A lot of YouTube music videos won't show video, only audio, due to missing LAV splitter.

Failed to find connectable filter:

LAV Splitter Source (internal)::Video

Media Type 0:
--------------------------
Video: AV01 640x480 25fps 403kbps

AM_MEDIA_TYPE:
majortype: MEDIATYPE_Video {73646976-0000-0010-8000-00AA00389B71}
subtype: Unknown GUID Name {31307661-0000-0010-8000-00AA00389B71}
formattype: FORMAT_VideoInfo {05589F80-C356-11CE-BF01-00AA0055595A}
bFixedSizeSamples: 0
bTemporalCompression: 1
lSampleSize: 1
cbFormat: 88