On 18.11.2015 15:07, Michael Niedermayer wrote: > On Tue, Nov 17, 2015 at 05:20:08PM +0100, Stefano Sabatini wrote: >> On date Tuesday 2015-11-17 17:12:46 +0100, wm4 encoded: >>> On Tue, 17 Nov 2015 17:00:29 +0100 >>> Stefano Sabatini <stefa...@gmail.com> wrote: >> [...] >>>> No, just in case ret == AVERROR(EAGAIN), in all other failure cases it >>>> will exit the loop immediately. >>>> >>>> BTW, the same problem affects some API usage examples. >>> >>> Yeah, I got that wrong - but even with EAGAIN, is there a guarantee? >> >> I don't know. Note that this is also the same strategy applied by >> ffplay and ffmpeg (in this case it will wait with a usleep). We could >> abort in case a threshold count value is reached, but that would be >> probably overkill. > > iam not aware of any inf loops with EAGAIN
Well, I am. I even sent patches fixing that, but you had objections. [1] So ffprobe can already hang in an infinite EAGAIN loop that happens within avformat_find_stream_info. Best regards, Andreas 1: https://ffmpeg.org/pipermail/ffmpeg-devel/2015-March/170009.html _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-devel
