//=============================================================================================================================
//
// EasyAR Sense 4.2.0.8700-7bcbc8b1c
// Copyright (c) 2015-2021 VisionStar Information Technology (Shanghai) Co., Ltd. All Rights Reserved.
// EasyAR is the registered trademark or trademark of VisionStar Information Technology (Shanghai) Co., Ltd in China
// and other countries for the augmented reality technology developed by VisionStar Information Technology (Shanghai) Co., Ltd.
//
//=============================================================================================================================

#import "easyar/types.oc.h"

/// <summary>
/// Input frame recorder.
/// There is an input frame input port and an input frame output port. It can be used to record input frames into an EIF file. Refer to `Overview &lt;Overview.html&gt;`__ .
/// All members of this class is thread-safe.
/// </summary>
@interface easyar_InputFrameRecorder : easyar_RefBase

+ (instancetype)new NS_UNAVAILABLE;
- (instancetype)init NS_UNAVAILABLE;

/// <summary>
/// Input port.
/// </summary>
- (easyar_InputFrameSink *)input;
/// <summary>
/// Camera buffers occupied in this component.
/// </summary>
- (int)bufferRequirement;
/// <summary>
/// Output port.
/// </summary>
- (easyar_InputFrameSource *)output;
/// <summary>
/// Creates an instance.
/// </summary>
+ (easyar_InputFrameRecorder *)create;
/// <summary>
/// Starts frame recording. initialScreenRotation is the initial screen rotation when recording data, and it will be used in rendering for playback. The definition of screen rotation is the same as in `CameraParameters`_ .
/// </summary>
- (bool)start:(NSString *)filePath initialScreenRotation:(int)initialScreenRotation;
/// <summary>
/// Stops frame recording. It will only stop recording and will not affect connection.
/// </summary>
- (void)stop;

@end

/// <summary>
/// Input frame player.
/// There is an input frame output port. It can be used to get input frame from an EIF file. Refer to `Overview &lt;Overview.html&gt;`__ .
/// All members of this class is thread-safe.
/// </summary>
@interface easyar_InputFramePlayer : easyar_RefBase

+ (instancetype)new NS_UNAVAILABLE;
- (instancetype)init NS_UNAVAILABLE;

/// <summary>
/// Output port.
/// </summary>
- (easyar_InputFrameSource *)output;
/// <summary>
/// Creates an instance.
/// </summary>
+ (easyar_InputFramePlayer *)create;
/// <summary>
/// Starts frame play.
/// </summary>
- (bool)start:(NSString *)filePath;
/// <summary>
/// Stops frame play.
/// </summary>
- (void)stop;
/// <summary>
/// Pauses frame play.
/// </summary>
- (void)pause;
/// <summary>
/// Resumes frame play.
/// </summary>
- (bool)resume;
/// <summary>
/// Total expected playback time span. The unit is second.
/// </summary>
- (double)totalTime;
/// <summary>
/// Current playback time point. The unit is second. The initial value is 0.
/// </summary>
- (double)currentTime;
/// <summary>
/// The initial screen rotation when recording data.
/// </summary>
- (int)initalScreenRotation;
/// <summary>
/// Whether the playback is completed.
/// </summary>
- (bool)isCompleted;

@end
