ubuntu18下编译ffmpeg，启用cuda和qsv

// 安装yasm
sudo apt-get install yasm

// NVIDIA VIDEO CODEC SDK headers
git clone https://git.videolan.org/git/ffmpeg/nv-codec-headers.git
make
sudo make install

git clone https://git.ffmpeg.org/ffmpeg.git

启用cuda
./configure --enable-cuda --enable-cuvid --enable-nvenc --enable-nonfree --enable-libnpp --extra-cflags=-I/usr/local/cuda/include --extra-ldflags=-L/usr/local/cuda/lib64 --prefix=/opt/ffmpeg
make
sudo make install

// 查看硬解码器
ffmpeg -codecs | grep cuvid

// 查看硬编码器
ffmpeg -codecs | grep nvenc

启用intel QSV

       1.安装intel media sdk ，官网下载后直接双击安装即可

       2.下载mfx源码： https://github.com/lu-zero/mfx_dispatch.git，下载完成后使用msys2进行编译，分别执行以下命令

autoreconf -i
./configure --prefix=/mingw64
make -j$(nproc) install

./configure --enable-libmfx --enable-encoder=h264_qsv --enable-decoder=h264_qsv --prefix=/opt/ffmpeg

./configure --enable-shared --disable-x86asm --disable-lzma --enable-pic --extra-cflags=-fPIC --extra-cxxflags=-fPIC --enable-libmfx --enable-nonfree --enable-encoder=h264_qsv --enable-decoder=h264_qsv --enable-libv4l2 --prefix=/opt/ffmpeg

make
sudo make install

ffmpeg -codecs | grep qsv

ffmpeg -codecs| grep qsv
ffmpeg version 4.1.3 Copyright (c) 2000-2019 the FFmpeg developers
  built with gcc 7 (Ubuntu 7.4.0-1ubuntu1~18.04.1)
  configuration: --enable-libmfx --enable-encoder=h264_qsv --enable-decoder=h264_qsv --prefix=/opt/ffmpeg
  libavutil      56. 22.100 / 56. 22.100
  libavcodec     58. 35.100 / 58. 35.100
  libavformat    58. 20.100 / 58. 20.100
  libavdevice    58.  5.100 / 58.  5.100
  libavfilter     7. 40.101 /  7. 40.101
  libswscale      5.  3.100 /  5.  3.100
  libswresample   3.  3.100 /  3.  3.100
 DEV.LS h264                 H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10 (decoders: h264 h264_v4l2m2m h264_qsv h264_cuvid ) (encoders: h264_nvenc h264_qsv h264_v4l2m2m h264_vaapi nvenc nvenc_h264 )
 DEV.L. hevc                 H.265 / HEVC (High Efficiency Video Coding) (decoders: hevc hevc_qsv hevc_cuvid ) (encoders: nvenc_hevc hevc_nvenc hevc_qsv hevc_vaapi )
 DEVIL. mjpeg                Motion JPEG (decoders: mjpeg mjpeg_cuvid ) (encoders: mjpeg mjpeg_qsv mjpeg_vaapi )
 DEV.L. mpeg2video           MPEG-2 video (decoders: mpeg2video mpegvideo mpeg2_v4l2m2m mpeg2_qsv mpeg2_cuvid ) (encoders: mpeg2video mpeg2_qsv mpeg2_vaapi )
 D.V.L. vc1                  SMPTE VC-1 (decoders: vc1 vc1_qsv vc1_v4l2m2m vc1_cuvid )
 DEV.L. vp8                  On2 VP8 (decoders: vp8 vp8_v4l2m2m vp8_cuvid vp8_qsv ) (encoders: vp8_v4l2m2m vp8_vaapi )
 

ERROR: libnpp not found

• Downoad and install the CUDA Toolkit CUDA toolkit

最后

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