[mythtv] MPEG2: Picture start, but no GOP

Daniel Thor Kristjansson danielk at cat.nyu.edu
Wed Jul 7 14:39:06 EDT 2004

MPEG2 doesn't require GOPs. Maybe if we just looked for the first
I-Frame instead that would work. The lack of GOPs will break MPEG2
editing too, so we might want to flag any streams without GOPs to
be non-editable.

-- Daniel

On Wed, 7 Jul 2004, John Patrick Poet wrote:

]I am using an HD-2000 card to pull in HDTV material.  It works great
]with all of my digital over-the-air channels except for UPN and WB.
]Those two channels are owned by the same company here in Albuquerque.
]They do not broadcast in HD, but it is digital SD.
]In trying to diagnose the problem, it looks to me like there is NEVER a
]GOP start indicator.  It looks like it does occationally see a "Picture
]Start" indicator.  The notes at the top of hdtvrecorder.cpp indicate
]that Jason Hoos set it up such that a "Picture Start" indicator is "good
]enough", but it does not seem to work for my UPN/WB stations.
]Jason, if you are still on this list, can you give me some guidance on
]what to look for?
]mythtv-dev mailing list
]mythtv-dev at mythtv.org

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