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ges-ui: don't assume we always have 1 layer and two tracks

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This commit is contained in:
Brandon Lewis 2010-10-11 11:37:51 +01:00 committed by Edward Hervey
parent a4f315274c
commit 02da3a8cba
2 changed files with 79 additions and 18 deletions
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95
tests/examples/ges-ui.c
View file

@ -677,6 +677,38 @@ get_video_patterns (void)
goto fail;\
}
static void
layer_added_cb (GESTimeline * timeline, GESTimelineLayer * layer, App * app)
{
if (!GES_IS_SIMPLE_TIMELINE_LAYER (layer)) {
GST_ERROR ("This timeline contains a layer type other than "
"GESSimpleTimelineLayer. Timeline editing disabled");
return;
}
if (!(app->layer)) {
app->layer = layer;
}
if (layer != app->layer) {
GST_ERROR ("This demo doesn't support editing timelines with multiple"
" layers");
return;
}
g_signal_connect (app->layer, "object-added",
G_CALLBACK (layer_object_added_cb), app);
g_signal_connect (app->layer, "object-removed",
G_CALLBACK (layer_object_removed_cb), app);
g_signal_connect (app->layer, "object-moved",
G_CALLBACK (layer_object_moved_cb), app);
g_signal_connect (app->layer, "notify::valid",
G_CALLBACK (layer_notify_valid_changed_cb), app);
}
static gboolean
create_ui (App * app)
{
@ -772,17 +804,10 @@ create_ui (App * app)
gtk_cell_layout_add_attribute (GTK_CELL_LAYOUT (app->background_type),
background_type_renderer, "text", 0);
g_signal_connect (app->timeline, "layer-added", G_CALLBACK
(layer_added_cb), app);
/* register callbacks on GES objects */
g_signal_connect (app->layer, "object-added",
G_CALLBACK (layer_object_added_cb), app);
g_signal_connect (app->layer, "object-removed",
G_CALLBACK (layer_object_removed_cb), app);
g_signal_connect (app->layer, "object-moved",
G_CALLBACK (layer_object_moved_cb), app);
g_signal_connect (app->layer, "notify::valid",
G_CALLBACK (layer_notify_valid_changed_cb), app);
bus = gst_pipeline_get_bus (GST_PIPELINE (app->pipeline));
gst_bus_add_signal_watch (bus);
g_signal_connect (bus, "message", G_CALLBACK (bus_message_cb), app);
@ -1011,7 +1036,7 @@ app_dispose (App * app)
}
static App *
app_new (void)
app_init (void)
{
App *ret;
ret = g_new0 (App, 1);
@ -1022,7 +1047,7 @@ app_new (void)
if (!ret)
return NULL;
if (!(ret->timeline = ges_timeline_new_audio_video ()))
if (!(ret->timeline = ges_timeline_new ()))
goto fail;
if (!(ret->pipeline = ges_timeline_pipeline_new ()))
@ -1031,12 +1056,6 @@ app_new (void)
if (!ges_timeline_pipeline_add_timeline (ret->pipeline, ret->timeline))
goto fail;
if (!(ret->layer = (GESTimelineLayer *) ges_simple_timeline_layer_new ()))
goto fail;
if (!(ges_timeline_add_layer (ret->timeline, ret->layer)))
goto fail;
if (!(create_ui (ret)))
goto fail;
@ -1047,6 +1066,46 @@ fail:
return NULL;
}
static App *
app_new (void)
{
App *ret;
GESTrack *a = NULL, *v = NULL;
ret = app_init ();
/* add base audio and video track */
if (!(a = ges_track_audio_raw_new ()))
goto fail;
if (!(ges_timeline_add_track (ret->timeline, a)))
goto fail;
if (!(v = ges_track_video_raw_new ()))
goto fail;
if (!(ges_timeline_add_track (ret->timeline, v)))
goto fail;
if (!(ret->layer = (GESTimelineLayer *) ges_simple_timeline_layer_new ()))
goto fail;
if (!(ges_timeline_add_layer (ret->timeline, ret->layer)))
goto fail;
return ret;
fail:
if (a)
gst_object_unref (a);
if (v)
gst_object_unref (v);
app_dispose (ret);
return NULL;
}
/* UI callbacks ************************************************************/
gboolean

2
tests/examples/ges-ui.glade
View file

@ -69,7 +69,9 @@
<object class="GtkImageMenuItem" id="open_item">
<property name="label">gtk-open</property>
<property name="use_underline">True</property>
<property name="visible">True</property>
<property name="use_stock">True</property>
<signal name="activate" handler="open_activate_cb"/>
</object>
</child>
<child>