121 lines
2.9 KiB
JavaScript
Executable file
121 lines
2.9 KiB
JavaScript
Executable file
function npt2ms(npt) {
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var ms = 0.0
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npt = String(npt);
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var p = npt.split(':')
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for(i=0;i<p.length;i++)
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ms = ms * 60 + parseFloat(p[i])
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return ms * 1000;
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}
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function ms2npt(ms) {
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var it, ss, mm, hh, npt;
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var it = parseInt(ms / 1000)
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ms = ms - it * 1000;
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if (ms.toString().length > 3) {
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ms = ms.toString().substring(0,3);
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}
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ss = it % 60;
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mm = ((it - ss) / 60) % 60;
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hh = ((it - (mm * 60) - ss) / 3600) % 60;
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npt = hh+':'+strpad(mm.toString(), '0', 2, 'left')
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npt += ':'+strpad(ss.toString(), '0', 2, 'left')
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npt += '.'+strpad(ms.toString(), '0', 3, 'left')
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return npt;
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}
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function ms2frames(ms, fmt) {
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if (!fmt) var fmt = "PAL";
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var npt = ms2npt(ms);
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var dotpos = npt.lastIndexOf(".");
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var mmStr = npt.substring(dotpos + 1, npt.length);
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var mmInt = parseInt(mmStr);
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if (fmt == 'PAL') {
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var frames = parseInt((mmInt / 1000) * 24);
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} else if (fmt == "NTSC") {
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var frames = parseInt((mmInt / 1000) * 29.97);
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}
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var framesTc = '';
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var joinToken = ":";
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var framesTc = npt.substring(0, dotpos ) + joinToken + frames;
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return framesTc;
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}
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function ms2time(ms) {
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var npt = ms2npt(ms)
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return npt.substr(npt.length-9, npt.length-6);
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}
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function framesToNpt(timeCode) {
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var frames = timeCode.substring(9, 11);
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var ms = parseInt(frames) / 25 * 1000;
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var ms = String(ms);
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var ms = strpad(ms, '0', 3, 'right');
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var timeCodeNpt = timeCode.substring(0,8) + "." + ms;
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return timeCodeNpt;
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}
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function strpad(str, pad, len, dir) {
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while (str.length < len) {
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if (dir == 'left')
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str = pad + str;
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else if (dir == 'right')
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str = str + pad;
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}
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return str;
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}
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function isValidTimecode(tc) {
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var tc = $.trim(tc);
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var nptRegex = new RegExp("^[0-9][0-9]?\:[0-9][0-9]\:[0-9][0-9][\.|\,|\:][0-9]?[0-9]?[0-9]?$");
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return nptRegex.test(tc);to
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}
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//where filters is a JSON object, for eg. {'Video Files': '*.dv;*.ogg;*.ogv;*.ogx;*.avi;*.mov;*.mp4;*.mpeg;*.mpg;*.vob'}
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function selectFile(filters, callback) {
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alert('select file');
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//fixme. select file
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callback && callback(fp);
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}
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function mozillaSaveFile(filePath,content)
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{
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return null;
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}
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function mozillaSaveAs() {
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return false;
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}
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// Returns null if it can't do it, false if there's an error, or a string of the content if successful
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function mozillaLoadFile(filePath)
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{
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return null;
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}
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function checkFileExists(filePath) {
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if (mozillaLoadFile(filePath)) {
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return true;
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} else {
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return false;
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}
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}
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function getFileNameExt(filename) {
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var dotPos = filename.lastIndexOf(".");
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var ext = filename.substring(dotPos + 1, filename.length);
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return ext;
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}
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function getFileNameSansExt(filename) {
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var dotPos = filename.lastIndexOf(".");
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if (dotPos != '-1') {
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var filenameSansExt = filename.substring(0,dotPos);
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} else {
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var filenameSansExt = filename;
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}
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return filenameSansExt;
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}
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