Android video player based on ffmpeg
git clone --recursive [email protected]/xxx.git
Install pkg-config
sudo apt-get install pkg-config build-essentials
cd app/src/main/jni
./build_library.sh
Most probably, something similar to the following error might occur when running
./gradlew build to build the app:
/home/yourname/sdk/ndk/21.1.6352462/toolchains/llvm/prebuilt/linux-x86_64/lib/gcc/aarch64-linux-android/4.9.x/../../../../aarch64-linux-android/bin/ld: cannot find -lavresample
/home/yourname/sdk/ndk/21.1.6352462/toolchains/llvm/prebuilt/linux-x86_64/lib/gcc/aarch64-linux-android/4.9.x/../../../../aarch64-linux-android/bin/ld: cannot find -lavutil
More info can be found through the prompt:
ninja: Entering directory `/home/yourname/ztplayer/app/.cxx/cmake/debug/arm64-v8a'
The reason might be that the link parameters of ffmpeg related libraries (injected by opencv? not sure) is just
like -lavsample -lavresample. However, the linker can't find the related libavutil.so and libavsample.so.
So, after building the underlying libraries, the ffmpeg libraries might be required to be copied or link to:
sdk/ndk/21.1.6352462/toolchains/llvm/prebuilt/linux-x86_64/sysroot/usr/lib/aarch64-linux-android/26/
According to the ./gradlew build error message. E.g.
cd ~/sdk/ndk/21.1.6352462/toolchains/llvm/prebuilt/linux-x86_64/sysroot/usr/lib/aarch64-linux-android/26/
ln ~/path/to/your/ffmpeg/lib/libavutil.so .
ln ~/path/to/your/ffmpeg/lib/libavresample.so .
After jni libraries are built, the app can be built with
./gradlew build