[x264-devel] commit: Add more detailed help for presets/tunes/profiles (Alex Jurkiewicz )
git version control
git at videolan.org
Wed Dec 9 13:57:27 CET 2009
x264 | branch: master | Alex Jurkiewicz <alex at bluebottle.net.au> | Mon Dec 7 18:17:29 2009 -0800| [a8f670b66ac89d75ef09ff87c940cfe3b328ad2d] | committer: Jason Garrett-Glaser
Add more detailed help for presets/tunes/profiles
Shows what options they represent.
> http://git.videolan.org/gitweb.cgi/x264.git/?a=commit;h=a8f670b66ac89d75ef09ff87c940cfe3b328ad2d
---
x264.c | 83 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++-------
1 files changed, 74 insertions(+), 9 deletions(-)
diff --git a/x264.c b/x264.c
index 5dc7003..a290100 100644
--- a/x264.c
+++ b/x264.c
@@ -175,17 +175,82 @@ static void Help( x264_param_t *defaults, int longhelp )
H0( "Presets:\n" );
H0( "\n" );
H0( " --profile Force H.264 profile [high]\n" );
- H0( " Overrides all settings\n");
- H0( " - baseline,main,high\n" );
+ H0( " Overrides all settings\n" );
+ H2( " - baseline:\n"
+ " --no-8x8dct --bframes 0 --no-cabac\n"
+ " --cqm flat --weightp 0 No interlaced\n"
+ " No lossless\n"
+ " - main:\n"
+ " --no-8x8dct --cqm flat No lossless\n"
+ " - high:\n"
+ " No lossless\n" );
+ else H0( " - baseline,main,high\n" );
H0( " --preset Use a preset to select encoding settings [medium]\n" );
- H0( " Overridden by user settings\n");
- H0( " - ultrafast,veryfast,faster,fast,medium\n"
- " - slow,slower,veryslow,placebo\n" );
+ H0( " Overridden by user settings\n" );
+ H2( " - ultrafast:\n"
+ " --no-8x8dct --aq-mode 0 --no-b-adapt\n"
+ " --bframes 0 --no-cabac --no-deblock\n"
+ " --no-mbtree --me dia --no-mixed-refs\n"
+ " --partitions none --ref 1 --scenecut 0\n"
+ " --subme 0 --trellis 0 --weightp 0\n"
+ " - veryfast:\n"
+ " --no-mbtree --me dia --no-mixed-refs\n"
+ " --partitions i8x8i4x4 --ref 1\n"
+ " --subme 1 --trellis 0 --weightp 0\n"
+ " - faster:\n"
+ " --no-mbtree --no-mixed-refs --refs 2\n"
+ " --subme 4 --weightp 1\n"
+ " - fast\n"
+ " --rc-lookahead 30 --ref 2 --subme 6\n"
+ " - medium\n"
+ " Default settings apply.\n"
+ " - slow\n"
+ " --b-adapt 2 --direct auto --me umh\n"
+ " --rc-lookahead 50 --ref 5 --subme 8\n"
+ " - slower\n"
+ " --b-adapt 2 --direct auto --me umh\n"
+ " --partitions all --rc-lookahead 60\n"
+ " --ref 8 --subme 9 --trellis 2\n"
+ " - veryslow\n"
+ " --b-adapt 2 --bframes 8 --direct auto\n"
+ " --me umh --me-range 24 --partitions all\n"
+ " --ref 16 --subme 10 --trellis 2\n"
+ " --rc-lookahead 60\n"
+ " - placebo\n"
+ " --bframes 16 --b-adapt 2 --direct auto\n"
+ " --slow-firstpass --no-fast-pskip\n"
+ " --me tesa --me-range 24 --partitions all\n"
+ " --rc-lookahead 60 --ref 16 --subme 10\n"
+ " --trellis 2\n" );
+ else H0( " - ultrafast,veryfast,faster,fast,medium\n"
+ " - slow,slower,veryslow,placebo\n" );
H0( " --tune Tune the settings for a particular type of source\n" );
- H0( " Overridden by user settings\n");
- H2( " - film,animation,grain,psnr,ssim\n"
- " - fastdecode,touhou\n");
- else H0( " - film,animation,grain,psnr,ssim,fastdecode\n");
+ H0( " Overridden by user settings\n" );
+ H2( " - film:\n"
+ " --deblock -1:-1 --psy-rd <unset>:0.15\n"
+ " - animation:\n"
+ " --bframes {+2} --deblock 1:1\n"
+ " --psy-rd 0.4:<unset> --aq-strength 0\n"
+ " --ref {Double if >1 else 1}\n"
+ " - grain:\n"
+ " --aq-strength 0.5 --no-dct-decimate\n"
+ " --deadzone inter 6 --deadzone-intra 6\n"
+ " --deblock -2:-2 --ipratio 1.1 \n"
+ " --pbratio 1.1 --psy-rd <unset>:0.25\n"
+ " --qcomp 0.8\n"
+ " - psnr:\n"
+ " --aq-mode 0 --no-psy\n"
+ " - ssim:\n"
+ " --aq-mode 2 --no-psy\n"
+ " - fastdecode:\n"
+ " --no-cabac --no-deblock --no-weightb\n"
+ " --weightp 0\n"
+ " - touhou:\n"
+ " --aq-strength 1.3 --deblock -1:-1\n"
+ " --partitions {p4x4 if p8x8 set}\n"
+ " --psy-rd <unset>:0.2\n"
+ " --ref {Double if >1 else 1}\n" );
+ else H0( " - film,animation,grain,psnr,ssim,fastdecode\n" );
H1( " --slow-firstpass Don't use faster settings with --pass 1\n" );
H0( "\n" );
H0( "Frame-type options:\n" );
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