交叉编译ffmpeg for NVIDIA JETSON AGX XAVIER

#--------------------

1 交叉编译工具链

参考网页：https://developer.nvidia.com/embedded/downloads#?tx=$product,jetson_agx_xavier

下载

1. wget -c --no-check-certificate -O gcc-linaro-7.3.1-2018.05-x86_64_aarch64-linux-gnu.tar.xz https://developer.nvidia.com/embedded/dlc/l4t-gcc-7-3-1-toolchain-64-bit
2. tar Jxvf gcc-linaro-7.3.1-2018.05-x86_64_aarch64-linux-gnu.tar.xz
3. export PATH=\$(pwd)/gcc-linaro-7.3.1-2018.05-x86_64_aarch64-linux-gnu/bin:\$PATH

#--------------------

2 交叉编译ffmpeg4.2

获取源文件

wget -c --no-check-certificate https://ffmpeg.org/releases/ffmpeg-4.2.1.tar.gz

解压

tar zxvf https://ffmpeg.org/releases/ffmpeg-4.2.1.tar.gz