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playbin2: Don't stop completely on initialization errors from subtitle elements

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Instead disable the subtitles and play the other parts of the stream.

Fixes bug #587704.
This commit is contained in:
Sebastian Dröge 2009-10-08 19:55:42 +02:00
parent d40246ff7d
commit a4bc39ef48
1 changed files with 106 additions and 6 deletions
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112
gst/playback/gstplaybin2.c
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@ -522,6 +522,10 @@ static GstPad *gst_play_bin_get_text_pad (GstPlayBin * playbin, gint stream);
static gboolean setup_next_source (GstPlayBin * playbin, GstState target);
static void no_more_pads_cb (GstElement * decodebin, GstSourceGroup * group);
static void pad_removed_cb (GstElement * decodebin, GstPad * pad,
GstSourceGroup * group);
static GstElementClass *parent_class;
static guint gst_play_bin_signals[LAST_SIGNAL] = { 0 };
@ -532,6 +536,12 @@ GST_ELEMENT_DETAILS ("Player Bin 2",
"Autoplug and play media from an uri",
"Wim Taymans <wim.taymans@gmail.com>");
#define REMOVE_SIGNAL(obj,id) \
if (id) { \
g_signal_handler_disconnect (obj, id); \
id = 0; \
}
static void
gst_play_marshal_BUFFER__BOXED (GClosure * closure,
GValue * return_value G_GNUC_UNUSED,
@ -1800,9 +1810,38 @@ static const gchar *blacklisted_mimes[] = {
"video/x-dvd-subpicture", "subpicture/x-pgs", NULL
};
/* Returns TRUE if child is object or any parent (transitive)
* of child is object */
static gboolean
_gst_object_contains_object (GstObject * object, GstObject * child)
{
GstObject *parent, *tmp;
if (!object || !child)
return FALSE;
parent = gst_object_ref (child);
do {
if (parent == object) {
gst_object_unref (parent);
return TRUE;
}
tmp = gst_object_get_parent (parent);
gst_object_unref (parent);
parent = tmp;
} while (parent);
return FALSE;
}
static void
gst_play_bin_handle_message (GstBin * bin, GstMessage * msg)
{
GstPlayBin *playbin = GST_PLAY_BIN (bin);
GstSourceGroup *group;
if (gst_is_missing_plugin_message (msg)) {
gchar *detail;
guint i;
@ -1818,6 +1857,73 @@ gst_play_bin_handle_message (GstBin * bin, GstMessage * msg)
}
g_free (detail);
}
group = playbin->curr_group;
/* If we get an error of the subtitle uridecodebin transform
* them into warnings and disable the subtitles */
if (group && group->pending && group->suburidecodebin) {
GstObject *srcparent = gst_object_get_parent (GST_OBJECT_CAST (msg->src));
if (G_UNLIKELY (_gst_object_contains_object (GST_OBJECT_CAST
(group->suburidecodebin), msg->src)
&& GST_MESSAGE_TYPE (msg) == GST_MESSAGE_ERROR)) {
GError *err;
gchar *debug = NULL;
GstMessage *new_msg;
GstIterator *it;
gboolean done = FALSE;
gst_message_parse_error (msg, &err, &debug);
new_msg = gst_message_new_warning (msg->src, err, debug);
gst_message_unref (msg);
msg = new_msg;
REMOVE_SIGNAL (group->suburidecodebin, group->sub_pad_added_id);
REMOVE_SIGNAL (group->suburidecodebin, group->sub_pad_removed_id);
REMOVE_SIGNAL (group->suburidecodebin, group->sub_no_more_pads_id);
it = gst_element_iterate_src_pads (group->suburidecodebin);
while (it && !done) {
GstPad *p = NULL;
GstIteratorResult res;
res = gst_iterator_next (it, (gpointer) & p);
switch (res) {
case GST_ITERATOR_DONE:
done = TRUE;
break;
case GST_ITERATOR_OK:
pad_removed_cb (NULL, p, group);
gst_object_unref (p);
break;
case GST_ITERATOR_RESYNC:
gst_iterator_resync (it);
break;
case GST_ITERATOR_ERROR:
done = TRUE;
break;
}
}
if (it)
gst_iterator_free (it);
gst_object_ref (group->suburidecodebin);
gst_bin_remove (bin, group->suburidecodebin);
gst_element_set_locked_state (group->suburidecodebin, FALSE);
gst_element_set_state (group->suburidecodebin, GST_STATE_NULL);
gst_object_unref (group->suburidecodebin);
group->suburidecodebin = NULL;
no_more_pads_cb (NULL, group);
}
if (srcparent)
gst_object_unref (srcparent);
}
GST_BIN_CLASS (parent_class)->handle_message (bin, msg);
}
@ -2516,12 +2622,6 @@ group_set_locked_state_unlocked (GstPlayBin * playbin, GstSourceGroup * group,
return TRUE;
}
#define REMOVE_SIGNAL(obj,id) \
if (id) { \
g_signal_handler_disconnect (obj, id); \
id = 0; \
}
/* must be called with PLAY_BIN_LOCK */
static gboolean
activate_group (GstPlayBin * playbin, GstSourceGroup * group, GstState target)