Re: Recording TV: broken indexes, the endpos flag, and the recording status line

Mark James wrote:

> Nico Sabbi wrote:
>
>> because when generating an avi file with -ovc copy mencoder
>> doesn't analyze the frame type (I frame or not), so it doesn't set
>> the keyframe flag on any video chunk, hence the index doesn't contain
>> any seekable point
>
>
> OK, does that mean dumpstream adds information to the written transport
> stream that mencoder copy does not;

no

> or is it that mencoder copy strips
> something from the transport stream that dumpstream does not?

mencoder saving as avi doesn't do all that it should do

>
> That is, is the raw transport stream seekable,

yes

>  or is dumpstream fixing it in a way that mencoder copy does not?

dumpstream just dumps the stream

>
> Your reply seems to indicate it's something to do with the default avi
> output of mencoder.  Is the mpg file output by "format=dvd:tsaf" the same
> as that produced by dumpstream,

no, it's different

> or is it different, requiring some extra
> procesing load relative to a dumpstream?

yes