NELivePlayerDataSource Protocol Reference Conforms to NSObject Declared in NELivePlayerDefine.h – readAtPosition:buffer:size:error: required method 读取数据 - (int)readAtPosition:(long)position buffer:(void *)buffer size:(int)size error:(NSError **)error Parameters position 读取的位置 buffer 数据缓存 size 数据长度 offset 偏移 Return Value 实际读到的数据。< 0 表示失败 Discussion 读取数据 Declared In NELivePlayerDefine.h – getSize: required method 获取文件大小 - (BOOL)getSize:(int64_t *)size Return Value 如果不知道实际大小，那么返回-1 Discussion 获取文件大小 Declared In NELivePlayerDefine.h – close required method 关闭 - (BOOL)close Discussion 关闭 Declared In NELivePlayerDefine.h – getPath required method 返回用于拉流播放的链接地址 - (NSString *)getPath Return Value 地址.null 表示失败 Discussion 返回用于拉流播放的链接地址 Declared In NELivePlayerDefine.h