[MEncoder-users] Scrubbable Mpeg-2

[Nicolas Hesler]

Nico Sabbi wrote:
> Nicolas Hesler wrote:
>
>   
>> it's a known limitation of mpeg files (that lack informations like duration
>>  
>>
>>     
>>> and a seeking index), thus players have to invent a way to seek/scrub
>>> to the desired temporal position within the stream.
>>> BTW, 1 or 2 months ago I fixed a bug in muxer_mpeg that would cause
>>> files generated with format=mpeg2 or format=mpeg1 to have an incorrect
>>> initial SCR (breaking WMP more than it is by its own design)
>>>
>>>  
>>>    
>>>
>>>       
>> Am I to assume then, that avidemux is able to to put such information 
>> into the mpeg-2 file, whereas mencoder cannot?
>>  
>>
>>     
> avidemux generates an additional file called file.mpg.idx with
> all the information it needs to have a precise time-map
>  
>   
I know this is a foolish question, but could a time-map not be created 
on the fly based on the frame rate and frame number?