Search found 379 matches

by peter_b
Thu Apr 12, 2012 2:29 pm
Forum: Knowledge Base
Topic: VirtualDub append DV: mismatch detected in opaque codec ...
Replies: 0
Views: 4368

VirtualDub append DV: mismatch detected in opaque codec ...

[PROBLEM] I tried to append a computer generated video with black-only frames, encoded in DV. Unfortunately, when trying to append that black-video in virtualDub to an existing DV-video, I got the following error: Cannot append wsegment <filename>: The video streams have incompativle data formast. ...
by peter_b
Fri Mar 09, 2012 1:35 pm
Forum: Knowledge Base
Topic: DeckLink: Firmware installation impossible?
Replies: 0
Views: 3491

DeckLink: Firmware installation impossible?

[PROBLEM] I've been working with several Decklink SDI cards (and Decklink Studio) without problems for more than 2 years now, but 2 (!) newly bought Decklink SDI cards won't work - because after installing the driver, I get the following error message: An error has occured that has prevented the fi...
by peter_b
Thu Jan 06, 2011 1:10 am
Forum: Knowledge Base
Topic: Video per-frame integrity check - verifying losslessness
Replies: 5
Views: 19090

Video per-frame integrity check - verifying losslessness

[PROBLEM] Sometimes you want to verify the integrity of your video material when dealing with lossless codecs. The only way to be sure that not a single bit of visual information is lost, is by decoding each frame into an uncompressed image and verify that. [SOLUTION] Using ffmpeg: ffmpeg -i video....
by peter_b
Sat Feb 27, 2010 8:54 pm
Forum: Knowledge Base
Topic: Losslessly split/merge AVI video files
Replies: 3
Views: 10060

Losslessly split/merge AVI video files

I know that there are plenty ways of splitting AVI files, but I needed it with a bit more reliability and precision than most others require for home use. The video was encoded using Huffyuv (so it's lossless and only keyframes), and the audio was PCM 16bit 48kHz. So it should be possible to exactly...