[gmpi] Re: Topic 6: Time representation
- From: RonKuper@xxxxxxxxxxxx
- To: gmpi@xxxxxxxxxxxxx
- Date: Wed, 30 Apr 2003 11:42:25 -0400
>>>
- The host defines a int64 ticks per sample which is guaranteed to be
constant during runtime.
<<<
Can this be true across a tempo change? Or is your notion of "tick" not
actually a musical tick.
> 1. Absolute sample clock - int64 in samples
> 2. Transport (media) sample clock - int64 in samples
> 3. Absolute UST clock - UST clock structure
> 4. Transport UST clock(?) - UST clock structure
> 5. Musical clock in ticks and fractions of ticks
Is (4) really necesssary? You could just pass in the current absolute UST
clock at the start of streaming, and then subsequent process() calls could
subtract it if they need an transport time from the start.
Also, which of these time values are passed in as args to the process()
function, and which are available for query by plugin?
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