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authorUoti Urpala <uau@glyph.nonexistent.invalid>2010-03-10 00:00:06 +0200
committerUoti Urpala <uau@glyph.nonexistent.invalid>2010-03-10 00:00:06 +0200
commitc37f09693d0edb632c80f8f38ecdb2faf3547f7f (patch)
tree44df07eacb522a97bbecd7a3a0f93e8d6a933003 /DOCS/man
parent22a06c4ae5672c1dd629918d0a279b8af24e35c3 (diff)
parent2aafb808284d74edab6e5320e1114f5c74d5881e (diff)
downloadmpv-c37f09693d0edb632c80f8f38ecdb2faf3547f7f.tar.bz2
mpv-c37f09693d0edb632c80f8f38ecdb2faf3547f7f.tar.xz
Merge svn changes up to r30643
Diffstat (limited to 'DOCS/man')
-rw-r--r--DOCS/man/en/mplayer.1100
1 files changed, 93 insertions, 7 deletions
diff --git a/DOCS/man/en/mplayer.1 b/DOCS/man/en/mplayer.1
index bf1e2ba71f..ad544163e0 100644
--- a/DOCS/man/en/mplayer.1
+++ b/DOCS/man/en/mplayer.1
@@ -10100,8 +10100,15 @@ This is not recommended and wastes bitrate as scenecuts encoded as P-frames
are just as big as I-frames, but do not reset the "keyint counter".
.
.TP
+.B (no)intra_refresh
+Periodic intra block refresh instead of keyframes (default: disabled).
+This option disables IDR-frames, and, instead, uses a moving vertical bar
+of intra-coded blocks. This reduces compression efficiency but benefits
+low-latency streaming and resilience to packet loss.
+.
+.TP
.B frameref=<1\-16>
-Number of previous frames used as predictors in B- and P-frames (default: 1).
+Number of previous frames used as predictors in B- and P-frames (default: 3).
This is effective in anime, but in live-action material the improvements
usually drop off very rapidly above 6 or so reference frames.
This has no effect on decoding speed, but does increase the memory needed for
@@ -10110,7 +10117,7 @@ Some decoders can only handle a maximum of 15 reference frames.
.
.TP
.B bframes=<0\-16>
-maximum number of consecutive B-frames between I- and P-frames (default: 0)
+maximum number of consecutive B-frames between I- and P-frames (default: 3)
.
.TP
.B (no)b_adapt
@@ -10186,6 +10193,20 @@ maximum value by which the quantizer may be incremented/decremented between
frames (default: 4)
.
.TP
+.B (no)mbtree
+Enable macroblock tree ratecontrol (default: enabled).
+Use a large lookahead to track temporal propagation of data and weight quality
+accordingly.
+In multi-pass mode, this writes to a separate stats file named
+<passlogfile>.mbtree.
+.
+.TP
+.B rc_lookahead=<0\-250>
+Adjust the mbtree lookahead distance (default: 40).
+Larger values will be slower and cause x264 to consume more memory, but can
+yield higher quality.
+.
+.TP
.B ratetol=<0.1\-100.0> (ABR or two pass)
allowed variance in average bitrate (no particular units) (default: 1.0)
.
@@ -10278,6 +10299,20 @@ direct_pred=none is both slower and lower quality.
.RE
.
.TP
+.B weightp
+Weighted P-frame prediction mode (default: 2).
+.PD 0
+.RSs
+.IPs 0
+disabled (fastest)
+.IPs 1
+blind mode (slightly better quality)
+.IPs 2
+smart mode (best)
+.RE
+.PD 1
+.
+.TP
.B (no)weight_b
Use weighted prediction in B-frames.
Without this option, bidirectionally predicted macroblocks give
@@ -10381,9 +10416,9 @@ SATD metric, rather than reusing vectors from the forward and backward
searches.
.IPs 6
Enables rate-distortion optimization of macroblock types in
-I- and P-frames (default).
+I- and P-frames.
.IPs 7
-Enables rate-distortion optimization of macroblock types in all frames.
+Enables rate-distortion optimization of macroblock types in all frames (default).
.IPs 8
Enables rate-distortion optimization of motion vectors and intra prediction modes in I- and P-frames.
.IPs 9
@@ -10414,9 +10449,9 @@ rate-distortion optimal quantization
.PD 0
.RSs
.IPs 0
-disabled (default)
+disabled
.IPs 1
-enabled only for the final encode
+enabled only for the final encode (default)
.IPs 2
enabled during all mode decisions (slow, requires subq>=6)
.RE
@@ -10435,6 +10470,11 @@ trellis (requires trellis, experimental) (default: 0.0)
.PD 1
.
.TP
+.B (no)psy
+Enable psychovisual optimizations that hurt PSNR and SSIM but ought to look
+better (default: enabled).
+.
+.TP
.B deadzone_inter=<0\-32>
Set the size of the inter luma quantization deadzone for non-trellis
quantization (default: 21).
@@ -10566,12 +10606,43 @@ and you have a need to set it.
.
.TP
.B threads=<0\-16>
-Spawn threads to encode in parallel on multiple CPUs (default: 1).
+Spawn threads to encode in parallel on multiple CPUs (default: 0).
This has a slight penalty to compression quality.
0 or 'auto' tells x264 to detect how many CPUs you have and pick an
appropriate number of threads.
.
.TP
+.B (no)sliced_threads
+Use slice-based threading (default: disabled).
+Unlike normal threading, this option adds no encoding latency, but is slightly
+slower and less effective at compression.
+.
+.TP
+.B slice_max_size=<0 or positive integer>
+Maximum slice size in bytes (default:0).
+A value of zero disables the maximum.
+.
+.TP
+.B slice_max_mbs=<0 or positive integer>
+Maximum slice size in number of macroblocks (default:0).
+A value of zero disables the maximum.
+.
+.TP
+.B slices=<0 or positive integer>
+Maximum number of slices per frame (default:0).
+A value of zero disables the maximum.
+.
+.TP
+.B sync_lookahead=<0\-250>
+Adjusts the size of the threaded lookahead buffer (default: 0).
+0 or 'auto' tells x264 to automatically determine buffer size.
+.
+.TP
+.B (no)deterministic
+Use only deterministic optimizations with multithreaded encoding (default:
+enabled).
+.
+.TP
.B (no)global_header
Causes SPS and PPS to appear only once, at the beginning of the bitstream
(default: disabled).
@@ -10583,6 +10654,16 @@ The default behavior causes SPS and PPS to repeat prior to each IDR frame.
Treat the video content as interlaced.
.
.TP
+.B (no)constrained_intra
+Enable constrained intra prediction (default: disabled).
+This significantly reduces compression, but is required for the base layer of
+SVC encodes.
+.
+.TP
+.B (no)aud
+Write access unit delimeters to the stream (default: disabled).
+.
+.TP
.B log=<\-1\-3>
Adjust the amount of logging info printed to the screen.
.PD 0
@@ -10624,6 +10705,11 @@ If the x264 on your system supports it, a new window will be opened during
the encoding process, in which x264 will attempt to present an overview of
how each frame gets encoded.
Each block type on the visualized movie will be colored as follows:
+.
+.TP
+.B dump_yuv=<file name>
+Dump YUV frames to the specified file.
+For debugging use.
.PD 0
.RSs
.IPs red/pink