Re: [FFmpeg-user] why ffmpeg takes lot of cpu?

2017-11-26 Thread Carl Eugen Hoyos
2017-11-26 22:01 GMT+01:00 Reindl Harald : > > > Am 25.11.2017 um 19:03 schrieb comp4me: >> >> If I will use thread 1 will i get 100% cpu and not 250% cpu? >> but the performance will be the same?(that what i not understand) > > no it will not - the remaining cpu usage is not just for fun > what th

Re: [FFmpeg-user] why ffmpeg takes lot of cpu?

2017-11-26 Thread Reindl Harald
Am 25.11.2017 um 19:03 schrieb comp4me: If I will use thread 1 will i get 100% cpu and not 250% cpu? but the performance will be the same?(that what i not understand) no it will not - the remaining cpu usage is not just for fun what the hell do you expect from video encoding? "why ffmpeg tak

Re: [FFmpeg-user] why ffmpeg takes lot of cpu?

2017-11-24 Thread Reindl Harald
Am 24.11.2017 um 13:11 schrieb comp4me: I not get you, if i will apply more than 1 thread will i use on less cpu? why? dunno what is unclear by saying "-threads 1 would at least disable multithreading" which by common sense can't lead to your 250% aka 2.5 cores _

Re: [FFmpeg-user] why ffmpeg takes lot of cpu?

2017-11-24 Thread Gonzalo GarramuƱo
El 24/11/2017 a las 09:11, comp4me escribiĆ³: I not get you, if i will apply more than 1 thread will i use on less cpu? why? No, he means the opposite. Use 1 thread and you will use less cpu (1 at 100%). ___ ffmpeg-user mailing list ffmpeg-user@ff

Re: [FFmpeg-user] why ffmpeg takes lot of cpu?

2017-11-23 Thread Reindl Harald
Am 23.11.2017 um 20:21 schrieb comp4me: i run this command on pc with cpu i5 ffmpeg -i rtsp://x.x.x.x -i 2.264 -preset ultrafast -filter_complex "[0]crop=20:20:20:20[a];[a][1] overlay=0:0" http://127.0.0.1/feed.ffm i see how much this process takes me with "top" command(ubuntu) I see that it