ffmpeg version 3.4-1~16.04.york0 Copyright (c) 2000-2017 the FFmpeg developers
  built with gcc 5.4.0 (Ubuntu 5.4.0-6ubuntu1~16.04.5) 20160609
  configuration: --prefix=/usr --extra-version='1~16.04.york0' --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-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. 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
Splitting the commandline.
Reading option '-y' ... matched as option 'y' (overwrite output files) with argument '1'.
Reading option '-v' ... matched as option 'v' (set logging level) with argument 'debug'.
Reading option '-f' ... matched as option 'f' (force format) with argument 'v4l2'.
Reading option '-input_format' ... matched as AVOption 'input_format' with argument 'mjpeg'.
Reading option '-s' ... matched as option 's' (set frame size (WxH or abbreviation)) with argument 'uhd2160'.
Reading option '-i' ... matched as input url with argument '/dev/video0'.
Reading option '-f' ... matched as option 'f' (force format) with argument 'pulse'.
Reading option '-channels' ... matched as AVOption 'channels' with argument '1'.
Reading option '-i' ... matched as input url with argument 'default'.
Reading option 'video.mp4' ... matched as output url.
Finished splitting the commandline.
Parsing a group of options: global .
Applying option y (overwrite output files) with argument 1.
Applying option v (set logging level) with argument debug.
Successfully parsed a group of options.
Parsing a group of options: input url /dev/video0.
Applying option f (force format) with argument v4l2.
Applying option s (set frame size (WxH or abbreviation)) with argument uhd2160.
Successfully parsed a group of options.
Opening an input file: /dev/video0.
[video4linux2,v4l2 @ 0x563408265680] fd:4 capabilities:84200001
[video4linux2,v4l2 @ 0x563408265680] Current input_channel: 0, input_name: Camera 1, input_std: 0
[mjpeg @ 0x563408266a20] marker=d8 avail_size_in_buf=357168
[mjpeg @ 0x563408266a20] marker parser used 0 bytes (0 bits)
[mjpeg @ 0x563408266a20] marker=e1 avail_size_in_buf=357166
[mjpeg @ 0x563408266a20] marker parser used 1130 bytes (9040 bits)
[mjpeg @ 0x563408266a20] marker=db avail_size_in_buf=356033
[mjpeg @ 0x563408266a20] index=0
[mjpeg @ 0x563408266a20] qscale[0]: 2
[mjpeg @ 0x563408266a20] index=1
[mjpeg @ 0x563408266a20] qscale[1]: 5
[mjpeg @ 0x563408266a20] marker parser used 132 bytes (1056 bits)
[mjpeg @ 0x563408266a20] marker=c4 avail_size_in_buf=355899
[mjpeg @ 0x563408266a20] marker parser used 0 bytes (0 bits)
[mjpeg @ 0x563408266a20] marker=c0 avail_size_in_buf=355479
[mjpeg @ 0x563408266a20] Changing bps from 0 to 8
[mjpeg @ 0x563408266a20] sof0: picture: 3840x2160
[mjpeg @ 0x563408266a20] component 0 2:1 id: 0 quant:0
[mjpeg @ 0x563408266a20] component 1 1:1 id: 1 quant:1
[mjpeg @ 0x563408266a20] component 2 1:1 id: 2 quant:1
[mjpeg @ 0x563408266a20] pix fmt id 21111100
[mjpeg @ 0x563408266a20] marker parser used 17 bytes (136 bits)
[mjpeg @ 0x563408266a20] escaping removed 262 bytes
[mjpeg @ 0x563408266a20] marker=da avail_size_in_buf=355460
[mjpeg @ 0x563408266a20] marker parser used 355198 bytes (2841584 bits)
[mjpeg @ 0x563408266a20] marker=d9 avail_size_in_buf=0
[mjpeg @ 0x563408266a20] decode frame unused 0 bytes
[video4linux2,v4l2 @ 0x563408265680] All info found
Input #0, video4linux2,v4l2, from '/dev/video0':
  Duration: N/A, start: 8551.630772, bitrate: N/A
    Stream #0:0, 1, 1/1000000: Video: mjpeg, 1 reference frame, yuvj422p(pc, bt470bg/unknown/unknown, center), 3840x2160, 0/1, 30 fps, 30 tbr, 1000k tbn, 1000k tbc
Successfully opened the file.
Parsing a group of options: input url default.
Applying option f (force format) with argument pulse.
Successfully parsed a group of options.
Opening an input file: default.
[pulse @ 0x563408268c60] All info found
Guessed Channel Layout for Input Stream #1.0 : mono
Input #1, pulse, from 'default':
  Duration: N/A, start: 1512322775.128868, bitrate: 768 kb/s
    Stream #1:0, 1, 1/1000000: Audio: pcm_s16le, 48000 Hz, mono, s16, 768 kb/s
Successfully opened the file.
Parsing a group of options: output url video.mp4.
Successfully parsed a group of options.
Opening an output file: video.mp4.
[file @ 0x56340827ce20] Setting default whitelist 'file,crypto'
Successfully opened the file.
Stream mapping:
  Stream #0:0 -> #0:0 (mjpeg (native) -> h264 (libx264))
  Stream #1:0 -> #0:1 (pcm_s16le (native) -> aac (native))
Press [q] to stop, [?] for help
cur_dts is invalid (this is harmless if it occurs once at the start per stream)
[mjpeg @ 0x563408267340] marker=d8 avail_size_in_buf=357168
[mjpeg @ 0x563408267340] marker parser used 0 bytes (0 bits)
[mjpeg @ 0x563408267340] marker=e1 avail_size_in_buf=357166
[mjpeg @ 0x563408267340] marker parser used 1130 bytes (9040 bits)
[mjpeg @ 0x563408267340] marker=db avail_size_in_buf=356033
[mjpeg @ 0x563408267340] index=0
[mjpeg @ 0x563408267340] qscale[0]: 2
[mjpeg @ 0x563408267340] index=1
[mjpeg @ 0x563408267340] qscale[1]: 5
[mjpeg @ 0x563408267340] marker parser used 132 bytes (1056 bits)
[mjpeg @ 0x563408267340] marker=c4 avail_size_in_buf=355899
[mjpeg @ 0x563408267340] class=0 index=0 nb_codes=12
[mjpeg @ 0x563408267340] class=1 index=0 nb_codes=251
[mjpeg @ 0x563408267340] class=0 index=1 nb_codes=12
[mjpeg @ 0x563408267340] class=1 index=1 nb_codes=251
[mjpeg @ 0x563408267340] marker parser used 418 bytes (3344 bits)
[mjpeg @ 0x563408267340] marker=c0 avail_size_in_buf=355479
[mjpeg @ 0x563408267340] sof0: picture: 3840x2160
[mjpeg @ 0x563408267340] component 0 2:1 id: 0 quant:0
[mjpeg @ 0x563408267340] component 1 1:1 id: 1 quant:1
[mjpeg @ 0x563408267340] component 2 1:1 id: 2 quant:1
[mjpeg @ 0x563408267340] pix fmt id 21111100
[mjpeg @ 0x563408267340] marker parser used 17 bytes (136 bits)
[mjpeg @ 0x563408267340] escaping removed 262 bytes
[mjpeg @ 0x563408267340] marker=da avail_size_in_buf=355460
[mjpeg @ 0x563408267340] component: 0
[mjpeg @ 0x563408267340] component: 1
[mjpeg @ 0x563408267340] component: 2
[mjpeg @ 0x563408267340] marker parser used 355197 bytes (2841571 bits)
[mjpeg @ 0x563408267340] marker=d9 avail_size_in_buf=0
[mjpeg @ 0x563408267340] decode frame unused 0 bytes
detected 8 logical cores
[graph 0 input from stream 0:0 @ 0x563408326880] Setting 'video_size' to value '3840x2160'
[graph 0 input from stream 0:0 @ 0x563408326880] Setting 'pix_fmt' to value '13'
[graph 0 input from stream 0:0 @ 0x563408326880] Setting 'time_base' to value '1/1000000'
[graph 0 input from stream 0:0 @ 0x563408326880] Setting 'pixel_aspect' to value '0/1'
[graph 0 input from stream 0:0 @ 0x563408326880] Setting 'sws_param' to value 'flags=2'
[graph 0 input from stream 0:0 @ 0x563408326880] Setting 'frame_rate' to value '30/1'
[graph 0 input from stream 0:0 @ 0x563408326880] w:3840 h:2160 pixfmt:yuvj422p tb:1/1000000 fr:30/1 sar:0/1 sws_param:flags=2
[format @ 0x5634082c67a0] compat: called with args=[yuv420p|yuvj420p|yuv422p|yuvj422p|yuv444p|yuvj444p|nv12|nv16|nv21]
[format @ 0x5634082c67a0] Setting 'pix_fmts' to value 'yuv420p|yuvj420p|yuv422p|yuvj422p|yuv444p|yuvj444p|nv12|nv16|nv21'
[AVFilterGraph @ 0x5634082c4700] query_formats: 4 queried, 3 merged, 0 already done, 0 delayed
[libx264 @ 0x56340827b440] using mv_range_thread = 88
[libx264 @ 0x56340827b440] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 AVX
[libx264 @ 0x56340827b440] profile High 4:2:2, level 5.1, 4:2:2 8-bit
[libx264 @ 0x56340827b440] 264 - core 148 r2795 aaa9aa8 - H.264/MPEG-4 AVC codec - Copyleft 2003-2017 - http://www.videolan.org/x264.html - options: cabac=1 ref=3 deblock=1:0:0 analyse=0x3:0x113 me=hex subme=7 psy=1 psy_rd=1.00:0.00 mixed_ref=1 me_range=16 chroma_me=1 trellis=1 8x8dct=1 cqm=0 deadzone=21,11 fast_pskip=1 chroma_qp_offset=-2 threads=12 lookahead_threads=2 sliced_threads=0 nr=0 decimate=1 interlaced=0 bluray_compat=0 constrained_intra=0 bframes=3 b_pyramid=2 b_adapt=1 b_bias=0 direct=1 weightb=1 open_gop=0 weightp=2 keyint=250 keyint_min=25 scenecut=40 intra_refresh=0 rc_lookahead=40 rc=crf mbtree=1 crf=23.0 qcomp=0.60 qpmin=0 qpmax=69 qpstep=4 ip_ratio=1.40 aq=1:1.00
Clipping frame in rate conversion by 0.000008
cur_dts is invalid (this is harmless if it occurs once at the start per stream)
    Last message repeated 1 times
[graph_1_in_1_0 @ 0x563408986700] Setting 'time_base' to value '1/48000'
[graph_1_in_1_0 @ 0x563408986700] Setting 'sample_rate' to value '48000'
[graph_1_in_1_0 @ 0x563408986700] Setting 'sample_fmt' to value 's16'
[graph_1_in_1_0 @ 0x563408986700] Setting 'channel_layout' to value '0x4'
[graph_1_in_1_0 @ 0x563408986700] tb:1/48000 samplefmt:s16 samplerate:48000 chlayout:0x4
[format_out_0_1 @ 0x563408986ac0] Setting 'sample_fmts' to value 'fltp'
[format_out_0_1 @ 0x563408986ac0] Setting 'sample_rates' to value '96000|88200|64000|48000|44100|32000|24000|22050|16000|12000|11025|8000|7350'
[format_out_0_1 @ 0x563408986ac0] auto-inserting filter 'auto_resampler_0' between the filter 'Parsed_anull_0' and the filter 'format_out_0_1'
[AVFilterGraph @ 0x5634082c4d60] query_formats: 4 queried, 6 merged, 3 already done, 0 delayed
[auto_resampler_0 @ 0x563408988e20] [SWR @ 0x563408989240] Using s16p internally between filters
[auto_resampler_0 @ 0x563408988e20] ch:1 chl:mono fmt:s16 r:48000Hz -> ch:1 chl:mono fmt:fltp r:48000Hz
Output #0, mp4, to 'video.mp4':
  Metadata:
    encoder         : Lavf57.83.100
    Stream #0:0, 0, 1/15360: Video: h264 (libx264), 1 reference frame (avc1 / 0x31637661), yuvj422p(pc, progressive, center), 3840x2160, 0/1, q=-1--1, 30 fps, 15360 tbn, 30 tbc
    Metadata:
      encoder         : Lavc57.107.100 libx264
    Side data:
      cpb: bitrate max/min/avg: 0/0/0 buffer size: 0 vbv_delay: -1
    Stream #0:1, 0, 1/48000: Audio: aac (LC) (mp4a / 0x6134706D), 48000 Hz, mono, fltp, delay 1024, 69 kb/s
    Metadata:
      encoder         : Lavc57.107.100 aac
cur_dts is invalid (this is harmless if it occurs once at the start per stream)
    Last message repeated 88 times
cur_dts is invalid (this is harmless if it occurs once at the start per stream)s speed=0.551x
    Last message repeated 99 times
cur_dts is invalid (this is harmless if it occurs once at the start per stream)s speed=0.275x
    Last message repeated 99 times
cur_dts is invalid (this is harmless if it occurs once at the start per stream)s speed=0.183x
    Last message repeated 99 times
cur_dts is invalid (this is harmless if it occurs once at the start per stream)s speed=0.138x
    Last message repeated 99 times
cur_dts is invalid (this is harmless if it occurs once at the start per stream)s speed=0.11x
    Last message repeated 99 times
cur_dts is invalid (this is harmless if it occurs once at the start per stream)s speed=0.0917x
    Last message repeated 99 times
cur_dts is invalid (this is harmless if it occurs once at the start per stream)s speed=0.0785x
    Last message repeated 99 times
cur_dts is invalid (this is harmless if it occurs once at the start per stream)s speed=0.0687x
    Last message repeated 99 times
cur_dts is invalid (this is harmless if it occurs once at the start per stream)s speed=0.0611x
    Last message repeated 99 times
cur_dts is invalid (this is harmless if it occurs once at the start per stream)s speed=0.055x
    Last message repeated 99 times
cur_dts is invalid (this is harmless if it occurs once at the start per stream)s speed=0.05x
    Last message repeated 99 times
cur_dts is invalid (this is harmless if it occurs once at the start per stream)s speed=0.0458x
    Last message repeated 99 times
cur_dts is invalid (this is harmless if it occurs once at the start per stream)s speed=0.0423x
    Last message repeated 99 times
cur_dts is invalid (this is harmless if it occurs once at the start per stream)s speed=0.0393x
    Last message repeated 99 times
cur_dts is invalid (this is harmless if it occurs once at the start per stream)s speed=0.0367x
^C  Last message repeated 20 times