I need help on api <gst_parse_launchv>

[Charlie Turner]

On Fri, 2019-08-02 at 08:49 +0000, Yang, Xiaotao (X.) wrote:
> Hi:
>                I have a question on gstreamer api<
> gst_parse_launchv>,
> Why I start gstreamer to play a mp4 file at the first time, the
> elapsed time for this interface is 500ms?
> But at the following time I start it again(for the second time, third
> time, and so on) , the elapsed time is just less than 200ms, what’s
> the reason?
>                 I ‘ll appreciate it very much if you could help me.

gst_parse_launchv gives you a pipeline from a textual description, I
don't understand how you go from from this to "elapsed time" in your
problem? Are you performing position queries? Do you mean the duration?
I'm not sure. Can you provide the code you are using? Maybe then
someone can help understand your issue.

Kind regards,
  Charlie.

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