static void
bus_message_cb (GstBus *bus,
GstMessage *message,
gpointer user_data)
{
GthMediaViewerPage *self = user_data;
switch (GST_MESSAGE_TYPE (message)) {
case GST_MESSAGE_STATE_CHANGED: {
GstState old_state;
GstState new_state;
GstState pending_state;
old_state = new_state = GST_STATE_NULL;
gst_message_parse_state_changed (message, &old_state, &new_state, &pending_state);
self->priv->paused = (new_state == GST_STATE_PAUSED);
if (old_state == new_state)
break;
if (GST_MESSAGE_SRC (message) != GST_OBJECT (self->priv->playbin))
break;
update_current_position_bar (self, TRUE);
if ((old_state == GST_STATE_READY) && (new_state == GST_STATE_PAUSED)) {
update_stream_info (self);
gth_viewer_page_update_sensitivity (GTH_VIEWER_PAGE (self));
}
if ((old_state == GST_STATE_READY) || (new_state == GST_STATE_PAUSED))
update_volume_from_playbin (self);
if ((old_state == GST_STATE_PLAYING) || (new_state == GST_STATE_PLAYING))
update_play_button (self, new_state);
break;
}
case GST_MESSAGE_DURATION: {
GstFormat format;
format = GST_FORMAT_TIME;
gst_message_parse_duration (message, &format, &self->priv->duration);
update_current_position_bar (self, TRUE);
break;
}
case GST_MESSAGE_EOS:
reset_player_state (self);
break;
case GST_MESSAGE_BUFFERING: {
int percent = 0;
gst_message_parse_buffering (message, &percent);
g_print ("Buffering (%%%u percent done)", percent);
break;
}
default:
break;
}
}
static VALUE
duration_parse(VALUE self)
{
GstFormat format;
gint64 duration;
gst_message_parse_duration(SELF(self), &format, &duration);
return rb_ary_new3(2, GST_FORMAT2RVAL(format), LL2NUM(duration));
}
qint64 DurationMessage::duration() const
{
gint64 d;
gst_message_parse_duration(object<GstMessage>(), NULL, &d);
return d;
}
Format DurationMessage::format() const
{
GstFormat f;
gst_message_parse_duration(object<GstMessage>(), &f, NULL);
return static_cast<Format>(f);
}
