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rsndvdsrc: post a message with title number and durations

Browse source 
https://bugzilla.gnome.org/show_bug.cgi?id=672165
This commit is contained in:
Vincent Penquerc'h 2012-03-15 17:10:18 +00:00
parent f8cf7bf973
commit 9ebacafc6a
1 changed files with 50 additions and 0 deletions
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50
ext/resindvd/resindvdsrc.c
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@ -2427,6 +2427,53 @@ rsn_dvdsrc_src_event (GstBaseSrc * basesrc, GstEvent * event)
return res;
}
static void
rsn_dvdsrc_post_title_info (GstElement * element)
{
resinDvdSrc *src = RESINDVDSRC (element);
GstMessage *message;
GstStructure *s;
int32_t n, ntitles;
int res;
GValue array = { 0 };
res = dvdnav_get_number_of_titles (src->dvdnav, &ntitles);
if (res != DVDNAV_STATUS_OK) {
GST_WARNING_OBJECT (src, "Failed to get number of titles: %d", res);
return;
}
g_value_init (&array, GST_TYPE_ARRAY);
s = gst_structure_new ("application/x-gst-dvd", "event",
G_TYPE_STRING, "dvd-title-info", NULL);
for (n = 0; n < ntitles; ++n) {
uint64_t *times, duration;
uint32_t nchapters;
GValue item = { 0 };
g_value_init (&item, G_TYPE_UINT64);
nchapters =
dvdnav_describe_title_chapters (src->dvdnav, n, &times, &duration);
if (nchapters == 0) {
GST_WARNING_OBJECT (src, "Failed to get title %d info", n);
g_value_set_uint64 (&item, GST_CLOCK_TIME_NONE);
} else {
g_value_set_uint64 (&item, gst_util_uint64_scale (duration, GST_SECOND,
90000));
}
gst_value_array_append_value (&array, &item);
g_value_unset (&item);
}
gst_structure_set_value (s, "title-durations", &array);
g_value_unset (&array);
message = gst_message_new_element (GST_OBJECT (src), s);
gst_element_post_message (GST_ELEMENT_CAST (src), message);
}
static GstStateChangeReturn
rsn_dvdsrc_change_state (GstElement * element, GstStateChange transition)
{
@ -2463,6 +2510,9 @@ rsn_dvdsrc_change_state (GstElement * element, GstStateChange transition)
rsn_dvdsrc_check_nav_blocks (src);
g_mutex_unlock (src->dvd_lock);
break;
case GST_STATE_CHANGE_READY_TO_PAUSED:
rsn_dvdsrc_post_title_info (element);
break;
default:
break;
}