README.chromium
1 Name: libvpx 2 URL: http://www.webmproject.org 3 Version: v1.3.0 4 License: BSD 5 License File: source/libvpx/LICENSE 6 Security Critical: yes 7 8 Date: Monday September 22 2014 9 Branch: master 10 Commit: 38b6aed8fdf50e701c070e708ff7933cc3a61117 11 12 Description: 13 Contains the sources used to compile libvpx binaries used by Google Chrome and 14 Chromium. 15 16 The libvpx source is from webmproject.org: 17 git://review.webmproject.org/libvpx 18 19 Notes on updating libvpx source code. 20 21 Please follow these steps to update libvpx source code: 22 23 1. Update libvpx source tree. Look for "Current HEAD: <hash>" output to update 24 README.chromium. Look for "git log from upstream: <git log>" output to add 25 to the commit message. 26 27 ./update_libvpx.sh [branch name] 28 29 2. Generate updated .gypi and config files. 30 31 ./generate_gypi.sh 32 33 3. Update this README with any Version, Date, Branch, and Commit changes. The 34 version is in the file source/config/vpx_version.h 35 36 4. Commit the changes in root (I.e README & .gypi files), source/libvpx, and 37 source/config directories. The commit message should look like this: 38 libvpx: Pull from upstream 39 40 Current HEAD: <hash> 41 42 git log from upstream: 43 a6b2070 <git commit message 1> 44 08dabbc <git commit message 2> 45 c29fb02 <git commit message 3> 46 47 Tools needed to build libvpx: 48 49 - generate_gypi.sh 50 51 Generate config and .gypi files that contain the source list for each platform. 52 Configuration for the build is taken from vpx_config.h for each platform. 53 54 - lint_config.sh 55 56 A tool to verify vpx_config.h and vpx_config.asm are matched. This also 57 prints the final configuration after checking. 58 59 - unpack_lib_posix.sh 60 61 Unpack a static library of .a type. This tool takes a list of possible 62 locations of the library file and extract the content. 63 64 - copy_obj.py 65 66 A copy utility from a list of candidate locations. 67
