#import <Photos/Photos.h>
// MARK:压缩视频
+ (void)convertVideoQuailtyWithInputURL:(NSURL *)inputURL completeHandler:(void (^)(NSData *videoData))handler {
NSDateFormatter *formater = [[NSDateFormatter alloc] init];
[formater setDateFormat:@"yyyy-MM-dd-HH:mm:ss"];
NSString *fileName = [formater stringFromDate:[NSDate date]];
NSString *videoFileName = [NSString stringWithFormat:@"Video_%@.mp4", fileName];
//保存至沙盒路径
NSString *pathDocuments = [NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES) objectAtIndex:0];
NSString *videoPath = [NSString stringWithFormat:@"%@/VideoInfo", pathDocuments];
NSString *videoFilePath = [videoPath stringByAppendingPathComponent:videoFileName];
AVURLAsset *avAsset = [AVURLAsset URLAssetWithURL:inputURL options:nil];
AVAssetExportSession *exportSession = [[AVAssetExportSession alloc] initWithAsset:avAsset presetName:AVAssetExportPresetMediumQuality];
exportSession.outputURL = [NSURL fileURLWithPath:videoFilePath];
exportSession.outputFileType = AVFileTypeMPEG4;
exportSession.shouldOptimizeForNetworkUse = YES;
__block NSData *data;
[exportSession exportAsynchronouslyWithCompletionHandler:^(void) {
switch (exportSession.status) {
case AVAssetExportSessionStatusCancelled:
NSLog(@"AVAssetExportSessionStatusCancelled");
break;
case AVAssetExportSessionStatusUnknown:
NSLog(@"AVAssetExportSessionStatusUnknown");
break;
case AVAssetExportSessionStatusWaiting:
NSLog(@"AVAssetExportSessionStatusWaiting");
break;
case AVAssetExportSessionStatusExporting:
NSLog(@"AVAssetExportSessionStatusExporting");
break;
case AVAssetExportSessionStatusCompleted:
data = [NSData dataWithContentsOfFile:videoFilePath];
NSLog(@"------视频大小%zd", data.length);
handler(data);
break;
case AVAssetExportSessionStatusFailed:
NSLog(@"AVAssetExportSessionStatusFailed");
break;
}
}];
}
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