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mpdparser: Load OnLoad external resources immediately instead of on demand

Browse source 
https://bugzilla.gnome.org/show_bug.cgi?id=752230
This commit is contained in:
Sebastian Dröge 2015-09-21 21:05:03 +02:00
parent 49931eda69
commit b70dab8f27
1 changed files with 172 additions and 0 deletions
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172
ext/dash/gstmpdparser.c
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@ -215,6 +215,12 @@ static void gst_mpdparser_free_active_stream (GstActiveStream * active_stream);
static GstUri *combine_urls (GstUri * base, GList * list, gchar ** query,
guint idx);
static GList *gst_mpd_client_fetch_external_period (GstMpdClient * client,
GstPeriodNode * period_node, gboolean * error);
static GList *gst_mpd_client_fetch_external_adaptation_set (GstMpdClient *
client, GstPeriodNode * period, GstAdaptationSetNode * adapt_set,
gboolean * error);
struct GstMpdParserUtcTimingMethod
{
const gchar *name;
@ -3216,6 +3222,169 @@ gst_mpd_client_check_profiles (GstMpdClient * client)
}
}
static gboolean
gst_mpd_client_fetch_on_load_external_resources (GstMpdClient * client)
{
GList *l;
for (l = client->mpd_node->Periods; l; /* explicitly advanced below */ ) {
GstPeriodNode *period = l->data;
GList *m;
if (period->xlink_href && period->actuate == GST_XLINK_ACTUATE_ON_LOAD) {
GList *new_periods, *prev, *next;
gboolean error;
new_periods =
gst_mpd_client_fetch_external_period (client, period, &error);
if (!new_periods && error)
goto syntax_error;
prev = l->prev;
client->mpd_node->Periods =
g_list_delete_link (client->mpd_node->Periods, l);
gst_mpdparser_free_period_node (period);
period = NULL;
/* Get new next node, we will insert before this */
if (prev)
next = prev->next;
else
next = client->mpd_node->Periods;
while (new_periods) {
client->mpd_node->Periods =
g_list_insert_before (client->mpd_node->Periods, next,
new_periods->data);
new_periods = g_list_delete_link (new_periods, new_periods);
}
next = NULL;
/* Update our iterator to the first new period if any, or the next */
if (prev)
l = prev->next;
else
l = client->mpd_node->Periods;
continue;
}
if (period->SegmentList && period->SegmentList->xlink_href
&& period->SegmentList->actuate == GST_XLINK_ACTUATE_ON_LOAD) {
GstSegmentListNode *new_segment_list;
gboolean error;
new_segment_list =
gst_mpd_client_fetch_external_segment_list (client, period, NULL,
NULL, NULL, period->SegmentList, &error);
if (!new_segment_list && error)
goto syntax_error;
gst_mpdparser_free_segment_list_node (period->SegmentList);
period->SegmentList = new_segment_list;
}
for (m = period->AdaptationSets; m; /* explicitly advanced below */ ) {
GstAdaptationSetNode *adapt_set = m->data;
GList *n;
if (adapt_set->xlink_href
&& adapt_set->actuate == GST_XLINK_ACTUATE_ON_LOAD) {
GList *new_adapt_sets, *prev, *next;
gboolean error;
new_adapt_sets =
gst_mpd_client_fetch_external_adaptation_set (client, period,
adapt_set, &error);
if (!new_adapt_sets && error)
goto syntax_error;
prev = l->prev;
period->AdaptationSets = g_list_delete_link (period->AdaptationSets, l);
gst_mpdparser_free_adaptation_set_node (adapt_set);
adapt_set = NULL;
/* Get new next node, we will insert before this */
if (prev)
next = prev->next;
else
next = period->AdaptationSets;
while (new_adapt_sets) {
period->AdaptationSets =
g_list_insert_before (period->AdaptationSets, next,
new_adapt_sets->data);
new_adapt_sets = g_list_delete_link (new_adapt_sets, new_adapt_sets);
}
next = NULL;
/* Update our iterator to the first new adapt_set if any, or the next */
if (prev)
l = prev->next;
else
l = period->AdaptationSets;
continue;
}
if (adapt_set->SegmentList && adapt_set->SegmentList->xlink_href
&& adapt_set->SegmentList->actuate == GST_XLINK_ACTUATE_ON_LOAD) {
GstSegmentListNode *new_segment_list;
gboolean error;
new_segment_list =
gst_mpd_client_fetch_external_segment_list (client, period,
adapt_set, NULL, period->SegmentList, adapt_set->SegmentList,
&error);
if (!new_segment_list && error)
goto syntax_error;
gst_mpdparser_free_segment_list_node (adapt_set->SegmentList);
adapt_set->SegmentList = new_segment_list;
}
for (n = adapt_set->Representations; n; n = n->next) {
GstRepresentationNode *representation = n->data;
if (representation->SegmentList
&& representation->SegmentList->xlink_href
&& representation->SegmentList->actuate ==
GST_XLINK_ACTUATE_ON_LOAD) {
GstSegmentListNode *new_segment_list;
gboolean error;
new_segment_list =
gst_mpd_client_fetch_external_segment_list (client, period,
adapt_set, representation, adapt_set->SegmentList,
representation->SegmentList, &error);
if (!new_segment_list && error)
goto syntax_error;
gst_mpdparser_free_segment_list_node (representation->SegmentList);
representation->SegmentList = new_segment_list;
}
}
m = m->next;
}
l = l->next;
}
return TRUE;
syntax_error:
return FALSE;
}
gboolean
gst_mpd_parse (GstMpdClient * client, const gchar * data, gint size)
{
@ -3256,6 +3425,9 @@ gst_mpd_parse (GstMpdClient * client, const gchar * data, gint size)
gst_mpd_client_check_profiles (client);
if (!gst_mpd_client_fetch_on_load_external_resources (client))
return FALSE;
return TRUE;
}