static gboolean
gst_dvbsrc_frontend_status (GstDvbSrc * object)
{
fe_status_t status = 0;
gint i;
GST_INFO_OBJECT (object, "gst_dvbsrc_frontend_status\n");
if (object->fd_frontend < 0) {
GST_ERROR_OBJECT (object,
"Trying to get frontend status from not opened device!");
return FALSE;
} else
GST_INFO_OBJECT (object, "fd-frontend: %d", object->fd_frontend);
for (i = 0; i < 15; i++) {
usleep (1000000);
GST_INFO_OBJECT (object, ".");
if (ioctl (object->fd_frontend, FE_READ_STATUS, &status) == -1) {
GST_ERROR_OBJECT (object, "Failed reading frontend status.");
return FALSE;
}
gst_dvbsrc_output_frontend_stats (object);
if (status & FE_HAS_LOCK) {
break;
}
}
if (!(status & FE_HAS_LOCK)) {
GST_INFO_OBJECT (object,
"Not able to lock to the signal on the given frequency.\n");
return FALSE;
} else
return TRUE;
}
static GstFlowReturn
gst_dvbsrc_create (GstPushSrc * element, GstBuffer ** buf)
{
gint buffer_size;
GstFlowReturn retval = GST_FLOW_ERROR;
GstDvbSrc *object;
object = GST_DVBSRC (element);
GST_LOG ("fd_dvr: %d", object->fd_dvr);
//g_object_get(G_OBJECT(object), "blocksize", &buffer_size, NULL);
buffer_size = DEFAULT_BUFFER_SIZE;
/* device can not be tuned during read */
g_mutex_lock (&object->tune_mutex);
if (object->fd_dvr > -1) {
/* --- Read TS from DVR device --- */
GST_DEBUG_OBJECT (object, "Reading from DVR device");
retval = gst_dvbsrc_read_device (object, buffer_size, buf);
if (object->stats_interval != 0 &&
++object->stats_counter == object->stats_interval) {
gst_dvbsrc_output_frontend_stats (object);
object->stats_counter = 0;
}
}
g_mutex_unlock (&object->tune_mutex);
return retval;
}
static GstFlowReturn
gst_dvbsrc_create (GstPushSrc * element, GstBuffer ** buf)
{
gint buffer_size;
GstFlowReturn retval = GST_FLOW_ERROR;
GstDvbSrc *object;
object = GST_DVBSRC (element);
GST_LOG ("fd_dvr: %d", object->fd_dvr);
//g_object_get(G_OBJECT(object), "blocksize", &buffer_size, NULL);
buffer_size = DEFAULT_BUFFER_SIZE;
/* device can not be tuned during read */
g_mutex_lock (object->tune_mutex);
if (object->fd_dvr > -1) {
/* --- Read TS from DVR device --- */
GST_DEBUG_OBJECT (object, "Reading from DVR device");
*buf = read_device (object->fd_dvr, object->adapter_number,
object->frontend_number, buffer_size, object);
if (*buf != NULL) {
GstCaps *caps;
retval = GST_FLOW_OK;
caps = gst_pad_get_caps (GST_BASE_SRC_PAD (object));
gst_buffer_set_caps (*buf, caps);
gst_caps_unref (caps);
} else {
GST_DEBUG_OBJECT (object, "Failed to read from device");
gst_element_post_message (GST_ELEMENT_CAST (object),
gst_message_new_element (GST_OBJECT (object),
gst_structure_empty_new ("dvb-read-failure")));
}
if (object->stats_interval != 0 &&
++object->stats_counter == object->stats_interval) {
gst_dvbsrc_output_frontend_stats (object);
object->stats_counter = 0;
}
}
g_mutex_unlock (object->tune_mutex);
return retval;
}
