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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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v4l2: Remove GstPropertyProbe leftovers
This commit is contained in:
Olivier Crête
parent
6cf0f19c14
commit
fdceedb77c
1 changed files with 0 additions and 223 deletions
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@ -66,229 +66,6 @@ enum
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static GSList *gst_v4l2_object_get_format_list (GstV4l2Object * v4l2object);
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#if 0
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G_LOCK_DEFINE_STATIC (probe_lock);
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const GList *
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gst_v4l2_probe_get_properties (GstPropertyProbe * probe)
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{
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GObjectClass *klass = G_OBJECT_GET_CLASS (probe);
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static GList *list = NULL;
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G_LOCK (probe_lock);
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if (!list) {
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list = g_list_append (NULL, g_object_class_find_property (klass, "device"));
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}
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G_UNLOCK (probe_lock);
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return list;
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}
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static gboolean init = FALSE;
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static GList *devices = NULL;
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#ifdef HAVE_GUDEV
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static gboolean
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gst_v4l2_class_probe_devices_with_udev (GstElementClass * klass, gboolean check,
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GList ** klass_devices)
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{
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GUdevClient *client = NULL;
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GList *item;
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if (!check) {
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while (devices) {
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gchar *device = devices->data;
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devices = g_list_remove (devices, device);
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g_free (device);
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}
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GST_INFO ("Enumerating video4linux devices from udev");
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client = g_udev_client_new (NULL);
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if (!client) {
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GST_WARNING ("Failed to initialize gudev client");
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goto finish;
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}
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item = g_udev_client_query_by_subsystem (client, "video4linux");
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while (item) {
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GUdevDevice *device = item->data;
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gchar *devnode = g_strdup (g_udev_device_get_device_file (device));
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gint api = g_udev_device_get_property_as_int (device, "ID_V4L_VERSION");
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GST_INFO ("Found new device: %s, API: %d", devnode, api);
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/* Append v4l2 devices only. If api is 0 probably v4l_id has
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been stripped out of the current udev installation, append
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anyway */
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if (api == 0) {
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GST_WARNING
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("Couldn't retrieve ID_V4L_VERSION, silly udev installation?");
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}
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if ((api == 2 || api == 0)) {
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devices = g_list_append (devices, devnode);
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} else {
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g_free (devnode);
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}
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g_object_unref (device);
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item = item->next;
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}
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g_list_free (item);
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init = TRUE;
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}
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finish:
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if (client) {
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g_object_unref (client);
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}
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*klass_devices = devices;
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return init;
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}
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#endif /* HAVE_GUDEV */
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static gboolean
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gst_v4l2_class_probe_devices (GstElementClass * klass, gboolean check,
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GList ** klass_devices)
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{
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if (!check) {
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const gchar *dev_base[] = { "/dev/video", "/dev/v4l2/video", NULL };
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gint base, n, fd;
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while (devices) {
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gchar *device = devices->data;
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devices = g_list_remove (devices, device);
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g_free (device);
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}
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/*
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* detect /dev entries
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*/
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for (n = 0; n < 64; n++) {
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for (base = 0; dev_base[base] != NULL; base++) {
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struct stat s;
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gchar *device = g_strdup_printf ("%s%d",
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dev_base[base],
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n);
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/*
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* does the /dev/ entry exist at all?
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*/
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if (stat (device, &s) == 0) {
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/*
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* yes: is a device attached?
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*/
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if (S_ISCHR (s.st_mode)) {
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if ((fd = open (device, O_RDWR | O_NONBLOCK)) > 0 || errno == EBUSY) {
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if (fd > 0)
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close (fd);
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devices = g_list_append (devices, device);
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break;
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}
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}
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}
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g_free (device);
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}
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}
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init = TRUE;
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}
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*klass_devices = devices;
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return init;
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}
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void
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gst_v4l2_probe_probe_property (GstPropertyProbe * probe,
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guint prop_id, const GParamSpec * pspec, GList ** klass_devices)
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{
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GstElementClass *klass = GST_ELEMENT_GET_CLASS (probe);
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switch (prop_id) {
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case PROP_DEVICE:
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#ifdef HAVE_GUDEV
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if (!gst_v4l2_class_probe_devices_with_udev (klass, FALSE, klass_devices))
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gst_v4l2_class_probe_devices (klass, FALSE, klass_devices);
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#else /* !HAVE_GUDEV */
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gst_v4l2_class_probe_devices (klass, FALSE, klass_devices);
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#endif /* HAVE_GUDEV */
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (probe, prop_id, pspec);
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break;
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}
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}
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gboolean
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gst_v4l2_probe_needs_probe (GstPropertyProbe * probe,
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guint prop_id, const GParamSpec * pspec, GList ** klass_devices)
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{
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GstElementClass *klass = GST_ELEMENT_GET_CLASS (probe);
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gboolean ret = FALSE;
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switch (prop_id) {
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case PROP_DEVICE:
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#ifdef HAVE_GUDEV
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ret =
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!gst_v4l2_class_probe_devices_with_udev (klass, FALSE, klass_devices);
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#else /* !HAVE_GUDEV */
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ret = !gst_v4l2_class_probe_devices (klass, TRUE, klass_devices);
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#endif /* HAVE_GUDEV */
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (probe, prop_id, pspec);
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break;
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}
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return ret;
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}
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static GValueArray *
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gst_v4l2_class_list_devices (GstElementClass * klass, GList ** klass_devices)
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{
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GValueArray *array;
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GValue value = { 0 };
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GList *item;
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if (!*klass_devices)
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return NULL;
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array = g_value_array_new (g_list_length (*klass_devices));
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item = *klass_devices;
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g_value_init (&value, G_TYPE_STRING);
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while (item) {
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gchar *device = item->data;
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g_value_set_string (&value, device);
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g_value_array_append (array, &value);
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item = item->next;
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}
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g_value_unset (&value);
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return array;
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}
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GValueArray *
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gst_v4l2_probe_get_values (GstPropertyProbe * probe,
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guint prop_id, const GParamSpec * pspec, GList ** klass_devices)
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{
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GstElementClass *klass = GST_ELEMENT_GET_CLASS (probe);
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GValueArray *array = NULL;
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switch (prop_id) {
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case PROP_DEVICE:
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array = gst_v4l2_class_list_devices (klass, klass_devices);
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (probe, prop_id, pspec);
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break;
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}
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return array;
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}
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#endif
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#define GST_TYPE_V4L2_DEVICE_FLAGS (gst_v4l2_device_get_type ())
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static GType
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