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Fix: Improve stream window resizing logic

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This commit is contained in:
Laszlo Racz 2025-07-11 15:55:43 +02:00 committed by Cameron Gutman
parent 1bf86f52d3
commit 0c8354336b
1 changed files with 15 additions and 18 deletions
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23
app/streaming/session.cpp
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@ -1347,26 +1347,23 @@ void Session::getWindowDimensions(int& x, int& y,
SDL_Rect usableBounds;
if (SDL_GetDisplayUsableBounds(displayIndex, &usableBounds) == 0) {
// Don't use more than 80% of the display to leave room for system UI
// and ensure the target size is not odd (otherwise one of the sides
// of the image will have a one-pixel black bar next to it).
// If the stream resolution fits within the usable display area, use it directly
if (m_StreamConfig.width <= usableBounds.w &&
m_StreamConfig.height <= usableBounds.h) {
width = m_StreamConfig.width;
height = m_StreamConfig.height;
} else {
// Otherwise, use 80% of usable bounds and preserve aspect ratio
SDL_Rect src, dst;
src.x = src.y = dst.x = dst.y = 0;
src.w = m_StreamConfig.width;
src.h = m_StreamConfig.height;
dst.w = ((int)SDL_ceilf(usableBounds.w * 0.80f) & ~0x1);
dst.h = ((int)SDL_ceilf(usableBounds.h * 0.80f) & ~0x1);
// Scale the window size while preserving aspect ratio
dst.w = ((int)(usableBounds.w * 0.80f)) & ~0x1; // even width
dst.h = ((int)(usableBounds.h * 0.80f)) & ~0x1; // even height
StreamUtils::scaleSourceToDestinationSurface(&src, &dst);
// If the stream window can fit within the usable drawing area with 1:1
// scaling, do that rather than filling the screen.
if (m_StreamConfig.width < dst.w && m_StreamConfig.height < dst.h) {
width = m_StreamConfig.width;
height = m_StreamConfig.height;
}
else {
width = dst.w;
height = dst.h;
}