Is it possible to do Audio and Video synchronization for parallel pipelines

[Manoj89]

Hi,
    I am having usecase where I get the demuxed H.264 frames and AAC frames.
I have created two element links in a single top-level bin called pipeline
like this

videoappsrc->h264parser->avdec_h264->videoconvert->ximagesink
audioappsrc->aacparser->faad->audioconvert->alsasink

I get the audio and video playback without the AV sync. I am using non-live
source which gives me demuxed audio and video frames.Also I get pts of the
audio and video frame from the application thread.Using  both appsrc in push
mode where "need-data" and "enough-data" signals control the bytes queued in
appsrc.Is there
any possibility of syncing audio and video in above case.Can anybody give me
a solution where the demuxed audio and video stream playback happens in
sync?  



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