73 lines
2.6 KiB
Objective-C
73 lines
2.6 KiB
Objective-C
#import "RtpSocket.h"
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#import "ThreadManager.h"
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#import "Environment.h"
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@implementation RtpSocket
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+(RtpSocket*) rtpSocketOverUdp:(UdpSocket*)udpSocket interopOptions:(NSArray*)interopOptions {
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require(udpSocket != nil);
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require(interopOptions != nil);
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RtpSocket* s = [RtpSocket new];
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s->udpSocket = udpSocket;
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s->interopOptions = interopOptions.mutableCopy;
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return s;
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}
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-(void) startWithHandler:(PacketHandler*)handler untilCancelled:(TOCCancelToken*)untilCancelledToken {
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require(handler != nil);
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@synchronized(self) {
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bool isFirstTime = currentHandler == nil;
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currentHandler = handler;
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if (!isFirstTime) return;
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}
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PacketHandlerBlock valueHandler = ^(id packet) {
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require(packet != nil);
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require([packet isKindOfClass:NSData.class]);
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NSData* data = packet;
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RtpPacket* rtpPacket = [RtpPacket rtpPacketParsedFromPacketData:data];
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// enable interop when legacy client is detected
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if (rtpPacket.wasAdjustedDueToInteropIssues) {
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if ([Environment hasEnabledTestingOrLegacyOption:ENVIRONMENT_LEGACY_OPTION_RTP_PADDING_BIT_IMPLIES_EXTENSION_BIT_AND_TWELVE_EXTRA_ZERO_BYTES_IN_HEADER]) {
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if (![interopOptions containsObject:ENVIRONMENT_LEGACY_OPTION_RTP_PADDING_BIT_IMPLIES_EXTENSION_BIT_AND_TWELVE_EXTRA_ZERO_BYTES_IN_HEADER]) {
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[interopOptions addObject:ENVIRONMENT_LEGACY_OPTION_RTP_PADDING_BIT_IMPLIES_EXTENSION_BIT_AND_TWELVE_EXTRA_ZERO_BYTES_IN_HEADER];
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}
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}
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}
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[self handleRtpPacket:rtpPacket];
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};
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ErrorHandlerBlock errorHandler = ^(id error, id relatedInfo, bool causedTermination) {
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@synchronized(self) {
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currentHandler.errorHandler(error, relatedInfo, causedTermination);
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}
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};
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[udpSocket startWithHandler:[PacketHandler packetHandler:valueHandler
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withErrorHandler:errorHandler]
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untilCancelled:untilCancelledToken];
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}
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-(void) handleRtpPacket:(RtpPacket*)rtpPacket {
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@synchronized(self) {
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if ([ThreadManager lowLatencyThread] == NSThread.currentThread) {
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[currentHandler handlePacket:rtpPacket];
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return;
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}
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[self performSelector:@selector(handleRtpPacket:)
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onThread:[ThreadManager lowLatencyThread]
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withObject:rtpPacket
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waitUntilDone:false];
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}
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}
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-(void) send:(RtpPacket*)packet {
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require(packet != nil);
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[udpSocket send:[packet rawPacketDataUsingInteropOptions:interopOptions]];
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}
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@end
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