On 06/15/2016 03:12 PM, Nicolas George wrote: > L'octidi 28 prairial, an CCXXIV, DeHackEd a écrit : >> Everything is working fine except for one anomaly. Occasionally I get this >> "tearing" effect (screen shot link at bottom of message) for a split >> second where it looks like the top portion of the frame, usually around >> 1/3 of it, looks like a frame from another part of the video. It is most >> noticeable around scene cuts but otherwise doesn't have any pattern. Just >> a glitch of sorts every few seconds. > >> Switching to ffv1 I don't see any issues in the output so I'm fairly >> certain it's an libx264 or other encoding side issue. > > I find that very unlikely, x264 is an extensively tested library and the bug > you describe does not seem subtle. > > It looks like a threading issue to me, in fact: application replacing the > frame data with the next frame while x264 is still accessing it. Since the > FFV1 encoder does not do frame threading, it would not trigger the issue.
Yes, I believe it is threading issue now and am troubleshooting it as such. (Wish me luck..) > > Regards, > > > > _______________________________________________ > Libav-user mailing list > [email protected] > http://ffmpeg.org/mailman/listinfo/libav-user > _______________________________________________ Libav-user mailing list [email protected] http://ffmpeg.org/mailman/listinfo/libav-user
