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;
}
}
G_MODULE_EXPORT gboolean
live_preview_cb(GstBus *bus, GstMessage *msg, gpointer data)
{
signal_user_data_t *ud = (signal_user_data_t*)data;
switch (GST_MESSAGE_TYPE(msg))
{
case GST_MESSAGE_UNKNOWN:
{
//printf("unknown");
} break;
case GST_MESSAGE_EOS:
{
// Done
//printf("eos\n");
live_preview_stop(ud);
gst_element_seek(ud->preview->play, 1.0,
GST_FORMAT_TIME, GST_SEEK_FLAG_FLUSH | GST_SEEK_FLAG_KEY_UNIT,
GST_SEEK_TYPE_SET, 0,
GST_SEEK_TYPE_NONE, GST_CLOCK_TIME_NONE);
} break;
case GST_MESSAGE_ERROR:
{
//printf("error\n");
GError *err;
gchar *debug;
gst_message_parse_error(msg, &err, &debug);
g_warning("Gstreamer Error: %s", err->message);
g_error_free(err);
g_free(debug);
} break;
case GST_MESSAGE_WARNING:
case GST_MESSAGE_INFO:
case GST_MESSAGE_TAG:
case GST_MESSAGE_BUFFERING:
case GST_MESSAGE_STATE_CHANGED:
{
//printf("state change %x\n", state);
GstState state, pending;
gst_element_get_state(ud->preview->play, &state, &pending, 0);
if (state == GST_STATE_PAUSED || state == GST_STATE_PLAYING)
{
update_stream_info(ud);
}
} break;
case GST_MESSAGE_STATE_DIRTY:
{
//printf("state dirty\n");
} break;
case GST_MESSAGE_STEP_DONE:
{
//printf("step done\n");
} break;
case GST_MESSAGE_CLOCK_PROVIDE:
{
//printf("clock provide\n");
} break;
case GST_MESSAGE_CLOCK_LOST:
{
//printf("clock lost\n");
} break;
case GST_MESSAGE_NEW_CLOCK:
{
//printf("new clock\n");
} break;
case GST_MESSAGE_STRUCTURE_CHANGE:
{
//printf("structure change\n");
} break;
case GST_MESSAGE_STREAM_STATUS:
{
//printf("stream status\n");
} break;
case GST_MESSAGE_APPLICATION:
{
//printf("application\n");
} break;
case GST_MESSAGE_ELEMENT:
{
//printf("element\n");
if (gst_is_missing_plugin_message(msg))
{
GtkWindow *hb_window;
hb_window = GTK_WINDOW(GHB_WIDGET(ud->builder, "hb_window"));
gst_element_set_state(ud->preview->play, GST_STATE_PAUSED);
gchar *message, *desc;
desc = gst_missing_plugin_message_get_description(msg);
message = g_strdup_printf(
_("Missing GStreamer plugin\n"
"Audio or Video may not play as expected\n\n%s"),
desc);
ghb_message_dialog(hb_window, GTK_MESSAGE_WARNING,
message, "Ok", NULL);
g_free(message);
gst_element_set_state(ud->preview->play, GST_STATE_PLAYING);
}
else if (msg->src == GST_OBJECT_CAST(ud->preview->vsink))
{
const GstStructure *gstStruct;
const GValue *val;
gstStruct = gst_message_get_structure(msg);
if (gstStruct != NULL &&
(gst_structure_has_name(gstStruct, "preroll-pixbuf") ||
gst_structure_has_name(gstStruct, "pixbuf")))
{
val = gst_structure_get_value(gstStruct, "pixbuf");
if (val != NULL)
{
GdkPixbuf * pix;
GtkWidget *widget;
int width, height;
if (ud->preview->pix != NULL)
g_object_unref(ud->preview->pix);
if (ud->preview->scaled_pix != NULL)
g_object_unref(ud->preview->scaled_pix);
pix = GDK_PIXBUF(g_value_dup_object(val));
width = gdk_pixbuf_get_width(pix);
height = gdk_pixbuf_get_height(pix);
if (width != ud->preview->width ||
height != ud->preview->height ||
width != ud->preview->render_width ||
height != ud->preview->render_height)
{
double xscale, yscale;
xscale = (double)ud->preview->render_width /
ud->preview->width;
yscale = (double)ud->preview->render_height /
ud->preview->height;
if (xscale <= yscale)
{
width = ud->preview->render_width;
height = ud->preview->height * xscale;
}
else
{
width = ud->preview->width * yscale;
height = ud->preview->render_height;
}
ud->preview->scaled_pix =
gdk_pixbuf_scale_simple(pix,
width, height,
GDK_INTERP_BILINEAR);
g_object_ref(pix);
}
else
{
ud->preview->scaled_pix = pix;
}
ud->preview->pix = ud->preview->scaled_pix;
g_object_ref(ud->preview->pix);
widget = GHB_WIDGET (ud->builder, "preview_image");
gtk_widget_queue_draw(widget);
}
}
}
} break;
case GST_MESSAGE_SEGMENT_START:
{
//printf("segment start\n");
} break;
case GST_MESSAGE_SEGMENT_DONE:
{
//printf("segment done\n");
} break;
case GST_MESSAGE_DURATION_CHANGED:
{
//printf("duration change\n");
};
case GST_MESSAGE_LATENCY:
{
//printf("latency\n");
};
case GST_MESSAGE_ASYNC_START:
{
//printf("async start\n");
} break;
case GST_MESSAGE_ASYNC_DONE:
{
//printf("async done\n");
} break;
case GST_MESSAGE_REQUEST_STATE:
{
//printf("request state\n");
} break;
case GST_MESSAGE_STEP_START:
{
//printf("step start\n");
} break;
case GST_MESSAGE_QOS:
{
//printf("qos\n");
} break;
case GST_MESSAGE_PROGRESS:
{
//printf("progress\n");
} break;
case GST_MESSAGE_TOC:
{
//printf("toc\n");
} break;
case GST_MESSAGE_RESET_TIME:
{
//printf("reset time\n");
} break;
case GST_MESSAGE_STREAM_START:
{
//printf("stream start\n");
};
case GST_MESSAGE_ANY:
{
//printf("any\n");
} break;
default:
{
// Ignore
//printf("?msg? %x\n", GST_MESSAGE_TYPE(msg));
}
}
return TRUE;
}
static gboolean
message_loop_to_state_change (MetadataExtractor *extractor,
GstState state)
{
GstBus *bus;
GstMessageType events;
g_return_val_if_fail (extractor, FALSE);
g_return_val_if_fail (extractor->playbin, FALSE);
bus = gst_element_get_bus (extractor->playbin);
events = (GST_MESSAGE_TAG | GST_MESSAGE_STATE_CHANGED | GST_MESSAGE_ERROR | GST_MESSAGE_EOS);
for (;;) {
GstMessage *message;
message = gst_bus_timed_pop_filtered (bus, GST_SECOND * 5, events);
if (message == NULL)
goto timed_out;
switch (GST_MESSAGE_TYPE (message)) {
case GST_MESSAGE_STATE_CHANGED: {
GstState old_state;
GstState new_state;
old_state = new_state = GST_STATE_NULL;
gst_message_parse_state_changed (message, &old_state, &new_state, NULL);
if (old_state == new_state)
break;
/* we only care about playbin (pipeline) state changes */
if (GST_MESSAGE_SRC (message) != GST_OBJECT (extractor->playbin))
break;
if ((old_state == GST_STATE_READY) && (new_state == GST_STATE_PAUSED))
update_stream_info (extractor);
else if ((old_state == GST_STATE_PAUSED) && (new_state == GST_STATE_READY))
reset_extractor_data (extractor);
if (new_state == state) {
gst_message_unref (message);
goto success;
}
break;
}
case GST_MESSAGE_TAG: {
GstTagList *tag_list;
GstTagList *result;
tag_list = NULL;
gst_message_parse_tag (message, &tag_list);
result = gst_tag_list_merge (extractor->tagcache, tag_list, GST_TAG_MERGE_KEEP);
if (extractor->tagcache != NULL)
gst_tag_list_free (extractor->tagcache);
extractor->tagcache = result;
gst_tag_list_free (tag_list);
break;
}
case GST_MESSAGE_ERROR: {
gchar *debug = NULL;
GError *gsterror = NULL;
gst_message_parse_error (message, &gsterror, &debug);
/*g_warning ("Error: %s (%s)", gsterror->message, debug);*/
g_error_free (gsterror);
gst_message_unref (message);
g_free (debug);
goto error;
}
break;
case GST_MESSAGE_EOS: {
g_warning ("Media file could not be played.");
gst_message_unref (message);
goto error;
}
break;
default:
g_assert_not_reached ();
break;
}
gst_message_unref (message);
}
g_assert_not_reached ();
success:
/* state change succeeded */
GST_DEBUG ("state change to %s succeeded", gst_element_state_get_name (state));
return TRUE;
timed_out:
/* it's taking a long time to open */
GST_DEBUG ("state change to %s timed out, returning success", gst_element_state_get_name (state));
return TRUE;
error:
GST_DEBUG ("error while waiting for state change to %s", gst_element_state_get_name (state));
/* already set *error */
return FALSE;
}
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;
}
}
G_MODULE_EXPORT gboolean
live_preview_cb(GstBus *bus, GstMessage *msg, gpointer data)
{
signal_user_data_t *ud = (signal_user_data_t*)data;
switch (GST_MESSAGE_TYPE(msg))
{
case GST_MESSAGE_UNKNOWN:
{
//printf("unknown");
} break;
case GST_MESSAGE_EOS:
{
// Done
GtkImage *img;
//printf("eos");
img = GTK_IMAGE(GHB_WIDGET(ud->builder, "live_preview_play_image"));
gtk_image_set_from_icon_name(img, GHB_PLAY_ICON, GTK_ICON_SIZE_BUTTON);
gst_element_set_state(ud->preview->play, GST_STATE_PAUSED);
ud->preview->pause = TRUE;
gst_element_seek(ud->preview->play, 1.0,
GST_FORMAT_TIME, GST_SEEK_FLAG_FLUSH | GST_SEEK_FLAG_KEY_UNIT,
GST_SEEK_TYPE_SET, 0,
GST_SEEK_TYPE_NONE, GST_CLOCK_TIME_NONE);
} break;
case GST_MESSAGE_ERROR:
{
//printf("error\n");
GError *err;
gchar *debug;
gst_message_parse_error(msg, &err, &debug);
g_warning("Gstreamer Error: %s", err->message);
g_error_free(err);
g_free(debug);
} break;
case GST_MESSAGE_WARNING:
case GST_MESSAGE_INFO:
case GST_MESSAGE_TAG:
case GST_MESSAGE_BUFFERING:
case GST_MESSAGE_STATE_CHANGED:
{
GstState state, pending;
gst_element_get_state(ud->preview->play, &state, &pending, 0);
//printf("state change %x\n", state);
if (state == GST_STATE_PAUSED || state == GST_STATE_PLAYING)
{
update_stream_info(ud);
}
} break;
case GST_MESSAGE_STATE_DIRTY:
{
//printf("state dirty\n");
} break;
case GST_MESSAGE_STEP_DONE:
{
//printf("step done\n");
} break;
case GST_MESSAGE_CLOCK_PROVIDE:
{
//printf("clock provide\n");
} break;
case GST_MESSAGE_CLOCK_LOST:
{
//printf("clock lost\n");
} break;
case GST_MESSAGE_NEW_CLOCK:
{
//printf("new clock\n");
} break;
case GST_MESSAGE_STRUCTURE_CHANGE:
{
//printf("structure change\n");
} break;
case GST_MESSAGE_STREAM_STATUS:
{
//printf("stream status\n");
} break;
case GST_MESSAGE_APPLICATION:
{
//printf("application\n");
} break;
case GST_MESSAGE_ELEMENT:
{
//printf("element\n");
if (gst_is_missing_plugin_message(msg))
{
GtkWindow *hb_window;
hb_window = GTK_WINDOW(GHB_WIDGET(ud->builder, "hb_window"));
gst_element_set_state(ud->preview->play, GST_STATE_PAUSED);
gchar *message, *desc;
desc = gst_missing_plugin_message_get_description(msg);
message = g_strdup_printf(
_("Missing GStreamer plugin\n"
"Audio or Video may not play as expected\n\n%s"),
desc);
ghb_message_dialog(hb_window, GTK_MESSAGE_WARNING,
message, "Ok", NULL);
g_free(message);
gst_element_set_state(ud->preview->play, GST_STATE_PLAYING);
}
} break;
case GST_MESSAGE_SEGMENT_START:
{
//printf("segment start\n");
} break;
case GST_MESSAGE_SEGMENT_DONE:
{
//printf("segment done\n");
} break;
#if GST_CHECK_VERSION(1, 0, 0)
case GST_MESSAGE_DURATION_CHANGED:
{
//printf("duration change\n");
};
#endif
case GST_MESSAGE_LATENCY:
{
//printf("latency\n");
};
case GST_MESSAGE_ASYNC_START:
{
//printf("async start\n");
} break;
case GST_MESSAGE_ASYNC_DONE:
{
//printf("async done\n");
} break;
case GST_MESSAGE_REQUEST_STATE:
{
//printf("request state\n");
} break;
case GST_MESSAGE_STEP_START:
{
//printf("step start\n");
} break;
case GST_MESSAGE_QOS:
{
//printf("qos\n");
} break;
#if GST_CHECK_VERSION(1, 0, 0)
case GST_MESSAGE_PROGRESS:
{
//printf("progress\n");
} break;
case GST_MESSAGE_TOC:
{
//printf("toc\n");
} break;
case GST_MESSAGE_RESET_TIME:
{
//printf("reset time\n");
} break;
case GST_MESSAGE_STREAM_START:
{
//printf("stream start\n");
};
#endif
case GST_MESSAGE_ANY:
{
//printf("any\n");
} break;
default:
{
// Ignore
//printf("?msg? %x\n", GST_MESSAGE_TYPE(msg));
}
}
return TRUE;
}
