Description

There is an issue that sometimes occurs when using the seek option in the media player while the Decoder is set to WMF. When this happens the audio desyncs from the video and for the rest of the video will be desynced. to work around this you can seek again to another part of the video. The repro rate for this issue is 50%. This issue occurs on all versions tested

Versions Tested: Issue occurs on all versions tested
4.17.2 - CL: 3658906
4.18.3 - CL: 3832480
4.19P1- CL: 3837072

Steps to Reproduce
  1. Create a new project (No template or starter content needed)
  2. Add a new folder named "Movies" and add the video file provided as a source media file
  3. Add a new media player and check the video output checkbox
  4. OPen the media player and click the playback options
  5. select the decoder options and change the type to WMF
  6. Begin the video and seek to 3:19 (expected result)
  7. Skip around quickly a few times then finally seek to around 3:05
    Result: Audio is not out of sync with the video

Have Comments or More Details?

There's no existing public thread on this issue, so head over toAnswerHub just mention UE-54592 in the post.

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Fixed
ComponentMedia Framework
Affects Versions4.174.184.19
Target Fix4.20
Fix Commit4022021
Main Commit4052378
Release Commit4095966
CreatedJan 29, 2018
ResolvedApr 23, 2018
UpdatedMay 31, 2018