env PULSE_LATENCY_MSEC=2 ffmpeg -vsync -1 -loglevel 32 -stats -vaapi_device /dev/dri/renderD128 -hwaccel vaapi -hwaccel_output_format vaapi -thread_queue_size 3072 -f pulse -channels 2 -i alsa_output.pci-0000_00_1f.3.analog-stereo.monitor -thread_queue_size 3072 -f pulse -channels 1 -i alsa_input.pci-0000_00_1f.3.analog-stereo -filter_complex amix=inputs=2 -r 30 -thread_queue_size 3072 -f x11grab -s 1366x768 -i :0.0+0,0 -acodec libopus -application lowdelay -vf format=nv12,hwupload -vcodec vp8_vaapi -threads 4 -f webm -flags +global_header TEST002.webm
ffmpeg version 3.4.2-1build1 Copyright (c) 2000-2018 the FFmpeg developers
built with gcc 7 (Ubuntu 7.3.0-5ubuntu1)
configuration: --prefix=/usr --extra-version=1build1 --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-libflite --enable-libfontconfig --enable-libfreetype --enable-libfribidi --enable-libgme --enable-libgsm --enable-libmp3lame --enable-libmysofa --enable-libopenjpeg --enable-libopenmpt --enable-libopus --enable-libpulse --enable-librubberband --enable-librsvg --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-libxml2 --enable-libxvid --enable-libzmq --enable-libzvbi --enable-omx --enable-openal --enable-opengl --enable-sdl2 --enable-libdc1394 --enable-libdrm --enable-libiec61883 --enable-chromaprint --enable-frei0r --enable-libopencv --enable-libx264 --enable-shared
WARNING: library configuration mismatch
avcodec configuration: --prefix=/usr --extra-version=1build1 --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-libflite --enable-libfontconfig --enable-libfreetype --enable-libfribidi --enable-libgme --enable-libgsm --enable-libmp3lame --enable-libmysofa --enable-libopenjpeg --enable-libopenmpt --enable-libopus --enable-libpulse --enable-librubberband --enable-librsvg --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-libxml2 --enable-libxvid --enable-libzmq --enable-libzvbi --enable-omx --enable-openal --enable-opengl --enable-sdl2 --enable-libdc1394 --enable-libdrm --enable-libiec61883 --enable-chromaprint --enable-frei0r --enable-libopencv --enable-libx264 --enable-shared --enable-version3 --disable-doc --disable-programs --enable-libopencore_amrnb --enable-libopencore_amrwb --enable-libtesseract --enable-libvo_amrwbenc
libavutil 55. 78.100 / 55. 78.100
libavcodec 57.107.100 / 57.107.100
libavformat 57. 83.100 / 57. 83.100
libavdevice 57. 10.100 / 57. 10.100
libavfilter 6.107.100 / 6.107.100
libavresample 3. 7. 0 / 3. 7. 0
libswscale 4. 8.100 / 4. 8.100
libswresample 2. 9.100 / 2. 9.100
libpostproc 54. 7.100 / 54. 7.100
Guessed Channel Layout for Input Stream #0.0 : stereo
Input #0, pulse, from 'alsa_output.pci-0000_00_1f.3.analog-stereo.monitor':
Duration: N/A, start: 1523539668.923665, bitrate: 1536 kb/s
Stream #0:0: Audio: pcm_s16le, 48000 Hz, stereo, s16, 1536 kb/s
Guessed Channel Layout for Input Stream #1.0 : mono
Input #1, pulse, from 'alsa_input.pci-0000_00_1f.3.analog-stereo':
Duration: N/A, start: 1523539669.269569, bitrate: 768 kb/s
Stream #1:0: Audio: pcm_s16le, 48000 Hz, mono, s16, 768 kb/s
[x11grab @ 0x555fe3af68a0] Stream #0: not enough frames to estimate rate; consider increasing probesize
Input #2, x11grab, from ':0.0+0,0':
Duration: N/A, start: 1523539669.304147, bitrate: N/A
Stream #2:0: Video: rawvideo (BGR[0] / 0x524742), bgr0, 1366x768, 30 fps, 1000k tbr, 1000k tbn, 1000k tbc
Stream mapping:
Stream #0:0 (pcm_s16le) -> amix:input0 (graph 0)
Stream #1:0 (pcm_s16le) -> amix:input1 (graph 0)
amix (graph 0) -> Stream #0:0 (libopus)
Stream #2:0 -> #0:1 (rawvideo (native) -> vp8 (vp8_vaapi))
Press [q] to stop, [?] for help
[libopus @ 0x555fe3b02900] No bit rate set. Defaulting to 96000 bps.
[swscaler @ 0x555fe3b519e0] Warning: data is not aligned! This can lead to a speed loss
Output #0, webm, to 'TEST002.webm':
Metadata:
encoder : Lavf57.83.100
Stream #0:0: Audio: opus (libopus), 48000 Hz, stereo, flt, 96 kb/s (default)
Metadata:
encoder : Lavc57.107.100 libopus
Stream #0:1: Video: vp8 (vp8_vaapi), vaapi_vld, 1366x768, q=2-31, 30 fps, 1k tbn, 30 tbc
Metadata:
encoder : Lavc57.107.100 vp8_vaapi
frame= 2169 fps= 30 q=-0.0 Lsize= 10447kB time=00:01:12.31 bitrate=1183.4kbits/s speed= 1x
video:9714kB audio:692kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.395002%