v3.17 * updated libFLAC to version 1.2.1 * added a flush after every log line to help GUIs * "eac3to some.mpls" now also works if the stream files aren't there, anymore * fixed: number of subtitles was not appended to demuxed subtitles' file name *

Qt 中的多媒体播放，底层是使用DirectShowPlayerService，Qt在windows上的多媒体播放功能是使用系统的DirectShow，所以播放视频需要安装DirectShow解码器，LAV Filters就是一款不错的编解码器，包含了LAVAudio.ax, LAVSplitter.ax, LAVVideo.ax以及其依赖的所有动态库，另附了命令行的安装bat脚本，可直接加入自己的代码中进行安装。