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Select the highest full-screen refresh rate that our stream FPS evenly divides

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Cameron Gutman
2018-09-03 22:54:41 -04:00
parent 6d6acf4308
commit af6e99cbac
4 changed files with 73 additions and 16 deletions
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22
app/settings/streamingpreferences.cpp
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@@ -91,12 +91,26 @@ int StreamingPreferences::getMaximumStreamingFrameRate()
return maxFrameRate;
}
for (int i = 0; i < SDL_GetNumVideoDisplays(); i++) {
SDL_DisplayMode mode;
if (SDL_GetCurrentDisplayMode(i, &mode) == 0) {
SDL_DisplayMode mode, bestMode, desktopMode;
for (int displayIndex = 0; displayIndex < SDL_GetNumVideoDisplays(); displayIndex++) {
// Get the native desktop resolution
if (SDL_GetDesktopDisplayMode(displayIndex, &desktopMode) == 0) {
// Start at desktop mode and work our way up
bestMode = desktopMode;
for (int i = 0; i < SDL_GetNumDisplayModes(displayIndex); i++) {
if (SDL_GetDisplayMode(displayIndex, i, &mode) == 0) {
if (mode.w == desktopMode.w && mode.h == desktopMode.h) {
if (mode.refresh_rate > bestMode.refresh_rate) {
bestMode = mode;
}
}
}
}
// Cap the frame rate at 120 FPS. Past this, the encoders start
// to max out and drop frames.
maxFrameRate = qMax(maxFrameRate, qMin(120, mode.refresh_rate));
maxFrameRate = qMax(maxFrameRate, qMin(120, bestMode.refresh_rate));
}
}