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Update midifile.js #19

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Update midifile.js #19

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77850e2
Update midifile.js
Sep 24, 2015
30ff770
Update midifile.js
Sep 24, 2015
4c68480
Update midifile.js
Sep 24, 2015
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4 changes: 4 additions & 0 deletions midifile.js
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Original file line number Diff line number Diff line change
Expand Up @@ -18,6 +18,7 @@ function MidiFile(data) {
function readEvent(stream) {
var event = {};
event.deltaTime = stream.readVarInt();

var eventTypeByte = stream.readInt8();
if ((eventTypeByte & 0xf0) == 0xf0) {
/* system / meta event */
Expand Down Expand Up @@ -224,8 +225,11 @@ function MidiFile(data) {
throw "Unexpected chunk - expected MTrk, got "+ trackChunk.id;
}
var trackStream = Stream(trackChunk.data);
var currentPlayTime = 0;
while (!trackStream.eof()) {
var event = readEvent(trackStream);
event.playTime = currentPlayTime;
currentPlayTime += event.deltaTime || 0;
tracks[i].push(event);
//console.log(event);
}
Expand Down