c

@@ -34,10 +34,23 @@ enum
   LAST_SIGNAL
 };
 
+enum
+{
+  ARG_0,
+  ARG_LABEL,
+  ARG_MIN_VOLUME,
+  ARG_MAX_VOLUME,
+  ARG_FLAGS,
+  ARG_NUM_CHANNELS
+};
+
 static void gst_mixer_track_class_init (GstMixerTrackClass * klass);
 static void gst_mixer_track_init (GstMixerTrack * mixer);
 static void gst_mixer_track_dispose (GObject * object);
 
+static void gst_mixer_track_get_property (GObject * object, guint prop_id,
+    GValue * value, GParamSpec * pspec);
+
 static GObjectClass *parent_class = NULL;
 static guint signals[LAST_SIGNAL] = { 0 };
 
@@ -71,10 +84,36 @@ gst_mixer_track_get_type (void)
 static void
 gst_mixer_track_class_init (GstMixerTrackClass * klass)
 {
-  GObjectClass *object_klass = (GObjectClass *) klass;
+  GObjectClass *object_klass = G_OBJECT_CLASS (klass);
 
   parent_class = g_type_class_ref (G_TYPE_OBJECT);
 
+  object_klass->get_property = gst_mixer_track_get_property;
+
+  g_object_class_install_property (object_klass, ARG_LABEL,
+      g_param_spec_string ("label", "Track label",
+          "The label assigned to the track", NULL, G_PARAM_READABLE));
+
+  g_object_class_install_property (object_klass, ARG_MIN_VOLUME,
+      g_param_spec_int ("min_volume", "Minimum volume level",
+          "The minimum possible volume level", G_MININT32, G_MAXINT,
+          0, G_PARAM_READABLE));
+
+  g_object_class_install_property (object_klass, ARG_MAX_VOLUME,
+      g_param_spec_int ("max_volume", "Maximum volume level",
+          "The maximum possible volume level", G_MININT32, G_MAXINT,
+          0, G_PARAM_READABLE));
+
+  g_object_class_install_property (object_klass, ARG_FLAGS,
+      g_param_spec_uint ("flags", "Flags",
+          "Flags indicating the type of mixer track",
+          0, G_MAXUINT32, 0, G_PARAM_READABLE));
+
+  g_object_class_install_property (object_klass, ARG_NUM_CHANNELS,
+      g_param_spec_int ("num_channels", "Number of channels",
+          "The number of channels contained within the track",
+          0, G_MAXINT, 0, G_PARAM_READABLE));
+
   signals[SIGNAL_RECORD_TOGGLED] =
       g_signal_new ("record_toggled", G_TYPE_FROM_CLASS (klass),
       G_SIGNAL_RUN_LAST,
@@ -101,12 +140,42 @@ gst_mixer_track_class_init (GstMixerTrackClass * klass)
 }
 
 static void
-gst_mixer_track_init (GstMixerTrack * channel)
+gst_mixer_track_init (GstMixerTrack * mixer_track)
 {
-  channel->label = NULL;
+  mixer_track->label = NULL;
-  channel->min_volume = channel->max_volume = 0;
+  mixer_track->min_volume = mixer_track->max_volume = 0;
-  channel->flags = 0;
+  mixer_track->flags = 0;
-  channel->num_channels = 0;
+  mixer_track->num_channels = 0;
+}
+
+static void
+gst_mixer_track_get_property (GObject * object, guint prop_id, GValue * value,
+    GParamSpec * pspec)
+{
+  GstMixerTrack *mixer_track;
+
+  mixer_track = GST_MIXER_TRACK (object);
+
+  switch (prop_id) {
+    case ARG_LABEL:
+      g_value_set_string (value, mixer_track->label);
+      break;
+    case ARG_MIN_VOLUME:
+      g_value_set_int (value, mixer_track->min_volume);
+      break;
+    case ARG_MAX_VOLUME:
+      g_value_set_int (value, mixer_track->max_volume);
+      break;
+    case ARG_FLAGS:
+      g_value_set_uint (value, (guint32) mixer_track->flags);
+      break;
+    case ARG_NUM_CHANNELS:
+      g_value_set_int (value, mixer_track->num_channels);
+      break;
+    default:
+      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+      break;
+  }
 }
 
 static void

gst-libs/gst/mixer/mixertrack.h

@@ -67,17 +67,21 @@ typedef enum {
 #define GST_MIXER_TRACK_HAS_FLAG(channel, flag) \
   ((channel)->flags & flag)
 
-typedef struct _GstMixerTrack {
+typedef struct _GstMixerTrack GstMixerTrack;
+typedef struct _GstMixerTrackClass GstMixerTrackClass;
+
+struct _GstMixerTrack {
   GObject            parent;
 
   gchar             *label;
+  /* FIXME: flags should be guint32. Change in 0.9 */
   GstMixerTrackFlags flags;
   gint               num_channels,
 	             min_volume,
 	             max_volume;
-} GstMixerTrack;
+};
 
-typedef struct _GstMixerTrackClass {
+struct _GstMixerTrackClass {
   GObjectClass parent;
 
   /* signals */
@@ -89,7 +93,7 @@ typedef struct _GstMixerTrackClass {
 			   gint          *volumes);
 
   gpointer _gst_reserved[GST_PADDING];
-} GstMixerTrackClass;
+};
 
 GType		gst_mixer_track_get_type	(void);