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Clamp stream resolution and FPS to device capabilities

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This commit is contained in:
Cameron Gutman
2019-10-12 18:07:47 -07:00
parent 1121a918d1
commit 09ac6cc057
1 changed files with 22 additions and 1 deletions
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23
Limelight/ViewControllers/MainFrameViewController.m
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@@ -29,6 +29,8 @@
#if !TARGET_OS_TV
#import "SettingsViewController.h"
#else
#import <sys/utsname.h>
#endif
#import <VideoToolbox/VideoToolbox.h>
@@ -492,9 +494,28 @@ static NSMutableSet* hostList;
TemporarySettings* streamSettings = [dataMan getSettings];
_streamConfig.frameRate = [streamSettings.framerate intValue];
_streamConfig.bitRate = [streamSettings.bitrate intValue];
if (@available(iOS 10.3, *)) {
// Don't stream more FPS than the display can show
if (_streamConfig.frameRate > [UIScreen mainScreen].maximumFramesPerSecond) {
_streamConfig.frameRate = (int)[UIScreen mainScreen].maximumFramesPerSecond;
Log(LOG_W, @"Clamping FPS to maximum refresh rate: %d", _streamConfig.frameRate);
}
}
_streamConfig.height = [streamSettings.height intValue];
_streamConfig.width = [streamSettings.width intValue];
#ifdef TARGET_OS_TV
// Don't allow streaming 4K on the Apple TV HD
struct utsname systemInfo;
uname(&systemInfo);
if (strcmp(systemInfo.machine, "AppleTV5,3") == 0 && _streamConfig.height >= 2160) {
Log(LOG_W, @"4K streaming not supported on Apple TV HD");
_streamConfig.width = 1920;
_streamConfig.height = 1080;
}
#endif
_streamConfig.bitRate = [streamSettings.bitrate intValue];
_streamConfig.streamingRemotely = streamSettings.streamingRemotely;
_streamConfig.optimizeGameSettings = streamSettings.optimizeGames;
_streamConfig.playAudioOnPC = streamSettings.playAudioOnPC;