[FFmpeg-user] image Overlay

[Lorenz Martens]

Ah ok, sorry misunderstood that 
never the less thanks ...
- Lorenz

Am 04.01.2012 um 13:58 schrieb Alexandre FERRIEUX - RD/SIRP/LAN:

> On 04/01/2012 13:03, Lorenz Martens wrote:
>> Thanks for the quick resopnse guys,
>> 
>> @Alex: Could you please give a -vf syntax I'm not sure how to convert your liberal syntax to get it to work.
> 
> Nope, it is not implemented, it is an idea for future directions, sorry :}
> 
> -Alex
> 
>> thanks
>> Lorenz
>> 
>>> A possible alternative to these extensions:
>>> 
>>>   - allow frames to have a transparent color, or a mask bitmap, usable for padding.
>>> 
>>>   - create a "sequence" video source that would internally concatenate the decoded sources
>>> 
>>> Then, the example becomes:
>>> 
>>>   - Assume S is the original source, OV1 and OV2 the two short sequences
>>> 
>>>   - let t1, t2, t3 be the durations of the holes outside OV1+OV2
>>> 
>>> Result is then (liberal syntax, not that of vf, for readability)
>>> 
>>>  Overlay(
>>>    S,
>>>    Seq(
>>>      Color(transp,t1),
>>>      OffPad(OV1,..,transp),
>>>      Color(transp,t2),
>>>      OffPad(OV2,..,transp),
>>>      Color(transp,t3)
>>>    )
>>>  )
>>> 
>>> Of course that's not the way current vfs are designed, but it is more modular. Please comment/destroy.
>>> 
>>> -Alex
>>> _______________________________________________
>>> ffmpeg-user mailing list
>>> ffmpeg-user at ffmpeg.org
>>> http://ffmpeg.org/mailman/listinfo/ffmpeg-user
>> 
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>> 
> 
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