Sporadic stall during seeking on Gstreamer 1.10.4 (Debian 9, Ubuntu 17.10)

[Dinesh Iyer]

Hi team,
I just wanted to know if you had an opportunity to look into this issue and
were able to reproduce this with the steps provided. This is kind of a
show-stopper for us. Appreciate any inputs an advance.

Dinesh

On Mon, Apr 2, 2018 at 3:35 PM, Dinesh Iyer <dsi.maillist at gmail.com> wrote:

> Hello Gstreamer developers,
>
>
>
> I would like to report a sporadic stall in gstreamer 1.10.4 (Debian 9) or
> higher versions while reading video files. I have created a standalone
> script, the file and the video file can be found in the following location:
>
> https://drive.google.com/open?id=14Qss_2-EBeRb5k204pcoIz7_AgmR1FRl
>
>
> https://drive.google.com/open?id=15xZ1wcuQBN7pPxU7Ru08hSR7YagUQV6w
>
>
>
> The GDB stack trace from my machine can be found here:
>
> https://drive.google.com/open?id=1M8Srjd1Qp4Y8C8Edepme2lwzzWSpOZM3
>
>
>
> The stall seems to be appearing in gst_element_seek_simple ().
>
>
>
> Here is what I am trying to do in my application:
>
>    1. Create the playbin.
>    2. Set the playbin to PLAYING.
>    3. Seek and read the first frame.
>    4. Seek and read the 41st frame and read 4 more samples (file has a
>    total of 45 frames).
>    5. Seek back to 1st frame. That is where the STALL happens.
>
>
>
> I have put the number of iterations to be 5000 but usually the stall
> appears in around 200-300 iterations.
>
>
>
> Can you please confirm if this is a bug in Gstreamer and if there is a way
> to avoid the stall while reading the file using Gstreamer?
>
>
>
> Thanks!
>
>
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