Can you clarify the conditions in which it won't work, and what will go wrong?
> On Dec 20, 2017, at 2:15 AM, Troy Sobotka <[email protected]> wrote: > > The > > On Wed, Dec 20, 2017, 2:09 AM Daniel Flehner Heen <[email protected] > <mailto:[email protected]>> wrote: > Hi! > I'm a bit out of my league here, but frames for video are stored as subimages > in an ImageBuf for instance. One way of iterating over the frames may be by > resetting the ImageBuf passing a "frame number" as subimage. > > I would add that the current PTS FFMPEG code in OIIO suffers on many codecs > and won't grab a frame if the codec is using B frames, and even will fail > occasionally with certain P frame formats. > > I had a patch that worked reasonably well on B frame codecs, but I am sure > there would have been some existing implementations that it would have failed > on. > > With respect, > TJS -- Larry Gritz [email protected]
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