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main.js
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/*!
DigiChain v1.4.15-latest [ https://digichain.brianbar.net/ ]
<https://github.com/brian3kb/digichain>
(c) 2023 Brian Barnett <me [at] brianbar.net>
[ @brian3kb ]
Licenced under GPLv3 <https://github.com/brian3kb/digichain/blob/main/LICENSE>
DigiChain bundled resources:
[MIT license] JSZip : <https://github.com/Stuk/jszip/blob/main/LICENSE.markdown>
[MIT license] Pako : <https://github.com/nodeca/pako/blob/main/LICENSE>
[MIT license] Modified version of Audiobuffer-to-wav : <https://github.com/Experience-Monks/audiobuffer-to-wav/blob/master/LICENSE.md>
[MIT license] Modified version of Audiobuffer-to-aiff : <https://github.com/hunjunior/audiobuffer-to-aiff/blob/master/LICENSE>
Brian referenced the following during development:
[BSD-3] MIDI-SDS, for how the Machine Drum stores audio data in syx files : <https://github.com/eh2k/uwedit/blob/master/core/MidiSDS.cpp> / <https://github.com/eh2k/uwedit/blob/master/LICENSE.txt>
[Unlicense] OctaChainer, how to read/write .ot binary files correctly : <https://github.com/KaiDrange/OctaChainer/blob/master/otwriter.cpp> / <https://github.com/KaiDrange/OctaChainer/blob/master/License.txt>
Tips and Tricks on drawing array buffers to the canvas element: <https://css-tricks.com/making-an-audio-waveform-visualizer-with-vanilla-javascript/>
[MIT License] Basic beat detection : https://github.com/JMPerez/beats-audio-api/blob/gh-pages/script.js / http://joesul.li/van/beat-detection-using-web-audio/
*/
import {
Resampler,
audioBufferToWav,
encodeOt,
getAifSampleRate,
joinToMono,
joinToStereo,
bufferToFloat32Array,
getSupportedSampleRates, detectTempo
} from './resources.js';
import {
editor,
showEditor,
drawWaveform,
getNiceFileName,
setEditorConf,
getUniqueName
} from './editor.js';
const uploadInput = document.getElementById('uploadInput');
const listEl = document.getElementById('fileList');
const infoEl = document.getElementById('infoIndicator');
const supportedAudioTypes = ['syx', 'wav', 'flac', 'aif', 'webm', 'm4a', 'pti', 'mp3'];
const DefaultSliceOptions = [0, 4, 8, 16, 32, 64, 128];
const importFileLimitValue = 750;
let db, dbReq;
let masterSR = 48000; /*The working sample rate*/
let targetSR = 48000; /*The target sample rate, what rendered files will output at.*/
let masterBitDepth = 16;
let masterChannels = 1;
let targetContainer = 'w';
let supportedSampleRates = JSON.parse(localStorage.getItem('supportedSampleRates')) ??
getSupportedSampleRates();
let lastUsedAudioConfig = localStorage.getItem('lastUsedAudioConfig') ??
'48000m16w';
let restoreLastUsedAudioConfig = JSON.parse(
localStorage.getItem('restoreLastUsedAudioConfig')) ?? true;
let retainSessionState = JSON.parse(
localStorage.getItem('retainSessionState')) ?? true;
let pitchModifier = JSON.parse(localStorage.getItem('pitchModifier')) ?? 1;
let reverseEvenSamplesInChains = JSON.parse(
localStorage.getItem('reverseEvenSamplesInChains')) ?? false;
let playWithPopMarker = JSON.parse(
localStorage.getItem('playWithPopMarker')) ?? 0;
let zipDownloads = JSON.parse(localStorage.getItem('zipDownloads')) ?? true;
let embedSliceData = false;
/*let embedSliceData = JSON.parse(localStorage.getItem('embedSliceData')) ??
false;*/
let embedCuePoints = JSON.parse(localStorage.getItem('embedCuePoints')) ??
true;
let embedOrslData = JSON.parse(localStorage.getItem('embedOrslData')) ??
false;
let showTouchModifierKeys = JSON.parse(
localStorage.getItem('showTouchModifierKeys')) ?? false;
let exportWithOtFile = JSON.parse(
localStorage.getItem('exportWithOtFile')) ?? false;
let darkModeTheme = JSON.parse(
localStorage.getItem('darkModeTheme')) ?? true;
let normalizeContrast = JSON.parse(
localStorage.getItem('normalizeContrast')) ?? false;
let importFileLimit = JSON.parse(
localStorage.getItem('importFileLimit')) ?? true;
let skipMiniWaveformRender = JSON.parse(
localStorage.getItem('skipMiniWaveformRender')) ?? false;
let attemptToFindCrossingPoint = JSON.parse(
localStorage.getItem('attemptToFindCrossingPoint')) ?? false;
let deClick = JSON.parse(
localStorage.getItem('deClick')) ?? 0.4;
let treatDualMonoStereoAsMono = JSON.parse(
localStorage.getItem('treatDualMonoStereoAsMono')) ?? true;
let shiftClickForFileDownload = JSON.parse(
localStorage.getItem('shiftClickForFileDownload')) ?? false;
let secondsPerFile = 0;
let audioCtx;
let files = [];
let unsorted = [];
let importOrder = [];
let metaFiles = [];
let mergeFiles = [];
let chainFileNames = []; //{ name: '', used: false }
let lastSort = '';
let lastSelectedRow;
let lastLastSelectedRow;
let lastSliceFileImport = []; // [].enabledTracks = {t[x]: boolean}
let lastOpKit = [];
let workBuffer;
let sliceGrid = 0;
let sliceOptions = Array.from(DefaultSliceOptions);
let lastSliceOptions = Array.from(sliceOptions);
let keyboardShortcutsDisabled = false;
let showSamplesList = true;
let modifierKeys = {
shiftKey: false,
ctrlKey: false
};
metaFiles.getByFileName = function(filename) {
let found = this.find(m => m.name.replace(/\.[^.]*$/, '') ===
filename.replace(/\.[^.]*$/, ''));
if (!found && filename.endsWith('.flac')) {
found = this.find(m => filename.includes(`(${m.name})`));
}
if (filename === '---sliceToTransientCached---' && !found) {
found = {
uuid: crypto.randomUUID(),
name: '---sliceToTransientCached---',
sliceCount: 0,
slices: []
};
metaFiles.push(found);
}
return found;
};
metaFiles.getByFile = function(file) {
if (file.meta.slicedFrom) { return false; }
const found = this.find(m => m.name.replace(/\.[^.]*$/, '') ===
file.file.name.replace(/\.[^.]*$/, ''));
if (found) { return found; }
if (file.meta.op1Json && file.meta.op1Json.start) {
let opSlices = file.meta.op1Json.start.map(
(s, i) => ({
startPoint: s,
endPoint: file.meta.op1Json.end[i],
p: file.meta.op1Json.pan[i],
pab: file.meta.op1Json.pan_ab[i],
st: file.meta.op1Json.pitch[i]
})).reduce((acc, curr, idx) => {
if (acc?.pos && acc.pos > -1) {
if (curr.endPoint > acc.pos) {
acc.result.push(curr);
acc.pos = curr.endPoint;
}
} else {
acc.pos = acc.pos ?? curr.endPoint;
acc.result.push(curr);
}
return acc;
}, {result: []}).result;
return {
uuid: file.meta.uuid,
name: file.file.name,
path: file.file.path,
cssClass: 'is-op-file',
sliceCount: opSlices.length,
slices: opSlices
};
} else if (file.meta.customSlices) {
return {
uuid: file.meta.uuid,
name: file.file.name,
path: file.file.path,
cssClass: 'is-dc-file',
sliceCount: file.meta.customSlices.sliceCount,
slices: file.meta.customSlices.slices
};
} else if (file.meta.slices) {
return {
uuid: file.meta.uuid,
name: file.file.name,
path: file.file.path,
cssClass: 'is-dc-file',
otLoop: file.meta.otLoop??0,
otLoopStart: file.meta.otLoopStart??0,
sliceCount: file.meta.slices.length,
slices: file.meta.slices.map(
slice => ({
startPoint: slice.s,
endPoint: slice.e,
loopPoint: slice.l ?? -1,
name: slice.n || slice.name || '',
p: slice.p ?? 16384,
pab: slice.pab ?? false,
st: slice.st ?? 0
})
)
};
}
};
metaFiles.getByFileInDcFormat = function(file) {
return (
file === '---sliceToTransientCached---' ?
metaFiles.getByFileName('---sliceToTransientCached---') :
metaFiles.getByFile(file) || {slices: []}).slices.map(slice => {
let _slice = {
s: slice.startPoint,
e: slice.endPoint,
l: slice.loopPoint,
n: slice.name || ''
};
['p', 'pab', 'st'].forEach(k => {
if (slice[k]??false) { return ; }
_slice[k] = slice[k];
});
return _slice;
});
};
metaFiles.removeSelected = function() {
files.forEach(f => {
const idx = this.findIndex(i => i === this.getByFileName(f.file.name));
f.meta.checked && idx !== -1 ? this.splice(idx, 1) : false;
});
};
metaFiles.removeByName = function(filename) {
const idx = this.findIndex(i => i === this.getByFileName(filename));
if (idx !== -1) {
this.splice(idx, 1);
unsorted = unsorted.filter(id => id !== idx);
}
};
function removeMetaFile(id) {
const file = getFileById(id);
if (!file) { return; }
metaFiles.removeByName(file.file.filename);
if (file.meta.op1Json) {
delete file.meta.op1Json;
}
}
function getSlicesFromMetaFile(file) {
return metaFiles.getByFileInDcFormat(file);
}
function checkAndSetAudioContext() {
if (!audioCtx || audioCtx.sampleRate !== masterSR) {
audioCtx = new AudioContext(
{sampleRate: masterSR, latencyHint: 'interactive'});
setEditorConf({
audioCtx,
masterSR,
masterChannels,
masterBitDepth
});
}
}
function setAudioOptionsFromCommonConfig(event) {
const configString = event.target.value;
if (configString === 'none') {
return ;
}
const defaults = [48000, 'm', 16, 'w', ...DefaultSliceOptions];
let configValues = configString ? configString.match(/^\d+|[ms]|\d+|[wa]/g) : defaults;
document.getElementById(`acoContainer${configValues[3]}`).click();
document.getElementById('settingsSampleRate').value = +configValues[0];
document.getElementById(`acoChannel${configValues[1]}`).click();
document.getElementById(`acoBitDepth${configValues[2]}`).click();
configValues.slice(4).forEach((g, i) => i > 0 ?document.getElementById(`gridSize${+i}`).value = +g : '');
if (files.length === 0) {
document.getElementById('settingsWorkingSampleRate').value = +configValues[0];
}
}
async function changeAudioConfig(configString = '', onloadRestore = false) {
const settingsPanelEl = document.getElementById('exportSettingsPanel');
const configOptionsEl = document.getElementById('audioConfigOptions');
const audioValuesFromCommonSelectEl = document.getElementById('audioValuesFromCommonSelect');
const commonSelectDevice = (audioValuesFromCommonSelectEl?.selectedOptions??[])[0]?.dataset?.device;
const defaults = [48000, 'm', 16, 'w', ...DefaultSliceOptions];
let configValues = configString ? configString.match(/^\d+|[ms]|\d+|[wa]/g) : defaults;
configValues = configValues.length === 11 ? configValues : defaults;
let configData = configString && configValues.length === 11? {
sr: +configValues[0],
c: configValues[1],
bd: +configValues[2],
f: configValues[3],
go: configValues.slice(4)
} : {
sr: +document.getElementById('settingsSampleRate').value,
c: +document.getElementById('channelsGroup').dataset.channels === 1 ? 'm' : 's',
bd: +document.getElementById('bitDepthGroup').dataset.bitDepth,
f: document.getElementById('targetContainerGroup').dataset.container,
go: [0, ...[...document.querySelectorAll('.acoSliceGridOption')].map(go => +go.value)]
};
let workingSR = +(document.getElementById('settingsWorkingSampleRate')?.value || localStorage.getItem('workingSampleRate') || 48000);
/*toggleSetting('embedSliceData', false, true);*/
toggleSetting('embedCuePoints', true, true);
if (audioValuesFromCommonSelectEl) {
toggleSetting('exportWithOtFile', 'ot' === commonSelectDevice, true);
audioValuesFromCommonSelectEl.value = 'none';
}
if (configData.f === 'a') {
configData.sr = 44100;
configData.bd = 16;
}
if (configData.sr < supportedSampleRates[0] || configData.sr > supportedSampleRates[1]) {
alert(
`ERROR: The sample rate ${configData.sr}Hz is not supported by your browser.\n\nPlease select a sample rate between ${supportedSampleRates[0]}Hz and ${supportedSampleRates[1]}Hz`);
return false;
}
if (workingSR < supportedSampleRates[0] || workingSR > supportedSampleRates[1]) {
alert(
`ERROR: The sample rate ${workingSR}Hz is not supported by your browser.\n\nPlease select a sample rate between ${supportedSampleRates[0]}Hz and ${supportedSampleRates[1]}Hz`);
return false;
}
if (files.length > 0 && workingSR !== masterSR) {
let conf = confirm(
`Frequently changing audio working sample rate can degrade the audio quality, particularly in the transients and higher frequencies.\n\n Do you want to continue?`);
if (!conf) {
return false;
}
}
document.body.classList.add('loading');
const selectionString = `${configData.f === 'a' ? 'AIF ' : ''}${configData.sr/1000}kHz/${configData.bd}BIT ${configData.c === 'm' ? 'MONO' : 'STEREO'}`;
configOptionsEl.value = selectionString;
const selection = `${configData.sr}${configData.c}${configData.bd}${configData.f}${configData.go.join('-')}`;
lastUsedAudioConfig = selection;
localStorage.setItem('lastUsedAudioConfig', selection);
localStorage.setItem('workingSampleRate', `${workingSR}`);
let resampleState = false;
if (workingSR !== masterSR && !onloadRestore) {
resampleState = true;
}
masterSR = workingSR;
targetSR = configData.sr;
masterBitDepth = configData.bd;
masterChannels = configData.c === 'm' ? 1 : 2;
targetContainer = configData.f;
sliceOptions = configData.go.map(g => +g);
document.body.dataset.targetSr = targetSR;
sliceOptions.forEach((option, index) => changeSliceOption(
document.querySelector(`.master-slices .sel-${index}`), option,
true
));
selectSliceAmount({
shiftKey: false,
target: document.querySelector(`.master-slices [class*="sel-"].check:not(.button-outline)`)
}, sliceOptions[+document.querySelector(`.master-slices [class*="sel-"].check:not(.button-outline)`)?.dataset?.sel??0]);
if (!onloadRestore) {
checkAndSetAudioContext();
}
secondsPerFile = 0;
secondsPerFile = 'opz' === commonSelectDevice ? 12 : secondsPerFile;
secondsPerFile = 'op1f' === commonSelectDevice ? 20 : secondsPerFile;
secondsPerFile = 'opxy' === commonSelectDevice ? 40 : secondsPerFile;
toggleSecondsPerFile(false,
!secondsPerFile ? 0 :
secondsPerFile
);
setEditorConf({
audioCtx,
masterSR,
masterChannels,
masterBitDepth
});
if (files.length > 0) {
files.filter(f => f.buffer.numberOfChannels > 1).
forEach(f => f.waveform = false);
}
if (resampleState) {
files = files.map(f => bufferRateResampler(f));
}
if (settingsPanelEl.open) {
settingsPanelEl.close();
}
renderList();
}
function checkAudioContextState() {
if (audioCtx.state === 'closed') {
document.body.classList.remove('loading');
alert(
'ERROR: The Audio Context has been closed, please refresh the browser tab.');
return true;
}
if (['interrupted', 'suspended'].includes(audioCtx.state)) {
audioCtx.resume();
}
return false;
}
function bufferRateResampler(f, workingSR, audioCtxOverride) {
let audioBuffer, slices;
let channel0 = (f.buffer.channel0 || f.buffer.getChannelData(0));
let channel1 = f.buffer.numberOfChannels === 2 ? (f.buffer.channel1 || f.buffer.getChannelData(1)) : false;
workingSR = workingSR || masterSR;
if (f.buffer.sampleRate !== workingSR) {
let resample, resampleR;
resample = new Resampler(f.buffer.sampleRate, workingSR, 1,
channel0);
resample.resampler(resample.inputBuffer.length);
if (f.buffer.numberOfChannels === 2) {
resampleR = new Resampler(f.buffer.sampleRate, workingSR, 1,
channel1);
resampleR.resampler(resampleR.inputBuffer.length);
}
audioBuffer = (audioCtxOverride??audioCtx).createBuffer(
f.buffer.numberOfChannels,
resample.outputBuffer.length,
workingSR
);
audioBuffer.copyToChannel(resample.outputBuffer, 0);
if (f.buffer.numberOfChannels === 2) {
audioBuffer.copyToChannel(resampleR.outputBuffer, 1);
}
if (Array.isArray(f.meta.slices)) {
slices = f.meta.slices.map(slice => ({
...slice,
s: Math.round((slice.s / f.buffer.sampleRate) * workingSR),
/*If the slice end is the end of the buffer, set it to the end of the resample buffer.*/
e: slice.e === f.buffer.length ?
Math.round(resample.outputBuffer.length) :
Math.round((slice.e / f.buffer.sampleRate) * workingSR),
l: slice.l && slice.l > -1 ? Math.round((slice.l / f.buffer.sampleRate) * workingSR) : -1
}));
}
} else {
audioBuffer = (audioCtxOverride??audioCtx).createBuffer(
f.buffer.numberOfChannels,
f.buffer.length,
workingSR
);
audioBuffer.copyToChannel(channel0, 0);
if (f.buffer.numberOfChannels === 2) {
audioBuffer.copyToChannel(channel1, 1);
}
}
return {
file: f.file,
meta: {
...f.meta,
slices: Array.isArray(slices) ? slices : f.meta.slices || false,
length: audioBuffer.length,
duration: Number(audioBuffer.length / workingSR).toFixed(3)
},
buffer: audioBuffer
};
}
const getFileById = (id) => {
return files.find(f => f.meta.id === id);
};
const getFileIndexById = (id) => {
return files.findIndex(f => f.meta.id === id);
};
const getRowElementById = (id, tableId = '#masterList') => {
return document.querySelector(`${tableId} tr[data-id="${id}"]`);
};
const toggleModifier = (key) => {
if (key === 'shiftKey' || key === 'ctrlKey' || key === 'metaKey') {
key = key === 'metaKey' ? 'ctrlKey' : key;
modifierKeys[key] = !modifierKeys[key];
document.getElementById('modifierKey' + key).classList[modifierKeys[key]
? 'add'
: 'remove']('active');
document.body.classList[modifierKeys[key] ? 'add' : 'remove'](
key + '-mod-down');
}
};
const closePopUps = () => {
lastSelectedRow?.focus();
document.querySelectorAll('.pop-up').
forEach(w => w.classList.remove('show'));
stopPlayFile(false, editor.getLastItem());
renderList();
try {
lastSelectedRow = getRowElementById(lastSelectedRow.dataset.id);
lastSelectedRow.classList.add('selected');
lastSelectedRow.scrollIntoViewIfNeeded(true);
} catch (e) {}
};
const arePopUpsOpen = () => {
return ([...document.querySelectorAll('.pop-up')].some(
w => w.classList.contains('show')) ||
document.querySelectorAll('dialog[open]').length > 0);
};
const toggleOptionsPanel = () => {
const buttonsEl = document.getElementById('allOptionsPanel');
const toggleButtonEl = document.getElementById('toggleOptionsButton');
buttonsEl.classList.contains('hidden') ? buttonsEl.classList.remove(
'hidden') : buttonsEl.classList.add('hidden');
buttonsEl.classList.contains('hidden') ? toggleButtonEl.classList.add(
'collapsed') : toggleButtonEl.classList.remove('collapsed');
};
const toggleListVisibility = () => {
showSamplesList = !showSamplesList;
renderList(true);
};
function chainFileNamesAvailable(getCount = false) {
const count = chainFileNames.filter(f => !f.used).length;
return getCount ? count : count > 0;
}
function getNextChainFileName(length) {
const chainNameBtnEl = document.querySelector('.chain-name-toggle');
let item = chainFileNames.filter(f => !f.used)[0];
item.used = true;
chainNameBtnEl.dataset.count = `${chainFileNamesAvailable()
? chainFileNamesAvailable(true)
: ''}`;
chainNameBtnEl.classList[chainNameBtnEl.dataset.count ? 'remove' : 'add'](
'fade');
return `${item.name}--[${length}].wav`;
}
function generateChainNames() {
chainFileNames = [
...new Set(files.filter(f => f.file.path).map(f => f.file.path))].map(
p => ({name: p.replace(/\W+/gi, ''), used: false}));
renderChainNamePanelContent();
}
function changeChainName(event, index, action) {
let item;
if (action === 'remove-all') {
event.preventDefault();
let confirmRemove = confirm(
`Are you sure you want to remove all the chain names below?`);
if (confirmRemove) {
chainFileNames = [];
}
return renderChainNamePanelContent();
}
if (index === undefined) {
item = {name: '', used: false};
} else {
item = chainFileNames[index];
}
if ((index > -1) && action === 'remove') {
event.preventDefault();
let confirmRemove = confirm(
`Are you sure you want to remove the chain name '${item.name}'?`);
if (confirmRemove) {
chainFileNames.splice(index, 1);
}
return renderChainNamePanelContent();
} else if ((index > -1) && action === 'reuse') {
event.preventDefault();
item.used = false;
return renderChainNamePanelContent();
}
let newName = prompt(
'Please enter a name for the chain, names must be unique', item.name);
if (newName) {
item.name = newName;
if (index === undefined && chainFileNames.findIndex(
n => n.name.toLowerCase() === newName.toLowerCase()) === -1) {
chainFileNames.push(item);
}
renderChainNamePanelContent();
}
}
function renderChainNamePanelContent() {
const chainNameBtnEl = document.querySelector('.chain-name-toggle');
const chainFileNameListPanelEl = document.getElementById(
'chainFileNameListPanel');
const contentEl = chainFileNameListPanelEl.querySelector('.content');
const namesHtml = chainFileNames.sort((a, b) => a.used - b.used).
reduce((a, v, i) => a += `
<tr>
<td
class="chain-file-name-option ${v.used ? 'used' : ''}"
onpointerdown="digichain.changeChainName(event, ${i})"
>${v.name} </td>
<td>
<button title="Remove this name from the list." class="remove-chain float-right button-clear" onpointerdown="digichain.changeChainName(event, ${i}, 'remove')"><i class="gg-remove"></i></button>
<button title="Reset this name so it can be reused for a sample chain name." class="reuse-chain p-0 float-right button-clear ${v.used
? ''
: 'hidden'}" onpointerdown="digichain.changeChainName(event, ${i}, 'reuse')"><i class="gg-undo"></i></button>
</td>
</tr>
`, '');
chainNameBtnEl.dataset.count = `${chainFileNamesAvailable()
? chainFileNamesAvailable(true)
: ''}`;
chainNameBtnEl.classList[chainNameBtnEl.dataset.count ? 'remove' : 'add'](
'fade');
contentEl.innerHTML = `
<div class="row">
<div class="column mh-60vh">
<table>
<tr>
<th class="p-0"><h5>Sample Chain Names</h5></th>
<th class="p-0"><button title="Remove all names from the list." class="remove-chain float-right button-clear" style="transform: translateX(-0.5rem);" onpointerdown="digichain.changeChainName(event, -1, 'remove-all')"><i class="gg-remove"></i></button></th>
</tr>
<tbody>
${namesHtml}
</tbody>
</table>
</div>
</div>
<div style="padding-top:1rem;">
<button title="Generates a list of filenames based on the folder path of the files in the list. This will replace all other names in the sample names list." class="button-outline float-left" onpointerdown="digichain.generateChainNames()">Generate</button>
<button title="Add a name to use for sample chains, if the list is empty, or all the names have already been used, the DigiChain default naming convention will be used. (Names must be unique, caps are ignored.)" class="button float-right" onpointerdown="digichain.changeChainName(event)">Add Name</button>
</div>
`;
}
function toggleChainNamePanel() {
const chainFileNameListPanelEl = document.getElementById(
'chainFileNameListPanel');
chainFileNameListPanelEl.open
? chainFileNameListPanelEl.close()
: chainFileNameListPanelEl.showModal();
if (chainFileNameListPanelEl.open) {
renderChainNamePanelContent();
}
}
function closeSplitOptions(event) {
const el = document.getElementById('splitOptions');
if (el.open) {
el.close();
}
stopPlayFile(event, lastSelectedRow.dataset.id);
}
const showEditPanel = (event, id, view = 'sample') => {
let data, folderOptions;
if (view === 'opExport') {
lastOpKit = files.filter(f => f.meta.checked);
data = lastOpKit;
} else {
if (id && view !== 'opExport') {
lastSelectedRow = getRowElementById(id);
}
folderOptions = [...new Set(files.map(f => f.file.path))];
data = getFileById(id || lastSelectedRow.dataset.id);
}
showEditor(
data,
{
audioCtx,
masterSR,
masterChannels,
masterBitDepth
},
view,
folderOptions
);
};
const closeEditPanel = () => {
const editPanelEl = document.getElementById('editPanel');
if (editPanelEl.open) {
editPanelEl.close();
};
files.forEach(f => delete f.meta.editing);
digichain.stopPlayFile(false, digichain.editor.getLastItem());
digichain.renderList();
};
function checkShouldExportOtFile(skipExportWithCheck = false) {
return (exportWithOtFile || skipExportWithCheck) && targetSR === 44100 &&
targetContainer === 'w';
}
async function setWavLink(file, linkEl, renderAsAif, useTargetSR, bitDepthOverride) {
let fileName = getNiceFileName('', file, false, true);
let wav, wavSR, blob;
fileName = targetContainer === 'a' ?
fileName.replace('.wav', '.aif') :
fileName;
file.meta.slices = file.meta.slices || metaFiles.getByFileInDcFormat(file);
wav = audioBufferToWav(
file.buffer, {...file.meta, renderAt: useTargetSR ? targetSR : false}, masterSR, (bitDepthOverride || masterBitDepth),
masterChannels, deClick,
(renderAsAif && pitchModifier === 1), pitchModifier, embedSliceData,
embedCuePoints, embedOrslData
);
wavSR = wav.sampleRate;
wav = wav.buffer;
blob = new window.Blob([new DataView(wav)], {
type: renderAsAif && pitchModifier === 1 ? 'audio/aiff' : 'audio/wav'
});
if (pitchModifier !== 1) {
let linkedFile = await fetch(URL.createObjectURL(blob));
let arrBuffer = await linkedFile.arrayBuffer();
let pitchedBuffer = await audioCtx.decodeAudioData(arrBuffer);
let meta = {...file.meta};
meta.slices = meta.slices.map(slice => ({
...slice,
n: slice.n, s: Math.round(slice.s / pitchModifier),
e: Math.round(slice.e / pitchModifier),
l: (!slice.l || slice.l) === -1 ? -1 : Math.round(
slice.l / pitchModifier)
}));
wav = audioBufferToWav(
pitchedBuffer, {...meta, renderAt: useTargetSR ? targetSR : false}, masterSR, (bitDepthOverride || masterBitDepth),
masterChannels, deClick,
renderAsAif, 1, embedSliceData, embedCuePoints, embedOrslData
);
wavSR = wav.sampleRate;
wav = wav.buffer;
blob = new window.Blob([new DataView(wav)], {
type: renderAsAif ? 'audio/aiff' : 'audio/wav'
});
}
linkEl.href = URL.createObjectURL(blob);
linkEl.setAttribute('download', fileName);
return {blob, sampleRate: wavSR};
}
async function downloadAll(event) {
const _files = files.filter(f => f.meta.checked);
const flattenFolderStructure = (event.shiftKey || modifierKeys.shiftKey);
const links = [];
const el = document.getElementById('getJoined');
const renderAsAif = targetContainer === 'a';
if (_files.length === 0) { return; }
if (_files.length > 5 && !zipDownloads) {
const userReadyForTheCommitment = confirm(
`You are about to download ${_files.length} files, that will show ${_files.length} pop-ups one after each other..\n\nAre you ready for that??`);
if (!userReadyForTheCommitment) { return; }
}
document.getElementById('loadingText').textContent = 'Processing';
document.body.classList.add('loading');
if (zipDownloads && _files.length > 1) {
const zip = new JSZip();
for (const file of _files) {
const wav = await setWavLink(file, el, renderAsAif, true);
let fileName = '';
fileName = targetContainer === 'a' ?
fileName.replace('.wav', '.aif') :
fileName;
if (flattenFolderStructure) {
fileName = getNiceFileName(
'', file, false, true
);
fileName = targetContainer === 'a' ?
fileName.replace('.wav', '.aif') :
fileName;
zip.file(fileName, wav.blob, {binary: true});
let otFile = await createAndSetOtFileLink(
file.meta.slices ?? [], file, fileName);
if (otFile) {
zip.file(otFile.name, otFile.blob, {binary: true});
}
} else {
let fileName = getNiceFileName('', file, false);
fileName = targetContainer === 'a' ?
fileName.replace('.wav', '.aif') :
fileName;
zip.file(file.file.path + fileName, wav.blob, {binary: true});
let otFile = await createAndSetOtFileLink(
file.meta.slices ?? [], file, fileName);
if (otFile) {
zip.file(file.file.path + otFile.name, otFile.blob,
{binary: true});
}
}
}
zip.generateAsync({type: 'blob'}).then(blob => {
const el = document.getElementById('getJoined');
el.href = URL.createObjectURL(blob);
el.setAttribute('download', 'digichain_files.zip');
el.click();
document.body.classList.remove('loading');
});
return;
}
for (const file of _files) {
const link = await downloadFile(file.meta.id);
link.forEach(l => links.push(l));
}
const intervalId = setInterval(() => {
const lnk = links.shift();
lnk?.click();
if (links.length === 0 && lnk) {
clearInterval(intervalId);
document.body.classList.remove('loading');
}
}, 500);
}
async function downloadFile(id, fireLink = false, event = {}) {
const el = getRowElementById(id).querySelector('.wav-link-hidden');
const metaEl = getRowElementById(id).querySelector('.meta-link-hidden');
const file = getFileById(id);
const renderAsAif = targetContainer === 'a';
await setWavLink(file, el, renderAsAif, true);
let otFile = await createAndSetOtFileLink(
file.meta.slices ?? [], file, file.file.name, metaEl);
if (fireLink && (!shiftClickForFileDownload || (shiftClickForFileDownload && event.shiftKey))) {
el.click();
if (otFile) {metaEl.click(); }
}
return [el, metaEl];
}
async function attachDragDownloadBlob(event, id) {
const renderAsAif = targetContainer === 'a';
let file = getFileById(id);
let blobLink = {
href: '',
setAttribute: function(a, fname) { this.fileName = fname; }
};
let blobData = await setWavLink(file, blobLink, renderAsAif, true);
event.dataTransfer.setData('DownloadURL', `audio/x-wav:${blobLink.fileName}:${blobLink.href}`);
}
function toggleSelectedActionsList() {
const actionListEl = document.querySelector(
`.selected-actions-button-list`);
actionListEl.style.display = actionListEl.style.display === 'none'
? 'flex'
: 'none';
}
function removeSelected() {
metaFiles.removeSelected();
files.filter(f => f.meta.checked).forEach(f => remove(f.meta.id));
files = files.filter(f => !f.meta.checked);
unsorted = unsorted.filter(id => files.find(f => f.meta.id === id));
importOrder = importOrder.filter(id => unsorted.includes(id));
setCountValues();
if (files.length === 0 || unsorted.length === 0) {
files.forEach(f => f.buffer ? delete f.buffer : false);
files = [];
unsorted = [];
importOrder = [];
}
storeState();
renderList();
}
function normalizeSelected(event) {
files.forEach(f => f.meta.checked ? f.source?.stop() : '');
document.getElementById('loadingText').textContent = 'Processing';
document.body.classList.add('loading');
setTimeout(() => {
const selected = files.filter(f => f.meta.checked);
selected.forEach((f, idx) => {
editor.normalize(event, f, false);
if (idx === selected.length - 1) {
document.body.classList.remove('loading');
}
});
renderList();
}, 250);
}
function trimRightSelected(event) {
files.forEach(f => f.meta.checked ? f.source?.stop() : '');
document.getElementById('loadingText').textContent = 'Processing';
document.body.classList.add('loading');
setTimeout(() => {
const selected = files.filter(f => f.meta.checked);
selected.forEach((f, idx) => {
editor.trimRight(event, f, false);
if (idx === selected.length - 1) {
document.body.classList.remove('loading');
}
});
renderList();
}, 250);
}
function condenseSelected(event) {
files.forEach(f => f.meta.checked ? f.source?.stop() : '');
let lower = prompt(
`Please enter the LOWER threshold (decimal value between 0 and 1)...`);
if (lower && !isNaN(lower)) {
lower = Math.abs(+lower);
}
let upper = prompt(
`Please enter the UPPER threshold (decimal value between 0 and 1)...`);
if (upper && !isNaN(upper)) {
upper = Math.abs(+upper);
}
document.getElementById('loadingText').textContent = 'Processing';
document.body.classList.add('loading');
setTimeout(() => {
const selected = files.filter(f => f.meta.checked);
selected.forEach((f, idx) => {
editor.thresholdCondense(event, f, false, +lower, +upper);
if (idx === selected.length - 1) {
document.body.classList.remove('loading');
}
});
renderList();
}, 250);
}
function roughStretchSelected(event) {
files.forEach(f => f.meta.checked ? f.source?.stop() : '');
document.getElementById('loadingText').textContent = 'Processing';
document.body.classList.add('loading');
setTimeout(() => {
const selected = files.filter(f => f.meta.checked);
selected.forEach((f, idx) => {
editor.roughStretch(event, f, false);
if (idx === selected.length - 1) {
document.body.classList.remove('loading');
}
});
renderList();
}, 250);
}
function shortenNameSelected(event, restore = false) {
files.forEach(f => f.meta.checked ? f.source?.stop() : '');
document.getElementById('loadingText').textContent = 'Processing';
document.body.classList.add('loading');
setTimeout(() => {
const selected = files.filter(f => f.meta.checked);
let nameList = {};
let nameListArr = [];
if (!restore) {
nameList = {};
nameListArr = files.map(f => {
nameList[f.meta.id] = {
path: f.file.path.split('/').
map(p => p.substring(0, 12)).
join('/'),
name: f.file.name.substring(0, 12) +
(f.meta.note ? `-${f.meta.note}` : '')
};
nameList[f.meta.id].joined = `${nameList[f.meta.id].path}${nameList[f.meta.id].name}`;
return {name: nameList[f.meta.id].joined, available: true};
});
}
selected.forEach((f, idx) => {
f.file.origPath = f.file.origPath || f.file.path;
f.file.origName = f.file.origName || f.file.name;
if (restore) {
f.file.path = f.file.origPath;
f.file.name = f.file.origName;
} else {
const sn = nameList[f.meta.id];
const names = nameListArr.filter(
n => n.name === sn.joined && n.available);
f.file.path = sn.path;
f.file.name = names.length === 1 ? sn.name : sn.name +
`-${names.length}`;
names[0].available = false;
}
if (idx === selected.length - 1) {
document.body.classList.remove('loading');
}
});
renderList();
}, 250);
}
function sanitizeNameSelected(event, restore = false) {
const xyRxp = str =>
str.replaceAll(/[\[\{<]/g, '(').
replaceAll(/[\]\}>]/g, ')').
replaceAll(/[^a-zA-Z0-9\s#\-\(\)]/g, '-').
replaceAll(/-{3,}/g, '-');
files.forEach(f => f.meta.checked ? f.source?.stop() : '');
document.getElementById('loadingText').textContent = 'Processing';
document.body.classList.add('loading');