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support negative speeds

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This commit is contained in:
Felix Roos 2022-09-24 23:14:43 +02:00
parent dbda70eee9
commit 9ebada63e9
2 changed files with 17 additions and 4 deletions
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9
packages/webaudio/sampler.mjs
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@ -16,6 +16,15 @@ export const loadBuffer = (url, ac) => {
return loadCache[url];
};
export function reverseBuffer(buffer) {
const ac = getAudioContext();
const reversed = ac.createBuffer(buffer.numberOfChannels, buffer.length, ac.sampleRate);
for (let channel = 0; channel < buffer.numberOfChannels; channel++) {
reversed.copyToChannel(buffer.getChannelData(channel).slice().reverse(), channel, channel);
}
return reversed;
}
export const getLoadedBuffer = (url) => {
return bufferCache[url];
};