added files via upload

Tweaks/YTUHD/Common.x

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+#import "Header.h"
+#import <VideoToolbox/VideoToolbox.h>
+#import <sys/sysctl.h>
+#import <version.h>
+
+extern BOOL UseVP9();
+
+%hook YTSettings
+
+- (BOOL)isWebMEnabled {
+    return YES;
+}
+
+%end
+
+%group Spoofing
+
+%hook UIDevice
+
+- (NSString *)systemVersion {
+    return @"15.7.6";
+}
+
+%end
+
+%hook NSProcessInfo
+
+- (NSOperatingSystemVersion)operatingSystemVersion {
+    NSOperatingSystemVersion version;
+    version.majorVersion = 15;
+    version.minorVersion = 7;
+    version.patchVersion = 6;
+    return version;
+}
+
+%end
+
+%hookf(int, sysctlbyname, const char *name, void *oldp, size_t *oldlenp, void *newp, size_t newlen) {
+    if (strcmp(name, "kern.osversion") == 0) {
+        if (oldp)
+            strcpy((char *)oldp, IOS_BUILD);
+        *oldlenp = strlen(IOS_BUILD);
+    }
+    return %orig(name, oldp, oldlenp, newp, newlen);
+}
+
+%end
+
+// #ifdef SIDELOADED
+
+// #import "../PSHeader/Misc.h"
+
+// typedef struct OpaqueVTVideoDecoder VTVideoDecoderRef;
+// extern OSStatus VTSelectAndCreateVideoDecoderInstance(CMVideoCodecType codecType, CFAllocatorRef allocator, CFDictionaryRef videoDecoderSpecification, VTVideoDecoderRef *decoderInstanceOut);
+
+// #endif
+
+%ctor {
+    if (UseVP9()) {
+        %init;
+// #ifdef SIDELOADED
+//         CFMutableDictionaryRef payload = CFDictionaryCreateMutable(kCFAllocatorDefault, 1, &kCFTypeDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks);
+//         if (payload) {
+//             CFDictionarySetValue(payload, CFSTR("RequireHardwareAcceleratedVideoDecoder"), kCFBooleanTrue);
+//             CFDictionarySetValue(payload, CFSTR("AllowAlternateDecoderSelection"), kCFBooleanTrue);
+//             VTSelectAndCreateVideoDecoderInstance(kCMVideoCodecType_VP9, kCFAllocatorDefault, payload, NULL);
+//             CFRelease(payload);
+//         }
+// #endif
+        if (!IS_IOS_OR_NEWER(iOS_15_0)) {
+            %init(Spoofing);
+        }
+    }
+}