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winegstreamer: Clamp both timestamp and timestamp + diff to 0. 

Signed-off-by: Zebediah Figura <zfigura@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Zebediah Figura 2020-03-16 21:28:26 -05:00 committed by Alexandre Julliard
parent 38c50751fe
commit 5ca1d28e8d
1 changed files with 13 additions and 4 deletions
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17
dlls/winegstreamer/gstdemux.c
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@ -1965,6 +1965,8 @@ static HRESULT WINAPI GST_QualityControl_Notify(IQualityControl *iface, IBaseFil
{
struct gstdemux_source *pin = impl_from_IQualityControl(iface);
GstQOSType type = GST_QOS_TYPE_OVERFLOW;
GstClockTime timestamp;
GstClockTimeDiff diff;
GstEvent *evt;
TRACE("(%p)->(%p, { 0x%x %u %s %s })\n", pin, sender,
@ -1974,16 +1976,23 @@ static HRESULT WINAPI GST_QualityControl_Notify(IQualityControl *iface, IBaseFil
mark_wine_thread();
if (qm.Type == Flood)
qm.Late = 0;
/* GSTQOS_TYPE_OVERFLOW is also used for buffers that arrive on time, but
* DirectShow filters might use Famine, so check that there actually is an
* underrun. */
if (qm.Type == Famine && qm.Proportion > 1000)
type = GST_QOS_TYPE_UNDERFLOW;
evt = gst_event_new_qos(type, qm.Proportion / 1000.0, qm.Late * 100, qm.TimeStamp * 100);
/* DirectShow filters sometimes pass negative timestamps (Audiosurf uses the
* current time instead of the time of the last buffer). GstClockTime is
* unsigned, so clamp it to 0. */
timestamp = max(qm.TimeStamp * 100, 0);
/* The documentation specifies that timestamp + diff must be nonnegative. */
diff = qm.Late * 100;
if (timestamp < -diff)
diff = -timestamp;
evt = gst_event_new_qos(type, qm.Proportion / 1000.0, diff, timestamp);
if (!evt) {
WARN("Failed to create QOS event\n");