[Bug 743108] Feature request: filter to monitored v4l2 radio device

[GStreamer (bugzilla.gnome.org)]

https://bugzilla.gnome.org/show_bug.cgi?id=743108
  GStreamer | gst-plugins-good | 1.4.5

--- Comment #1 from budaservantes at gmail.com 2015-01-19 03:18:18 UTC ---
Something that can be done with GUdevDevice:


  device_file = g_udev_device_get_device_file (udevice);
  if (device_file == NULL)
  {
    GST_WARNING ("Error getting V4L device");
    return;
  }

  /* vbi devices support capture capability too, but cannot be used,
   * so detect them by device name */
  if (strstr (device_file, "vbi"))
  {
    GST_INFO ("Skipping vbi device: %s", device_file);
    return;
  }

  v4l_version = g_udev_device_get_property_as_int (udevice, "ID_V4L_VERSION");
  if (v4l_version == 2 || v4l_version == 1)
  {
    const char *caps;

    caps = g_udev_device_get_property (udevice, "ID_V4L_CAPABILITIES");
    if (caps == NULL || strstr (caps, ":capture:") == NULL)
    {
      GST_WARNING ("Device %s seems to not have the capture capability, (radio
tuner?)"
                   "Removing it from device list.", device_file);
      return;
    }

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