is there any ‘easy’ way to locate the specific syntax unit(like an intra dct coefficient in 8×8 blocks) in a mpeg4 visual stream?
or just say , the only way to do it is analysing the stream with all the detail?
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is there any ‘easy’ way to locate the specific syntax unit(like an intra dct coefficient in 8×8 blocks) in a mpeg4 visual stream?
or just say , the only way to do it is analysing the stream with all the detail?
No easy way at all. You have to decode the stream to get those.
EDIT
Use ffmpeg to get those. A single fprintf in the right place should give it to you.