in 2019/lib/mse/msutil.js [55:71]
window.createMimeTypeStr = function(
mimeType, codecs, width, height, framerate, spherical, suffix) {
var mimeTypeStr = mimeType;
if (!!(codecs))
mimeTypeStr += '; codecs="' + codecs + '"';
if (!!(width))
mimeTypeStr += '; width=' + width;
if (!!(height))
mimeTypeStr += '; height=' + height;
if (!!(framerate))
mimeTypeStr += '; framerate=' + framerate;
if (!!(spherical))
mimeTypeStr += '; decode-to-texture=' + spherical;
if (!!(suffix))
mimeTypeStr += '; ' + suffix;
return mimeTypeStr;
};