sl

packages/superdough/sampler.mjs

@@ -1,4 +1,4 @@
-import { getCommonSampleInfo } from './util.mjs';
+import { getCommonSampleInfoFromBank } from './util.mjs';
 import { registerSound, registerWaveTable } from './index.mjs';
 import { getAudioContext } from './audioContext.mjs';
 import { getADSRValues, getParamADSR, getPitchEnvelope, getVibratoOscillator } from './helpers.mjs';
@@ -23,35 +23,34 @@ function humanFileSize(bytes, si) {
   return bytes.toFixed(1) + ' ' + units[u];
 }
 
-export function getSampleInfo(hapValue, bank) {
-  const { speed = 1.0 } = hapValue;
-  const { transpose, url, index, midi, label } = getCommonSampleInfo(hapValue, bank);
-  let playbackRate = Math.abs(speed) * Math.pow(2, transpose / 12);
-  return { transpose, url, index, midi, label, playbackRate };
-}
 
-// takes hapValue and returns buffer + playbackRate.
-export const getSampleBuffer = async (hapValue, bank, resolveUrl) => {
-  let { url: sampleUrl, label, playbackRate } = getSampleInfo(hapValue, bank);
+export const getSampleBuffer = async (label, sampleUrl, resolveUrl) => {
   if (resolveUrl) {
     sampleUrl = await resolveUrl(sampleUrl);
   }
   const ac = getAudioContext();
   const buffer = await loadBuffer(sampleUrl, ac, label);
+  return buffer
+};
 
+function getBufferPlaybackRate(hapValue, buffer, transpose) {
+  const { speed = 1.0 } = hapValue;
+  let playbackRate = Math.abs(speed) * Math.pow(2, transpose / 12);
   if (hapValue.unit === 'c') {
     playbackRate = playbackRate * buffer.duration;
   }
-  return { buffer, playbackRate };
-};
+  return playbackRate;
+}
+
+
 
 // creates playback ready AudioBufferSourceNode from hapValue
-export const getSampleBufferSource = async (hapValue, bank, resolveUrl) => {
-  let { buffer, playbackRate } = await getSampleBuffer(hapValue, bank, resolveUrl);
+export function getSampleBufferSource(hapValue, buffer,transpose) {
   if (hapValue.speed < 0) {
     // should this be cached?
     buffer = reverseBuffer(buffer);
   }
+  const playbackRate = getBufferPlaybackRate(hapValue, buffer, transpose)
   const ac = getAudioContext();
   const bufferSource = ac.createBufferSource();
   bufferSource.buffer = buffer;
@@ -264,7 +263,7 @@ export const samples = async (sampleMap, baseUrl = sampleMap._base || '', option
 
 const cutGroups = [];
 
-export async function onTriggerSample(t, value, onended, bank, resolveUrl) {
+export async function onTriggerSample(t, value, onended, bufferSrc) {
   let {
     s,
     nudge = 0, // TODO: is this in seconds?
@@ -286,7 +285,7 @@ export async function onTriggerSample(t, value, onended, bank, resolveUrl) {
   // destructure adsr here, because the default should be different for synths and samples
   let [attack, decay, sustain, release] = getADSRValues([value.attack, value.decay, value.sustain, value.release]);
 
-  const { bufferSource, sliceDuration, offset } = await getSampleBufferSource(value, bank, resolveUrl);
+  const { bufferSource, sliceDuration, offset } = bufferSrc
 
   // asny stuff above took too long?
   if (ac.currentTime > t) {
@@ -348,14 +347,21 @@ export async function onTriggerSample(t, value, onended, bank, resolveUrl) {
   return handle;
 }
 
+async function getBufferSrcFromBank(hapValue, bank, resolveUrl = undefined) {
+  const { transpose, url, label } = getCommonSampleInfoFromBank(hapValue, bank)
+  let buffer = await getSampleBuffer(label,url, resolveUrl);
+  return getSampleBufferSource(hapValue, buffer, transpose)
+}
+
 function registerSample(key, bank, params) {
-  registerSound(key, (t, hapValue, onended) => onTriggerSample(t, hapValue, onended, bank), {
+  registerSound(key, async (t, hapValue, onended) => onTriggerSample(t, hapValue, onended, await getBufferSrcFromBank(hapValue, bank, undefined)), {
     type: 'sample',
     samples: bank,
     ...params,
   });
 }
 
+
 export function registerSampleSource(key, bank, params) {
   const isWavetable = key.startsWith('wt_');
   if (isWavetable) {

packages/superdough/util.mjs

@@ -80,12 +80,13 @@ export function secondsToCycle(t, cps) {
 // deduces relevant info for sample loading from hap.value and sample definition
 // it encapsulates the core sampler logic into a pure and synchronous function
 // hapValue: Hap.value, bank: sample bank definition for sound "s" (values in strudel.json format)
-export function getCommonSampleInfo(hapValue, bank) {
+export function getCommonSampleInfoFromBank(hapValue, bank) {
   const { s, n = 0 } = hapValue;
   let midi = valueToMidi(hapValue, 36);
-  let transpose = midi - 36; // C3 is middle C;
   let url;
   let index = 0;
+  let {transpose, label} = getCommonSampleInfo(hapValue)
+
   if (Array.isArray(bank)) {
     index = getSoundIndex(n, bank.length);
     url = bank[index];
@@ -102,6 +103,20 @@ export function getCommonSampleInfo(hapValue, bank) {
     index = getSoundIndex(n, bank[closest].length);
     url = bank[closest][index];
   }
-  const label = `${s}:${index}`;
-  return { transpose, url, index, midi, label };
+  label = `${s}:${index}`;
+  return { transpose, url, label };
 }
+
+
+export function getCommonSampleInfo(hapValue) {
+  const { s, n = 0 } = hapValue;
+  let midi = valueToMidi(hapValue, 36);
+  let transpose = midi - 36; // C3 is middle C;
+  const label = `${s}:${n}`;
+  return { transpose, label };
+}
+
+
+
+
+

packages/superdough/wavetable.mjs

@@ -1,5 +1,5 @@
 import { getAudioContext, registerSound } from './index.mjs';
-import { getCommonSampleInfo } from './util.mjs';
+import { getCommonSampleInfoFromBank } from './util.mjs';
 import {
   applyFM,
   applyParameterModulators,
@@ -216,7 +216,7 @@ export async function onTriggerSynth(t, value, onended, tables, cps, frameLen) {
     warpmode = Warpmode[warpmode.toUpperCase()] ?? Warpmode.NONE;
   }
   const frequency = getFrequencyFromValue(value);
-  const { url, label } = getCommonSampleInfo(value, tables);
+  const { url, label } = getCommonSampleInfoFromBank(value, tables);
   const payload = await getPayload(url, label, frameLen);
   let holdEnd = t + duration;
   if (clip !== undefined) {

website/src/repl/idbutils.mjs

@@ -1,6 +1,8 @@
-import { registerSampleSource } from '@strudel/webaudio';
+import { getSampleBufferSource, onTriggerSample, registerSampleSource } from '@strudel/webaudio';
 import { isAudioFile } from './files.mjs';
-import { logger } from '@strudel/core';
+import { getSoundIndex, logger } from '@strudel/core';
+import { registerSound } from '@strudel/webaudio';
+import { getCommonSampleInfo } from '../../../packages/superdough/util.mjs';
 
 //utilites for writing and reading to the indexdb
 
@@ -25,6 +27,15 @@ function clearAllIDB() {
 
 export function clearIDB(dbName) {
   return window.indexedDB.deleteDatabase(dbName);
+}
+
+
+function registerSampleFromIdb(key, bank, params) {
+
+  
+
+
+
 }
 
 // queries the DB, and registers the sounds so they can be played
@@ -52,31 +63,76 @@ export function registerSamplesFromDB(config = userSamplesDBConfig, onComplete =
             if (!isAudioFile(title)) {
               return;
             }
+
             const splitRelativePath = soundFile.id.split('/');
             let parentDirectory =
               //fallback to file name before period and seperator if no parent directory
               splitRelativePath[splitRelativePath.length - 2] ?? soundFile.id.split(/\W+/)[0] ?? 'user';
-            const blob = soundFile.blob;
-
-            return blobToDataUrl(blob).then((soundPath) => {
+            
+              // const blob = soundFile.blob;       
+            
               const titlePathMap = sounds.get(parentDirectory) ?? new Map();
 
-              titlePathMap.set(title, soundPath);
-
+              titlePathMap.set(title, soundFile.id);
               sounds.set(parentDirectory, titlePathMap);
-              return;
-            });
+
+
+
+              
+            // return blobToDataUrl(blob).then((soundPath) => {
+            //   const titlePathMap = sounds.get(parentDirectory) ?? new Map();
+
+            //   titlePathMap.set(title, soundPath);
+
+            //   sounds.set(parentDirectory, titlePathMap);
+            //   return;
+            // });
           }),
       )
         .then(() => {
           sounds.forEach((titlePathMap, key) => {
-            const value = Array.from(titlePathMap.keys())
+            const bank = Array.from(titlePathMap.keys())
               .sort((a, b) => {
                 return a.localeCompare(b);
               })
               .map((title) => titlePathMap.get(title));
 
-            registerSampleSource(key, value, { prebake: false });
+              
+
+
+              registerSound(key, async (t, hapValue, onended) => {
+                const { s, n = 0 } = hapValue;
+                const index = getSoundIndex(n, bank.length);
+                 let {transpose, label} = getCommonSampleInfo(hapValue)
+                const  storeKey = bank[index];
+
+                openDB(config, (objectStore) => { 
+                  const getRequest = objectStore.get(storeKey);
+                  getRequest.onsuccess = async (event) => { 
+                    const result = event.target.result;
+                    let buffer = result?.blob.arrayBuffer ? await result.blob.arrayBuffer() : null;
+                    console.info(buffer)
+                    if (buffer) {
+                      const bufferSource = getSampleBufferSource(hapValue,buffer,transpose)
+                      onTriggerSample(t, hapValue, onended, bufferSource)
+                    } else {
+                      logger(`Could not load sample for ${storeKey}`, 'error');
+                    }
+                  };
+                })
+               
+                // const buffer =   objectStore.getKey(key)
+                // const bufferSource = getSampleBufferSource(hapValue,buffer,transpose)
+                 
+                //  onTriggerSample(t, hapValue, onended, await getBufferSrcFromBank(hapValue, bank, undefined))
+              
+               }, {
+                 type: 'sample',
+                 samples: bank,
+                 
+               });
+
+            // registerSampleSource(key, value, { prebake: false });
           });
 
           logger('imported sounds registered!', 'success');