gst-launch-1.0  \
compositor name=vmix ! \
			video/x-raw,format=I420,width=1280,height=720,framerate=30000/1001,pixel-aspect-ratio=1/1 ! \
			intervideosink channel=video_streamblanker_out \
 \
			audiomixer name=amix ! \
			audio/x-raw,format=S16LE,channels=2,layout=interleaved,rate=48000 ! \
			interaudiosink channel=audio_streamblanker_out \
 \
 \
			intervideosrc channel=video_mix_streamblanker ! \
			video/x-raw,format=I420,width=1280,height=720,framerate=30000/1001,pixel-aspect-ratio=1/1 ! \
			vmix. \
 \
			interaudiosrc channel=audio_mix_streamblanker ! \
			audio/x-raw,format=S16LE,channels=2,layout=interleaved,rate=48000 ! \
			amix. \
 \
 \
			interaudiosrc channel=audio_streamblanker ! \
			audio/x-raw,format=S16LE,channels=2,layout=interleaved,rate=48000 ! \
			amix. \
		 \
				intervideosrc channel=video_pause_streamblanker ! \
				video/x-raw,format=I420,width=1280,height=720,framerate=30000/1001,pixel-aspect-ratio=1/1 ! \
				vmix. \
			 \
				intervideosrc channel=video_nostream_streamblanker ! \
				video/x-raw,format=I420,width=1280,height=720,framerate=30000/1001,pixel-aspect-ratio=1/1 ! \
				vmix. 
 
