ffmpeg version 3.4.2 Copyright (c) 2000-2018 the FFmpeg developers built with gcc 7.3.0 (GCC) configuration: --prefix=/usr --disable-debug --disable-static --disable-stripping --enable-avisynth --enable-avresample --enable-fontconfig --enable-gmp --enable-gnutls --enable-gpl --enable-ladspa --enable-libass --enable-libbluray --enable-libfreetype --enable-libfribidi --enable-libgsm --enable-libiec61883 --enable-libmodplug --enable-libmp3lame --enable-libopencore_amrnb --enable-libopencore_amrwb --enable-libopenjpeg --enable-libopus --enable-libpulse --enable-libsoxr --enable-libspeex --enable-libssh --enable-libtheora --enable-libv4l2 --enable-libvidstab --enable-libvorbis --enable-libvpx --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxcb --enable-libxml2 --enable-libxvid --enable-shared --enable-version3 --enable-omx 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 [x11grab @ 0x55c53d782d00] Stream #0: not enough frames to estimate rate; consider increasing probesize Input #0, x11grab, from ':0': Duration: N/A, start: 1521525601.611643, bitrate: N/A Stream #0:0: Video: rawvideo (BGR[0] / 0x524742), bgr0, 2560x1440, 29.97 fps, 1000k tbr, 1000k tbn, 1000k tbc Guessed Channel Layout for Input Stream #1.0 : stereo Input #1, pulse, from 'default': Duration: N/A, start: 1521525601.637345, bitrate: 1536 kb/s Stream #1:0: Audio: pcm_s16le, 48000 Hz, stereo, s16, 1536 kb/s Stream mapping: Stream #0:0 -> #0:0 (rawvideo (native) -> h264 (h264_vaapi)) Stream #1:0 -> #0:1 (pcm_s16le (native) -> aac (native)) Press [q] to stop, [?] for help Output #0, mp4, to '/home/hendry/recordmydesktop2.0/1521525601.mp4': Metadata: encoder : Lavf57.83.100 Stream #0:0: Video: h264 (h264_vaapi) (High) (avc1 / 0x31637661), vaapi_vld(progressive), 2560x1440, q=0-31, 29.97 fps, 30k tbn, 29.97 tbc Metadata: encoder : Lavc57.107.100 h264_vaapi Stream #0:1: Audio: aac (LC) (mp4a / 0x6134706D), 48000 Hz, stereo, fltp, 128 kb/s Metadata: encoder : Lavc57.107.100 aac frame= 40 fps=0.0 q=-0.0 size= 256kB time=00:00:01.21 bitrate=1724.9kbits/s dup=38 drop=0 speed=2.41x frame= 40 fps= 40 q=-0.0 size= 256kB time=00:00:01.21 bitrate=1724.9kbits/s dup=38 drop=0 speed= 1.2x [x11grab @ 0x55c53d782d00] Thread message queue blocking; consider raising the thread_queue_size option (current value: 8) Past duration 0.616356 too large frame= 80 fps= 53 q=-0.0 size= 256kB time=00:00:02.53 bitrate= 827.1kbits/s dup=71 drop=3 speed=1.67x frame= 80 fps= 40 q=-0.0 size= 256kB time=00:00:02.53 bitrate= 827.1kbits/s dup=71 drop=3 speed=1.25x frame= 80 fps= 32 q=-0.0 size= 256kB time=00:00:02.53 bitrate= 827.1kbits/s dup=71 drop=3 speed= 1x Past duration 0.823540 too large frame= 124 fps= 41 q=-0.0 size= 256kB time=00:00:04.00 bitrate= 523.9kbits/s dup=106 drop=4 speed=1.32x frame= 124 fps= 35 q=-0.0 size= 512kB time=00:00:04.01 bitrate=1044.0kbits/s dup=106 drop=4 speed=1.13x frame= 124 fps= 31 q=-0.0 size= 512kB time=00:00:04.01 bitrate=1044.0kbits/s dup=106 drop=4 speed=0.992x Past duration 0.827415 too large frame= 170 fps= 36 q=-0.0 size= 512kB time=00:00:05.53 bitrate= 757.3kbits/s dup=142 drop=4 speed=1.16x frame= 170 fps= 32 q=-0.0 size= 512kB time=00:00:05.53 bitrate= 757.3kbits/s dup=142 drop=4 speed=1.05x frame= 170 fps= 29 q=-0.0 size= 512kB time=00:00:05.53 bitrate= 757.3kbits/s dup=142 drop=4 speed=0.96x Past duration 0.864403 too large frame= 215 fps= 34 q=-0.0 size= 512kB time=00:00:07.04 bitrate= 595.8kbits/s dup=178 drop=5 speed=1.12x frame= 215 fps= 32 q=-0.0 size= 512kB time=00:00:07.04 bitrate= 595.8kbits/s dup=178 drop=5 speed=1.04x frame= 216 fps= 30 q=-0.0 size= 512kB time=00:00:07.29 bitrate= 574.7kbits/s dup=178 drop=5 speed= 1x Past duration 0.660454 too large Past duration 0.765984 too large Past duration 0.996574 too large Past duration 0.998009 too large frame= 259 fps= 33 q=-0.0 size= 768kB time=00:00:08.51 bitrate= 738.9kbits/s dup=212 drop=5 speed=1.09x frame= 259 fps= 31 q=-0.0 size= 768kB time=00:00:08.51 bitrate= 738.9kbits/s dup=212 drop=5 speed=1.02x frame= 260 fps= 29 q=-0.0 size= 1024kB time=00:00:08.85 bitrate= 947.3kbits/s dup=212 drop=5 speed= 1x Past duration 0.807426 too large Past duration 0.839592 too large frame= 305 fps= 33 q=-0.0 size= 1024kB time=00:00:10.04 bitrate= 835.3kbits/s dup=249 drop=6 speed=1.08x frame= 305 fps= 31 q=-0.0 size= 1024kB time=00:00:10.04 bitrate= 835.3kbits/s dup=249 drop=6 speed=1.02x Past duration 0.913139 too large frame= 307 fps= 30 q=-0.0 size= 1024kB time=00:00:10.35 bitrate= 810.5kbits/s dup=249 drop=6 speed= 1x frame= 349 fps= 32 q=-0.0 size= 1024kB time=00:00:11.52 bitrate= 728.0kbits/s dup=284 drop=7 speed=1.06x frame= 349 fps= 31 q=-0.0 size= 1024kB time=00:00:11.52 bitrate= 728.0kbits/s dup=284 drop=7 speed=1.02x frame= 351 fps= 30 q=-0.0 size= 1024kB time=00:00:11.86 bitrate= 707.0kbits/s dup=284 drop=7 speed= 1x Past duration 0.602470 too large Past duration 0.948387 too large frame= 395 fps= 32 q=-0.0 size= 1280kB time=00:00:13.04 bitrate= 803.8kbits/s dup=320 drop=7 speed=1.06x frame= 395 fps= 31 q=-0.0 size= 1280kB time=00:00:13.04 bitrate= 803.8kbits/s dup=320 drop=7 speed=1.01x Past duration 0.928185 too large frame= 399 fps= 30 q=-0.0 size= 1280kB time=00:00:13.35 bitrate= 785.0kbits/s dup=320 drop=7 speed=0.998x frame= 439 fps= 32 q=-0.0 size= 1280kB time=00:00:14.51 bitrate= 722.5kbits/s dup=355 drop=8 speed=1.05x frame= 439 fps= 31 q=-0.0 size= 1280kB time=00:00:14.51 bitrate= 722.5kbits/s dup=355 drop=8 speed=1.01x Past duration 0.894676 too large frame= 443 fps= 30 q=-0.0 size= 1280kB time=00:00:14.65 bitrate= 715.3kbits/s dup=355 drop=8 speed=0.984x [mp4 @ 0x55c53d7c4e60] Starting second pass: moving the moov atom to the beginning of the file Invalid return value 0 for stream protocol frame= 484 fps= 30 q=-0.0 Lsize= 1821kB time=00:00:16.08 bitrate= 927.4kbits/s dup=391 drop=9 speed=0.986x video:1556kB audio:246kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.996937% [aac @ 0x55c53d7c8b80] Qavg: 647.777 Exiting normally, received signal 2.