[MPlayer-users] Problem with constant quantizer encoding
Stefan Baehre
ste.ba at gmx.de
Fri Dec 26 02:32:28 CET 2003
For doing constant quantizer encoding with different quantizers for
I/P and B frames, manpage says:
"Tip: To do constant quantizer encoding with different quantizers
for I/P and B frames you can use: vqmin=<ip_quant>:vqmax=
<ip_quant>:vb_qfactor= <b_quant/ip_quant>"
This doesn't work with current CVS. I tried:
-lavcopts vcodec=mpeg4:psnr:vmax_b_frames=2:vb_strategy=0:vqmin=2:vqmax=2:vb_qfactor=1.5:vb_qoffset=0
But I get Q=2 for all frame types, not 2 for I/P and 3 for B as I
expected.
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