File: channel_test.html

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csound 1%3A6.18.1%2Bdfsg-4
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<!DOCTYPE html>
<html>
  <head>
    <title>debug @csound/browser</title>
  </head>
  <body>
    <script type="module">
      const url = "/dist/csound.js";

      const testMono = `
      <CsoundSynthesizer>
        <CsOptions>
        -odac
        </CsOptions>
        <CsInstruments>
          0dbfs=1
          nchnls=1

          instr 1
            out oscili(.5, 440) * linen:a(1, 0, p3, 0.1)
          endin
        </CsInstruments>
        <CsScore>
          i1 0 4
        </CsScore>
      </CsoundSynthesizer>
     `;

      const testStereo = `
      <CsoundSynthesizer>
        <CsOptions>
        -odac
        </CsOptions>
        <CsInstruments>
          0dbfs=1
          nchnls=2

          instr 1
            asig = oscili(.5, 440) * linen:a(1, 0, p3, 0.1)
            a0, a1 pan2 asig, line:k(0, p3, 1)
            out(a0, a1)
          endin
        </CsInstruments>
        <CsScore>
          i1 0 4
        </CsScore>
      </CsoundSynthesizer>
     `;

      const runIt = async () => {
        const { Csound } = await import(url);
        const csoundObj = await Csound({
          useWorker: false,
          useSPN: false,
          outputChannelCount: 2
        });

        const compileReturn = await csoundObj.compileCsdText(testMono);
        const startReturn = await csoundObj.start();
        const n = await csoundObj.getNode();
        const ctx = await csoundObj.getAudioContext();
      };

      const triggerEvent = "ontouchstart" in document.documentElement ? "touchend" : "click";
      document.querySelector("#all_tests").addEventListener(triggerEvent, async function () {
        await runIt();
      });
    </script>
    <button id="all_tests">Run All Tests</button>
  </body>
</html>