----------------------------SERVER-------------------------------

VDEVICE=/dev/video0
DEST=127.0.0.1
WRES=352
HRES=288
FPS=15
BITRATE=256
#VOFFSET=900000000
VOFFSET=0
AOFFSET=0

VELEM="v4l2src device=$VDEVICE" 
#VELEM="videotestsrc is-live=1"
VCAPS="video/x-raw-yuv,width=$WRES,height=$HRES,framerate=$FPS/1"
VSOURCE="$VELEM ! queue ! videorate ! ffmpegcolorspace ! $VCAPS"
VENC="x264enc tune=zerolatency byte-stream=true bitrate=$BITRATE ! rtph264pay"

VRTPSINK="udpsink port=5000 host=$DEST ts-offset=$VOFFSET name=vrtpsink"
VRTCPSINK="udpsink port=5001 host=$DEST sync=false async=false name=vrtcpsink"
VRTCPSRC="udpsrc port=5001 name=vrtpsrc"

AELEM="autoaudiosrc"
#AELEM="audiotestsrc is-live=1"
ASOURCE="$AELEM ! queue ! audioresample ! audioconvert"
AENC="faac ! rtpmp4apay"

ARTPSINK="udpsink port=5002 host=$DEST ts-offset=$AOFFSET name=artpsink"
ARTCPSINK="udpsink port=5003 host=$DEST sync=false async=false name=artcpsink"
ARTCPSRC="udpsrc port=5003 name=artpsrc"

gst-launch -v gstrtpbin name=rtpbin \
    $VSOURCE ! $VENC ! rtpbin.send_rtp_sink_0                                             \
        rtpbin.send_rtp_src_0 ! $VRTPSINK                                                 \
        rtpbin.send_rtcp_src_0 ! $VRTCPSINK                                               \
      $VRTCPSRC ! rtpbin.recv_rtcp_sink_0                                                 \
    $ASOURCE ! $AENC ! rtpbin.send_rtp_sink_1                                             \
        rtpbin.send_rtp_src_1 ! $ARTPSINK                                                 \
        rtpbin.send_rtcp_src_1 ! $ARTCPSINK                                               \
      $ARTCPSRC ! rtpbin.recv_rtcp_sink_1

--------------------------CLIENT--------------------------------------

DEST=127.0.0.1
LATENCY=200

VIDEO_CAPS="application/x-rtp,media=(string)video,clock-rate=(int)90000,encoding-name=(string)H264"
AUDIO_CAPS="application/x-rtp,media=(string)audio,clock-rate=(int)44100,encoding-name=(string)MP4A-LATM,config=(string)40002410"

VIDEO_DEC="rtph264depay ! ffdec_h264"
AUDIO_DEC="rtpmp4adepay ! faad"

VIDEO_SINK="ffmpegcolorspace ! autovideosink"
AUDIO_SINK="audioconvert ! audioresample ! autoaudiosink"

gst-launch -v gstrtpbin name=rtpbin latency=$LATENCY                                  \
     udpsrc caps=$VIDEO_CAPS port=5000 ! rtpbin.recv_rtp_sink_0                       \
       rtpbin. ! $VIDEO_DEC ! $VIDEO_SINK                                             \
     udpsrc port=5001 ! rtpbin.recv_rtcp_sink_0                                       \
         rtpbin.send_rtcp_src_0 ! udpsink port=5001 host=$DEST sync=false async=false \
     udpsrc caps=$AUDIO_CAPS port=5002 ! rtpbin.recv_rtp_sink_1                       \
       rtpbin. ! $AUDIO_DEC ! $AUDIO_SINK                                             \
     udpsrc port=5003 ! rtpbin.recv_rtcp_sink_1                                       \
         rtpbin.send_rtcp_src_1 ! udpsink port=5003 host=$DEST sync=false async=false