mirror of https://github.com/mpv-player/mpv
quantizer --> quantization as pointed out by Attila
git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@13470 b3059339-0415-0410-9bf9-f77b7e298cf2
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@ -3164,7 +3164,7 @@ debug:
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.br
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.br
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8: macroblock (MB) type
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8: macroblock (MB) type
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.br
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.br
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16: quantizer parameter (QP)
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16: quantization parameter (QP)
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.br
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.br
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32: motion vector
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32: motion vector
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.br
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.br
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@ -3786,7 +3786,7 @@ simple postprocessing filter
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.IPs quality
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.IPs quality
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0\-6 (default: 3)
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0\-6 (default: 3)
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.IPs qp\ \ \
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.IPs qp\ \ \
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force quantization parameter (default: 0, use QP from video)
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Force quantization parameter (default: 0, use QP from video).
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.IPs mode\ \ \
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.IPs mode\ \ \
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0: hard thresholding (default)
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0: hard thresholding (default)
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.br
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.br
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@ -3795,7 +3795,7 @@ force quantization parameter (default: 0, use QP from video)
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.
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.
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.TP
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.TP
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.B qp=equation
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.B qp=equation
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quantizer parameter (QP) change filter
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quantization parameter (QP) change filter
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.RSs
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.RSs
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.IPs equation
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.IPs equation
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some equation like "2+2*sin(PI*qp)"
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some equation like "2+2*sin(PI*qp)"
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@ -6082,7 +6082,7 @@ the minimum of error and lambda*bits.
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.PD 0
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.PD 0
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.RSs
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.RSs
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.IPs lambda
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.IPs lambda
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quantizer parameter (QP) dependant constant
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quantization parameter (QP) dependant constant
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.IPs bits\
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.IPs bits\
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amount of bits needed to encode the block
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amount of bits needed to encode the block
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.IPs error
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.IPs error
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@ -6103,7 +6103,7 @@ This has no effect if mbd=0.
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.
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.
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.TP
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.TP
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.B qprd (mbd=2 only)
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.B qprd (mbd=2 only)
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rate distorted optimal quantizer parameter (QP) for the given
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rate distorted optimal quantization parameter (QP) for the given
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lambda of each macroblock
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lambda of each macroblock
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.
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.
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.TP
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.TP
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@ -6813,7 +6813,7 @@ This selects the quantizer to use.
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20\-40 is a useful range (default: 26).
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20\-40 is a useful range (default: 26).
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Lower values result in better fidelity, but higher bitrates.
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Lower values result in better fidelity, but higher bitrates.
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Note that quantization in H.264 works differently from MPEG[124].
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Note that quantization in H.264 works differently from MPEG[124].
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H.264's quantizer parameter (QP) is on a logarithmic scale.
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H.264's quantization parameter (QP) is on a logarithmic scale.
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As an example, the bitrate difference between QP=20 and QP=40
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As an example, the bitrate difference between QP=20 and QP=40
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is about a factor of 10.
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is about a factor of 10.
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Useful quantizers in H.264 tend to be very large compared to MPEG[124].
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Useful quantizers in H.264 tend to be very large compared to MPEG[124].
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