FFMPEG编译ffplay

关键就是要有SDL

• 安装SDL（失败）

yum install -y SDL-devel

• 编译SDL2（成功）

https://blog.csdn.net/quantum7/article/details/104173159

• 编译参数

# export is must use
export PKG_CONFIG_PATH=/usr/local/lib/pkgconfig:${PKG_CONFIG_PATH}

pkg-config --modversion ffnvcodec

CUDA_PATH=nvcc=/usr/local/cuda-11.0

make clean

export ECFLAG="-fPIC"
./configure \
     --extra-cflags="-I/usr/local/cuda/include -fPIC " \
    --extra-ldflags="-L/usr/local/cuda/lib64   -ldl " \
    --pkg-config-flags=--static \
    --enable-shared \
    --enable-static \
    --enable-sdl \
    --enable-gpl --enable-libx264 \
    --enable-cuvid --enable-nvenc --enable-nonfree \
    --nvcc=${CUDA_PATH}/bin/nvcc

make

sudo make install

• 测试

ffplay -codec:v h264_cuvid ../../Safari.mp4

# nvidia-smi -l 1