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Split the "autoload external subtitles" user setting into two options, one for loading and one for forcing
Don't display the option to prevent the operating system from sleeping on non-Windows operating systems
Made sure external subtitles are always loaded, even if the audio and subtitle language settings are done very specifically or just wrongly
Added documentation
Update output params when needed
Changed the mencoder_ass_defaultstyle setting to use_embedded_subtitles_style and added documentation

Now it applies to FFmpeg instead of just MEncoder, which is a better default because before this commit we were applying our own settings to ASS/SSA subtitles by default which is an advanced thing better left to user preference
Made FFmpeg use lower audio bitrates if there are only 1 or 2 audio channels
Use new settings
Saved bandwidth by preventing FFmpeg from upconverting 2-channel audio to 6-channel
FFmpegVideo: Don't specify audio channels unless we want them to be different from the input file
Updated changelog
Added a tooltip to the embedded subtitles style option
Official release of 4.0.1 for Windows and Linux (Java 7)
Use new FFmpeg subs features