Em sex., 6 de jan. de 2023 às 10:30, Ricardo Henrique < ricardohenriq...@outlook.com> escreveu:
> Hello FFMpeg team, well I'm using FFMpeg to change the encode from h264 to > h265 and works fine for most of files, but some files has the output file > (h265) bigger than input file (h264), what is the reason for this to > happen? I know that there is a process to transcode h264 to raw (or close) > then encode to h265 (right?), so I imagine that the h265 output in this > case has a much higher visual quality (bitrate, ...) than the input h264 > right? Is there a way to "level" the video quality of the h264 input file > with the h265 output file so that the output file is not larger than the > input file? > > I'm using FFMpeg like that: > > for %%a in (*.mkv, *.mp4) do ( > ffmpeg -i "%%a" -map 0 -c:a copy -c:s copy -c:v libx265 -vtag hvc1 > -crf 18 -preset medium -tune animation "Out\%%~na.mkv" > ) > > Thanks!! -crf tries do do a visual representation, depending of visual characteristics of the original file (color, speed of motion) it can translates to a different final bitrate > _______________________________________________ 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".
