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Пример iOS-приложения с двумя плеерами

Данный пример показывает, как отобразить в одном приложении более одного плеера, каждый из которых может играть свой видеопоток.

Работа с кодом примера

Для разбора кода возьмем версию примера Player, которая доступена для скачивания в сборке 2.5.2.

Класс для основного вида приложения: ViewController (заголовочный файл ViewController.h; файл имплементации ViewController.m).

1. Импорт API. код

#import <FPWCSApi2/FPWCSApi2.h>


2. Создание сессии

FPWCSApi2 createSession код

В параметрах сессии указываются:

  • URL WCS-сервера
  • имя серверного приложения defaultApp
FPWCSApi2SessionOptions *options = [[FPWCSApi2SessionOptions alloc] init];
options.urlServer = _connectUrl.text;
options.appKey = @"defaultApp";
NSError *error;
FPWCSApi2Session *session = [FPWCSApi2 createSession:options error:&error];


3. Подключение к серверу

FPWCSApi2Session connect код

[session connect];


4. Получение от сервера события, подтверждающего успешное соединение.

ViewController onConnected код

- (void)onConnected:(FPWCSApi2Session *)session {
[_connectButton setTitle:@"DISCONNECT" forState:UIControlStateNormal];
[self changeViewState:_connectButton enabled:YES];
[self onStopped1];
[self onStopped2];
}


5. Воспроизведение первого видеопотока.

FPWCSApi2Session createStream, FPWCSApi2Stream play код

Методу createStream передаются параметры:

  • имя воспроизводимого потока
  • вид для отображения потока
- (FPWCSApi2Stream *)play1Stream {
FPWCSApi2Session *session = [FPWCSApi2 getSessions][0];
FPWCSApi2StreamOptions *options = [[FPWCSApi2StreamOptions alloc] init];
options.name = _player1StreamName.text;
options.display = _player1Display;
NSError *error;
player1Stream = [session createStream:options error:nil];
if (!player1Stream) {
UIAlertController * alert = [UIAlertController
alertControllerWithTitle:@"Failed to play"
message:error.localizedDescription
preferredStyle:UIAlertControllerStyleAlert];

UIAlertAction* okButton = [UIAlertAction
actionWithTitle:@"Ok"
style:UIAlertActionStyleDefault
handler:^(UIAlertAction * action) {
[self onStopped1];
}];

[alert addAction:okButton];
[self presentViewController:alert animated:YES completion:nil];
return nil;
}
[player1Stream on:kFPWCSStreamStatusPlaying callback:^(FPWCSApi2Stream *rStream){
[self changeStream1Status:rStream];
[self onPlaying1:rStream];
}];

[player1Stream 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 changeStream1Status:rStream];
}];

[player1Stream on:kFPWCSStreamStatusStopped callback:^(FPWCSApi2Stream *rStream){
[self changeStream1Status:rStream];
[self onStopped1];
}];
[player1Stream on:kFPWCSStreamStatusFailed callback:^(FPWCSApi2Stream *rStream){
[self changeStream1Status:rStream];
[self onStopped1];
}];
if(![player1Stream 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 player1Stream;
}


6. Воспроизведение второго видеопотока.

FPWCSApi2Session createStream, FPWCSApi2Stream play код

Методу createStream передаются параметры:

  • имя воспроизводимого потока
  • вид для отображения потока
- (FPWCSApi2Stream *)play2Stream {
FPWCSApi2Session *session = [FPWCSApi2 getSessions][0];
FPWCSApi2StreamOptions *options = [[FPWCSApi2StreamOptions alloc] init];
options.name = _player2StreamName.text;
options.display = _player2Display;
NSError *error;
player2Stream = [session createStream:options error:nil];
if (!player2Stream) {
UIAlertController * alert = [UIAlertController
alertControllerWithTitle:@"Failed to play"
message:error.localizedDescription
preferredStyle:UIAlertControllerStyleAlert];

UIAlertAction* okButton = [UIAlertAction
actionWithTitle:@"Ok"
style:UIAlertActionStyleDefault
handler:^(UIAlertAction * action) {
[self onStopped2];
}];

[alert addAction:okButton];
[self presentViewController:alert animated:YES completion:nil];
return nil;
}
[player2Stream on:kFPWCSStreamStatusPlaying callback:^(FPWCSApi2Stream *rStream){
[self changeStream2Status:rStream];
[self onPlaying2:rStream];
}];

[player2Stream 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 changeStream2Status:rStream];
}];

[player2Stream on:kFPWCSStreamStatusStopped callback:^(FPWCSApi2Stream *rStream){
[self changeStream2Status:rStream];
[self onStopped2];
}];
[player2Stream on:kFPWCSStreamStatusFailed callback:^(FPWCSApi2Stream *rStream){
[self changeStream2Status:rStream];
[self onStopped2];
}];
if(![player2Stream 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 player2Stream;
}


7. Остановка воспроизведения первого видеопотока.

FPWCSApi2Stream stop код

- (void)player1Button:(UIButton *)button {
[self changeViewState:button enabled:NO];
if ([button.titleLabel.text isEqualToString:@"STOP"]) {
if ([FPWCSApi2 getSessions].count) {
NSError *error;
[player1Stream stop:&error];
} else {
NSLog(@"Stop playing, no session");
[self onStopped1];
}
} else {
if ([FPWCSApi2 getSessions].count) {
[self changeViewState:_player1StreamName enabled:NO];
[self play1Stream];
} else {
NSLog(@"Start playing, no session");
[self onStopped1];
}
}
}


8. Остановка воспроизведения второго видеопотока.

FPWCSApi2Stream stop код

- (void)player2Button:(UIButton *)button {
[self changeViewState:button enabled:NO];
if ([button.titleLabel.text isEqualToString:@"STOP"]) {
if ([FPWCSApi2 getSessions].count) {
NSError *error;
[player2Stream stop:&error];
} else {
NSLog(@"Stop playing, no session");
[self onStopped2];
}
} else {
if ([FPWCSApi2 getSessions].count) {
[self changeViewState:_player2StreamName enabled:NO];
[self play2Stream];
} else {
NSLog(@"Start playing, no session");
[self onStopped2];
}
}
}


9. Закрытие соединения.

FPWCSApi2Session disconnect код

- (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];
}
}


10. Получение события, подтверждающего разъединение.

ViewController onDisconnected код

- (void)onDisconnected {
[_connectButton setTitle:@"CONNECT" forState:UIControlStateNormal];
[self changeViewState:_connectButton enabled:YES];
[self changeViewState:_connectUrl enabled:YES];
[self onStopped1];
[self onStopped2];
}


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