I'm sorry, my English is not good.The error information in the appendix.For help -------------- next part -------------- A non-text attachment was scrubbed... Name: rake failed.rtf Type: application/octet-stream Size: 10037 bytes Desc: not available URL: <http://ffmpeg.org/pipermail/ffmpeg-user/attachments/20151209/5b69d425/attachment.obj>