本文介绍了如何使用AVFoundation在iOS中压缩视频的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
iPhone中有任何压缩技术,使用AVfoundation压缩视频。
Is there are any compression technique in iPhone to compress video using AVfoundation. or any open source.
推荐答案
p>
+ (void)convertVideoToLowQualityWithInputURL:(NSURL*)inputURL outputURL:(NSURL*)outputURL successHandler:(void (^)())successHandler failureHandler:(void (^)(NSError *))failureHandler
{
if([[NSFileManager defaultManager] fileExistsAtURL:outputURL]) [[NSFileManager defaultManager] removeItemAtURL:outputURL error:nil];
AVURLAsset *asset = [AVURLAsset URLAssetWithURL:inputURL options:nil];
AVAssetExportSession *exportSession = [[AVAssetExportSession alloc] initWithAsset:asset presetName:AVAssetExportPresetLowQuality];
exportSession.outputURL = outputURL;
exportSession.outputFileType = AVFileTypeQuickTimeMovie;
[exportSession exportAsynchronouslyWithCompletionHandler: ^(void) {
if (exportSession.status == AVAssetExportSessionStatusCompleted)
{
successHandler();
}
else
{
NSError *error = [NSError errorWithDomain:domain code:code userInfo:userInfo];
failureHandler(error);
}
}];
}
这篇关于如何使用AVFoundation在iOS中压缩视频的文章就介绍到这了,希望我们推荐的答案对大家有所帮助,也希望大家多多支持!