video plugins

sdk-intergration/LocalPackages/LeviathanVideo/Runtime/ILeviathanDecoder.cs

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+/*----------------------------------------------------------------
+// Copyright (C) 2025 Beijing All rights reserved.
+//
+// Author: huachangmiao
+// Create Date: 2025/04/11
+// Module Describe:
+//----------------------------------------------------------------*/
+
+using System;
+using LeviathanVideo.Abstractions;
+using Unity.Collections;
+
+/// <summary>
+/// Leviathan视频解码器接口
+/// </summary>
+internal unsafe interface ILeviathanDecoder : IDisposable
+{
+    // 事件
+    event Action OnFirstFrameDecoded;
+    // 属性
+    long FrameCount { get; }
+    double FrameInterval { get; }
+    string CodecName { get; }
+    long Duration { get; }
+    long DecodedFrameIndex { get; }
+    AVFrame* VideoFrame { get; }
+    bool IsLooping { get; set; }
+
+    // 方法
+    int Init(NativeArray<byte> fileData, int beginFrameIndex = 1, bool syncDecodeFirstFrame = true, bool fastDecode = true);
+    int InternalPlay(int beginFrameIndex = 1, bool syncDecodeFirstFrame = true);
+    int DecodeNextFrame();
+    void InternalStop();
+    void Seek(double ms);
+    void SeekToFrame(long frame);
+    void Pause(bool pause);
+    ref long GetDecodedFrameIndexRef();
+    
+    // 微信平台特有方法（其他平台提供空实现）
+    int GetDecoderStatus();
+    
+    // 优化的分步显示方法
+    /// <summary>
+    /// 将视频帧数据复制到纹理（需要在信号保护下执行）
+    /// </summary>
+    void CopyFrameDataToTextures(UnityEngine.Texture2D[] textures);
+    
+    /// <summary>
+    /// 将纹理数据应用到GPU（可以和下一帧解码并行）
+    /// </summary>
+    void ApplyTextures(UnityEngine.Texture2D[] textures);
+}