#pkg-config --modversion opencv
#pkg-config --cflags opencv
#pkg-config --libs opencv

#cd examples && ./test-launch "( videotestsrc ! x264enc ! rtph264pay name=pay0 pt=96 )"
#rtsp://HOST_IP:8554/test
#gst-launch-1.0 rtspsrc location=rtsp://10.100.100.100:8554/test latency=200 ! decodebin ! videoconvert ! faceblur ! videoconvert ! ximagesink
#gst-launch rtspsrc location=rtsp://192.168.0.9:8554 latency=200 ! rtpjpegdepay ! jpegdec ! videoscale ! video/x-raw-yuv,width=480,height=272 ! videorate ! capsfilter caps="video/x-raw-yuv,width=480,height=272,framerate=(fraction)12/1" ! queue ! ffmpegcolorspace ! faceblur ! ffmpegcolorspace ! theoraenc ! oggmux ! filesink location=Desktop/faceblur_raw_video.ogm
#gst-launch-1.0  -v alsasrc device=hw:0,0 num-buffers=1  ! audio/x-raw,rate=48000,channels=6,depth=16,width=16 ! filesink location=/tmp/test.pcm
#export GST_DEBUG_DUMP_DOT_DIR=~/tmp/
#dot -Tpng xxx.dot > pipeline.png
#gst-launch-1.0 alsasrc device=hw:0,0 num-buffers=1 ! audio/x-raw,rate=48000,channels=6,format=S16LE ! filesink location=/tmp/test.pcm