Results 3 issues of Mingqian Yang

``` if (!avt.createAudioEncoder()) { qWarning("Failed to create audio encoder"); return 1; } ``` There will be a problem if we build with the latest ffmpeg for using the deprecated api...

这是什么意思?一个劲的跳出这个。我还以为这个软件是个流氓软件呢!!

Hi, could you possibly write how to use it on readme, or give a demo? Thanks.