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ges/ges-simple-timeline-layer.c: don't allow user to create timelines with
adjacent transitions
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1 changed files with 17 additions and 0 deletions
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@ -173,6 +173,23 @@ ges_simple_timeline_layer_add_object (GESSimpleTimelineLayer * layer,
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GST_DEBUG ("layer:%p, object:%p, position:%d", layer, object, position);
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GList *nth = g_list_nth (layer->objects, position);
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if (GES_IS_TIMELINE_TRANSITION (object)) {
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GList *lprev = g_list_previous (nth);
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GESTimelineObject *prev = GES_TIMELINE_OBJECT (lprev ? lprev->data : NULL);
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GESTimelineObject *next = GES_TIMELINE_OBJECT (nth ? nth->data : NULL);
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if ((prev && GES_IS_TIMELINE_TRANSITION (prev)) ||
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(next && GES_IS_TIMELINE_TRANSITION (next))) {
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GST_ERROR ("Not adding transition: Only insert transitions between two"
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" sources, or at the begining or end the layer\n");
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return FALSE;
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}
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}
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layer->adding_object = TRUE;
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res = ges_timeline_layer_add_object ((GESTimelineLayer *) layer, object);
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