[FFmpeg-user] merging or joining videos

[Rick C.]

On Aug 3, 2011, at 5:25 PM, Venkatasubramaniam R wrote:

> Hi,
> 
> Once I had used MP4Box package in Linux for concatenating smaller mp4 files
> to get a big one. It worked pretty well, but I had not tried it on AVI
> files.
> 
> May be you could try MP4Box (which comes as a command line tool when
> installing gpac package : http://gpac.wp.institut-telecom.fr/mp4box/).
> 
> All the best,
> -Venkat.
> 
> On Wed, Aug 3, 2011 at 10:51 AM, Peter B. <pb at das-werkstatt.com> wrote:
> 
>> Rick C. wrote:
>>> I'm familiar with cat but I believe this only works on .mpg and I would
>> like a way to work on many files such as .avi or .mp4.
>> I'm not 100% sure, but I think it also depends on which codec you're
>> using (.avi is just the container).
>> 
>>> I've also read the instructions in the documentation but I was thinking
>> there's a more updated way than having to convert everything to .mpg first?
>> Anyways, if someone could point me in the right direction that would be
>> great.
>>> 
>> I've also had the same problem: All documentation I found mentioned
>> MPEGs and "cat" or yuv2mpeg for piping things together :( This doesn't
>> work at all for AVI files.
>> 
>> I found a solution that even works bitproof for audio and video, by
>> using "mencoder" to merge the videos back together. We're using this
>> method daily in the Austrian national video archive (=Österreichische
>> Mediathek [1][2]) - but only with intraframe codecs (FFv1 / DV) and PCM
>> for audio. Additionally, it's also possible to merge *and* transcode the
>> files in one step! :)
>> Details can be found in a forum post on "das-werkstatt.com" [3].
>> 
>> Additionally, there's an article on "linuxreview.org" about merging
>> video files [4] - but I must say that I haven't had a good experience
>> with "avimerge".
>> 
>> Good luck!
>> Peter B.
>> 
>> == References:
>> [1] http://www.mediathek.at/
>> [2] http://sourceforge.net/projects/dva-profession/
>> [3] http://www.das-werkstatt.com/forum/werkstatt/viewtopic.php?f=7&t=1793
>> [4] http://en.linuxreviews.org/HOWTO_Merge_video_files
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>> 

Great thanks again I'll be working on this.  I know converting to .mpg first will work but that makes the process longer and than I would have to double convert...