small change

SpineViewer/Spine/SpineExporter/AvifExporter.cs

@@ -0,0 +1,90 @@
+using FFMpegCore;
+using SpineViewer.Utils;
+using System;
+using System.Collections.Generic;
+using System.ComponentModel;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace SpineViewer.Spine.SpineExporter
+{
+    /// <summary>
+    /// MP4 导出参数
+    /// </summary>
+    public class AvifExporter : FFmpegVideoExporter
+    {
+        public AvifExporter()
+        {
+            FPS = 24;
+        }
+
+        public override string Format => "avif";
+
+        public override string Suffix => ".avif";
+
+        /// <summary>
+        /// 编码器
+        /// </summary>
+        public string Codec { get; set; } = "av1_nvenc";
+
+        /// <summary>
+        /// CRF
+        /// </summary>
+        public int CRF { get => crf; set => crf = Math.Clamp(value, 0, 63); }
+        private int crf = 23;
+
+        /// <summary>
+        /// 像素格式
+        /// </summary>
+        public string PixelFormat { get; set; } = "yuv420p";
+
+        /// <summary>
+        /// 循环次数, 0 无限循环, 取值范围 [0, 65535]
+        /// </summary>
+        public int Loop { get => loop; set => loop = Math.Clamp(value, 0, 65535); }
+        private int loop = 0;
+
+        public override string FileNameNoteSuffix => $"{Codec}_{CRF}_{PixelFormat}";
+
+        public override void SetOutputOptions(FFMpegArgumentOptions options)
+        {
+            base.SetOutputOptions(options);
+            options.WithVideoCodec(Codec).ForcePixelFormat(PixelFormat).WithConstantRateFactor(CRF).WithCustomArgument($"-loop {Loop}");
+        }
+    }
+
+    public class AvifExporterProperty(AvifExporter exporter) : FFmpegVideoExporterProperty(exporter)
+    {
+        [Browsable(false)]
+        public override AvifExporter Exporter => (AvifExporter)base.Exporter;
+
+        /// <summary>
+        /// 编码器
+        /// </summary>
+        [StringEnumConverter.StandardValues("av1_nvenc", "av1_amf", "libaom-av1", Customizable = true)]
+        [TypeConverter(typeof(StringEnumConverter))]
+        [Category("[3] 格式参数"), DisplayName("编码器"), Description("-c:v, 要使用的编码器\n建议使用硬件加速, libaom-av1 速度非常非常非常慢")]
+        public string Codec { get => Exporter.Codec; set => Exporter.Codec = value; }
+
+        /// <summary>
+        /// CRF
+        /// </summary>
+        [Category("[3] 格式参数"), DisplayName("CRF"), Description("-crf, 取值范围 0-63, 建议范围 18-28, 默认取值 23, 数值越小则输出质量越高")]
+        public int CRF { get => Exporter.CRF; set => Exporter.CRF = value; }
+
+        /// <summary>
+        /// 像素格式
+        /// </summary>
+        [StringEnumConverter.StandardValues("yuv420p", "yuv422p", "yuv444p", Customizable = true)]
+        [TypeConverter(typeof(StringEnumConverter))]
+        [Category("[3] 格式参数"), DisplayName("像素格式"), Description("-pix_fmt, 要使用的像素格式")]
+        public string PixelFormat { get => Exporter.PixelFormat; set => Exporter.PixelFormat = value; }
+
+        /// <summary>
+        /// 循环次数
+        /// </summary>
+        [Category("[3] 格式参数"), DisplayName("循环次数"), Description("-loop, 循环次数, 0 无限循环, 取值范围 [0, 65535]")]
+        public int Loop { get => Exporter.Loop; set => Exporter.Loop = value; }
+    }
+}

SpineViewer/Spine/SpineExporter/CustomExporter.cs

@@ -0,0 +1,60 @@
+using System;
+using System.Collections.Generic;
+using System.ComponentModel;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace SpineViewer.Spine.SpineExporter
+{
+    /// <summary>
+    /// FFmpeg 自定义视频导出参数
+    /// </summary>
+    public class CustomExporter : FFmpegVideoExporter
+    {
+        public CustomExporter() 
+        {
+            CustomArgument = "-c:v libx264 -crf 23 -pix_fmt yuv420p"; // 提供一个示例参数
+        }
+
+        public override string Format => CustomFormat;
+
+        public override string Suffix => CustomSuffix;
+
+        public override string FileNameNoteSuffix => string.Empty;
+
+        /// <summary>
+        /// 文件格式
+        /// </summary>
+        public string CustomFormat { get; set; } = "mp4";
+
+        /// <summary>
+        /// 文件名后缀
+        /// </summary>
+        public string CustomSuffix { get; set; } = ".mp4";
+    }
+
+    public class CustomExporterProperty(CustomExporter exporter) : FFmpegVideoExporterProperty(exporter)
+    {
+        [Browsable(false)]
+        public override CustomExporter Exporter => (CustomExporter)base.Exporter;
+
+        [Browsable(false)]
+        public override string Format => Exporter.Format;
+
+        [Browsable(false)]
+        public override string Suffix => Exporter.Suffix;
+
+        /// <summary>
+        /// 文件格式
+        /// </summary>
+        [Category("[2] FFmpeg 基本参数"), DisplayName("文件格式"), Description("-f, 文件格式")]
+        public string CustomFormat { get => Exporter.CustomFormat; set => Exporter.CustomFormat = value; }
+
+        /// <summary>
+        /// 文件名后缀
+        /// </summary>
+        [Category("[2] FFmpeg 基本参数"), DisplayName("文件名后缀"), Description("文件名后缀")]
+        public string CustomSuffix { get => Exporter.CustomSuffix; set => Exporter.CustomSuffix = value; }
+    }
+}

SpineViewer/Spine/SpineExporter/ExportHelper.cs

@@ -0,0 +1,61 @@
+using FFMpegCore.Pipes;
+using SpineViewer.Extensions;
+using System;
+using System.Collections.Generic;
+using System.Drawing.Imaging;
+using System.Linq;
+using System.Text;
+
+namespace SpineViewer.Spine.SpineExporter
+{
+    /// <summary>
+    /// SFML.Graphics.Image 帧对象包装类, 将接管给定的 image 对象生命周期
+    /// </summary>
+    public class SFMLImageVideoFrame(SFML.Graphics.Image image) : IVideoFrame, IDisposable
+    {
+        public int Width => (int)image.Size.X;
+        public int Height => (int)image.Size.Y;
+        public string Format => "rgba";
+        public void Serialize(Stream pipe) => pipe.Write(image.Pixels);
+        public async Task SerializeAsync(Stream pipe, CancellationToken token) => await pipe.WriteAsync(image.Pixels, token);
+        public void Dispose() => image.Dispose();
+
+        /// <summary>
+        /// Save the contents of the image to a file
+        /// </summary>
+        /// <param name="filename">Path of the file to save (overwritten if already exist)</param>
+        /// <returns>True if saving was successful</returns>
+        public bool SaveToFile(string filename) => image.SaveToFile(filename);
+
+        /// <summary>
+        /// Save the image to a buffer in memory The format of the image must be specified.
+        /// The supported image formats are bmp, png, tga and jpg. This function fails if
+        /// the image is empty, or if the format was invalid.
+        /// </summary>
+        /// <param name="output">Byte array filled with encoded data</param>
+        /// <param name="format">Encoding format to use</param>
+        /// <returns>True if saving was successful</returns>
+        public bool SaveToMemory(out byte[] output, string format) => image.SaveToMemory(out output, format);
+
+        /// <summary>
+        /// 获取 Winforms Bitmap 对象
+        /// </summary>
+        public Bitmap CopyToBitmap() => image.CopyToBitmap();
+    }
+
+    /// <summary>
+    /// 为帧导出创建的辅助类
+    /// </summary>
+    public static class ExportHelper
+    {
+        /// <summary>
+        /// 根据 Bitmap 文件格式获取合适的文件后缀
+        /// </summary>
+        public static string GetSuffix(this ImageFormat imageFormat)
+        {
+            if (imageFormat == ImageFormat.Icon) return ".ico";
+            else if (imageFormat == ImageFormat.Exif) return ".jpeg";
+            else return $".{imageFormat.ToString().ToLower()}";
+        }
+    }
+}

SpineViewer/Spine/SpineExporter/Exporter.cs

@@ -0,0 +1,242 @@
+using NLog;
+using SpineViewer.Extensions;
+using SpineViewer.Utils;
+using System;
+using System.Collections.Generic;
+using System.ComponentModel;
+using System.Drawing.Design;
+using System.Linq;
+using System.Reflection;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace SpineViewer.Spine.SpineExporter
+{
+    /// <summary>
+    /// 导出器基类
+    /// </summary>
+    public abstract class Exporter : IDisposable
+    {
+        /// <summary>
+        /// 日志器
+        /// </summary>
+        protected readonly Logger logger = LogManager.GetCurrentClassLogger();
+
+        /// <summary>
+        /// 可用于文件名的时间戳字符串
+        /// </summary>
+        protected readonly string timestamp = DateTime.Now.ToString("yyMMddHHmmss");
+
+        ~Exporter() { Dispose(false); }
+        public void Dispose() { Dispose(true); GC.SuppressFinalize(this); }
+        protected virtual void Dispose(bool disposing) { View.Dispose(); }
+
+        /// <summary>
+        /// 输出文件夹
+        /// </summary>
+        public string? OutputDir { get; set; } = null;
+
+        /// <summary>
+        /// 导出单个
+        /// </summary>
+        public bool IsExportSingle { get; set; } = false;
+
+        /// <summary>
+        /// 画面分辨率
+        /// </summary>
+        public Size Resolution { get; set; } = new(100, 100);
+
+        /// <summary>
+        /// 渲染视窗, 接管对象生命周期
+        /// </summary>
+        public SFML.Graphics.View View { get => view; set { view.Dispose(); view = value; } }
+        private SFML.Graphics.View view = new();
+
+        /// <summary>
+        /// 是否仅渲染选中
+        /// </summary>
+        public bool RenderSelectedOnly { get; set; } = false;
+
+        /// <summary>
+        /// 背景颜色
+        /// </summary>
+        public SFML.Graphics.Color BackgroundColor
+        {
+            get => backgroundColor;
+            set
+            {
+                backgroundColor = value;
+                var bcPma = value;
+                var a = bcPma.A / 255f;
+                bcPma.R = (byte)(bcPma.R * a);
+                bcPma.G = (byte)(bcPma.G * a);
+                bcPma.B = (byte)(bcPma.B * a);
+                BackgroundColorPma = bcPma;
+            }
+        }
+        private SFML.Graphics.Color backgroundColor = SFML.Graphics.Color.Transparent;
+
+        /// <summary>
+        /// 预乘后的背景颜色
+        /// </summary>
+        public SFML.Graphics.Color BackgroundColorPma { get; private set; } = SFML.Graphics.Color.Transparent;
+
+        /// <summary>
+        /// 获取供渲染的 SFML.Graphics.RenderTexture
+        /// </summary>
+        private SFML.Graphics.RenderTexture GetRenderTexture()
+        {
+            var tex = new SFML.Graphics.RenderTexture((uint)Resolution.Width, (uint)Resolution.Height);
+            tex.Clear(SFML.Graphics.Color.Transparent);
+            tex.SetView(View);
+            return tex;
+        }
+
+        /// <summary>
+        /// 获取单个模型的单帧画面
+        /// </summary>
+        protected SFMLImageVideoFrame GetFrame(SpineObject spine) => GetFrame([spine]);
+
+        /// <summary>
+        /// 获取模型列表的单帧画面
+        /// </summary>
+        protected SFMLImageVideoFrame GetFrame(SpineObject[] spinesToRender)
+        {
+            // RenderTexture 必须临时创建, 随用随取, 防止出现跨线程的情况
+            using var texPma = GetRenderTexture();
+
+            // 先将预乘结果准确绘制出来, 注意背景色也应当是预乘的
+            texPma.Clear(BackgroundColorPma);
+            foreach (var spine in spinesToRender) texPma.Draw(spine);
+            texPma.Display();
+
+            // 背景色透明度不为 1 时需要处理反预乘, 否则直接就是结果
+            if (BackgroundColor.A < 255)
+            {
+                // 从预乘结果构造渲染对象, 并正确设置变换
+                using var view = texPma.GetView();
+                using var img = texPma.Texture.CopyToImage();
+                using var texSprite = new SFML.Graphics.Texture(img);
+                using var sp = new SFML.Graphics.Sprite(texSprite)
+                {
+                    Origin = new(texPma.Size.X / 2f, texPma.Size.Y / 2f),
+                    Position = new(view.Center.X, view.Center.Y),
+                    Scale = new(view.Size.X / texPma.Size.X, view.Size.Y / texPma.Size.Y),
+                    Rotation = view.Rotation
+                };
+
+                // 混合模式用直接覆盖的方式, 保证得到的图像区域是反预乘的颜色和透明度, 同时使用反预乘着色器
+                var st = SFML.Graphics.RenderStates.Default;
+                st.BlendMode = SFMLBlendMode.SourceOnly;
+                st.Shader = SFMLShader.InversePma;
+
+                // 在最终结果上二次渲染非预乘画面
+                using var tex = GetRenderTexture();
+
+                // 将非预乘结果覆盖式绘制在目标对象上, 注意背景色应该用非预乘的
+                tex.Clear(BackgroundColor);
+                tex.Draw(sp, st);
+                tex.Display();
+                return new(tex.Texture.CopyToImage());
+            }
+            else
+            {
+                return new(texPma.Texture.CopyToImage());
+            }
+        }
+
+        /// <summary>
+        /// 每个模型在同一个画面进行导出
+        /// </summary>
+        protected abstract void ExportSingle(SpineObject[] spinesToRender, BackgroundWorker? worker = null);
+
+        /// <summary>
+        /// 每个模型独立导出
+        /// </summary>
+        protected abstract void ExportIndividual(SpineObject[] spinesToRender, BackgroundWorker? worker = null);
+
+        /// <summary>
+        /// 检查参数是否合法并规范化参数值, 否则返回用户错误原因
+        /// </summary>
+        public virtual string? Validate()
+        {
+            if (!string.IsNullOrWhiteSpace(OutputDir) && File.Exists(OutputDir))
+                return "输出文件夹无效";
+            if (!string.IsNullOrWhiteSpace(OutputDir) && !Directory.Exists(OutputDir))
+                return $"文件夹 {OutputDir} 不存在";
+            if (IsExportSingle && string.IsNullOrWhiteSpace(OutputDir))
+                return "导出单个时必须提供输出文件夹";
+
+            OutputDir = string.IsNullOrWhiteSpace(OutputDir) ? null : Path.GetFullPath(OutputDir);
+            return null;
+        }
+
+        /// <summary>
+        /// 执行导出
+        /// </summary>
+        /// <param name="spines">要进行导出的 Spine 列表</param>
+        /// <param name="worker">用来执行该函数的 worker</param>
+        /// <exception cref="ArgumentException"></exception>
+        public virtual void Export(SpineObject[] spines, BackgroundWorker? worker = null)
+        {
+            if (Validate() is string err) 
+                throw new ArgumentException(err);
+
+            var spinesToRender = spines.Where(sp => !RenderSelectedOnly || sp.IsSelected).Reverse().ToArray();
+
+            if (IsExportSingle) ExportSingle(spinesToRender, worker);
+            else ExportIndividual(spinesToRender, worker);
+
+            logger.LogCurrentProcessMemoryUsage();
+        }
+    }
+
+    /// <summary>
+    /// 用于在 PropertyGrid 上提供用户操作接口的包装类
+    /// </summary>
+    public class ExporterProperty(Exporter exporter)
+    {
+        [Browsable(false)]
+        public virtual Exporter Exporter { get; } = exporter;
+
+        /// <summary>
+        /// 输出文件夹
+        /// </summary>
+        [Editor(typeof(FolderNameEditor), typeof(UITypeEditor))]
+        [Category("[0] 导出"), DisplayName("输出文件夹"), Description("逐个导出时可以留空，将逐个导出到模型自身所在目录")]
+        public string? OutputDir { get => Exporter.OutputDir; set => Exporter.OutputDir = value; }
+
+        /// <summary>
+        /// 导出单个
+        /// </summary>
+        [Category("[0] 导出"), DisplayName("导出单个"), Description("是否将模型在同一个画面上导出单个文件，否则逐个导出模型")]
+        public bool IsExportSingle { get => Exporter.IsExportSingle; set => Exporter.IsExportSingle = value; }
+
+        /// <summary>
+        /// 画面分辨率
+        /// </summary>
+        [TypeConverter(typeof(SizeConverter))]
+        [Category("[0] 导出"), DisplayName("分辨率"), Description("画面的宽高像素大小，请在预览画面参数面板进行调整")]
+        public Size Resolution { get => Exporter.Resolution; }
+
+        /// <summary>
+        /// 渲染视窗
+        /// </summary>
+        [Category("[0] 导出"), DisplayName("视图"), Description("画面的视图参数，请在预览画面参数面板进行调整")]
+        public SFML.Graphics.View View { get => Exporter.View; }
+
+        /// <summary>
+        /// 是否仅渲染选中
+        /// </summary>
+        [Category("[0] 导出"), DisplayName("仅渲染选中"), Description("是否仅导出选中的模型，请在预览画面参数面板进行调整")]
+        public bool RenderSelectedOnly { get => Exporter.RenderSelectedOnly; }
+
+        /// <summary>
+        /// 背景颜色
+        /// </summary>
+        [Editor(typeof(SFMLColorEditor), typeof(UITypeEditor))]
+        [TypeConverter(typeof(SFMLColorConverter))]
+        [Category("[0] 导出"), DisplayName("背景颜色"), Description("要使用的背景色, 格式为 #RRGGBBAA")]
+        public SFML.Graphics.Color BackgroundColor { get => Exporter.BackgroundColor; set => Exporter.BackgroundColor = value; }
+    }
+}

SpineViewer/Spine/SpineExporter/FFmpegVideoExporter.cs

@@ -0,0 +1,135 @@
+using FFMpegCore.Pipes;
+using FFMpegCore;
+using System;
+using System.Collections.Generic;
+using System.ComponentModel;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Diagnostics;
+
+namespace SpineViewer.Spine.SpineExporter
+{
+    /// <summary>
+    /// 使用 FFmpeg 的视频导出器
+    /// </summary>
+    public abstract class FFmpegVideoExporter : VideoExporter
+    {
+        /// <summary>
+        /// 文件格式
+        /// </summary>
+        public abstract string Format { get; }
+
+        /// <summary>
+        /// 文件名后缀
+        /// </summary>
+        public abstract string Suffix { get; }
+
+        /// <summary>
+        /// 文件名后缀
+        /// </summary>
+        public string CustomArgument { get; set; }
+
+        /// <summary>
+        /// 要追加在文件名末尾的信息字串, 首尾不需要提供额外分隔符
+        /// </summary>
+        public abstract string FileNameNoteSuffix { get; }
+
+        /// <summary>
+        /// 获取输出附加选项
+        /// </summary>
+        public virtual void SetOutputOptions(FFMpegArgumentOptions options) => options.ForceFormat(Format).WithCustomArgument(CustomArgument);
+
+        public override string? Validate()
+        {
+            if (base.Validate() is string error)
+                return error;
+            if (string.IsNullOrWhiteSpace(Format))
+                return "需要提供有效的格式";
+            if (string.IsNullOrWhiteSpace(Suffix))
+                return "需要提供有效的文件名后缀";
+            return null;
+        }
+
+        protected override void ExportSingle(SpineObject[] spinesToRender, BackgroundWorker? worker = null)
+        {
+            var noteSuffix = FileNameNoteSuffix;
+            if (!string.IsNullOrWhiteSpace(noteSuffix)) noteSuffix = $"_{noteSuffix}";
+
+            var filename = $"ffmpeg_{timestamp}_{FPS:f0}{noteSuffix}{Suffix}";
+
+            // 导出单个时必定提供输出文件夹
+            var savePath = Path.Combine(OutputDir, filename);
+
+            var videoFramesSource = new RawVideoPipeSource(GetFrames(spinesToRender, worker)) { FrameRate = FPS };
+            try
+            {
+                var ffmpegArgs = FFMpegArguments.FromPipeInput(videoFramesSource).OutputToFile(savePath, true, SetOutputOptions);
+
+                logger.Info("FFmpeg arguments: {}", ffmpegArgs.Arguments);
+                ffmpegArgs.ProcessSynchronously();
+            }
+            catch (Exception ex)
+            {
+                logger.Error(ex.ToString());
+                logger.Error("Failed to export {} {}", Format, savePath);
+            }
+        }
+
+        protected override void ExportIndividual(SpineObject[] spinesToRender, BackgroundWorker? worker = null)
+        {
+            var noteSuffix = FileNameNoteSuffix;
+            if (!string.IsNullOrWhiteSpace(noteSuffix)) noteSuffix = $"_{noteSuffix}";
+
+            foreach (var spine in spinesToRender)
+            {
+                if (worker?.CancellationPending == true) break; // 取消的日志在 GetFrames 里输出
+
+                var filename = $"{spine.Name}_{timestamp}_{FPS:f0}{noteSuffix}{Suffix}";
+
+                // 如果提供了输出文件夹, 则全部导出到输出文件夹, 否则导出到各自的文件夹下
+                var savePath = Path.Combine(OutputDir ?? spine.AssetsDir, filename);
+
+                var videoFramesSource = new RawVideoPipeSource(GetFrames(spine, worker)) { FrameRate = FPS };
+                try
+                {
+                    var ffmpegArgs = FFMpegArguments
+                    .FromPipeInput(videoFramesSource)
+                    .OutputToFile(savePath, true, SetOutputOptions);
+
+                    logger.Info("FFmpeg arguments: {}", ffmpegArgs.Arguments);
+                    ffmpegArgs.ProcessSynchronously();
+                }
+                catch (Exception ex)
+                {
+                    logger.Error(ex.ToString());
+                    logger.Error("Failed to export {} {} {}", Format, savePath, spine.SkelPath);
+                }
+            }
+        }
+    }
+
+    public class FFmpegVideoExporterProperty(FFmpegVideoExporter exporter) : VideoExporterProperty(exporter)
+    {
+        [Browsable(false)]
+        public override FFmpegVideoExporter Exporter => (FFmpegVideoExporter)base.Exporter;
+
+        /// <summary>
+        /// 文件格式
+        /// </summary>
+        [Category("[2] FFmpeg 基本参数"), DisplayName("文件格式"), Description("-f, 文件格式")]
+        public virtual string Format => Exporter.Format;
+
+        /// <summary>
+        /// 文件名后缀
+        /// </summary>
+        [Category("[2] FFmpeg 基本参数"), DisplayName("文件名后缀"), Description("文件名后缀")]
+        public virtual string Suffix => Exporter.Suffix;
+
+        /// <summary>
+        /// 文件名后缀
+        /// </summary>
+        [Category("[2] FFmpeg 基本参数"), DisplayName("自定义参数"), Description("使用 \"ffmpeg -h encoder=<编码器>\" 查看编码器支持的参数\n使用 \"ffmpeg -h muxer=<文件格式>\" 查看文件格式支持的参数")]
+        public string CustomArgument { get => Exporter.CustomArgument; set => Exporter.CustomArgument = value; }
+    }
+}

SpineViewer/Spine/SpineExporter/FrameExporter.cs

@@ -0,0 +1,133 @@
+using SpineViewer.Spine;
+using System;
+using System.Collections.Generic;
+using System.ComponentModel;
+using System.Drawing.Imaging;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace SpineViewer.Spine.SpineExporter
+{
+    /// <summary>
+    /// 单帧画面导出器
+    /// </summary>
+    public class FrameExporter : Exporter
+    {
+        /// <summary>
+        /// 单帧画面格式
+        /// </summary>
+        public ImageFormat ImageFormat
+        {
+            get => imageFormat;
+            set
+            {
+                if (value == ImageFormat.MemoryBmp) value = ImageFormat.Bmp;
+                imageFormat = value;
+            }
+        }
+        private ImageFormat imageFormat = ImageFormat.Png;
+
+        /// <summary>
+        /// DPI
+        /// </summary>
+        public SizeF DPI
+        {
+            get => dpi;
+            set
+            {
+                if (value.Width <= 0) value.Width = 144;
+                if (value.Height <= 0) value.Height = 144;
+                dpi = value;
+            }
+        }
+        private SizeF dpi = new(144, 144);
+
+        protected override void ExportSingle(SpineObject[] spinesToRender, BackgroundWorker? worker = null)
+        {
+            // 导出单个时必定提供输出文件夹
+            var filename = $"frame_{timestamp}{ImageFormat.GetSuffix()}";
+            var savePath = Path.Combine(OutputDir, filename);
+
+            worker?.ReportProgress(0, $"已处理 0/1");
+            try
+            {
+                using var frame = GetFrame(spinesToRender);
+                using var img = frame.CopyToBitmap();
+                img.SetResolution(DPI.Width, DPI.Height);
+                img.Save(savePath, ImageFormat);
+            }
+            catch (Exception ex)
+            {
+                logger.Error(ex.ToString());
+                logger.Error("Failed to save single frame");
+            }
+            worker?.ReportProgress(100, $"已处理 1/1");
+        }
+
+        protected override void ExportIndividual(SpineObject[] spinesToRender, BackgroundWorker? worker = null)
+        {
+            int total = spinesToRender.Length;
+            int success = 0;
+            int error = 0;
+
+            worker?.ReportProgress(0, $"已处理 0/{total}");
+            for (int i = 0; i < total; i++)
+            {
+                var spine = spinesToRender[i];
+
+                // 逐个导出时如果提供了输出文件夹, 则全部导出到输出文件夹, 否则输出到各自的文件夹
+                var filename = $"{spine.Name}_{timestamp}{ImageFormat.GetSuffix()}";
+                var savePath = Path.Combine(OutputDir ?? spine.AssetsDir, filename);
+
+                try
+                {
+                    using var frame = GetFrame(spine);
+                    using var img = frame.CopyToBitmap();
+                    img.SetResolution(DPI.Width, DPI.Height);
+                    img.Save(savePath, ImageFormat);
+                    success++;
+                }
+                catch (Exception ex)
+                {
+                    logger.Error(ex.ToString());
+                    logger.Error("Failed to save single frame {} {}", savePath, spine.SkelPath);
+                    error++;
+                }
+
+                worker?.ReportProgress((int)((i + 1) * 100.0) / total, $"已处理 {i + 1}/{total}");
+            }
+
+            if (error > 0)
+                logger.Warn("Frames save {} successfully, {} failed", success, error);
+            else
+                logger.Info("{} frames saved successfully", success);
+        }
+    }
+
+    public class FrameExporterProperty(FrameExporter exporter) : ExporterProperty(exporter)
+    {
+        [Browsable(false)]
+        public override FrameExporter Exporter => (FrameExporter)base.Exporter;
+
+        /// <summary>
+        /// 单帧画面格式
+        /// </summary>
+        [TypeConverter(typeof(ImageFormatConverter))]
+        [Category("[1] 单帧画面"), DisplayName("图像格式")]
+        public ImageFormat ImageFormat { get => Exporter.ImageFormat; set => Exporter.ImageFormat = value; }
+
+        /// <summary>
+        /// 文件名后缀
+        /// </summary>
+        [Category("[1] 单帧画面"), DisplayName("文件名后缀"), Description("与图像格式匹配的文件名后缀")]
+        public string Suffix { get => Exporter.ImageFormat.GetSuffix(); }
+
+        /// <summary>
+        /// DPI
+        /// </summary>
+        [TypeConverter(typeof(SizeFConverter))]
+        [Category("[1] 单帧画面"), DisplayName("DPI"), Description("导出图像的每英寸像素数，用于调整图像的物理尺寸")]
+        public SizeF DPI { get => Exporter.DPI; set => Exporter.DPI = value; }
+    }
+}

SpineViewer/Spine/SpineExporter/FrameSequenceExporter.cs

@@ -0,0 +1,99 @@
+using SpineViewer.Spine;
+using SpineViewer.Utils;
+using System;
+using System.Collections.Generic;
+using System.ComponentModel;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace SpineViewer.Spine.SpineExporter
+{
+    /// <summary>
+    /// 帧序列导出器
+    /// </summary>
+    public class FrameSequenceExporter : VideoExporter
+    {
+        /// <summary>
+        /// 文件名后缀, 同时决定帧图像格式, 支持的格式为 <c>".png", ".jpg", ".tga", ".bmp"</c>
+        /// </summary>
+        public string Suffix { get; set; } = ".png";
+
+        protected override void ExportSingle(SpineObject[] spinesToRender, BackgroundWorker? worker = null)
+        {
+            // 导出单个时必定提供输出文件夹, 
+            var saveDir = Path.Combine(OutputDir, $"frames_{timestamp}_{FPS:f0}");
+            Directory.CreateDirectory(saveDir);
+
+            int frameIdx = 0;
+            foreach (var frame in GetFrames(spinesToRender, worker))
+            {
+                var filename = $"frames_{timestamp}_{FPS:f0}_{frameIdx:d6}{Suffix}";
+                var savePath = Path.Combine(saveDir, filename);
+
+                try
+                {
+                    frame.SaveToFile(savePath);
+                }
+                catch (Exception ex)
+                {
+                    logger.Error(ex.ToString());
+                    logger.Error("Failed to save frame {}", savePath);
+                }
+                finally
+                {
+                    frame.Dispose();
+                }
+                frameIdx++;
+            }
+        }
+
+        protected override void ExportIndividual(SpineObject[] spinesToRender, BackgroundWorker? worker = null)
+        {
+            foreach (var spine in spinesToRender)
+            {
+                if (worker?.CancellationPending == true) break; // 取消的日志在 GetFrames 里输出
+
+                // 如果提供了输出文件夹, 则全部导出到输出文件夹, 否则导出到各自的文件夹下
+                var subDir = $"{spine.Name}_{timestamp}_{FPS:f0}";
+                var saveDir = Path.Combine(OutputDir ?? spine.AssetsDir, subDir);
+                Directory.CreateDirectory(saveDir);
+
+                int frameIdx = 0;
+                foreach (var frame in GetFrames(spine, worker))
+                {
+                    var filename = $"{spine.Name}_{timestamp}_{FPS:f0}_{frameIdx:d6}{Suffix}";
+                    var savePath = Path.Combine(saveDir, filename);
+
+                    try
+                    {
+                        frame.SaveToFile(savePath);
+                    }
+                    catch (Exception ex)
+                    {
+                        logger.Error(ex.ToString());
+                        logger.Error("Failed to save frame {} {}", savePath, spine.SkelPath);
+                    }
+                    finally
+                    {
+                        frame.Dispose();
+                    }
+                    frameIdx++;
+                }
+            }
+        }
+    }
+
+    public class FrameSequenceExporterProperty(VideoExporter exporter) : VideoExporterProperty(exporter)
+    {
+        [Browsable(false)]
+        public override FrameSequenceExporter Exporter => (FrameSequenceExporter)base.Exporter;
+
+        /// <summary>
+        /// 文件名后缀
+        /// </summary>
+        [TypeConverter(typeof(StringEnumConverter)), StringEnumConverter.StandardValues(".png", ".jpg", ".tga", ".bmp")]
+        [Category("[2] 帧序列参数"), DisplayName("文件名后缀"), Description("帧文件的后缀，同时决定帧图像格式")]
+        public string Suffix { get => Exporter.Suffix; set => Exporter.Suffix = value; }
+    }
+}

SpineViewer/Spine/SpineExporter/GifExporter.cs

@@ -0,0 +1,79 @@
+using FFMpegCore;
+using System;
+using System.Collections.Generic;
+using System.ComponentModel;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace SpineViewer.Spine.SpineExporter
+{
+    /// <summary>
+    /// GIF 导出参数
+    /// </summary>
+    public class GifExporter : FFmpegVideoExporter
+    {
+        public GifExporter()
+        {
+            FPS = 24;
+        }
+
+        public override string Format => "gif";
+
+        public override string Suffix => ".gif";
+
+        /// <summary>
+        /// 调色板最大颜色数量
+        /// </summary>
+        public uint MaxColors { get => maxColors; set => maxColors = Math.Clamp(value, 2, 256); }
+        private uint maxColors = 256;
+
+        /// <summary>
+        /// 透明度阈值
+        /// </summary>
+        public byte AlphaThreshold { get => alphaThreshold; set => alphaThreshold = value; }
+        private byte alphaThreshold = 128;
+
+        /// <summary>
+        /// 循环次数, -1 不循环, 0 无限循环, 取值范围 [-1, 65535]
+        /// </summary>
+        public int Loop { get => loop; set => loop = Math.Clamp(value, -1, 65535); }
+        private int loop = 0;
+
+        public override string FileNameNoteSuffix => $"{MaxColors}_{AlphaThreshold}";
+
+        public override void SetOutputOptions(FFMpegArgumentOptions options)
+        {
+            base.SetOutputOptions(options);
+            var v = $"[0:v] split [s0][s1]";
+            var s0 = $"[s0] palettegen=reserve_transparent=1:max_colors={MaxColors} [p]";
+            var s1 = $"[s1][p] paletteuse=dither=bayer:alpha_threshold={AlphaThreshold}";
+            var customArgs = $"-filter_complex \"{v};{s0};{s1}\" -loop {Loop}";
+            options.WithCustomArgument(customArgs);
+        }
+    }
+
+    class GifExporterProperty(FFmpegVideoExporter exporter) : FFmpegVideoExporterProperty(exporter)
+    {
+        [Browsable(false)]
+        public override GifExporter Exporter => (GifExporter)base.Exporter;
+
+        /// <summary>
+        /// 调色板最大颜色数量
+        /// </summary>
+        [Category("[3] 格式参数"), DisplayName("调色板最大颜色数量"), Description("设置调色板使用的最大颜色数量, 越多则色彩保留程度越高")]
+        public uint MaxColors { get => Exporter.MaxColors; set => Exporter.MaxColors = value; }
+
+        /// <summary>
+        /// 透明度阈值
+        /// </summary>
+        [Category("[3] 格式参数"), DisplayName("透明度阈值"), Description("小于该值的像素点会被认为是透明像素")]
+        public byte AlphaThreshold { get => Exporter.AlphaThreshold; set => Exporter.AlphaThreshold = value; }
+
+        /// <summary>
+        /// 透明度阈值
+        /// </summary>
+        [Category("[3] 格式参数"), DisplayName("循环次数"), Description("-loop, 循环次数, -1 不循环, 0 无限循环, 取值范围 [-1, 65535]")]
+        public int Loop { get => Exporter.Loop; set => Exporter.Loop = value; }
+    }
+}

SpineViewer/Spine/SpineExporter/MkvExporter.cs

@@ -0,0 +1,78 @@
+using FFMpegCore;
+using SpineViewer.Utils;
+using System;
+using System.Collections.Generic;
+using System.ComponentModel;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace SpineViewer.Spine.SpineExporter
+{
+    /// <summary>
+    /// MKV 导出参数
+    /// </summary>
+    public class MkvExporter : FFmpegVideoExporter
+    {
+        public MkvExporter()
+        {
+            BackgroundColor = new(0, 255, 0);
+        }
+
+        public override string Format => "matroska";
+
+        public override string Suffix => ".mkv";
+
+        /// <summary>
+        /// 编码器
+        /// </summary>
+        public string Codec { get; set; } = "libx265";
+
+        /// <summary>
+        /// CRF
+        /// </summary>
+        public int CRF { get => crf; set => crf = Math.Clamp(value, 0, 63); }
+        private int crf = 23;
+
+        /// <summary>
+        /// 像素格式
+        /// </summary>
+        public string PixelFormat { get; set; } = "yuv444p";
+
+        public override string FileNameNoteSuffix => $"{Codec}_{CRF}_{PixelFormat}";
+
+        public override void SetOutputOptions(FFMpegArgumentOptions options)
+        {
+            base.SetOutputOptions(options);
+            options.WithVideoCodec(Codec).WithConstantRateFactor(CRF).ForcePixelFormat(PixelFormat);
+        }
+    }
+
+    public class MkvExporterProperty(FFmpegVideoExporter exporter) : FFmpegVideoExporterProperty(exporter)
+    {
+        [Browsable(false)]
+        public override MkvExporter Exporter => (MkvExporter)base.Exporter;
+
+        /// <summary>
+        /// 编码器
+        /// </summary>
+        [StringEnumConverter.StandardValues("libx264", "libx265", "libvpx-vp9", "av1_nvenc", Customizable = true)]
+        [TypeConverter(typeof(StringEnumConverter))]
+        [Category("[3] 格式参数"), DisplayName("编码器"), Description("-c:v, 要使用的编码器")]
+        public string Codec { get => Exporter.Codec; set => Exporter.Codec = value; }
+
+        /// <summary>
+        /// CRF
+        /// </summary>
+        [Category("[3] 格式参数"), DisplayName("CRF"), Description("-crf, 取值范围 0-63, 建议范围 18-28, 默认取值 23, 数值越小则输出质量越高")]
+        public int CRF { get => Exporter.CRF; set => Exporter.CRF = value; }
+
+        /// <summary>
+        /// 像素格式
+        /// </summary>
+        [StringEnumConverter.StandardValues("yuv420p", "yuv422p", "yuv444p", "yuva420p", Customizable = true)]
+        [TypeConverter(typeof(StringEnumConverter))]
+        [Category("[3] 格式参数"), DisplayName("像素格式"), Description("-pix_fmt, 要使用的像素格式")]
+        public string PixelFormat { get => Exporter.PixelFormat; set => Exporter.PixelFormat = value; }
+    }
+}

SpineViewer/Spine/SpineExporter/MovExporter.cs

@@ -0,0 +1,79 @@
+using FFMpegCore;
+using SpineViewer.Utils;
+using System;
+using System.Collections.Generic;
+using System.ComponentModel;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace SpineViewer.Spine.SpineExporter
+{
+    /// <summary>
+    /// MOV 导出参数
+    /// </summary>
+    public class MovExporter : FFmpegVideoExporter
+    {
+        public MovExporter()
+        {
+            BackgroundColor = new(0, 255, 0);
+        }
+
+        public override string Format => "mov";
+
+        public override string Suffix => ".mov";
+
+        /// <summary>
+        /// 编码器
+        /// </summary>
+        public string Codec { get; set; } = "prores_ks";
+
+        /// <summary>
+        /// 预设
+        /// </summary>
+        public string Profile { get; set; } = "auto";
+
+        /// <summary>
+        /// 像素格式
+        /// </summary>
+        public string PixelFormat { get; set; } = "yuva444p10le";
+
+        public override string FileNameNoteSuffix => $"{Codec}_{Profile}_{PixelFormat}";
+
+        public override void SetOutputOptions(FFMpegArgumentOptions options)
+        {
+            base.SetOutputOptions(options);
+            options.WithFastStart().WithVideoCodec(Codec).WithCustomArgument($"-profile {Profile}").ForcePixelFormat(PixelFormat);
+        }
+    }
+
+    public class MovExporterProperty(FFmpegVideoExporter exporter) : FFmpegVideoExporterProperty(exporter)
+    {
+        [Browsable(false)]
+        public override MovExporter Exporter => (MovExporter)base.Exporter;
+
+        /// <summary>
+        /// 编码器
+        /// </summary>
+        [StringEnumConverter.StandardValues("prores_ks", Customizable = true)]
+        [TypeConverter(typeof(StringEnumConverter))]
+        [Category("[3] 格式参数"), DisplayName("编码器"), Description("-c:v, 要使用的编码器")]
+        public string Codec { get => Exporter.Codec; set => Exporter.Codec = value; }
+
+        /// <summary>
+        /// 预设
+        /// </summary>
+        [StringEnumConverter.StandardValues("auto", "proxy", "lt", "standard", "hq", "4444", "4444xq")]
+        [TypeConverter(typeof(StringEnumConverter))]
+        [Category("[3] 格式参数"), DisplayName("预设"), Description("-profile, 预设配置")]
+        public string Profile { get => Exporter.Profile; set => Exporter.Profile = value; }
+
+        /// <summary>
+        /// 像素格式
+        /// </summary>
+        [StringEnumConverter.StandardValues("yuv422p10le", "yuv444p10le", "yuva444p10le", Customizable = true)]
+        [TypeConverter(typeof(StringEnumConverter))]
+        [Category("[3] 格式参数"), DisplayName("像素格式"), Description("-pix_fmt, 要使用的像素格式")]
+        public string PixelFormat { get => Exporter.PixelFormat; set => Exporter.PixelFormat = value; }
+    }
+}

SpineViewer/Spine/SpineExporter/Mp4Exporter.cs

@@ -0,0 +1,78 @@
+using FFMpegCore;
+using SpineViewer.Utils;
+using System;
+using System.Collections.Generic;
+using System.ComponentModel;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace SpineViewer.Spine.SpineExporter
+{
+    /// <summary>
+    /// MP4 导出参数
+    /// </summary>
+    public class Mp4Exporter : FFmpegVideoExporter
+    {
+        public Mp4Exporter()
+        {
+            BackgroundColor = new(0, 255, 0);
+        }
+
+        public override string Format => "mp4";
+
+        public override string Suffix => ".mp4";
+
+        /// <summary>
+        /// 编码器
+        /// </summary>
+        public string Codec { get; set; } = "libx264";
+
+        /// <summary>
+        /// CRF
+        /// </summary>
+        public int CRF { get => crf; set => crf = Math.Clamp(value, 0, 63); }
+        private int crf = 23;
+
+        /// <summary>
+        /// 像素格式
+        /// </summary>
+        public string PixelFormat { get; set; } = "yuv444p";
+
+        public override string FileNameNoteSuffix => $"{Codec}_{CRF}_{PixelFormat}";
+
+        public override void SetOutputOptions(FFMpegArgumentOptions options)
+        {
+            base.SetOutputOptions(options);
+            options.WithFastStart().WithVideoCodec(Codec).WithConstantRateFactor(CRF).ForcePixelFormat(PixelFormat);
+        }
+    }
+
+    public class Mp4ExporterProperty(FFmpegVideoExporter exporter) : FFmpegVideoExporterProperty(exporter)
+    {
+        [Browsable(false)]
+        public override Mp4Exporter Exporter => (Mp4Exporter)base.Exporter;
+
+        /// <summary>
+        /// 编码器
+        /// </summary>
+        [StringEnumConverter.StandardValues("libx264", "libx265", Customizable = true)]
+        [TypeConverter(typeof(StringEnumConverter))]
+        [Category("[3] 格式参数"), DisplayName("编码器"), Description("-c:v, 要使用的编码器")]
+        public string Codec { get => Exporter.Codec; set => Exporter.Codec = value; }
+
+        /// <summary>
+        /// CRF
+        /// </summary>
+        [Category("[3] 格式参数"), DisplayName("CRF"), Description("-crf, 取值范围 0-63, 建议范围 18-28, 默认取值 23, 数值越小则输出质量越高")]
+        public int CRF { get => Exporter.CRF; set => Exporter.CRF = value; }
+
+        /// <summary>
+        /// 像素格式
+        /// </summary>
+        [StringEnumConverter.StandardValues("yuv420p", "yuv422p", "yuv444p", Customizable = true)]
+        [TypeConverter(typeof(StringEnumConverter))]
+        [Category("[3] 格式参数"), DisplayName("像素格式"), Description("-pix_fmt, 要使用的像素格式")]
+        public string PixelFormat { get => Exporter.PixelFormat; set => Exporter.PixelFormat = value; }
+    }
+}

SpineViewer/Spine/SpineExporter/VideoExporter.cs

@@ -0,0 +1,169 @@
+using SpineViewer.Spine;
+using System;
+using System.Collections.Generic;
+using System.ComponentModel;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace SpineViewer.Spine.SpineExporter
+{
+    /// <summary>
+    /// 视频导出基类
+    /// </summary>
+    public abstract class VideoExporter : Exporter
+    {
+        /// <summary>
+        /// 导出时长
+        /// </summary>
+        public float Duration { get => duration; set => duration = value < 0 ? -1 : value; }
+        private float duration = -1;
+
+        /// <summary>
+        /// 帧率
+        /// </summary>
+        public float FPS { get; set; } = 60;
+
+        /// <summary>
+        /// 是否保留最后一帧
+        /// </summary>
+        public bool KeepLast { get; set; } = true;
+
+        public override string? Validate()
+        {
+            if (base.Validate() is string error)
+                return error;
+            if (IsExportSingle && Duration < 0)
+                return "导出单个时导出时长不能为负数";
+            return null;
+        }
+
+        /// <summary>
+        /// 生成单个模型的帧序列
+        /// </summary>
+        protected IEnumerable<SFMLImageVideoFrame> GetFrames(SpineObject spine, BackgroundWorker? worker = null)
+        {
+            // 独立导出时如果 Duration 小于 0 则使用所有轨道上动画时长最大值
+            var duration = Duration;
+            if (duration < 0) duration = spine.GetTrackIndices().Select(i => spine.GetAnimationDuration(spine.GetAnimation(i))).Max();
+
+            float delta = 1f / FPS;
+            int total = (int)(duration * FPS); // 完整帧的数量
+
+            float deltaFinal = duration - delta * total; // 最后一帧时长
+            int final = KeepLast && deltaFinal > 1e-3 ? 1 : 0;
+
+            int frameCount = 1 + total + final; // 所有帧的数量 = 起始帧 + 完整帧 + 最后一帧
+
+            worker?.ReportProgress(0, $"{spine.Name} 已处理 0/{frameCount} 帧");
+
+            // 导出首帧
+            var firstFrame = GetFrame(spine);
+            worker?.ReportProgress(1 * 100 / frameCount, $"{spine.Name} 已处理 1/{frameCount} 帧");
+            yield return firstFrame;
+
+            // 导出完整帧
+            for (int i = 0; i < total; i++)
+            {
+                if (worker?.CancellationPending == true)
+                {
+                    logger.Info("Export cancelled");
+                    break;
+                }
+
+                spine.Update(delta);
+                var frame = GetFrame(spine);
+                worker?.ReportProgress((1 + i + 1) * 100 / frameCount, $"{spine.Name} 已处理 {1 + i + 1}/{frameCount} 帧");
+                yield return frame;
+            }
+
+            // 导出最后一帧
+            if (final > 0)
+            {
+                spine.Update(deltaFinal);
+                var finalFrame = GetFrame(spine);
+                worker?.ReportProgress(100, $"{spine.Name} 已处理 {frameCount}/{frameCount} 帧");
+                yield return finalFrame;
+            }
+        }
+
+        /// <summary>
+        /// 生成多个模型的帧序列
+        /// </summary>
+        protected IEnumerable<SFMLImageVideoFrame> GetFrames(SpineObject[] spinesToRender, BackgroundWorker? worker = null)
+        {
+            // 导出单个时必须根据 Duration 决定导出时长
+            var duration = Duration;
+
+            float delta = 1f / FPS;
+            int total = (int)(duration * FPS); // 完整帧的数量
+
+            float deltaFinal = duration - delta * total; // 最后一帧时长
+            int final = KeepLast && deltaFinal > 1e-3 ? 1 : 0;
+
+            int frameCount = 1 + total + final; // 所有帧的数量 = 起始帧 + 完整帧 + 最后一帧
+
+            worker?.ReportProgress(0, $"已处理 0/{frameCount} 帧");
+
+            // 导出首帧
+            var firstFrame = GetFrame(spinesToRender);
+            worker?.ReportProgress(1 * 100 / frameCount, $"已处理 1/{frameCount} 帧");
+            yield return firstFrame;
+
+            // 导出完整帧
+            for (int i = 0; i < total; i++)
+            {
+                if (worker?.CancellationPending == true)
+                {
+                    logger.Info("Export cancelled");
+                    break;
+                }
+
+                foreach (var spine in spinesToRender) spine.Update(delta);
+                var frame = GetFrame(spinesToRender);
+                worker?.ReportProgress((1 + i + 1) * 100 / frameCount, $"已处理 {1 + i + 1}/{frameCount} 帧");
+                yield return frame;
+            }
+
+            // 导出最后一帧
+            if (final > 0)
+            {
+                foreach (var spine in spinesToRender) spine.Update(delta);
+                var finalFrame = GetFrame(spinesToRender);
+                worker?.ReportProgress(100, $"已处理 {frameCount}/{frameCount} 帧");
+                yield return finalFrame;
+            }
+        }
+
+        public override void Export(SpineObject[] spines, BackgroundWorker? worker = null)
+        {
+            // 导出视频格式需要把模型时间都重置到 0
+            foreach (var spine in spines) spine.ResetAnimationsTime();
+            base.Export(spines, worker);
+        }
+    }
+
+    public class VideoExporterProperty(VideoExporter exporter) : ExporterProperty(exporter)
+    {
+        [Browsable(false)]
+        public override VideoExporter Exporter => (VideoExporter)base.Exporter;
+
+        /// <summary>
+        /// 导出时长
+        /// </summary>
+        [Category("[1] 视频参数"), DisplayName("时长"), Description("可以从模型列表查看动画时长, 如果小于 0, 则在逐个导出时每个模型使用各自的所有轨道动画时长最大值")]
+        public float Duration { get => Exporter.Duration; set => Exporter.Duration = value; }
+
+        /// <summary>
+        /// 帧率
+        /// </summary>
+        [Category("[1] 视频参数"), DisplayName("帧率"), Description("每秒画面数")]
+        public float FPS { get => Exporter.FPS; set => Exporter.FPS = value; }
+
+        /// <summary>
+        /// 保留最后一帧
+        /// </summary>
+        [Category("[1] 视频参数"), DisplayName("保留最后一帧"), Description("当设置保留最后一帧时, 动图会更为连贯, 但是帧数可能比预期帧数多 1")]
+        public bool KeepLast { get => Exporter.KeepLast; set => Exporter.KeepLast = value; }
+    }
+}

SpineViewer/Spine/SpineExporter/WebmExporter.cs

@@ -0,0 +1,79 @@
+using FFMpegCore;
+using SpineViewer.Utils;
+using System;
+using System.Collections.Generic;
+using System.ComponentModel;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace SpineViewer.Spine.SpineExporter
+{
+    /// <summary>
+    /// WebM 导出参数
+    /// </summary>
+    public class WebmExporter : FFmpegVideoExporter
+    {
+        public WebmExporter()
+        {
+            // 默认用透明黑背景
+            BackgroundColor = new(0, 0, 0, 0);
+        }
+
+        public override string Format => "webm";
+
+        public override string Suffix => ".webm";
+
+        /// <summary>
+        /// 编码器
+        /// </summary>
+        public string Codec { get; set; } = "libvpx-vp9";
+
+        /// <summary>
+        /// CRF
+        /// </summary>
+        public int CRF { get => crf; set => crf = Math.Clamp(value, 0, 63); }
+        private int crf = 23;
+
+        /// <summary>
+        /// 像素格式
+        /// </summary>
+        public string PixelFormat { get; set; } = "yuva420p";
+
+        public override string FileNameNoteSuffix => $"{Codec}_{CRF}_{PixelFormat}";
+
+        public override void SetOutputOptions(FFMpegArgumentOptions options)
+        {
+            base.SetOutputOptions(options);
+            options.WithVideoCodec(Codec).WithConstantRateFactor(CRF).ForcePixelFormat(PixelFormat);
+        }
+    }
+
+    public class WebmExporterProperty(WebmExporter exporter) : FFmpegVideoExporterProperty(exporter)
+    {
+        [Browsable(false)]
+        public override WebmExporter Exporter => (WebmExporter)base.Exporter;
+
+        /// <summary>
+        /// 编码器
+        /// </summary>
+        [StringEnumConverter.StandardValues("libvpx-vp9", Customizable = true)]
+        [TypeConverter(typeof(StringEnumConverter))]
+        [Category("[3] 格式参数"), DisplayName("编码器"), Description("-c:v, 要使用的编码器")]
+        public string Codec { get => Exporter.Codec; set => Exporter.Codec = value; }
+
+        /// <summary>
+        /// CRF
+        /// </summary>
+        [Category("[3] 格式参数"), DisplayName("CRF"), Description("-crf, 取值范围 0-63, 建议范围 18-28, 默认取值 23, 数值越小则输出质量越高")]
+        public int CRF { get => Exporter.CRF; set => Exporter.CRF = value; }
+
+        /// <summary>
+        /// 像素格式
+        /// </summary>
+        [StringEnumConverter.StandardValues("yuv420p", "yuv422p", "yuv444p", "yuva420p", Customizable = true)]
+        [TypeConverter(typeof(StringEnumConverter))]
+        [Category("[3] 格式参数"), DisplayName("像素格式"), Description("-pix_fmt, 要使用的像素格式")]
+        public string PixelFormat { get => Exporter.PixelFormat; set => Exporter.PixelFormat = value; }
+    }
+}

SpineViewer/Spine/SpineExporter/WebpExporter.cs

@@ -0,0 +1,101 @@
+using FFMpegCore;
+using SpineViewer.Utils;
+using System;
+using System.Collections.Generic;
+using System.ComponentModel;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace SpineViewer.Spine.SpineExporter
+{
+    /// <summary>
+    /// MP4 导出参数
+    /// </summary>
+    public class WebpExporter : FFmpegVideoExporter
+    {
+        public WebpExporter()
+        {
+            FPS = 24;
+        }
+
+        public override string Format => "webp";
+
+        public override string Suffix => ".webp";
+
+        /// <summary>
+        /// 编码器
+        /// </summary>
+        public string Codec { get; set; } = "libwebp_anim";
+
+        /// <summary>
+        /// 是否无损
+        /// </summary>
+        public bool Lossless { get; set; } = false;
+
+        /// <summary>
+        /// 质量
+        /// </summary>
+        public int Quality { get => quality; set => quality = Math.Clamp(value, 0, 100); }
+        private int quality = 75;
+
+        /// <summary>
+        /// 像素格式
+        /// </summary>
+        public string PixelFormat { get; set; } = "yuva420p";
+
+        /// <summary>
+        /// 循环次数, 0 无限循环, 取值范围 [0, 65535]
+        /// </summary>
+        public int Loop { get => loop; set => loop = Math.Clamp(value, 0, 65535); }
+        private int loop = 0;
+
+        public override string FileNameNoteSuffix => $"{Codec}_{Quality}_{PixelFormat}";
+
+        public override void SetOutputOptions(FFMpegArgumentOptions options)
+        {
+            base.SetOutputOptions(options);
+            options.WithVideoCodec(Codec).ForcePixelFormat(PixelFormat).WithCustomArgument($"-lossless {(Lossless ? 1 : 0)} -quality {Quality} -loop {Loop}");
+        }
+    }
+
+    public class WebpExporterProperty(WebpExporter exporter) : FFmpegVideoExporterProperty(exporter)
+    {
+        [Browsable(false)]
+        public override WebpExporter Exporter => (WebpExporter)base.Exporter;
+
+        /// <summary>
+        /// 编码器
+        /// </summary>
+        [StringEnumConverter.StandardValues("libwebp_anim", "libwebp", Customizable = true)]
+        [TypeConverter(typeof(StringEnumConverter))]
+        [Category("[3] 格式参数"), DisplayName("编码器"), Description("-c:v, 要使用的编码器")]
+        public string Codec { get => Exporter.Codec; set => Exporter.Codec = value; }
+
+        /// <summary>
+        /// 是否无损
+        /// </summary>
+        [Category("[3] 格式参数"), DisplayName("无损"), Description("-lossless, 0 表示有损, 1 表示无损")]
+        public bool Lossless { get => Exporter.Lossless; set => Exporter.Lossless = value; }
+
+        /// <summary>
+        /// CRF
+        /// </summary>
+        [Category("[3] 格式参数"), DisplayName("质量"), Description("-quality, 取值范围 0-100, 默认值 75")]
+        public int Quality { get => Exporter.Quality; set => Exporter.Quality = value; }
+
+        /// <summary>
+        /// 像素格式
+        /// </summary>
+        [StringEnumConverter.StandardValues("yuv420p", "yuva420p", Customizable = true)]
+        [TypeConverter(typeof(StringEnumConverter))]
+        [Category("[3] 格式参数"), DisplayName("像素格式"), Description("-pix_fmt, 要使用的像素格式")]
+        public string PixelFormat { get => Exporter.PixelFormat; set => Exporter.PixelFormat = value; }
+
+        /// <summary>
+        /// 透明度阈值
+        /// </summary>
+        [Category("[3] 格式参数"), DisplayName("循环次数"), Description("-loop, 循环次数, 0 无限循环, 取值范围 [0, 65535]")]
+        public int Loop { get => Exporter.Loop; set => Exporter.Loop = value; }
+    }
+}