[Mp4-tech] mpeg-j problems

[Vidhya Balasubramanian]

Hi All,
   I had mailed earlier in this list about some problems with MPEG-J.
The problem was "i) on the 4... version (MPEG-J) there was only MUX
ii) on the following versions 5... there was MP4Enc. But we couldnt make it
work with MPEG-J.  I know we had some problems for compiling both the MP4Enc
and the Biffs for that version. But if I REMEMBER correctly the BifEnc of v4
wouldnt work with MP4Enc of v5 and the BifEnc of v5 would crash with the
input files we were using for the v4 BifEnc.".
This was the problem with the MPEG-J available on ISO. I recently downloaded
it from the publicly available standards. Is this the problem only with the
publicly available standard or any available MPEG-J. Additionally the output
of MUX  is .trif file which is very unstable. Is there are solution out of
this. I would like to know
1. Given the MPEG-J in the ISO standards, is there anyways to generate MPEG4
files instead of .trif files.
2. Are there more tools to integrate MPEG-J streams in the bt format, or
ways to integrate MPEG-J using GPAC.
3. If these are not possible with the available MPEG-J version is there some
other means I could obtain it.
Please do send me information regarding these. I am in the middle of some
important implementation and am stuck because of the instability of .trif
files which can only be played using the IM1 player.
Thanks
Vidhya