ffmpeg | branch: master | Dilshod Mukhtarov <dilsh...@gmail.com> | Sun Jan 27 23:09:53 2019 +0400| [d7c9ddd0c4b02c1e8872a299a6613f9b55b858a4] | committer: Carl Eugen Hoyos
libavdevice/gdigrab: fix HIDPI support for window capture In Windows if using scaling other than 100% then the grabbed window was not captured fully (cropped) Signed-off-by: Dilshod Mukhtarov <dilsh...@gmail.com> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=d7c9ddd0c4b02c1e8872a299a6613f9b55b858a4 --- libavdevice/gdigrab.c | 14 ++++++++++---- 1 file changed, 10 insertions(+), 4 deletions(-) diff --git a/libavdevice/gdigrab.c b/libavdevice/gdigrab.c index ab08c11788..0e6ae2bd5d 100644 --- a/libavdevice/gdigrab.c +++ b/libavdevice/gdigrab.c @@ -277,14 +277,20 @@ gdigrab_read_header(AVFormatContext *s1) } bpp = GetDeviceCaps(source_hdc, BITSPIXEL); + horzres = GetDeviceCaps(source_hdc, HORZRES); + vertres = GetDeviceCaps(source_hdc, VERTRES); + desktophorzres = GetDeviceCaps(source_hdc, DESKTOPHORZRES); + desktopvertres = GetDeviceCaps(source_hdc, DESKTOPVERTRES); + if (hwnd) { GetClientRect(hwnd, &virtual_rect); + /* window -- get the right height and width for scaling DPI */ + virtual_rect.left = virtual_rect.left * desktophorzres / horzres; + virtual_rect.right = virtual_rect.right * desktophorzres / horzres; + virtual_rect.top = virtual_rect.top * desktopvertres / vertres; + virtual_rect.bottom = virtual_rect.bottom * desktopvertres / vertres; } else { /* desktop -- get the right height and width for scaling DPI */ - horzres = GetDeviceCaps(source_hdc, HORZRES); - vertres = GetDeviceCaps(source_hdc, VERTRES); - desktophorzres = GetDeviceCaps(source_hdc, DESKTOPHORZRES); - desktopvertres = GetDeviceCaps(source_hdc, DESKTOPVERTRES); virtual_rect.left = GetSystemMetrics(SM_XVIRTUALSCREEN); virtual_rect.top = GetSystemMetrics(SM_YVIRTUALSCREEN); virtual_rect.right = (virtual_rect.left + GetSystemMetrics(SM_CXVIRTUALSCREEN)) * desktophorzres / horzres; _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog
