Decode PRJDATA.ZDT and load settings from it

bananu7 / livetrak-web

A web implementation of Zoom L-12 LiveTrak mixer for project playback

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Decode PRJDATA.ZDT and load settings from it #36

Open bananu7 opened 1 year ago

bananu7 commented 1 year ago

Markers:

Data starts in 0x05D0
Each marker is 8 bytes (64-bit), LE
Each marker is specified as a number of samples from the start (e.g. 44100 samples = 1s)
Empty markers are 0
Maximum number of markers is 99
No idea what's the limit for the number of markers (the file size doesn't change)

sean-e commented 6 months ago

Seems like count of markers might be recorded at 0xA74

bananu7 commented 6 months ago

@sean-e Hello, fellow Zoom enjoyer! :) Thanks for the tip, I'll check that. Since empty markers are easily handled, I didn't need the precise count. I plan to merge the timeline view with markers soon:

https://github.com/bananu7/livetrak-web/pull/41/files#diff-0cb42821fdbc7f823149b339c6d7c427c6b6d6476381dec67fecdf84b450c1d7R20-R22

Are you interested in using this project in any capacity, or just in the ZDT format - if I may ask?

sean-e commented 6 months ago

The project is interesting, but isn't something that I have need for at this time. This issue is the only place on the web that I've come across with any Livetrak ZDT info.

I have an L-12 and think an L-20 may be in my future. If so, I want to be able to port my L-12 projects to the L-20 programmatically, so I've started decoding the L-12 ZDT in the hopes that the L-20 ZDT will be as simple to deal with.