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niimaq: send DateTime tag event

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This commit is contained in:
Joshua M. Doe 2012-06-14 13:42:20 -04:00
parent 18f3e03c7e
commit d5409fca8a
2 changed files with 21 additions and 0 deletions
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18
sys/niimaq/gstniimaq.c
View File

@ -143,6 +143,9 @@ gst_niimaqsrc_frame_start_callback (SESSION_ID sid, IMG_ERR err,
GstNiImaqSrcFrameTime *frametime = g_new (GstNiImaqSrcFrameTime, 1);
uInt32 val;
if (G_UNLIKELY (niimaqsrc->start_time == NULL))
niimaqsrc->start_time = gst_date_time_new_now_utc ();
/* get clock time and set to frametime struct */
clock = gst_element_get_clock (GST_ELEMENT (niimaqsrc));
if (G_LIKELY (clock)) {
@ -520,6 +523,9 @@ gst_niimaqsrc_init (GstNiImaqSrc * niimaqsrc, GstNiImaqSrcClass * g_class)
niimaqsrc->timelist = NULL;
niimaqsrc->frametime_mutex = g_mutex_new ();
niimaqsrc->start_time = NULL;
niimaqsrc->start_time_sent = FALSE;
}
/**
@ -546,6 +552,11 @@ gst_niimaqsrc_dispose (GObject * object)
niimaqsrc->frametime_mutex = NULL;
/* unref objects */
if (niimaqsrc->start_time) {
gst_date_time_unref (niimaqsrc->start_time);
niimaqsrc->start_time = NULL;
}
if (niimaqsrc->caps) {
gst_caps_unref (niimaqsrc->caps);
niimaqsrc->caps = NULL;
@ -837,6 +848,13 @@ gst_niimaqsrc_create (GstPushSrc * psrc, GstBuffer ** buffer)
src->rate_denominator, src->rate_numerator);
} */
if (G_UNLIKELY (niimaqsrc->start_time && !niimaqsrc->start_time_sent)) {
GstTagList *tl =
gst_tag_list_new_full (GST_TAG_DATE_TIME, niimaqsrc->start_time, NULL);
GstEvent *e = gst_event_new_tag (tl);
gst_pad_push_event (GST_PAD (GST_BASE_SRC_PAD (niimaqsrc)), e);
}
return res;
error:

3
sys/niimaq/gstniimaq.h
View File

@ -75,6 +75,9 @@ struct _GstNiImaqSrc {
GSList *timelist;
GMutex *frametime_mutex;
GstDateTime *start_time;
gboolean start_time_sent;
};
struct _GstNiImaqSrcClass {