[FFmpeg-trac] #6129(avdevice:new): Capturing screen outputs all black video (cursor is partially seen).

FFmpeg trac at avcodec.org
Sun Feb 5 15:32:27 EET 2017


#6129: Capturing screen outputs all black video (cursor is partially seen).
-------------------------------------+------------------------------------
             Reporter:  Simargol     |                    Owner:
                 Type:  defect       |                   Status:  new
             Priority:  normal       |                Component:  avdevice
              Version:  unspecified  |               Resolution:
             Keywords:  xcb          |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
-------------------------------------+------------------------------------

Comment (by Simargol):

 Everything you mentioned gives the same result for me.

 Git version:
 {{{
 $ ffmpeg -video_size 1600x900 -framerate 25 -f x11grab -i :0.0 git-
 ffmpeg_black_screen_with_cursor.mp4
 ffmpeg version N-83420-gfd57f70c97 Copyright (c) 2000-2017 the FFmpeg
 developers
   built with gcc 6.3.1 (GCC) 20170109
   configuration: --prefix=/usr --disable-debug --disable-static --enable-
 avisynth --enable-avresample --enable-fontconfig --enable-gnutls --enable-
 gpl --enable-ladspa --enable-libass --enable-libbluray --enable-
 libfreetype --enable-libfribidi --enable-libgsm --enable-libmodplug
 --enable-libmp3lame --enable-libopencore_amrnb --enable-libopencore_amrwb
 --enable-libopenjpeg --enable-libopus --enable-libfdk-aac --enable-
 libpulse --enable-libschroedinger --enable-libsoxr --enable-libspeex
 --enable-libssh --enable-libtheora --enable-libv4l2 --enable-libvidstab
 --enable-libvorbis --enable-libvpx --enable-libwebp --enable-libx264
 --enable-libx265 --enable-libxvid --enable-nonfree --enable-shared
 --enable-version3 --enable-x11grab
   libavutil      55. 46.100 / 55. 46.100
   libavcodec     57. 75.100 / 57. 75.100
   libavformat    57. 66.101 / 57. 66.101
   libavdevice    57.  2.100 / 57.  2.100
   libavfilter     6. 73.100 /  6. 73.100
   libavresample   3.  2.  0 /  3.  2.  0
   libswscale      4.  3.101 /  4.  3.101
   libswresample   2.  4.100 /  2.  4.100
   libpostproc    54.  2.100 / 54.  2.100
 [x11grab @ 0x207b580] Stream #0: not enough frames to estimate rate;
 consider increasing probesize
 Input #0, x11grab, from ':0.0':
   Duration: N/A, start: 1486298721.648585, bitrate: N/A
     Stream #0:0: Video: rawvideo (BGR[0] / 0x524742), bgr0, 1600x900, 25
 fps, 1000k tbr, 1000k tbn, 1000k tbc
 No pixel format specified, yuv444p for H.264 encoding chosen.
 Use -pix_fmt yuv420p for compatibility with outdated media players.
 [libx264 @ 0x2085ac0] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2
 AVX FMA3 AVX2 LZCNT BMI2
 [libx264 @ 0x2085ac0] profile High 4:4:4 Predictive, level 4.0, 4:4:4
 8-bit
 [libx264 @ 0x2085ac0] 264 - core 148 r2708 86b7198 - H.264/MPEG-4 AVC
 codec - Copyleft 2003-2016 - 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=4 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
 Output #0, mp4, to 'git-ffmpeg_black_screen_with_cursor.mp4':
   Metadata:
     encoder         : Lavf57.66.101
     Stream #0:0: Video: h264 (libx264) ([33][0][0][0] / 0x0021), yuv444p,
 1600x900, q=-1--1, 25 fps, 12800 tbn, 25 tbc
     Metadata:
       encoder         : Lavc57.75.100 libx264
     Side data:
       cpb: bitrate max/min/avg: 0/0/0 buffer size: 0 vbv_delay: -1
 Stream mapping:
   Stream #0:0 -> #0:0 (rawvideo (native) -> h264 (libx264))
 Press [q] to stop, [?] for help
 frame=  124 fps= 24 q=-1.0 Lsize=      15kB time=00:00:04.84 bitrate=
 25.8kbits/s speed=0.942x
 video:13kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB
 muxing overhead: 17.417463%
 [libx264 @ 0x2085ac0] frame I:1     Avg QP:16.24  size:   497
 [libx264 @ 0x2085ac0] frame P:31    Avg QP:13.92  size:   118
 [libx264 @ 0x2085ac0] frame B:92    Avg QP:14.96  size:    92
 [libx264 @ 0x2085ac0] consecutive B-frames:  0.8%  0.0%  2.4% 96.8%
 [libx264 @ 0x2085ac0] mb I  I16..4:  0.0% 99.9%  0.1%
 [libx264 @ 0x2085ac0] mb P  I16..4:  0.0%  0.0%  0.0%  P16..4:  0.0%  0.0%
 0.0%  0.0%  0.0%    skip:99.9%
 [libx264 @ 0x2085ac0] mb B  I16..4:  0.0%  0.0%  0.0%  B16..8:  0.1%  0.0%
 0.0%  direct: 0.0%  skip:99.8%  L0:61.5% L1:38.5% BI: 0.0%
 [libx264 @ 0x2085ac0] 8x8 transform intra:97.6% inter:10.5%
 [libx264 @ 0x2085ac0] coded y,u,v intra: 1.1% 0.0% 0.0% inter: 0.0% 0.0%
 0.0%
 [libx264 @ 0x2085ac0] i16 v,h,dc,p: 50%  0% 50%  0%
 [libx264 @ 0x2085ac0] i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 25%  0% 75%  0%  0%
 0%  0%  0%  0%
 [libx264 @ 0x2085ac0] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 19%  8% 55%  2%  9%
 3%  1%  1%  2%
 [libx264 @ 0x2085ac0] Weighted P-Frames: Y:0.0% UV:0.0%
 [libx264 @ 0x2085ac0] ref B L0: 66.2% 33.8%
 [libx264 @ 0x2085ac0] ref B L1: 99.6%  0.4%
 [libx264 @ 0x2085ac0] kb/s:20.34
 }}}
 Git version with loglevel 99:
 {{{
 $ ffmpeg -v 9 -loglevel 99 -video_size 1600x900 -framerate 25 -f x11grab
 -i :0.0 git-ffmpeg_black_screen_with_cursor2.mp4
 ffmpeg version N-83420-gfd57f70c97 Copyright (c) 2000-2017 the FFmpeg
 developers
   built with gcc 6.3.1 (GCC) 20170109
   configuration: --prefix=/usr --disable-debug --disable-static --enable-
 avisynth --enable-avresample --enable-fontconfig --enable-gnutls --enable-
 gpl --enable-ladspa --enable-libass --enable-libbluray --enable-
 libfreetype --enable-libfribidi --enable-libgsm --enable-libmodplug
 --enable-libmp3lame --enable-libopencore_amrnb --enable-libopencore_amrwb
 --enable-libopenjpeg --enable-libopus --enable-libfdk-aac --enable-
 libpulse --enable-libschroedinger --enable-libsoxr --enable-libspeex
 --enable-libssh --enable-libtheora --enable-libv4l2 --enable-libvidstab
 --enable-libvorbis --enable-libvpx --enable-libwebp --enable-libx264
 --enable-libx265 --enable-libxvid --enable-nonfree --enable-shared
 --enable-version3 --enable-x11grab
   libavutil      55. 46.100 / 55. 46.100
   libavcodec     57. 75.100 / 57. 75.100
   libavformat    57. 66.101 / 57. 66.101
   libavdevice    57.  2.100 / 57.  2.100
   libavfilter     6. 73.100 /  6. 73.100
   libavresample   3.  2.  0 /  3.  2.  0
   libswscale      4.  3.101 /  4.  3.101
   libswresample   2.  4.100 /  2.  4.100
   libpostproc    54.  2.100 / 54.  2.100
 Splitting the commandline.
 Reading option '-v' ... matched as option 'v' (set logging level) with
 argument '9'.
 Reading option '-loglevel' ... matched as option 'loglevel' (set logging
 level) with argument '99'.
 Reading option '-video_size' ... matched as AVOption 'video_size' with
 argument '1600x900'.
 Reading option '-framerate' ... matched as AVOption 'framerate' with
 argument '25'.
 Reading option '-f' ... matched as option 'f' (force format) with argument
 'x11grab'.
 Reading option '-i' ... matched as input url with argument ':0.0'.
 Reading option 'git-ffmpeg_black_screen_with_cursor2.mp4' ... matched as
 output url.
 Finished splitting the commandline.
 Parsing a group of options: global .
 Applying option v (set logging level) with argument 9.
 Successfully parsed a group of options.
 Parsing a group of options: input url :0.0.
 Applying option f (force format) with argument x11grab.
 Successfully parsed a group of options.
 Opening an input file: :0.0.
 [x11grab @ 0x22fb5c0] Probe buffer size limit of 5000000 bytes reached
 [x11grab @ 0x22fb5c0] Stream #0: not enough frames to estimate rate;
 consider increasing probesize
 [x11grab @ 0x22fb5c0] stream 0: start_time: 1486298828.877 duration:
 -9223372036854.775
 [x11grab @ 0x22fb5c0] format: start_time: 1486298828.877 duration:
 -9223372036854.775 bitrate=0 kb/s
 Input #0, x11grab, from ':0.0':
   Duration: N/A, start: 1486298828.877171, bitrate: N/A
     Stream #0:0, 1, 1/1000000: Video: rawvideo, 1 reference frame (BGR[0]
 / 0x524742), bgr0, 1600x900, 0/1, 25 fps, 1000k tbr, 1000k tbn, 1000k tbc
 Successfully opened the file.
 Parsing a group of options: output url git-
 ffmpeg_black_screen_with_cursor2.mp4.
 Successfully parsed a group of options.
 Opening an output file: git-ffmpeg_black_screen_with_cursor2.mp4.
 [file @ 0x2308540] Setting default whitelist 'file,crypto'
 Successfully opened the file.
 Initializing cuvid transcoding
 detected 8 logical cores
 [graph 0 input from stream 0:0 @ 0x2308160] Setting 'video_size' to value
 '1600x900'
 [graph 0 input from stream 0:0 @ 0x2308160] Setting 'pix_fmt' to value
 '298'
 [graph 0 input from stream 0:0 @ 0x2308160] Setting 'time_base' to value
 '1/1000000'
 [graph 0 input from stream 0:0 @ 0x2308160] Setting 'pixel_aspect' to
 value '0/1'
 [graph 0 input from stream 0:0 @ 0x2308160] Setting 'sws_param' to value
 'flags=2'
 [graph 0 input from stream 0:0 @ 0x2308160] Setting 'frame_rate' to value
 '25/1'
 [graph 0 input from stream 0:0 @ 0x2308160] w:1600 h:900 pixfmt:bgr0
 tb:1/1000000 fr:25/1 sar:0/1 sws_param:flags=2
 [format @ 0x2311060] compat: called with
 args=[yuv420p|yuvj420p|yuv422p|yuvj422p|yuv444p|yuvj444p|nv12|nv16|nv21]
 [format @ 0x2311060] Setting 'pix_fmts' to value
 'yuv420p|yuvj420p|yuv422p|yuvj422p|yuv444p|yuvj444p|nv12|nv16|nv21'
 [auto_scaler_0 @ 0x2311b80] Setting 'flags' to value 'bicubic'
 [auto_scaler_0 @ 0x2311b80] w:iw h:ih flags:'bicubic' interl:0
 [format @ 0x2311060] auto-inserting filter 'auto_scaler_0' between the
 filter 'Parsed_null_0' and the filter 'format'
 [AVFilterGraph @ 0x2306cc0] query_formats: 4 queried, 2 merged, 1 already
 done, 0 delayed
 [auto_scaler_0 @ 0x2311b80] picking yuv444p out of 8 ref:bgr0 alpha:0
 [auto_scaler_0 @ 0x2311b80] w:1600 h:900 fmt:bgr0 sar:0/1 -> w:1600 h:900
 fmt:yuv444p sar:0/1 flags:0x4
 No pixel format specified, yuv444p for H.264 encoding chosen.
 Use -pix_fmt yuv420p for compatibility with outdated media players.
 [libx264 @ 0x2305b00] using mv_range_thread = 40
 [libx264 @ 0x2305b00] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2
 AVX FMA3 AVX2 LZCNT BMI2
 [libx264 @ 0x2305b00] profile High 4:4:4 Predictive, level 4.0, 4:4:4
 8-bit
 [libx264 @ 0x2305b00] 264 - core 148 r2708 86b7198 - H.264/MPEG-4 AVC
 codec - Copyleft 2003-2016 - 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=4 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
 Output #0, mp4, to 'git-ffmpeg_black_screen_with_cursor2.mp4':
   Metadata:
     encoder         : Lavf57.66.101
     Stream #0:0, 0, 1/12800: Video: h264 (libx264), 1 reference frame
 ([33][0][0][0] / 0x0021), yuv444p, 1600x900, 0/1, q=-1--1, 25 fps, 12800
 tbn, 25 tbc
     Metadata:
       encoder         : Lavc57.75.100 libx264
     Side data:
       cpb: bitrate max/min/avg: 0/0/0 buffer size: 0 vbv_delay: -1
 Stream mapping:
   Stream #0:0 -> #0:0 (rawvideo (native) -> h264 (libx264))
 Press [q] to stop, [?] for help
 cur_dts is invalid (this is harmless if it occurs once at the start per
 stream)
 [rawvideo @ 0x2303920] PACKET SIZE: 5760000, STRIDE: 6400
 Clipping frame in rate conversion by 0.000008
 cur_dts is invalid (this is harmless if it occurs once at the start per
 stream)
 [rawvideo @ 0x2303920] PACKET SIZE: 5760000, STRIDE: 6400
 cur_dts is invalid (this is harmless if it occurs once at the start per
 stream)
 [rawvideo @ 0x2303920] PACKET SIZE: 5760000, STRIDE: 6400
 cur_dts is invalid (this is harmless if it occurs once at the start per
 stream)
 [rawvideo @ 0x2303920] PACKET SIZE: 5760000, STRIDE: 6400
 Clipping frame in rate conversion by 0.000740
 cur_dts is invalid (this is harmless if it occurs once at the start per
 stream)
 [rawvideo @ 0x2303920] PACKET SIZE: 5760000, STRIDE: 6400
 Clipping frame in rate conversion by 0.000999
 cur_dts is invalid (this is harmless if it occurs once at the start per
 stream)
 [rawvideo @ 0x2303920] PACKET SIZE: 5760000, STRIDE: 6400
 cur_dts is invalid (this is harmless if it occurs once at the start per
 stream)
 [rawvideo @ 0x2303920] PACKET SIZE: 5760000, STRIDE: 6400
 cur_dts is invalid (this is harmless if it occurs once at the start per
 stream)
 [rawvideo @ 0x2303920] PACKET SIZE: 5760000, STRIDE: 6400
 Clipping frame in rate conversion by 0.000023
 cur_dts is invalid (this is harmless if it occurs once at the start per
 stream)
 [rawvideo @ 0x2303920] PACKET SIZE: 5760000, STRIDE: 6400
 Clipping frame in rate conversion by 0.001137
 cur_dts is invalid (this is harmless if it occurs once at the start per
 stream)
 [rawvideo @ 0x2303920] PACKET SIZE: 5760000, STRIDE: 6400
 cur_dts is invalid (this is harmless if it occurs once at the start per
 stream)
 [rawvideo @ 0x2303920] PACKET SIZE: 5760000, STRIDE: 6400
 cur_dts is invalid (this is harmless if it occurs once at the start per
 stream)
 [rawvideo @ 0x2303920] PACKET SIZE: 5760000, STRIDE: 6400
 cur_dts is invalid (this is harmless if it occurs once at the start per
 stream)
 [rawvideo @ 0x2303920] PACKET SIZE: 5760000, STRIDE: 6400
 Clipping frame in rate conversion by 0.000893
 cur_dts is invalid (this is harmless if it occurs once at the start per
 stream)
 [rawvideo @ 0x2303920] PACKET SIZE: 5760000, STRIDE: 6400
 Clipping frame in rate conversion by 0.000816
 cur_dts is invalid (this is harmless if it occurs once at the start per
 stream)
 [rawvideo @ 0x2303920] PACKET SIZE: 5760000, STRIDE: 6400
 cur_dts is invalid (this is harmless if it occurs once at the start per
 stream) 0x
 [rawvideo @ 0x2303920] PACKET SIZE: 5760000, STRIDE: 6400
 cur_dts is invalid (this is harmless if it occurs once at the start per
 stream)
 [rawvideo @ 0x2303920] PACKET SIZE: 5760000, STRIDE: 6400
 cur_dts is invalid (this is harmless if it occurs once at the start per
 stream)
 [rawvideo @ 0x2303920] PACKET SIZE: 5760000, STRIDE: 6400
 Clipping frame in rate conversion by 0.001289
 cur_dts is invalid (this is harmless if it occurs once at the start per
 stream)
 [rawvideo @ 0x2303920] PACKET SIZE: 5760000, STRIDE: 6400
 Clipping frame in rate conversion by 0.000542
 cur_dts is invalid (this is harmless if it occurs once at the start per
 stream)
 [rawvideo @ 0x2303920] PACKET SIZE: 5760000, STRIDE: 6400
 Clipping frame in rate conversion by 0.000023
 cur_dts is invalid (this is harmless if it occurs once at the start per
 stream)
 [rawvideo @ 0x2303920] PACKET SIZE: 5760000, STRIDE: 6400
 Clipping frame in rate conversion by 0.000999
 cur_dts is invalid (this is harmless if it occurs once at the start per
 stream)
 [rawvideo @ 0x2303920] PACKET SIZE: 5760000, STRIDE: 6400
 cur_dts is invalid (this is harmless if it occurs once at the start per
 stream)
 [rawvideo @ 0x2303920] PACKET SIZE: 5760000, STRIDE: 6400
 Clipping frame in rate conversion by 0.000923
 cur_dts is invalid (this is harmless if it occurs once at the start per
 stream)
 [rawvideo @ 0x2303920] PACKET SIZE: 5760000, STRIDE: 6400
 Clipping frame in rate conversion by 0.000572
 cur_dts is invalid (this is harmless if it occurs once at the start per
 stream)
 [rawvideo @ 0x2303920] PACKET SIZE: 5760000, STRIDE: 6400
 Clipping frame in rate conversion by 0.000999
 cur_dts is invalid (this is harmless if it occurs once at the start per
 stream)
 [rawvideo @ 0x2303920] PACKET SIZE: 5760000, STRIDE: 6400
 Clipping frame in rate conversion by 0.000969
 cur_dts is invalid (this is harmless if it occurs once at the start per
 stream)
 [rawvideo @ 0x2303920] PACKET SIZE: 5760000, STRIDE: 6400
 Clipping frame in rate conversion by 0.001045
 cur_dts is invalid (this is harmless if it occurs once at the start per
 stream)
 [rawvideo @ 0x2303920] PACKET SIZE: 5760000, STRIDE: 6400
 Clipping frame in rate conversion by 0.001015
 cur_dts is invalid (this is harmless if it occurs once at the start per
 stream) 0x
 [rawvideo @ 0x2303920] PACKET SIZE: 5760000, STRIDE: 6400
 Clipping frame in rate conversion by 0.000847
 cur_dts is invalid (this is harmless if it occurs once at the start per
 stream)
 [rawvideo @ 0x2303920] PACKET SIZE: 5760000, STRIDE: 6400
 Clipping frame in rate conversion by 0.001335
 cur_dts is invalid (this is harmless if it occurs once at the start per
 stream)
 [rawvideo @ 0x2303920] PACKET SIZE: 5760000, STRIDE: 6400
 Clipping frame in rate conversion by 0.001472
 cur_dts is invalid (this is harmless if it occurs once at the start per
 stream)
 [rawvideo @ 0x2303920] PACKET SIZE: 5760000, STRIDE: 6400
 Clipping frame in rate conversion by 0.001518
 cur_dts is invalid (this is harmless if it occurs once at the start per
 stream)
 [rawvideo @ 0x2303920] PACKET SIZE: 5760000, STRIDE: 6400
 Clipping frame in rate conversion by 0.000938
 cur_dts is invalid (this is harmless if it occurs once at the start per
 stream)
 [rawvideo @ 0x2303920] PACKET SIZE: 5760000, STRIDE: 6400
 Clipping frame in rate conversion by 0.001518
 cur_dts is invalid (this is harmless if it occurs once at the start per
 stream)
 [rawvideo @ 0x2303920] PACKET SIZE: 5760000, STRIDE: 6400
 Clipping frame in rate conversion by 0.000893
 cur_dts is invalid (this is harmless if it occurs once at the start per
 stream)
 [rawvideo @ 0x2303920] PACKET SIZE: 5760000, STRIDE: 6400
 Clipping frame in rate conversion by 0.000298
 cur_dts is invalid (this is harmless if it occurs once at the start per
 stream)
 [rawvideo @ 0x2303920] PACKET SIZE: 5760000, STRIDE: 6400
 Clipping frame in rate conversion by 0.000542
 cur_dts is invalid (this is harmless if it occurs once at the start per
 stream)
 [rawvideo @ 0x2303920] PACKET SIZE: 5760000, STRIDE: 6400
 Clipping frame in rate conversion by 0.001045
 cur_dts is invalid (this is harmless if it occurs once at the start per
 stream)
 [rawvideo @ 0x2303920] PACKET SIZE: 5760000, STRIDE: 6400
 cur_dts is invalid (this is harmless if it occurs once at the start per
 stream)
 [rawvideo @ 0x2303920] PACKET SIZE: 5760000, STRIDE: 6400
 Clipping frame in rate conversion by 0.000862
 cur_dts is invalid (this is harmless if it occurs once at the start per
 stream)
 [rawvideo @ 0x2303920] PACKET SIZE: 5760000, STRIDE: 6400
 Clipping frame in rate conversion by 0.001060
 cur_dts is invalid (this is harmless if it occurs once at the start per
 stream) 0x
 [rawvideo @ 0x2303920] PACKET SIZE: 5760000, STRIDE: 6400
 Clipping frame in rate conversion by 0.000969
 cur_dts is invalid (this is harmless if it occurs once at the start per
 stream)
 [rawvideo @ 0x2303920] PACKET SIZE: 5760000, STRIDE: 6400
 Clipping frame in rate conversion by 0.001320
 cur_dts is invalid (this is harmless if it occurs once at the start per
 stream)
 [rawvideo @ 0x2303920] PACKET SIZE: 5760000, STRIDE: 6400
 Clipping frame in rate conversion by 0.001244
 cur_dts is invalid (this is harmless if it occurs once at the start per
 stream)
 [rawvideo @ 0x2303920] PACKET SIZE: 5760000, STRIDE: 6400
 Clipping frame in rate conversion by 0.000435
 cur_dts is invalid (this is harmless if it occurs once at the start per
 stream)
 [rawvideo @ 0x2303920] PACKET SIZE: 5760000, STRIDE: 6400
 Clipping frame in rate conversion by 0.001137
 cur_dts is invalid (this is harmless if it occurs once at the start per
 stream)
 [rawvideo @ 0x2303920] PACKET SIZE: 5760000, STRIDE: 6400
 Clipping frame in rate conversion by 0.000969
 cur_dts is invalid (this is harmless if it occurs once at the start per
 stream)
 [rawvideo @ 0x2303920] PACKET SIZE: 5760000, STRIDE: 6400
 cur_dts is invalid (this is harmless if it occurs once at the start per
 stream)
 [rawvideo @ 0x2303920] PACKET SIZE: 5760000, STRIDE: 6400
 Clipping frame in rate conversion by 0.002342
 cur_dts is invalid (this is harmless if it occurs once at the start per
 stream)
 [rawvideo @ 0x2303920] PACKET SIZE: 5760000, STRIDE: 6400
 Clipping frame in rate conversion by 0.000893
 cur_dts is invalid (this is harmless if it occurs once at the start per
 stream)
 [rawvideo @ 0x2303920] PACKET SIZE: 5760000, STRIDE: 6400
 cur_dts is invalid (this is harmless if it occurs once at the start per
 stream)
 [rawvideo @ 0x2303920] PACKET SIZE: 5760000, STRIDE: 6400
 Clipping frame in rate conversion by 0.001411
 cur_dts is invalid (this is harmless if it occurs once at the start per
 stream)
 [rawvideo @ 0x2303920] PACKET SIZE: 5760000, STRIDE: 6400
 Clipping frame in rate conversion by 0.001320
 cur_dts is invalid (this is harmless if it occurs once at the start per
 stream)
 [rawvideo @ 0x2303920] PACKET SIZE: 5760000, STRIDE: 6400
 Clipping frame in rate conversion by 0.000420
 cur_dts is invalid (this is harmless if it occurs once at the start per
 stream) 0x
 [rawvideo @ 0x2303920] PACKET SIZE: 5760000, STRIDE: 6400
 Clipping frame in rate conversion by 0.001274
 cur_dts is invalid (this is harmless if it occurs once at the start per
 stream)
 [rawvideo @ 0x2303920] PACKET SIZE: 5760000, STRIDE: 6400
 Clipping frame in rate conversion by 0.001335
 cur_dts is invalid (this is harmless if it occurs once at the start per
 stream)
 [rawvideo @ 0x2303920] PACKET SIZE: 5760000, STRIDE: 6400
 Clipping frame in rate conversion by 0.000969
 [libx264 @ 0x2305b00] frame=   0 QP=18.94 NAL=3 Slice:I Poc:0   I:5700 P:0
 SKIP:0    size=497 bytes
 [rawvideo @ 0x2303920] PACKET SIZE: 5760000, STRIDE: 6400
 [libx264 @ 0x2305b00] frame=   1 QP=9.00 NAL=2 Slice:P Poc:8   I:1    P:0
 SKIP:5699 size=57 bytes
 [rawvideo @ 0x2303920] PACKET SIZE: 5760000, STRIDE: 6400
 [libx264 @ 0x2305b00] frame=   2 QP=12.00 NAL=2 Slice:B Poc:4   I:0    P:1
 SKIP:5699 size=52 bytes
 [rawvideo @ 0x2303920] PACKET SIZE: 5760000, STRIDE: 6400
 Clipping frame in rate conversion by 0.000740
 [libx264 @ 0x2305b00] frame=   3 QP=13.00 NAL=0 Slice:B Poc:2   I:0    P:1
 SKIP:5699 size=52 bytes
 [rawvideo @ 0x2303920] PACKET SIZE: 5760000, STRIDE: 6400
 Clipping frame in rate conversion by 0.000420
 [libx264 @ 0x2305b00] frame=   4 QP=13.00 NAL=0 Slice:B Poc:6   I:0    P:0
 SKIP:5700 size=52 bytes
 [rawvideo @ 0x2303920] PACKET SIZE: 5760000, STRIDE: 6400
 Clipping frame in rate conversion by 0.000069
 [libx264 @ 0x2305b00] frame=   5 QP=9.00 NAL=2 Slice:P Poc:16  I:0    P:0
 SKIP:5700 size=61 bytes
 [rawvideo @ 0x2303920] PACKET SIZE: 5760000, STRIDE: 6400
 Clipping frame in rate conversion by 0.000938
 [libx264 @ 0x2305b00] frame=   6 QP=12.00 NAL=2 Slice:B Poc:12  I:0    P:0
 SKIP:5700 size=54 bytes
 [rawvideo @ 0x2303920] PACKET SIZE: 5760000, STRIDE: 6400
 Clipping frame in rate conversion by 0.001518
 [libx264 @ 0x2305b00] frame=   7 QP=13.00 NAL=0 Slice:B Poc:10  I:0    P:0
 SKIP:5700 size=52 bytes
 [rawvideo @ 0x2303920] PACKET SIZE: 5760000, STRIDE: 6400
 Clipping frame in rate conversion by 0.001244
 [libx264 @ 0x2305b00] frame=   8 QP=13.00 NAL=0 Slice:B Poc:14  I:0    P:0
 SKIP:5700 size=52 bytes
 [rawvideo @ 0x2303920] PACKET SIZE: 5760000, STRIDE: 6400
 Clipping frame in rate conversion by 0.001289
 [libx264 @ 0x2305b00] frame=   9 QP=9.00 NAL=2 Slice:P Poc:24  I:0    P:0
 SKIP:5700 size=61 bytes
 [rawvideo @ 0x2303920] PACKET SIZE: 5760000, STRIDE: 6400
 Clipping frame in rate conversion by 0.001518
 [libx264 @ 0x2305b00] frame=  10 QP=12.00 NAL=2 Slice:B Poc:20  I:0    P:0
 SKIP:5700 size=54 bytes
 [rawvideo @ 0x2303920] PACKET SIZE: 5760000, STRIDE: 640032 bitrate=
 44.5kbits/s speed=0.123x
 Clipping frame in rate conversion by 0.001045
 [libx264 @ 0x2305b00] frame=  11 QP=13.00 NAL=0 Slice:B Poc:18  I:0    P:0
 SKIP:5700 size=52 bytes
 [rawvideo @ 0x2303920] PACKET SIZE: 5760000, STRIDE: 6400
 Clipping frame in rate conversion by 0.000771
 [libx264 @ 0x2305b00] frame=  12 QP=13.00 NAL=0 Slice:B Poc:22  I:0    P:0
 SKIP:5700 size=52 bytes
 [rawvideo @ 0x2303920] PACKET SIZE: 5760000, STRIDE: 6400
 Clipping frame in rate conversion by 0.001045
 [libx264 @ 0x2305b00] frame=  13 QP=9.00 NAL=2 Slice:P Poc:32  I:0    P:0
 SKIP:5700 size=61 bytes
 [rawvideo @ 0x2303920] PACKET SIZE: 5760000, STRIDE: 6400
 Clipping frame in rate conversion by 0.000923
 [libx264 @ 0x2305b00] frame=  14 QP=12.00 NAL=2 Slice:B Poc:28  I:0    P:0
 SKIP:5700 size=54 bytes
 [rawvideo @ 0x2303920] PACKET SIZE: 5760000, STRIDE: 6400
 [libx264 @ 0x2305b00] frame=  15 QP=13.00 NAL=0 Slice:B Poc:26  I:0    P:0
 SKIP:5700 size=52 bytes
 [rawvideo @ 0x2303920] PACKET SIZE: 5760000, STRIDE: 6400
 [libx264 @ 0x2305b00] frame=  16 QP=13.00 NAL=0 Slice:B Poc:30  I:0    P:0
 SKIP:5700 size=52 bytes
 [rawvideo @ 0x2303920] PACKET SIZE: 5760000, STRIDE: 6400
 [libx264 @ 0x2305b00] frame=  17 QP=17.18 NAL=2 Slice:P Poc:40  I:6    P:1
 SKIP:5693 size=168 bytes
 [rawvideo @ 0x2303920] PACKET SIZE: 5760000, STRIDE: 6400
 Clipping frame in rate conversion by 0.000496
 [libx264 @ 0x2305b00] frame=  18 QP=21.33 NAL=2 Slice:B Poc:36  I:2
 P:10   SKIP:5688 size=166 bytes
 [rawvideo @ 0x2303920] PACKET SIZE: 5760000, STRIDE: 6400
 Clipping frame in rate conversion by 0.001091
 [libx264 @ 0x2305b00] frame=  19 QP=13.00 NAL=0 Slice:B Poc:34  I:0
 P:11   SKIP:5689 size=60 bytes
 [rawvideo @ 0x2303920] PACKET SIZE: 5760000, STRIDE: 6400
 Clipping frame in rate conversion by 0.001442
 [libx264 @ 0x2305b00] frame=  20 QP=21.74 NAL=0 Slice:B Poc:38  I:2
 P:12   SKIP:5686 size=137 bytes
 [rawvideo @ 0x2303920] PACKET SIZE: 5760000, STRIDE: 6400
 Clipping frame in rate conversion by 0.001091
 [libx264 @ 0x2305b00] frame=  21 QP=18.77 NAL=2 Slice:P Poc:48  I:7    P:0
 SKIP:5693 size=195 bytes
 [rawvideo @ 0x2303920] PACKET SIZE: 5760000, STRIDE: 6400
 Clipping frame in rate conversion by 0.000893
 [libx264 @ 0x2305b00] frame=  22 QP=20.43 NAL=2 Slice:B Poc:44  I:2
 P:10   SKIP:5688 size=154 bytes
 [libx264 @ 0x2305b00] frame=  23 QP=20.32 NAL=0 Slice:B Poc:42  I:2
 P:11   SKIP:5687 size=157 bytes
 [libx264 @ 0x2305b00] frame=  24 QP=22.07 NAL=0 Slice:B Poc:46  I:2
 P:13   SKIP:5685 size=175 bytes
 [libx264 @ 0x2305b00] frame=  25 QP=9.00 NAL=2 Slice:P Poc:56  I:0    P:0
 SKIP:5700 size=61 bytes
 [libx264 @ 0x2305b00] frame=  26 QP=12.00 NAL=2 Slice:B Poc:52  I:0    P:3
 SKIP:5697 size=57 bytes
 [libx264 @ 0x2305b00] frame=  27 QP=13.00 NAL=0 Slice:B Poc:50  I:0    P:2
 SKIP:5698 size=52 bytes
 [libx264 @ 0x2305b00] frame=  28 QP=13.00 NAL=0 Slice:B Poc:54  I:0    P:2
 SKIP:5698 size=52 bytes
 [libx264 @ 0x2305b00] frame=  29 QP=18.50 NAL=2 Slice:P Poc:64  I:5    P:0
 SKIP:5695 size=134 bytes
 [libx264 @ 0x2305b00] frame=  30 QP=21.69 NAL=2 Slice:B Poc:60  I:4
 P:10   SKIP:5686 size=157 bytes
 [libx264 @ 0x2305b00] frame=  31 QP=13.00 NAL=0 Slice:B Poc:58  I:0
 P:10   SKIP:5690 size=59 bytes
 [libx264 @ 0x2305b00] frame=  32 QP=21.34 NAL=0 Slice:B Poc:62  I:2
 P:11   SKIP:5687 size=138 bytes
 [libx264 @ 0x2305b00] frame=  33 QP=19.68 NAL=2 Slice:P Poc:72  I:6    P:0
 SKIP:5694 size=170 bytes
 [libx264 @ 0x2305b00] frame=  34 QP=23.07 NAL=2 Slice:B Poc:68  I:1
 P:11   SKIP:5688 size=149 bytes
 [libx264 @ 0x2305b00] frame=  35 QP=22.53 NAL=0 Slice:B Poc:66  I:2
 P:12   SKIP:5686 size=148 bytes
 [libx264 @ 0x2305b00] frame=  36 QP=13.00 NAL=0 Slice:B Poc:70  I:0
 P:10   SKIP:5690 size=59 bytes
 [libx264 @ 0x2305b00] frame=  37 QP=18.38 NAL=2 Slice:P Poc:80  I:6    P:0
 SKIP:5694 size=181 bytes
 [libx264 @ 0x2305b00] frame=  38 QP=12.00 NAL=2 Slice:B Poc:76  I:0
 P:11   SKIP:5689 size=68 bytes
 [libx264 @ 0x2305b00] frame=  39 QP=13.00 NAL=0 Slice:B Poc:74  I:0    P:5
 SKIP:5695 size=57 bytes
 [libx264 @ 0x2305b00] frame=  40 QP=18.42 NAL=0 Slice:B Poc:78  I:2
 P:12   SKIP:5686 size=162 bytes
 [libx264 @ 0x2305b00] frame=  41 QP=19.96 NAL=2 Slice:P Poc:88  I:8    P:0
 SKIP:5692 size=184 bytes
 [libx264 @ 0x2305b00] frame=  42 QP=18.38 NAL=2 Slice:B Poc:84  I:3
 P:14   SKIP:5683 size=180 bytes
 [libx264 @ 0x2305b00] frame=  43 QP=19.38 NAL=0 Slice:B Poc:82  I:4
 P:14   SKIP:5682 size=172 bytes
 [libx264 @ 0x2305b00] frame=  44 QP=20.44 NAL=0 Slice:B Poc:86  I:3
 P:15   SKIP:5682 size=170 bytes
 [libx264 @ 0x2305b00] frame=  45 QP=19.09 NAL=2 Slice:P Poc:96  I:7    P:0
 SKIP:5693 size=194 bytes
 [libx264 @ 0x2305b00] frame=  46 QP=12.00 NAL=2 Slice:B Poc:92  I:0
 P:14   SKIP:5686 size=69 bytes
 [libx264 @ 0x2305b00] frame=  47 QP=13.00 NAL=0 Slice:B Poc:90  I:0
 P:11   SKIP:5689 size=62 bytes
 [libx264 @ 0x2305b00] frame=  48 QP=13.00 NAL=0 Slice:B Poc:94  I:0    P:8
 SKIP:5692 size=62 bytes
 [libx264 @ 0x2305b00] frame=  49 QP=17.43 NAL=2 Slice:P Poc:104 I:8    P:0
 SKIP:5692 size=191 bytes
 [libx264 @ 0x2305b00] frame=  50 QP=12.00 NAL=2 Slice:B Poc:100 I:0
 P:17   SKIP:5683 size=71 bytes
 [libx264 @ 0x2305b00] frame=  51 QP=13.00 NAL=0 Slice:B Poc:98  I:0    P:8
 SKIP:5692 size=62 bytes
 [libx264 @ 0x2305b00] frame=  52 QP=20.34 NAL=0 Slice:B Poc:102 I:3
 P:16   SKIP:5681 size=170 bytes
 [libx264 @ 0x2305b00] frame=  53 QP=18.04 NAL=2 Slice:P Poc:112 I:10   P:0
 SKIP:5690 size=198 bytes
 [libx264 @ 0x2305b00] frame=  54 QP=20.14 NAL=2 Slice:B Poc:108 I:4
 P:18   SKIP:5678 size=188 bytes
 [libx264 @ 0x2305b00] frame=  55 QP=19.98 NAL=0 Slice:B Poc:106 I:4
 P:19   SKIP:5677 size=179 bytes
 [libx264 @ 0x2305b00] frame=  56 QP=20.56 NAL=0 Slice:B Poc:110 I:2
 P:20   SKIP:5678 size=189 bytes
 [libx264 @ 0x2305b00] frame=  57 QP=9.00 NAL=2 Slice:P Poc:120 I:0    P:0
 SKIP:5700 size=61 bytes
 [libx264 @ 0x2305b00] frame=  58 QP=12.00 NAL=2 Slice:B Poc:116 I:0    P:8
 SKIP:5692 size=66 bytes
 [libx264 @ 0x2305b00] frame=  59 QP=13.00 NAL=0 Slice:B Poc:114 I:0    P:7
 SKIP:5693 size=61 bytes
 [libx264 @ 0x2305b00] frame=  60 QP=13.00 NAL=0 Slice:B Poc:118 I:0    P:7
 SKIP:5693 size=60 bytes
 [libx264 @ 0x2305b00] frame=  61 QP=15.21 NAL=2 Slice:P Poc:128 I:6    P:1
 SKIP:5693 size=167 bytes
 [libx264 @ 0x2305b00] frame=  62 QP=17.24 NAL=2 Slice:B Poc:124 I:2
 P:18   SKIP:5680 size=180 bytes
 [libx264 @ 0x2305b00] frame=  63 QP=13.00 NAL=0 Slice:B Poc:122 I:0
 P:15   SKIP:5685 size=67 bytes
 [libx264 @ 0x2305b00] frame=  64 QP=18.99 NAL=0 Slice:B Poc:126 I:3
 P:17   SKIP:5680 size=179 bytes
 [libx264 @ 0x2305b00] frame=  65 QP=18.00 NAL=2 Slice:P Poc:136 I:7    P:0
 SKIP:5693 size=206 bytes
 [libx264 @ 0x2305b00] frame=  66 QP=18.72 NAL=2 Slice:B Poc:132 I:3
 P:19   SKIP:5678 size=174 bytes
 [libx264 @ 0x2305b00] frame=  67 QP=16.81 NAL=0 Slice:B Poc:130 I:4
 P:16   SKIP:5680 size=172 bytes
 [libx264 @ 0x2305b00] frame=  68 QP=19.46 NAL=0 Slice:B Poc:134 I:4
 P:18   SKIP:5678 size=175 bytes
 [libx264 @ 0x2305b00] frame=  69 QP=10.00 NAL=2 Slice:P Poc:144 I:0    P:0
 SKIP:5700 size=61 bytes
 [libx264 @ 0x2305b00] frame=  70 QP=12.00 NAL=2 Slice:B Poc:140 I:0
 P:12   SKIP:5688 size=70 bytes
 [libx264 @ 0x2305b00] frame=  71 QP=13.00 NAL=0 Slice:B Poc:138 I:0
 P:11   SKIP:5689 size=64 bytes
 [libx264 @ 0x2305b00] frame=  72 QP=13.00 NAL=0 Slice:B Poc:142 I:0
 P:11   SKIP:5689 size=64 bytes
 [libx264 @ 0x2305b00] frame=  73 QP=18.19 NAL=2 Slice:P Poc:152 I:6    P:1
 SKIP:5693 size=170 bytes
 [libx264 @ 0x2305b00] frame=  74 QP=22.09 NAL=2 Slice:B Poc:148 I:4
 P:20   SKIP:5676 size=180 bytes
 [libx264 @ 0x2305b00] frame=  75 QP=13.00 NAL=0 Slice:B Poc:146 I:0
 P:18   SKIP:5682 size=69 bytes
 [libx264 @ 0x2305b00] frame=  76 QP=18.57 NAL=0 Slice:B Poc:150 I:3
 P:21   SKIP:5676 size=181 bytes
 [libx264 @ 0x2305b00] frame=  77 QP=22.39 NAL=2 Slice:P Poc:156 I:8    P:0
 SKIP:5692 size=137 bytes
 [libx264 @ 0x2305b00] frame=  78 QP=18.84 NAL=0 Slice:B Poc:154 I:2
 P:23   SKIP:5675 size=186 bytes
 frame=   79 fps= 24 q=-1.0 Lsize=      12kB time=00:00:03.04 bitrate=
 31.2kbits/s speed=0.904x
 video:10kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB
 muxing overhead: 17.728312%
 Input file #0 (:0.0):
   Input stream #0:0 (video): 79 packets read (455040000 bytes); 79 frames
 decoded;
   Total: 79 packets (455040000 bytes) demuxed
 Output file #0 (git-ffmpeg_black_screen_with_cursor2.mp4):
   Output stream #0:0 (video): 79 frames encoded; 79 packets muxed (10063
 bytes);
   Total: 79 packets (10063 bytes) muxed
 79 frames successfully decoded, 0 decoding errors
 [AVIOContext @ 0x23088c0] Statistics: 34 seeks, 105 writeouts
 [libx264 @ 0x2305b00] frame I:1     Avg QP:18.94  size:   497
 [libx264 @ 0x2305b00] frame P:20    Avg QP:15.24  size:   136
 [libx264 @ 0x2305b00] frame B:58    Avg QP:15.89  size:   106
 [libx264 @ 0x2305b00] consecutive B-frames:  1.3%  2.5%  0.0% 96.2%
 [libx264 @ 0x2305b00] mb I  I16..4:  0.0% 99.9%  0.1%
 [libx264 @ 0x2305b00] mb P  I16..4:  0.0%  0.0%  0.0%  P16..4:  0.0%  0.0%
 0.0%  0.0%  0.0%    skip:99.9%
 [libx264 @ 0x2305b00] mb B  I16..4:  0.0%  0.0%  0.0%  B16..8:  0.2%  0.0%
 0.0%  direct: 0.0%  skip:99.8%  L0:63.0% L1:37.0% BI: 0.0%
 [libx264 @ 0x2305b00] 8x8 transform intra:98.1% inter:11.1%
 [libx264 @ 0x2305b00] coded y,u,v intra: 0.9% 0.0% 0.0% inter: 0.0% 0.0%
 0.0%
 [libx264 @ 0x2305b00] i16 v,h,dc,p: 67%  0% 33%  0%
 [libx264 @ 0x2305b00] i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 25%  1% 74%  0%  0%
 0%  0%  0%  0%
 [libx264 @ 0x2305b00] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 24%  6% 53%  2%  8%
 3%  1%  1%  2%
 [libx264 @ 0x2305b00] Weighted P-Frames: Y:0.0% UV:0.0%
 [libx264 @ 0x2305b00] ref B L0: 70.3% 29.4%  0.3%
 [libx264 @ 0x2305b00] kb/s:23.73
 }}}
 --disable-libxcb.
 {{{
 $ ffmpeg -video_size 1600x900 -framerate 25 -f x11grab -i :0.0 git-
 ffmpeg_black_screen_with_cursor_disable-xcb.mp4
 ffmpeg version N-83420-gfd57f70c97 Copyright (c) 2000-2017 the FFmpeg
 developers
   built with gcc 6.3.1 (GCC) 20170109
   configuration: --prefix=/usr --disable-debug --disable-libxcb --disable-
 static --enable-avisynth --enable-avresample --enable-fontconfig --enable-
 gnutls --enable-gpl --enable-ladspa --enable-libass --enable-libbluray
 --enable-libfreetype --enable-libfribidi --enable-libgsm --enable-
 libmodplug --enable-libmp3lame --enable-libopencore_amrnb --enable-
 libopencore_amrwb --enable-libopenjpeg --enable-libopus --enable-libfdk-
 aac --enable-libpulse --enable-libschroedinger --enable-libsoxr --enable-
 libspeex --enable-libssh --enable-libtheora --enable-libv4l2 --enable-
 libvidstab --enable-libvorbis --enable-libvpx --enable-libwebp --enable-
 libx264 --enable-libx265 --enable-libxvid --enable-nonfree --enable-shared
 --enable-version3 --enable-x11grab
   libavutil      55. 46.100 / 55. 46.100
   libavcodec     57. 75.100 / 57. 75.100
   libavformat    57. 66.101 / 57. 66.101
   libavdevice    57.  2.100 / 57.  2.100
   libavfilter     6. 73.100 /  6. 73.100
   libavresample   3.  2.  0 /  3.  2.  0
   libswscale      4.  3.101 /  4.  3.101
   libswresample   2.  4.100 /  2.  4.100
   libpostproc    54.  2.100 / 54.  2.100
 [x11grab @ 0x2356580] device: :0.0 -> display: :0.0 x: 0 y: 0 width: 1600
 height: 900
 [x11grab @ 0x2356580] shared memory extension found
 [x11grab @ 0x2356580] Stream #0: not enough frames to estimate rate;
 consider increasing probesize
 Input #0, x11grab, from ':0.0':
   Duration: N/A, start: 1486301459.702376, bitrate: 1152000 kb/s
     Stream #0:0: Video: rawvideo (BGR[0] / 0x524742), bgr0, 1600x900,
 1152000 kb/s, 25 fps, 1000k tbr, 1000k tbn, 1000k tbc
 No pixel format specified, yuv444p for H.264 encoding chosen.
 Use -pix_fmt yuv420p for compatibility with outdated media players.
 [libx264 @ 0x23726c0] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2
 AVX FMA3 AVX2 LZCNT BMI2
 [libx264 @ 0x23726c0] profile High 4:4:4 Predictive, level 4.0, 4:4:4
 8-bit
 [libx264 @ 0x23726c0] 264 - core 148 r2708 86b7198 - H.264/MPEG-4 AVC
 codec - Copyleft 2003-2016 - 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=4 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
 Output #0, mp4, to 'git-ffmpeg_black_screen_with_cursor_disable-xcb.mp4':
   Metadata:
     encoder         : Lavf57.66.101
     Stream #0:0: Video: h264 (libx264) ([33][0][0][0] / 0x0021), yuv444p,
 1600x900, q=-1--1, 25 fps, 12800 tbn, 25 tbc
     Metadata:
       encoder         : Lavc57.75.100 libx264
     Side data:
       cpb: bitrate max/min/avg: 0/0/0 buffer size: 0 vbv_delay: -1
 Stream mapping:
   Stream #0:0 -> #0:0 (rawvideo (native) -> h264 (libx264))
 Press [q] to stop, [?] for help
 frame=  103 fps= 24 q=-1.0 Lsize=      15kB time=00:00:04.00 bitrate=
 30.7kbits/s speed=0.936x
 video:13kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB
 muxing overhead: 15.630658%
 [libx264 @ 0x23726c0] frame I:1     Avg QP:17.66  size:   502
 [libx264 @ 0x23726c0] frame P:26    Avg QP:15.97  size:   148
 [libx264 @ 0x23726c0] frame B:76    Avg QP:16.65  size:   108
 [libx264 @ 0x23726c0] consecutive B-frames:  1.0%  1.9%  0.0% 97.1%
 [libx264 @ 0x23726c0] mb I  I16..4:  0.0% 99.9%  0.1%
 [libx264 @ 0x23726c0] mb P  I16..4:  0.0%  0.0%  0.0%  P16..4:  0.0%  0.0%
 0.0%  0.0%  0.0%    skip:99.9%
 [libx264 @ 0x23726c0] mb B  I16..4:  0.0%  0.0%  0.0%  B16..8:  0.2%  0.0%
 0.0%  direct: 0.0%  skip:99.7%  L0:63.5% L1:36.5% BI: 0.0%
 [libx264 @ 0x23726c0] 8x8 transform intra:97.3% inter:0.0%
 [libx264 @ 0x23726c0] coded y,u,v intra: 1.3% 0.0% 0.0% inter: 0.0% 0.0%
 0.0%
 [libx264 @ 0x23726c0] i16 v,h,dc,p: 80%  0% 20%  0%
 [libx264 @ 0x23726c0] i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 30%  1% 69%  0%  0%
 0%  0%  0%  0%
 [libx264 @ 0x23726c0] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 22%  9% 54%  2%  5%
 3%  1%  2%  2%
 [libx264 @ 0x23726c0] Weighted P-Frames: Y:0.0% UV:0.0%
 [libx264 @ 0x23726c0] ref P L0: 80.0% 20.0%
 [libx264 @ 0x23726c0] ref B L0: 64.4% 35.4%  0.2%
 [libx264 @ 0x23726c0] ref B L1: 99.7%  0.3%
 [libx264 @ 0x23726c0] kb/s:24.40
 }}}
 Vlc also produces black screen.

--
Ticket URL: <https://trac.ffmpeg.org/ticket/6129#comment:2>
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