iOS 端播放 HLS 加密视频

pod 'CIPlayerAssistor'

#import <CIPlayerAssistor/CIPlayerAssistor.h>

@property (strong, nonatomic)AVPlayer *myPlayer;//播放器
@property (strong, nonatomic)AVPlayerItem *item;//播放单元
@property (strong, nonatomic)AVPlayerLayer *playerLayer;//播放界面（layer）

// 创建媒体配置对象
// fileUrl：文件链接。
CIMediaConfig * config = [[CIMediaConfig alloc]initWithFileUrl:@"https://ci-1251902136.cos.ap-chongqing.myqcloud.com/hls/encrypt/test.m3u8"];   
[[CIPlayerAssistor singleAssistor] setDebug:NO];// 关闭日志打印
// CIMediaConfig 类在实例化时 自动生成了公钥 config.publicKey;   
[self getToken:config.publicKey fileURL:config.fileUrl protectContentKey:1 callBack:^(NSString * _Nonnull url) {
        dispatch_async(dispatch_get_main_queue(), ^{
            // 设置授权信息，会在 url 上通过&拼接传入的 signature
            // 如果原始 url 是 cdn 的话，不用传 cos 的 signature
            [[CIPlayerAssistor singleAssistor] buildPlayerUrlWithConfig:self.config withUrl:url buildUrlcallBack:^(NSString * _Nullable url, NSError * _Nullable error) {
                AVPlayerItem *item = [[AVPlayerItem alloc] initWithURL:[NSURL URLWithString:url]];
                self.myPlayer = [AVPlayer playerWithPlayerItem:item];
                self.playerLayer = [AVPlayerLayer playerLayerWithPlayer:self.myPlayer];
                self.playerLayer.frame = CGRectMake(0, 100, self.view.bounds.size.width, 300);
                [self.view.layer addSublayer:self.playerLayer];
                [self.myPlayer play];
            }];
        });
}];

- (void)getToken:(NSString *)publickey fileURL:(NSString *)fileURL protectContentKey:(int)protect callBack:(void (^)(NSString * url))callBack{
    // 该 url 仅为示例，请替换成您业务的 url，具体实现请参考 “业务后端示例代码”
    NSMutableURLRequest * mrequest = [[NSMutableURLRequest alloc]initWithURL:[NSURL URLWithString:@"https://cos.cloud.tencent.com/samples/hls/token"]];
    mrequest.HTTPMethod = @"POST";
    [mrequest setValue:@"application/json" forHTTPHeaderField:@"Content-Type"];
    NSData *data = [publickey dataUsingEncoding:NSUTF8StringEncoding];
    publickey = [data base64EncodedStringWithOptions:0];
    NSString * objectKey = [NSURL URLWithString:fileURL].path;
    if ([objectKey hasPrefix:@"/"]) {
        objectKey = [objectKey substringFromIndex:1];
    }
    NSDictionary * body = @{
        @"objectKey":objectKey,
        @"publicKey":publickey,
        @"protectContentKey":@(protect)
    };
    mrequest.HTTPBody = [NSJSONSerialization dataWithJSONObject:body options:NSJSONWritingFragmentsAllowed error:nil];
    [[[NSURLSession sharedSession]dataTaskWithRequest:mrequest completionHandler:^(NSData * _Nullable data, NSURLResponse * _Nullable response, NSError * _Nullable error) {
        NSDictionary * result = [NSJSONSerialization JSONObjectWithData:data options:NSJSONReadingAllowFragments error:nil];
        callBack(result[@"playUrl"]);
    }]resume];

}