Hi *: I have to ask after trying to do it in many ways, checking all kinds of posts, searching and following guidelines.
https://trac.ffmpeg.org/wiki/Capture/Desktop https://wiki.ubuntuusers.de/Videograbbing/ I am running: $ uname -a Linux niggahme 4.9.0-9-amd64 #1 SMP Debian 4.9.168-1+deb9u2 (2019-05-13) x86_64 GNU/Linux on an "old" X130e Thinkpad which has 4 Gb of RAM. Nothing is listed under: # ls -l /dev/video* ls: cannot access '/dev/video*': No such file or directory # As I remember, some time ago I had to do some kernel tinkering in order to make the screen work fine on Linux: # lshw -class cpu *-cpu description: CPU product: AMD E-450 APU with Radeon(tm) HD Graphics vendor: Advanced Micro Devices [AMD] physical id: 2e bus info: cpu@0 version: AMD E-450 APU with Radeon(tm) HD Graphics slot: Socket FT1 size: 1650MHz capacity: 1650MHz width: 64 bits clock: 100MHz capabilities: x86-64 fpu fpu_exception wp vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 ht syscall nx mmxext fxsr_opt pdpe1gb rdtscp constant_tsc rep_good nopl nonstop_tsc extd_apicid aperfmperf pni monitor ssse3 cx16 popcnt lahf_lm cmp_legacy svm extapic cr8_legacy abm sse4a misalignsse 3dnowprefetch ibs skinit wdt hw_pstate vmmcall arat npt lbrv svm_lock nrip_save pausefilter cpufreq configuration: cores=2 enabledcores=2 threads=2 # # lshw -class display *-display description: VGA compatible controller product: Wrestler [Radeon HD 6320] vendor: Advanced Micro Devices, Inc. [AMD/ATI] physical id: 1 bus info: pci@0000:00:01.0 version: 00 width: 32 bits clock: 33MHz capabilities: pm pciexpress msi vga_controller bus_master cap_list rom configuration: driver=radeon latency=0 resources: irq:25 memory:e0000000-efffffff ioport:3000(size=256) memory:f0300000-f033ffff memory:c0000-dffff # this are the sound cards on the X130e: # lshw -class sound *-multimedia:0 description: Audio device product: Wrestler HDMI Audio vendor: Advanced Micro Devices, Inc. [AMD/ATI] physical id: 1.1 bus info: pci@0000:00:01.1 version: 00 width: 32 bits clock: 33MHz capabilities: pm pciexpress msi bus_master cap_list configuration: driver=snd_hda_intel latency=0 resources: irq:24 memory:f0344000-f0347fff *-multimedia:1 description: Audio device product: SBx00 Azalia (Intel HDA) vendor: Advanced Micro Devices, Inc. [AMD/ATI] physical id: 14.2 bus info: pci@0000:00:14.2 version: 40 width: 64 bits clock: 33MHz capabilities: pm bus_master cap_list configuration: driver=snd_hda_intel latency=64 resources: irq:16 memory:f0340000-f0343fff # $ cat /proc/asound/cards 0 [Generic ]: HDA-Intel - HD-Audio Generic HD-Audio Generic at 0xf0344000 irq 24 1 [SB ]: HDA-Intel - HDA ATI SB HDA ATI SB at 0xf0340000 irq 16 this is what ffmpeg supports on my installation: $ ffmpeg -devices ffmpeg version 3.2.14-1~deb9u1 Copyright (c) 2000-2019 the FFmpeg developers built with gcc 6.3.0 (Debian 6.3.0-18+deb9u1) 20170516 configuration: --prefix=/usr --extra-version='1~deb9u1' --toolchain=hardened --libdir=/usr/lib/x86_64-linux-gnu --incdir=/usr/include/x86_64-linux-gnu --enable-gpl --disable-stripping --enable-avresample --enable-avisynth --enable-gnutls --enable-ladspa --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca --enable-libcdio --enable-libebur128 --enable-libflite --enable-libfontconfig --enable-libfreetype --enable-libfribidi --enable-libgme --enable-libgsm --enable-libmp3lame --enable-libopenjpeg --enable-libopenmpt --enable-libopus --enable-libpulse --enable-librubberband --enable-libshine --enable-libsnappy --enable-libsoxr --enable-libspeex --enable-libssh --enable-libtheora --enable-libtwolame --enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx265 --enable-libxvid --enable-libzmq --enable-libzvbi --enable-omx --enable-openal --enable-opengl --enable-sdl2 --enable-libdc1394 --enable-libiec61883 --enable-chromaprint --enable-frei0r --enable-libopencv --enable-libx264 --enable-shared libavutil 55. 34.101 / 55. 34.101 libavcodec 57. 64.101 / 57. 64.101 libavformat 57. 56.101 / 57. 56.101 libavdevice 57. 1.100 / 57. 1.100 libavfilter 6. 65.100 / 6. 65.100 libavresample 3. 1. 0 / 3. 1. 0 libswscale 4. 2.100 / 4. 2.100 libswresample 2. 3.100 / 2. 3.100 libpostproc 54. 1.100 / 54. 1.100 Devices: D. = Demuxing supported .E = Muxing supported -- DE alsa ALSA audio output E caca caca (color ASCII art) output device D dv1394 DV1394 A/V grab DE fbdev Linux framebuffer D iec61883 libiec61883 (new DV1394) A/V input device D jack JACK Audio Connection Kit D lavfi Libavfilter virtual input device D libcdio D libdc1394 dc1394 v.2 A/V grab D openal OpenAL audio capture device E opengl OpenGL output DE oss OSS (Open Sound System) playback DE pulse Pulse audio output E sdl,sdl2 SDL2 output device DE sndio sndio audio playback E v4l2 Video4Linux2 output device D video4linux2,v4l2 Video4Linux2 device grab D x11grab X11 screen capture, using XCB E xv XV (XVideo) output device $ and this is the netbook's screen size: $ _SCREEN_SIZE=$(xrandr | grep '*' | awk '{print $1}') $ echo "// __ \$_SCREEN_SIZE: |$_SCREEN_SIZE|" // __ $_SCREEN_SIZE: |1280x720| How can I make a video from what is displayed on the screen using ffmpeg, aconv or whatever? lbrtcxh:debian-user:trying to grab video of screen on a Thinkpad x130e netbook . . .
