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multipartdemux: Send stream-start event

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This event was not sent. Send it before caps, this requires the pad to
be parented. This removes warning like: "Got data flow before
stream-start event".

Fixes https://bugzilla.gnome.org/show_bug.cgi?id=731475
This commit is contained in:
Nicolas Dufresne 2014-06-10 15:42:14 -04:00
parent 9fda7b107f
commit 9966fdfa75
2 changed files with 39 additions and 4 deletions
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39
gst/multipart/multipartdemux.c
View file

@ -188,6 +188,8 @@ gst_multipart_demux_init (GstMultipartDemux * multipart)
multipart->header_completed = FALSE;
multipart->scanpos = 0;
multipart->singleStream = DEFAULT_SINGLE_STREAM;
multipart->have_group_id = FALSE;
multipart->group_id = G_MAXUINT;
}
static void
@ -296,6 +298,8 @@ gst_multipart_find_pad_by_mime (GstMultipartDemux * demux, gchar * mime,
gchar *name;
const gchar *capsname;
GstCaps *caps;
gchar *stream_id;
GstEvent *event;
mppad = g_new0 (GstMultipartPad, 1);
@ -316,17 +320,42 @@ gst_multipart_find_pad_by_mime (GstMultipartDemux * demux, gchar * mime,
demux->srcpads = g_slist_prepend (demux->srcpads, mppad);
demux->numpads++;
gst_pad_use_fixed_caps (pad);
gst_pad_set_active (pad, TRUE);
gst_element_add_pad (GST_ELEMENT_CAST (demux), pad);
/* prepare and send stream-start */
if (!demux->have_group_id) {
event = gst_pad_get_sticky_event (demux->sinkpad,
GST_EVENT_STREAM_START, 0);
if (event) {
demux->have_group_id =
gst_event_parse_group_id (event, &demux->group_id);
gst_event_unref (event);
} else if (!demux->have_group_id) {
demux->have_group_id = TRUE;
demux->group_id = gst_util_group_id_next ();
}
}
stream_id = gst_pad_create_stream_id (pad,
GST_ELEMENT_CAST (demux), demux->mime_type);
event = gst_event_new_stream_start (stream_id);
if (demux->have_group_id)
gst_event_set_group_id (event, demux->group_id);
gst_pad_push_event (pad, event);
g_free (stream_id);
/* take the mime type, convert it to the caps name */
capsname = gst_multipart_demux_get_gstname (demux, mime);
caps = gst_caps_from_string (capsname);
GST_DEBUG_OBJECT (demux, "caps for pad: %s", capsname);
gst_pad_use_fixed_caps (pad);
gst_pad_set_active (pad, TRUE);
gst_pad_set_caps (pad, caps);
gst_caps_unref (caps);
gst_element_add_pad (GST_ELEMENT_CAST (demux), pad);
if (created) {
*created = TRUE;
}
@ -677,6 +706,8 @@ gst_multipart_demux_change_state (GstElement * element,
multipart->content_length = -1;
multipart->scanpos = 0;
gst_multipart_demux_remove_src_pads (multipart);
multipart->have_group_id = FALSE;
multipart->group_id = G_MAXUINT;
break;
case GST_STATE_CHANGE_READY_TO_NULL:
break;

4
gst/multipart/multipartdemux.h
View file

@ -87,6 +87,10 @@ struct _GstMultipartDemux
gint scanpos;
gboolean singleStream;
/* to handle stream-start */
gboolean have_group_id;
guint group_id;
};
struct _GstMultipartDemuxClass