[vdr] Recordings starting with B-Frame?

2010-12-28 Thread Tobias Grimm
I don't known how much I can trust avidemux, but it tells me, that my
HD-VDR recordings (1.7.16) start with a B-Frame. Shouldn't all *.ts
Files start with an I-Frame?

Tobias



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Re: [vdr] Recordings starting with B-Frame?

2010-12-28 Thread Eric Valette

Le 28/12/2010 15:41, Tobias Grimm a écrit :

I don't known how much I can trust avidemux, but it tells me, that my
HD-VDR recordings (1.7.16) start with a B-Frame. Shouldn't all *.ts
Files start with an I-Frame?


There has been some debate about the vdr frame type detection as some 
recording fails because it does not detect I frame.


It would be indeed interestting to know if what VDR thinks is a iframe 
is not.


--eric



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Re: [vdr] Recordings starting with B-Frame?

2010-12-28 Thread Klaus Schmidinger
On 28.12.2010 15:41, Tobias Grimm wrote:
 I don't known how much I can trust avidemux, but it tells me, that my
 HD-VDR recordings (1.7.16) start with a B-Frame. Shouldn't all *.ts
 Files start with an I-Frame?

Yes, they should.
Maybe somebody would like to take a close look at cFrameDetector::Analyze()
to find out whether there's an off-by-one problem when starting a
recording or so.

Klaus

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