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1. Импорт API. код

Code Block

language	bash
theme	RDark

#import <FPWCSApi2/FPWCSApi2.h>

...

URL WCS-сервера
имя серверного приложения defaultApp

Code Block

language	bash
theme	RDark

- (FPWCSApi2Session *)connect {
    FPWCSApi2SessionOptions *options = [[FPWCSApi2SessionOptions alloc] init];
    options.urlServer = _connectUrl.text;
    options.appKey = @"defaultApp";
    NSError *error;
    FPWCSApi2Session *session = [FPWCSApi2 createSession:options error:&error];
    if (!session) {
        UIAlertController * alert = [UIAlertController
alertControllerWithTitle:@"Failed to connect"
message:error.localizedDescription
preferredStyle:UIAlertControllerStyleAlert];

UIAlertAction* okButton = [UIAlertAction
actionWithTitle:@"Ok"
style:UIAlertActionStyleDefault
handler:^(UIAlertAction * action) {
[self onDisconnected];
}];

[alert addAction:okButton];
[self presentViewController:alert animated:YES completion:nil];
return nil;
}

[session on:kFPWCSSessionStatusEstablished callback:^(FPWCSApi2Session *rSession){
[self changeConnectionStatus:[rSession getStatus]];
[self onConnected:rSession];
}];

[session on:kFPWCSSessionStatusDisconnected callback:^(FPWCSApi2Session *rSession){
[self changeConnectionStatus:[rSession getStatus]];
[self onDisconnected];
}];

[session on:kFPWCSSessionStatusFailed callback:^(FPWCSApi2Session *rSession){
[self changeConnectionStatus:[rSession getStatus]];
[self onDisconnected];
}];
[session connect];
return session;
}

3. Публикация видеопотока.

FPWCSApi2Session createStream, FPWCSApi2Stream publish код

Методу createStream передаются параметры:

имя публикуемого потока
вид для локального отображения
параметр record = true для записи потока при публикации
размеры и FPS публикуемого видео при публикации с iPad

Code Block

language	bash

- (FPWCSApi2Stream *)publishStream {
FPWCSApi2Session *session = [FPWCSApi2 getSessions][0];
FPWCSApi2StreamOptions *options = [[FPWCSApi2StreamOptions alloc] init];
options.name = _localStreamName.text;
options.display = _localDisplay;
if ( UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPad ) {
options.constraints = [[FPWCSApi2MediaConstraints alloc] initWithAudio:YES videoWidth:640 videoHeight:480 videoFps:15];
}
NSError *error;
FPWCSApi2Stream *stream = [session createStream:options error:&error];
if (!stream) {
UIAlertController * alert = [UIAlertController
alertControllerWithTitle:@"Failed to publish"
message:error.localizedDescription
preferredStyle:UIAlertControllerStyleAlert];

UIAlertAction* okButton = [UIAlertAction
actionWithTitle:@"Ok"
style:UIAlertActionStyleDefault
handler:^(UIAlertAction * action) {
[self onUnpublished];
}];

[alert addAction:okButton];
[self presentViewController:alert animated:YES completion:nil];
return nil;
}
[stream on:kFPWCSStreamStatusPublishing callback:^(FPWCSApi2Stream *rStream){
[self changeStreamStatus:rStream];
[self onPublishing:rStream];
}];

[stream on:kFPWCSStreamStatusUnpublished callback:^(FPWCSApi2Stream *rStream){
[self changeStreamStatus:rStream];
[self onUnpublished];
}];

[stream on:kFPWCSStreamStatusFailed callback:^(FPWCSApi2Stream *rStream){
[self changeStreamStatus:rStream];
[self onUnpublished];
}];
if(![stream publish:&error]) {
UIAlertController * alert = [UIAlertController
alertControllerWithTitle:@"Failed to publish"
message:error.localizedDescription
preferredStyle:UIAlertControllerStyleAlert];

UIAlertAction* okButton = [UIAlertAction
actionWithTitle:@"Ok"
style:UIAlertActionStyleDefault
handler:^(UIAlertAction * action) {
[self onUnpublished];
}];

[alert addAction:okButton];
[self presentViewController:alert animated:YES completion:nil];
}
return stream;
}

4. Переключение камеры во время публикации потока

FPWCSApi2Stream switchCamera код

Code Block

language	bash

- (void)switchCameraButton:(UIButton *)button {
if ([FPWCSApi2 getSessions].count) {
FPWCSApi2Session *session = [FPWCSApi2 getSessions][0];
NSArray *streams = [session getStreams];
for (FPWCSApi2Stream *stream in streams ) {
if ([stream isPublished]) {
NSLog(@"Found published stream, switching camera");
[stream switchCamera];
}
}
} else {
NSLog(@"No active sessions found");
}
}

5. Воспроизведение видеопотока.

FPWCSApi2Session createStream, FPWCSApi2Stream play код

Методу createStream передаются параметры:

имя воспроизводимого потока
вид для отображения потока

Code Block

language	bash

- (FPWCSApi2Stream *)playStream {
FPWCSApi2Session *session = [FPWCSApi2 getSessions][0];
FPWCSApi2StreamOptions *options = [[FPWCSApi2StreamOptions alloc] init];
options.name = _remoteStreamName.text;
options.display = _remoteDisplay;
NSError *error;
FPWCSApi2Stream *stream = [session createStream:options error:nil];
if (!stream) {
UIAlertController * alert = [UIAlertController
alertControllerWithTitle:@"Failed to play"
message:error.localizedDescription
preferredStyle:UIAlertControllerStyleAlert];

UIAlertAction* okButton = [UIAlertAction
actionWithTitle:@"Ok"
style:UIAlertActionStyleDefault
handler:^(UIAlertAction * action) {
[self onStopped];
}];

[alert addAction:okButton];
[self presentViewController:alert animated:YES completion:nil];
return nil;
}
[stream on:kFPWCSStreamStatusPlaying callback:^(FPWCSApi2Stream *rStream){
[self changeStreamStatus:rStream];
[self onPlaying:rStream];
}];

[stream on:kFPWCSStreamStatusNotEnoughtBandwidth callback:^(FPWCSApi2Stream *rStream){
NSLog(@"Not enough bandwidth stream %@, consider using lower video resolution or bitrate. Bandwidth %ld bitrate %ld", [rStream getName], [rStream getNetworkBandwidth] / 1000, [rStream getRemoteBitrate] / 1000);
[self changeStreamStatus:rStream];
}];

[stream on:kFPWCSStreamStatusStopped callback:^(FPWCSApi2Stream *rStream){
[self changeStreamStatus:rStream];
[self onStopped];
}];
[stream on:kFPWCSStreamStatusFailed callback:^(FPWCSApi2Stream *rStream){
[self changeStreamStatus:rStream];
[self onStopped];
}];
if(![stream play:&error]) {
UIAlertController * alert = [UIAlertController
alertControllerWithTitle:@"Failed to play"
message:error.localizedDescription
preferredStyle:UIAlertControllerStyleAlert];

UIAlertAction* okButton = [UIAlertAction
actionWithTitle:@"Ok"
style:UIAlertActionStyleDefault
handler:^(UIAlertAction * action) {

}];

[alert addAction:okButton];
[self presentViewController:alert animated:YES completion:nil];
}
return stream;
}

6. Остановка воспроизведения видеопотока.

FPWCSApi2Stream stop код

Code Block

language	bash

- (void)playButton:(UIButton *)button {
                                  alertControllerWithTitle:@"Failed to connect"
                                     message:error.localizedDescription
                                     preferredStyle:UIAlertControllerStyleAlert];
        
        UIAlertAction* okButton = [UIAlertAction
                                   actionWithTitle:@"Ok"
                                   style:UIAlertActionStyleDefault
                                   handler:^(UIAlertAction * action) {
                                       [self onDisconnected];
                                   }];
        
        [alert addAction:okButton];
        [self presentViewController:alert animated:YES completion:nil];
        return nil;
    }
    
    [session on:kFPWCSSessionStatusEstablished callback:^(FPWCSApi2Session *rSession){
        [self changeConnectionStatus:[rSession getStatus]];
        [self onConnected:rSession];
    }];
    
    [session on:kFPWCSSessionStatusDisconnected callback:^(FPWCSApi2Session *rSession){
        [self changeConnectionStatus:[rSession getStatus]];
        [self onDisconnected];
    }];
    
    [session on:kFPWCSSessionStatusFailed callback:^(FPWCSApi2Session *rSession){
        [self changeConnectionStatus:[rSession getStatus]];
        [self onDisconnected];
    }];
    [session connect];
    return session;
}

3. Публикация видеопотока.

FPWCSApi2Session createStream, FPWCSApi2Stream publish код

Методу createStream передаются параметры:

имя публикуемого потока
вид для локального отображения
параметр record = true для записи потока при публикации
размеры и FPS публикуемого видео при публикации с iPad

Code Block

language	bash
theme	RDark

- (FPWCSApi2Stream *)publishStream {
    FPWCSApi2Session *session = [FPWCSApi2 getSessions][0];
    FPWCSApi2StreamOptions *options = [[FPWCSApi2StreamOptions alloc] init];
    options.name = _localStreamName.text;
    options.display = _localDisplay;
    if ( UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPad ) {
        options.constraints = [[FPWCSApi2MediaConstraints alloc] initWithAudio:YES videoWidth:640 videoHeight:480 videoFps:15];
    }
    NSError *error;
    FPWCSApi2Stream *stream = [session createStream:options error:&error];
    if (!stream) {
        UIAlertController * alert = [UIAlertController
                                     alertControllerWithTitle:@"Failed to publish"
                                     message:error.localizedDescription
                                     preferredStyle:UIAlertControllerStyleAlert];
        
        UIAlertAction* okButton = [UIAlertAction
                                   actionWithTitle:@"Ok"
                                   style:UIAlertActionStyleDefault
                                   handler:^(UIAlertAction * action) {
                                       [self onUnpublished];
                                   }];
        
        [alert addAction:okButton];
        [self presentViewController:alert animated:YES completion:nil];
        return nil;
    }
    [stream on:kFPWCSStreamStatusPublishing callback:^(FPWCSApi2Stream *rStream){
        [self changeStreamStatus:rStream];
        [self onPublishing:rStream];
    }];

    [stream on:kFPWCSStreamStatusUnpublished callback:^(FPWCSApi2Stream *rStream){
        [self changeStreamStatus:rStream];
        [self onUnpublished];
    }];
    
    [stream on:kFPWCSStreamStatusFailed callback:^(FPWCSApi2Stream *rStream){
        [self changeStreamStatus:rStream];
        [self onUnpublished];
    }];
    if(![stream publish:&error]) {
        UIAlertController * alert = [UIAlertController
                                     alertControllerWithTitle:@"Failed to publish"
                                     message:error.localizedDescription
                                     preferredStyle:UIAlertControllerStyleAlert];
        
        UIAlertAction* okButton = [UIAlertAction
                                    actionWithTitle:@"Ok"
                                    style:UIAlertActionStyleDefault
                                    handler:^(UIAlertAction * action) {
                                        [self onUnpublished];
                                    }];
        
        [alert addAction:okButton];
        [self presentViewController:alert animated:YES completion:nil];
    }
    return stream;
}

4. Переключение камеры во время публикации потока

FPWCSApi2Stream switchCamera код

Code Block

language	bash
theme	RDark

- (void)switchCameraButton:(UIButton *)button {
    if ([FPWCSApi2 getSessions].count) {
        FPWCSApi2Session *session = [FPWCSApi2 getSessions][0];
        NSArray *streams = [session getStreams];
        for (FPWCSApi2Stream *stream in streams ) {
            if ([stream isPublished]) {
                NSLog(@"Found published stream, switching camera");
                [stream switchCamera];
            }
        }
    } else {
        NSLog(@"No active sessions found");
    }
}

5. Воспроизведение видеопотока.

FPWCSApi2Session createStream, FPWCSApi2Stream play код

Методу createStream передаются параметры:

имя воспроизводимого потока
вид для отображения потока

Code Block

language	bash
theme	RDark

- (FPWCSApi2Stream *)playStream {
    FPWCSApi2Session *session = [FPWCSApi2 getSessions][0];
    FPWCSApi2StreamOptions *options = [[FPWCSApi2StreamOptions alloc] init];
    options.name = _remoteStreamName.text;
    options.display = _remoteDisplay;
    NSError *error;
    FPWCSApi2Stream *stream = [session createStream:options error:nil];
    if (!stream) {
        UIAlertController * alert = [UIAlertController
                                     alertControllerWithTitle:@"Failed to play"
                                     message:error.localizedDescription
                                     preferredStyle:UIAlertControllerStyleAlert];
        
        UIAlertAction* okButton = [UIAlertAction
                                   actionWithTitle:@"Ok"
                                   style:UIAlertActionStyleDefault
                                   handler:^(UIAlertAction * action) {
                                       [self onStopped];
                                   }];
        
        [alert addAction:okButton];
        [self presentViewController:alert animated:YES completion:nil];
        return nil;
    }
    [stream on:kFPWCSStreamStatusPlaying callback:^(FPWCSApi2Stream *rStream){
        [self changeStreamStatus:rStream];
        [self onPlaying:rStream];
    }];
    
    [stream on:kFPWCSStreamStatusNotEnoughtBandwidth callback:^(FPWCSApi2Stream *rStream){
        NSLog(@"Not enough bandwidth stream %@, consider using lower video resolution or bitrate. Bandwidth %ld bitrate %ld", [rStream getName], [rStream getNetworkBandwidth] / 1000, [rStream getRemoteBitrate] / 1000);
        [self changeStreamStatus:rStream];
    }];
    
    [stream on:kFPWCSStreamStatusStopped callback:^(FPWCSApi2Stream *rStream){
        [self changeStreamStatus:rStream];
        [self onStopped];
    }];
    [stream on:kFPWCSStreamStatusFailed callback:^(FPWCSApi2Stream *rStream){
        [self changeStreamStatus:rStream];
        [self onStopped];
    }];
    if(![stream play:&error]) {
        UIAlertController * alert = [UIAlertController
                                     alertControllerWithTitle:@"Failed to play"
                                     message:error.localizedDescription
                                     preferredStyle:UIAlertControllerStyleAlert];
        
        UIAlertAction* okButton = [UIAlertAction
                                   actionWithTitle:@"Ok"
                                   style:UIAlertActionStyleDefault
                                   handler:^(UIAlertAction * action) {
                                       
                                   }];
        
        [alert addAction:okButton];
        [self presentViewController:alert animated:YES completion:nil];
    }
    return stream;
}

6. Остановка воспроизведения видеопотока.

FPWCSApi2Stream stop код

Code Block

language	bash
theme	RDark

- (void)playButton:(UIButton *)button {
    [self changeViewState:button enabled:NO];
    if ([button.titleLabel.text isEqualToString:@"STOP"]) {
        if ([FPWCSApi2 getSessions].count) {
            FPWCSApi2Stream *stream;
            for (FPWCSApi2Stream *s in [[FPWCSApi2 getSessions][0] getStreams]) {
                if ([[s getName] isEqualToString:_remoteStreamName.text]) {
                    stream = s;
                    break;
                }
            }
            if (!stream) {
                NSLog(@"Stop playing, nothing to stop");
                [self onStopped];
                return;
            }
            NSError *error;
            [stream stop:&error];
        } else {
            NSLog(@"Stop playing, no session");
            [self onStopped];
        }
    } else {
        if ([FPWCSApi2 getSessions].count) {
            [self changeViewState:_remoteStreamName enabled:NO];
            [self playStream];
        } else {
            NSLog(@"Start playing, no session");
            [self onStopped];
        }
    }
}

7. Остановка публикации видеопотока. ViewController.m, line 274

FPWCSApi2Stream stop код

Code Block

language	bash
theme	RDark

- (void)publishButton:(UIButton *)button {
    [self changeViewState:button enabled:NO];
    if ([button.titleLabel.text isEqualToString:@"STOP"]) {
        if ([FPWCSApi2 getSessions].count) {
 getSessions].count) {
            FPWCSApi2Stream *stream;
            for (FPWCSApi2Stream *s in [[FPWCSApi2 getSessions][0] getStreams]) {
                if ([[s getName] isEqualToString:_localStreamName.text] isEqualToString:_remoteStreamName.text]) {
) {
                    stream = s;
break;
}
}
if (!stream) {
NSLog(@"Stop playing, nothing to stop");
[self onStopped];
return;
}
NSError *error;
[stream stop:&error];
} else {
NSLog(@"Stop playing, no session");
[self onStopped];
}
} else {
if ([FPWCSApi2 getSessions].count) {
[self changeViewState:_remoteStreamName enabled:NO] break;
[self playStream];
} else {
NSLog(@"Start playing, no session");
[self onStopped];
}
}
}

7. Остановка публикации видеопотока. ViewController.m, line 274

FPWCSApi2Stream stop код

Code Block

language	bash

- (void)publishButton:(UIButton *)button {
[self changeViewState:button enabled:NO];
if ([button.titleLabel.text isEqualToString:@"STOP"]) {
if ([FPWCSApi2 getSessions].count) {
FPWCSApi2Stream *stream;
for (FPWCSApi2Stream *s in [[FPWCSApi2 getSessions][0] getStreams]) {
if ([[s getName] isEqualToString:_localStreamName.text]) {
stream = s;
break;
}
}
     }
            }
            if (!stream) {
                NSLog(@"Stop publishing, nothing to stop");
 stop");
                [self onUnpublished];
                return;
            }
            NSError *error;
            [stream stop:&error];

        } else {
            NSLog(@"Stop publishing, no session");
            [self onUnpublished];
        }
    } else {
        if ([FPWCSApi2 getSessions].count) {
FPWCSApi2 getSessions].count) {
            [self changeViewState:_localStreamName enabled:NO];
            [self publishStream];
        } else {
            NSLog(@"Start publishing, no session");
            [self onUnpublished];
        }
    }
}

8. Закрытие соединения.

FPWCSApi2Session disconnect код

Code Block

language	bash
theme	RDark

- (void)connectButton:(UIButton *)button {
    [self changeViewState:button enabled:NO];
    if ([button.titleLabel.text isEqualToString:@"DISCONNECT"]) {
        if ([FPWCSApi2 getSessions].count) {
            FPWCSApi2Session *session = [FPWCSApi2 getSessions][0];
            NSLog(@"Disconnect session with server %@", [session getServerUrl]);
            [session disconnect];

        } else {
            NSLog(@"Nothing to disconnect");
            [self onDisconnected];
        }
    } else {
        //todo check url is not empty
        [self changeViewState:_connectUrl enabled:NO];
        [self connect];
    }
}

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