MiXiD API Reference: SRT

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Reference size:
52 headers
260 properties
354 methods and callbacks

Back to MiXiD API Documentation

Detailed MiXiD XCFramework reference for SRT. Read through each header, class, protocol, and function section to inspect Objective-C declarations, parameters, return values, and usage guidance.

SRT Publishing Examples

Use MXDSRTStreamPusher with an MXDSRTPlayerConfiguration transport object to publish encoded MiXiD video and audio over SRT.

Swift

final class SRTPublisher: NSObject, MXDSRTStreamPusherDelegate {
    private let pusher: MXDSRTStreamPusher

    init(streamURL: URL, streamID: String? = nil, passphrase: String? = nil) {
        let transport = MXDSRTPlayerConfiguration(streamURL: streamURL)
        transport.streamID = streamID
        transport.passphrase = passphrase
        transport.latencyInMilliseconds = 120
        transport.payloadFormat = HVSRTStreamPayloadFormatMPEGTS

        let config = MXDSRTStreamPusherConfiguration.default()
        config.videoWidth = 1920
        config.videoHeight = 1080
        config.videoFPS = 30
        config.videoCodec = .h264
        config.minVideoBitrateBps = 3_000_000
        config.maxVideoBitrateBps = 5_000_000

        self.pusher = MXDSRTStreamPusher(transportConfiguration: transport, configuration: config)
        super.init()
        pusher.delegate = self
    }

    func start() { pusher.start() }
    func stop() { pusher.stop() }

    func appendVideoFrame(_ imageBuffer: CVImageBuffer, time: CMTime) {
        pusher.appendVideoFrame(imageBuffer, presentationTime: time)
    }

    func appendAudioBuffer(_ audioBuffer: AVAudioPCMBuffer) {
        pusher.appendAudioBuffer(audioBuffer)
    }

    func srtStreamPusherDidConnect() {
        print("SRT connected")
    }

    func srtStreamPusherDidFailWithError(_ error: Error) {
        print("SRT failed: \(error)")
    }
}

Objective-C

@interface SRTPublisher : NSObject <MXDSRTStreamPusherDelegate>
@property (nonatomic, strong) MXDSRTStreamPusher *pusher;
@end

@implementation SRTPublisher

- (instancetype)initWithStreamURL:(NSURL *)streamURL streamID:(NSString *)streamID passphrase:(NSString *)passphrase {
    self = [super init];
    if (!self) { return nil; }

    MXDSRTPlayerConfiguration *transport = [[MXDSRTPlayerConfiguration alloc] initWithStreamURL:streamURL];
    transport.streamID = streamID;
    transport.passphrase = passphrase;
    transport.latencyInMilliseconds = 120;
    transport.payloadFormat = HVSRTStreamPayloadFormatMPEGTS;

    MXDSRTStreamPusherConfiguration *config = [MXDSRTStreamPusherConfiguration defaultConfiguration];
    config.videoWidth = 1920;
    config.videoHeight = 1080;
    config.videoFPS = 30;
    config.videoCodec = MXDSRTStreamPusherVideoCodecH264;
    config.minVideoBitrateBps = 3000000;
    config.maxVideoBitrateBps = 5000000;

    _pusher = [[MXDSRTStreamPusher alloc] initWithTransportConfiguration:transport configuration:config];
    _pusher.delegate = self;
    return self;
}

- (void)start { [self.pusher start]; }
- (void)stop { [self.pusher stop]; }

- (void)appendVideoFrame:(CVImageBufferRef)imageBuffer time:(CMTime)time {
    [self.pusher appendVideoFrame:imageBuffer presentationTime:time];
}

- (void)appendAudioBuffer:(AVAudioPCMBuffer *)audioBuffer {
    [self.pusher appendAudioBuffer:audioBuffer];
}

- (void)srtStreamPusherDidConnect { NSLog(@"SRT connected"); }
- (void)srtStreamPusherDidFailWithError:(NSError *)error { NSLog(@"SRT failed: %@", error); }

@end

SRT

SRT

MXDHaivisionSRTPlayer.h

Convenience umbrella for SRT playback APIs.

MXDSRTAnnexBParser.h

Annex B H.264 parser for SRT streams.

MXDSRTAnnexBParser

appendDataAndExtractNALUnits:

- (NSArray<NSData *> *)appendDataAndExtractNALUnits:(NSData *)data;

Kind	Instance method
Return	NSArray<NSData *> *
Details	Appends media into the component. Use presentation timestamps and matching stream configuration so downstream encoders, mixers, or recorders stay synchronized.
Parameters	appendDataAndExtractNALUnits (NSData *, data)
Swift usage	let result = instance.appendDataAndExtractNALUnits(appendDataAndExtractNALUnits: data)

reset

- (void)reset;

Kind	Instance method
Return	void
Details	Resets parser or demuxer state before processing a new stream or segment.
Parameters	No parameters.
Swift usage	instance.reset()

MXDSRTAudioPlayer.h

AAC audio renderer for SRT playback.

MXDSRTAudioPlayerDelegate Protocol

audioPlayer:didFailWithError:

- (void)audioPlayer:(MXDSRTAudioPlayer *)audioPlayer didFailWithError:(NSError *)error;

Kind	Delegate / protocol callback
Return	void
Details	Callback invoked by MiXiD for audioPlayer didFailWithError. Implement this method to observe lifecycle, media output, status, or error events.
Parameters	audioPlayer (MXDSRTAudioPlayer *, audioPlayer); didFailWithError (NSError *, error)
Swift usage	instance.audioPlayer(audioPlayer: audioPlayer, didFailWithError: nil)

MXDSRTAudioPlayer

Name	Declaration	Details
delegate	@property (nonatomic, weak, nullable) id<MXDSRTAudioPlayerDelegate> delegate;	Receives lifecycle, media output, status, or error callbacks.
muted	@property (nonatomic, assign, getter=isMuted) BOOL muted;	Audio routing, mute, level, or gain configuration.

enqueueADTSData:presentationTimeStamp:

- (void)enqueueADTSData:(NSData *)data presentationTimeStamp:(CMTime)presentationTimeStamp;

Kind	Instance method
Return	void
Details	Queues encoded audio data for playback. Call in timestamp order for stable audio scheduling.
Parameters	enqueueADTSData (NSData *, data); presentationTimeStamp (CMTime, presentationTimeStamp)
Swift usage	instance.enqueueADTSData(enqueueADTSData: data, presentationTimeStamp: 0.0)

flush

- (void)flush;

Kind	Instance method
Return	void
Details	Clears queued decoder/player state so future media starts from a clean point.
Parameters	No parameters.
Swift usage	instance.flush()

MXDSRTElementaryStreamPacket.h

Elementary stream packet model.

Enums

MXDSRTElementaryStreamKind

• HVSRTElementaryStreamKindVideo = 0
• HVSRTElementaryStreamKindAudio = 1

MXDSRTElementaryStreamPacket

Name	Declaration	Details
payload	@property (nonatomic, strong, readonly) NSData *payload;	Public configuration or state exposed by this API.
presentationTimeStamp	@property (nonatomic, assign, readonly) CMTime presentationTimeStamp;	Public configuration or state exposed by this API.
streamKind	@property (nonatomic, assign, readonly) MXDSRTElementaryStreamKind streamKind;	Public configuration or state exposed by this API.
streamType	@property (nonatomic, assign, readonly) uint8_t streamType;	Public configuration or state exposed by this API.

initWithPayload:presentationTimeStamp:streamKind:streamType:

- (instancetype)initWithPayload:(NSData *)payload presentationTimeStamp:(CMTime)presentationTimeStamp streamKind:(MXDSRTElementaryStreamKind)streamKind streamType:(uint8_t)streamType;

Kind	Instance method
Return	instancetype
Details	Initializes the receiver for initWithPayload presentationTimeStamp streamKind streamType. Use this to provide required URLs, ports, names, peer connections, or configuration objects.
Parameters	initWithPayload (NSData *, payload); presentationTimeStamp (CMTime, presentationTimeStamp); streamKind (MXDSRTElementaryStreamKind, streamKind); streamType (uint8_t, streamType)
Swift usage	let value = MXDSRTElementaryStreamPacket(initWithPayload: data, presentationTimeStamp: 0.0, streamKind: streamKind, streamType: streamType)

MXDSRTPlayerConfiguration.h

SRT player and transport configuration.

Enums

MXDSRTStreamPayloadFormat

• HVSRTStreamPayloadFormatAnnexBH264 = 0
• HVSRTStreamPayloadFormatMPEGTS

MXDSRTPlayerConfiguration

Name	Declaration	Details
streamURL	@property (nonatomic, copy) NSURL *streamURL;	Endpoint or file URL used by the component.
streamID	@property (nonatomic, copy, nullable) NSString *streamID;	Public configuration or state exposed by this API.
passphrase	@property (nonatomic, copy, nullable) NSString *passphrase;	Public configuration or state exposed by this API.
username	@property (nonatomic, copy, nullable) NSString *username;	Public configuration or state exposed by this API.
password	@property (nonatomic, copy, nullable) NSString *password;	Public configuration or state exposed by this API.
latencyInMilliseconds	@property (nonatomic, assign) NSInteger latencyInMilliseconds;	Network transport reliability and buffering configuration.
networkCachingInMilliseconds	@property (nonatomic, assign) NSInteger networkCachingInMilliseconds;	Network transport reliability and buffering configuration.
connectionTimeoutInMilliseconds	@property (nonatomic, assign) NSInteger connectionTimeoutInMilliseconds;	Network transport reliability and buffering configuration.
shouldReconnectAutomatically	@property (nonatomic, assign) BOOL shouldReconnectAutomatically;	Network transport reliability and buffering configuration.
maximumReconnectAttempts	@property (nonatomic, assign) NSInteger maximumReconnectAttempts;	Network transport reliability and buffering configuration.
muted	@property (nonatomic, assign) BOOL muted;	Audio routing, mute, level, or gain configuration.
payloadFormat	@property (nonatomic, assign) MXDSRTStreamPayloadFormat payloadFormat;	Public configuration or state exposed by this API.
listenAsServer	@property (nonatomic, assign) BOOL listenAsServer;	Public configuration or state exposed by this API.

initWithStreamURL:

- (instancetype)initWithStreamURL:(NSURL *)streamURL;

Kind	Instance method
Return	instancetype
Details	Initializes the receiver for initWithStreamURL. Use this to provide required URLs, ports, names, peer connections, or configuration objects.
Parameters	initWithStreamURL (NSURL *, streamURL)
Swift usage	let value = MXDSRTPlayerConfiguration(initWithStreamURL: url)

MXDSRTPlayerView.h

SRT playback component.

Enums

MXDSRTPlayerState

• HVSRTPlayerStateIdle = 0
• HVSRTPlayerStateBuffering
• HVSRTPlayerStatePlaying
• HVSRTPlayerStatePaused
• HVSRTPlayerStateStopped
• HVSRTPlayerStateError

MXDSRTPlayerViewDelegate Protocol

playerView:didChangeState:

- (void)playerView:(MXDSRTPlayerView *)playerView didChangeState:(MXDSRTPlayerState)state;

Kind	Delegate / protocol callback
Return	void
Details	Callback invoked by MiXiD for playerView didChangeState. Implement this method to observe lifecycle, media output, status, or error events.
Parameters	playerView (MXDSRTPlayerView *, playerView); didChangeState (MXDSRTPlayerState, state)
Swift usage	instance.playerView(playerView: playerView, didChangeState: state)

playerView:didFailWithError:

- (void)playerView:(MXDSRTPlayerView *)playerView didFailWithError:(NSError *)error;

Kind	Delegate / protocol callback
Return	void
Details	Callback invoked by MiXiD for playerView didFailWithError. Implement this method to observe lifecycle, media output, status, or error events.
Parameters	playerView (MXDSRTPlayerView *, playerView); didFailWithError (NSError *, error)
Swift usage	instance.playerView(playerView: playerView, didFailWithError: nil)

playerViewDidStartRenderingVideo:

- (void)playerViewDidStartRenderingVideo:(MXDSRTPlayerView *)playerView;

Kind	Delegate / protocol callback
Return	void
Details	Callback invoked by MiXiD for playerViewDidStartRenderingVideo. Implement this method to observe lifecycle, media output, status, or error events.
Parameters	playerViewDidStartRenderingVideo (MXDSRTPlayerView *, playerView)
Swift usage	instance.playerViewDidStartRenderingVideo(playerViewDidStartRenderingVideo: playerView)

MXDSRTPlayerViewOutputDelegate Protocol

srtPlayerView:didOutputVideoFrame:presentationTime:

- (void)srtPlayerView:(MXDSRTPlayerView *)playerView didOutputVideoFrame:(CVImageBufferRef)imageBuffer presentationTime:(CMTime)presentationTime;

Kind	Delegate / protocol callback
Return	void
Details	Callback invoked by MiXiD for srtPlayerView didOutputVideoFrame presentationTime. Implement this method to observe lifecycle, media output, status, or error events.
Parameters	srtPlayerView (MXDSRTPlayerView *, playerView); didOutputVideoFrame (CVImageBufferRef, imageBuffer); presentationTime (CMTime, presentationTime)
Swift usage	instance.srtPlayerView(srtPlayerView: playerView, didOutputVideoFrame: imageBuffer, presentationTime: 0.0)

srtPlayerView:didOutputAACAccessUnit:sampleRate:channels:objectType:config:

- (void)srtPlayerView:(MXDSRTPlayerView *)playerView didOutputAACAccessUnit:(NSData *)accessUnit sampleRate:(Float64)sampleRate channels:(UInt32)channels objectType:(UInt32)objectType config:(NSData * _Nullable)config;

Kind	Delegate / protocol callback
Return	void
Details	Callback invoked by MiXiD for srtPlayerView didOutputAACAccessUnit sampleRate channels objectType config. Implement this method to observe lifecycle, media output, status, or error events.
Parameters	srtPlayerView (MXDSRTPlayerView *, playerView); didOutputAACAccessUnit (NSData *, accessUnit); sampleRate (Float64, sampleRate); channels (UInt32, channels); objectType (UInt32, objectType); config (NSData * _Nullable, config)
Swift usage	instance.srtPlayerView(srtPlayerView: playerView, didOutputAACAccessUnit: data, sampleRate: 0.0, channels: channels, objectType: objectType, config: data)

MXDSRTPlayerView

Name	Declaration	Details
delegate	@property (nonatomic, weak, nullable) id<MXDSRTPlayerViewDelegate> delegate;	Receives lifecycle, media output, status, or error callbacks.
outputDelegate	@property (nonatomic, weak, nullable) id<MXDSRTPlayerViewOutputDelegate> outputDelegate;	Receives lifecycle, media output, status, or error callbacks.
configuration	@property (nonatomic, strong, readonly, nullable) MXDSRTPlayerConfiguration *configuration;	Public configuration or state exposed by this API.
state	@property (nonatomic, assign, readonly) MXDSRTPlayerState state;	Public configuration or state exposed by this API.
muted	@property (nonatomic, assign, getter=isMuted) BOOL muted;	Audio routing, mute, level, or gain configuration.
previewEnabled	@property (nonatomic, assign) BOOL previewEnabled;	Public configuration or state exposed by this API.
slotIndex	@property (nonatomic, assign) NSInteger slotIndex;	Public configuration or state exposed by this API.

init

- (instancetype)init;

Kind	Instance method
Return	instancetype
Details	Initializes the receiver for init. Use this to provide required URLs, ports, names, peer connections, or configuration objects.
Parameters	No parameters.
Swift usage	let value = MXDSRTPlayerView()

initWithConfiguration:

- (instancetype)initWithConfiguration:(MXDSRTPlayerConfiguration *)configuration;

Kind	Instance method
Return	instancetype
Details	Initializes the receiver for initWithConfiguration. Use this to provide required URLs, ports, names, peer connections, or configuration objects.
Parameters	initWithConfiguration (MXDSRTPlayerConfiguration *, configuration)
Swift usage	let value = MXDSRTPlayerView(initWithConfiguration: configuration)

prepareToPlay

- (void)prepareToPlay;

Kind	Instance method
Return	void
Details	Prepares transport, decoder, and rendering resources before playback starts.
Parameters	No parameters.
Swift usage	instance.prepareToPlay()

play

- (void)play;

Kind	Instance method
Return	void
Details	Begins or resumes playback/rendering for the configured media source.
Parameters	No parameters.
Swift usage	instance.play()

pause

- (void)pause;

Kind	Instance method
Return	void
Details	Pauses playback while keeping the object available for a later resume.
Parameters	No parameters.
Swift usage	instance.pause()

stop

- (void)stop;

Kind	Instance method
Return	void
Details	Stops the component and releases or finalizes active workflow resources.
Parameters	No parameters.
Swift usage	instance.stop()

reloadWithConfiguration:

- (void)reloadWithConfiguration:(MXDSRTPlayerConfiguration *)configuration;

Kind	Instance method
Return	void
Details	Updates configuration on an existing object. Some changes apply immediately; transport or stream changes may reconnect or reload internal resources.
Parameters	reloadWithConfiguration (MXDSRTPlayerConfiguration *, configuration)
Swift usage	instance.reloadWithConfiguration(reloadWithConfiguration: configuration)

MXDSRTStreamClient.h

SRT transport client.

MXDSRTStreamClient

Name	Declaration	Details
delegate	@property (nonatomic, weak, nullable) id<MXDSRTStreamClientDelegate> delegate;	Receives lifecycle, media output, status, or error callbacks.

initWithConfiguration:

- (instancetype)initWithConfiguration:(MXDSRTPlayerConfiguration *)configuration;

Kind	Instance method
Return	instancetype
Details	Initializes the receiver for initWithConfiguration. Use this to provide required URLs, ports, names, peer connections, or configuration objects.
Parameters	initWithConfiguration (MXDSRTPlayerConfiguration *, configuration)
Swift usage	let value = MXDSRTStreamClient(initWithConfiguration: configuration)

start

- (void)start;

Kind	Instance method
Return	void
Details	Starts the component and begins the related capture, server, playback, publish, recording, or discovery workflow.
Parameters	No parameters.
Swift usage	instance.start()

stop

- (void)stop;

Kind	Instance method
Return	void
Details	Stops the component and releases or finalizes active workflow resources.
Parameters	No parameters.
Swift usage	instance.stop()

MXDSRTStreamClientDelegate Protocol

streamClientDidStart:

- (void)streamClientDidStart:(MXDSRTStreamClient *)streamClient;

Kind	Delegate / protocol callback
Return	void
Details	Callback invoked by MiXiD for streamClientDidStart. Implement this method to observe lifecycle, media output, status, or error events.
Parameters	streamClientDidStart (MXDSRTStreamClient *, streamClient)
Swift usage	instance.streamClientDidStart(streamClientDidStart: streamClient)

streamClient:didReceiveData:

- (void)streamClient:(MXDSRTStreamClient *)streamClient didReceiveData:(NSData *)data;

Kind	Delegate / protocol callback
Return	void
Details	Callback invoked by MiXiD for streamClient didReceiveData. Implement this method to observe lifecycle, media output, status, or error events.
Parameters	streamClient (MXDSRTStreamClient *, streamClient); didReceiveData (NSData *, data)
Swift usage	instance.streamClient(streamClient: streamClient, didReceiveData: data)

streamClient:didFailWithError:

- (void)streamClient:(MXDSRTStreamClient *)streamClient didFailWithError:(NSError *)error;

Kind	Delegate / protocol callback
Return	void
Details	Callback invoked by MiXiD for streamClient didFailWithError. Implement this method to observe lifecycle, media output, status, or error events.
Parameters	streamClient (MXDSRTStreamClient *, streamClient); didFailWithError (NSError *, error)
Swift usage	instance.streamClient(streamClient: streamClient, didFailWithError: nil)

streamClientDidStop:

- (void)streamClientDidStop:(MXDSRTStreamClient *)streamClient;

Kind	Delegate / protocol callback
Return	void
Details	Callback invoked by MiXiD for streamClientDidStop. Implement this method to observe lifecycle, media output, status, or error events.
Parameters	streamClientDidStop (MXDSRTStreamClient *, streamClient)
Swift usage	instance.streamClientDidStop(streamClientDidStop: streamClient)

MXDSRTStreamPusher.h

SRT publishing component.

Enums

MXDSRTStreamPusherVideoCodec

• MXDSRTStreamPusherVideoCodecH264 = 0
• MXDSRTStreamPusherVideoCodecHEVC = 1

MXDSRTStreamPusherDelegate Protocol

srtStreamPusherDidConnect

- (void)srtStreamPusherDidConnect;

Kind	Delegate / protocol callback
Return	void
Details	Callback invoked by MiXiD for srtStreamPusherDidConnect. Implement this method to observe lifecycle, media output, status, or error events.
Parameters	No parameters.
Swift usage	instance.srtStreamPusherDidConnect()

srtStreamPusherDidStop

- (void)srtStreamPusherDidStop;

Kind	Delegate / protocol callback
Return	void
Details	Callback invoked by MiXiD for srtStreamPusherDidStop. Implement this method to observe lifecycle, media output, status, or error events.
Parameters	No parameters.
Swift usage	instance.srtStreamPusherDidStop()

srtStreamPusherDidFailWithError:

- (void)srtStreamPusherDidFailWithError:(NSError *)error;

Kind	Delegate / protocol callback
Return	void
Details	Callback invoked by MiXiD for srtStreamPusherDidFailWithError. Implement this method to observe lifecycle, media output, status, or error events.
Parameters	srtStreamPusherDidFailWithError (NSError *, error)
Swift usage	instance.srtStreamPusherDidFailWithError(srtStreamPusherDidFailWithError: nil)

srtStreamPusherDidUpdateStatus:

- (void)srtStreamPusherDidUpdateStatus:(NSString *)status;

Kind	Delegate / protocol callback
Return	void
Details	Callback invoked by MiXiD for srtStreamPusherDidUpdateStatus. Implement this method to observe lifecycle, media output, status, or error events.
Parameters	srtStreamPusherDidUpdateStatus (NSString *, status)
Swift usage	instance.srtStreamPusherDidUpdateStatus(srtStreamPusherDidUpdateStatus: "value")

MXDSRTStreamPusher

Name	Declaration	Details
delegate	@property (nonatomic, weak, nullable) id<MXDSRTStreamPusherDelegate> delegate;	Receives lifecycle, media output, status, or error callbacks.
pushing	@property (nonatomic, assign, readonly, getter=isPushing) BOOL pushing;	Read-only runtime state flag.
transportConfiguration	@property (nonatomic, strong, readonly) MXDSRTPlayerConfiguration *transportConfiguration;	Public configuration or state exposed by this API.
configuration	@property (nonatomic, strong, readonly) MXDSRTStreamPusherConfiguration *configuration;	Public configuration or state exposed by this API.

initWithConfiguration:

- (instancetype)initWithConfiguration:(MXDSRTPlayerConfiguration *)configuration;

Kind	Instance method
Return	instancetype
Details	Initializes the receiver for initWithConfiguration. Use this to provide required URLs, ports, names, peer connections, or configuration objects.
Parameters	initWithConfiguration (MXDSRTPlayerConfiguration *, configuration)
Swift usage	let value = MXDSRTStreamPusher(initWithConfiguration: configuration)

initWithTransportConfiguration:configuration:

- (instancetype)initWithTransportConfiguration:(MXDSRTPlayerConfiguration *)transportConfiguration configuration:(nullable MXDSRTStreamPusherConfiguration *)configuration;

Kind	Instance method
Return	instancetype
Details	Initializes the receiver for initWithTransportConfiguration configuration. Use this to provide required URLs, ports, names, peer connections, or configuration objects.
Parameters	initWithTransportConfiguration (MXDSRTPlayerConfiguration *, transportConfiguration); configuration (nullable MXDSRTStreamPusherConfiguration *, configuration)
Swift usage	let value = MXDSRTStreamPusher(initWithTransportConfiguration: 0, configuration: configuration)

start

- (void)start;

Kind	Instance method
Return	void
Details	Starts the component and begins the related capture, server, playback, publish, recording, or discovery workflow.
Parameters	No parameters.
Swift usage	instance.start()

stop

- (void)stop;

Kind	Instance method
Return	void
Details	Stops the component and releases or finalizes active workflow resources.
Parameters	No parameters.
Swift usage	instance.stop()

appendVideoFrame:presentationTime:

- (void)appendVideoFrame:(CVImageBufferRef)imageBuffer presentationTime:(CMTime)presentationTime;

Kind	Instance method
Return	void
Details	Appends media into the component. Use presentation timestamps and matching stream configuration so downstream encoders, mixers, or recorders stay synchronized.
Parameters	appendVideoFrame (CVImageBufferRef, imageBuffer); presentationTime (CMTime, presentationTime)
Swift usage	instance.appendVideoFrame(appendVideoFrame: imageBuffer, presentationTime: 0.0)

appendAudioBuffer:

- (void)appendAudioBuffer:(AVAudioPCMBuffer *)audioBuffer;

Kind	Instance method
Return	void
Details	Appends media into the component. Use presentation timestamps and matching stream configuration so downstream encoders, mixers, or recorders stay synchronized.
Parameters	appendAudioBuffer (AVAudioPCMBuffer *, audioBuffer)
Swift usage	instance.appendAudioBuffer(appendAudioBuffer: audioBuffer)

appendAACAccessUnit:sampleRate:channels:objectType:config:

- (void)appendAACAccessUnit:(NSData *)accessUnit sampleRate:(Float64)sampleRate channels:(UInt32)channels objectType:(UInt32)objectType config:(NSData * _Nullable)config;

Kind	Instance method
Return	void
Details	Appends media into the component. Use presentation timestamps and matching stream configuration so downstream encoders, mixers, or recorders stay synchronized.
Parameters	appendAACAccessUnit (NSData *, accessUnit); sampleRate (Float64, sampleRate); channels (UInt32, channels); objectType (UInt32, objectType); config (NSData * _Nullable, config)
Swift usage	instance.appendAACAccessUnit(appendAACAccessUnit: data, sampleRate: 0.0, channels: channels, objectType: objectType, config: data)

MXDSRTStreamPusherConfiguration

Name	Declaration	Details
videoWidth	@property (nonatomic, assign) NSInteger videoWidth;	Video encoding or rendering configuration.
videoHeight	@property (nonatomic, assign) NSInteger videoHeight;	Video encoding or rendering configuration.
videoFPS	@property (nonatomic, assign) NSInteger videoFPS;	Video encoding or rendering configuration.
videoCodec	@property (nonatomic, assign) MXDSRTStreamPusherVideoCodec videoCodec;	Public configuration or state exposed by this API.
minVideoBitrateBps	@property (nonatomic, assign) NSInteger minVideoBitrateBps;	Video encoding or rendering configuration.
maxVideoBitrateBps	@property (nonatomic, assign) NSInteger maxVideoBitrateBps;	Video encoding or rendering configuration.
keyframeIntervalSeconds	@property (nonatomic, assign) NSTimeInterval keyframeIntervalSeconds;	Public configuration or state exposed by this API.

defaultConfiguration

+ (instancetype)defaultConfiguration;

Kind	Class method
Return	instancetype
Details	Creates, discovers, or returns shared information for defaultConfiguration. Call this on the class before creating or configuring an instance.
Parameters	No parameters.
Swift usage	let result = MXDSRTStreamPusherConfiguration.defaultConfiguration()

MXDSRTStreamServer.h

SRT listener transport.

MXDSRTStreamServerDelegate Protocol

streamServerDidStartListening:

- (void)streamServerDidStartListening:(MXDSRTStreamServer *)streamServer;

Kind	Delegate / protocol callback
Return	void
Details	Callback invoked by MiXiD for streamServerDidStartListening. Implement this method to observe lifecycle, media output, status, or error events.
Parameters	streamServerDidStartListening (MXDSRTStreamServer *, streamServer)
Swift usage	instance.streamServerDidStartListening(streamServerDidStartListening: streamServer)

streamServerDidAcceptConnection:

- (void)streamServerDidAcceptConnection:(MXDSRTStreamServer *)streamServer;

Kind	Delegate / protocol callback
Return	void
Details	Callback invoked by MiXiD for streamServerDidAcceptConnection. Implement this method to observe lifecycle, media output, status, or error events.
Parameters	streamServerDidAcceptConnection (MXDSRTStreamServer *, streamServer)
Swift usage	instance.streamServerDidAcceptConnection(streamServerDidAcceptConnection: streamServer)

streamServer:didReceiveData:

- (void)streamServer:(MXDSRTStreamServer *)streamServer didReceiveData:(NSData *)data;

Kind	Delegate / protocol callback
Return	void
Details	Callback invoked by MiXiD for streamServer didReceiveData. Implement this method to observe lifecycle, media output, status, or error events.
Parameters	streamServer (MXDSRTStreamServer *, streamServer); didReceiveData (NSData *, data)
Swift usage	instance.streamServer(streamServer: streamServer, didReceiveData: data)

streamServer:didFailWithError:

- (void)streamServer:(MXDSRTStreamServer *)streamServer didFailWithError:(NSError *)error;

Kind	Delegate / protocol callback
Return	void
Details	Callback invoked by MiXiD for streamServer didFailWithError. Implement this method to observe lifecycle, media output, status, or error events.
Parameters	streamServer (MXDSRTStreamServer *, streamServer); didFailWithError (NSError *, error)
Swift usage	instance.streamServer(streamServer: streamServer, didFailWithError: nil)

streamServerDidStop:

- (void)streamServerDidStop:(MXDSRTStreamServer *)streamServer;

Kind	Delegate / protocol callback
Return	void
Details	Callback invoked by MiXiD for streamServerDidStop. Implement this method to observe lifecycle, media output, status, or error events.
Parameters	streamServerDidStop (MXDSRTStreamServer *, streamServer)
Swift usage	instance.streamServerDidStop(streamServerDidStop: streamServer)

MXDSRTStreamServer

Name	Declaration	Details
delegate	@property (nonatomic, weak, nullable) id<MXDSRTStreamServerDelegate> delegate;	Receives lifecycle, media output, status, or error callbacks.

initWithConfiguration:

- (instancetype)initWithConfiguration:(MXDSRTPlayerConfiguration *)configuration;

Kind	Instance method
Return	instancetype
Details	Initializes the receiver for initWithConfiguration. Use this to provide required URLs, ports, names, peer connections, or configuration objects.
Parameters	initWithConfiguration (MXDSRTPlayerConfiguration *, configuration)
Swift usage	let value = MXDSRTStreamServer(initWithConfiguration: configuration)

start

- (void)start;

Kind	Instance method
Return	void
Details	Starts the component and begins the related capture, server, playback, publish, recording, or discovery workflow.
Parameters	No parameters.
Swift usage	instance.start()

stop

- (void)stop;

Kind	Instance method
Return	void
Details	Stops the component and releases or finalizes active workflow resources.
Parameters	No parameters.
Swift usage	instance.stop()

MXDSRTVideoDecoder.h

H.264 and HEVC video decoder for SRT streams.

MXDSRTVideoDecoderDelegate Protocol

videoDecoderDidDecodeSampleBuffer:

- (void)videoDecoderDidDecodeSampleBuffer:(CMSampleBufferRef)sampleBuffer;

Kind	Delegate / protocol callback
Return	void
Details	Callback invoked by MiXiD for videoDecoderDidDecodeSampleBuffer. Implement this method to observe lifecycle, media output, status, or error events.
Parameters	videoDecoderDidDecodeSampleBuffer (CMSampleBufferRef, sampleBuffer)
Swift usage	instance.videoDecoderDidDecodeSampleBuffer(videoDecoderDidDecodeSampleBuffer: sampleBuffer)

videoDecoderDidFailWithError:

- (void)videoDecoderDidFailWithError:(NSError *)error;

Kind	Delegate / protocol callback
Return	void
Details	Callback invoked by MiXiD for videoDecoderDidFailWithError. Implement this method to observe lifecycle, media output, status, or error events.
Parameters	videoDecoderDidFailWithError (NSError *, error)
Swift usage	instance.videoDecoderDidFailWithError(videoDecoderDidFailWithError: nil)

MXDSRTVideoDecoder

Name	Declaration	Details
delegate	@property (nonatomic, weak, nullable) id<MXDSRTVideoDecoderDelegate> delegate;	Receives lifecycle, media output, status, or error callbacks.

decodeAccessUnitNALUnits:presentationTimeStamp:

- (void)decodeAccessUnitNALUnits:(NSArray<NSData *> *)nalUnits presentationTimeStamp:(CMTime)presentationTimeStamp;

Kind	Instance method
Return	void
Details	Decodes encoded video access units into sample buffers for rendering or forwarding.
Parameters	decodeAccessUnitNALUnits (NSArray<NSData *> *, nalUnits); presentationTimeStamp (CMTime, presentationTimeStamp)
Swift usage	instance.decodeAccessUnitNALUnits(decodeAccessUnitNALUnits: data, presentationTimeStamp: 0.0)

decodeAccessUnitNALUnits:presentationTimeStamp:videoStreamType:

- (void)decodeAccessUnitNALUnits:(NSArray<NSData *> *)nalUnits presentationTimeStamp:(CMTime)presentationTimeStamp videoStreamType:(uint8_t)videoStreamType;

Kind	Instance method
Return	void
Details	Decodes encoded video access units into sample buffers for rendering or forwarding.
Parameters	decodeAccessUnitNALUnits (NSArray<NSData *> *, nalUnits); presentationTimeStamp (CMTime, presentationTimeStamp); videoStreamType (uint8_t, videoStreamType)
Swift usage	instance.decodeAccessUnitNALUnits(decodeAccessUnitNALUnits: data, presentationTimeStamp: 0.0, videoStreamType: videoStreamType)

flush

- (void)flush;

Kind	Instance method
Return	void
Details	Clears queued decoder/player state so future media starts from a clean point.
Parameters	No parameters.
Swift usage	instance.flush()

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