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authorMichael Niedermayer <michaelni@gmx.at>2014-04-09 04:54:26 +0200
committerMichael Niedermayer <michaelni@gmx.at>2014-04-09 04:54:26 +0200
commit624327988f747b1adc3a3d405418b0578b6c7e70 (patch)
treefd2166657e89e0c2da153b5686027618a94fdc44
parent43935842bd1307b084a32ea40d2ed6c8733e034a (diff)
parente6e8be542b8e9f6c200b55dd1b444ec517dc85da (diff)
downloadffmpeg-624327988f747b1adc3a3d405418b0578b6c7e70.tar.gz
Merge remote-tracking branch 'qatar/master'
* qatar/master: doc: Completely document the x264 options Conflicts: doc/encoders.texi Merged-by: Michael Niedermayer <michaelni@gmx.at>
-rw-r--r--doc/encoders.texi17
1 files changed, 15 insertions, 2 deletions
diff --git a/doc/encoders.texi b/doc/encoders.texi
index 386ac19cca..d48df7d302 100644
--- a/doc/encoders.texi
+++ b/doc/encoders.texi
@@ -1566,25 +1566,34 @@ kilobits/s.
@item g (@emph{keyint})
-@item qmax (@emph{qpmax})
-
@item qmin (@emph{qpmin})
+Minimum quantizer scale.
+
+@item qmax (@emph{qpmax})
+Maximum quantizer scale.
@item qdiff (@emph{qpstep})
+Maximum difference between quantizer scales.
@item qblur (@emph{qblur})
+Quantizer curve blur
@item qcomp (@emph{qcomp})
+Quantizer curve compression factor
@item refs (@emph{ref})
+Number of reference frames each P-frame can use. The range is from @var{0-16}.
@item sc_threshold (@emph{scenecut})
+Sets the threshold for the scene change detection.
@item trellis (@emph{trellis})
+Performs Trellis quantization to increase efficiency. Enabled by default.
@item nr (@emph{nr})
@item me_range (@emph{merange})
+Maximum range of the motion search in pixels.
@item me_method (@emph{me})
Set motion estimation method. Possible values in the decreasing order
@@ -1606,10 +1615,13 @@ Hadamard exhaustive search (slowest).
@end table
@item subq (@emph{subme})
+Sub-pixel motion estimation method.
@item b_strategy (@emph{b-adapt})
+Adaptive B-frame placement decision algorithm. Use only on first-pass.
@item keyint_min (@emph{min-keyint})
+Minimum GOP size.
@item coder
Set entropy encoder. Possible values:
@@ -1636,6 +1648,7 @@ Ignore chroma in motion estimation. It generates the same effect as
@end table
@item threads (@emph{threads})
+Number of encoding threads.
@item thread_type
Set multithreading technique. Possible values: