Commit fdceedb7 authored by Olivier Crête's avatar Olivier Crête
Browse files

v4l2: Remove GstPropertyProbe leftovers

parent 6cf0f19c
......@@ -66,229 +66,6 @@ enum
static GSList *gst_v4l2_object_get_format_list (GstV4l2Object * v4l2object);
#if 0
G_LOCK_DEFINE_STATIC (probe_lock);
const GList *
gst_v4l2_probe_get_properties (GstPropertyProbe * probe)
{
GObjectClass *klass = G_OBJECT_GET_CLASS (probe);
static GList *list = NULL;
G_LOCK (probe_lock);
if (!list) {
list = g_list_append (NULL, g_object_class_find_property (klass, "device"));
}
G_UNLOCK (probe_lock);
return list;
}
static gboolean init = FALSE;
static GList *devices = NULL;
#ifdef HAVE_GUDEV
static gboolean
gst_v4l2_class_probe_devices_with_udev (GstElementClass * klass, gboolean check,
GList ** klass_devices)
{
GUdevClient *client = NULL;
GList *item;
if (!check) {
while (devices) {
gchar *device = devices->data;
devices = g_list_remove (devices, device);
g_free (device);
}
GST_INFO ("Enumerating video4linux devices from udev");
client = g_udev_client_new (NULL);
if (!client) {
GST_WARNING ("Failed to initialize gudev client");
goto finish;
}
item = g_udev_client_query_by_subsystem (client, "video4linux");
while (item) {
GUdevDevice *device = item->data;
gchar *devnode = g_strdup (g_udev_device_get_device_file (device));
gint api = g_udev_device_get_property_as_int (device, "ID_V4L_VERSION");
GST_INFO ("Found new device: %s, API: %d", devnode, api);
/* Append v4l2 devices only. If api is 0 probably v4l_id has
been stripped out of the current udev installation, append
anyway */
if (api == 0) {
GST_WARNING
("Couldn't retrieve ID_V4L_VERSION, silly udev installation?");
}
if ((api == 2 || api == 0)) {
devices = g_list_append (devices, devnode);
} else {
g_free (devnode);
}
g_object_unref (device);
item = item->next;
}
g_list_free (item);
init = TRUE;
}
finish:
if (client) {
g_object_unref (client);
}
*klass_devices = devices;
return init;
}
#endif /* HAVE_GUDEV */
static gboolean
gst_v4l2_class_probe_devices (GstElementClass * klass, gboolean check,
GList ** klass_devices)
{
if (!check) {
const gchar *dev_base[] = { "/dev/video", "/dev/v4l2/video", NULL };
gint base, n, fd;
while (devices) {
gchar *device = devices->data;
devices = g_list_remove (devices, device);
g_free (device);
}
/*
* detect /dev entries
*/
for (n = 0; n < 64; n++) {
for (base = 0; dev_base[base] != NULL; base++) {
struct stat s;
gchar *device = g_strdup_printf ("%s%d",
dev_base[base],
n);
/*
* does the /dev/ entry exist at all?
*/
if (stat (device, &s) == 0) {
/*
* yes: is a device attached?
*/
if (S_ISCHR (s.st_mode)) {
if ((fd = open (device, O_RDWR | O_NONBLOCK)) > 0 || errno == EBUSY) {
if (fd > 0)
close (fd);
devices = g_list_append (devices, device);
break;
}
}
}
g_free (device);
}
}
init = TRUE;
}
*klass_devices = devices;
return init;
}
void
gst_v4l2_probe_probe_property (GstPropertyProbe * probe,
guint prop_id, const GParamSpec * pspec, GList ** klass_devices)
{
GstElementClass *klass = GST_ELEMENT_GET_CLASS (probe);
switch (prop_id) {
case PROP_DEVICE:
#ifdef HAVE_GUDEV
if (!gst_v4l2_class_probe_devices_with_udev (klass, FALSE, klass_devices))
gst_v4l2_class_probe_devices (klass, FALSE, klass_devices);
#else /* !HAVE_GUDEV */
gst_v4l2_class_probe_devices (klass, FALSE, klass_devices);
#endif /* HAVE_GUDEV */
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (probe, prop_id, pspec);
break;
}
}
gboolean
gst_v4l2_probe_needs_probe (GstPropertyProbe * probe,
guint prop_id, const GParamSpec * pspec, GList ** klass_devices)
{
GstElementClass *klass = GST_ELEMENT_GET_CLASS (probe);
gboolean ret = FALSE;
switch (prop_id) {
case PROP_DEVICE:
#ifdef HAVE_GUDEV
ret =
!gst_v4l2_class_probe_devices_with_udev (klass, FALSE, klass_devices);
#else /* !HAVE_GUDEV */
ret = !gst_v4l2_class_probe_devices (klass, TRUE, klass_devices);
#endif /* HAVE_GUDEV */
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (probe, prop_id, pspec);
break;
}
return ret;
}
static GValueArray *
gst_v4l2_class_list_devices (GstElementClass * klass, GList ** klass_devices)
{
GValueArray *array;
GValue value = { 0 };
GList *item;
if (!*klass_devices)
return NULL;
array = g_value_array_new (g_list_length (*klass_devices));
item = *klass_devices;
g_value_init (&value, G_TYPE_STRING);
while (item) {
gchar *device = item->data;
g_value_set_string (&value, device);
g_value_array_append (array, &value);
item = item->next;
}
g_value_unset (&value);
return array;
}
GValueArray *
gst_v4l2_probe_get_values (GstPropertyProbe * probe,
guint prop_id, const GParamSpec * pspec, GList ** klass_devices)
{
GstElementClass *klass = GST_ELEMENT_GET_CLASS (probe);
GValueArray *array = NULL;
switch (prop_id) {
case PROP_DEVICE:
array = gst_v4l2_class_list_devices (klass, klass_devices);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (probe, prop_id, pspec);
break;
}
return array;
}
#endif
#define GST_TYPE_V4L2_DEVICE_FLAGS (gst_v4l2_device_get_type ())
static GType
......
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