Nicolas wrote:
An intermediate .mov file is necessary in order to encode in 2 pass mode
with ffmpeg or mencoder.
No, it isn't. I've done 2-pass encoding for x264 like this:
For the first pass, render the audio as wav, and use the YUV4MPEG stream
for video. I called my output file "hiQ-x264-shizuocha.avi", so % takes
that. The pipe settings are:
mencoder - -audiofile ./rendered/final-cut-direct.wav -oac lavc
-lavcopts acodec=ac3 -noaspect -noskip -ovc x264 -x264encopts
crf=20:subq=6:4x4mv:8x8dct:me=3:frameref=5:bframes=3:b_pyramid:weight_b:pass=1
-passlogfile hiQ-pass1.log -o %
And for the second pass:
mencoder hiQ-x264-shizuocha.avi -oac copy -noaspect -noskip -ovc x264
-x264encopts
bitrate=1000:crf=20:subq=6:4x4mv:8x8dct:me=3:frameref=5:bframes=3:b_pyramid:weight_b:pass=2
-passlogfile ../hiQ-pass1.log -o hiQ-x264-shizuocha-p2.avi
It's quite possible, and very nice! You could even do n-pass encoding in
this way.
hth,
Joe
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