Okay, got it 👍 Thanks sir 🙏
On Wed, 30 Oct, 2024, 7:40 pm Ferdi Scholten, <fe...@sttc-nlp.nl> wrote: > Okay, thank you sir. > > Should I keep the bufsize 5 times that of maxrate ? Will that help in > > effective allocation of bitrates ? Also, for getting the best possible > > quality in this case, how high should be the value of bufsize ? What is > > your recommendation ? > > > > (I use the slow preset for both x264 and x265 for getting better > quality > > at same filesizes btw). > > > > On Wed, 30 Oct, 2024, 6:25 pm Ferdi Scholten,<fe...@sttc-nlp.nl> wrote: > > > >> If I set " -b:v 5000k -maxrate 6000k -minrate 4000k " for x264, x265 and > >>> vvenc, will this enable VBR encoding for these three encoders ? > >>> _______________________________________________ > >>> > >> If "constrained VBR" is what you want then the answer is yes. > >> > >> It is not true VBR because it will never get below minrate or above > >> maxrate even if it would be possible/necessary for maintaining the > >> encoding quality > >> _______________________________________________ > >> > try to see it like this, the bufsize/maxrate is the frequency at which > ffmpeg checks for the need of changing the bitrate. > This is of course highly dependent on the type of content you have. > Detailed content with high motion and/or lots of scene changes will do > best with bufsize = maxrate, while for more static content bufsize can > be >= 5 times maxrate. > _______________________________________________ > ffmpeg-user mailing list > ffmpeg-user@ffmpeg.org > https://ffmpeg.org/mailman/listinfo/ffmpeg-user > > To unsubscribe, visit link above, or email > ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe". > _______________________________________________ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe".
