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GESTrack: Make GESTrackType a flag, and add GES_TRACK_TYPE_UNKNOWN

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Also add a bit more documentation about it.
This commit is contained in:
Edward Hervey 2010-05-18 17:43:28 +02:00
parent fae4c44887
commit 14a6a5f31d
2 changed files with 17 additions and 11 deletions
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13
ges/ges-track.c
View file

@ -47,11 +47,12 @@ static void pad_added_cb (GstElement * element, GstPad * pad, GESTrack * track);
static void
pad_removed_cb (GstElement * element, GstPad * pad, GESTrack * track);
#define C_ENUM(v) ((gint) v)
#define C_ENUM(v) ((guint) v)
static void
register_ges_track_type_select_result (GType * id)
{
static const GEnumValue values[] = {
static const GFlagsValue values[] = {
{C_ENUM (GES_TRACK_TYPE_UNKNOWN), "GES_TRACK_TYPE_UNKNOWN", "unknown"},
{C_ENUM (GES_TRACK_TYPE_AUDIO), "GES_TRACK_TYPE_AUDIO", "audio"},
{C_ENUM (GES_TRACK_TYPE_VIDEO), "GES_TRACK_TYPE_VIDEO", "video"},
{C_ENUM (GES_TRACK_TYPE_TEXT), "GES_TRACK_TYPE_TEXT", "text"},
@ -59,7 +60,7 @@ register_ges_track_type_select_result (GType * id)
{0, NULL, NULL}
};
*id = g_enum_register_static ("GESTrackType", values);
*id = g_flags_register_static ("GESTrackType", values);
}
GType
@ -83,7 +84,7 @@ ges_track_get_property (GObject * object, guint property_id,
gst_value_set_caps (value, track->caps);
break;
case ARG_TYPE:
g_value_set_enum (value, track->type);
g_value_set_flags (value, track->type);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
@ -101,7 +102,7 @@ ges_track_set_property (GObject * object, guint property_id,
ges_track_set_caps (track, gst_value_get_caps (value));
break;
case ARG_TYPE:
track->type = g_value_get_enum (value);
track->type = g_value_get_flags (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
@ -168,7 +169,7 @@ ges_track_class_init (GESTrackClass * klass)
* property.
*/
g_object_class_install_property (object_class, ARG_TYPE,
g_param_spec_enum ("track-type", "TrackType",
g_param_spec_flags ("track-type", "TrackType",
"Type of stream the track outputs",
GES_TYPE_TRACK_TYPE, GES_TRACK_TYPE_CUSTOM,
G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY));

15
ges/ges-track.h
View file

@ -50,21 +50,26 @@ GType ges_track_type_get_type (void);
/**
* GESTrackType:
* @GES_TRACK_TYPE_UNKNOWN: A track of unknown type (i.e. invalid)
* @GES_TRACK_TYPE_AUDIO: An audio track
* @GES_TRACK_TYPE_VIDEO: A video track
* @GES_TRACK_TYPE_TEXT: A text (subtitle) track
* @GES_TRACK_TYPE_CUSTOM: A custom-content track
*
* Types of content handled by a track. If the content is not one of
* @GEST_TRACK_TYPE_AUDIO, @GES_TRACK_TYPE_VIDEO or @GES_TRACK_TYPE_TEXT,
* @GES_TRACK_TYPE_AUDIO, @GES_TRACK_TYPE_VIDEO or @GES_TRACK_TYPE_TEXT,
* the user of the #GESTrack must set the type to @GES_TRACK_TYPE_CUSTOM.
*
* @GES_TRACK_TYPE_UNKNOWN is for internal purposes and should not be used
* by users
*/
typedef enum {
GES_TRACK_TYPE_AUDIO = 0,
GES_TRACK_TYPE_VIDEO = 1,
GES_TRACK_TYPE_TEXT = 2,
GES_TRACK_TYPE_CUSTOM = 3
GES_TRACK_TYPE_UNKNOWN = 1 << 0,
GES_TRACK_TYPE_AUDIO = 1 << 1,
GES_TRACK_TYPE_VIDEO = 1 << 2,
GES_TRACK_TYPE_TEXT = 1 << 3,
GES_TRACK_TYPE_CUSTOM = 1 << 4,
} GESTrackType;
struct _GESTrack {