def select_video_caps(): video_modes = get_available_video_modes(format_='YUY2') selected_mode = select_video_mode(video_modes) if selected_mode: return selected_mode['device'], GstVideoSourceManager.get_caps_string(selected_mode) else: return None
def create_video_source(device, caps_str): if device is None: # Assume blank video test src video_source = gst.element_factory_make('videotestsrc', 'video_source') video_source.set_property('pattern', 2) else: video_source = GstVideoSourceManager.get_video_source() device_key, devices = get_video_source_configs() video_source.set_property(device_key, device) filtered_input = FilteredInput('filtered_input', caps_str, video_source) return filtered_input