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meta-container: Add a VOLUME default meta to layers

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This commit is contained in:
Thibault Saunier 2013-04-22 00:21:58 -03:00
parent 29bfe9c0fe
commit b87c800743
3 changed files with 30 additions and 1 deletions
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11
ges/ges-layer.c
View file

@ -128,6 +128,15 @@ ges_layer_dispose (GObject * object)
G_OBJECT_CLASS (ges_layer_parent_class)->dispose (object);
}
static gboolean
_register_metas (GESLayer * layer)
{
ges_meta_container_register_meta_float (GES_META_CONTAINER (layer),
GES_META_READ_WRITE, GES_META_VOLUME, 1.0);
return TRUE;
}
static void
ges_meta_container_interface_init (GESMetaContainerInterface * iface)
{
@ -202,6 +211,8 @@ ges_layer_init (GESLayer * self)
self->priv->auto_transition = FALSE;
self->min_gnl_priority = MIN_GNL_PRIO;
self->max_gnl_priority = LAYER_HEIGHT + MIN_GNL_PRIO;
_register_metas (self);
}
/**

18
ges/ges-meta-container.h
View file

@ -84,6 +84,24 @@ G_BEGIN_DECLS
*/
#define GES_META_FORMATTER_RANK "rank"
/**
* GES_META_VOLUME:
*
* The volume, can be used for audio track or layers
*
* The volume for a track or a layer, it is register as a float
*/
#define GES_META_VOLUME "volume"
/**
* GES_META_VOLUME_DEFAULT:
*
* The default volume
*
* The default volume for a track or a layer as a float
*/
#define GES_META_VOLUME_DEFAULT 1.0
typedef struct _GESMetaContainer GESMetaContainer;
typedef struct _GESMetaContainerInterface GESMetaContainerInterface;

2
tests/check/ges/layer.c
View file

@ -1763,7 +1763,7 @@ test_foreach (const GESMetaContainer * container, const gchar * key,
GValue * value, gpointer user_data)
{
fail_unless ((0 == g_strcmp0 (key, "some-string")) ||
(0 == g_strcmp0 (key, "some-int")));
(0 == g_strcmp0 (key, "some-int")) || (0 == g_strcmp0 (key, "volume")));
}
GST_START_TEST (test_layer_meta_foreach)