$ avconv -version avconv version 9.16-6:9.16-0ubuntu0.14.04.1, Copyright (c) 2000-2014 the Libav developers built on Aug 10 2014 18:16:02 with gcc 4.8 (Ubuntu 4.8.2-19ubuntu1) avconv 9.16-6:9.16-0ubuntu0.14.04.1 libavutil 52. 3. 0 / 52. 3. 0 libavcodec 54. 35. 0 / 54. 35. 0 libavformat 54. 20. 4 / 54. 20. 4 libavdevice 53. 2. 0 / 53. 2. 0 libavfilter 3. 3. 0 / 3. 3. 0 libavresample 1. 0. 1 / 1. 0. 1 libswscale 2. 1. 1 / 2. 1. 1
On Tue, Oct 14, 2014 at 6:17 PM, Luca Barbato <[email protected]> wrote: > On 10/10/14 21:36, Simon Roberts wrote: > >> Hi all, I have a problem which I think is something to do with avconv, one >> or more codecs, and possibly related to the way I'm using them. >> >> I capture my screen (with audio) using this command: >> >> avconv -f alsa -i pulse -f x11grab -r 30 -s 1280x720 -i :0.0+100,125 >> -acodec ac3 -vcodec libx264 -pre:0 lossless_ultrafast -threads 0 >> video-$(date +%F-%H-%M-%S).mkv >> >> and during recording, it spits out some warnings about non monotonous ... >> and tells me that this may result in incorrect timestamps in the output >> file. Possibly noteworthy is that the values is prints seem to suggest >> that >> somehow this count went "backwards" relative to it's earlier number >> (e.g.: previous: 9138, current: 9123; changing to 9139) >> >> > Which version are you using? recently we switched to use the monotonic > clock to avoid such problems. > > lu > > _______________________________________________ > libav-tools mailing list > [email protected] > https://lists.libav.org/mailman/listinfo/libav-tools > -- Simon Roberts Certified Professional Photographer http://dancingcloudphotography.com (303) 249 3613
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