必知的技术知识:iosavplayer视频播放器

简介: 必知的技术知识:iosavplayer视频播放器

#import


@interface XGGesTuresView : UIView


//左下角播放按钮


@property (nonatomic ,strong)UIButton leftplayerbutton;


//最小时间


@property (nonatomic ,strong)UILabel mintimelable;


//滑动条


@property (nonatomic ,strong)UISlider slider;


//缓冲条


@property (nonatomic ,strong)UIProgressView progressview;


//视频总时长


@property (nonatomic ,strong)UILabel maxtimelable;


//全屏按钮


@property (nonatomic ,strong)UIButton fullbutton;


//右边中间播放按钮


@property (nonatomic ,strong)UIButton rightplayerbutton;


//小菊花


@property (nonatomic ,strong)UIActivityIndicatorView activity;


//视频出错提示 网络提示 用同一个


//@property (nonatomic ,strong)UILabel errorlable;


//返回按钮


@property (nonatomic ,strong)UIButton backbutton;


//标题 可以自己调颜色


@property (nonatomic ,strong)UILabel titlelable;


@end


#import "XGGesTuresView.h"


@implementation XGGesTuresView


- (instancetype)initWithFrame:(CGRect)frame{


if (self =【super initWithFrame:frame】) {


self.backgroundColor = 【UIColor clearColor】;


【self creatUI】;


}


return self;


}


- (void)creatUI{


//左边播放按钮


self.leftplayerbutton = 【UIButton buttonWithType:UIButtonTypeCustom】;


【self.leftplayerbutton setImage:【UIImage imageNamed:@"Stop"】 forState:UIControlStateNormal】;


【self.leftplayerbutton setImage:【UIImage imageNamed:@"Play"】 forState:UIControlStateSelected】;


【self addSubview:self.leftplayerbutton】;


//进度时间lable


self.mintimelable = 【【UILabel alloc】init】;


self.mintimelable.text = @"00:00";


self.mintimelable.textColor = 【UIColor whiteColor】;


self.mintimelable.textAlignment = NSTextAlignmentCenter;


self.mintimelable.font = 【UIFont systemFontOfSize:14】;


【self addSubview:self.mintimelable】;


//缓冲条


self.progressview = 【【UIProgressView alloc】init】;


self.progressview.progressTintColor = 【UIColor magentaColor】;


【self addSubview:self.progressview】;


//滑动条


self.slider = 【【UISlider alloc】init】;


self.slider.minimumTrackTintColor = 【UIColor whiteColor】;


self.slider.maximumTrackTintColor = 【UIColor clearColor】;


【self.slider setThumbImage:【UIImage imageNamed:@"icmpv_thumb_light"】 forState:UIControlStateNormal】;


【self addSubview:self.slider】;


//总时间lable


self.maxtimelable = 【【UILabel alloc】init】;


self.maxtimelable.text = @"00:00";


self.maxtimelable.textColor = 【UIColor whiteColor】;


self.maxtimelable.textAlignment = NSTextAlignmentCenter;


self.maxtimelable.font = 【UIFont systemFontOfSize:14】;


【self addSubview:self.maxtimelable】;


//全屏按钮


self.fullbutton = 【UIButton buttonWithType:UIButtonTypeCustom】;


【self.fullbutton setImage:【UIImage imageNamed:@"Rotation"】 forState:UIControlStateNormal】;


【self addSubview:self.fullbutton】;


//右边播放按钮


self.rightplayerbutton = 【UIButton buttonWithType:UIButtonTypeCustom】;


【self.rightplayerbutton setImage:【UIImage imageNamed:@"player_pause_iphone_window"】 forState:UIControlStateNormal】;


【self.rightplayerbutton setImage:【UIImage imageNamed:@"player_start_iphone_window"】 forState:UIControlStateSelected】;


【self addSubview:self.rightplayerbutton】;


//小菊花


self.activity = 【【UIActivityIndicatorView alloc】initWithActivityIndicatorStyle:UIActivityIndicatorViewStyleWhiteLarge】;


self.activity.color = 【UIColor whiteColor】;


【self addSubview:self.activity】;


//视频出错提示


// self.errorlable = 【【UILabel alloc】init】;


// self.errorlable.text = @"亲,视频解析出错了!";


// self.errorlable.textColor = 【UIColor whiteColor】;


// self.errorlable.textAlignment = NSTextAlignmentCenter;


// self.errorlable.hidden = YES;


// 【self addSubview:self.errorlable】;


//返回按钮


self.backbutton = 【UIButton buttonWithType:UIButtonTypeCustom】;


【self.backbutton setImage:【UIImage imageNamed:@"public返回"】 forState:UIControlStateNormal】;


【self addSubview:self.backbutton】;


//标题


self.titlelable = 【【UILabel alloc】init】;


self.titlelable.textColor = 【UIColor whiteColor】;


【self addSubview:self.titlelable】;


}


- (void)layoutSubviews{


【super layoutSubviews】;


self.leftplayerbutton.frame = CGRectMake(10, self.frame.size.height - 40, 30, 30);


self.mintimelable.frame = CGRectMake(CGRectGetMaxX(self.leftplayerbutton.frame), self.frame.size.height - 40, 60, 30);


self.slider.frame = CGRectMake(CGRectGetMaxX(self.mintimelable.frame), self.frame.size.height - 35, self.frame.size.width - 2 CGRectGetMaxX(self.mintimelable.frame), 20);


self.progressview.frame = CGRectMake(self.slider.frame.origin.x + 6, self.slider.frame.origin.y, self.slider.frame.size.width - 12, 2);


self.progressview.center = self.slider.center;


self.maxtimelable.frame = CGRectMake(CGRectGetMaxX(self.slider.frame), self.frame.size.height - 40, 60, 30);


self.fullbutton.frame = CGRectMake(CGRectGetMaxX(self.maxtimelable.frame), self.frame.size.height -40, 30, 30);


self.rightplayerbutton.frame = CGRectMake(self.frame.size.width - 60, self.frame.size.height - 100, 50, 50);


self.activity.frame = CGRectMake(CGRectGetMidX(self.bounds) - 370.5, CGRectGetMidY(self.bounds)-370.5, 37, 37);


//self.errorlable.frame = CGRectMake(self.frame.size.width/ 2 - 100, self.frame.size.height / 2 -10, 200, 20);


self.backbutton.frame = CGRectMake(0, 0, 30, 30);


self.titlelable.frame = CGRectMake(CGRectGetMaxX(self.backbutton.frame), CGRectGetMinY(self.backbutton.frame), self.frame.size.width - CGRectGetMaxX(self.backbutton.frame), 30);


}


- (void)dealloc{


}


上面这些是提示视图 和 手势视图 下面是主要 用avplayer 来播放 代码可以复制到你的工程里 把类改一下就行


#import


@protocol XGAVPlayerViewdelegate


//全屏


- (void)XGAVPlayerViewfullScreen:(BOOL)fullscreen;


//返回


- (void)XGAVPlayerViewback;


@end


@interface XGAVPlayerView : UIView


//代理


@property (nonatomic ,weak)iddelegate;


//本地和网络亦可


- (void)setUrl:(NSURL )url andIsStartplay:(BOOL)isstartplay;


//


- (void)closeplay;


@end


#import "XGAVPlayerView.h"


#import "Reachability.h"


#import "XGGesTuresView.h"


#import


#import


#import


@interface XGAVPlayerView ()


//播放工具


@property (nonatomic ,strong)AVPlayer player;


//播放图层


@property (nonatomic ,strong)AVPlayerLayer playerlayer;


//播放资源对象


@property (nonatomic ,strong)AVPlayerItem playeritem;


//手势视图


@property (nonatomic ,strong)XGGesTuresView gesturesview;


//错误lable


@property (nonatomic ,strong)UILabel errorlable;


//重连


@property (nonatomic ,strong)UIButton reconnectbutton;


@property (nonatomic ,strong)CTCallCenter telephone;


//播放地址


@property (nonatomic ,strong)NSURL playerurl;


//player时间观察者


@property (nonatomic ,strong)id playTimeObserver;


//是否正在播放


@property (nonatomic ,assign)BOOL isplaying;


//是否开始播放 可从外界控制


@property (nonatomic ,assign)BOOL isstartplay;


//网络


@property (nonatomic ,assign)NetworkStatus netstatus;


@end


@implementation XGAVPlayerView


//初始化


- (instancetype)initWithFrame:(CGRect)frame{


if (self = 【super initWithFrame:frame】) {


self.backgroundColor = 【UIColor blackColor】;


【self creatAvPlayer】;


【self creatUI】;


【self addtap】;


}


return self;


}


//播放管理


- (void)creatAvPlayer{


self.player = 【【AVPlayer alloc】init】;


self.playerlayer = 【AVPlayerLayer playerLayerWithPlayer:self.player】;


self.playerlayer.videoGravity = AVLayerVideoGravityResizeAspect;


【self.layer insertSublayer:self.playerlayer atIndex:0】;//放到最底层


}


//视图


- (void)creatUI{


//错误


self.errorlable = 【【UILabel alloc】init】;


self.errorlable.textColor = 【UIColor whiteColor】;


self.errorlable.textAlignment = NSTextAlignmentCenter;


self.errorlable.hidden = YES;


【self addSubview:self.errorlable】;


//重连


self.reconnectbutton = 【UIButton buttonWithType:UIButtonTypeCustom】;


【self.reconnectbutton setTitle:@"重 连" forState:UIControlStateNormal】;


self.reconnectbutton.backgroundColor = 【UIColor greenColor】;


self.reconnectbutton.hidden = YES;


【self.reconnectbutton addTarget:self action:@selector(notreachableclick) forControlEvents:UIControlEventTouchUpInside】;


【self addSubview:self.reconnectbutton】;


//手势视图


self.gesturesview = 【【XGGesTuresView alloc】init】;


【self addSubview:self.gesturesview】;


self.gesturesview.slider.value = 0.0;//滑动条初始值


self.gesturesview.progressview.progress = 0.0;//缓冲条初始值


【self.gesturesview.leftplayerbutton addTarget:self action:@selector(playclick) forControlEvents:UIControlEventTouchUpInside】;


【self.gesturesview.fullbutton addTarget:self action:@selector(fullclick:) forControlEvents:UIControlEventTouchUpInside】;


【self.gesturesview.rightplayerbutton addTarget:self action:@selector(playclick) forControlEvents:UIControlEventTouchUpInside】;


【self.gesturesview.backbutton addTarget:self action:@selector(backclick) forControlEvents:UIControlEventTouchUpInside】;


【self.gesturesview.slider addTarget:self action:@selector(palyslidertouchdown:) forControlEvents:UIControlEventTouchDown】;//按下


【self.gesturesview.slider addTarget:self action:@selector(palysliderdrop:) forControlEvents:UIControlEventValueChanged】;//拖动


【self.gesturesview.slider addTarget:self action:@selector(palysliderdropfinish:) forControlEvents:UIControlEventTouchUpInside】;//点击


}


//播放 暂停


- (void)playclick{


self.isplaying ? 【self stopplay】 :【self startplay】;


}


//全屏


- (void)fullclick:(UIButton )sender{


sender.selected = !sender.selected;


if (self.delegate && 【self.delegate respondsToSelector:@selector(XGAVPlayerViewfullScreen:)】){


【self.delegate XGAVPlayerViewfullScreen:sender.selected】;


}


}


//返回 如果反回到原始图(竖屏) 记得改变全屏按钮状态 如果返回到上一个控制器 则不需要改变全屏按钮状态 这里自定义


- (void)backclick{


【self stopplay】;


if (self.delegate && 【self.delegate respondsToSelector:@selector(XGAVPlayerViewback)】){


【self.delegate XGAVPlayerViewback】;


}


}


//按下


- (void)palyslidertouchdown:(UISlider )sender{


【self.player pause】;


if (self.isplaying == YES) {


self.gesturesview.leftplayerbutton.selected = YES;


self.gesturesview.rightplayerbutton.selected = YES;


}


【【self class】 cancelPreviousPerformRequestsWithTarget:self selector:@selector(showgesturesview) object:nil】;


}


//拖动


- (void)palysliderdrop:(UISlider )sender{


CMTime changetime = CMTimeMakeWithSeconds(sender.value, 1.0);


self.gesturesview.mintimelable.text = 【self convertTime:CMTimeGetSeconds(changetime)】;


}


//拖动结束


- (void)palysliderdropfinish:(UISlider )sender{


CMTime changetime = CMTimeMakeWithSeconds(sender.value, 1.0);


【self.playeritem seekToTime:changetime completionHandler:^(BOOL finished) {


self.isplaying ? 【self startplay】 : nil;


}】 ;


}


//手势


- (void)addtap{


UITapGestureRecognizer tap = 【【UITapGestureRecognizer alloc】initWithTarget:self action:@selector(showgesturesview)】;


tap.delegate = self;


【self addGestureRecognizer:tap】;


}


//手势方法


- (void)showgesturesview{


【【self class】 cancelPreviousPerformRequestsWithTarget:self selector:@selector(showgesturesview) object:nil】;


【UIView animateWithDuration:0.25 animations:^{


self.gesturesview.hidden = !self.gesturesview.hidden;


【【UIApplication sharedApplication】setStatusBarHidden:self.gesturesview.hidden withAnimation:UIStatusBarAnimationFade】;


} completion:nil】;


}


//手势代理 用来解决uislider和tap 的手势冲突


- (BOOL)gestureRecognizer:(UIGestureRecognizer )gestureRecognizer shouldReceiveTouch:(nonnull UITouch )touch{


if (【touch.view isKindOfClass:【UISlider class】】) {


return NO;


}


return YES;


}


//本地和网络亦可


- (void)setUrl:(NSURL )url andIsStartplay:(BOOL)isstartplay{//进来优先检查网络


self.isstartplay = isstartplay;


self.playerurl = url;


NetworkStatus firststatus = 【self CheckNowNetWorkStatus】;


switch (firststatus) {


case NotReachable:{//进来时没网络


【self notreachable】;


}break;


case ReachableViaWiFi:{//进来wifi


【self reachableviawifi:url】;


}break;


case ReachableViaWWAN:{//进来时没网络


UIAlertView firstalert = 【【UIAlertView alloc】initWithTitle:@"温馨提示" message:@"当前处于2g/3g/4g模式下,继续播放会产生流量!" delegate:self cancelButtonTitle:@"取消" otherButtonTitles:@"确定", nil】;


firstalert.tag = 1;


【firstalert show】;


}break;


default:


break;


}


}


//无网络提示


- (void)notreachable{


【self stopplay】;


self.errorlable.hidden = NO;


self.errorlable.text = @"亲,没有网络!";


self.reconnectbutton.hidden = NO;


self.gesturesview.userInteractionEnabled = NO;


}


//刚进来时无网络状态 没有创建self.playeritem 和监听 所以不影响后面的


- (void)notreachableclick{


NetworkStatus reconnect = 【self CheckNowNetWorkStatus】;


switch (reconnect) {


case NotReachable:{//重连 无网络点击 不做任何反应


NSLog(@"无网络");


}break;


case ReachableViaWiFi:{//wifi


NSLog(@"wifi");


}


case ReachableViaWWAN:{//在流量状态重连 表示用户默认接受了流量状态下播放 wifi就不用说了


【self reachableviawifi:self.playerurl】;


}break;


default:


break;


}


}


//wifi


- (void)reachableviawifi:(NSURL )url{


self.errorlable.hidden = YES;


self.reconnectbutton.hidden = YES;


self.gesturesview.userInteractionEnabled = YES;


if (【url.absoluteString hasPrefix:@"http"】 ||【url.absoluteString hasPrefix:@"https"】){//网络视频 添加网络监听


self.playeritem = 【AVPlayerItem playerItemWithURL:【NSURL URLWithString:【url.absoluteString stringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding】】】;


【self addnetworkNotification】;


}else{//本地


self.playeritem = 【AVPlayerItem playerItemWithURL:url】;


}


【self.player replaceCurrentItemWithPlayerItem:self.playeritem】;


【self addNotification】;


}


//网络监控


- (void)addnetworkNotification{


【【NSNotificationCenter defaultCenter】addObserver:self selector:@selector(netchange:) name:kReachabilityChangedNotification object:nil】;


}


//网络状态


- (void)netchange:(NSNotification )noti{


Reachability reach = 【noti object】;


if (【reach isKindOfClass:【Reachability class】】) {


NetworkStatus status = 【reach currentReachabilityStatus】;


【self updatenetworkstatus:status】;


}


}


//根据网络 改变播放状态


- (void)updatenetworkstatus:(NetworkStatus)status{


switch (status) {


case NotReachable:{//无网络


【self notreachable】;


}break;


case ReachableViaWiFi:{


self.errorlable.hidden = YES;


self.reconnectbutton.hidden = YES;


self.gesturesview.userInteractionEnabled = YES;


}break;


case ReachableViaWWAN:{//2g3g4g


【self stopplay】;


UIAlertView wwanalert = 【【UIAlertView alloc】initWithTitle:@"温馨提示" message:@"当前处于2g/3g/4g模式下,继续播放会产生流量!" delegate:self cancelButtonTitle:@"取消" otherButtonTitles:@"确定", nil】;


wwanalert.tag = 2;


【wwanalert show】;


}break;


default:


break;


}


}


//alert代理


- (void)alertView:(UIAlertView )alertView didDismissWithButtonIndex:(NSInteger)buttonIndex{


switch (alertView.tag) {


case 1:{


if (buttonIndex != alertView.cancelButtonIndex) {


【self reachableviawifi:self.playerurl】;


}


}break;


case 2:{


if (buttonIndex != alertView.cancelButtonIndex) {


【self startplay】;


}


}break;


default:


break;


}


}


//通知


- (void)addNotification {


//kvo监听


【self.playeritem addObserver:self forKeyPath:@"status" options:NSKeyValueObservingOptionNew context:nil】;


// 监听loadedTimeRanges属性


【self.playeritem addObserver:self forKeyPath:@"loadedTimeRanges" options:NSKeyValueObservingOptionNew context:nil】;


// 播放完成通知


【【NSNotificationCenter defaultCenter】 addObserver:self selector:@selector(playbackFinished:) name:AVPlayerItemDidPlayToEndTimeNotification object:nil】;


// 前台通知


【【NSNotificationCenter defaultCenter】 addObserver:self selector:@selector(enterForeground:) name:UIApplicationWillEnterForegroundNotification object:nil】;


// 后台通知


【【NSNotificationCenter defaultCenter】 addObserver:self selector:@selector(enterBackground:) name:UIApplicationDidEnterBackgroundNotification object:nil】;


【self monitoringPlayback:self.playeritem】;


}


//键值观察


- (void)observeValueForKeyPath:(NSString )keyPath ofObject:(id)object change:(NSDictionary )change context:(void )context {


if (【keyPath isEqualToString:@"status"】){//状态


AVPlayerStatus status = 【【change objectForKey:@"new"】 intValue】;


if (status == AVPlayerStatusReadyToPlay) {


AVPlayerItem item = (AVPlayerItem )object;


self.gesturesview.slider.maximumValue = CMTimeGetSeconds(item.duration);// 获取视频长度 设置视频时间


self.gesturesview.maxtimelable.text = 【self convertTime:CMTimeGetSeconds(item.duration)】;// 设置视频时间


self.isstartplay ? 【self startplay】:【self stopplay】;// 进来开始播放 进来暂停暂停


}else if (status == AVPlayerStatusFailed){//当地址不对 无网络时 会走此方法


NSLog(@"AVPlayerStatusFailed");


【self stopplay】;


self.errorlable.hidden = NO;


self.errorlable.text = @"亲,视频解析出错了!";


self.gesturesview.userInteractionEnabled = NO;


}else {


NSLog(@"AVPlayerStatusUnknown");


}


} else if (【keyPath isEqualToString:@"loadedTimeRanges"】){


NSTimeInterval timeInterval = 【self availableDurationRanges】; // 缓冲时间


CGFloat totalDuration = CMTimeGetSeconds(self.playeritem.duration); // 总时间


【self.gesturesview.progressview setProgress:timeInterval / totalDuration animated:YES】;//更新缓冲条


}


}


// 相对格林时间


- (NSString )convertTime:(CGFloat)second {


NSDate date = 【NSDate dateWithTimeIntervalSince1970:second】;


NSDateFormatter formatter = 【【NSDateFormatter alloc】 init】;


if (second / 3600 >= 1) {


【formatter setDateFormat:@"HH:mm:ss"】;


} else {


【formatter setDateFormat:@"mm:ss"】;


}


NSString showTimeNew = 【formatter stringFromDate:date】;


return showTimeNew;


}


// 缓冲时间 计算


- (NSTimeInterval)availableDurationRanges {


NSArray loadedTimeRanges = 【self.playeritem loadedTimeRanges】; // 获取item的缓冲数组


CMTimeRange timeRange = 【loadedTimeRanges.firstObject CMTimeRangeValue】; // 获取缓冲区域


float startSeconds = CMTimeGetSeconds(timeRange.start);// CMTimeRange 结构体 start duration 表示起始位置 和 持续时间


float durationSeconds = CMTimeGetSeconds(timeRange.duration);


NSTimeInterval result = startSeconds + durationSeconds; // 计算总缓冲时间 = start + duration


return result;


}


//播放完成通知


- (void)playbackFinished:(NSNotification )notification {


self.playeritem = 【notification object】;


【self.playeritem seekToTime:kCMTimeZero】; // 跳转到初始


【self stopplay】;//暂停


//代码效果参考:http://hnjlyzjd.com/xl/wz_25334.html

self.gesturesview.hidden = NO;

//【self startplay】;//开始 无限循环


}


//进入前台


- (void)enterForeground:(NSNotification )notification {


NSSet currentsset = self.telephone.currentCalls;


if (currentsset == nil) {


if(!self.isplaying){//切刀后台最后一刻的状态


【self startplay】;


}


}


}


//进入后台


- (void)enterBackground:(NSNotification )notification {


【self stopplay】;


}


// 观察播放进度 每秒执行1次, CMTime 为1秒


- (void)monitoringPlayback:(AVPlayerItem )item {


__weak typeof(self)WeakSelf = self;


self.playTimeObserver = 【self.player addPeriodicTimeObserverForInterval:CMTimeMake(1, 1.0) queue:dispatch_get_main_queue() usingBlock:^(CMTime time) {


//当前播放时间 秒


float currentPlayTime = (double)item.currentTime.value/ item.currentTime.timescale;


WeakSelf.gesturesview.slider.value = currentPlayTime;


WeakSelf.gesturesview.mintimelable.text = 【WeakSelf convertTime:currentPlayTime】;


}】;


}


//开始播放


- (void)startplay{


self.isplaying = YES;


【self.player play】;


self.gesturesview.leftplayerbutton.selected = NO;


self.gesturesview.rightplayerbutton.selected = NO;


【self performSelector:@selector(showgesturesview) withObject:nil afterDelay:5.0】;


}


//暂停播放


- (void)stopplay{


self.isplaying = NO;


【self.player pause】;


self.gesturesview.leftplayerbutton.selected = YES;


self.gesturesview.rightplayerbutton.selected = YES;


【【self class】 cancelPreviousPerformRequestsWithTarget:self selector:@selector(showgesturesview) object:nil】;


}


//约束


- (void)layoutSubviews{


【super layoutSubviews】;


self.playerlayer.frame = self.bounds;


self.gesturesview.frame = self.bounds;


self.errorlable.frame = CGRectMake(self.frame.size.width/ 2 - 150, self.frame.size.height / 2 -20, 300, 20);


self.reconnectbutton.frame = CGRectMake(self.frame.size.width/ 2 - 30, CGRectGetMaxY(self.errorlable.frame) + 10, 60, 30);


}


//第一次进入页面判断网络状态使用


- (NetworkStatus)CheckNowNetWorkStatus{


NSArray subviews = 【【【【UIApplication sharedApplication】 valueForKey:@"statusBar"】 valueForKey:@"foregroundView"】 subviews】;


NSNumber dataNetworkItemView = nil;


for (id subview in subviews) {


if(【subview isKindOfClass:【NSClassFromString(@"UIStatusBarDataNetworkItemView") class】】) {


dataNetworkItemView = subview;


break;


}


}


switch (【【dataNetworkItemView valueForKey:@"dataNetworkType"】integerValue】) {


case 0:NSLog(@"No wifi or cellular");


return NotReachable;


break;


case 1:NSLog(@"2G");


case 2:NSLog(@"3G");


case 3:NSLog(@"4G");


&nbsp

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