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Keep/turn the display on during streaming

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IDXGIDuplication::DuplicateOutput() may fail with 0x80070005 if the display is off and cause streaming to fail
This commit is contained in:
Cameron Gutman 2023-04-30 01:09:38 -05:00
parent 8347824eee
commit c8d4fd9f69
1 changed files with 48 additions and 27 deletions
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75
src/platform/windows/display_base.cpp
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@ -110,6 +110,15 @@ namespace platf::dxgi {
CloseHandle(timer);
});
// Keep the display awake during capture. If the display goes to sleep during
// capture, best case is that capture stops until it powers back on. However,
// worst case it will trigger us to reinit DD, waking the display back up in
// a neverending cycle of waking and sleeping the display of an idle machine.
SetThreadExecutionState(ES_CONTINUOUS | ES_DISPLAY_REQUIRED);
auto clear_display_required = util::fail_guard([]() {
SetThreadExecutionState(ES_CONTINUOUS);
});
while (true) {
// This will return false if the HDR state changes or for any number of other
// display or GPU changes. We should reinit to examine the updated state of
@ -342,46 +351,58 @@ namespace platf::dxgi {
auto output_name = converter.from_bytes(display_name);
adapter_t::pointer adapter_p;
for (int x = 0; factory->EnumAdapters1(x, &adapter_p) != DXGI_ERROR_NOT_FOUND; ++x) {
dxgi::adapter_t adapter_tmp { adapter_p };
for (int tries = 0; tries < 2; ++tries) {
for (int x = 0; factory->EnumAdapters1(x, &adapter_p) != DXGI_ERROR_NOT_FOUND; ++x) {
dxgi::adapter_t adapter_tmp { adapter_p };
DXGI_ADAPTER_DESC1 adapter_desc;
adapter_tmp->GetDesc1(&adapter_desc);
DXGI_ADAPTER_DESC1 adapter_desc;
adapter_tmp->GetDesc1(&adapter_desc);
if (!adapter_name.empty() && adapter_desc.Description != adapter_name) {
continue;
}
dxgi::output_t::pointer output_p;
for (int y = 0; adapter_tmp->EnumOutputs(y, &output_p) != DXGI_ERROR_NOT_FOUND; ++y) {
dxgi::output_t output_tmp { output_p };
DXGI_OUTPUT_DESC desc;
output_tmp->GetDesc(&desc);
if (!output_name.empty() && desc.DeviceName != output_name) {
if (!adapter_name.empty() && adapter_desc.Description != adapter_name) {
continue;
}
if (desc.AttachedToDesktop && test_dxgi_duplication(adapter_tmp, output_tmp)) {
output = std::move(output_tmp);
dxgi::output_t::pointer output_p;
for (int y = 0; adapter_tmp->EnumOutputs(y, &output_p) != DXGI_ERROR_NOT_FOUND; ++y) {
dxgi::output_t output_tmp { output_p };
offset_x = desc.DesktopCoordinates.left;
offset_y = desc.DesktopCoordinates.top;
width = desc.DesktopCoordinates.right - offset_x;
height = desc.DesktopCoordinates.bottom - offset_y;
DXGI_OUTPUT_DESC desc;
output_tmp->GetDesc(&desc);
// left and bottom may be negative, yet absolute mouse coordinates start at 0x0
// Ensure offset starts at 0x0
offset_x -= GetSystemMetrics(SM_XVIRTUALSCREEN);
offset_y -= GetSystemMetrics(SM_YVIRTUALSCREEN);
if (!output_name.empty() && desc.DeviceName != output_name) {
continue;
}
if (desc.AttachedToDesktop && test_dxgi_duplication(adapter_tmp, output_tmp)) {
output = std::move(output_tmp);
offset_x = desc.DesktopCoordinates.left;
offset_y = desc.DesktopCoordinates.top;
width = desc.DesktopCoordinates.right - offset_x;
height = desc.DesktopCoordinates.bottom - offset_y;
// left and bottom may be negative, yet absolute mouse coordinates start at 0x0
// Ensure offset starts at 0x0
offset_x -= GetSystemMetrics(SM_XVIRTUALSCREEN);
offset_y -= GetSystemMetrics(SM_YVIRTUALSCREEN);
}
}
if (output) {
adapter = std::move(adapter_tmp);
break;
}
}
if (output) {
adapter = std::move(adapter_tmp);
break;
}
// If we made it here without finding an output, try to power on the display and retry.
if (tries == 0) {
SetThreadExecutionState(ES_DISPLAY_REQUIRED);
Sleep(500);
}
}
if (!output) {