1.add loading indicator when buffering.

2.add check the free size of device is usable before save into the device
3. thanks for @EverMe (https://github.com/EverMe) pull some good ideas.

JPVideoPlayer/JPCacheManager.h

@@ -13,7 +13,7 @@
 
 #import <Foundation/Foundation.h>
 
-typedef void(^JPCacheQueryCompletedBlock)(NSUInteger);
+typedef void(^JPCacheQueryCompletedBlock)(unsigned long long);
 
 @interface JPCacheManager : NSObject
 
@@ -36,4 +36,10 @@ typedef void(^JPCacheQueryCompletedBlock)(NSUInteger);
  */
 +(void)getSize:(JPCacheQueryCompletedBlock)completedOperation;
 
+/**
+ * Get the free size of device.
+ * 获取磁盘剩余存储空间
+ */
++(unsigned long long )getDiskFreeSize;
+
 @end

JPVideoPlayer/JPCacheManager.m

@@ -9,13 +9,16 @@
 #import "JPCacheManager.h"
 #import "JPVideoCachePathTool.h"
 #import "JPVideoURLAssetResourceLoader.h"
+#include <sys/param.h>
+#include <sys/mount.h>
 
 @implementation JPCacheManager
 
 +(void)clearVideoCacheForUrl:(NSURL *)url{
+
     NSFileManager *fileManager = [NSFileManager defaultManager];
     NSString *savePa = [JPVideoCachePathTool fileSavePath];
-    NSString *suggestFileName = [[url absoluteString]lastPathComponent];
+    NSString *suggestFileName = [JPVideoCachePathTool suggestFileNameWithURL:url];
     savePa = [savePa stringByAppendingPathComponent:suggestFileName];
     if ([fileManager fileExistsAtPath:savePa]) {
         dispatch_async(dispatch_get_global_queue(0, 0), ^{
@@ -82,4 +85,13 @@ +(void)getSizeWithDirectoryPath:(NSArray *)directoryPathArr completion:(void(^)(
     });
 }
 
++ (unsigned long long)getDiskFreeSize{
+    struct statfs buf;
+   unsigned long long freespace = -1;
+    if(statfs("/var", &buf) >= 0){
+        freespace = (long long)(buf.f_bsize * buf.f_bfree);
+    }
+    return freespace;
+}
+
 @end

JPVideoPlayer/JPDownloadManager.h

@@ -54,62 +54,62 @@
 @interface JPDownloadManager : NSObject
 
 /**
- * The url of network file
+ * The url of network file.
  * 要下载的文件的URL
  */
 @property (nonatomic, strong, readonly) NSURL *url;
 
 /**
- * The value of start download position
+ * The value of start download position.
  * 下载位置的偏移量
  */
 @property (nonatomic, readonly) NSUInteger offset;
 
 /**
- * The total length of file
+ * The total length of file.
  * 文件总长度
  */
 @property (nonatomic, readonly) NSUInteger fileLength;
 
 /**
- * The current length of downloaded file
+ * The current length of downloaded file.
  * 当前下载了的文件的位置
  */
 @property (nonatomic, readonly) NSUInteger downLoadingOffset;
 
 /**
- * The mimeType of the downloading file
+ * The mimeType of the downloading file.
  * mineType 类型
  */
 @property (nonatomic, strong, readonly) NSString *mimeType;
 
 /**
- * Query is finished download
+ * Query is finished download.
  * 查询是否已经下载完成
  */
 @property (nonatomic, assign)BOOL isFinishLoad;
 
 /**
- * To be the delegate, It can pass the statu of download by Delegate-Method
- * @see JPDownloadManagerDelegate
+ * To be the delegate, It can pass the statu of download by Delegate-Method.
+ * @see JPDownloadManagerDelegate.
  * 成为代理, 就能获得下载状态
  */
 @property(nonatomic, weak)id<JPDownloadManagerDelegate> delegate;
 
 
 /**
- * It be used to save data as temporary file when requesting data from network
- * It also can auto move temporary file to the path you assigned when the temporary file is a complete file (mean that the length of temporary file is equal to the file in network) after request finished or canceled
- * And it will delete the temporary file if the temporary file is not a complete file after request finish or cancel
+ * It be used to save data as temporary file when requesting data from network.
+ * It also can auto move temporary file to the path you assigned when the temporary file is a complete file (mean that the length of temporary file is equal to the file in network) after request finished or canceled.
+ * And it will delete the temporary file if the temporary file is not a complete file after request finish or cancel.
  * 传递要下载的文件的URL和下载初始偏移量, 这个方法功能是从网络请求数据，并把数据保存到本地的一个临时文件.
  * 当网络请求结束或取消的时候，如果数据完整，则把数据缓存到指定的路径，不完整就删除
- * @param url       The url of network file
- * @param offset    The value of start download position, it can be 0
+ * @param url       The url of network file.
+ * @param offset    The value of start download position, it can be 0.
  */
 - (void)setUrl:(NSURL *)url offset:(long long)offset;
 
 /**
- * Cancel current download task
+ * Cancel current download task.
  * 取消当前下载进程
  */
 - (void)invalidateAndCancel;

JPVideoPlayer/JPDownloadManager.m

@@ -8,6 +8,7 @@
 
 #import "JPDownloadManager.h"
 #import "JPVideoCachePathTool.h"
+#import "JPCacheManager.h"
 
 @interface JPDownloadManager()<NSURLSessionDataDelegate>
 
@@ -49,9 +50,7 @@ - (void)setUrl:(NSURL *)url offset:(long long)offset{
     _curOffset = offset;
     _downLoadingOffset = 0;
 
-    NSString *urlString = [url absoluteString];
-    self.suggestFileName = [urlString lastPathComponent];
-
+    self.suggestFileName = [JPVideoCachePathTool suggestFileNameWithURL:url];
     [self startLoading];
 }
 
@@ -67,7 +66,7 @@ -(void)invalidateAndCancel{
 // 接收到服务器响应的时候
 -(void)URLSession:(NSURLSession *)session dataTask:(NSURLSessionDataTask *)dataTask didReceiveResponse:(NSURLResponse *)response completionHandler:(void (^)(NSURLSessionResponseDisposition))completionHandler{
 
-    NSLog(@"ReceiveResponse, 开始下载");
+    // NSLog(@"ReceiveResponse, 开始下载");
     _isFinishLoad = NO;
     _mimeType = @"video/mp4";
 
@@ -91,6 +90,13 @@ -(void)URLSession:(NSURLSession *)session dataTask:(NSURLSessionDataTask *)dataT
     }
     self.fileLength = fileLength;
 
+    // Compare DiskFreeSize and fileLength.
+    // 剩余空间与请求长度的判断
+    if (![self checkDiskFreeSize:fileLength]) {
+        completionHandler(NSURLSessionResponseCancel);
+        return;
+    }
+
     if ([self.delegate respondsToSelector:@selector(manager:didReceiveVideoLength:mimeType:)]) {
         [self.delegate manager:self didReceiveVideoLength:self.fileLength mimeType:self.mimeType];
     }
@@ -115,7 +121,6 @@ -(void)URLSession:(NSURLSession *)session dataTask:(NSURLSessionDataTask *)dataT
         // For Test
         // NSLog(@"loading ... 正在下载");
         //  NSLog(@"Download progress --- %0.2lf", 1.0 * _downLoadingOffset / self.fileLength);
-        // NSLog(@"DownloadManagerInstance %@", self);
 
         if ([self.delegate respondsToSelector:@selector(manager:didReceiveData:downloadOffset:tempFilePath:)]) {
             [self.delegate manager:self didReceiveData:data downloadOffset:_downLoadingOffset tempFilePath:_tempPath];
@@ -253,4 +258,16 @@ -(void)startLoading{
     [dataTask resume];
 }
 
+- (BOOL)checkDiskFreeSize:(NSUInteger)length{
+
+    unsigned long long freeDiskSize = [JPCacheManager getDiskFreeSize];
+
+    if (freeDiskSize < length) {
+//        [AlertBox showMessage:@"手机存储空间不足,请清理后再试." hideAfter:2];
+        return NO;
+    }
+
+    return YES;
+}
+
 @end

JPVideoPlayer/JPVideoCachePathTool.h

@@ -32,4 +32,10 @@ static NSString *jp_savePath = @"/JPVideoPlayer_save"; // complete file(完成
  */
 +(NSString *)fileSavePath;
 
+/**
+ * cache file Name
+ * 缓存的文件名字
+ */
++(NSString *)suggestFileNameWithURL:(NSURL*)url;
+
 @end

JPVideoPlayer/JPVideoCachePathTool.m

@@ -9,14 +9,13 @@
 
 @implementation JPVideoCachePathTool
 
-// Combine temporary file path
+// Combine temporary file path.
 // 拼接临时文件缓存存储路径
 +(NSString *)fileCachePath{
     return [self getFilePathWithAppendingString:jp_tempPath];
 }
 
-
-// Combine complete file path
+// Combine complete file path.
 // 拼接完整文件存储路径
 +(NSString *)fileSavePath{
     return [self getFilePathWithAppendingString:jp_savePath];
@@ -27,7 +26,7 @@ +(NSString *)getFilePathWithAppendingString:(NSString *)apdStr{
     NSFileManager *fileManager = [NSFileManager defaultManager];
     NSString *path = [NSSearchPathForDirectoriesInDomains(NSCachesDirectory, NSUserDomainMask, YES).lastObject stringByAppendingString:apdStr];
 
-    // Make folder
+    // Make folder.
     // 创建文件夹
     if (![fileManager fileExistsAtPath:path]) {
         [fileManager createDirectoryAtPath:path withIntermediateDirectories:YES attributes:nil error:nil];
@@ -36,5 +35,10 @@ +(NSString *)getFilePathWithAppendingString:(NSString *)apdStr{
     return path;
 }
 
+// cache file Name.
+// 缓存的文件名字
++(NSString *)suggestFileNameWithURL:(NSURL*)url{
+    return [url.absoluteString.lastPathComponent componentsSeparatedByString:@"?"].firstObject;
+}
 
 @end

JPVideoPlayer/JPVideoPlayer.h

@@ -28,10 +28,24 @@
 #import <UIKit/UIKit.h>
 #import "JPCacheManager.h"
 
+
+/**
+ * Use custom loading need implement this protocol.
+ * 使用自定义的loading时, 需实现此协议
+ */
+@protocol JPVideoPlayerLoadingDelegate<NSObject>
+
+@required
+- (void)startAnimating;
+- (void)stopAnimating;
+
+@end
+
+
 @interface JPVideoPlayer : NSObject
 
 /**
- * Singleton
+ * Singleton.
  * 单例
  */
 + (instancetype)sharedInstance;
@@ -56,14 +70,25 @@
  */
 - (void)playWithUrl:(NSURL *)url showView:(UIView *)showView;
 
+/**
+ * Default is YES.
+ */
+@property (nonatomic, assign) BOOL showActivityWhenLoading;
+
+/**
+ * The loading view before video play.
+ * 视频加载视图, 默认为系统UIActivityIndicatorView
+ * Default is UIActivityIndicatorView
+ */
+@property (nonatomic,strong) UIView<JPVideoPlayerLoadingDelegate> *loadingView;
 
 /**
- * Default is YES
+ * Default is YES.
  */
 @property (nonatomic, assign) BOOL stopWhenAppDidEnterBackground;
 
 /**
- * mute
+ * Mute.
  * 静音
  */
 @property(nonatomic, assign)BOOL mute;
@@ -72,6 +97,12 @@
 -(void)pause;
 -(void)stop;
 
+/** 
+ * The maximum disk cache. 1GB default, automatic clear all cache when the size of cache > 1GB.
+ * 最大磁盘缓存. 默认为 1G, 超过 1G 将自动清空所有视频磁盘缓存.
+ */
+@property(nonatomic, assign)unsigned long long  maxCacheSize;
+
 /**
  * Clear video cache for the given url asynchronously.
  * 清除指定URL的缓存视频文件(异步).
@@ -92,3 +123,4 @@
 -(void)getSize:(JPCacheQueryCompletedBlock)completedOperation;
 
 @end
+