[mythtv-users] Cannot play recorded HD H264, advice on faster hardware needed

Steven Ellis steven at openmedia.co.nz
Thu May 15 05:07:10 UTC 2008

On Thu, May 15, 2008 12:00 pm, Ronald Frazier wrote:
> My Core 2 Duo E6750 plays it back at 100% + 20% for the 2 cores, using
> the internal player. It appears to be smooth, though there is a tiny
> bit of jumpiness and blockiness, but I think that's just part of the
> compression. Its hard to tell on such a short clip. Especially since
> myth always seems to quit about 3 seconds early, so the clip is really
> only 5 seconds instead of 8. But there is definitely no pausing or
> stuttering
> As I said, this is with the internal player. I'm using 0.21 fixes
> (16961). I do get a bunch of errors in the log file:
> AFD Error: Unknown decoding error
> [h264 @ 0xb727f908]B picture before any references, skipping
> [h264 @ 0xb727f908]decode_slice_header error
> [h264 @ 0xb727f908]no frame!
> That block repeats a few dozen times, then I get a couple hundred of
> the following:
> [h264 @ 0xb727f908]Interlaced pictures + spatial direct mode is not
> implemented

This error relates to missing functionality in FFMPEG's H.264 support. It
only has a partial PAFF interlaced implementation.


Steven Ellis - Technical Director
OpenMedia Limited - The Home of myPVR
email   - steven at openmedia.co.nz
website - http://www.openmedia.co.nz

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