[Regression] Default audio track is chosen when built

This page documents MPC-HC's audio processing pipeline, focusing on the `CAudioSwitcherFilter` and related components that handle audio enhancement, channel mapping, normalization, and time shifting.

The "Audio switcher" does exactly what its name says. It lets you switch between audio tracks in a file. it doesn't really do anything affecting performance directly, but it could be preventing a problem causing audio renderer or a problem c

What actually happens: Default audio track is loaded, ignoring priorities in LAV Splitter. Workarounds: Disable built-in audio switcher. Did it work before: MPC-HC Version 2.1.6.8 does not have this issue. Built-in audio switcher doesn't interfere wit

在“选项”界面中，点击左侧的“内部滤镜 > 音频切换器”选项。 在“内部滤镜 > 音频切换器”选项中，勾选“开启自定义声道映射”选项的勾选开关。 “开启自定义声道映射”选项显示为“√”状态后，点击下方的“确定”按钮。

Derived from the German version: Go to View >> Options >> Internal Filter >> Audio-Switcher. Check the following boxes: Mark all speakers on all channels (if you want to mix them up) or choose your dominant input channel. Don't forge

I've primarily tested DVD playback on Windows 7, with the standard Microsoft DVD Navigator, and EVR, so this combination is the most tested and works quite well.