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

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This commit is contained in:
Sebastian Dröge 2013-07-23 10:14:01 +02:00
parent 5b702b894e
commit a68733ea91
2 changed files with 28 additions and 2 deletions
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27
gst/midi/midiparse.c
View file

@ -175,6 +175,9 @@ gst_midi_parse_init (GstMidiParse * filter)
gst_segment_init (&filter->segment, GST_FORMAT_TIME); gst_segment_init (&filter->segment, GST_FORMAT_TIME);
filter->adapter = gst_adapter_new (); filter->adapter = gst_adapter_new ();
filter->have_group_id = FALSE;
filter->group_id = G_MAXUINT;
} }
static void static void
@ -973,6 +976,7 @@ gst_midi_parse_parse_song (GstMidiParse * midiparse)
GstCaps *outcaps; GstCaps *outcaps;
guint8 *data; guint8 *data;
guint size, offset, length; guint size, offset, length;
GstEvent *event;
gchar *stream_id; gchar *stream_id;
GST_DEBUG_OBJECT (midiparse, "Parsing song"); GST_DEBUG_OBJECT (midiparse, "Parsing song");
@ -1004,8 +1008,25 @@ gst_midi_parse_parse_song (GstMidiParse * midiparse)
GST_DEBUG_OBJECT (midiparse, "song duration %" GST_TIME_FORMAT, GST_DEBUG_OBJECT (midiparse, "song duration %" GST_TIME_FORMAT,
GST_TIME_ARGS (midiparse->segment.duration)); GST_TIME_ARGS (midiparse->segment.duration));
stream_id = gst_pad_create_stream_id (midiparse->srcpad, GST_ELEMENT_CAST (midiparse), NULL); stream_id =
gst_pad_push_event (midiparse->srcpad, gst_event_new_stream_start (stream_id)); gst_pad_create_stream_id (midiparse->srcpad, GST_ELEMENT_CAST (midiparse),
NULL);
event =
gst_pad_get_sticky_event (midiparse->sinkpad, GST_EVENT_STREAM_START, 0);
if (event) {
if (gst_event_parse_group_id (event, &midiparse->group_id))
midiparse->have_group_id = TRUE;
else
midiparse->have_group_id = FALSE;
gst_event_unref (event);
} else if (!midiparse->have_group_id) {
midiparse->have_group_id = TRUE;
midiparse->group_id = gst_util_group_id_next ();
}
event = gst_event_new_stream_start (stream_id);
if (midiparse->have_group_id)
gst_event_set_group_id (event, midiparse->group_id);
gst_pad_push_event (midiparse->srcpad, event);
g_free (stream_id); g_free (stream_id);
outcaps = gst_pad_get_pad_template_caps (midiparse->srcpad); outcaps = gst_pad_get_pad_template_caps (midiparse->srcpad);
@ -1273,6 +1294,8 @@ gst_midi_parse_reset (GstMidiParse * midiparse)
g_list_free (midiparse->tracks); g_list_free (midiparse->tracks);
midiparse->tracks = NULL; midiparse->tracks = NULL;
midiparse->track_count = 0; midiparse->track_count = 0;
midiparse->have_group_id = FALSE;
midiparse->group_id = G_MAXUINT;
} }
static GstStateChangeReturn static GstStateChangeReturn

3
gst/midi/midiparse.h
View file

@ -55,6 +55,9 @@ struct _GstMidiParse
GstPad *sinkpad, *srcpad; GstPad *sinkpad, *srcpad;
gboolean have_group_id;
guint group_id;
/* input stream properties */ /* input stream properties */
GstMidiParseState state; GstMidiParseState state;