[MPlayer-users] OT maybe, Struggling to conactenate MP4 files

Nick Batt nick at sonicstate.com
Wed Jan 26 12:41:24 CET 2011


Thanks Tom, I'm joining two mp4 files, I thought FFmpeg doesnt support those
native, I will take a look.

Nick

On 26 January 2011 11:38, Tom Evans <tevans.uk at googlemail.com> wrote:

> On Wed, Jan 26, 2011 at 11:17 AM, Nick Batt <nick at sonicstate.com> wrote:
> > Hi, first of all - helloI'm trying to streamline a workflow and ad a top
> and
> > tail to my MP4 files.
> > However using MP4Box, which appears to be the only game in town, I get
> new
> > tracks added no matter what sort of switches I add to -add or -cat.
> > Result always appears to be both video and audio streams but on separate
> > tracks.
> >
> > Cant seem to figure out any way to acheive this. Both files are h264
> 25fps
> > 640x360 AAC 48000 created from the same transcoding process.
> >
> > I'm hoping to be able to automate this process, but fell at the first.
> >
> > Running this on an EC2 instance Centos 5.X
> >
> > Many thanks
>
> I'd use ffmpeg (its an FAQ: http://www.ffmpeg.org/faq.html#TOC27 ).
> You want the complex example, joining two flv files with named pipes.
>
> Cheers
>
> Tom
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