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Use symlinking for dependency on libvpx

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As opposed to in-source git-clone.

PiperOrigin-RevId: 344525899
This commit is contained in:
aquilescanta 2020-11-27 14:28:41 +00:00 committed by Ian Baker
parent 4446e2637d
commit e4adf99ac0
1 changed files with 11 additions and 13 deletions
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24
extensions/vp9/README.md
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@ -35,25 +35,23 @@ VP9_EXT_PATH="${EXOPLAYER_ROOT}/extensions/vp9/src/main"
NDK_PATH="<path to Android NDK>"
```
* Fetch libvpx:
```
cd "${VP9_EXT_PATH}/jni" && \
git clone https://chromium.googlesource.com/webm/libvpx libvpx
```
* Checkout an appropriate branch of libvpx. We cannot guarantee compatibility
* Fetch an appropriate branch of libvpx. We cannot guarantee compatibility
with all versions of libvpx. We currently recommend version 1.8.0:
```
cd "${VP9_EXT_PATH}/jni/libvpx" && \
git checkout tags/v1.8.0 -b v1.8.0
cd "<preferred location for libvpx>" && \
git clone https://chromium.googlesource.com/webm/libvpx && \
cd libvpx && \
git checkout tags/v1.8.0 -b v1.8.0 && \
LIBVPX_PATH="$(pwd)"
```
* Run a script that generates necessary configuration files for libvpx:
* Add a link to the libvpx source code in the vp9 extension `jni` directory and
run a script that generates necessary configuration files for libvpx:
```
cd ${VP9_EXT_PATH}/jni && \
ln -s "$LIBVPX_PATH" libvpx && \
./generate_libvpx_android_configs.sh
```
@ -80,8 +78,8 @@ should be possible to follow the Linux instructions in [Windows PowerShell][].
* Android config scripts should be re-generated by running
`generate_libvpx_android_configs.sh`
* Clean and re-build the project.
* If you want to use your own version of libvpx, place it in
`${VP9_EXT_PATH}/jni/libvpx`. Please note that
* If you want to use your own version of libvpx, refer to it using the a symlink
in `${VP9_EXT_PATH}/jni/libvpx`. Please note that
`generate_libvpx_android_configs.sh` and the makefiles may need to be modified
to work with arbitrary versions of libvpx.