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Diffstat (limited to 'media/libdav1d/README_MOZILLA')
| -rw-r--r-- | media/libdav1d/README_MOZILLA | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/media/libdav1d/README_MOZILLA b/media/libdav1d/README_MOZILLA new file mode 100644 index 0000000000..212e629418 --- /dev/null +++ b/media/libdav1d/README_MOZILLA @@ -0,0 +1,40 @@ +This directory contains build files for dav1d. The actual library +source is in $TOPSRCDIR/third_party/dav1d/ + +Any patches or additional configuration to be applied to the +upstream source should be kept here in the media/libdav1d +directory. + +To update the library source and build config files, execute + + ./mach vendor media/libdav1d/moz.yaml + +To update to a specific upstream git tag or commit, use + + ./mach vendor media/libdav1d/moz.yaml -r <commit> + +The upstream git repository is https://code.videolan.org/videolan/dav1d + +To update to a fork, use + + ./mach vendor media/libdav1d/moz.yaml --repo <repository url> [-r <commit>] + + +The rough steps are: +- Execute ./mach vendor media/libdav1d/moz.yaml -r {tag-name} # ex: ./mach vendor media/libdav1d/moz.yaml -r 0.6.0 +- Update ./moz.build and ./asm/moz.build to add new files and remove deleted ones using + third_party/dav1d/src/meson.build as a guide (confirm with the diff) (note the + empty .asm file in x86_64) +- Clone the tag from the dav1d repo and build a stand-alone libdav1d following the steps here: + https://code.videolan.org/videolan/dav1d#compile +- Copy vcs_version.h from the local build/include/vcs_version.h + to media/libdav1d/vcs_version.h +- Copy version.h from local build/include/dav1d/version.h to + media/libdav1d/version.h +- Add new options, if any, in moz.build or config.h + +Tips: +- If you see build failures in build-linux64-base-toolchains (or + similar jobs) dav1d may now require a higher minimum nasm version + than our base toolchains currently support. A bug updating the + minimum nasm version will probably be necessary. |