Getting played time in RTSP video

[Stefan Sauer]

On 01/24/2012 05:24 PM, Bruno Gonzalez wrote:
> Thanks for the input.
>
> Unfortunately, I still don't have any hints as to how to get the
> play time in the original source file.

Use queries to get the duration and current playback position

Stefan.
>
> Doing back-of-the-envelope calculations on the client is not
> an option, I need the actual playing time, with a precision of cents
> of second.
>
> Any idea?
>
> On Tue, Jan 24, 2012 at 16:08, Stefan Sauer <ensonic at hora-obscura.de
> <mailto:ensonic at hora-obscura.de>> wrote:
>
>     On 01/24/2012 03:49 PM, Bruno Gonzalez wrote:
>>     Hi,
>>
>>     I have a server-client video streaming using gstreamer and RTP.
>>     So basically:
>>     [source storage] --> [server] ---------> [client] --> [frames
>>     rendered
>>     on screen]
>>
>>     Is there any way to know, for each rendered frame, what was the
>>     original playing time in the video source of the server?
>>
>>     For example.
>>      - At 10 fps, after 30 seconds of playing, the "playing time"
>>     would be
>>     300.0 seconds.
>>      - But if the network is slow, the playing time could very well be
>>     only 276.4 seconds.
>>      - Or maybe some frames could be lost if using UDP.
>>      - Also, if the source storage has variable framerate, I cannot use
>>     "10fps" or any other average fps for any calculations.
>
>     video is synchronized to the clock. That is after 30 sec of
>     playing time the video is more or less at 30s. If the network is
>     slow, it is likely that some frames have been skipped.
>
>     Stefan
>
>>
>>     How could this be achieved?
>>
>>     Thanks!
>>
>>     -- 
>>     Saludos,
>>          Bruno González
>>
>>     _______________________________________________
>>     Jabber: stenyak AT gmail.com <http://gmail.com>
>>     http://www.stenyak.com
>>
>>
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>
>
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>
>
>
> -- 
> Saludos,
>      Bruno González
>
> _______________________________________________
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> http://www.stenyak.com
>
>
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