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pad-monitor: output timestamps should be in range of received ones

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Checks if the timestamps of pushed buffers are in the range of the
received buffer timestamps;
This commit is contained in:
Thiago Santos 2013-07-17 11:31:38 -03:00
parent 0b90e7bddd
commit bd22bb8d1c
2 changed files with 137 additions and 0 deletions
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125
validate/gst/qa/gst-qa-pad-monitor.c
View file

@ -211,6 +211,116 @@ gst_qa_pad_monitor_new (GstPad * pad, GstQaRunner * runner,
return monitor;
}
static gboolean
gst_qa_pad_monitor_timestamp_is_in_received_range (GstQaPadMonitor * monitor,
GstClockTime ts)
{
return !GST_CLOCK_TIME_IS_VALID (monitor->timestamp_range_start) ||
!GST_CLOCK_TIME_IS_VALID (monitor->timestamp_range_end) ||
(monitor->timestamp_range_start <= ts
&& ts <= monitor->timestamp_range_end);
}
/* Iterates over internal links (sinkpads) to check that this buffer has
* a timestamp that is in the range of the lastly received buffers */
static void
gst_qa_pad_monitor_check_buffer_timestamp_in_received_range (GstQaPadMonitor *
monitor, GstBuffer * buffer)
{
GstClockTime ts;
GstClockTime ts_end;
GstIterator *iter;
gboolean has_one = FALSE;
gboolean found = FALSE;
gboolean done;
GstPad *otherpad;
GstQaPadMonitor *othermonitor;
if (!GST_CLOCK_TIME_IS_VALID (GST_BUFFER_TIMESTAMP (buffer))
|| !GST_CLOCK_TIME_IS_VALID (GST_BUFFER_DURATION (buffer))) {
GST_DEBUG_OBJECT (monitor,
"Can't check buffer timestamps range as "
"buffer has no valid timestamp/duration");
return;
}
ts = GST_BUFFER_TIMESTAMP (buffer);
ts_end = ts + GST_BUFFER_DURATION (buffer);
iter = gst_pad_iterate_internal_links (GST_QA_PAD_MONITOR_GET_PAD (monitor));
done = FALSE;
while (!done) {
switch (gst_iterator_next (iter, (gpointer *) & otherpad)) {
case GST_ITERATOR_OK:
GST_DEBUG_OBJECT (monitor, "Checking pad %s:%s input timestamps",
GST_DEBUG_PAD_NAME (otherpad));
othermonitor = g_object_get_data ((GObject *) otherpad, "qa-monitor");
if (gst_qa_pad_monitor_timestamp_is_in_received_range (othermonitor, ts)
&& gst_qa_pad_monitor_timestamp_is_in_received_range (othermonitor,
ts_end)) {
done = TRUE;
found = TRUE;
}
gst_object_unref (otherpad);
has_one = TRUE;
break;
case GST_ITERATOR_RESYNC:
gst_iterator_resync (iter);
has_one = FALSE;
found = FALSE;
break;
case GST_ITERATOR_ERROR:
GST_WARNING_OBJECT (monitor, "Internal links pad iteration error");
done = TRUE;
break;
case GST_ITERATOR_DONE:
done = TRUE;
break;
}
}
gst_iterator_free (iter);
if (!has_one) {
GST_DEBUG_OBJECT (monitor, "Skipping timestamp in range check as no "
"internal linked pad was found");
}
if (!found) {
GST_QA_MONITOR_REPORT_WARNING (monitor, BUFFER, TIMESTAMP,
"Timestamp is out of range of received input");
}
}
static void
gst_qa_pad_monitor_notify_buffer_pushed (GstQaPadMonitor * monitor)
{
GstIterator *iter;
gboolean done;
GstPad *otherpad;
GstQaPadMonitor *othermonitor;
iter = gst_pad_iterate_internal_links (GST_QA_PAD_MONITOR_GET_PAD (monitor));
done = FALSE;
while (!done) {
switch (gst_iterator_next (iter, (gpointer *) & otherpad)) {
case GST_ITERATOR_OK:
othermonitor = g_object_get_data ((GObject *) otherpad, "qa-monitor");
othermonitor->buffer_pushed = TRUE;
gst_object_unref (otherpad);
break;
case GST_ITERATOR_RESYNC:
gst_iterator_resync (iter);
break;
case GST_ITERATOR_ERROR:
GST_WARNING_OBJECT (monitor, "Internal links pad iteration error");
done = TRUE;
break;
case GST_ITERATOR_DONE:
done = TRUE;
break;
}
}
gst_iterator_free (iter);
}
static void
gst_qa_pad_monitor_check_first_buffer (GstQaPadMonitor * pad_monitor,
GstBuffer * buffer)
@ -239,6 +349,18 @@ gst_qa_pad_monitor_update_buffer_data (GstQaPadMonitor * pad_monitor,
{
pad_monitor->current_timestamp = GST_BUFFER_TIMESTAMP (buffer);
pad_monitor->current_duration = GST_BUFFER_DURATION (buffer);
if (GST_CLOCK_TIME_IS_VALID (GST_BUFFER_TIMESTAMP (buffer)) &&
GST_CLOCK_TIME_IS_VALID (GST_BUFFER_DURATION (buffer))) {
if (pad_monitor->buffer_pushed) {
pad_monitor->timestamp_range_start = GST_BUFFER_TIMESTAMP (buffer);
}
pad_monitor->timestamp_range_end = GST_BUFFER_TIMESTAMP (buffer) +
GST_BUFFER_DURATION (buffer);
} else {
pad_monitor->timestamp_range_start = GST_CLOCK_TIME_NONE;
pad_monitor->timestamp_range_end = GST_CLOCK_TIME_NONE;
}
pad_monitor->buffer_pushed = FALSE;
}
@ -538,6 +660,9 @@ gst_qa_pad_monitor_buffer_probe (GstPad * pad, GstBuffer * buffer,
gst_qa_pad_monitor_check_first_buffer (monitor, buffer);
gst_qa_pad_monitor_update_buffer_data (monitor, buffer);
gst_qa_pad_monitor_check_buffer_timestamp_in_received_range (monitor, buffer);
gst_qa_pad_monitor_notify_buffer_pushed (monitor);
/* TODO should we assume that a pad-monitor should always have an
* element-monitor as a parent? */
if (G_LIKELY (GST_QA_MONITOR_GET_PARENT (monitor))) {

12
validate/gst/qa/gst-qa-pad-monitor.h
View file

@ -83,6 +83,18 @@ struct _GstQaPadMonitor {
GstSegment segment;
GstClockTime current_timestamp;
GstClockTime current_duration;
/* Stores the current timestamp range of data
* in this pad by using TIMESTAMP and TIMESTAMP+DURATION from
* incomming buffers.
*
* If the internally linked pads haven't pushed a buffer, it will
* update the end to the new TIMESTAMP+DURATION, in case a buffer
* was pushed, the start is also updated to be TIMESTMAP.
*/
GstClockTime timestamp_range_start;
GstClockTime timestamp_range_end;
gboolean buffer_pushed;
};
/**