[vdr] aspect ratio/videolength in vdr-1.7.10

Klaus Schmidinger Klaus.Schmidinger at tvdr.de
Sun Dec 13 13:22:00 CET 2009


On 10.12.2009 09:41, Christian Tramnitz wrote:
> Klaus Schmidinger schrieb:
>> You can take the size of the index file, divide it by 8 and
>> you get the number of frames in the recording. The info file
>> tells you the number of frames per second (at least with newer
>> TS recordings).
> 
> I don't think this calculation is always accurate (i.e. for h264/HD
> recordings) right now.
> For a 1080i recording the info file contains "F 25" (shouldn't it be 50
> frames for 1080i50?)
> 
> Example (recorded with vdr 1.7.10):
>  # ls -la
> insgesamt 7219260
> drwxr-xr-x 2 vdr  vdr          59 28. Nov 15:04 .
> drwxr-xr-x 3 vdr  vdr          38 22. Nov 20:12 ..
> -rw-r--r-- 1 vdr  vdr  7389603764 22. Nov 22:13 00001.ts
> -rw-r--r-- 1 vdr  vdr     2901984 22. Nov 22:13 index
> -rw-r--r-- 1 vdr  vdr         681 22. Nov 20:12 info
> 
> # grep "^F\ " info
> F 25
> 
> 
> 2901984 (size of the index file) / 8 = 362748 (frames)
> 362748 / 25 (framelength according to info) = 241min 49sec (wrong!)
> 362748 / 50 (real framelength) = 120min 54sec (actual length)

Can you give me link to a one minute recording where I can see this?

Klaus



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