[Scummvm-tracker] [ScummVM :: Bugs] #15254: Trapping self in trap book results in ending videos beginning prematurely

[ScummVM :: Bugs]

#15254: Trapping self in trap book results in ending videos beginning prematurely
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Reporter:  jyudoki  |      Owner:  (none)
    Type:  defect   |     Status:  new
Priority:  normal   |  Component:  Engine: Mohawk
 Version:           |   Keywords:  video playback timing
    Game:  Riven    |
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 When trapping yourself in the trap book (in either Riven, 233 or Tay), the
 corresponding ending movie plays immediately upon clicking the trap book
 window. The linking sound effect is also played simultaneously with the
 ending video audio since the video begins too soon.

 In the original, the linking sound plays to completion over a black
 screen, before the ending video begins. This gives the correct impression
 that time has passed between the player trapping themselves and when the
 book is opened by another.

 See video here and compare with behaviour in scummvm using save file
 attached: https://www.youtube.com/watch?v=G6Jylqzx3Pk

 scummvm version 2.8.1 stable release
 Riven GoG or Steam version
 Windows 11
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Ticket URL: <https://bugs.scummvm.org/ticket/15254>
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