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Add function for querying maximum supported streaming frame rate

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This commit is contained in:
Cameron Gutman 2018-07-28 00:25:52 -07:00
parent d9ed3f9694
commit 59d087adf5
2 changed files with 28 additions and 0 deletions
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26
app/settings/streamingpreferences.cpp
View File

@ -67,6 +67,32 @@ bool StreamingPreferences::hasAnyHardwareAcceleration()
1920, 1080, 60);
}
int StreamingPreferences::getMaximumStreamingFrameRate()
{
// Never let the maximum drop below 60 FPS
int maxFrameRate = 60;
if (SDL_InitSubSystem(SDL_INIT_VIDEO) != 0) {
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
"SDL_InitSubSystem(SDL_INIT_VIDEO) failed: %s",
SDL_GetError());
return maxFrameRate;
}
for (int i = 0; i < SDL_GetNumVideoDisplays(); i++) {
SDL_DisplayMode mode;
if (SDL_GetCurrentDisplayMode(i, &mode) == 0) {
// Cap the frame rate at 90 FPS, since I can't seem to get
// much more out of GFE even with the game rendering at > 300 FPS.
maxFrameRate = qMax(maxFrameRate, qMin(90, mode.refresh_rate));
}
}
SDL_QuitSubSystem(SDL_INIT_VIDEO);
return maxFrameRate;
}
int StreamingPreferences::getDefaultBitrate(int width, int height, int fps)
{
if (width * height * fps <= 1280 * 720 * 30) {

2
app/settings/streamingpreferences.h
View File

@ -16,6 +16,8 @@ public:
Q_INVOKABLE static bool hasAnyHardwareAcceleration();
Q_INVOKABLE static int getMaximumStreamingFrameRate();
void reload();
enum AudioConfig