But for the common case of traversing the file in order, just reading every frame sequentially (no seeks, except to the very next frame), it will work? Or are there still circumstances where that also doesn't work?
> On Dec 21, 2017, at 1:12 PM, Troy Sobotka <[email protected]> wrote: > > > > On Thu, Dec 21, 2017, 12:07 PM Larry Gritz <[email protected] > <mailto:[email protected]>> wrote: > Does it matter if you seek directly to the arbitrary frame, versus if you > have read all the prior frames in sequence? > > Yes. > > As a result of the nature of the B frames, and in the case of a jump seek > that lands on P / B frames, the frame output will fail. > > It is relatively easy to test with a P / B short GoP codec. I believe it will > only work "as is" on all I frame encoded codecs. > > With respect, > TJS > -- Larry Gritz [email protected]
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