1 files changed, 35 insertions, 0 deletions
diff --git a/app/client/audio/pix2wav.js b/app/client/audio/pix2wav.js
new file mode 100644
index 0000000..ccd36be
--- /dev/null
+++ b/app/client/audio/pix2wav.js
@@ -0,0 +1,35 @@
+function render(pcm, count, zip){
+  const fft = spectrum.toSpectrum(pcm, sr)
+  // console.log('render', fft)
+  // const pcm_rev = pcm.slice().reverse()
+  // const spec_rev = spectrum.toSpectrum(pcm_rev, spec.sr)
+  draw.clear()
+  const { canvas, imageData } = draw.raw_spectrum(fft, 0, 256, 0, 256, _r, _i)
+  const dataURL = canvas.toDataURL("image/png")
+  if (zip) {
+    const fn = sprintf('frame_%05d.png', count)
+    zip.file(fn, dataURL.split(',')[1], {base64: true})
+  }
+  return { fft, canvas, imageData }
+}
+function play(i) {
+  // console.log('play', i)
+  last_i = i
+  let player = players[clamp(i, 0, players.length)]
+  // const { canvas, imageData } = draw.raw_spectrum(fft, 0, 256, 0, 256, 1, 1)
+  // console.log(_r, _i)
+  // const { canvas, imageData } = draw.raw_spectrum(player.fft, 0, 256, 0, 256, _r, _i)
+  const new_fft = spectrum.fromImageData(player.imageData, 44100, _r, _i)
+  // gallery.innerHTML = ''
+
+  // console.log(player.fft.data, new_fft.data)
+  const buf = spectrum.fromSpectrum(new_fft)
+  const _p = new Tone.Player(buf)
+  _p.connect(output)
+  _p.start(Tone.now())
+  redraw(new_fft)
+}
+function redraw(new_fft){
+  const { canvas, imageData } = draw.raw_spectrum(new_fft, 0, 256, 0, 256, _r, _i)
+}
+