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validate: Handle the case where QUERY has an EMPTY caps filter

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In our algorithm describing caps negotiation issues.
This commit is contained in:
Thibault Saunier 2017-01-25 21:41:31 +00:00
parent 2d83384263
commit 7daf21d2e7
1 changed files with 44 additions and 13 deletions
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57
validate/gst/validate/gst-validate-pipeline-monitor.c
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@ -161,20 +161,13 @@ _check_pad_query_failures (GstPad * pad, GString * str,
gst_object_unref (ghost_target);
}
static void
_gather_pad_negotiation_details (GstPad * pad, GString * str,
GstValidatePadMonitor ** last_query_caps_fail_monitor,
GstValidatePadMonitor ** last_refused_caps_monitor)
static GstPad *
_get_peer_pad (GstPad * pad)
{
GList *tmp;
GstElement *next;
GstPad *peer = gst_pad_get_peer (pad);
_check_pad_query_failures (pad, str, last_query_caps_fail_monitor,
last_refused_caps_monitor);
if (!peer)
return;
return NULL;
while (GST_IS_PROXY_PAD (peer)) {
GstPad *next_pad;
@ -189,12 +182,30 @@ _gather_pad_negotiation_details (GstPad * pad, GString * str,
}
if (!next_pad)
return;
return NULL;
gst_object_unref (peer);
peer = next_pad;
}
return peer;
}
static void
_gather_pad_negotiation_details (GstPad * pad, GString * str,
GstValidatePadMonitor ** last_query_caps_fail_monitor,
GstValidatePadMonitor ** last_refused_caps_monitor)
{
GList *tmp;
GstElement *next;
GstPad *peer = _get_peer_pad (pad);
_check_pad_query_failures (pad, str, last_query_caps_fail_monitor,
last_refused_caps_monitor);
if (!peer)
return;
_check_pad_query_failures (peer, str, last_query_caps_fail_monitor,
last_refused_caps_monitor);
@ -270,7 +281,7 @@ _append_query_caps_failure_details (GstValidatePadMonitor * monitor,
GString * str)
{
gint i, j;
gboolean found = FALSE;
gboolean found = FALSE, empty_filter;
GstCaps *filter = gst_caps_copy (monitor->last_query_filter);
GstCaps *possible_caps = gst_pad_query_caps (monitor->pad, NULL);
const gchar *filter_name, *possible_name;
@ -281,6 +292,26 @@ _append_query_caps_failure_details (GstValidatePadMonitor * monitor,
" as the QUERY_CAPS returned EMPTY caps",
gst_validate_reporter_get_name (GST_VALIDATE_REPORTER (monitor)));
empty_filter = gst_caps_is_empty (filter);
if (empty_filter) {
GstPad *peer = _get_peer_pad (monitor->pad);
gchar *prev_path = NULL;
if (peer) {
GstObject *prev = gst_pad_get_parent (peer);
if (prev) {
prev_path = gst_object_get_path_string (prev);
gst_object_unref (prev);
}
}
g_string_append_printf (str,
"\n - The QUERY filter caps is EMPTY, this is invalid and is a bug in "
" a previous element (probably in: '%s')\n",
prev_path ? prev_path : "no suspect");
g_free (prev_path);
}
for (i = 0; i < gst_caps_get_size (possible_caps); i++) {
possible_struct = gst_caps_get_structure (possible_caps, i);
possible_name = gst_structure_get_name (possible_struct);
@ -314,7 +345,7 @@ _append_query_caps_failure_details (GstValidatePadMonitor * monitor,
}
}
if (!found) {
if (!found && !empty_filter) {
gchar *filter_caps_str = gst_caps_to_string (filter);
gchar *possible_caps_str = gst_caps_to_string (possible_caps);