Mouse wrong scaling

[Кабалин Сергей]

Incorrect mouse cursor scaling when capturing NoMachine window with MacOs with "show remote cursor pointer" enabled in input settings of nomachine

May need to use the DrawIconEx function instead of DrawIcon

OBS:
​https://github.com/obsproject/obs-studio/blob/7eb46d50b729e666cc49fa760085dafc083b16f7/plugins/win-capture/dc-capture.c#L105

ffmpeg:
​https://github.com/FFmpeg/FFmpeg/blob/bc70684e74a185d7b80c8b80bdedda659cb581b8/libavdevice/gdigrab.c#L520

H:\ffmpeg-n5.1-latest-win64-gpl-5.1\bin>.\ffmpeg.exe -f gdigrab -framerate 30 -video_size 1388x788 -show_region 1 -i desktop output.mp4
ffmpeg version n5.1.1-4-g425ffaec23-20220914 Copyright (c) 2000-2022 the FFmpeg developers

built with gcc 12.1.0 (crosstool-NG 1.25.0.55_3defb7b)
configuration: --prefix=/ffbuild/prefix --pkg-config-flags=--static --pkg-config=pkg-config --cross-prefix=x86_64-w64-mingw32- --arch=x86_64 --target-os=mingw32 --enable-gpl --enable-version3 --disable-debug --disable-w32threads --enable-pthreads --enable-iconv --enable-libxml2 --enable-zlib --enable-libfreetype --enable-libfribidi --enable-gmp --enable-lzma --enable-fontconfig --enable-libvorbis --enable-opencl --disable-libpulse --enable-libvmaf --disable-libxcb --disable-xlib --enable-amf --enable-libaom --enable-libaribb24 --enable-avisynth --enable-libdav1d --enable-libdavs2 --disable-libfdk-aac --enable-ffnvcodec --enable-cuda-llvm --enable-frei0r --enable-libgme --enable-libkvazaar --enable-libass --enable-libbluray --enable-libjxl --enable-libmp3lame --enable-libopus --enable-librist --enable-libssh --enable-libtheora --enable-libvpx --enable-libwebp --enable-lv2 --enable-libmfx --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenh264 --enable-libopenjpeg --enable-libopenmpt --enable-librav1e --enable-librubberband --enable-schannel --enable-sdl2 --enable-libsoxr --enable-libsrt --enable-libsvtav1 --enable-libtwolame --enable-libuavs3d --disable-libdrm --disable-vaapi --enable-libvidstab --enable-vulkan --enable-libshaderc --enable-libplacebo --enable-libx264 --enable-libx265 --enable-libxavs2 --enable-libxvid --enable-libzimg --enable-libzvbi --extra-cflags=-DLIBTWOLAME_STATIC --extra-cxxflags= --extra-ldflags=-pthread --extra-ldexeflags= --extra-libs=-lgomp --extra-version=20220914
libavutil 57. 28.100 / 57. 28.100
libavcodec 59. 37.100 / 59. 37.100
libavformat 59. 27.100 / 59. 27.100
libavdevice 59. 7.100 / 59. 7.100
libavfilter 8. 44.100 / 8. 44.100
libswscale 6. 7.100 / 6. 7.100
libswresample 4. 7.100 / 4. 7.100
libpostproc 56. 6.100 / 56. 6.100

[gdigrab @ 00000262c3655d00] Capturing whole desktop as 1388x788x32 at (0,0)
[gdigrab @ 00000262c3655d00] Stream #0: not enough frames to estimate rate; consider increasing probesize
Input #0, gdigrab, from 'desktop':

Duration: N/A, start: 1663236123.343186, bitrate: 1050007 kb/s
Stream #0:0: Video: bmp, bgra, 1388x788, 1050007 kb/s, 30 fps, 1000k tbr, 1000k tbn

File 'output.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 @ 00000262c365dd80] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 AVX FMA3 BMI2 AVX2
[libx264 @ 00000262c365dd80] profile High 4:4:4 Predictive, level 3.2, 4:4:4, 8-bit
[libx264 @ 00000262c365dd80] 264 - core 164 - H.264/MPEG-4 AVC codec - Copyleft 2003-2022 - ​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=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 'output.mp4':

Metadata:

encoder : Lavf59.27.100

Stream #0:0: Video: h264 (avc1 / 0x31637661), yuv444p(tv, progressive), 1388x788, q=2-31, 30 fps, 15360 tbn

Metadata:

encoder : Lavc59.37.100 libx264

Side data:

cpb: bitrate max/min/avg: 0/0/0 buffer size: 0 vbv_delay: N/A

frame= 410 fps= 52 q=29.0 size= 256kB time=00:00:11.50 bitrate= 182.4kbits/s dup=195 drop=37 speed=1.46x
[q] command received. Exiting.
frame= 425 fps= 50 q=-1.0 Lsize= 399kB time=00:00:14.06 bitrate= 232.5kbits/s dup=195 drop=37 speed=1.65x
video:393kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 1.462847%
[libx264 @ 00000262c365dd80] frame I:2 Avg QP:17.15 size:129170
[libx264 @ 00000262c365dd80] frame P:113 Avg QP:24.66 size: 1057
[libx264 @ 00000262c365dd80] frame B:310 Avg QP:34.61 size: 79
[libx264 @ 00000262c365dd80] consecutive B-frames: 1.6% 1.9% 4.2% 92.2%
[libx264 @ 00000262c365dd80] mb I I16..4: 36.2% 40.0% 23.8%
[libx264 @ 00000262c365dd80] mb P I16..4: 0.1% 0.1% 0.1% P16..4: 0.4% 0.0% 0.0% 0.0% 0.0% skip:99.2%
[libx264 @ 00000262c365dd80] mb B I16..4: 0.0% 0.1% 0.0% B16..8: 0.4% 0.0% 0.0% direct: 0.0% skip:99.6% L0:53.1% L1:46.8% BI: 0.1%
[libx264 @ 00000262c365dd80] 8x8 transform intra:44.1% inter:31.1%
[libx264 @ 00000262c365dd80] coded y,u,v intra: 18.8% 15.2% 14.9% inter: 0.0% 0.0% 0.0%
[libx264 @ 00000262c365dd80] i16 v,h,dc,p: 58% 42% 0% 0%
[libx264 @ 00000262c365dd80] i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 49% 9% 41% 0% 0% 0% 0% 0% 0%
[libx264 @ 00000262c365dd80] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 32% 31% 15% 2% 4% 4% 5% 3% 5%
[libx264 @ 00000262c365dd80] Weighted P-Frames: Y:0.0% UV:0.0%
[libx264 @ 00000262c365dd80] ref P L0: 39.5% 5.2% 45.1% 10.2%
[libx264 @ 00000262c365dd80] ref B L0: 54.0% 43.7% 2.3%
[libx264 @ 00000262c365dd80] ref B L1: 95.9% 4.1%
[libx264 @ 00000262c365dd80] kb/s:227.15

[Carl Eugen Hoyos]

Is the issue reproducible with current FFmpeg git head, the only version supported on this bug tracker?

[Кабалин Сергей]

Replying to Carl Eugen Hoyos:

Is the issue reproducible with current FFmpeg git head, the only version supported on this bug tracker?

Repeats on program versions 4.4, 5.1 and git-master