platform :ios, '9.0'
pod 'XTAudioPlayer'

#import "XTAudioPlayer.h"

//Configure properties for XTAudioPlayer and playback a video.
[XTAudioPlayer sharePlayer].config.playerLayerRotateAngle = M_PI_2;
[XTAudioPlayer sharePlayer].config.playerLayerVideoGravity = AVLayerVideoGravityResizeAspectFill;
[XTAudioPlayer sharePlayer].config.audioSessionCategory = AVAudioSessionCategoryPlayback;

[[XTAudioPlayer sharePlayer] playWithUrlStr:self.urlArray[indexPath.row] cachePath:nil videoFrame:[UIScreen mainScreen].bounds inView:self.view completion:^(NSError *error) {
        //code what you want to code
}];

//Playback a audio.
[[XTAudioPlayer sharePlayer] playWithUrlStr:self.urlArray[indexPath.row] cachePath:nil completion:^(NSError *error) {
        //code what you want to code
}];

//Playback a video by AVPlayerViewController
[XTAudioPlayer sharePlayer].delegate = self;
AVPlayerViewController *playerVC = [[XTAudioPlayer sharePlayer] playByPlayerVCWithUrlStr:self.urlArray[indexPath.row] cachePath:nil completion:nil];
[self presentViewController:playerVC animated:NO completion:nil];

#pragma mark - XTAudioPlayerDelegate
-(void)suspendForLoadingDataWithPlayer:(AVPlayer *)player{
    //Do something when the player is suspended for loading data...
    NSTimeInterval currentTime = [[NSDate date] timeIntervalSinceNow];
    self.lastSuspendTime = currentTime;
}

-(void)activeToContinueWithPlayer:(AVPlayer *)player{
    //The player is ready to continue...
    /**
     It is not recommended to continue play the player immediately, because this selector will be called when the player only buffer a little data, so this selector will be called very frequently.
     Therefore it is recommended to play the player after buffering several seconds.
     */
    dispatch_after(dispatch_time(self.lastSuspendTime, (int64_t)(3 * NSEC_PER_SEC)), dispatch_get_main_queue(), ^{
        [player play];
    });
}

/**
 Playback an audio with an url string which can be a url for a media file, or a path for a media file in sandbox or boundle, and set cache path for the media file, the playCompleteBlock will be executed when complete the play.

 @param urlStr Url for a media file, or a path for a media file in sandbox or boundle
 @param cachePath Cache path for the media file, if you set it nil, the file will cache in a default path
 @param playCompleteBlock The block to execute after the play has been end. If the play is fail to end, there is a error in the block
 */
- (void)playWithUrlStr:(nonnull NSString *)urlStr cachePath:(nullable NSString *)cachePath completion:(PlayCompleteBlock)playCompleteBlock;

/**
 Playback a video with an visible layer.

 @param urlStr Url for a media file, or a path for a media file in sandbox or boundle
 @param cachePath Cache path for the media file, if you set it nil, the file will cache in a default path
 @param videoFrame The frame for the visible layer
 @param bgView The super view for the visible layer
 @param playCompleteBlock The block to execute after the play has been end. If the play is fail to end, there is a error in the block
 */
- (void)playWithUrlStr:(nonnull NSString *)urlStr cachePath:(nullable NSString *)cachePath videoFrame:(CGRect)videoFrame inView:(UIView *)bgView completion:(PlayCompleteBlock)playCompleteBlock;

/**
 Playback a video by AVPlayerViewController.

 @param urlStr Url for a media file, or a path for a media file in sandbox or boundle
 @param cachePath Cache path for the media file, if you set it nil, the file will cache in a default path
 @param playCompleteBlock The block to execute after the play has been end. If the play is fail to end, there is a error in the block
 @return An AVPlayerViewController object which playback this video
 */
- (AVPlayerViewController *)playByPlayerVCWithUrlStr:(nonnull NSString *)urlStr cachePath:(nullable NSString *)cachePath completion:(PlayCompleteBlock)playCompleteBlock;

@protocol XTAudioPlayerDelegate<NSObject>

@optional

/**
 Tells the delegate the player is suspended because of the buffer is empty.

 @param player The AVPlayer object informing the delegate of this event.
 */
-(void)suspendForLoadingDataWithPlayer:(AVPlayer *)player;


/**
 Tells the delegate the player is ready to continue to playback.

 @param player The AVPlayer object informing the delegate of this event.
 */
-(void)activeToContinueWithPlayer:(AVPlayer *)player;

@end