NuvioStreaming/backup_sdk54_upgrade/KSPlayerView.swift
2025-10-15 01:51:57 +05:30

519 lines
20 KiB
Swift

//
// KSPlayerView.swift
// Nuvio
//
// Created by KSPlayer integration
//
import Foundation
import KSPlayer
import React
@objc(KSPlayerView)
class KSPlayerView: UIView {
private var playerView: IOSVideoPlayerView!
private var currentSource: NSDictionary?
private var isPaused = false
private var currentVolume: Float = 1.0
weak var viewManager: KSPlayerViewManager?
// Event blocks for Fabric
@objc var onLoad: RCTDirectEventBlock?
@objc var onProgress: RCTDirectEventBlock?
@objc var onBuffering: RCTDirectEventBlock?
@objc var onEnd: RCTDirectEventBlock?
@objc var onError: RCTDirectEventBlock?
@objc var onBufferingProgress: RCTDirectEventBlock?
// Property setters that React Native will call
@objc var source: NSDictionary? {
didSet {
if let source = source {
setSource(source)
}
}
}
@objc var paused: Bool = false {
didSet {
setPaused(paused)
}
}
@objc var volume: NSNumber = 1.0 {
didSet {
setVolume(volume.floatValue)
}
}
@objc var audioTrack: NSNumber = -1 {
didSet {
setAudioTrack(audioTrack.intValue)
}
}
@objc var textTrack: NSNumber = -1 {
didSet {
setTextTrack(textTrack.intValue)
}
}
override init(frame: CGRect) {
super.init(frame: frame)
setupPlayerView()
}
required init?(coder: NSCoder) {
super.init(coder: coder)
setupPlayerView()
}
private func setupPlayerView() {
playerView = IOSVideoPlayerView()
playerView.translatesAutoresizingMaskIntoConstraints = false
// Hide native controls - we use custom React Native controls
playerView.isUserInteractionEnabled = false
// Hide KSPlayer's built-in overlay/controls
playerView.controllerView.isHidden = true
playerView.contentOverlayView.isHidden = true
playerView.controllerView.alpha = 0
playerView.contentOverlayView.alpha = 0
playerView.controllerView.gestureRecognizers?.forEach { $0.isEnabled = false }
addSubview(playerView)
NSLayoutConstraint.activate([
playerView.topAnchor.constraint(equalTo: topAnchor),
playerView.leadingAnchor.constraint(equalTo: leadingAnchor),
playerView.trailingAnchor.constraint(equalTo: trailingAnchor),
playerView.bottomAnchor.constraint(equalTo: bottomAnchor)
])
// Set up player delegates and callbacks
setupPlayerCallbacks()
}
private func setupPlayerCallbacks() {
// Configure KSOptions (use static defaults where required)
KSOptions.isAutoPlay = false
#if targetEnvironment(simulator)
// Simulator: disable hardware decode and MEPlayer to avoid VT/Vulkan issues
KSOptions.hardwareDecode = false
KSOptions.asynchronousDecompression = false
KSOptions.secondPlayerType = nil
#endif
}
func setSource(_ source: NSDictionary) {
currentSource = source
guard let uri = source["uri"] as? String else {
print("KSPlayerView: No URI provided")
sendEvent("onError", ["error": "No URI provided in source"])
return
}
// Validate URL before proceeding
guard let url = URL(string: uri), url.scheme != nil else {
print("KSPlayerView: Invalid URL format: \(uri)")
sendEvent("onError", ["error": "Invalid URL format: \(uri)"])
return
}
var headers: [String: String] = [:]
if let headersDict = source["headers"] as? [String: String] {
headers = headersDict
}
// Choose player pipeline based on format
let isMKV = uri.lowercased().contains(".mkv")
#if targetEnvironment(simulator)
if isMKV {
// MKV not supported on AVPlayer in Simulator and MEPlayer is disabled
sendEvent("onError", ["error": "MKV playback is not supported in the iOS Simulator. Test on a real device."])
}
#else
if isMKV {
// Prefer MEPlayer (FFmpeg) for MKV on device
KSOptions.firstPlayerType = KSMEPlayer.self
KSOptions.secondPlayerType = nil
} else {
KSOptions.firstPlayerType = KSAVPlayer.self
KSOptions.secondPlayerType = KSMEPlayer.self
}
#endif
// Create KSPlayerResource with validated URL
let resource = KSPlayerResource(url: url, options: createOptions(with: headers), name: "Video")
print("KSPlayerView: Setting source: \(uri)")
print("KSPlayerView: URL scheme: \(url.scheme ?? "unknown"), host: \(url.host ?? "unknown")")
playerView.set(resource: resource)
// Set up delegate after setting the resource
playerView.playerLayer?.delegate = self
// Apply current state
if isPaused {
playerView.pause()
} else {
playerView.play()
}
setVolume(currentVolume)
}
private func createOptions(with headers: [String: String]) -> KSOptions {
let options = KSOptions()
// Disable native player remote control center integration; use RN controls
options.registerRemoteControll = false
// Configure audio for proper dialogue mixing using FFmpeg's pan filter
// This approach uses standard audio engineering practices for multi-channel downmixing
// Use conservative center channel mixing that preserves spatial audio
// c0 (Left) = 70% original left + 30% center (dialogue) + 20% rear left
// c1 (Right) = 70% original right + 30% center (dialogue) + 20% rear right
// This creates natural dialogue presence without the "playing on both ears" effect
options.audioFilters.append("pan=stereo|c0=0.7*c0+0.3*c2+0.2*c4|c1=0.7*c1+0.3*c2+0.2*c5")
// Alternative: Use FFmpeg's surround filter for more sophisticated downmixing
// This provides better spatial audio processing and natural dialogue mixing
// options.audioFilters.append("surround=ang=45")
#if targetEnvironment(simulator)
options.hardwareDecode = false
options.asynchronousDecompression = false
#else
options.hardwareDecode = KSOptions.hardwareDecode
#endif
if !headers.isEmpty {
// Clean and validate headers before adding
var cleanHeaders: [String: String] = [:]
for (key, value) in headers {
// Remove any null or empty values
if !value.isEmpty && value != "null" {
cleanHeaders[key] = value
}
}
if !cleanHeaders.isEmpty {
options.appendHeader(cleanHeaders)
print("KSPlayerView: Added headers: \(cleanHeaders.keys.joined(separator: ", "))")
if let referer = cleanHeaders["Referer"] ?? cleanHeaders["referer"] {
options.referer = referer
print("KSPlayerView: Set referer: \(referer)")
}
}
}
return options
}
func setPaused(_ paused: Bool) {
isPaused = paused
if paused {
playerView.pause()
} else {
playerView.play()
}
}
func setVolume(_ volume: Float) {
currentVolume = volume
playerView.playerLayer?.player.playbackVolume = volume
}
func seek(to time: TimeInterval) {
guard let playerLayer = playerView.playerLayer,
playerLayer.player.isReadyToPlay,
playerLayer.player.seekable else {
print("KSPlayerView: Cannot seek - player not ready or not seekable")
return
}
playerView.seek(time: time) { success in
if success {
print("KSPlayerView: Seek successful to \(time)")
} else {
print("KSPlayerView: Seek failed to \(time)")
}
}
}
func setAudioTrack(_ trackId: Int) {
if let player = playerView.playerLayer?.player {
let audioTracks = player.tracks(mediaType: .audio)
print("KSPlayerView: Available audio tracks count: \(audioTracks.count)")
print("KSPlayerView: Requested track ID: \(trackId)")
// Debug: Print all track information
for (index, track) in audioTracks.enumerated() {
print("KSPlayerView: Track \(index) - ID: \(track.trackID), Name: '\(track.name)', Language: '\(track.language ?? "nil")', isEnabled: \(track.isEnabled)")
}
// First try to find track by trackID (proper way)
var selectedTrack: MediaPlayerTrack? = nil
var trackIndex: Int = -1
// Try to find by exact trackID match
if let track = audioTracks.first(where: { Int($0.trackID) == trackId }) {
selectedTrack = track
trackIndex = audioTracks.firstIndex(where: { $0.trackID == track.trackID }) ?? -1
print("KSPlayerView: Found track by trackID \(trackId) at index \(trackIndex)")
}
// Fallback: treat trackId as array index
else if trackId >= 0 && trackId < audioTracks.count {
selectedTrack = audioTracks[trackId]
trackIndex = trackId
print("KSPlayerView: Found track by array index \(trackId) (fallback)")
}
if let track = selectedTrack {
print("KSPlayerView: Selecting track \(trackId) (index: \(trackIndex)): '\(track.name)' (ID: \(track.trackID))")
// Use KSPlayer's select method which properly handles track selection
player.select(track: track)
print("KSPlayerView: Successfully selected audio track \(trackId)")
// Verify the selection worked
DispatchQueue.main.asyncAfter(deadline: .now() + 0.5) { [weak self] in
let tracksAfter = player.tracks(mediaType: .audio)
for (index, track) in tracksAfter.enumerated() {
print("KSPlayerView: After selection - Track \(index) (ID: \(track.trackID)) isEnabled: \(track.isEnabled)")
}
}
// Configure audio downmixing for multi-channel tracks
configureAudioDownmixing(for: track)
} else if trackId == -1 {
// Disable all audio tracks (mute)
for track in audioTracks { track.isEnabled = false }
print("KSPlayerView: Disabled all audio tracks")
} else {
print("KSPlayerView: Track \(trackId) not found. Available track IDs: \(audioTracks.map { Int($0.trackID) }), array indices: 0..\(audioTracks.count - 1)")
}
} else {
print("KSPlayerView: No player available for audio track selection")
}
}
private func configureAudioDownmixing(for track: MediaPlayerTrack) {
// Check if this is a multi-channel audio track that needs downmixing
// This is a simplified check - in practice, you might want to check the actual channel layout
let trackName = track.name.lowercased()
let isMultiChannel = trackName.contains("5.1") || trackName.contains("7.1") ||
trackName.contains("truehd") || trackName.contains("dts") ||
trackName.contains("dolby") || trackName.contains("atmos")
if isMultiChannel {
print("KSPlayerView: Detected multi-channel audio track '\(track.name)', ensuring proper dialogue mixing")
print("KSPlayerView: Using FFmpeg pan filter for natural stereo downmixing")
} else {
print("KSPlayerView: Stereo or mono audio track '\(track.name)', no additional downmixing needed")
}
}
func setTextTrack(_ trackId: Int) {
if let player = playerView.playerLayer?.player {
let textTracks = player.tracks(mediaType: .subtitle)
print("KSPlayerView: Available text tracks count: \(textTracks.count)")
print("KSPlayerView: Requested text track ID: \(trackId)")
// First try to find track by trackID (proper way)
var selectedTrack: MediaPlayerTrack? = nil
var trackIndex: Int = -1
// Try to find by exact trackID match
if let track = textTracks.first(where: { Int($0.trackID) == trackId }) {
selectedTrack = track
trackIndex = textTracks.firstIndex(where: { $0.trackID == track.trackID }) ?? -1
print("KSPlayerView: Found text track by trackID \(trackId) at index \(trackIndex)")
}
// Fallback: treat trackId as array index
else if trackId >= 0 && trackId < textTracks.count {
selectedTrack = textTracks[trackId]
trackIndex = trackId
print("KSPlayerView: Found text track by array index \(trackId) (fallback)")
}
if let track = selectedTrack {
print("KSPlayerView: Selecting text track \(trackId) (index: \(trackIndex)): '\(track.name)' (ID: \(track.trackID))")
// Use KSPlayer's select method which properly handles track selection
player.select(track: track)
print("KSPlayerView: Successfully selected text track \(trackId)")
} else if trackId == -1 {
// Disable all subtitles
for track in textTracks { track.isEnabled = false }
print("KSPlayerView: Disabled all text tracks")
} else {
print("KSPlayerView: Text track \(trackId) not found. Available track IDs: \(textTracks.map { Int($0.trackID) }), array indices: 0..\(textTracks.count - 1)")
}
} else {
print("KSPlayerView: No player available for text track selection")
}
}
// Get available tracks for React Native
func getAvailableTracks() -> [String: Any] {
guard let player = playerView.playerLayer?.player else {
return ["audioTracks": [], "textTracks": []]
}
let audioTracks = player.tracks(mediaType: .audio).enumerated().map { index, track in
return [
"id": Int(track.trackID), // Use actual track ID, not array index
"index": index, // Keep index for backward compatibility
"name": track.name,
"language": track.language ?? "Unknown",
"languageCode": track.languageCode ?? "",
"isEnabled": track.isEnabled,
"bitRate": track.bitRate,
"bitDepth": track.bitDepth
]
}
let textTracks = player.tracks(mediaType: .subtitle).enumerated().map { index, track in
return [
"id": Int(track.trackID), // Use actual track ID, not array index
"index": index, // Keep index for backward compatibility
"name": track.name,
"language": track.language ?? "Unknown",
"languageCode": track.languageCode ?? "",
"isEnabled": track.isEnabled,
"isImageSubtitle": track.isImageSubtitle
]
}
return [
"audioTracks": audioTracks,
"textTracks": textTracks
]
}
// Get current player state for React Native
func getCurrentState() -> [String: Any] {
guard let player = playerView.playerLayer?.player else {
return [:]
}
return [
"currentTime": player.currentPlaybackTime,
"duration": player.duration,
"buffered": player.playableTime,
"isPlaying": !isPaused,
"volume": currentVolume
]
}
}
extension KSPlayerView: KSPlayerLayerDelegate {
func player(layer: KSPlayerLayer, state: KSPlayerState) {
switch state {
case .readyToPlay:
// Send onLoad event to React Native with track information
let p = layer.player
let tracks = getAvailableTracks()
sendEvent("onLoad", [
"duration": p.duration,
"currentTime": p.currentPlaybackTime,
"naturalSize": [
"width": p.naturalSize.width,
"height": p.naturalSize.height
],
"audioTracks": tracks["audioTracks"] ?? [],
"textTracks": tracks["textTracks"] ?? []
])
case .buffering:
sendEvent("onBuffering", ["isBuffering": true])
case .bufferFinished:
sendEvent("onBuffering", ["isBuffering": false])
case .playedToTheEnd:
sendEvent("onEnd", [:])
case .error:
// Error will be handled by the finish delegate method
break
default:
break
}
}
func player(layer: KSPlayerLayer, currentTime: TimeInterval, totalTime: TimeInterval) {
let p = layer.player
// Ensure we have valid duration before sending progress updates
if totalTime > 0 {
sendEvent("onProgress", [
"currentTime": currentTime,
"duration": totalTime,
"bufferTime": p.playableTime
])
}
}
func player(layer: KSPlayerLayer, finish error: Error?) {
if let error = error {
let errorMessage = error.localizedDescription
print("KSPlayerView: Player finished with error: \(errorMessage)")
// Provide more specific error messages for common issues
var detailedError = errorMessage
if errorMessage.contains("avformat can't open input") {
detailedError = "Unable to open video stream. This could be due to:\n• Invalid or malformed URL\n• Network connectivity issues\n• Server blocking the request\n• Unsupported video format\n• Missing required headers"
} else if errorMessage.contains("timeout") {
detailedError = "Stream connection timed out. The server may be slow or unreachable."
} else if errorMessage.contains("404") || errorMessage.contains("Not Found") {
detailedError = "Video stream not found. The URL may be expired or incorrect."
} else if errorMessage.contains("403") || errorMessage.contains("Forbidden") {
detailedError = "Access denied. The server may be blocking requests or require authentication."
}
sendEvent("onError", ["error": detailedError])
}
}
func player(layer: KSPlayerLayer, bufferedCount: Int, consumeTime: TimeInterval) {
// Handle buffering progress if needed
sendEvent("onBufferingProgress", [
"bufferedCount": bufferedCount,
"consumeTime": consumeTime
])
}
}
extension KSPlayerView {
private func sendEvent(_ eventName: String, _ body: [String: Any]) {
DispatchQueue.main.async {
switch eventName {
case "onLoad":
self.onLoad?(body)
case "onProgress":
self.onProgress?(body)
case "onBuffering":
self.onBuffering?(body)
case "onEnd":
self.onEnd?([:])
case "onError":
self.onError?(body)
case "onBufferingProgress":
self.onBufferingProgress?(body)
default:
break
}
}
}
// Renamed to avoid clashing with React's UIView category method
private func findHostViewController() -> UIViewController? {
var responder: UIResponder? = self
while let nextResponder = responder?.next {
if let viewController = nextResponder as? UIViewController {
return viewController
}
responder = nextResponder
}
return nil
}
}