video_rtp_stream.xml

<!DOCTYPE module SYSTEM "module.dtd">

<module name="video_rtp_stream" dir="computer_vision">
  <doc>
    <description>
      Video streaming for Linux devices

      - Sends a RTP/UDP stream of the camera
      - Possibility to save an image(shot) on the internal memory (JPEG, full size, best quality)
    </description>
    <define name="VIEWVIDEO_DEVICE" value="/dev/video1" description="The video device to capture from"/>
    <define name="VIEWVIDEO_DEVICE_SIZE" value="1280,720" description="Video capture size (width, height)"/>
    <define name="VIEWVIDEO_DEVICE_BUFFERS" value="10" description="Amount of V4L2 image buffers"/>
    <define name="VIEWVIDEO_DOWNSIZE_FACTOR" value="4" description="Reduction factor of the video stream"/>
    <define name="VIEWVIDEO_QUALITY_FACTOR" value="50" description="JPEG encoding compression factor [0-99]"/>
    <define name="VIEWVIDEO_FPS" value="4" description="Video stream frame rate"/>
    <define name="VIEWVIDEO_SHOT_PATH" value="/data/video/images" description="Path where the images should be saved"/>
    <define name="VIEWVIDEO_USE_NETCAT" value="FALSE" description="Use netcat for transfering images"/>
  </doc>
  <settings>
    <dl_settings>
      <dl_settings name="video">
        <dl_setting var="viewvideo.take_shot" min="0" step="1" max="1" shortname="take_shot" module="computer_vision/viewvideo" handler="take_shot"/>
      </dl_settings>
    </dl_settings>
  </settings>

  <header>
    <file name="viewvideo.h"/>
  </header>

  <init fun="viewvideo_init()"/>
  <periodic fun="viewvideo_periodic()" freq="1" start="viewvideo_start()" stop="viewvideo_stop()" autorun="TRUE"/>
  <makefile target="ap">

    <file name="viewvideo.c"/>

    <!-- Include the needed Computer Vision files -->
    <define name="modules/computer_vision" type="include"/>
    <file name="image.c" dir="modules/computer_vision/lib/vision"/>
    <file name="jpeg.c" dir="modules/computer_vision/lib/encoding"/>
    <file name="rtp.c" dir="modules/computer_vision/lib/encoding"/>
    <file name="v4l2.c" dir="modules/computer_vision/lib/v4l"/>

    <!-- Define the network connection to send images over -->
    <raw>
      VIEWVIDEO_HOST        ?= $(MODEM_HOST)
      VIEWVIDEO_PORT_OUT    ?= 5000
      VIEWVIDEO_BROADCAST   ?= $(MODEM_BROADCAST)

      VIEWVID_CFLAGS  = -DVIEWVIDEO_HOST=$(VIEWVIDEO_HOST) -DVIEWVIDEO_PORT_OUT=$(VIEWVIDEO_PORT_OUT)
      ifeq ($(VIEWVIDEO_USE_NC),)
        ap.CFLAGS += $(VIEWVID_CFLAGS) -DVIEWVIDEO_BROADCAST=$(VIEWVIDEO_BROADCAST)
      else
        ap.CFLAGS += $(VIEWVID_CFLAGS) -DVIEWVIDEO_USE_NC
      endif
    </raw>

    <!-- Random flags -->
    <define name="__USE_GNU"/>
    <flag name="LDFLAGS" value="lrt"/>
    <flag name="LDFLAGS" value="static-libgcc"/>
  </makefile>
  <makefile target="nps">
    <file name="viewvideo_nps.c"/>
  </makefile>
</module>