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mirror of https://github.com/mpv-player/mpv synced 2025-03-05 05:37:37 +00:00

This reverts the x264 modifications to the man page suggested my Loren, and

that should ONLY go along with x264 front-end update when approved by everybody


git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@13496 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
gpoirier 2004-09-27 20:34:35 +00:00
parent 734d04d14e
commit 189a46b6a5

View File

@ -347,7 +347,7 @@ flip=yes
# start with mf://filemask
mf=type=png:fps=25
# Eerie negative images are cool.
-vf=eq2=1.0:-0.8
vf=eq2=1.0:-0.8
.fi
.PP
You can also write file-specific configuration files.
@ -6770,20 +6770,10 @@ Sets the bitrate to be used in kbits/\:second (default: off).
This is required if you want a CBR (constant bitrate) encode.
.
.TP
.B keyint=<value>
.B iframe=<value>
Sets maximum interval between I frames.
Larger values save bits, thus improve quality, at the cost of seeking
precision (default: 250).
.
.TP
.B idrint=<value>
Each <value> I-Frames are IDR-Frames (default: 2).
In H.264, I-Frames do not necessarily bound a closed GOP because it is
allowable for a P-frame to be predicted from more frames than just the one
frame before it (also see frameref).
Therefore, I-frames are not necessarily seekable.
IDR-Frames restrict subsequent P-frames from referring to any frame
prior to the IDR-Frame.
precision (default: 60).
.
.TP
.B frameref=<1\-15>
@ -6793,11 +6783,21 @@ live-action source material.
Some decoders are unable to deal with large frameref values.
.
.TP
.B bframes=<0\-16>
number of consecutive B-Frames between I- and P-Frames (default: 0)
.B idrframe=<value>
Each <value> I-Frames are IDR-Frames (default: 2).
In H.264, I-Frames do not necessarily bound a closed GOP because it is
allowable for a P-frame to be predicted from more frames than just the one
frame before it (also see frameref).
Therefore, I-frames are not necessarily seekable.
IDR-Frames restrict subsequent P-frames from referring to any frame
prior to the IDR-Frame.
.
.TP
.B deblock | nodeblock
.B bframe=<value>
number of B-Frames between I- and P-Frames (default: 0)
.
.TP
.B deblock=<0|1>
Use deblocking filter (default: on).
As it takes very little time compared to its quality gain, it's not
recommend to disable it.
@ -6824,10 +6824,10 @@ Beta parameter of deblocking filter (default: 0).
Affects the maximum allowed gradient within two adjacent blocks.
.
.TP
.B cabac | nocabac
Use CABAC (Context-Adaptive Binary Arithmetic Coding) (default: on).
Slightly slows down encoding and decoding, but should save 10-15% bitrate.
Unless you are looking for speed, you should not disable it.
.B cabac\ \ \
Use CABAC (Context-Adaptive Binary Arithmetic Coding).
Slows down encoding but should save 10-15% of the bits.
Unless you are looking for speed, you should activate it.
.
.TP
.B cabacidc=<value>
@ -6847,7 +6847,7 @@ directly affect distortion.
.REss
.
.TP
.B qp_constant=<1\-51>
.B qp_constant=<2\-51>
This selects the quantizer to use.
20\-40 is a useful range (default: 26).
Lower values result in better fidelity, but higher bitrates.
@ -6858,11 +6858,11 @@ is about a factor of 10.
Useful quantizers in H.264 tend to be very large compared to MPEG[124].
.
.TP
.B qp_min=<1\-51> (CBR or 2 pass)
.B qp_min=<2\-51> (CBR only)
Minimum quantizer, 15\-35 seems to be a useful range (default: 10).
.
.TP
.B qp_max=<1\-51> (CBR or 2 pass)
.B qp_max=<2\-51> (CBR only)
maximum quantizer (default: 51)
.
.TP
@ -6912,7 +6912,7 @@ Lower values allow the quantizer value to jump around more,
higher values force it to vary more smoothly.
.
.TP
.B fullinter | nofullinter
.B fullinter
Use all available interframe macroblock types (i16x16, i4x4, p16x16-4x4)
The idea is to find the type and size that best describe a certain area
of the picture, i.e.\& very effective for Anime, which usually contains
@ -6921,6 +6921,22 @@ Depending on the source material, it can improve or degrade quality, use
it with care.
.
.TP
.B log=<-1\-3>
Adjust the amount of logging info printed to the screen.
.RSs
-1: none
.br
0: Print errors only.
.br
1: warnings
.br
2: PSNR, encoding times, and other analysis stats when the encode finishes
(default)
.br
3: PSNR, QP, frametype, size, and other stats for every frame
.REss
.
.TP
.B subq=<0\-5>
Adjust subpel refinement quality.
This parameter controls quality versus speed tradeoffs involved in the motion
@ -6941,24 +6957,8 @@ It can improve quality significantly.
.REss
.
.TP
.B log=<-1\-3>
Adjust the amount of logging info printed to the screen.
.RSs
-1: none
.br
0: Print errors only.
.br
1: warnings
.br
2: PSNR, encoding times, and other analysis stats when the encode finishes
(default)
.br
3: PSNR, QP, frametype, size, and other stats for every frame
.REss
.
.TP
.B psnr | nopsnr
Print signal-to-noise ratio statistics (default: off).
.B psnr\ \ \
Print signal-to-noise ratio statistics.
.
.
.\" --------------------------------------------------------------------------