added files via upload

Tweaks/YTUHD/Tweak.x

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+#import "Header.h"
+
+BOOL UseVP9() {
+    return [[NSUserDefaults standardUserDefaults] boolForKey:UseVP9Key];
+}
+
+// Remove any <= 1080p VP9 formats
+NSArray *filteredFormats(NSArray <MLFormat *> *formats) {
+    NSPredicate *predicate = [NSPredicate predicateWithBlock:^BOOL(MLFormat *format, NSDictionary *bindings) {
+        return [format height] > 1080 || [[format MIMEType] videoCodec] != 'vp09';
+    }];
+    return [formats filteredArrayUsingPredicate:predicate];
+}
+
+%hook MLHAMPlayerItem
+
+- (void)load {
+    MLInnerTubePlayerConfig *config = [self config];
+    YTIMediaCommonConfig *mediaCommonConfig = [config mediaCommonConfig];
+    mediaCommonConfig.useServerDrivenAbr = NO;
+    %orig;
+}
+
+%end
+
+static void hookFormats(MLABRPolicy *self) {
+    YTIHamplayerConfig *config = [self valueForKey:@"_hamplayerConfig"];
+    config.videoAbrConfig.preferSoftwareHdrOverHardwareSdr = YES;
+    if ([config respondsToSelector:@selector(setDisableResolveOverlappingQualitiesByCodec:)])
+        config.disableResolveOverlappingQualitiesByCodec = NO;
+    YTIHamplayerStreamFilter *filter = config.streamFilter;
+    filter.enableVideoCodecSplicing = YES;
+    filter.vp9.maxArea = MAX_PIXELS;
+    filter.vp9.maxFps = MAX_FPS;
+}
+
+%hook MLABRPolicy
+
+- (void)setFormats:(NSArray *)formats {
+    hookFormats(self);
+    %orig(filteredFormats(formats));
+}
+
+%end
+
+%hook MLABRPolicyOld
+
+- (void)setFormats:(NSArray *)formats {
+    hookFormats(self);
+    %orig(filteredFormats(formats));
+}
+
+%end
+
+%hook YTHotConfig
+
+- (BOOL)iosClientGlobalConfigEnableNewMlabrpolicy {
+    return NO;
+}
+
+- (BOOL)iosPlayerClientSharedConfigEnableNewMlabrpolicy {
+    return NO;
+}
+
+%end
+
+%ctor {
+    if (UseVP9()) {
+        %init;
+    }
+}