[FFmpeg-user] Using FFMPEG to transcode Blu-ray compliant video
Paul Atkins
goodpaul at gmail.com
Fri May 2 20:42:46 CEST 2014
Hello,
I need to convert my compressed video into a Blu-ray compliant format. I
have been up and down the web but have not found anyone who has used FFMPEG
for this purpose. I have tried to seek help from the Doom9 forum:
https://forum.doom9.org/showthread.php?p=1679646#post1679646
But so far, no luck. I am using a build of FFMPEG that I just
cross-compiled about a month ago. Here is the code I am calling to begin
the transcode:
x264options =
"bluray-compat=1:force-cfr=1:weightp=0:bframes=3:ref=3:nal-hrd=vbr:vbv-maxrate=40000:vbv-bufsize=30000:keyint=60:b-pyramid=strict:slices=4:tff=1:aud=1:colorprim=bt709:transfer=bt709:colormatrix=bt709:sar=1/1"
strCmd = "ffmpeg.exe -y -i " & INPUT_PATH & INPUT_FILE & " -c:v libx264
-level:v 4.1 -preset veryslow -tune film -crf 16 -r 59.94 -x264opts " &
x264options & " -x264-params " & x264options & " -c:a copy " & OUTPUT_NAME
I am duplicating all of my x264 options into both x264opts and x264-params
as I heard some work in one and not the other. One glaring difference
between what I am doing and the reference on the x264bluray.com site is
that I am not able to use the pulldown option, but I am trying to achieve
the same thing with a framerate change in the FFMPEG command line to take
my 720p29.97 video to 720p59.94.
Have you or anyone you know of been able to get FFMPEG to successfully
encode Blu-ray compliant video?
Thanks!
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