Page Comparison

The site name and application name is specified by the operator of the measurement system.

KMA_SpringStreams *spring = [KMA_SpringStreams getInstance];

@protocol@interface KMA_Player_Meta <NSObject>
@required
-(NSString*) getPlayerName;
-(NSString*) getPlayerVersion;
-(int) getScreenWidth;
-(int) getScreenHeight;
@end


@interface StreamAdapter : NSObject {
}
- (id) init:(NSObject *)stream;
-(NSObject<Meta>: NSObject<NSCoding, NSCopying> {
}
@property (retain,readwrite) NSString *playername;
@property (retain,readwrite) NSString *playerversion;
@property (assign,readwrite) int screenwidth;
@property (assign,readwrite) int screenheight;

@end

@protocol KMA_StreamAdapter
@required
-(KMA_Player_Meta*) getMeta;
-(int) getPosition;
-(int) getDuration;
-(int) getWidth;
-(int) getHeight;
@end

In the library an adapter for class MPMoviePlayerController AVPlayerViewController from the MediaPlayer.framework AVKit ramework is settled.

The source code for this implementation can be found in Appendix Anhang A and in the library.

//
//  KMA_MediaPlayerAdapter.m
//  KMA_SpringStreams
//
//  Created by Frank Kammann on 26.08.11.
//  Copyright 2011 spring GmbH & Co. KG. All rights reserved.
//

#import <MediaPlayer/MediaPlayer.h>
#import <UIKit/UIKit.h>

#import "SpringStreams.h"


@class MediaPlayerMeta;


@implementation MediaPlayerAdapter

MPMoviePlayerController"KMA_SpringStreams.h"

/**
 * Implementation of a KMA_StreamAdapter.
 * 
 * @see KMA_StreamAdapter
 */
@implementation KMA_MediaPlayerAdapter

AVPlayerViewController *controller;
NSObject<Meta>KMA_Player_Meta *meta;

- (id)adapter:(MPMoviePlayerController *)player {
    self = [super init:player];
/**
 * Initialize the adapter with the MPMoviePlayerController
 *
 * @see http://developer.apple.com/library/ios/#documentation/mediaplayer/reference/MPMoviePlayerController_Class/Reference/Reference.html
 * 
 */
- (KMA_MediaPlayerAdapter*)adapter:(AVPlayerViewController *)player {
    //if (self) {
        meta = [[MediaPlayerMetaKMA_Player_Meta alloc] init];
meta:player]        meta.playername = @"AVPlayerViewController";
        controller = player;
    //}
    return [super selfinit];
}

/**
 * Returns the meta object.
 *
 * @see MediaPlayerMeta
 */
- (NSObject<Meta>KMA_Player_Meta*) getMeta {
    return meta;
}

/**
 * Returns the current position on the KMA_Stream in seconds by calling
 * the method MPMediaPlayback.currentPlaybackTime
 *
 * @see http://developer.apple.com/library/ios/#documentation/mediaplayer/reference/MPMediaPlayback_protocol/Reference/Reference.html#//apple_ref/occ/intf/MPMediaPlayback#
 */
- (int) getPosition {
    int position = (int)roundCMTimeGetSeconds([controller currentPlaybackTime]controller.player.currentItem.currentTime);
    // in initialize phase in controller this value is set to -2^31
    if(position < 0) position = 0;
    return position;
}

/**
 * Returns the duration of the KMA_Stream in seconds by calling
 * the method MPMediaPlayback.duration.
 *
 */
- (int) getDuration {
    return CMTimeGetSeconds(int)round([controller duration]controller.player.currentItem.duration);
}

/**
 * Returns the width by the controller view.
 *
 * @return contoller.view.bound.size.width
 */
- (int) getWidth {
    return controller.view.bounds.size.width;
}

/**
 * Returns the height by the controller view.
 *
 * @return contoller.view.bound.size.height
 */
- (int) getHeight {
    return controller.view.bounds.size.height;
}

- (void)dealloc {
    [meta release];
    [super dealloc];
}


@end



@implementation MediaPlayerMeta

MPMoviePlayerController *controller

@end



@implementation KMA_Player_Meta

/**
 * Returns the player name
 *
 * @return the string "MediaPlayer"
 */
@synthesize playername;

/**
 * Returns the player version.
 * The itselfs has no version so the system version is delivered.
 *
 * @see http://developer.apple.com/library/ios/#documentation/uikit/reference/UIDevice_Class/Reference/UIDevice.html
 *
 * @return The version my calling [UIDevice currentDevice].systemVersion
 */
@synthesize playerversion;

/**
 * Returns the screen width my calling the method
 * [[UIScreen mainScreen] bounds].screenRect.size.width
 *
 * @see http://developer.apple.com/library/ios/#documentation/uikit/reference/UIScreen_Class/Reference/UIScreen.html
 *
 * @return the width
 */
@synthesize screenwidth;

/**
 * Returns the screen width my calling the method
 * [[UIScreen mainScreen] bounds].screenRect.size.height
 *
 * @see http://developer.apple.com/library/ios/#documentation/uikit/reference/UIScreen_Class/Reference/UIScreen.html
 *
 * @return the height
 */
@synthesize screenheight;

- (id) meta:(MPMoviePlayerController *)player init {
    self = [super init];
    if (self) {
        if(player == nil)self.playername = @"iOS Player";
        self.playerversion = [UIDevice currentDevice].systemVersion;
        
        CGRect @throwscreenRect = [NSException exceptionWithName:@"IllegalArgumentException"[[UIScreen mainScreen] bounds];
        self.screenwidth = screenRect.size.width;
        self.screenheight = screenRect.size.height;
    }
    return self;
}

- (id) copyWithZone:(NSZone *)zone {
    id copy = [[[self  reason:@"player may not be null"class] alloc] init];
    
    if (copy) {
        // Copy NSObject subclasses
        [copy setPlayername:[self.playername copyWithZone:zone]];
        [copy  userInfo:nil];setPlayerversion:[self.playerversion copyWithZone:zone]];
        
        // Set primitives
  controller = player      [copy setScreenwidth:self.screenwidth];
        [copy setScreenheight:self.screenheight];
    }
    return selfcopy;
}

- (NSString *)description getPlayerName {
    return [NSString stringWithFormat:@"MediaPlayer";
}

- (NSString*) getPlayerVersion {Meta pl=%@ plv=%@ sx=%ld sy=%ld",
            self.playername,
            self.playerversion,
            (long)self.screenwidth,
          return [UIDevice currentDevice].systemVersion (long)self.screenheight];
}

- (intvoid) getScreenWidthencodeWithCoder:(NSCoder *)encoder {
    [encoder encodeObject:self.playername forKey:@"playername"];
 CGRect screenRect = [[UIScreen mainScreen] boundsencoder encodeObject:self.playerversion forKey:@"playerversion"];
    [encoder encodeInt:self.screenwidth forKey:@"screenwidth"];
    return screenRect.size.width[encoder encodeInt:self.screenheight forKey:@"screenheight"];
}

- (intid) getScreenHeightinitWithCoder:(NSCoder *)decoder {
    CGRect screenRectself.playername = [decoder decodeObjectForKey:@"playername"];
    self.playerversion = [[UIScreen mainScreen] boundsdecoder decodeObjectForKey:@"playerversion"];
    self.screenwidth = [decoder decodeIntForKey:@"screenwidth"];
    self.screenheight = [decoder decodeIntForKey:@"screenheight"];
    return screenRect.size.heightself;
}

@end