ygc

YGCTrimVideoView

A wechat like video editor slider

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2yrs ago

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Objective-C Platform: iOS XCode 9+ iOS 11 Licence MIT

YGCTrimVideoView

A wechat like video trim time view.

Features

  • left and right time control
  • custom your left side bar and right
  • support setup maximum duration and minimum duration
  • export video file from your time crop setting

Looks like

Usage

Initialize

    NSString *path = [[NSBundle mainBundle] pathForResource:@"videoName"
                                                     ofType:@"MP4"];
    YGCTrimVideoView *ygcTrimView = [[YGCTrimVideoView alloc] initWithFrame:CGRectMake(0, 75, self.view.bounds.size.width, 80)
                                                       assetUR:[NSURL fileURLWithPath:path]];
    [self.view addSubview:self.ygcTrimView];

or pass the asset to YGCTrimVideoView directly.It has different initialize method.

Make custom UI

- (id)initWithFrame:(CGRect)frame
   leftControlImage:(UIImage *)leftImage
  rightControlImage:(UIImage *)rightImage
   centerRangeImage:(UIImage *)centerImage
       sideBarWidth:(CGFloat)sidebarWidth;
  • leftImage you could setup your left sidebar with a image
  • rightImage same as leftImage
  • centerRangeImage the border image around the slider, maybe required set the image's resize inset
  • sideBarWidth the control bar width

Setup maximum duration and minimum duration

just setup the property maxSeconds and minSeconds.

// min duration is 2 and max duration is 10 
self.ygcTrimView.minSeconds = 2;
self.ygcTrimView.maxSeconds = 10;

Preview the cropped video

in the delegate funtion

- (void)dragActionEnded:(AVMutableComposition *)asset

every time your finished dragging the control bar YGCTrimView will generate a AVMutableCompsition.You could create a AVPlayer and play the composition directly. like

- (void)dragActionEnded:(AVMutableComposition *)asset {
  self.playerItem = [[AVPlayerItem alloc] initWithAsset:asset];
  [self.player replaceCurrentItemWithPlayerItem:self.playerItem];
  [self.player play];

}

Export Video

YGCTrimVideoView support two ways to export a video file.
First Method

- (void)dragActionEnded:(AVMutableComposition *)asset;

get a AVMutableComposition from the delegate function. An AVMutableComposition is an AVAsset.So you could use AVExportSession to export a video file from AVMutableComposition.

Second Method

- (void)exportVideo:(YGCExportFinished)finishedBlock;

you could use the function directly to export a video file .The finishedBlock will give you the video url that from the sandbox.

Installing

Cocoapods

In your podfile.
pod 'YGCTrimVideoView', '~> 0.2.6'
then pod install if you get an error " Unable to satisfy the following requirements", please use
pod install --repo-update

Requirements

  • iOS 10 or higher

Authors

Communication

  • If you found a bug, open an issue.
  • If you have a feature request, open an issue.
  • If you want to contribute, submit a pull request.

License

This project is licensed under the MIT License.

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