ffmpeg -rtsp_transport tcp -i rtsp://admin:[email protected]:554/Streaming/Channels/101 -y -f image2 -vframes 1 –

日志

Error: unable to open display  ffmpeg version n4.3.1 Copyright (c) 2000-2020 the FFmpeg developers   built with gcc 7 (Ubuntu 7.5.0-3ubuntu1~18.04)   configuration: --prefix= --prefix=/usr --disable-debug --disable-doc --disable-static --enable-cuda --enable-cuda-sdk --enable-cuvid --enable-libdrm --enable-ffplay --enable-gnutls --enable-gpl --enable-libass --enable-libfdk-aac --enable-libfontconfig --enable-libfreetype --enable-libmp3lame --enable-libnpp --enable-libopencore_amrnb --enable-libopencore_amrwb --enable-libopus --enable-libpulse --enable-sdl2 --enable-libspeex --enable-libtheora --enable-libtwolame --enable-libv4l2 --enable-libvorbis --enable-libvpx --enable-libx264 --enable-libx265 --enable-libxcb --enable-libxvid --enable-nonfree --enable-nvenc --enable-omx --enable-openal --enable-opencl --enable-runtime-cpudetect --enable-shared --enable-vaapi --enable-vdpau --enable-version3 --enable-xlib   libavutil      56. 51.100 / 56. 51.100   libavcodec     58. 91.100 / 58. 91.100   libavformat    58. 45.100 / 58. 45.100   libavdevice    58. 10.100 / 58. 10.100   libavfilter     7. 85.100 /  7. 85.100   libswscale      5.  7.100 /  5.  7.100   libswresample   3.  7.100 /  3.  7.100   libpostproc    55.  7.100 / 55.  7.100 rtsp://admin:[email protected]:554/Streaming/Channels/101: Invalid data found when processing input 

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