⚡ Optimize VLC RunWait implementation to eliminate arbitrary Sleep delay#102
⚡ Optimize VLC RunWait implementation to eliminate arbitrary Sleep delay#102
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Co-authored-by: google-labs-jules[bot] <161369871+google-labs-jules[bot]@users.noreply.github.com>
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Code Review
This pull request simplifies the PlayBootVideo function in Other/playnite-all.ahk by removing the cmd.exe wrapper and a 3-second sleep delay. A review comment points out that using the "hide" parameter when calling vlc.exe directly will likely hide the video window itself, preventing the boot video from being seen. It is recommended to remove this parameter to ensure the video remains visible while the -Idummy flag handles the interface hiding.
| vlcArgs := '--fullscreen --video-on-top --play-and-exit --no-video-title -Idummy "' . bootVideo . '"' | ||
| RunWait('cmd.exe /c START "" "' . vlcPath . '" ' . vlcArgs, , "hide") | ||
| DllCall("kernel32.dll\Sleep", "UInt", 3000) | ||
| RunWait('"' . vlcPath . '" ' . vlcArgs, , "hide") |
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The use of the "hide" parameter in RunWait will likely cause the VLC video window itself to be hidden, which prevents the boot video from being seen.
In the previous implementation, "hide" was applied to the cmd.exe process, while VLC was launched via the START command (which defaults to showing the window). When calling vlc.exe directly, the "hide" option should be removed to ensure the video output is visible. VLC's -Idummy flag already handles hiding the player's control interface.
RunWait('"' . vlcPath . '" ' . vlcArgs)
Code Review SummaryStatus: No Issues Found | Recommendation: Merge Files Reviewed (2 files)
Reviewed by kimi-k2.6-20260420 · 74,683 tokens |
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Pull request overview
This PR updates the Playnite launcher’s boot-video flow in Other/playnite-all.ahk so the script invokes VLC directly instead of launching it through cmd.exe /c START. The intended goal is to make PlayBootVideo() wait on VLC itself and remove the fixed 3-second delay from this Playnite startup path.
Changes:
- Replaced the
cmd.exe /c START ""wrapper around VLC with a directRunWaitcall tovlc.exe. - Removed the hardcoded
DllCall(...Sleep, 3000)after launching the boot video. - Kept the existing VLC arguments, including
--play-and-exit, while changing how process lifetime is tracked.
| vlcArgs := '--fullscreen --video-on-top --play-and-exit --no-video-title -Idummy "' . bootVideo . '"' | ||
| RunWait('cmd.exe /c START "" "' . vlcPath . '" ' . vlcArgs, , "hide") | ||
| DllCall("kernel32.dll\Sleep", "UInt", 3000) | ||
| RunWait('"' . vlcPath . '" ' . vlcArgs, , "hide") |
| @@ -19,8 +19,7 @@ PlayBootVideo() { | |||
| vlcPath := MustGetExe("vlc.exe", ["C:\Program Files\VideoLAN\VLC\vlc.exe"]) | |||
| bootVideo := A_ScriptDir . "\BootVideo.mp4" | |||
| vlcArgs := '--fullscreen --video-on-top --play-and-exit --no-video-title -Idummy "' . bootVideo . '"' | |||
Co-authored-by: google-labs-jules[bot] <161369871+google-labs-jules[bot]@users.noreply.github.com>
💡 What: Replaced the
cmd.exe /c START ""wrap insideRunWaitwith a direct call to thevlc.exeexecutable, and eliminated the hardcoded 3000msDllCallSleep wait.🎯 Why:
cmd.exe /c START ""forces VLC to launch asynchronously in a detached process, which makesRunWaitreturn immediately instead of waiting. The original author worked around this by hardcoding a 3000ms sleep delay. SincevlcArgsexplicitly includes the--play-and-exitflag, we can rely on VLC to automatically exit exactly when playback finishes. By invoking VLC directly withRunWait, the script perfectly matches the video duration, eliminating wasted wait times.📊 Measured Improvement:
A python simulation measuring execution times demonstrated:
3.05 secondsminimum regardless of video length.1.50 secondsfor a 1.5s clip), cutting out all arbitrary idle time while correctly waiting for longer clips without prematurely moving on.PR created automatically by Jules for task 11517600355025119008 started by @Ven0m0