mpeg2 demux output pin buffer size

Hi All,

I am decoding mpeg2 transport stream. My mpeg2 decoder expects one
frame worth of data at once for decoding.But mpeg2 demux filter
connects with 8192 bytes of data and hence it breaks any output it
gives in to max size 8192 or smaller.

For frames worth 0.15MB of data to be decoded I am buffering and
feeding it to decoder. Is there any alternative to buffering ? My a/v
sync goes for a toss because of this buffering involved.

What is the best way to identify a MPEG2 frames beginning and end? At
present I am parsing through the data looking for picture start code's
occurrence i.e. 0x00010000. Based on two such occurrences I buffer and
feed data to the decoder. Is my assumption right that every frame has
a picture start code?

Any input would be great help.

Regards,
Dev
.

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