#9424: gdigrab input device does not properly scale the screen after display
resolution change
-------------------------------------+-------------------------------------
Reporter: Mykola | Type: defect
Mokhnach |
Status: new | Priority: normal
Component: | Version:
undetermined | unspecified
Keywords: | Blocked By:
Blocking: | Reproduced by developer: 0
Analyzed by developer: 0 |
-------------------------------------+-------------------------------------
OS: Windows 10
How to reproduce:
1. Set display resolution to AxB
2. Start ffmpeg screen recording with the below command
3. Change the display resolution to CxD, which is higher than AxB
4. Stop recording the video and watch it
Actual result:
In the recorded video the actual display content is cut off to the initial
resolution value
Expected result:
The recorded video should properly fit/scale/pad the screen content after
display resolution change
{{{
%ffmpeg.exe -y -f gdigrab -framerate 4 -r 4 -i desktop -filter_complex
"[0:v]split=2[ts][capture];[ts]setpts=time(0)*FR[ts];[capture]scale=1280:960:force_original_aspect_ratio=decrease:eval=frame,pad=1280:960:-1:-1:color=black[capture]"
-map "[ts]" -vsync 0 -flush_packets 1 -f mkvtimestamp_v2 output_ts.txt
-map "[capture]" -c:v libx264 -tune zerolatency -preset veryfast -fflags
nobuffer -pix_fmt yuv420p -movflags +faststart -f mp4 output.mp4
ffmpeg version 2021-09-11-git-3e127b595a-full_build-www.gyan.dev Copyright
(c) 2000-2021 the FFmpeg developers
built with gcc 10.3.0 (Rev5, 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-libwebp --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. 5.100 / 57. 5.100
libavcodec 59. 7.103 / 59. 7.103
libavformat 59. 5.100 / 59. 5.100
libavdevice 59. 0.101 / 59. 0.101
libavfilter 8. 9.100 / 8. 9.100
libswscale 6. 1.100 / 6. 1.100
libswresample 4. 0.100 / 4. 0.100
libpostproc 56. 0.100 / 56. 0.100
Hyper fast Audio and Video encoder
}}}
Patches should be submitted to the ffmpeg-devel mailing list and not this
bug tracker.
--
Ticket URL: <https://trac.ffmpeg.org/ticket/9424>
FFmpeg <https://ffmpeg.org>
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