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mpegtsparse: Add tag event emission. Fixes #627253

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Sebastian Pölsterl 2010-10-28 11:43:34 +01:00 committed by Zaheer Abbas Merali
parent 748c8fbef9
commit 13431420eb
1 changed files with 97 additions and 0 deletions
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97
gst/mpegdemux/mpegtsparse.c
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@ -35,6 +35,7 @@
#define TS_LATENCY 700
#define TABLE_ID_UNSET 0xFF
#define RUNNING_STATUS_RUNNING 4
GST_DEBUG_CATEGORY_STATIC (mpegts_parse_debug);
#define GST_CAT_DEFAULT mpegts_parse_debug
@ -73,6 +74,9 @@ struct _MpegTSParsePad
/* the return of the latest push */
GstFlowReturn flow_return;
GstTagList *tags;
guint event_id;
};
static GQuark QUARK_PROGRAMS;
@ -135,6 +139,10 @@ static GstStateChangeReturn mpegts_parse_change_state (GstElement * element,
GstStateChange transition);
static gboolean mpegts_parse_src_pad_query (GstPad * pad, GstQuery * query);
static void _extra_init (GType type);
static void mpegts_parse_get_tags_from_sdt (MpegTSParse * parse,
GstStructure * sdt_info);
static void mpegts_parse_get_tags_from_eit (MpegTSParse * parse,
GstStructure * eit_info);
GST_BOILERPLATE_FULL (MpegTSParse, mpegts_parse, GstElement, GST_TYPE_ELEMENT,
_extra_init);
@ -623,6 +631,10 @@ mpegts_parse_create_tspad (MpegTSParse * parse, const gchar * pad_name)
static void
mpegts_parse_destroy_tspad (MpegTSParse * parse, MpegTSParsePad * tspad)
{
if (tspad->tags) {
gst_tag_list_free (tspad->tags);
}
/* free the wrapper */
g_free (tspad);
}
@ -725,6 +737,12 @@ mpegts_parse_tspad_push (MpegTSParse * parse, MpegTSParsePad * tspad,
if (tspad->program_number != -1) {
if (tspad->program) {
pad_pids = tspad->program->streams;
if (tspad->tags) {
gst_element_found_tags_for_pad (GST_ELEMENT_CAST (parse),
tspad->pad, tspad->tags);
tspad->tags = NULL;
}
} else {
/* there's a program filter on the pad but the PMT for the program has not
* been parsed yet, ignore the pad until we get a PMT */
@ -1080,6 +1098,8 @@ static void
mpegts_parse_apply_sdt (MpegTSParse * parse,
guint16 pmt_pid, GstStructure * sdt_info)
{
mpegts_parse_get_tags_from_sdt (parse, sdt_info);
gst_element_post_message (GST_ELEMENT_CAST (parse),
gst_message_new_element (GST_OBJECT (parse),
gst_structure_copy (sdt_info)));
@ -1089,6 +1109,8 @@ static void
mpegts_parse_apply_eit (MpegTSParse * parse,
guint16 pmt_pid, GstStructure * eit_info)
{
mpegts_parse_get_tags_from_eit (parse, eit_info);
gst_element_post_message (GST_ELEMENT_CAST (parse),
gst_message_new_element (GST_OBJECT (parse),
gst_structure_copy (eit_info)));
@ -1215,6 +1237,81 @@ mpegts_parse_handle_psi (MpegTSParse * parse, MpegTSPacketizerSection * section)
return res;
}
static void
mpegts_parse_get_tags_from_sdt (MpegTSParse * parse, GstStructure * sdt_info)
{
const GValue *services;
guint i;
services = gst_structure_get_value (sdt_info, "services");
for (i = 0; i < gst_value_list_get_size (services); i++) {
const GstStructure *service;
const gchar *sid_str;
gchar *tmp;
gint program_number;
MpegTSParseProgram *program;
service = gst_value_get_structure (gst_value_list_get_value (services, i));
/* get program_number from structure name
* which looks like service-%d */
sid_str = gst_structure_get_name (service);
tmp = g_strstr_len (sid_str, -1, "-");
if (tmp) {
program_number = atoi (++tmp);
}
program = mpegts_parse_get_program (parse, program_number);
if (program && program->tspad && !program->tspad->tags) {
program->tspad->tags = gst_tag_list_new_full (GST_TAG_ARTIST,
gst_structure_get_string (service, "name"), NULL);
}
}
}
static void
mpegts_parse_get_tags_from_eit (MpegTSParse * parse, GstStructure * eit_info)
{
const GValue *events;
guint i;
guint program_number;
MpegTSParseProgram *program;
gboolean present_following;
gst_structure_get_uint (eit_info, "service-id", &program_number);
program = mpegts_parse_get_program (parse, program_number);
gst_structure_get_boolean (eit_info, "present-following", &present_following);
if (program && program->tspad && present_following) {
events = gst_structure_get_value (eit_info, "events");
for (i = 0; i < gst_value_list_get_size (events); i++) {
const GstStructure *event;
const gchar *title;
guint status;
guint event_id;
guint duration;
event = gst_value_get_structure (gst_value_list_get_value (events, i));
title = gst_structure_get_string (event, "name");
gst_structure_get_uint (event, "event-id", &event_id);
gst_structure_get_uint (event, "running-status", &status);
if (title && event_id != program->tspad->event_id
&& status == RUNNING_STATUS_RUNNING) {
gst_structure_get_uint (event, "duration", &duration);
program->tspad->event_id = event_id;
program->tspad->tags = gst_tag_list_new_full (GST_TAG_TITLE,
title, GST_TAG_DURATION, duration * GST_SECOND, NULL);
}
}
}
}
static gboolean
mpegts_parse_sink_event (GstPad * pad, GstEvent * event)
{