[FFmpeg-user] Cat 2 mp4 files?

. peace at AleksandrSolzhenitsyn.net
Fri Dec 7 02:39:38 CET 2012


On 12/06/2012 11:52 AM, Tom Evans wrote:
> On Thu, Dec 6, 2012 at 3:07 PM, . <peace at aleksandrsolzhenitsyn.net> wrote:
>> Here's the code I used;
>>
>> ffmpeg concat: tg1.mp4 tg2.mp4 WOOF.mp4
>>
>> The Error message;
>>
>> [NULL @ 0x97093e0] Unable to find a suitable output format for 'concat:'
>> concat:: Invalid argument
>>
>>
>> I also tried this;
>>
>> ffmpeg concat: tg1.mp4|tg2.mp4 WOOF.mp4
>>
>> That produced the error;
>>
>> [NULL @ 0x9c943e0] Unable to find a suitable output format for 'concat:'
>> concat:: Invalid argument
>>
>>
> So, using the concat input filter. The example specified there looks like this:
>
> ffplay concat:split1.mpeg\|split2.mpeg\|split3.mpeg
>
> Yours looked like this:
>
> ffmpeg concat: tg1.mp4|tg2.mp4 WOOF.mp4
>
> Spot the difference(s).
>
> Cheers
>
> Tom
Yes, I do. However, what does this mean? "Note that you may need to
escape the character "|" which is special for many shells."

Found at- http://ffmpeg.org/ffmpeg.html#concat

What does ffplay have to do with ffmpeg?

Using the command/code of- ffmpeg concat: tg1.mp4\| tg2.mp4\| WOOF.mp4

I get the following error message- [NULL @ 0x96e33e0] Unable to find a
suitable output format for 'concat:'
concat:: Invalid argument



Any ideas?




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