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- Added property to select predefined resolver functions

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Original commit message from CVS:
- Added property to select predefined resolver functions
- Added GType resolver
This commit is contained in:
Wim Taymans 2003-01-05 20:34:24 +00:00
parent bc5a5b19a1
commit 481d542823
2 changed files with 139 additions and 23 deletions
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149
gst/gstindex.c
View file

@ -24,6 +24,7 @@
#include "gst_private.h"
#include "gstregistry.h"
#include "gstpad.h"
#include "gstindex.h"
/* Index signals and args */
@ -34,17 +35,59 @@ enum {
enum {
ARG_0,
ARG_RESOLVER,
/* FILL ME */
};
static void gst_index_class_init (GstIndexClass *klass);
static void gst_index_init (GstIndex *index);
static gboolean gst_index_default_path_resolver (GstIndex *index, GstObject *writer,
static void gst_index_set_property (GObject *object, guint prop_id,
const GValue *value, GParamSpec *pspec);
static void gst_index_get_property (GObject *object, guint prop_id,
GValue *value, GParamSpec *pspec);
static GstIndexGroup* gst_index_group_new (guint groupnum);
static gboolean gst_index_path_resolver (GstIndex *index, GstObject *writer,
gchar **writer_string, gpointer data);
static gboolean gst_index_gtype_resolver (GstIndex *index, GstObject *writer,
gchar **writer_string, gpointer data);
static GstObject *parent_class = NULL;
static guint gst_index_signals[LAST_SIGNAL] = { 0 };
typedef struct
{
GstIndexResolverMethod method;
GstIndexResolver resolver;
gpointer user_data;
} ResolverEntry;
static const ResolverEntry resolvers[] =
{
{ GST_INDEX_RESOLVER_CUSTOM, NULL, NULL },
{ GST_INDEX_RESOLVER_GTYPE, gst_index_gtype_resolver, NULL },
{ GST_INDEX_RESOLVER_PATH, gst_index_path_resolver, NULL },
};
#define GST_TYPE_INDEX_RESOLVER (gst_index_resolver_get_type())
static GType
gst_index_resolver_get_type (void)
{
static GType index_resolver_type = 0;
static GEnumValue index_resolver[] = {
{ GST_INDEX_RESOLVER_CUSTOM, "GST_INDEX_RESOLVER_CUSTOM", "Use a custom resolver"},
{ GST_INDEX_RESOLVER_GTYPE, "GST_INDEX_RESOLVER_GTYPE", "Resolve an object to its GType[.padname]"},
{ GST_INDEX_RESOLVER_PATH, "GST_INDEX_RESOLVER_PATH", "Resolve an object to its path in the pipeline"},
{0, NULL, NULL},
};
if (!index_resolver_type) {
index_resolver_type = g_enum_register_static ("GstIndexResolver", index_resolver);
}
return index_resolver_type;
}
GType
gst_index_get_type(void) {
static GType index_type = 0;
@ -83,6 +126,71 @@ gst_index_class_init (GstIndexClass *klass)
G_STRUCT_OFFSET (GstIndexClass, entry_added), NULL, NULL,
gst_marshal_VOID__POINTER, G_TYPE_NONE, 1,
G_TYPE_POINTER);
gobject_class->set_property = GST_DEBUG_FUNCPTR (gst_index_set_property);
gobject_class->get_property = GST_DEBUG_FUNCPTR (gst_index_get_property);
g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_RESOLVER,
g_param_spec_enum ("resolver", "Resolver", "Select a predefined object to string mapper",
GST_TYPE_INDEX_RESOLVER, GST_INDEX_RESOLVER_PATH, G_PARAM_READWRITE));
}
static void
gst_index_init (GstIndex *index)
{
index->curgroup = gst_index_group_new(0);
index->maxgroup = 0;
index->groups = g_list_prepend(NULL, index->curgroup);
index->writers = g_hash_table_new (NULL, NULL);
index->last_id = 0;
index->method = GST_INDEX_RESOLVER_PATH;
index->resolver = resolvers[index->method].resolver;
index->resolver_user_data = resolvers[index->method].user_data;
GST_FLAG_SET (index, GST_INDEX_WRITABLE);
GST_FLAG_SET (index, GST_INDEX_READABLE);
GST_DEBUG(0, "created new index");
}
static void
gst_index_set_property (GObject *object, guint prop_id,
const GValue *value, GParamSpec *pspec)
{
GstIndex *index;
index = GST_INDEX (object);
switch (prop_id) {
case ARG_RESOLVER:
index->method = g_value_get_enum (value);
index->resolver = resolvers[index->method].resolver;
index->resolver_user_data = resolvers[index->method].user_data;
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gst_index_get_property (GObject *object, guint prop_id,
GValue *value, GParamSpec *pspec)
{
GstIndex *index;
index = GST_INDEX (object);
switch (prop_id) {
case ARG_RESOLVER:
g_value_set_enum (value, index->method);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static GstIndexGroup *
@ -100,24 +208,6 @@ gst_index_group_new(guint groupnum)
return indexgroup;
}
static void
gst_index_init (GstIndex *index)
{
index->curgroup = gst_index_group_new(0);
index->maxgroup = 0;
index->groups = g_list_prepend(NULL, index->curgroup);
index->writers = g_hash_table_new (NULL, NULL);
index->last_id = 0;
gst_index_set_resolver (index, gst_index_default_path_resolver, NULL);
GST_FLAG_SET (index, GST_INDEX_WRITABLE);
GST_FLAG_SET (index, GST_INDEX_READABLE);
GST_DEBUG(0, "created new index");
}
/**
* gst_index_new:
*
@ -288,6 +378,7 @@ gst_index_set_resolver (GstIndex *index,
index->resolver = resolver;
index->resolver_user_data = user_data;
index->method = GST_INDEX_RESOLVER_CUSTOM;
}
/**
@ -383,7 +474,7 @@ gst_index_add_id (GstIndex *index, gint id, gchar *description)
}
static gboolean
gst_index_default_path_resolver (GstIndex *index, GstObject *writer,
gst_index_path_resolver (GstIndex *index, GstObject *writer,
gchar **writer_string, gpointer data)
{
*writer_string = gst_object_get_path_string (writer);
@ -391,6 +482,24 @@ gst_index_default_path_resolver (GstIndex *index, GstObject *writer,
return TRUE;
}
static gboolean
gst_index_gtype_resolver (GstIndex *index, GstObject *writer,
gchar **writer_string, gpointer data)
{
if (GST_IS_PAD (writer)) {
GstElement *element = gst_pad_get_parent (GST_PAD (writer));
*writer_string = g_strdup_printf ("%s.%s",
g_type_name (G_OBJECT_TYPE (element)),
gst_object_get_name (writer));
}
else {
*writer_string = g_strdup_printf ("%s", g_type_name (G_OBJECT_TYPE (writer)));
}
return TRUE;
}
/**
* gst_index_get_writer_id:
* @index: the index to get a unique write id for

7
gst/gstindex.h
View file

@ -131,6 +131,12 @@ struct _GstIndexGroup {
typedef gboolean (*GstIndexFilter) (GstIndex *index,
GstIndexEntry *entry);
typedef enum {
GST_INDEX_RESOLVER_CUSTOM,
GST_INDEX_RESOLVER_GTYPE,
GST_INDEX_RESOLVER_PATH
} GstIndexResolverMethod;
typedef gboolean (*GstIndexResolver) (GstIndex *index,
GstObject *writer,
gchar **writer_string,
@ -152,6 +158,7 @@ struct _GstIndex {
GstIndexGroup *curgroup;
gint maxgroup;
GstIndexResolverMethod method;
GstIndexResolver resolver;
gpointer resolver_user_data;