On Fri, Jun 26, 2009 at 10:07 AM, Mike Melanson <mike at multimedia.cx> wrote: > zhihang wang wrote: > >> Why the framework of ffmpeg should be as follows: >> demutex->decoding->encoding->mutex >> > > It's not; it's: > demuxer -> decoding -> encoding -> muxing Yes. Sorry for my input error. -- Best Regards zhihang wang