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GUI: make playing needles in sample editor work

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currently only for YM2612 but I will implement more soon
This commit is contained in:
tildearrow 2023-03-19 03:12:08 -05:00
parent 2e9bc14459
commit f80a2b8864
7 changed files with 87 additions and 1 deletions
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25
src/engine/dispatch.h
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@ -293,6 +293,18 @@ struct DivDelayedWrite {
write(a,v) {}
};
struct DivSamplePos {
int sample, pos, freq;
DivSamplePos(int s, int p, int f):
sample(s),
pos(p),
freq(f) {}
DivSamplePos():
sample(-1),
pos(0),
freq(0) {}
};
struct DivDispatchOscBuffer {
bool follow;
unsigned int rate;
@ -371,18 +383,29 @@ class DivDispatch {
/**
* get the state of a channel.
* @param chan the channel.
* @return a pointer, or NULL.
*/
virtual void* getChanState(int chan);
/**
* get the DivMacroInt of a chanmel.
* get the DivMacroInt of a channel.
* @param chan the channel.
* @return a pointer, or NULL.
*/
virtual DivMacroInt* getChanMacroInt(int chan);
/**
* get currently playing sample (and its position).
* @param chan the channel.
* @return a DivSamplePos. if sample is -1 then nothing is playing or the
* channel doesn't play samples.
*/
virtual DivSamplePos getSamplePos(int chan);
/**
* get an oscilloscope buffer for a channel.
* @param chan the channel.
* @return a pointer to a DivDispatchOscBuffer, or NULL if not supported.
*/
virtual DivDispatchOscBuffer* getOscBuffer(int chan);