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!!
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