line 557: ... pphdrMax = pphdr + hydra->phdrNum - 1; pphdr != pphdrMax;... about tinysoundfont HOT 5 CLOSED

Ah, I see you found the spec quicker than I was able to log into github :-)

Yeah the SF2 spec is full of tidbits like that. Especially for porting it would have been nice if there were more code comments about them instead of relying on the reader to follow along with the specs. Not an easy balance though. Still sorry for the confusion caused. Looking forward to your completed port! :-)

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• Looking forward to your completed port! :-)
  Will let you know as soon as it is working!

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Or, is the last of phdrs is not a preset?
Sorry, I'm really new to this file format.

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Sorry. No problem according to spec:
"The terminal sfPresetHeader record should never be accessed, and exists only to provide a terminal wPresetBagNdx with which to determine the number of zones in the last preset."

Closing

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I've just made my Python port of TinySoundFont working . See:
https://github.com/fynv/pyTinySoundFont
I'm almost certain that it is buggy currently. However, since I'm going to use the code in my other projects, I'll keep updating when the bugs are found and fixed.
I haven't implemented the channel functions yet. Actually, I don't really need real-time synthesis very much from personal use aspect. In my other project, I'll use it as a batch synthesizer that renders 1 note each time, like the test.py sample shows.

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