Infos I didn't found that easily with Google and had to find out myself. Hereby given back to the net...
ffmpeg + MT + SVQ3 video = Argh...
Submitted by llando on Fri, 01/28/2011 - 09:23.
Try decoding a video with SVQ3 video codec with multithreading enabled (e.g. -threads 4) ffmpeg r25526 simply refuses to decode it:
Stream #0.0(eng): Video: svq3, yuvj420p, 640x476, 1732 kb/s, 25 fps, 25 tbr, 600 tbn, 600 tbc
...
[svq3 @ 0x806bfe0] SVQ3 does not support multithreaded decoding, patch welcome! (check latest SVN too)
...
Error while opening decoder for input stream #0.0
Instead of simply just using only one thread and just working ffmpeg bails. What a pain.
You need to specify "-threads 1" or no threads option at all for decoding to work.
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