[FFmpeg-trac] #9303(undetermined:new): Trimmed desktop

[FFmpeg]

#9303: Trimmed desktop
-------------------------------------+-------------------------------------
             Reporter:  Igor         |                    Owner:  (none)
  Kulikovskiy                        |
                 Type:  defect       |                   Status:  new
             Priority:  normal       |                Component:
                                     |  undetermined
              Version:  unspecified  |               Resolution:
             Keywords:  gdigrab      |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
-------------------------------------+-------------------------------------
Comment (by Igor Kulikovskiy):

 With the current FFmpeg git head, the same problem

 $ ffmpeg -f gdigrab -i desktop -pix_fmt yuv420p -c:v libx264 out.mp4
 ffmpeg version 2021-06-27-git-49e3a8165c-full_build-www.gyan.dev Copyright
 (c) 2000-2021 the FFmpeg developers
   built with gcc 10.3.0 (Rev2, Built by MSYS2 project)
   configuration: --enable-gpl --enable-version3 --enable-static --disable-
 w32threads --disable-autodetect --enable-fontconfig --enable-iconv
 --enable-gnutls --enable-libxml2 --enable-gmp --enable-lzma --enable-
 libsnappy --enable-zlib --enable-librist --enable-libsrt --enable-libssh
 --enable-libzmq --enable-avisynth --enable-libbluray --enable-libcaca
 --enable-sdl2 --enable-libdav1d --enable-libzvbi --enable-librav1e
 --enable-libsvtav1 --enable-libx264 --enable-libx265 --enable-libxvid
 --enable-libaom --enable-libopenjpeg --enable-libvpx --enable-libass
 --enable-frei0r --enable-libfreetype --enable-libfribidi --enable-
 libvidstab --enable-libvmaf --enable-libzimg --enable-amf --enable-cuda-
 llvm --enable-cuvid --enable-ffnvcodec --enable-nvdec --enable-nvenc
 --enable-d3d11va --enable-dxva2 --enable-libmfx --enable-libglslang
 --enable-vulkan --enable-opencl --enable-libcdio --enable-libgme --enable-
 libmodplug --enable-libopenmpt --enable-libopencore-amrwb --enable-
 libmp3lame --enable-libshine --enable-libtheora --enable-libtwolame
 --enable-libvo-amrwbenc --enable-libilbc --enable-libgsm --enable-
 libopencore-amrnb --enable-libopus --enable-libspeex --enable-libvorbis
 --enable-ladspa --enable-libbs2b --enable-libflite --enable-libmysofa
 --enable-librubberband --enable-libsoxr --enable-chromaprint
   libavutil      57.  0.100 / 57.  0.100
   libavcodec     59.  2.100 / 59.  2.100
   libavformat    59.  3.101 / 59.  3.101
   libavdevice    59.  0.100 / 59.  0.100
   libavfilter     8.  0.103 /  8.  0.103
   libswscale      6.  0.100 /  6.  0.100
   libswresample   4.  0.100 /  4.  0.100
   libpostproc    56.  0.100 / 56.  0.100
 [gdigrab @ 000000000297e200] Capturing whole desktop as 4096x1440x32 at
 (0,0)
 [gdigrab @ 000000000297e200] Stream #0: not enough frames to estimate
 rate; consider increasing probesize
 Input #0, gdigrab, from 'desktop':
   Duration: N/A, start: 1624946082.350704, bitrate: 5656666 kb/s
   Stream #0:0: Video: bmp, bgra, 4096x1440, 5656666 kb/s, 29.97 fps, 1000k
 tbr, 1000k tbn
 File 'out.mp4' already exists. Overwrite? [y/N] y
 Stream mapping:
   Stream #0:0 -> #0:0 (bmp (native) -> h264 (libx264))
 Press [q] to stop, [?] for help
 [libx264 @ 0000000002981540] using cpu capabilities: MMX2 SSE2Fast SSSE3
 SSE4.2 AVX FMA3 BMI2 AVX2
 [libx264 @ 0000000002981540] profile High, level 5.1, 4:2:0, 8-bit
 [libx264 @ 0000000002981540] 264 - core 164 r3065 ae03d92 - H.264/MPEG-4
 AVC codec - Copyleft 2003-2021 - 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=18
 lookahead_threads=3 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 'out.mp4':
   Metadata:
     encoder         : Lavf59.3.101
   Stream #0:0: Video: h264 (avc1 / 0x31637661), yuv420p(tv, progressive),
 4096x1440, q=2-31, 29.97 fps, 30k tbn
     Metadata:
       encoder         : Lavc59.2.100 libx264
     Side data:
       cpb: bitrate max/min/avg: 0/0/0 buffer size: 0 vbv_delay: N/A
 frame=  725 fps= 45 q=29.0 size=    1792kB time=00:00:22.02 bitrate=
 666.6kbits/s dup=555 drop=0 speed=1.38x
-- 
Ticket URL: <https://trac.ffmpeg.org/ticket/9303#comment:2>
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