4GB limit, chunk download, what to use to demux and remux?

[MS]

On 03/08/12 17:22, Andy Bircumshaw wrote:
>
> On 2 August 2012, at 22:58, MS wrote:
>> ... So how do I fix the downloaded chunks? What Linux software do I
>> use to demux my 1st chunk .mp4 file and subsequent chunks .mp4.flv
>> files? And what software do I use to remux them together preferably
>> allowing a little editing to get rid of the 5 min overlaps I've
>> used for the chunks, and fixing the timecode? (If timecode the
>> right expression for the time displayed when playing the video?)
>
> Assuming this is what you actually want to do, I have used mkvmerge
> to combine multiple videos into a single .mkv.
>
> AIUI this has the advantage that the encoded videos are neither
> concatenated or re-encoded - AIUI the mkv format can store multiple
> separate videos with play order instructions and chapter marks.
>
> Email me off-list if you want some example wrapper script.

Thanks aB. I decided on the ffmpeg/avidemux solution because I want to 
give the footage to the friend with whom I attended the fencing. The 
simplest way to do so is on 3 DVDs by splitting my 9.5 GB .mp4 into 3 
sections. Not so easy to do with your .mkv suggestion.

Thanks also for the offer of the example script.

Cheers,

Matt