how to get individual decoded video data from video file(include audio) with "appsink"

[jojo]

Hi, 

I use GSTREAMER SDK(2013.6 Congo).

use video pipeline: filesrc location="/sdcard/jojo/transformers3-tlr2_h1080p-h264.mp4" name="appsrc" ! decodebin2 ! appsink name="appsink"

but i can not get any video decoded buffer from "GstAppSinkCallbacks.new_buffer" :(

also i try to use this pipeline : filesrc location="/sdcard/jojo/transformers3-tlr2_h1080p-h264.mp4" name="appsrc" ! decodebin2 ! video/x-raw-yuv ! appsink name="appsink" 

Any suggestion ?

Thanks,

- Jojo

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