lucianoandClaude Opus 4.8
0c2f2b8190
The packaged app doesn't bundle ffmpeg, so on Macs without a system ffmpeg the waveform stayed blank. Compute peaks by reading the file bytes (new file:read IPC) and decoding with Web Audio's decodeAudioData in a low-rate AudioContext; ffmpeg in main remains only as a fallback. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
41 lines
2.0 KiB
JavaScript
41 lines
2.0 KiB
JavaScript
const { contextBridge, ipcRenderer, webUtils } = require('electron');
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// Each window is launched with --role=control or --role=output.
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const roleArg = process.argv.find(a => a.startsWith('--role='));
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const role = roleArg ? roleArg.split('=')[1] : 'control';
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contextBridge.exposeInMainWorld('djv', {
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role,
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// Control -> Output commands.
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send: (msg) => ipcRenderer.send('ctl', msg),
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onControl: (cb) => ipcRenderer.on('ctl', (_e, m) => cb(m)),
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// Output -> Control reports.
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report: (msg) => ipcRenderer.send('rpt', msg),
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onReport: (cb) => ipcRenderer.on('rpt', (_e, m) => cb(m)),
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// Display management (control window).
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// Bundled svg/ folder, read in the main process, as same-origin data URLs.
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listBuiltinSvgs: () => ipcRenderer.invoke('svg:listBuiltin'),
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// Resolve a dropped/picked File to its absolute filesystem path.
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pathForFile: (file) => {
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try { return webUtils.getPathForFile(file); }
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catch (e) { return file && file.path ? file.path : null; }
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},
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listDisplays: () => ipcRenderer.invoke('displays:list'),
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moveOutputTo: (id) => ipcRenderer.invoke('output:moveTo', id),
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toggleOutputFullscreen: () => ipcRenderer.invoke('output:toggleFullscreen'),
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// Recording (output streams chunks to main, which muxes/transcodes to MP4).
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recStart: () => ipcRenderer.invoke('rec:start'),
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recChunk: (bytes) => ipcRenderer.send('rec:chunk', bytes),
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recStop: (opts) => ipcRenderer.invoke('rec:stop', opts),
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openRecordingsFolder: () => ipcRenderer.invoke('rec:openFolder'),
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// Pad bank persistence.
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loadPads: () => ipcRenderer.invoke('pads:load'),
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savePads: (data) => ipcRenderer.invoke('pads:save', data),
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loadPlaylist: () => ipcRenderer.invoke('playlist:load'),
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savePlaylist: (data) => ipcRenderer.invoke('playlist:save', data),
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exportPlaylist: (data) => ipcRenderer.invoke('playlist:export', data),
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importPlaylist: () => ipcRenderer.invoke('playlist:import'),
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peaks: (path, buckets) => ipcRenderer.invoke('audio:peaks', path, buckets),
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readFile: (path) => ipcRenderer.invoke('file:read', path)
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});
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