State changes in playback starting time

[anisci]

Hi, All

When I start to play a video file using gstreamer, a lot of state changes occur frequently between STATE_PLAYING and STATE_PAUSED.

Of course, a player works well, however I wonder why these state changes occur.

Can anyone answer to me?



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[Wim Taymans]

On Fri, 2008-02-29 at 11:01 +0900, anisci wrote:
> Hi, All
>
> When I start to play a video file using gstreamer, a lot of state
> changes occur frequently between STATE_PLAYING and STATE_PAUSED.
>
> Of course, a player works well, however I wonder why these state
> changes occur.

State changes between PAUSED and PLAYING are usually because of a
flushing seek. A seek will set the pipeline state back to PAUSED in
order to restore synchronisation after the seek. There is more info
about the state changes in the design docs.

Wim

>
> Can anyone answer to me?
>
>
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[Stefan Sauer]

hi,

Quoting anisci <[hidden email]>:

> Hi, All
>
> When I start to play a video file using gstreamer, a lot of state changes
> occur frequently between STATE_PLAYING and STATE_PAUSED.
>
> Of course, a player works well, however I wonder why these state changes
> occur.
>
> Can anyone answer to me?
>

Also note that there is a state-change for each element. Look at the  
message source and filter to get only those for the pipline if you  
like to know abou overall ones.

Stefan


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