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https://github.com/tapframe/NuvioStreaming.git
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ksplayer optimizations
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tapframe
parent
80cdc98902
commit
96f79f7c72
4 changed files with 211 additions and 117 deletions
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@ -253,7 +253,14 @@ class KSPlayerView: UIView {
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KSOptions.hardwareDecode = false
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KSOptions.asynchronousDecompression = false
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KSOptions.secondPlayerType = nil
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#else
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// PERFORMANCE OPTIMIZATION: Enable asynchronous decompression globally
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// This ensures the global default is correct for all player instances
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KSOptions.asynchronousDecompression = true
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// Ensure hardware decode is enabled globally
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KSOptions.hardwareDecode = true
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#endif
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print("KSPlayerView: [PERF] Global settings: asyncDecomp=\(KSOptions.asynchronousDecompression), hwDecode=\(KSOptions.hardwareDecode)")
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}
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private func updateSubtitleFont(size: CGFloat) {
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@ -343,15 +350,45 @@ class KSPlayerView: UIView {
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}
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private func createOptions(with headers: [String: String]) -> KSOptions {
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let options = KSOptions()
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// Use custom HighPerformanceOptions subclass for frame buffer optimization
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let options = HighPerformanceOptions()
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// Disable native player remote control center integration; use RN controls
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options.registerRemoteControll = false
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// Reduce prebuffer to speed up start/seeks; keep a modest upper cap
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options.preferredForwardBufferDuration = 0.5
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options.maxBufferDuration = 10.0
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// Enable "second open" to relax startup/seek buffering thresholds
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// PERFORMANCE OPTIMIZATION: Optimal buffer durations for high bitrate
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// Increased buffer prevents stuttering during network hiccups with high bitrate streams
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options.preferredForwardBufferDuration = 3.0 // Increased from 0.5 for high bitrate stability
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options.maxBufferDuration = 20.0 // Increased from 10.0 to allow more aggressive buffering
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// Enable "second open" to relax startup/seek buffering thresholds (already enabled)
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options.isSecondOpen = true
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// PERFORMANCE OPTIMIZATION: Fast stream analysis for high bitrate content
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// Reduces startup latency significantly for large high-bitrate streams
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options.probesize = 50_000_000 // 50MB for faster format detection
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options.maxAnalyzeDuration = 5_000_000 // 5 seconds in microseconds for faster stream structure analysis
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// PERFORMANCE OPTIMIZATION: Decoder thread optimization
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// Use all available CPU cores for parallel decoding
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options.decoderOptions["threads"] = "0" // Use all CPU cores instead of "auto"
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// refcounted_frames already set to "1" in KSOptions init for memory efficiency
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// PERFORMANCE OPTIMIZATION: Hardware decode explicitly enabled
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// Ensure VideoToolbox hardware acceleration is always preferred for non-simulator
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#if targetEnvironment(simulator)
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options.hardwareDecode = false
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options.asynchronousDecompression = false
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#else
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options.hardwareDecode = true // Explicitly enable hardware decode
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// PERFORMANCE OPTIMIZATION: Asynchronous decompression (CRITICAL)
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// Offloads VideoToolbox decompression to background threads, preventing main thread stalls
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options.asynchronousDecompression = true
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#endif
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// PERFORMANCE OPTIMIZATION: Native HDR processing
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// Set destination dynamic range based on device capabilities to eliminate unnecessary color conversions
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options.destinationDynamicRange = getOptimalDynamicRange()
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// Configure audio for proper dialogue mixing using FFmpeg's pan filter
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// This approach uses standard audio engineering practices for multi-channel downmixing
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@ -365,12 +402,6 @@ class KSPlayerView: UIView {
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// This provides better spatial audio processing and natural dialogue mixing
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// options.audioFilters.append("surround=ang=45")
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#if targetEnvironment(simulator)
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options.hardwareDecode = false
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options.asynchronousDecompression = false
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#else
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options.hardwareDecode = KSOptions.hardwareDecode
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#endif
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if !headers.isEmpty {
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// Clean and validate headers before adding
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var cleanHeaders: [String: String] = [:]
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@ -391,6 +422,9 @@ class KSPlayerView: UIView {
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}
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}
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}
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print("KSPlayerView: [PERF] High-performance options configured: asyncDecomp=\(options.asynchronousDecompression), hwDecode=\(options.hardwareDecode), buffer=\(options.preferredForwardBufferDuration)s/\(options.maxBufferDuration)s, HDR=\(options.destinationDynamicRange?.description ?? "auto")")
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return options
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}
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@ -768,6 +802,73 @@ class KSPlayerView: UIView {
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"volume": currentVolume
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]
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}
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// MARK: - Performance Optimization Helpers
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/// Detects device HDR capabilities and returns optimal dynamic range setting
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/// This prevents unnecessary color space conversion overhead
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private func getOptimalDynamicRange() -> DynamicRange? {
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#if canImport(UIKit)
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let availableHDRModes = AVPlayer.availableHDRModes
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// If no HDR modes available, use SDR (nil will use content's native range)
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if availableHDRModes == AVPlayer.HDRMode(rawValue: 0) {
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return .sdr
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}
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// Prefer HDR10 if supported (most common HDR format)
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if availableHDRModes.contains(.hdr10) {
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return .hdr10
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}
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// Fallback to Dolby Vision if available
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if availableHDRModes.contains(.dolbyVision) {
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return .dolbyVision
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}
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// Fallback to HLG if available
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if availableHDRModes.contains(.hlg) {
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return .hlg
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}
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// Default to SDR if no HDR support
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return .sdr
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#else
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// macOS: Check screen capabilities
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return .sdr
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#endif
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}
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}
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// MARK: - High Performance KSOptions Subclass
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/// Custom KSOptions subclass that overrides frame buffer capacity for high bitrate content
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/// More buffered frames absorb decode spikes and network hiccups without quality loss
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private class HighPerformanceOptions: KSOptions {
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/// Override to increase frame buffer capacity for high bitrate content
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/// - Parameters:
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/// - fps: Video frame rate
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/// - naturalSize: Video resolution
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/// - isLive: Whether this is a live stream
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/// - Returns: Number of frames to buffer
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override func videoFrameMaxCount(fps: Float, naturalSize: CGSize, isLive: Bool) -> UInt8 {
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if isLive {
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// Increased from 4 to 8 for better live stream stability
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return 8
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}
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// For high bitrate VOD: increase buffer based on resolution
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if naturalSize.width >= 3840 || naturalSize.height >= 2160 {
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// 4K needs more buffer frames to handle decode spikes
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return 32
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} else if naturalSize.width >= 1920 || naturalSize.height >= 1080 {
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// 1080p benefits from more frames
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return 24
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}
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// Default for lower resolutions
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return 16
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}
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}
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extension KSPlayerView: KSPlayerLayerDelegate {
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@ -490,7 +490,7 @@
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"-lc++",
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);
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OTHER_SWIFT_FLAGS = "$(inherited) -D EXPO_CONFIGURATION_RELEASE";
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PRODUCT_BUNDLE_IDENTIFIER = com.nuvio.app;
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PRODUCT_BUNDLE_IDENTIFIER = com.nuviohub.app;
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PRODUCT_NAME = Nuvio;
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SWIFT_OBJC_BRIDGING_HEADER = "Nuvio/Nuvio-Bridging-Header.h";
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SWIFT_VERSION = 5.0;
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@ -1,101 +1,99 @@
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<?xml version="1.0" encoding="UTF-8"?>
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<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
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<plist version="1.0">
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<dict>
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<key>CADisableMinimumFrameDurationOnPhone</key>
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<true/>
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<key>CFBundleDevelopmentRegion</key>
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<string>$(DEVELOPMENT_LANGUAGE)</string>
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<key>CFBundleDisplayName</key>
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<string>Nuvio</string>
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<key>CFBundleExecutable</key>
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<string>$(EXECUTABLE_NAME)</string>
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<key>CFBundleIdentifier</key>
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<string>$(PRODUCT_BUNDLE_IDENTIFIER)</string>
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<key>CFBundleInfoDictionaryVersion</key>
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<string>6.0</string>
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<key>CFBundleName</key>
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<string>$(PRODUCT_NAME)</string>
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<key>CFBundlePackageType</key>
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<string>$(PRODUCT_BUNDLE_PACKAGE_TYPE)</string>
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<key>CFBundleShortVersionString</key>
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<string>1.2.7</string>
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<key>CFBundleSignature</key>
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<string>????</string>
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<key>CFBundleURLTypes</key>
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<array>
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<dict>
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<key>CFBundleURLSchemes</key>
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<array>
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<string>nuvio</string>
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<string>com.nuvio.app</string>
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</array>
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</dict>
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<dict>
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<key>CFBundleURLSchemes</key>
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<array>
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<string>exp+nuvio</string>
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</array>
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</dict>
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</array>
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<key>CFBundleVersion</key>
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<string>22</string>
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<key>LSMinimumSystemVersion</key>
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<string>12.0</string>
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<key>LSRequiresIPhoneOS</key>
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<true/>
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<key>LSSupportsOpeningDocumentsInPlace</key>
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<true/>
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<key>NSAppTransportSecurity</key>
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<dict>
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<key>NSAllowsArbitraryLoads</key>
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<true/>
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</dict>
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<key>NSBonjourServices</key>
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<array>
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<string>_http._tcp</string>
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</array>
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<key>NSLocalNetworkUsageDescription</key>
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<string>Allow $(PRODUCT_NAME) to access your local network</string>
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<key>NSMicrophoneUsageDescription</key>
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<string>This app does not require microphone access.</string>
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<key>RCTNewArchEnabled</key>
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<true/>
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<key>RCTRootViewBackgroundColor</key>
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<integer>4278322180</integer>
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<key>UIBackgroundModes</key>
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<array>
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<string>audio</string>
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</array>
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<key>UIFileSharingEnabled</key>
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<true/>
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<key>UILaunchStoryboardName</key>
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<string>SplashScreen</string>
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<key>UIRequiredDeviceCapabilities</key>
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<array>
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<string>arm64</string>
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</array>
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<key>UIRequiresFullScreen</key>
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<true/>
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<key>UIStatusBarStyle</key>
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<string>UIStatusBarStyleDefault</string>
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<key>UISupportedInterfaceOrientations</key>
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<array>
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<string>UIInterfaceOrientationPortrait</string>
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<string>UIInterfaceOrientationPortraitUpsideDown</string>
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<string>UIInterfaceOrientationLandscapeLeft</string>
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<string>UIInterfaceOrientationLandscapeRight</string>
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</array>
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<key>UISupportedInterfaceOrientations~ipad</key>
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<array>
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<string>UIInterfaceOrientationPortrait</string>
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<string>UIInterfaceOrientationPortraitUpsideDown</string>
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<string>UIInterfaceOrientationLandscapeLeft</string>
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<string>UIInterfaceOrientationLandscapeRight</string>
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</array>
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<key>UIUserInterfaceStyle</key>
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<string>Dark</string>
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<key>UIViewControllerBasedStatusBarAppearance</key>
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<false/>
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</dict>
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</plist>
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<dict>
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<key>CADisableMinimumFrameDurationOnPhone</key>
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<true/>
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<key>CFBundleDevelopmentRegion</key>
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<string>$(DEVELOPMENT_LANGUAGE)</string>
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<key>CFBundleDisplayName</key>
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<string>Nuvio</string>
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<key>CFBundleExecutable</key>
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<string>$(EXECUTABLE_NAME)</string>
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<key>CFBundleIdentifier</key>
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<string>$(PRODUCT_BUNDLE_IDENTIFIER)</string>
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<key>CFBundleInfoDictionaryVersion</key>
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<string>6.0</string>
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<key>CFBundleName</key>
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<string>$(PRODUCT_NAME)</string>
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<key>CFBundlePackageType</key>
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<string>$(PRODUCT_BUNDLE_PACKAGE_TYPE)</string>
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<key>CFBundleShortVersionString</key>
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<string>1.2.7</string>
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<key>CFBundleSignature</key>
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<string>????</string>
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<key>CFBundleURLTypes</key>
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<array>
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<dict>
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<key>CFBundleURLSchemes</key>
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<array>
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<string>nuvio</string>
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<string>com.nuvio.app</string>
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</array>
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</dict>
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<dict>
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<key>CFBundleURLSchemes</key>
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<array>
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<string>exp+nuvio</string>
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</array>
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</dict>
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</array>
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<key>CFBundleVersion</key>
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<string>22</string>
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<key>LSMinimumSystemVersion</key>
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<string>12.0</string>
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<key>LSRequiresIPhoneOS</key>
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<true/>
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<key>LSSupportsOpeningDocumentsInPlace</key>
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<true/>
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<key>NSAppTransportSecurity</key>
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<dict>
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<key>NSAllowsArbitraryLoads</key>
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<true/>
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</dict>
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<key>NSBonjourServices</key>
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<array>
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<string>_http._tcp</string>
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</array>
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<key>NSLocalNetworkUsageDescription</key>
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<string>Allow $(PRODUCT_NAME) to access your local network</string>
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<key>RCTNewArchEnabled</key>
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<true/>
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<key>RCTRootViewBackgroundColor</key>
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<integer>4278322180</integer>
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<key>UIBackgroundModes</key>
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<array>
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<string>audio</string>
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</array>
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<key>UIFileSharingEnabled</key>
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<true/>
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<key>UILaunchStoryboardName</key>
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<string>SplashScreen</string>
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<key>UIRequiredDeviceCapabilities</key>
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<array>
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<string>arm64</string>
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</array>
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<key>UIRequiresFullScreen</key>
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<true/>
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<key>UIStatusBarStyle</key>
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<string>UIStatusBarStyleDefault</string>
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<key>UISupportedInterfaceOrientations</key>
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<array>
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<string>UIInterfaceOrientationPortrait</string>
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<string>UIInterfaceOrientationPortraitUpsideDown</string>
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<string>UIInterfaceOrientationLandscapeLeft</string>
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<string>UIInterfaceOrientationLandscapeRight</string>
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</array>
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<key>UISupportedInterfaceOrientations~ipad</key>
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<array>
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<string>UIInterfaceOrientationPortrait</string>
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<string>UIInterfaceOrientationPortraitUpsideDown</string>
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<string>UIInterfaceOrientationLandscapeLeft</string>
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<string>UIInterfaceOrientationLandscapeRight</string>
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</array>
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<key>UIUserInterfaceStyle</key>
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<string>Dark</string>
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<key>UIViewControllerBasedStatusBarAppearance</key>
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<false/>
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</dict>
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</plist>
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@ -1,10 +1,5 @@
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<?xml version="1.0" encoding="UTF-8"?>
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<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
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<plist version="1.0">
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<dict>
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<key>aps-environment</key>
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<string>development</string>
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<key>com.apple.developer.associated-domains</key>
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<array/>
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</dict>
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</plist>
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<dict/>
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</plist>
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