On Thu, Aug 13, 2015 at 09:03:48 -0500, Steve Boyer wrote: > On Wed, Aug 12, 2015 at 11:03 PM, Robin Lery <[email protected]> wrote: > > I know about presets but faster presets lose the video quality. Are there > > It's my experience that CRF more directly affects the quality, and > presets more influence filesize and encoding speed; a preset of slow > will be ABOUT the same quality as veryfast but the bitrate between the > two would be drastically different (in my opinion and eyes).
The presets were designed to trade off speed versus size, using the same CRF and thereby (approximately) the same quality. But Robin is using: > -maxrate 1000k thereby limiting what the encoder can achieve in terms of quality. > I've used -threads=1 successfully after input, before output file name. Did Robin want to use more threads, or less? I understand ffmpeg automatically tries to choose the right amount of threads. (That said, my libx264 claims: "Threading capabilities: no", but I read differing stuff on that.) Moritz _______________________________________________ ffmpeg-user mailing list [email protected] http://ffmpeg.org/mailman/listinfo/ffmpeg-user
