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Old 5th June 2010, 14:31   #11  |  Link
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Join Date: Jul 2005
Posts: 438
Originally Posted by rack04 View Post
If your goal is to output a compliant Blu-ray Disc structure, which from what I've read is the only reason to use open-gop, then you shouldn't be muxing to MKV. AFAIK, once you mux the raw 264 stream generated by x264 to MKV you lose NAL-HRD. If you use the MKV file to generate the Blu-ray Disc structure then txMuxeR assumes VBV values to generate NAL-HRD if no information exists.
I thought open-gop gives more efficiency (probably only slightly) so that file sizes decrease. I do not intend to encode Blu-ray compliant streams.

I ran my file (encoded with the latest rev of x264 with open-gop and muxed with mkvmerge) through mkvalidator and it returns a huge amount of messages like: "ERR0B1: Block at -1234567890 track #4 is not a keyframe". Does this have to do with open-gop and does it help to fix the issue?
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