[Mp4-tech] Hinting of Mpeg-4 file

[=?big5?q?Derek=20Chow?=]

Hi all,
Does any one know if I can use QuickTime Pro API to do
hinting of an encoded Mpeg-4 file, such that I can
stream the file with DSS? 
If so, could you tell me how to do it? If not, then is
there anyway I can hint a Mpeg-4 file instead of using
QuickTime Export function, as I need to embedded the
function into my own program? Actually, I've tried
MP4Box to hint the mp4 file, though the resulting file
can be streamed by DSS, the video is freezed at the
first frame. 
Plz Help
Derek
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