static VALUE
new_clock_parse(VALUE self)
{
GstClock *clock;
gst_message_parse_new_clock(SELF(self), &clock);
return GOBJ2RVAL(clock);
}
/* returns TRUE if there was an error or we caught a keyboard interrupt. */
static gboolean
event_loop (GstElement * pipeline, gboolean blocking, GstState target_state)
{
GstBus *bus;
GstMessage *message = NULL;
gboolean res = FALSE;
gboolean buffering = FALSE;
bus = gst_element_get_bus (GST_ELEMENT (pipeline));
#ifndef DISABLE_FAULT_HANDLER
g_timeout_add (50, (GSourceFunc) check_intr, pipeline);
#endif
while (TRUE) {
message = gst_bus_poll (bus, GST_MESSAGE_ANY, blocking ? -1 : 0);
/* if the poll timed out, only when !blocking */
if (message == NULL)
goto exit;
switch (GST_MESSAGE_TYPE (message)) {
case GST_MESSAGE_NEW_CLOCK:
{
GstClock *clock;
gst_message_parse_new_clock (message, &clock);
g_print ("New clock: %s\n", (clock ? GST_OBJECT_NAME (clock) : "NULL"));
break;
}
case GST_MESSAGE_EOS:
g_print ("Got EOS from element \"%s\".\n",
GST_STR_NULL (GST_ELEMENT_NAME (GST_MESSAGE_SRC (message))));
goto exit;
case GST_MESSAGE_TAG:
if (tags) {
GstTagList *tags;
gst_message_parse_tag (message, &tags);
g_print ("FOUND TAG : found by element \"%s\".\n",
GST_STR_NULL (GST_ELEMENT_NAME (GST_MESSAGE_SRC (message))));
gst_tag_list_foreach (tags, print_tag, NULL);
gst_tag_list_free (tags);
}
break;
case GST_MESSAGE_INFO:{
GError *gerror;
gchar *debug;
gchar *name = gst_object_get_path_string (GST_MESSAGE_SRC (message));
gst_message_parse_info (message, &gerror, &debug);
if (debug) {
g_print ("INFO:\n%s\n", debug);
}
g_error_free (gerror);
g_free (debug);
g_free (name);
break;
}
case GST_MESSAGE_WARNING:{
GError *gerror;
gchar *debug;
gchar *name = gst_object_get_path_string (GST_MESSAGE_SRC (message));
/* dump graph on warning */
GST_DEBUG_BIN_TO_DOT_FILE_WITH_TS (GST_BIN (pipeline),
GST_DEBUG_GRAPH_SHOW_ALL, "gst-launch.warning");
gst_message_parse_warning (message, &gerror, &debug);
g_print ("WARNING: from element %s: %s\n", name, gerror->message);
if (debug) {
g_print ("Additional debug info:\n%s\n", debug);
}
g_error_free (gerror);
g_free (debug);
g_free (name);
break;
}
case GST_MESSAGE_ERROR:{
GError *gerror;
gchar *debug;
/* dump graph on error */
GST_DEBUG_BIN_TO_DOT_FILE_WITH_TS (GST_BIN (pipeline),
GST_DEBUG_GRAPH_SHOW_ALL, "gst-launch.error");
gst_message_parse_error (message, &gerror, &debug);
gst_object_default_error (GST_MESSAGE_SRC (message), gerror, debug);
g_error_free (gerror);
g_free (debug);
/* we have an error */
res = TRUE;
goto exit;
}
case GST_MESSAGE_STATE_CHANGED:{
GstState old, newX, pending;
gst_message_parse_state_changed (message, &old, &newX, &pending);
/* we only care about pipeline state change messages */
if (GST_MESSAGE_SRC (message) != GST_OBJECT_CAST (pipeline))
break;
/* dump graph for pipeline state changes */
{
gchar *dump_name = g_strdup_printf ("gst-launch.%s_%s",
gst_element_state_get_name (old),
gst_element_state_get_name (newX));
GST_DEBUG_BIN_TO_DOT_FILE_WITH_TS (GST_BIN (pipeline),
GST_DEBUG_GRAPH_SHOW_ALL, dump_name);
g_free (dump_name);
}
/* ignore when we are buffering since then we mess with the states
* ourselves. */
if (buffering) {
fprintf (stderr,
"Prerolled, waiting for buffering to finish...\n");
break;
}
/* if we reached the final target state, exit */
if (target_state == GST_STATE_PAUSED && newX == target_state)
goto exit;
/* else not an interesting message */
break;
}
case GST_MESSAGE_BUFFERING:{
gint percent;
gst_message_parse_buffering (message, &percent);
fprintf (stderr, "%s %d%% \r", "buffering...", percent);
/* no state management needed for live pipelines */
if (is_live)
break;
if (percent == 100) {
/* a 100% message means buffering is done */
buffering = FALSE;
/* if the desired state is playing, go back */
if (target_state == GST_STATE_PLAYING) {
fprintf (stderr,
"Done buffering, setting pipeline to PLAYING ...\n");
gst_element_set_state (pipeline, GST_STATE_PLAYING);
} else
goto exit;
} else {
/* buffering busy */
if (buffering == FALSE && target_state == GST_STATE_PLAYING) {
/* we were not buffering but PLAYING, PAUSE the pipeline. */
fprintf (stderr, "Buffering, setting pipeline to PAUSED ...\n");
gst_element_set_state (pipeline, GST_STATE_PAUSED);
}
buffering = TRUE;
}
break;
}
case GST_MESSAGE_LATENCY:
{
fprintf (stderr, "Redistribute latency...\n");
gst_bin_recalculate_latency (GST_BIN (pipeline));
break;
}
case GST_MESSAGE_APPLICATION:{
const GstStructure *s;
s = gst_message_get_structure (message);
if (gst_structure_has_name (s, "GstLaunchInterrupt")) {
/* this application message is posted when we caught an interrupt and
* we need to stop the pipeline. */
fprintf (stderr, "Interrupt: Stopping pipeline ...\n");
/* return TRUE when we caught an interrupt */
res = TRUE;
goto exit;
}
}
default:
/* just be quiet by default */
break;
}
if (message)
gst_message_unref (message);
}
g_assert_not_reached ();
exit:
{
if (message)
gst_message_unref (message);
gst_object_unref (bus);
return res;
}
}
