On Sun, 19 Feb 2012, Yusuke Nakamura wrote:
Let's say I is IDR-picture, i is non-IDR I-picture and P is P-picture,
and consider a coded video sequence I[0]P[1]i[2]P[3] .
Here, P[3] depends on P[1] and P[1] depends on I[0].
Then if you start to decode i[2], P[3] cannot be decodable correctly.
Therefore, i[2] can have sample_depends_on=2 but is not random accessible
sample.
Ah, I see.
Do you have any better suggestion on how to set the keyframe flag for that
kind of ismv file, where there this is the only indication of them?
Without it, stream copy normally fails, and seeking fails.
// Martin
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