Use our own output frame start time, fix issue 56

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CrendKing · Jun 25, 2021 · c949b2f · c949b2f
1 parent 2b8c7ce
commit c949b2f
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Showing 3 changed files with 11 additions and 2 deletions.
diff --git a/filter_common/src/version.h b/filter_common/src/version.h
@@ -29,7 +29,7 @@ namespace SynthFilter {
 #define FILTER_NAME_WIDE                WIDEN(FILTER_NAME_BASE)
 #define FILTER_VERSION_MAJOR            1
 #define FILTER_VERSION_MINOR            1
-#define FILTER_VERSION_PATCH            2
+#define FILTER_VERSION_PATCH            3
 #define FILTER_VERSION_STRING           STRINGIZE(FILTER_VERSION_MAJOR) "." STRINGIZE(FILTER_VERSION_MINOR) "." STRINGIZE(FILTER_VERSION_PATCH) FILTER_VARIANT " # " FILTER_GIT_HASH
 
 }
diff --git a/vapoursynth_filter/src/frame_handler.cpp b/vapoursynth_filter/src/frame_handler.cpp
@@ -294,8 +294,15 @@ auto FrameHandler::PrepareOutputSample(ATL::CComPtr<IMediaSample> &sample, int f
         frameDuration = MainFrameServer::GetInstance().GetScriptAvgFrameDuration();
     }
 
-    REFERENCE_TIME frameStartTime = static_cast<REFERENCE_TIME>(AVSF_VS_API->propGetFloat(frameProps, VS_PROP_NAME_ABS_TIME, 0, &propGetError) * UNITS);
+    if (_nextOutputFrameStartTime == 0) {
+        _nextOutputFrameStartTime = static_cast<REFERENCE_TIME>(AVSF_VS_API->propGetFloat(frameProps, VS_PROP_NAME_ABS_TIME, 0, &propGetError) * UNITS);
+    }
+
+    REFERENCE_TIME frameStartTime = _nextOutputFrameStartTime;
     REFERENCE_TIME frameStopTime = frameStartTime + frameDuration;
+    _nextOutputFrameStartTime = frameStopTime;
+
+    Environment::GetInstance().Log(L"Output frame: frameNb %6i startTime %10lli stopTime %10lli duration %10lli", frameNb, frameStartTime, frameStopTime, frameDuration);
 
     if (FAILED(_filter.m_pOutput->GetDeliveryBuffer(&sample, &frameStartTime, &frameStopTime, 0))) {
         // avoid releasing the invalid pointer in case the function change it to some random invalid address
@@ -347,6 +354,7 @@ auto FrameHandler::PrepareOutputSample(ATL::CComPtr<IMediaSample> &sample, int f
 
 auto FrameHandler::WorkerProc() -> void {
     const auto ResetOutput = [this]() -> void {
+        _nextOutputFrameStartTime = 0;
         _nextDeliveryFrameNb = 0;
 
         _frameRateCheckpointOutputFrameNb = 0;

diff --git a/vapoursynth_filter/src/frame_handler.h b/vapoursynth_filter/src/frame_handler.h
@@ -81,6 +81,7 @@ class FrameHandler {
     int _nextSourceFrameNb;
     int _nextProcessSourceFrameNb;
     int _nextOutputFrameNb;
+    REFERENCE_TIME _nextOutputFrameStartTime;
     std::atomic<int> _lastUsedSourceFrameNb;
     bool _notifyChangedOutputMediaType = false;
     int _nextDeliveryFrameNb;