#import <Photos/Photos.h>
#import <AssetsLibrary/AssetsLibrary.h>
#import "GPUImage.h"
@property (nonatomic, strong) GPUImageMovie *movieFile;
@property (nonatomic, strong) GPUImageMovieWriter *movieWriter;
@property (nonatomic, strong) GPUImageNormalBlendFilter *filter;
//网络视频保存到本地
-(void)saveVideo{
dispatch_queue_t queue = dispatch_queue_create("hmj", DISPATCH_QUEUE_CONCURRENT);
dispatch_async(queue, ^{
NSLog(@"我是第一个任务, 当前线程:%@ ,是否主线程%d",[NSThread currentThread],[NSThread isMainThread]);
NSString *filePath;
NSDate *date = [NSDate date];
NSMutableURLRequest *theRequest = [NSMutableURLRequest requestWithURL:[NSURL URLWithString:self.videoModel.videoUrl]];
NSURLResponse *response;
NSError *error;
NSData* result = [NSURLConnection sendSynchronousRequest:theRequest returningResponse:&response error:&error];
NSLog(@"Response expects %lld bytes", [response expectedContentLength]);
NSLog(@"Response suggested file name: %@", [response suggestedFilename]);
if ([response suggestedFilename])
// self.savePath = [DEST_PATH stringByAppendingString:[response suggestedFilename]];
if (!result)
NSLog(@"Error downloading data: %@.", [error localizedDescription]);
else if (response.expectedContentLength < 0)
NSLog(@"Error with download. Carrier redirect?");
else
{
NSLog(@"Download succeeded.");
NSLog(@"Read %ld bytes", result.length);
NSLog(@"Elapsed time: %0.2f seconds.", -1*[date timeIntervalSinceNow]);
NSString *docDirPath = [NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES) objectAtIndex:0];
filePath = [NSString stringWithFormat:@"%@/video.mp4",docDirPath];
if ([result writeToFile:filePath atomically:YES]) {
NSLog(@"succeed");
[self saveVideo:filePath];
}else{
NSLog(@"faild");
}
}
});
}
//videoPath为视频下载到本地之后的本地路径
- (void)saveVideo:(NSString *)videoPath{
if (videoPath) {
//加水印
NSURL *videoURL = [NSURL fileURLWithPath:videoPath];
[self saveVedioPath:videoURL WithWaterImg:[UIImage imageNamed:@"wylb"] WithCoverImage:[UIImage imageNamed:@"wylb"] WithQustion:[NSString stringWithFormat:@"令令号:%@",[LLManagerTool getUserRequireId]] WithFileName:@"waterVideo"];
//不加水印直接保存
// if (UIVideoAtPathIsCompatibleWithSavedPhotosAlbum(videoPath)) {
// //保存相册核心代码
// UISaveVideoAtPathToSavedPhotosAlbum(videoPath, self, @selector(video:didFinishSavingWithError:contextInfo:), nil);
// }
}
}
//不加水印
-(void)video:(NSString *)videoPath didFinishSavingWithError:(NSError *)error contextInfo: (void *)contextInfo{
if (error) {
NSLog(@"保存视频失败%@", error.localizedDescription);
if (_isShowBlock) {
_isShowBlock(NO,@"保存失败",@"保存至相册");
}
}
else {
NSLog(@"保存视频成功");
if (_isShowBlock) {
_isShowBlock(NO,@"保存成功",@"保存至相册");
}
}
}
//加水印保存在本地
-(void)saveVedioPath:(NSURL*)vedioPath WithWaterImg:(UIImage*)img WithCoverImage:(UIImage*)coverImg WithQustion:(NSString*)question WithFileName:(NSString*)fileName
{
// 滤镜
// filter = [[GPUImageDissolveBlendFilter alloc] init];
// [(GPUImageDissolveBlendFilter *)filter setMix:0.0f];
//也可以使用透明滤镜
// filter = [[GPUImageAlphaBlendFilter alloc] init];
// //mix即为叠加后的透明度,这里就直接写1.0了
// [(GPUImageDissolveBlendFilter *)filter setMix:1.0f];
_filter = [[GPUImageNormalBlendFilter alloc] init];
NSURL *sampleURL = vedioPath;
AVAsset *asset = [AVAsset assetWithURL:sampleURL];
CGSize size = asset.naturalSize;
_movieFile = [[GPUImageMovie alloc] initWithAsset:asset];
_movieFile.playAtActualSpeed = NO;
// 文字水印
UILabel *label = [[UILabel alloc] init];
label.text = question;
label.font = [UIFont systemFontOfSize:15];
label.textColor = [UIColor whiteColor];
[label setTextAlignment:NSTextAlignmentRight];
[label sizeToFit];
// label.layer.masksToBounds = YES;
// label.layer.cornerRadius = 18.0f;
[label setBackgroundColor:[UIColor colorWithRed:0 green:0 blue:0 alpha:0.5]];
[label setFrame:CGRectMake(SCREEN_WIDTH-label.size.width-20, SCREEN_HEIGHT-50, label.size.width, 20)];
//图片水印
UIImage *coverImage1 = [img copy];
UIImageView *coverImageView1 = [[UIImageView alloc] initWithImage:coverImage1];
[coverImageView1 setFrame:CGRectMake(SCREEN_WIDTH - 131, SCREEN_HEIGHT-110, 111, 27)];
//第二个图片水印
UIImage *coverImage2 = [coverImg copy];
UIImageView *coverImageView2 = [[UIImageView alloc] initWithImage:coverImage2];
[coverImageView2 setFrame:CGRectMake(270, 100, 210, 50)];
UIView *subView = [[UIView alloc] initWithFrame:CGRectMake(0, 0, size.width, size.height)];
subView.backgroundColor = [UIColor clearColor];
[subView addSubview:coverImageView1];
// [subView addSubview:coverImageView2];
[subView addSubview:label];
[coverImageView1 mas_makeConstraints:^(MASConstraintMaker *make) {
make.left.top.offset(20);
make.height.offset(20);
make.width.offset(50);
}];
[label mas_makeConstraints:^(MASConstraintMaker *make) {
make.top.equalTo(coverImageView1.mas_bottom).offset(10);
make.left.offset(20);
}];
GPUImageUIElement *uielement = [[GPUImageUIElement alloc] initWithView:subView];
NSString *pathToMovie = [NSHomeDirectory() stringByAppendingPathComponent:[NSString stringWithFormat:@"Documents/%@.mp4",fileName]];
unlink([pathToMovie UTF8String]);
NSURL *movieURL = [NSURL fileURLWithPath:pathToMovie];
_movieWriter = [[GPUImageMovieWriter alloc] initWithMovieURL:movieURL size:CGSizeMake(SCREEN_WIDTH , SCREEN_HEIGHT)];
GPUImageFilter* progressFilter = [[GPUImageFilter alloc] init];
[progressFilter addTarget:_filter];
[_movieFile addTarget:progressFilter];
[uielement addTarget:_filter];
_movieWriter.shouldPassthroughAudio = YES;
// movieFile.playAtActualSpeed = true;
if ([[asset tracksWithMediaType:AVMediaTypeAudio] count] > 0){
_movieFile.audioEncodingTarget = _movieWriter;
} else {//no audio
_movieFile.audioEncodingTarget = nil;
}
[_movieFile enableSynchronizedEncodingUsingMovieWriter:_movieWriter];
// 显示到界面
[_filter addTarget:_movieWriter];
[_movieWriter startRecording];
[_movieFile startProcessing];
// dlink = [CADisplayLink displayLinkWithTarget:self selector:@selector(updateProgress)];
// [dlink setFrameInterval:15];
// [dlink addToRunLoop:[NSRunLoop currentRunLoop] forMode:NSDefaultRunLoopMode];
// [dlink setPaused:NO];
__weak typeof(self) weakSelf = self;
//渲染
[progressFilter setFrameProcessingCompletionBlock:^(GPUImageOutput *output, CMTime time) {
//水印可以移动
// CGRect frame = coverImageView1.frame;
// frame.origin.x += 1;
// frame.origin.y += 1;
// coverImageView1.frame = frame;
//第5秒之后隐藏coverImageView2
// if (time.value/time.timescale>=5.0) {
// [coverImageView2 removeFromSuperview];
// }
[uielement update];
}];
//保存相册
[_movieWriter setCompletionBlock:^{
dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(0.2 * NSEC_PER_SEC)), dispatch_get_main_queue(), ^{
// __block typeof(self) weakSelf = self;
// __strong typeof(self) strongSelf = weakSelf;
[weakSelf.filter removeTarget:weakSelf.movieWriter];
[weakSelf.movieWriter finishRecording];
__block PHObjectPlaceholder *placeholder;
if (UIVideoAtPathIsCompatibleWithSavedPhotosAlbum(pathToMovie))
{
NSError *error;
[[PHPhotoLibrary sharedPhotoLibrary] performChangesAndWait:^{
PHAssetChangeRequest* createAssetRequest = [PHAssetChangeRequest creationRequestForAssetFromVideoAtFileURL:movieURL];
placeholder = [createAssetRequest placeholderForCreatedAsset];
} error:&error];
if (error) {
[SVProgressHUD showErrorWithStatus:[NSString stringWithFormat:@"%@",error]];
}
else{
[SVProgressHUD showSuccessWithStatus:@"视频已经保存到相册"];
}
}
});
}];
}
