New subject: [Bug 56330] Regression: Vietcong: Audio cuts off and repeats

15 Feb 2024


      https://bugs.winehq.org/show_bug.cgi?id=56330
Bug ID: 56330
           Summary: Regression: Vietcong: Audio cuts off and repeats
           Product: Wine
           Version: 9.2
          Hardware: x86-64
                OS: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: -unknown
          Assignee: wine-bugs@winehq.org
          Reporter: sa@whiz.se
      Distribution: ---
The game Vietcong suffers from audio cutting of too early and/or repeating
several times. This is a regression introduced during Wine 5.x development but
still an issue with current git. Bisecting leads to this commit:
a10824a03cb7ad1a2a1987433c5ad832dcdf6962 is the first bad commit
commit a10824a03cb7ad1a2a1987433c5ad832dcdf6962
Author: Andrew Eikum aeikum@codeweavers.com
Date:   Mon Aug 17 10:38:18 2020 -0500
winepulse: Don't rely on pulseaudio callbacks for timing.
Contains contributions from Mark Harmstone and Zhiyi Zhang.
Some devices, especially USB devices, have very irregular timing or
    very long periods. Some Windows applications (The Witcher 3) are built
    to expect regular, short period times, and so would underrun when the
    device timing didn't match their expectations. This patch decouples
    the Windows-side timing from the OS-side timing so we can meet those
    applications' requirements.
Signed-off-by: Andrew Eikum aeikum@codeweavers.com
    Signed-off-by: Alexandre Julliard julliard@winehq.org
dlls/winepulse.drv/mmdevdrv.c | 613 +++++++++++++++++++-----------------------
 1 file changed, 279 insertions(+), 334 deletions(-)
To reproduce, either patch Wine to include the change from #39057 or use the
fan-made patch VCStarter (1.7 BETA) from
http://www.vietcong.info/portal/forum/viewthread.php?thread_id=899
The sound issue is somewhat noticeable with the music in the main menu but very
noticeable if you listen to the drill sergeant in the tutorial levels. Select
"Single player" -> "Tutorial" -> "Drill camp 1".
There's a demo available but it does not exhibit the bug.
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[Bug 56330] New: Regression: Vietcong: Audio cuts off and repeats