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  • Recording desktop with gdigrab ffmeg to mp4 file with too high video_size don't working

    22 septembre 2021, par tagry

    I try to recording my desktop with ffmpeg using the command :

    



    ffmpeg -f gdigrab -framerate 10 -video_size 1920x1200 -i desktop -pix_fmt yuv420p -vcodec libx264 -preset ultrafast output.mp4


    



    The problem is when the video_size option is higher than some size, (for example height higher 1089), the video can't be read with Windows Media. I noticed that with this high size, the video which be recorded doesn't have informations about size. I don't understand why the record don't work with a too big size. If somebody can help me. 
Thank you very much and very sorry for my English.

    



    [edit]

    



        ffmpeg version N-78758-g5156578 Copyright (c) 2000-2016 the FFmpeg developers
  built with gcc 5.3.0 (GCC)
  configuration: --enable-gpl --enable-version3 --disable-w32threads --enable-avisynth --enable-bzlib --enable-fontconfig --enable-frei0r --enable-gnutls --enable-iconv --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca --enable-libdcadec --enable-libfreetype --enable-libgme --enable-libgsm --enable-libilbc --enable-libmodplug --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-libopus --enable-librtmp --enable-libschroedinger --enable-libsoxr --enable-libspeex --enable-libtheora --enable-libtwolame --enable-libvidstab --enable-libvo-amrwbenc --enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxavs --enable-libxvid --enable-libzimg --enable-lzma --enable-decklink --enable-zlib
  libavutil      55. 19.100 / 55. 19.100
  libavcodec     57. 27.100 / 57. 27.100
  libavformat    57. 26.100 / 57. 26.100
  libavdevice    57.  0.101 / 57.  0.101
  libavfilter     6. 37.100 /  6. 37.100
  libswscale      4.  0.100 /  4.  0.100
  libswresample   2.  0.101 /  2.  0.101
  libpostproc    54.  0.100 / 54.  0.100
[gdigrab @ 00861860] Capturing whole desktop as 1920x1200x16 at (0,0)
Input #0, gdigrab, from 'desktop':
  Duration: N/A, start: 1467631308.011542, bitrate: 368644 kb/s
    Stream #0:0: Video: bmp, rgb555le, 1920x1200, 368644 kb/s, 10 tbr, 1000k tbn, 10 tbc
[libx264 @ 00863fe0] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 AVX
[libx264 @ 00863fe0] profile Constrained Baseline, level 5.0
[libx264 @ 00863fe0] 264 - core 148 r2665 a01e339 - H.264/MPEG-4 AVC codec - Copyleft 2003-2016 - http://www.videolan.org/x264.html - options: cabac=0 ref=1 deblock=0:0:0 analyse=0:0 me=dia subme=0 psy=1 psy_rd=1.00:0.00 mixed_ref=0 me_range=16 chroma_me=1 trellis=0 8x8dct=0 cqm=0 deadzone=21,11 fast_pskip=1 chroma_qp_offset=0 threads=6 lookahead_threads=1 sliced_threads=0 nr=0 decimate=1 interlaced=0 bluray_compat=0 constrained_intra=0 bframes=0 weightp=0 keyint=250 keyint_min=10 scenecut=0 intra_refresh=0 rc=crf mbtree=0 crf=23.0 qcomp=0.60 qpmin=0 qpmax=69 qpstep=4 ip_ratio=1.40 aq=0
Output #0, mp4, to 'output.mp4':
  Metadata:
    encoder         : Lavf57.26.100
    Stream #0:0: Video: h264 (libx264) ([33][0][0][0] / 0x0021), yuv420p, 1920x1200, q=-1--1, 10 fps, 10240 tbn, 10 tbc
    Metadata:
      encoder         : Lavc57.27.100 libx264
    Side data:
      cpb: bitrate max/min/avg: 0/0/0 buffer size: 0 vbv_delay: -1
Stream mapping:
  Stream #0:0 -> #0:0 (bmp (native) -> h264 (libx264))
Press [q] to stop, [?] for help
frame=    6 fps=0.0 q=0.0 size=       0kB time=00:00:00.00 bitrate=N/A speed=   0x    
frame=   11 fps= 11 q=10.0 size=     277kB time=00:00:00.40 bitrate=5664.4kbits/s speed=0.396x    
frame=   16 fps= 11 q=9.0 size=     393kB time=00:00:00.90 bitrate=3578.8kbits/s speed=0.595x    
frame=   21 fps= 10 q=9.0 size=     429kB time=00:00:01.40 bitrate=2507.4kbits/s speed=0.695x    
frame=   26 fps= 10 q=9.0 size=     429kB time=00:00:01.90 bitrate=1849.3kbits/s speed=0.754x    
frame=   31 fps= 10 q=18.0 size=     430kB time=00:00:02.40 bitrate=1466.1kbits/s speed=0.793x    
frame=   36 fps= 10 q=10.0 size=     511kB time=00:00:02.90 bitrate=1442.6kbits/s speed=0.823x    
frame=   41 fps= 10 q=10.0 size=     562kB time=00:00:03.40 bitrate=1353.0kbits/s speed=0.844x    
frame=   46 fps= 10 q=10.0 size=     565kB time=00:00:03.90 bitrate=1185.9kbits/s speed=0.861x    
frame=   51 fps= 10 q=9.0 size=     575kB time=00:00:04.40 bitrate=1070.8kbits/s speed=0.874x    
frame=   56 fps= 10 q=12.0 size=     582kB time=00:00:04.90 bitrate= 972.3kbits/s speed=0.885x    
frame=   61 fps= 10 q=10.0 size=     598kB time=00:00:05.40 bitrate= 907.7kbits/s speed=0.893x    
frame=   66 fps= 10 q=10.0 size=     601kB time=00:00:05.90 bitrate= 834.5kbits/s speed=0.901x    
frame=   71 fps= 10 q=10.0 size=     603kB time=00:00:06.40 bitrate= 772.3kbits/s speed=0.907x    
frame=   76 fps= 10 q=12.0 size=     606kB time=00:00:06.90 bitrate= 719.8kbits/s speed=0.913x    
frame=   81 fps= 10 q=10.0 size=     625kB time=00:00:07.40 bitrate= 691.8kbits/s speed=0.917x    
frame=   86 fps= 10 q=10.0 size=     629kB time=00:00:07.90 bitrate= 652.2kbits/s speed=0.922x    
frame=   91 fps= 10 q=12.0 size=     634kB time=00:00:08.40 bitrate= 618.2kbits/s speed=0.926x    
frame=   97 fps= 10 q=10.0 size=     757kB time=00:00:09.00 bitrate= 689.3kbits/s speed=0.94x    
frame=  100 fps= 10 q=-1.0 Lsize=     772kB time=00:00:10.00 bitrate= 632.8kbits/s speed=0.998x    
video:771kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.153975%
[libx264 @ 00863fe0] frame I:1     Avg QP:20.00  size:242961
[libx264 @ 00863fe0] frame P:99    Avg QP:10.67  size:  5517
[libx264 @ 00863fe0] mb I  I16..4: 100.0%  0.0%  0.0%
[libx264 @ 00863fe0] mb P  I16..4:  0.8%  0.0%  0.0%  P16..4:  2.9%  0.0%  0.0%  0.0%  0.0%    skip:96.3%
[libx264 @ 00863fe0] coded y,uvDC,uvAC intra: 23.6% 15.1% 13.9% inter: 1.2% 1.3% 0.8%
[libx264 @ 00863fe0] i16 v,h,dc,p: 65% 33%  1%  1%
[libx264 @ 00863fe0] i8c dc,h,v,p: 61% 25% 13%  0%
[libx264 @ 00863fe0] kb/s:631.31


    


  • Recording desktop with gdigrab ffmeg to mp4 file with too high video_size don't working

    4 juillet 2016, par tagry

    I try to recording my desktop with ffmpeg using the command :

    ffmpeg -f gdigrab -framerate 10 -video_size 1920x1200 -i desktop -pix_fmt yuv420p -vcodec libx264 -preset ultrafast output.mp4

    The problem is when the video_size option is higher than some size, (for example height higher 1089), the video can’t be read with Windows Media. I noticed that with this high size, the video which be recorded doesn’t have informations about size. I don’t understand why the record don’t work with a too big size. If somebody can help me.
    Thank you very much and very sorry for my English.

    [edit]

        ffmpeg version N-78758-g5156578 Copyright (c) 2000-2016 the FFmpeg developers
    
  built with gcc 5.3.0 (GCC)
    
  configuration: --enable-gpl --enable-version3 --disable-w32threads --enable-avisynth --enable-bzlib --enable-fontconfig --enable-frei0r --enable-gnutls --enable-iconv --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca --enable-libdcadec --enable-libfreetype --enable-libgme --enable-libgsm --enable-libilbc --enable-libmodplug --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-libopus --enable-librtmp --enable-libschroedinger --enable-libsoxr --enable-libspeex --enable-libtheora --enable-libtwolame --enable-libvidstab --enable-libvo-amrwbenc --enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxavs --enable-libxvid --enable-libzimg --enable-lzma --enable-decklink --enable-zlib
    
  libavutil      55. 19.100 / 55. 19.100
    
  libavcodec     57. 27.100 / 57. 27.100
    
  libavformat    57. 26.100 / 57. 26.100
    
  libavdevice    57.  0.101 / 57.  0.101
    
  libavfilter     6. 37.100 /  6. 37.100
    
  libswscale      4.  0.100 /  4.  0.100
    
  libswresample   2.  0.101 /  2.  0.101
    
  libpostproc    54.  0.100 / 54.  0.100
    
[gdigrab @ 00861860] Capturing whole desktop as 1920x1200x16 at (0,0)
    
Input #0, gdigrab, from 'desktop':
    
  Duration: N/A, start: 1467631308.011542, bitrate: 368644 kb/s
    
    Stream #0:0: Video: bmp, rgb555le, 1920x1200, 368644 kb/s, 10 tbr, 1000k tbn, 10 tbc
    
[libx264 @ 00863fe0] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 AVX
    
[libx264 @ 00863fe0] profile Constrained Baseline, level 5.0
    
[libx264 @ 00863fe0] 264 - core 148 r2665 a01e339 - H.264/MPEG-4 AVC codec - Copyleft 2003-2016 - http://www.videolan.org/x264.html - options: cabac=0 ref=1 deblock=0:0:0 analyse=0:0 me=dia subme=0 psy=1 psy_rd=1.00:0.00 mixed_ref=0 me_range=16 chroma_me=1 trellis=0 8x8dct=0 cqm=0 deadzone=21,11 fast_pskip=1 chroma_qp_offset=0 threads=6 lookahead_threads=1 sliced_threads=0 nr=0 decimate=1 interlaced=0 bluray_compat=0 constrained_intra=0 bframes=0 weightp=0 keyint=250 keyint_min=10 scenecut=0 intra_refresh=0 rc=crf mbtree=0 crf=23.0 qcomp=0.60 qpmin=0 qpmax=69 qpstep=4 ip_ratio=1.40 aq=0
    
Output #0, mp4, to 'output.mp4':
    
  Metadata:
    
    encoder         : Lavf57.26.100
    
    Stream #0:0: Video: h264 (libx264) ([33][0][0][0] / 0x0021), yuv420p, 1920x1200, q=-1--1, 10 fps, 10240 tbn, 10 tbc
    
    Metadata:
    
      encoder         : Lavc57.27.100 libx264
    
    Side data:
    
      cpb: bitrate max/min/avg: 0/0/0 buffer size: 0 vbv_delay: -1
    
Stream mapping:
    
  Stream #0:0 -> #0:0 (bmp (native) -> h264 (libx264))
    
Press [q] to stop, [?] for help
    
frame=    6 fps=0.0 q=0.0 size=       0kB time=00:00:00.00 bitrate=N/A speed=   0x    
    
frame=   11 fps= 11 q=10.0 size=     277kB time=00:00:00.40 bitrate=5664.4kbits/s speed=0.396x    
    
frame=   16 fps= 11 q=9.0 size=     393kB time=00:00:00.90 bitrate=3578.8kbits/s speed=0.595x    
    
frame=   21 fps= 10 q=9.0 size=     429kB time=00:00:01.40 bitrate=2507.4kbits/s speed=0.695x    
    
frame=   26 fps= 10 q=9.0 size=     429kB time=00:00:01.90 bitrate=1849.3kbits/s speed=0.754x    
    
frame=   31 fps= 10 q=18.0 size=     430kB time=00:00:02.40 bitrate=1466.1kbits/s speed=0.793x    
    
frame=   36 fps= 10 q=10.0 size=     511kB time=00:00:02.90 bitrate=1442.6kbits/s speed=0.823x    
    
frame=   41 fps= 10 q=10.0 size=     562kB time=00:00:03.40 bitrate=1353.0kbits/s speed=0.844x    
    
frame=   46 fps= 10 q=10.0 size=     565kB time=00:00:03.90 bitrate=1185.9kbits/s speed=0.861x    
    
frame=   51 fps= 10 q=9.0 size=     575kB time=00:00:04.40 bitrate=1070.8kbits/s speed=0.874x    
    
frame=   56 fps= 10 q=12.0 size=     582kB time=00:00:04.90 bitrate= 972.3kbits/s speed=0.885x    
    
frame=   61 fps= 10 q=10.0 size=     598kB time=00:00:05.40 bitrate= 907.7kbits/s speed=0.893x    
    
frame=   66 fps= 10 q=10.0 size=     601kB time=00:00:05.90 bitrate= 834.5kbits/s speed=0.901x    
    
frame=   71 fps= 10 q=10.0 size=     603kB time=00:00:06.40 bitrate= 772.3kbits/s speed=0.907x    
    
frame=   76 fps= 10 q=12.0 size=     606kB time=00:00:06.90 bitrate= 719.8kbits/s speed=0.913x    
    
frame=   81 fps= 10 q=10.0 size=     625kB time=00:00:07.40 bitrate= 691.8kbits/s speed=0.917x    
    
frame=   86 fps= 10 q=10.0 size=     629kB time=00:00:07.90 bitrate= 652.2kbits/s speed=0.922x    
    
frame=   91 fps= 10 q=12.0 size=     634kB time=00:00:08.40 bitrate= 618.2kbits/s speed=0.926x    
    
frame=   97 fps= 10 q=10.0 size=     757kB time=00:00:09.00 bitrate= 689.3kbits/s speed=0.94x    
    
frame=  100 fps= 10 q=-1.0 Lsize=     772kB time=00:00:10.00 bitrate= 632.8kbits/s speed=0.998x    
    
video:771kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.153975%
    
[libx264 @ 00863fe0] frame I:1     Avg QP:20.00  size:242961
    
[libx264 @ 00863fe0] frame P:99    Avg QP:10.67  size:  5517
    
[libx264 @ 00863fe0] mb I  I16..4: 100.0%  0.0%  0.0%
    
[libx264 @ 00863fe0] mb P  I16..4:  0.8%  0.0%  0.0%  P16..4:  2.9%  0.0%  0.0%  0.0%  0.0%    skip:96.3%
    
[libx264 @ 00863fe0] coded y,uvDC,uvAC intra: 23.6% 15.1% 13.9% inter: 1.2% 1.3% 0.8%
    
[libx264 @ 00863fe0] i16 v,h,dc,p: 65% 33%  1%  1%
    
[libx264 @ 00863fe0] i8c dc,h,v,p: 61% 25% 13%  0%
    
[libx264 @ 00863fe0] kb/s:631.31

  • Frame rate very high for a muxer not efficiently supporting it

    24 décembre 2018, par DevDave

    I got an error when trying to run the following command with FFMpeg :

    -i "file1.mp4" -s 506x406 -b:v 2000k -ar 22050 "file2.mp4"

    FFMpeg was stuck converting this video, which was just a 7Mb .mp4 file, for hours and eventually I had to kill the process.

    The output error from FFMpeg is as follows :

    Converter Error Message: 
    
ffmpeg version N-42069-g3233ad4 Copyright (c) 2000-2012 the FFmpeg developers
    
  built on Jun 30 2012 13:18:20 with gcc 4.7.1
    
  configuration: --enable-gpl --enable-version3 --disable-w32threads --enable-runtime-cpudetect --enable-avisynth --enable-bzlib --enable-frei0r --enable-libass --enable-libcelt --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libfreetype --enable-libgsm --enable-libmp3lame --enable-libnut --enable-libopenjpeg --enable-librtmp --enable-libschroedinger --enable-libspeex --enable-libtheora --enable-libutvideo --enable-libvo-aacenc --enable-libvo-amrwbenc --enable-libvorbis --enable-libvpx --enable-libx264 --enable-libxavs --enable-libxvid --enable-zlib
    
  libavutil      51. 63.100 / 51. 63.100
    
  libavcodec     54. 31.100 / 54. 31.100
    
  libavformat    54. 14.100 / 54. 14.100
    
  libavdevice    54.  0.100 / 54.  0.100
    
  libavfilter     3.  0.100 /  3.  0.100
    
  libswscale      2.  1.100 /  2.  1.100
    
  libswresample   0. 15.100 /  0. 15.100
    
  libpostproc    52.  0.100 / 52.  0.100
    
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'File1.mp4':
    
  Metadata:
    
    major_brand     : mp42
    
    minor_version   : 1
    
    compatible_brands: mp42mp41
    
    creation_time   : 2013-07-18 15:38:11
    
  Duration: 00:02:02.23, start: -7.105889, bitrate: 518 kb/s
    
    Stream #0:0(und): Video: h264 (Main) (avc1 / 0x31637661), yuv420p, 718x574 [SAR 64:45 DAR 22976:12915], 361 kb/s, 24.97 fps, 90k tbr, 90k tbn, 180k tbc
    
    Metadata:
    
      creation_time   : 2013-07-18 15:38:11
    
      handler_name    : Apple Video Media Handler
    
    Stream #0:1(und): Audio: aac (mp4a / 0x6134706D), 48000 Hz, stereo, s16, 129 kb/s
    
    Metadata:
    
      creation_time   : 2013-07-18 15:38:11
    
      handler_name    : Apple Sound Media Handler
    
[graph 0 input from stream 0:0 @ 0259cee0] w:718 h:574 pixfmt:yuv420p tb:1/90000 fr:90000/1 sar:64/45 sws_param:flags=2
    
[output stream 0:0 @ 0259cda0] No opaque field provided
    
[scaler for output stream 0:0 @ 0259c0e0] w:718 h:574 fmt:yuv420p sar:64/45 -> w:506 h:406 fmt:yuv420p sar:666304/466785 flags:0x4
    
**[mp4 @ 02599020] Frame rate very high for a muxer not efficiently supporting it.
    
Please consider specifying a lower framerate, a different muxer or -vsync 2**
    
[graph 1 input from stream 0:1 @ 02b88200] tb:1/48000 samplefmt:s16 samplerate:48000 chlayout:0x3
    
[auto-inserted resampler 0 @ 024e44e0] chl:stereo fmt:s16 r:48000Hz -> chl:stereo fmt:s16 r:22050Hz
    
[libx264 @ 02407200] using SAR=895/627
    
[libx264 @ 02407200] MB rate (74880000) > level limit (2073600)
    
[libx264 @ 02407200] using cpu capabilities: MMX2 SSE2Fast SSSE3 Cache64
    
[libx264 @ 02407200] profile High, level 5.2
    
[libx264 @ 02407200] 264 - core 125 r2200 999b753 - H.264/MPEG-4 AVC codec - Copyleft 2003-2012 - 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=3 lookahead_threads=1 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=abr mbtree=1 bitrate=2000 ratetol=1.0 qcomp=0.60 qpmin=0 qpmax=69 qpstep=4 ip_ratio=1.40 aq=1:1.00
    
Output #0, mp4, to 'File2.mp4':
    
  Metadata:
    
    major_brand     : mp42
    
    minor_version   : 1
    
    compatible_brands: mp42mp41
    
    encoder         : Lavf54.14.100
    
    Stream #0:0(und): Video: h264 ([33][0][0][0] / 0x0021), yuv420p, 506x406 [SAR 666304:466785 DAR 22976:12915], q=-1--1, 2000 kb/s, 180k tbn, 90k tbc
    
    Metadata:
    
      creation_time   : 2013-07-18 15:38:11
    
      handler_name    : Apple Video Media Handler
    
    Stream #0:1(und): Audio: aac ([64][0][0][0] / 0x0040), 22050 Hz, stereo, s16, 128 kb/s
    
    Metadata:
    
      creation_time   : 2013-07-18 15:38:11
    
      handler_name    : Apple Sound Media Handler
    
Stream mapping:
    
  Stream #0:0 -> #0:0 (h264 -> libx264)
    
  Stream #0:1 -> #0:1 (aac -> libvo_aacenc)
    
Press [q] to stop, [?] for help
    
DTS -3600, next:-79995 st:0 invalid dropping
    
frame= 7201 fps=768 q=69.0 size=       0kB time=00:00:00.00 bitrate=   0.0kbits/s dup=7198 drop=0    
    
frame=10801 fps=575 q=69.0 size=       0kB time=00:00:00.00 bitrate=   0.0kbits/s dup=10797 drop=0    
    
frame=14401 fps=516 q=69.0 size=       0kB time=00:00:00.00 bitrate=   0.0kbits/s dup=14396 drop=0    
    
frame=18001 fps=484 q=69.0 size=       0kB time=00:00:00.00 bitrate=   0.0kbits/s dup=17995 drop=0    
    
frame=21601 fps=464 q=69.0 size=       0kB time=00:00:00.00 bitrate=   0.0kbits/s dup=21594 drop=0    
    
frame=25201 fps=454 q=69.0 size=       0kB time=00:00:00.00 bitrate=   0.0kbits/s dup=25193 drop=0    
    
.....

    And it just pretty much carries on like that until when I killed the process.

    Can anyone explain to me what is going on here and what I can do to fix this ?

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