After attempting to preview the undefined File Media Source in the Media Player Window and getting an error. I set the path of the File Media Source to Windows sample video 'Wilflife'. Then attempt to preview the File Media Source again in the Media Player window.
The editor crashes immediately.
Assertion failed: (Seconds >= MinValue().GetTotalSeconds()) && (Seconds <= MaxValue().GetTotalSeconds()) [File:D:\Dev-Sequencer\Engine\Source\Runtime\Core\Private\Misc\Timespan.cpp] [Line: 136]
Worked in: 4.15.1 - 3328138
LogMediaAssets:Error: Failed to validate media source NewFileMediaSource (file://D:/Dev-Sequencer/Engine/Binaries/Win64/)
Result: Editor crashes
Expected Result: Editor does not crash
UE4Editor_Core!FDebug::AssertFailed() [d:\dev-sequencer\engine\source\runtime\core\private\misc\assertionmacros.cpp:349] UE4Editor_Core!FTimespan::FromSeconds() [d:\dev-sequencer\engine\source\runtime\core\private\misc\timespan.cpp:138] UE4Editor_MediaUtils!FMediaAudioSink::GetFrames() [d:\dev-sequencer\engine\source\runtime\mediautils\private\mediaaudiosink.cpp:46] UE4Editor_MediaAssets!UMediaSoundWave::GeneratePCMData() [d:\dev-sequencer\engine\source\runtime\mediaassets\private\assets\mediasoundwave.cpp:72] UE4Editor_XAudio2!FXAudio2SoundSource::SubmitPCMRTBuffers() [d:\dev-sequencer\engine\source\runtime\windows\xaudio2\private\xaudio2source.cpp:258] UE4Editor_XAudio2!FXAudio2SoundSource::Init() [d:\dev-sequencer\engine\source\runtime\windows\xaudio2\private\xaudio2source.cpp:575] UE4Editor_Engine!FAudioDevice::StartSources() [d:\dev-sequencer\engine\source\runtime\engine\private\audiodevice.cpp:2937] UE4Editor_Engine!FAudioDevice::Update() [d:\dev-sequencer\engine\source\runtime\engine\private\audiodevice.cpp:3124] UE4Editor_Engine!FAudioDeviceManager::UpdateActiveAudioDevices() [d:\dev-sequencer\engine\source\runtime\engine\private\audiodevicemanager.cpp:280] UE4Editor_UnrealEd!UEditorEngine::Tick() [d:\dev-sequencer\engine\source\editor\unrealed\private\editorengine.cpp:1849] UE4Editor_UnrealEd!UUnrealEdEngine::Tick() [d:\dev-sequencer\engine\source\editor\unrealed\private\unrealedengine.cpp:391] UE4Editor!FEngineLoop::Tick() [d:\dev-sequencer\engine\source\runtime\launch\private\launchengineloop.cpp:3059] UE4Editor!GuardedMain() [d:\dev-sequencer\engine\source\runtime\launch\private\launch.cpp:166] UE4Editor!GuardedMainWrapper() [d:\dev-sequencer\engine\source\runtime\launch\private\windows\launchwindows.cpp:134] UE4Editor!WinMain() [d:\dev-sequencer\engine\source\runtime\launch\private\windows\launchwindows.cpp:210] UE4Editor!__scrt_common_main_seh() [f:\dd\vctools\crt\vcstartup\src\startup\exe_common.inl:253] kernel32 ntdll
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There's no existing public thread on this issue, so head over to Questions & Answers just mention UE-42524 in the post.
| 1 |
| Component | Media Framework |
|---|---|
| Affects Versions | 4.16 |
| Target Fix | 4.17 |
| Created | Mar 2, 2017 |
|---|---|
| Resolved | Jun 6, 2017 |
| Updated | Apr 27, 2018 |