New subject: [Bug 58352] Magic School Bus Explores in the Age of Dinosaurs doesn't play videos.

11 Jun 2025

      http://bugs.winehq.org/show_bug.cgi?id=58352

            Bug ID: 58352
           Summary: Magic School Bus Explores in the Age of Dinosaurs
                    doesn't play videos.
           Product: Wine
           Version: 10.9
          Hardware: x86-64
                OS: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: ir50_32
          Assignee: wine-bugs(a)winehq.org
          Reporter: hibbsncc1701(a)gmail.com
      Distribution: ---

Under wine 10.9, attempting to start Magic School Bus Explores in the Age of
Dinosaurs in a clean prefix results in a silent black screen that requires
clicking the mouse a bunch of times to get past it.

Playing the game results in certain areas where the game will seem to stop
responding while waiting for a video to complete. Such as exiting the bus. The
BGM keeps playing, and the background image keeps updating, but the video
itself doesn't play at all, and the user's input is ignored until the video
finishes "playing".

When this happens, we see stub messages from mciavi in the console.

As a workaround for the required clicking, placing a copy of ir32_32.dll from a
WinXP SP3 x86 installation in the game's install directory will result in the
audio playing during the initial black screen and allow it to continue without
user input, but we still get no video output.

Console log attached.

As a note for anyone trying to reproduce this bug: The game's installer won't
work due it requiring 256 color mode to run, and the suggested workaround on
the Wiki (DxWnd) not being able to handle 16-bit NE executables. 

To get past the installer issues, You'll either need to have old enough
hardware to run X in 256 color mode, or use a VM to install it and copy the
resulting files (and "HKLM\Software\Microsoft\Microsoft Kids" registry keys)
over.

You'll also need to fix the system.ini in the wine prefix, to enable the
vidc.IV31 and vidc.IV32 lines or the game will refuse to start.

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[Bug 58352] New: Magic School Bus Explores in the Age of Dinosaurs doesn't play videos.

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