zed-ar-headfree-passthrough/Assets/ZED/SDK/Helpers/Scripts/Utilities/ZEDSVOManager.cs

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2019-11-26 14:03:54 +00:00
//======= Copyright (c) Stereolabs Corporation, All rights reserved. ===============
// ##DEPRECATED
using UnityEngine;
#if UNITY_EDITOR
using UnityEditor;
#endif
/// <summary>
/// [Obsolete] Lets you play back a recorded SVO file, which works in place of the input from a real ZED,
/// or record an SVO file from a live ZED.
/// <para>To use, attach to the same GameObject as ZED Manager (ZED_Rig_Mono or ZED_Rig_Stereo).</para
/// </summary><remarks>
/// [Obsolete] When playing an SVO, the SDK behaves the same as if a real ZED were attached, so all regular features
/// are available. The one exception is pass-through AR, as the ZED's timestamps and transform will both be
/// significantly out of sync with the VR headset.
/// </remarks>
[System.Obsolete("SVO Management has been moved to ZEDManager directly. Not used anymore", true)]
public class ZEDSVOManager : MonoBehaviour
{
/// <summary>
/// Set to true to record an SVO. Recording begins when the ZED initialized and ends when the
/// application finishes.
/// </summary>
[SerializeField]
[Tooltip("Set to true to record an SVO. Recording begins when the ZED initialized and ends when " +
"the application finishes.")]
public bool record = false;
/// <summary>
/// Set to true to read an SVO, using it as input instead of a real ZED. An SVO cannot be read and recorded
/// at the same time.
/// </summary>
[SerializeField]
[Tooltip("Set to true to read an SVO, using it as input instead of a real ZED. " +
"An SVO cannot be read and recorded at the same time.")]
public bool read = false;
/// <summary>
/// Path to the SVO to be read, or where a new SVO will be recorded.
/// <para>Note: If building the application, put the file in the root directory or specify a non-relative path
/// to preserve this reference.</para>
/// </summary>
[SerializeField]
[HideInInspector]
public string videoFile = "Assets/ZEDRecording.svo";
/// <summary>
/// If reading an SVO, set this to true if the SVO should repeat once it finishes.
/// <para>Some features won't handle this gracefully, such as tracking.</para>
/// </summary>
[SerializeField]
[Tooltip("If reading an SVO, set this to true if the SVO should repeat once it finishes. " +
"Some features won't handle this gracefully, such as tracking.")]
public bool loop = false;
/// <summary>
/// If reading an SVO, set true to use frame timestamps to set playback speed. Dropped
/// frames will cause a 'pause' in playback instead of a 'skip.'
/// </summary>
[Tooltip("If reading an SVO, set true to use frame timestamps to set playback speed. " +
"Dropped frames will cause a 'pause' in playback instead of a 'skip.'")]
[SerializeField]
[HideInInspector]
public bool realtimePlayback = false;
/// <summary>
/// Current frame being read from the SVO. Doesn't apply when recording.
/// </summary>
[HideInInspector]
[SerializeField]
private int currentFrame = 0;
/// <summary>
/// Current frame being read from the SVO. Doesn't apply when recording.
/// </summary>
public int CurrentFrame
{
get
{
return currentFrame;
}
set
{
currentFrame = value;
}
}
/// <summary>
/// Total number of frames in a loaded SVO.
/// </summary>
[HideInInspector]
[SerializeField]
private int numberFrameMax = 0;
/// <summary>
/// Total number of frames in a loaded SVO.
/// </summary>
public int NumberFrameMax
{
set
{
numberFrameMax = value;
}
get
{
return numberFrameMax;
}
}
/// <summary>
/// Set true to pause the SVO reading or recording. Will not pause the Unity scene itself.
/// </summary>
[HideInInspector]
[SerializeField]
public bool pause = false;
/// <summary>
/// Compression mode used when recording an SVO.
/// Uncompressed SVOs are extremely large (multiple gigabytes per minute).
/// </summary>
[Tooltip("Compression mode used when recording an SVO. " +
"Uncompressed SVOs are extremely large (multiple gigabytes per minute).")]
[SerializeField]
public sl.SVO_COMPRESSION_MODE compressionMode = sl.SVO_COMPRESSION_MODE.AVCHD_BASED;
/// <summary>
/// Flag set to true when we need to force ZEDManager to grab a new frame, even though
/// SVO playback is paused. Used when the SVO is paused but the playback slider has moved.
/// </summary>
public bool NeedNewFrameGrab { get; set; }
/// <summary>
/// ZED Camera
/// </summary>
public sl.ZEDCamera zedCam;
/// <summary>
/// Changes the value of record if recording fails, and gets the length of a read SVO file.
/// </summary>
/// <param name="zedCamera">Reference to the Scene's ZEDCamera instance.</param>
public void InitSVO(sl.ZEDCamera zedCamera)
{
zedCam = zedCamera;
if (record)
{
sl.ERROR_CODE svoerror = zedCamera.EnableRecording(videoFile, compressionMode);
if (svoerror != sl.ERROR_CODE.SUCCESS)
{
record = false;
}
else if(svoerror == sl.ERROR_CODE.SVO_RECORDING_ERROR)
{
Debug.LogError("SVO recording failed. Check that there is enough space on the drive and that the "
+ "path provided is valid.");
}
}
if (read)
{
NumberFrameMax = zedCamera.GetSVONumberOfFrames();
}
}
}
#if UNITY_EDITOR
/// <summary>
/// Custom editor for ZEDSVOManager to change how it's drawn in the Inspector.
/// Adds a playback slider and pause button, and makes Record and Read mutually-exclusive.
/// </summary>
[System.Obsolete("SVO Management has been moved to ZEDManager directly. Not used anymore", true)]
[CustomEditor(typeof(ZEDSVOManager)), CanEditMultipleObjects]
public class SVOManagerInspector : Editor
{
//Caches for record and read values, to make them mutually exclusive.
private bool current_recordValue = false;
private bool current_readValue = false;
//Serializable versions of ZEDSVOManager's values so changes can be saved/serialized.
private SerializedProperty pause;
private SerializedProperty record;
private SerializedProperty read;
private SerializedProperty loop;
private SerializedProperty videoFile;
private SerializedProperty currentFrame;
private SerializedProperty numberFrameMax;
Rect drop_area; //Bounds for dragging and dropping SVO files.
private GUILayoutOption[] optionsButtonBrowse = { GUILayout.MaxWidth(30) }; //Adds padding for the SVO browse button.
string pauseText = "Pause";
string pauseTooltip = " SVO playback or recording."; //Appended to the pause Text to make tooltip text.
string[] filters = { "Svo files", "svo" }; //Filters used for browsing for an SVO.
private ZEDSVOManager obj;
/// <summary>
/// Called by Unity each time the editor is viewed.
/// </summary>
public override void OnInspectorGUI()
{
serializedObject.Update();
obj = (ZEDSVOManager)target;
EditorGUI.BeginChangeCheck();
DrawDefaultInspector();
using (new EditorGUI.DisabledScope(Application.isPlaying))
{
string tooltip = "If reading an SVO, set true to use frame timestamps to set playback speed." +
"Dropped frames will cause a 'pause' in playback instead of a 'skip.'";
obj.realtimePlayback = EditorGUILayout.Toggle(new GUIContent("Realtime Playback", tooltip), obj.realtimePlayback);
}
EditorGUILayout.BeginHorizontal();
GUIContent pathlabel = new GUIContent("SVO Path", "Path to the SVO to be read, or where a new SVO will be recorded. " +
"Note: If building the application, put the file in the root directory or specify a non-relative path " +
"to preserve this reference.");
videoFile.stringValue = EditorGUILayout.TextField(pathlabel, videoFile.stringValue);
GUIContent loadlabel = new GUIContent("...", "Browse for existing SVO file.");
if (GUILayout.Button(loadlabel, optionsButtonBrowse))
{
obj.videoFile = EditorUtility.OpenFilePanelWithFilters("Load SVO", "", filters);
serializedObject.ApplyModifiedProperties();
}
EditorGUILayout.EndHorizontal();
if (drop_area.width != EditorGUIUtility.currentViewWidth || drop_area.height != Screen.height)
{
drop_area = new Rect(0, 0, EditorGUIUtility.currentViewWidth, Screen.height);
}
if (EditorGUI.EndChangeCheck())
{
CheckChange();
}
EditorGUI.BeginChangeCheck();
GUI.enabled = (obj.NumberFrameMax > 0);
GUIContent sliderlabel = new GUIContent("Frame ", "SVO playback position");
currentFrame.intValue = EditorGUILayout.IntSlider(sliderlabel, currentFrame.intValue, 0, numberFrameMax.intValue);
if (EditorGUI.EndChangeCheck())
{
if (obj.zedCam != null)
{
//If the slider of frame from the SVO has moved, manually grab the frame and update the textures.
obj.zedCam.SetSVOPosition(currentFrame.intValue);
if (pause.boolValue)
{
obj.NeedNewFrameGrab = true;
}
}
}
GUI.enabled = false;
if (obj.zedCam != null)
GUI.enabled = obj.zedCam.IsCameraReady;
pauseText = pause.boolValue ? "Resume" : "Pause";
GUIContent pauselabel = new GUIContent(pauseText, pauseText + pauseTooltip);
if (GUILayout.Button(pauselabel))
{
pause.boolValue = !pause.boolValue;
}
GUI.enabled = true;
DropAreaGUI();
serializedObject.ApplyModifiedProperties(); //Applies changes to serialized properties to the values they represent.
}
/// <summary>
/// Binds the serialized properties to their respective values in ZEDSVOManager.
/// </summary>
private void OnEnable()
{
pause = serializedObject.FindProperty("pause");
record = serializedObject.FindProperty("record");
read = serializedObject.FindProperty("read");
loop = serializedObject.FindProperty("loop");
videoFile = serializedObject.FindProperty("videoFile");
currentFrame = serializedObject.FindProperty("currentFrame");
numberFrameMax = serializedObject.FindProperty("numberFrameMax");
}
/// <summary>
/// Allows looping when reading an SVO file (only) and prevents
/// reading and recording from both being true at the same time.
/// </summary>
private void CheckChange()
{
if (loop.boolValue && record.boolValue)
{
loop.boolValue = false;
}
if (read.boolValue && (current_readValue != read.boolValue))
{
record.boolValue = false;
current_recordValue = false;
current_readValue = read.boolValue;
}
if (!read.boolValue && (current_readValue != read.boolValue))
{
loop.boolValue = false;
}
if (record.boolValue && (current_recordValue != record.boolValue))
{
read.boolValue = false;
current_readValue = false;
loop.boolValue = false;
current_recordValue = record.boolValue;
}
}
/// <summary>
/// Helper to get the name of a drag and dropped file.
/// </summary>
public void DropAreaGUI()
{
Event evt = Event.current;
ZEDSVOManager obj = (ZEDSVOManager)target;
switch (evt.type)
{
case EventType.DragUpdated:
case EventType.DragPerform:
if (!drop_area.Contains(evt.mousePosition))
return;
DragAndDrop.visualMode = DragAndDropVisualMode.Copy;
if (evt.type == EventType.DragPerform)
{
DragAndDrop.AcceptDrag();
foreach (string dragged_object in DragAndDrop.paths)
{
videoFile.stringValue = dragged_object;
}
}
break;
}
}
}
#endif