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allow sample preview via keyboard

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This commit is contained in:
tildearrow 2022-01-20 16:51:31 -05:00
parent 05bbfaced2
commit 46fd774f30
4 changed files with 53 additions and 3 deletions
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18
src/engine/engine.cpp
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@ -2868,7 +2868,7 @@ int DivEngine::getEffectiveSampleRate(int rate) {
return rate;
}
void DivEngine::previewSample(int sample) {
void DivEngine::previewSample(int sample, int note) {
isBusy.lock();
if (sample<0 || sample>=(int)song.sample.size()) {
sPreview.sample=-1;
@ -2877,7 +2877,12 @@ void DivEngine::previewSample(int sample) {
return;
}
blip_clear(samp_bb);
blip_set_rates(samp_bb,song.sample[sample]->rate,got.rate);
double rate=song.sample[sample]->rate;
if (note>=0) {
rate=(440.0*pow(2.0,(double)(note+3)/12.0));
if (rate<=0) rate=song.sample[sample]->rate;
}
blip_set_rates(samp_bb,rate,got.rate);
samp_prevSample=0;
sPreview.pos=0;
sPreview.sample=sample;
@ -2885,6 +2890,13 @@ void DivEngine::previewSample(int sample) {
isBusy.unlock();
}
void DivEngine::stopSamplePreview() {
isBusy.lock();
sPreview.sample=-1;
sPreview.pos=0;
isBusy.unlock();
}
void DivEngine::previewWave(int wave, int note) {
isBusy.lock();
if (wave<0 || wave>=(int)song.wave.size()) {
@ -2907,8 +2919,10 @@ void DivEngine::previewWave(int wave, int note) {
}
void DivEngine::stopWavePreview() {
isBusy.lock();
sPreview.wave=-1;
sPreview.pos=0;
isBusy.unlock();
}
String DivEngine::getConfigPath() {

3
src/engine/engine.h
View file

@ -263,7 +263,8 @@ class DivEngine {
void syncReset();
// trigger sample preview
void previewSample(int sample);
void previewSample(int sample, int note=-1);
void stopSamplePreview();
// trigger wave preview
void previewWave(int wave, int note);