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Add warning when Desktop Duplication API masks protected content from capture

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This commit is contained in:
Cameron Gutman 2023-05-11 19:55:11 -05:00
parent 17124deb22
commit 33dafbc801
2 changed files with 9 additions and 0 deletions
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1
src/platform/windows/display.h
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@ -109,6 +109,7 @@ namespace platf::dxgi {
dup_t dup;
bool has_frame {};
bool use_dwmflush {};
std::chrono::steady_clock::time_point last_protected_content_warning_time {};
capture_e
next_frame(DXGI_OUTDUPL_FRAME_INFO &frame_info, std::chrono::milliseconds timeout, resource_t::pointer *res_p);

8
src/platform/windows/display_base.cpp
View File

@ -40,6 +40,14 @@ namespace platf::dxgi {
switch (status) {
case S_OK:
// ProtectedContentMaskedOut seems to semi-randomly be TRUE or FALSE even when protected content
// is on screen the whole time, so we can't just print when it changes. Instead we'll keep track
// of the last time we printed the warning and print another if we haven't printed one recently.
if (frame_info.ProtectedContentMaskedOut && std::chrono::steady_clock::now() > last_protected_content_warning_time + 10s) {
BOOST_LOG(warning) << "Windows is currently blocking DRM-protected content from capture. You may see black regions where this content would be."sv;
last_protected_content_warning_time = std::chrono::steady_clock::now();
}
has_frame = true;
return capture_e::ok;
case DXGI_ERROR_WAIT_TIMEOUT: