oyvindln / vhs-decode

Software defined VHS decoder - Fork (maybe temporary) of the ld-decode Laserdisc rf decoder

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Try to auto-detect video tracks

oyvindln opened this issue · comments

A VCR will use the head switch signal to know what track it's reading from, which is important as the chroma phase will change in different directions depending on track and standard. Ideally we would have a way to record this, but in the meantime we want to try to auto-detect this, maybe by looking at how the burst phase changes.

Seems to be working for PAL now after 7bb77a2 , NTSC not implemented yet.

Both PAL and NTSC mostly working, but can still go wrong sometimes.