VITimelineView can represent any time base things. Made with fully customizable & extendable.

Simple demo

Represent video frame's timeline using AVAsset

AVAsset *asset1 = ...;
AVAsset *asset2 = ...;

CGFloat widthPerSecond = 40;
CGSize imageSize = CGSizeMake(30, 45);

VITimelineView *timelineView =
[VITimelineView timelineViewWithAssets:@[asset1, asset2]
                             imageSize:imageSize
                        widthPerSecond:widthPerSecond];
[self.view addSubview:timelineView];

Customize

1. Customize TimelineView see VITimelineView.h
2. Customize single source's control view, see VIRangeView.h
3. Customize source's content view, you can subclass VIRangeContentView, then add to VIRangeView.

VIRangeView *rangeView = ...;
rangeView.contentView = <Any Content View>;

VIVideoRangeContentView is a subclass of VIRangeContentView.

Cocoapods

pod 'VITimelineView'

Manually

Simplely drag Source folder to you project

Under MIT