From 230a685ea7b9c25feaf83de5344b510d8eff3d74 Mon Sep 17 00:00:00 2001 From: James Zern Date: Wed, 16 Dec 2015 18:13:02 -0800 Subject: [PATCH] README: update help text, repo link Change-Id: Iebcd05932572908abe4fcd0bb39a04dde9325199 --- README | 18 +++++++++++++++--- 1 file changed, 15 insertions(+), 3 deletions(-) diff --git a/README b/README index 87dac548..1a9edfa0 100644 --- a/README +++ b/README @@ -15,7 +15,8 @@ as well as the command line tools 'cwebp' and 'dwebp'. See http://developers.google.com/speed/webp -Latest sources are available from http://www.webmproject.org/code/ +The latest source tree is available at +https://chromium.googlesource.com/webm/libwebp It is released under the same license as the WebM project. See http://www.webmproject.org/license/software/ or the @@ -194,6 +195,8 @@ Options: green=0xe0 and blue=0xd0 -noalpha ............... discard any transparency information -lossless .............. encode image losslessly + -near_lossless ... use near-lossless image + preprocessing (0..100=off) -hint ......... specify image characteristics hint, one of: photo, picture or graph @@ -356,6 +359,10 @@ Options: or lossless compression heuristically -q ............. quality factor (0:small..100:big) -m ............... compression method (0=fast, 6=slowest) + -min_size .............. minimize output size (default:off) + lossless compression by default; can be + combined with -q, -m, -lossy or -mixed + options -kmin ............ min distance between key frames -kmax ............ max distance between key frames -f ............... filter strength (0=off..100) @@ -383,8 +390,13 @@ Comparison of animated images: Test utility anim_diff under examples/ can be used to compare two animated images (each can be GIF or WebP). -Usage: - anim_diff [-dump_frames ] [-min_psnr ] +Usage: anim_diff [options] + +Options: + -dump_frames dump decoded frames in PAM format + -min_psnr ... minimum per-frame PSNR + -raw_comparison ..... if this flag is not used, RGB is + premultiplied before comparison Building: ---------