[gst-devel] _seek() & query_position() problem - a gstreamer bug?

Sharath Mudalamane sharath_m at mindtree.com
Mon Dec 24 16:00:03 CET 2007

Hello all,

I am developing a media player on Nokia 770. I am facing problems in
gst_element_seek() during playback ( mp3,wav,..).



After playback start, if I seek() within the ALREADY played back range (start
- current position) then seek() is fine.

If I seek() outside the ALREADY played back range (in other words, farthest
played position to end position), I observe that the audio goes off and
doesn't come back UNTIL the actual playback position reaches the seeked
position. Also, I observed that the gst_element_query_position() doesn't
return the seeked position.


1 . I start playback of a 2 min stream. After 5 secs, I seek to 30 sec, now
audio goes off. Now, gst_element_query_position() is still returning me the
current playback time. The audio comes back after exactly 25 secs.

Now, if I seek anywhere between 0 to current time seek works fine with
gst_element_query_position() returning the correct position.

2. I start playback of a 2min stream. I play for 90 sec. seek() to 30. this
is ok! I seek() to 60. This is also ok! But, now if I seek() to 100 sec ( >
90 sec). Audio goes off for exactly for 40 secs ( 100 - 60 , ie., seeked time
= 100, current time = 60).



Gst_element_seek() always returns TRUE. 

No assertions or hang-ups.

I see it only Nokia 770. Not on a linux PC.



Is this the MIPS problem on Nokia 770?


 Thanks and regards,

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