You call mediaSource.addSourceBuffer(mimeType) to declare what codec format you’ll be feeding the buffer.
spoof(hookedSet, origSet);
，更多细节参见同城约会
Because this is regular Smalltalk code, all standard development tools work out of the box: syntax highlighting, code completion, navigation, and refactorings:
（四）亵渎、否定英雄烈士事迹和精神，或者制作、传播、散布宣扬、美化侵略战争、侵略行为的言论或者图片、音视频等物品，扰乱公共秩序的；
if (n <= 1) return n;