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 void
gth_media_viewer_page_real_view (GthViewerPage *base,
GthFileData *file_data)
{
GthMediaViewerPage *self;
char *uri;
self = (GthMediaViewerPage*) base;
g_return_if_fail (file_data != NULL);
if (! gstreamer_init ())
return;
gth_viewer_page_focus (GTH_VIEWER_PAGE (self));
if ((self->priv->file_data != NULL)
&& g_file_equal (file_data->file, self->priv->file_data->file)
&& (gth_file_data_get_mtime (file_data) == gth_file_data_get_mtime (self->priv->file_data)))
{
return;
}
/**/
_g_object_unref (self->priv->file_data);
self->priv->file_data = gth_file_data_dup (file_data);
self->priv->duration = 0;
_g_object_unref (self->priv->icon);
self->priv->icon = NULL;
_gth_media_viewer_page_update_caption (self);
/**/
gth_viewer_page_file_loaded (GTH_VIEWER_PAGE (self), TRUE);
g_signal_handlers_block_by_func(GET_WIDGET ("adjustment_position"), position_value_changed_cb, self);
gtk_adjustment_set_value (GTK_ADJUSTMENT (GET_WIDGET ("adjustment_position")), 0.0);
g_signal_handlers_unblock_by_func(GET_WIDGET ("adjustment_position"), position_value_changed_cb, self);
reset_player_state (self);
if (self->priv->playbin == NULL)
return;
gst_element_set_state (self->priv->playbin, GST_STATE_NULL);
uri = g_file_get_uri (self->priv->file_data->file);
g_object_set (G_OBJECT (self->priv->playbin), "uri", uri, NULL);
gdk_threads_add_idle (set_to_paused, self);
g_free (uri);
}
static void
gth_media_viewer_page_real_view (GthViewerPage *base,
GthFileData *file_data)
{
GthMediaViewerPage *self;
char *uri;
self = (GthMediaViewerPage*) base;
g_return_if_fail (file_data != NULL);
if (! gstreamer_init ())
return;
gth_viewer_page_focus (GTH_VIEWER_PAGE (self));
if ((self->priv->file_data != NULL)
&& g_file_equal (file_data->file, self->priv->file_data->file)
&& (gth_file_data_get_mtime (file_data) == gth_file_data_get_mtime (self->priv->file_data)))
{
return;
}
/**/
_g_object_unref (self->priv->file_data);
self->priv->file_data = gth_file_data_dup (file_data);
self->priv->duration = 0;
self->priv->has_audio = FALSE;
self->priv->has_video = FALSE;
_g_object_unref (self->priv->icon);
self->priv->icon = NULL;
_gth_media_viewer_page_update_caption (self);
/**/
g_signal_handlers_block_by_func(GET_WIDGET ("position_adjustment"), position_value_changed_cb, self);
gtk_adjustment_set_value (GTK_ADJUSTMENT (GET_WIDGET ("position_adjustment")), 0.0);
g_signal_handlers_unblock_by_func(GET_WIDGET ("position_adjustment"), position_value_changed_cb, self);
reset_player_state (self);
create_playbin (self);
if (self->priv->playbin == NULL)
return;
uri = g_file_get_uri (self->priv->file_data->file);
_gth_media_viewer_page_set_uri (self, uri, self->priv->visible ? GST_STATE_PLAYING : GST_STATE_PAUSED);
g_free (uri);
}
static void
bus_message_cb (GstBus *bus,
GstMessage *message,
gpointer user_data)
{
GthMediaViewerPage *self = user_data;
if (GST_MESSAGE_SRC (message) != GST_OBJECT (self->priv->playbin))
return;
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);
if (old_state == new_state)
break;
self->priv->paused = (new_state == GST_STATE_PAUSED);
update_current_position_bar (self);
if ((old_state == GST_STATE_NULL) && (new_state == GST_STATE_READY) && (pending_state != GST_STATE_PAUSED)) {
update_stream_info (self);
gth_viewer_page_update_sensitivity (GTH_VIEWER_PAGE (self));
gth_viewer_page_file_loaded (GTH_VIEWER_PAGE (self), self->priv->file_data, 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));
gth_viewer_page_file_loaded (GTH_VIEWER_PAGE (self), self->priv->file_data, TRUE);
}
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_CHANGED:
self->priv->duration = 0;
update_current_position_bar (self);
break;
case GST_MESSAGE_EOS:
reset_player_state (self);
break;
case GST_MESSAGE_BUFFERING: {
int percent = 0;
gst_message_parse_buffering (message, &percent);
gst_element_set_state (self->priv->playbin, (percent == 100) ? GST_STATE_PLAYING : GST_STATE_PAUSED);
break;
}
case GST_MESSAGE_ERROR:
gth_viewer_page_file_loaded (GTH_VIEWER_PAGE (self), self->priv->file_data, FALSE);
break;
default:
break;
}
}
