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-rw-r--r--gst-libs/gst/propertyprobe/propertyprobe.c236
-rw-r--r--gst-libs/gst/propertyprobe/propertyprobe.h62
2 files changed, 202 insertions, 96 deletions
diff --git a/gst-libs/gst/propertyprobe/propertyprobe.c b/gst-libs/gst/propertyprobe/propertyprobe.c
index f0cfe940..a8de4a9a 100644
--- a/gst-libs/gst/propertyprobe/propertyprobe.c
+++ b/gst-libs/gst/propertyprobe/propertyprobe.c
@@ -23,15 +23,17 @@
#include "config.h"
#endif
-#include <gst/propertyprobe/propertyprobe.h>
+#include <string.h>
-static void gst_property_probe_iface_init (GstPropertyProbeInterface *iface);
+#include "propertyprobe.h"
enum {
- NEED_PROBE,
+ SIGNAL_PROBE_NEEDED,
LAST_SIGNAL
};
+static void gst_property_probe_iface_init (GstPropertyProbeInterface *iface);
+
static guint gst_property_probe_signals[LAST_SIGNAL] = { 0 };
GType
@@ -52,11 +54,10 @@ gst_property_probe_get_type (void)
NULL,
};
- gst_property_probe_type = g_type_register_static (G_TYPE_INTERFACE,
- "GstPropertyProbe",
- &gst_property_probe_info, 0);
-
- g_type_interface_add_prerequisite (gst_property_probe_type, G_TYPE_OBJECT);
+ gst_property_probe_type =
+ g_type_register_static (G_TYPE_INTERFACE,
+ "GstPropertyProbe",
+ &gst_property_probe_info, 0);
}
return gst_property_probe_type;
@@ -68,109 +69,190 @@ gst_property_probe_iface_init (GstPropertyProbeInterface *iface)
static gboolean initialized = FALSE;
if (!initialized) {
- gst_property_probe_signals[NEED_PROBE] =
- g_signal_new ("need_probe",
- GST_TYPE_PROPERTY_PROBE,
- G_SIGNAL_RUN_LAST,
- G_STRUCT_OFFSET (GstPropertyProbeInterface, need_probe),
- NULL,
- NULL,
- gst_marshal_VOID__STRING,
- G_TYPE_NONE, 1,
- G_TYPE_STRING);
-
+ gst_property_probe_signals[SIGNAL_PROBE_NEEDED] =
+ g_signal_new ("probe_needed", G_TYPE_FROM_CLASS (iface), G_SIGNAL_RUN_LAST,
+ G_STRUCT_OFFSET (GstPropertyProbeInterface, probe_needed),
+ NULL, NULL, g_cclosure_marshal_VOID__POINTER,
+ G_TYPE_NONE, 1, G_TYPE_POINTER);
initialized = TRUE;
}
/* default virtual functions */
- iface->get_list = NULL;
- iface->probe_property = NULL;
- iface->get_property_info = NULL;
- iface->is_probed = NULL;
+ iface->get_properties = NULL;
+ iface->get_values = NULL;
}
-char **
-gst_property_probe_get_list (GstElement *element)
+const GList *
+gst_property_probe_get_properties (GstPropertyProbe *probe)
{
GstPropertyProbeInterface *iface;
-
- g_return_val_if_fail (GST_IS_PROPERTY_PROBE (element), NULL);
- iface = GST_PROPERTY_PROBE_GET_IFACE (element);
- if (iface->get_list) {
- return iface->get_list (element);
+ g_return_val_if_fail (probe != NULL, NULL);
+
+ iface = GST_PROPERTY_PROBE_GET_IFACE (probe);
+
+ if (iface->get_properties)
+ return iface->get_properties (probe);
+
+ return NULL;
+}
+
+const GParamSpec *
+gst_property_probe_get_property (GstPropertyProbe *probe,
+ const gchar *name)
+{
+ const GList *pspecs = gst_property_probe_get_properties (probe);
+
+ g_return_val_if_fail (probe != NULL, NULL);
+ g_return_val_if_fail (name != NULL, NULL);
+
+ while (pspecs) {
+ const GParamSpec *pspec = pspecs->data;
+
+ if (!strcmp (pspec->name, name))
+ return pspec;
+
+ pspecs = pspecs->next;
}
return NULL;
}
void
-gst_property_probe_probe_property (GstElement *element,
- const char *property)
+gst_property_probe_probe_property (GstPropertyProbe *probe,
+ const GParamSpec *pspec)
{
GstPropertyProbeInterface *iface;
- GParamSpec *ps;
-
- g_return_if_fail (GST_IS_PROPERTY_PROBE (element));
- g_return_if_fail (GST_STATE (element) == GST_STATE_NULL);
-
- ps = g_object_class_find_property (G_OBJECT_CLASS (element), property);
- if (ps == NULL) return;
-
- iface = GST_PROPERTY_PROBE_GET_IFACE (element);
- if (iface->probe_property) {
- iface->probe_property (element, ps);
- }
+
+ g_return_if_fail (probe != NULL);
+ g_return_if_fail (pspec != NULL);
+
+ iface = GST_PROPERTY_PROBE_GET_IFACE (probe);
+
+ if (iface->probe_property)
+ iface->probe_property (probe, pspec->param_id, pspec);
}
-gchar **
-gst_property_probe_get_property_info (GstElement *element,
- const gchar *property)
+void
+gst_property_probe_probe_property_name (GstPropertyProbe *probe,
+ const gchar *name)
{
- GstPropertyProbeInterface *iface;
- GParamSpec *ps;
-
- g_return_val_if_fail (GST_IS_PROPERTY_PROBE (element), NULL);
-
- ps = g_object_class_find_property (G_OBJECT_CLASS (element), property);
- if (ps == NULL) return NULL;
-
- iface = GST_PROPERTY_PROBE_GET_IFACE (element);
- if (iface->get_property_info) {
- return iface->get_property_info (element, ps);
+ const GParamSpec *pspec;
+
+ g_return_if_fail (probe != NULL);
+ g_return_if_fail (name != NULL);
+
+ pspec = g_object_class_find_property (G_OBJECT_CLASS (probe), name);
+ if (!pspec) {
+ g_warning ("No such property %s", name);
+ return;
}
- return NULL;
+
+ gst_property_probe_probe_property (probe, pspec);
}
gboolean
-gst_property_probe_is_probed (GstElement *element,
- const char *property)
+gst_property_probe_needs_probe (GstPropertyProbe *probe,
+ const GParamSpec *pspec)
{
GstPropertyProbeInterface *iface;
- GParamSpec *ps;
-
- g_return_val_if_fail (GST_IS_PROPERTY_PROBE (element), FALSE);
- ps = g_object_class_find_property (G_OBJECT_CLASS (element), property);
- if (ps == NULL) return FALSE;
+ g_return_val_if_fail (probe != NULL, FALSE);
+ g_return_val_if_fail (pspec != NULL, FALSE);
+
+ iface = GST_PROPERTY_PROBE_GET_IFACE (probe);
+
+ if (iface->needs_probe)
+ return iface->needs_probe (probe, pspec->param_id, pspec);
- iface = GST_PROPERTY_PROBE_GET_IFACE (element);
- if (iface->is_probed) {
- return iface->is_probed (element, ps);
- }
return FALSE;
}
-gchar **
-gst_property_probe_get_possibilities (GstElement *element,
- const char *property)
+gboolean
+gst_property_probe_needs_probe_name (GstPropertyProbe *probe,
+ const gchar *name)
+{
+ const GParamSpec *pspec;
+
+ g_return_val_if_fail (probe != NULL, FALSE);
+ g_return_val_if_fail (name != NULL, FALSE);
+
+ pspec = g_object_class_find_property (G_OBJECT_CLASS (probe), name);
+ if (!pspec) {
+ g_warning ("No such property %s", name);
+ return FALSE;
+ }
+
+ return gst_property_probe_needs_probe (probe, pspec);
+}
+
+GValueArray *
+gst_property_probe_get_values (GstPropertyProbe *probe,
+ const GParamSpec *pspec)
+{
+ GstPropertyProbeInterface *iface;
+
+ g_return_val_if_fail (probe != NULL, NULL);
+ g_return_val_if_fail (pspec != NULL, NULL);
+
+ iface = GST_PROPERTY_PROBE_GET_IFACE (probe);
+
+ if (iface->get_values)
+ return iface->get_values (probe, pspec->param_id, pspec);
+
+ return NULL;
+}
+
+GValueArray *
+gst_property_probe_get_values_name (GstPropertyProbe *probe,
+ const gchar *name)
{
- g_return_val_if_fail (GST_IS_PROPERTY_PROBE (element), NULL);
+ const GParamSpec *pspec;
+
+ g_return_val_if_fail (probe != NULL, NULL);
+ g_return_val_if_fail (name != NULL, NULL);
- if (!gst_property_probe_is_probed (element, property)){
- gst_property_probe_probe_property (element, property);
+ pspec = g_object_class_find_property (G_OBJECT_CLASS (probe), name);
+ if (!pspec) {
+ g_warning ("No such property %s", name);
+ return NULL;
}
- return gst_property_probe_get_property_info (element, property);
+ return gst_property_probe_get_values (probe, pspec);
}
+
+GValueArray *
+gst_property_probe_probe_and_get_values (GstPropertyProbe *probe,
+ const GParamSpec *pspec)
+{
+ GstPropertyProbeInterface *iface;
+
+ g_return_val_if_fail (probe != NULL, NULL);
+ g_return_val_if_fail (pspec != NULL, NULL);
+
+ iface = GST_PROPERTY_PROBE_GET_IFACE (probe);
+
+ if (gst_property_probe_needs_probe (probe, pspec))
+ gst_property_probe_probe_property (probe, pspec);
+
+ return gst_property_probe_get_values (probe, pspec);
+}
+
+GValueArray *
+gst_property_probe_probe_and_get_values_name (GstPropertyProbe *probe,
+ const gchar *name)
+{
+ const GParamSpec *pspec;
+
+ g_return_val_if_fail (probe != NULL, NULL);
+ g_return_val_if_fail (name != NULL, NULL);
+
+ pspec = g_object_class_find_property (G_OBJECT_CLASS (probe), name);
+ if (!pspec) {
+ g_warning ("No such property %s", name);
+ return NULL;
+ }
+
+ return gst_property_probe_probe_and_get_values (probe, pspec);
+}
diff --git a/gst-libs/gst/propertyprobe/propertyprobe.h b/gst-libs/gst/propertyprobe/propertyprobe.h
index 5fc9cf66..3fe08f0b 100644
--- a/gst-libs/gst/propertyprobe/propertyprobe.h
+++ b/gst-libs/gst/propertyprobe/propertyprobe.h
@@ -41,32 +41,56 @@ typedef struct _GstPropertyProbeInterface {
GTypeInterface klass;
/* signals */
- void (*need_probe) (GstPropertyProbe *property_probe, const gchar *property);
+ void (*probe_needed) (GstPropertyProbe *probe,
+ const GParamSpec *pspec);
/* virtual functions */
- gchar ** (*get_list) (GstElement *property_probe);
- void (*probe_property) (GstElement *property_probe, const GParamSpec *property);
- gchar ** (*get_property_info) (GstElement *property_probe,
- const GParamSpec *property);
- gboolean (*is_probed) (GstElement *element, const GParamSpec *property);
-
+ const GList * (*get_properties) (GstPropertyProbe *probe);
+ gboolean (*needs_probe) (GstPropertyProbe *probe,
+ guint prop_id,
+ const GParamSpec *pspec);
+ void (*probe_property) (GstPropertyProbe *probe,
+ guint prop_id,
+ const GParamSpec *pspec);
+ GValueArray * (*get_values) (GstPropertyProbe *probe,
+ guint prop_id,
+ const GParamSpec *pspec);
+
GST_CLASS_PADDING
} GstPropertyProbeInterface;
-GType gst_property_probe_get_type (void);
+GType gst_property_probe_get_type (void);
/* virtual class function wrappers */
-gchar ** gst_property_probe_get_list (GstElement *element);
-void gst_property_probe_probe_property (GstElement *element,
- const gchar *property);
-gchar ** gst_property_probe_get_property_info (GstElement *element,
- const gchar *property);
-gboolean gst_property_probe_is_probed (GstElement *element,
- const gchar *property);
-
-/* utility functions */
-gchar ** gst_property_probe_get_possibilities (GstElement *element,
- const gchar *property);
+
+/* returns list of GParamSpecs */
+const GList * gst_property_probe_get_properties (GstPropertyProbe *probe);
+const GParamSpec *gst_property_probe_get_property (GstPropertyProbe *probe,
+ const gchar *name);
+
+/* probe one property */
+void gst_property_probe_probe_property (GstPropertyProbe *probe,
+ const GParamSpec *pspec);
+void gst_property_probe_probe_property_name (GstPropertyProbe *probe,
+ const gchar *name);
+
+/* do we need a probe? */
+gboolean gst_property_probe_needs_probe (GstPropertyProbe *probe,
+ const GParamSpec *pspec);
+gboolean gst_property_probe_needs_probe_name (GstPropertyProbe *probe,
+ const gchar *name);
+
+/* returns list of GValues */
+GValueArray * gst_property_probe_get_values (GstPropertyProbe *probe,
+ const GParamSpec *pspec);
+GValueArray * gst_property_probe_get_values_name (GstPropertyProbe *probe,
+ const gchar *name);
+
+/* sugar */
+GValueArray * gst_property_probe_probe_and_get_values (GstPropertyProbe *probe,
+ const GParamSpec *pspec);
+GValueArray * gst_property_probe_probe_and_get_values_name (GstPropertyProbe *probe,
+ const gchar *name);
G_END_DECLS