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https://github.com/mpv-player/mpv
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Applied patch by Remi Guyomarch <rguyom at pobox com>.
1) document vb_qoffset instead of two times vb_qfactor 2) document "gray" and "mpeg_quant" 3) add 1 space to line-up with other options git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@7018 b3059339-0415-0410-9bf9-f77b7e298cf2
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@ -1169,7 +1169,7 @@ Available options are:
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and the smallest will be used.
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and the smallest will be used.
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default = HQ disabled
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default = HQ disabled
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vme=<0\-5> motion estimation method:
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vme=<0\-5> motion estimation method:
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0 no ME at all
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0 no ME at all
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1 ME_FULL
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1 ME_FULL
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2 ME_LOG
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2 ME_LOG
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@ -1222,6 +1222,14 @@ Available options are:
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or second pass of 2-pass mode.
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or second pass of 2-pass mode.
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default = 0 (1-pass mode)
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default = 0 (1-pass mode)
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gray encode in grayscale mode.
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default = disabled
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mpeg_quant use MPEG quantizers instead
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of H.263.
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default = disabled
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(i.e. use H.263 quantizers)
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The next 3 options apply only to I & P frames:
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The next 3 options apply only to I & P frames:
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vqmin=<1\-31> minimum quantizer
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vqmin=<1\-31> minimum quantizer
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@ -1259,11 +1267,14 @@ The following options apply only to B frames:
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higher quantizer for B frames)
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higher quantizer for B frames)
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default = 2.0
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default = 2.0
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vb_qfactor=<value>
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vb_qoffset=<value>
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quantizer factor between b
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quantizer offset between B
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and I/P frames (larger means
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and I/P frames (larger means
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higher quantizer for B frames)
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higher quantizer for B frames)
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default = 2.0
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default = 0.0
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The actual quantizer for a given B frame is computed in pass 1 as shown below:
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prev_IorP_quantizer * vb_qfactor + vb_qoffset
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In fixed quantizer mode you can use those options:
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In fixed quantizer mode you can use those options:
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vqscale, vmax_b_frames, vhq, vme, keyint
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vqscale, vmax_b_frames, vhq, vme, keyint
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