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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,70 @@ | ||
| <!doctype html> | ||
| <html> | ||
| <head> | ||
| <meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"> | ||
| <title>Web MIDI test</title> | ||
| <script> | ||
| var midi=null; | ||
| var inputs=null; | ||
| var outputs=null; | ||
| var input=null; | ||
| var output=null; | ||
| var log=null; | ||
|
|
||
| function runTest() { | ||
| if (!log) | ||
| log = document.getElementById("log"); | ||
| log.innerText = "Starting up MIDI...\n"; | ||
| navigator.requestMIDIAccess().then( success, failure ); | ||
| } | ||
|
|
||
| function handleMIDIMessage( ev ) { | ||
| // testing - just reflect. | ||
| log.innerText += "Message: " + ev.data.length + " bytes, timestamp: " + ev.timestamp; | ||
| if (ev.data.length == 3) | ||
| log.innerText += " 0x" + ev.data[0].toString(16) + " 0x" + ev.data[1].toString(16) + " 0x" + ev.data[2].toString(16); | ||
| if (output) { | ||
| output.send( ev.data ); | ||
| log.innerText += " reflected to output '" + output.name + "'"; | ||
| } | ||
| log.innerText += "\n"; | ||
| } | ||
|
|
||
| function success( midiAccess ) { | ||
| log.innerText += "MIDI ready!\n"; | ||
| midi = midiAccess; | ||
|
|
||
| inputs = midi.inputs(); | ||
| log.innerText += inputs.length+" inputs:\n"; | ||
| for (var i=0;i<inputs.length;i++) | ||
| log.innerText += i + ": " + inputs[i].name + "\n"; | ||
|
|
||
| if (inputs.length>0) { | ||
| input = inputs[0]; | ||
| input.onmidimessage = handleMIDIMessage; | ||
| log.innerText += "Hooked up first input: " + input.name + ".\n"; | ||
| } | ||
|
|
||
| outputs = midi.outputs(); | ||
| log.innerText += outputs.length+" outputs:\n"; | ||
| for (var i=0;i<outputs.length;i++) | ||
| log.innerText += i + ": " + outputs[i].name + "\n"; | ||
|
|
||
| if (outputs.length) { | ||
| output = outputs[0]; | ||
| } | ||
| } | ||
|
|
||
| function failure( error ) { | ||
| alert( "Failed to initialize MIDI - " + ((error.code==1) ? "permission denied" : ("error code " + error.code)) ); | ||
| } | ||
| </script> | ||
| </head> | ||
|
|
||
| <body> | ||
| <button onclick="runTest();">Test MIDI!</button> | ||
| <pre id="log"> | ||
| </pre> | ||
| <div id="MIDIPlugin" style="position:absolute; visibility:hidden"></div> | ||
| </body> | ||
| </html> |