124 lines
4.0 KiB
Objective-C
124 lines
4.0 KiB
Objective-C
/*
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* Copyright @ 2021-present 8x8, Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#import "SampleHandler.h"
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#import "SocketConnection.h"
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#import "SampleUploader.h"
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#import "DarwinNotificationCenter.h"
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@interface SampleHandler ()
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@property (nonatomic, retain) SocketConnection *clientConnection;
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@property (nonatomic, retain) SampleUploader *uploader;
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@end
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@implementation SampleHandler
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- (instancetype)init {
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self = [super init];
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if (self) {
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self.clientConnection = [[SocketConnection alloc] initWithFilePath:self.socketFilePath];
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[self setupConnection];
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self.uploader = [[SampleUploader alloc] initWithConnection:self.clientConnection];
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}
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return self;
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}
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- (void)broadcastStartedWithSetupInfo:(NSDictionary<NSString *,NSObject *> *)setupInfo {
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// User has requested to start the broadcast. Setup info from the UI extension can be supplied but optional.
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NSLog(@"broadcast started");
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[[DarwinNotificationCenter sharedInstance] postNotificationWithName:kBroadcastStartedNotification];
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[self openConnection];
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}
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- (void)broadcastPaused {
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// User has requested to pause the broadcast. Samples will stop being delivered.
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}
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- (void)broadcastResumed {
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// User has requested to resume the broadcast. Samples delivery will resume.
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}
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- (void)broadcastFinished {
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// User has requested to finish the broadcast.
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[[DarwinNotificationCenter sharedInstance] postNotificationWithName:kBroadcastStoppedNotification];
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[self.clientConnection close];
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}
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- (void)processSampleBuffer:(CMSampleBufferRef)sampleBuffer withType:(RPSampleBufferType)sampleBufferType {
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static NSUInteger frameCount = 0;
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switch (sampleBufferType) {
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case RPSampleBufferTypeVideo:
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// adjust frame rate by using every third frame
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if (++frameCount%3 == 0 && self.uploader.isReady) {
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[self.uploader sendSample:sampleBuffer];
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}
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break;
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default:
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break;
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}
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}
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// MARK: Private Methods
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- (NSString *)socketFilePath {
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// the appGroupIdentifier must match the value provided in the app's info.plist for the RTCAppGroupIdentifier key
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NSString *appGroupIdentifier = @"group.org.jitsi.meet.appgroup";
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NSURL *sharedContainer = [[NSFileManager defaultManager] containerURLForSecurityApplicationGroupIdentifier:appGroupIdentifier];
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NSString *socketFilePath = [[sharedContainer URLByAppendingPathComponent:@"rtc_SSFD"] path];
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return socketFilePath;
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}
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- (void)setupConnection {
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__weak __typeof(self) weakSelf = self;
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self.clientConnection.didClose = ^(NSError *error) {
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NSLog(@"client connection did close: %@", error);
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if (error) {
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[weakSelf finishBroadcastWithError:error];
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}
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else {
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NSInteger JMScreenSharingStopped = 10001;
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NSError *customError = [NSError errorWithDomain:RPRecordingErrorDomain
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code:JMScreenSharingStopped
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userInfo:@{NSLocalizedDescriptionKey: @"Screen sharing stopped"}];
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[weakSelf finishBroadcastWithError:customError];
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}
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};
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}
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- (void)openConnection {
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dispatch_queue_t queue = dispatch_queue_create("org.jitsi.meet.broadcast.connectTimer", 0);
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dispatch_source_t timer = dispatch_source_create(DISPATCH_SOURCE_TYPE_TIMER, 0, 0, queue);
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dispatch_source_set_timer(timer, dispatch_walltime(NULL, 0), 0.1 * NSEC_PER_SEC, 0.1 * NSEC_PER_SEC);
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dispatch_source_set_event_handler(timer, ^{
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BOOL success = [self.clientConnection open];
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if (success) {
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dispatch_source_cancel(timer);
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}
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});
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dispatch_resume(timer);
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}
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@end
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