docs/Submodules.txt


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Prerequisites
Add a new remote to LAV Filters and FFmpeg submodules:
 - for LAV Filters, "git remote add upstream https://github.com/Nevcairiel/LAVFilters.git" in src/thirdparty/LAVFilters/src
 - for FFmpeg, "git remote add upstream git://git.1f0.de/ffmpeg.git" in src/thirdparty/LAVFilters/src/ffmpeg

Warning:
Before updating LAV Filters always makes sure that no update is required on MPC-HC side.
If there are some changes in LAV Filters interfaces or settings, some changes are likely
to be needed in MPC-HC. If the update breaks compatibility with older LAV Filters versions,
remember to update the version check in FGFilterLAV.cpp.

How to update LAV Filters
 1) Checkout the master branch in FFmpeg submodule (src/thirdparty/LAVFilters/src/ffmpeg)
 2) Do "git remote update" to update remotes
 3) Do "git reset origin/master --hard" to cleanup local repository (beware you will lose all local commits)
 4) Do "git rebase upstream/master" to update FFmpeg
 5) Apply new custom patches if any
 6) Do "git tag mpc-hc-X.Y.Z-N" where X.Y.Z is the latest MPC-HC version 
    and N is the number of LAV Filters updates since that release
 7) Do "git push --force --tags origin master" to update our FFmpeg repository
 8) Checkout the master branch in LAV Filters submodule (src/thirdparty/LAVFilters/src)
 9) Do "git remote update" to update remotes
10) Do "git reset origin/master --hard" to cleanup local repository (beware you will lose all local commits)
11) Do "git rebase upstream/master" to update LAV Filters
12) Apply new custom patches if any
13) Do "git tag mpc-hc-X.Y.Z-N" where X.Y.Z is the latest MPC-HC version 
    and N is the number of LAV Filters updates since that release
14) Do "git push --force --tags origin master" to update our LAV Filters repository
15) Update LAV Filters version in versions.txt
16) Commit the submodule update in MPC-HC repository