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AVFoundation AVPlayer 合并多个媒体设置变速播放
AVFoundation AVPlayer 合并多个媒体设置变速播放,AVPlayer变速播放,AVFoundation合并多个媒体,AVFoundation溶解,AVFoundation转场,
AVFoundation – AVAssetExportSession 裁剪/转码
AVAssetExportSession 裁剪/转码 - /* 参数: asset :要导出的会话 presetName :字符串常量 */ - (instancetype)initWithAsset:(AVAsset *)asset presetName:(NSString *)presetName; + (inst...
AVFoundation – AVCompositionTrackSegment 可变轨道片段
AVFoundation – AVCompositionTrackSegment 可变轨道片段 - AVCompositionTrackSegment 继承自AVAssetTrackSegment,AVAssetTrack的一个片段,由URL,轨道标识符和从源轨道到合成轨道的时间映...
AVFoundation AVPlayer 合并多个媒体设置倒序播放
AVFoundation AVPlayer 合并多个媒体设置倒序播放,AVFoundation合并多个媒体,AVFoundation倒序播放,AVPlayer倒序播放,AVPlayer,AVFoundation,
AVFoundation – AVPlayer 播放视频
AVFoundation – AVPlayer 播放视频 - AVPlayer 控制播放器的播放,暂停,播放速度;注意更改播放速度要在视频开始播放之后才会生效; AVPlayerItem 管理资源对象,提供播放数据源; AVPlayerLay...
AVFoundation – AVVideoCompositionInstruction AVMutableVideoCompositionInstruction 操作指令
AVFoundation – AVVideoCompositionInstruction AVMutableVideoCompositionInstruction 操作指令 - AVVideoCompositionInstruction 继承自 NSObject ,封装了一组操作指令,由 AVVideoCompositi...
AVFoundation – 转场 – 推入/推出效果
AVFoundation转场推入推出过渡效果,AVFoundation转场,AVFoundation推入推出,AVFoundation过渡,AVFoundation合并,AVFoundation教程,
AVFoundation – AVPlayerItem 管理资源对象
AVPlayerItem 管理资源对象 - AVPlayerItem 作为资源管理对象,它控制着视频从创建到销毁的诸多状态。 //播放状态 status typedef NS_ENUM(NSInteger,AVPlayerItemStatus) { AVPlayerItemStatus...
AVMutableVideoCompositionLayerInstruction 视频轨道操作指令
AVMutableVideoCompositionLayerInstruction视频轨道操作指令,AVMutableVideoCompositionLayerInstruction, AVMutableVideoCompositionInstruction,AVPlayerLayer, AVFoundation转场,
AVFoundation – 转场 – 擦除效果
AVFoundation转场擦除过渡效果,AVFoundation转场,AVFoundation擦除,AVFoundation过渡,AVFoundation合并,AVFoundation教程,