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Don't scale default bitrate further beyond 90 FPS

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Cameron Gutman 2023-09-02 15:54:12 -05:00
parent 9166e70524
commit 83f5f6cefc
1 changed files with 10 additions and 7 deletions
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17
app/settings/streamingpreferences.cpp
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@ -298,28 +298,31 @@ void StreamingPreferences::save()
int StreamingPreferences::getDefaultBitrate(int width, int height, int fps)
{
// Don't scale bitrate further beyond 90 FPS. It's definitely not a linear
// bitrate increase for frame rate once we get to values that high.
float frameRateFactor = qMin(90, fps) / 30;
// This table prefers 16:10 resolutions because they are
// only slightly more pixels than the 16:9 equivalents, so
// we don't want to bump those 16:10 resolutions up to the
// next 16:9 slot.
if (width * height <= 640 * 360) {
return static_cast<int>(1000 * (fps / 30.0));
return static_cast<int>(1000 * frameRateFactor);
}
else if (width * height <= 854 * 480) {
return static_cast<int>(1500 * (fps / 30.0));
return static_cast<int>(1500 * frameRateFactor);
}
// This covers 1280x720 and 1280x800 too
else if (width * height <= 1366 * 768) {
return static_cast<int>(5000 * (fps / 30.0));
return static_cast<int>(5000 * frameRateFactor);
}
else if (width * height <= 1920 * 1200) {
return static_cast<int>(10000 * (fps / 30.0));
return static_cast<int>(10000 * frameRateFactor);
}
else if (width * height <= 2560 * 1600) {
return static_cast<int>(20000 * (fps / 30.0));
return static_cast<int>(20000 * frameRateFactor);
}
else /* if (width * height <= 3840 * 2160) */ {
return static_cast<int>(40000 * (fps / 30.0));
return static_cast<int>(40000 * frameRateFactor);
}
}