frame loss using avdec_flac

[Weipeng HE]

Hi all,

I found a strange problem when I play flac files using avdec_flac, where 
there is always some part missing (frame loss). Does anyone have any 
idea about this?

I've tried on two different machines (Ubuntu 14.04 and Debian). Both 
have gstreamer 1.8.1 compiled from source. A sample file is in the 
attachment. And I tried with:

$ gst-launch-1.0 -t filesrc location=sample.flac ! flacparse ! 
avdec_flac ! audioconvert ! rgvolume ! autoaudiosink

It shows that:
   Execution ended after 0:00:06.491973718

but if I use flacenc instead of avdec_flac, it shows:
   Execution ended after 0:00:07.932173391

which means that there is 1.5 second missing if using avdec_flac.

Thanks in advance.

Best,
Weipeng
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