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tsparse: Add support for group-id in the stream-start event

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This commit is contained in:
Sebastian Dröge 2013-07-23 10:21:26 +02:00
parent 4ec7baa61a
commit 2a1877909f
2 changed files with 48 additions and 2 deletions
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47
gst/mpegtsdemux/mpegtsparse.c
View file

@ -156,6 +156,9 @@ mpegts_parse_init (MpegTSParse2 * parse)
parse->srcpad = gst_pad_new_from_static_template (&src_template, "src");
parse->first = TRUE;
gst_element_add_pad (GST_ELEMENT (parse), parse->srcpad);
parse->have_group_id = FALSE;
parse->group_id = G_MAXUINT;
}
static void
@ -185,19 +188,40 @@ mpegts_parse_reset (MpegTSBase * base)
MPEGTS_BIT_SET (base->known_psi, 0x1f);
GST_MPEGTS_PARSE (base)->first = TRUE;
GST_MPEGTS_PARSE (base)->have_group_id = FALSE;
GST_MPEGTS_PARSE (base)->group_id = G_MAXUINT;
}
static void
prepare_src_pad (MpegTSBase * base, MpegTSParse2 * parse)
{
if (base->packetizer->packet_size) {
GstEvent *event;
gchar *stream_id;
GstCaps *caps;
stream_id =
gst_pad_create_stream_id (parse->srcpad, GST_ELEMENT_CAST (base),
"multi-program");
gst_pad_push_event (parse->srcpad, gst_event_new_stream_start (stream_id));
event =
gst_pad_get_sticky_event (parse->parent.sinkpad, GST_EVENT_STREAM_START,
0);
if (event) {
if (gst_event_parse_group_id (event, &parse->group_id))
parse->have_group_id = TRUE;
else
parse->have_group_id = FALSE;
gst_event_unref (event);
} else if (!parse->have_group_id) {
parse->have_group_id = TRUE;
parse->group_id = gst_util_group_id_next ();
}
event = gst_event_new_stream_start (stream_id);
if (parse->have_group_id)
gst_event_set_group_id (event, parse->group_id);
gst_pad_push_event (parse->srcpad, event);
g_free (stream_id);
caps = gst_caps_new_simple ("video/mpegts",
@ -305,6 +329,7 @@ mpegts_parse_request_new_pad (GstElement * element, GstPadTemplate * template,
MpegTSParseProgram *parseprogram;
GstPad *pad;
gint program_num = -1;
GstEvent *event;
gchar *stream_id;
g_return_val_if_fail (template != NULL, NULL);
@ -337,7 +362,25 @@ mpegts_parse_request_new_pad (GstElement * element, GstPadTemplate * template,
gst_pad_set_active (pad, TRUE);
stream_id = gst_pad_create_stream_id (pad, element, padname + 8);
gst_pad_push_event (pad, gst_event_new_stream_start (stream_id));
event =
gst_pad_get_sticky_event (parse->parent.sinkpad, GST_EVENT_STREAM_START,
0);
if (event) {
if (gst_event_parse_group_id (event, &parse->group_id))
parse->have_group_id = TRUE;
else
parse->have_group_id = FALSE;
gst_event_unref (event);
} else if (!parse->have_group_id) {
parse->have_group_id = TRUE;
parse->group_id = gst_util_group_id_next ();
}
event = gst_event_new_stream_start (stream_id);
if (parse->have_group_id)
gst_event_set_group_id (event, parse->group_id);
gst_pad_push_event (pad, event);
g_free (stream_id);
gst_element_add_pad (element, pad);

3
gst/mpegtsdemux/mpegtsparse.h
View file

@ -48,6 +48,9 @@ typedef struct _MpegTSParse2Class MpegTSParse2Class;
struct _MpegTSParse2 {
MpegTSBase parent;
gboolean have_group_id;
guint group_id;
/* Always present source pad */
GstPad *srcpad;