[Live-devel] Problems "seeking" in MPEG2 TS?

[Glen Gray]

I'll try and test this scenario later too. Not sure I've tested seeking.
--
Glen Gray
slaine at slaine.org




On 23 Jan 2008, at 22:12, Ross Finlayson wrote:

>> I'm using the live555MediaServer application to stream an mpeg2 ts  
>> to a
>> VLC client on linux.  I used the MPEG2TransportStreamIndexer app to
>> create a .tsx file to go along with the .ts file.
>>
>> Playing the stream at a normal scale of 1.0 works just fine, as does
>> playing it in fast forward or fast reverse, using other settings in  
>> the
>> scale header.
>>
>> The problem comes when I attempt to "seek" in the stream to a  
>> specific
>> time, or attempt to use the --start-time option to VLC to start at a
>> point other than the beginning.
>
> Instead of usng VLC, could you try running "openRTSP"
> <http://www.live555.com/openRTSP/> with the "-s 15" option.  Let us
> know if that generates a correct output Transport Stream file (i.e.,
> properly starting at the 15s mark).
>
>
>>  The VLC implementation of the
>> start-time option results in a PLAY request being sent with "Range:
>> npt=0.000-" followed almost immediately by a second PLAY request with
>> "Range: npt=<new-time>-".
>
> This seems like a bug in VLC.  What version of VLC are you using?
> (Although we do not support VLC on this mailing list, I will forward
> this information to the VLC developers.)
> -- 
>
> Ross Finlayson
> Live Networks, Inc.
> http://www.live555.com/
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