Wes xx mediapipe integration

Assets/MediaPipeUnity/Common/Scripts/ImageSource/VideoSource.cs

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+// Copyright (c) 2021 homuler
+//
+// Use of this source code is governed by an MIT-style
+// license that can be found in the LICENSE file or at
+// https://opensource.org/licenses/MIT.
+
+using System;
+using System.Collections;
+using System.Linq;
+using UnityEngine;
+using UnityEngine.Video;
+
+namespace Mediapipe.Unity
+{
+  public class VideoSource : ImageSource
+  {
+    [SerializeField] private VideoClip[] _availableSources;
+
+    private VideoClip _video;
+    private VideoClip video
+    {
+      get
+      {
+        if (_video == null && _availableSources != null && _availableSources.Length > 0)
+        {
+          video = _availableSources[0];
+        }
+        return _video;
+      }
+      set
+      {
+        _video = value;
+        resolution = new ResolutionStruct((int)_video.width, (int)_video.height, _video.frameRate);
+      }
+    }
+
+    private VideoPlayer _videoPlayer;
+
+    public override string sourceName => video != null ? video.name : null;
+
+    public override string[] sourceCandidateNames => _availableSources?.Select(source => source.name).ToArray();
+
+    public override ResolutionStruct[] availableResolutions => video == null ? null : new ResolutionStruct[] { new ResolutionStruct((int)video.width, (int)video.height, video.frameRate) };
+
+    public override bool isPlaying => _videoPlayer != null && _videoPlayer.isPlaying;
+    public override bool isPrepared => _videoPlayer != null && _videoPlayer.isPrepared;
+
+    public override void SelectSource(int sourceId)
+    {
+      if (sourceId < 0 || sourceId >= _availableSources.Length)
+      {
+        throw new ArgumentException($"Invalid source ID: {sourceId}");
+      }
+
+      video = _availableSources[sourceId];
+      if (_videoPlayer != null)
+      {
+        _videoPlayer.clip = video;
+      }
+    }
+
+    public override IEnumerator Play()
+    {
+      if (video == null)
+      {
+        throw new InvalidOperationException("Video is not selected");
+      }
+      _videoPlayer = gameObject.AddComponent<VideoPlayer>();
+      _videoPlayer.renderMode = VideoRenderMode.APIOnly;
+      _videoPlayer.isLooping = true;
+      _videoPlayer.clip = video;
+      _videoPlayer.Prepare();
+
+      yield return new WaitUntil(() => _videoPlayer.isPrepared);
+      _videoPlayer.Play();
+    }
+
+    public override IEnumerator Resume()
+    {
+      if (!isPrepared)
+      {
+        throw new InvalidOperationException("VideoPlayer is not prepared");
+      }
+      if (!isPlaying)
+      {
+        _videoPlayer.Play();
+      }
+      yield return null;
+    }
+
+    public override void Pause()
+    {
+      if (!isPlaying)
+      {
+        return;
+      }
+      _videoPlayer.Pause();
+    }
+
+    public override void Stop()
+    {
+      if (_videoPlayer == null)
+      {
+        return;
+      }
+      _videoPlayer.Stop();
+      Destroy(gameObject.GetComponent<VideoPlayer>());
+      _videoPlayer = null;
+    }
+
+    public override Texture GetCurrentTexture()
+    {
+      return _videoPlayer != null ? _videoPlayer.texture : null;
+    }
+  }
+}