Zebediah Figura : winegstreamer: Clamp both timestamp and timestamp + diff to 0.
Alexandre Julliard
julliard at winehq.org
Fri Aug 7 10:42:27 CDT 2020
Module: wine
Branch: stable
Commit: 5442ba0b65f971ef7bf6bb57ee839424038ff81d
URL: https://source.winehq.org/git/wine.git/?a=commit;h=5442ba0b65f971ef7bf6bb57ee839424038ff81d
Author: Zebediah Figura <z.figura12 at gmail.com>
Date: Mon Mar 16 21:28:26 2020 -0500
winegstreamer: Clamp both timestamp and timestamp + diff to 0.
Signed-off-by: Zebediah Figura <zfigura at codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard at winehq.org>
(cherry picked from commit 5ca1d28e8df7e3e87e5b9f3ff51445b07dfcc2fb)
Signed-off-by: Michael Stefaniuc <mstefani at winehq.org>
---
dlls/winegstreamer/gstdemux.c | 17 +++++++++++++----
1 file changed, 13 insertions(+), 4 deletions(-)
diff --git a/dlls/winegstreamer/gstdemux.c b/dlls/winegstreamer/gstdemux.c
index cbded6abf5..3ab9e7c663 100644
--- a/dlls/winegstreamer/gstdemux.c
+++ b/dlls/winegstreamer/gstdemux.c
@@ -1786,6 +1786,8 @@ 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,
@@ -1795,16 +1797,23 @@ 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");
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