Unreal Engine Issues

UE-47837

Crash in FMediaPlayerBase::TickPlayer in Shipping builds

Crash in FMediaPlayerBase::TickPlayer in Shipping builds

Description

A crash can occur in FMediaPlayerBase::TickPlayer in Shipping builds. This is because FMediaPlayerBase::NativePlayer is not a thread-safe shared pointer. The fix is to make it ESPMode::ThreadSafe.

Steps to Reproduce

n/a

Callstack
>    eboot.bin![Inline Function] FMediaPlayerBase::TickPlayer(float DeltaTime, float __formal0) Line 318    C++
      eboot.bin!UMediaPlayer::Tick(float DeltaTime) Line 725    C++
      eboot.bin!non-virtual thunk to UMediaPlayer::Tick(float) + 13 bytes    C++
      eboot.bin!FTicker::Tick(float DeltaTime) Line 85    C++
      eboot.bin!FEngineLoop::Tick() Line 3192    C++
      eboot.bin![Inline Function] tchar_main(int32 ArgC, TCHAR** ArgV) Line 200

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Fixed
ComponentMedia Framework
Affects Versions4.17
Target Fix4.17
Fix Commit3563219
Main Commit3596628
Release Commit3563315
CreatedJul 28, 2017
ResolvedJul 29, 2017
UpdatedApr 27, 2018
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