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30th July 2008, 22:15 | #2 | Link |
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The minimum keyframe interval could force Xvid to place a keyframe early, and there might be a restriction on how far keyframes must be from each other, so it didn't place one right at the scene change... unless this is consistent with each scene change?
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30th July 2008, 22:21 | #3 | Link |
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It's a fragment cut from a larger video, so I don't know what happens in all of it, but in the part I have it's like that before every scene change.
How can you enforce minimum distance between keyframes? And how can a fully lit P-VOP after a completely black frame not be I-VOP? (Could all MBs be I but the frame as a whole not considered I?) |
31st July 2008, 04:03 | #5 | Link |
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It could be the n-vop bug but that normally led to I frames appearing after their proper position, not before. Possibly the source used directshowsource() and it presented different frames on each pass. Maybe it was encoded in non-packed mode, they decided for some stupid reason it wasn't good enough and fed the encoded file back in for a third pass - using the original stats file.
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31st July 2008, 12:46 | #6 | Link |
Mr. Sandman
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eh... avi/vfw...
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2nd August 2008, 18:04 | #9 | Link | |
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Quote:
So adding new visualizations would require support by libavcodec, I guess...
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