Merge pull request #69 from ww-rm/dev/wpf

Dev/wpf

CHANGELOG.md

@@ -1,5 +1,23 @@
 # CHANGELOG
 
+## v0.15.6
+
+- 修复导出单个的时长错误
+- 修改默认导出背景色为不透明黑色
+
+## v0.15.5
+
+- 修复自定义导出时的画面错误
+- 设置 mp4 像素格式为 yuv420p 避免 windows 默认播放器无法打开
+- 增加预览画面和导出时的速度参数设置
+- 修复一些提示文本错误
+- 导出时自动将分辨率向下调整为 2 的倍数, 避免 yuv420p 格式出错
+
+## v0.15.4
+
+- 修复导出时可能的卡死问题
+- 增加 webp 格式无损压缩参数
+
 ## v0.15.3
 
 - 增加 skel.bytes 后缀识别

NLog.Windows.Wpf/NLog.Windows.Wpf.csproj

@@ -7,7 +7,7 @@
         <TargetFramework>net8.0-windows</TargetFramework>
         <BaseOutputPath>$(SolutionDir)out</BaseOutputPath>
         <IncludeSourceRevisionInInformationalVersion>false</IncludeSourceRevisionInInformationalVersion>
-        <Version>0.15.2</Version>
+        <Version>0.15.4</Version>
         <UseWPF>true</UseWPF>
     </PropertyGroup>
 

README.md

@@ -25,7 +25,7 @@
 - 支持自动分辨率批量导出
 - 支持 FFmpeg 自定义导出
 - 支持程序参数保存
-- ...
+- ......
 
 ### Spine 版本支持
 

SFMLRenderer/SFMLRenderer.csproj

@@ -7,7 +7,7 @@
         <TargetFramework>net8.0-windows</TargetFramework>
         <BaseOutputPath>$(SolutionDir)out</BaseOutputPath>
         <IncludeSourceRevisionInInformationalVersion>false</IncludeSourceRevisionInInformationalVersion>
-        <Version>0.15.2</Version>
+        <Version>0.15.4</Version>
         <UseWPF>true</UseWPF>
     </PropertyGroup>
 

Spine/Exporters/BaseExporter.cs

@@ -31,6 +31,9 @@ namespace Spine.Exporters
         /// <param name="height">画布高像素值</param>
         public BaseExporter(uint width , uint height)
         {
+            // XXX: 强制变成 2 的倍数, 防止像是 yuv420p 这种像素格式报错
+            width = width >> 1 << 1;
+            height = height >> 1 << 1;
             if (width <= 0 || height <= 0)
                 throw new ArgumentException($"Invalid resolution: {width}, {height}");
             _renderTexture = new(width, height);
@@ -42,6 +45,9 @@ namespace Spine.Exporters
         /// </summary>
         public BaseExporter(Vector2u resolution)
         {
+            // XXX: 强制变成 2 的倍数, 防止像是 yuv420p 这种像素格式报错
+            resolution.X = resolution.X >> 1 << 1;
+            resolution.Y = resolution.Y >> 1 << 1;
             if (resolution.X <= 0 || resolution.Y <= 0)
                 throw new ArgumentException($"Invalid resolution: {resolution}");
             _renderTexture = new(resolution.X, resolution.Y);
@@ -76,12 +82,12 @@ namespace Spine.Exporters
                 _backgroundColorPma = bcPma;
             }
         }
-        protected Color _backgroundColor = Color.Transparent;
+        protected Color _backgroundColor = Color.Black;
 
         /// <summary>
         /// 预乘后的背景颜色
         /// </summary>
-        protected Color _backgroundColorPma = Color.Transparent;
+        protected Color _backgroundColorPma = Color.Black;
 
         /// <summary>
         /// 画面分辨率
@@ -92,6 +98,9 @@ namespace Spine.Exporters
             get => _renderTexture.Size;
             set
             {
+                // XXX: 强制变成 2 的倍数, 防止像是 yuv420p 这种像素格式报错
+                value.X = value.X >> 1 << 1;
+                value.Y = value.Y >> 1 << 1;
                 if (value.X <= 0 || value.Y <= 0)
                 {
                     _logger.Warn("Omit invalid exporter resolution: {0}", value);

Spine/Exporters/CustomFFmpegExporter.cs

@@ -1,5 +1,6 @@
 using FFMpegCore;
 using FFMpegCore.Pipes;
+using SFML.Graphics;
 using SFML.System;
 using System;
 using System.Collections.Generic;
@@ -63,6 +64,22 @@ namespace Spine.Exporters
             else options.WithCustomArgument("-vf unpremultiply=inplace=1");
         }
 
+        /// <summary>
+        /// 获取的一帧, 结果是预乘的
+        /// </summary>
+        protected override SFMLImageVideoFrame GetFrame(SpineObject[] spines)
+        {
+            // BUG: 也许和 SFML 多线程或者 FFmpeg 调用有关, 当渲染线程也在运行的时候此处并行渲染会导致和 SFML 有关的内容都卡死
+            // 不知道为什么用 FFmpeg 必须临时创建 RenderTexture, 否则无法正常渲染, 会导致画面帧丢失
+            using var tex = new RenderTexture(_renderTexture.Size.X, _renderTexture.Size.Y);
+            using var view = _renderTexture.GetView();
+            tex.SetView(view);
+            tex.Clear(_backgroundColorPma);
+            foreach (var sp in spines.Reverse()) tex.Draw(sp);
+            tex.Display();
+            return new(tex.Texture.CopyToImage());
+        }
+
         public override void Export(string output, CancellationToken ct, params SpineObject[] spines)
         {
             var videoFramesSource = new RawVideoPipeSource(GetFrames(spines, output, ct)) { FrameRate = _fps };

Spine/Exporters/FFmpegVideoExporter.cs

@@ -51,6 +51,12 @@ namespace Spine.Exporters
         public int Quality { get => _quality; set => _quality = Math.Clamp(value, 0, 100); }
         private int _quality = 75;
 
+        /// <summary>
+        /// 无损压缩 (Webp)
+        /// </summary>
+        public bool Lossless { get => _lossless; set => _lossless = value; }
+        private bool _lossless = false;
+
         /// <summary>
         /// CRF
         /// </summary>
@@ -62,7 +68,8 @@ namespace Spine.Exporters
         /// </summary>
         protected override SFMLImageVideoFrame GetFrame(SpineObject[] spines)
         {
-            // XXX: 不知道为什么用 FFmpeg 必须临时创建 RenderTexture, 否则无法正常渲染
+            // BUG: 也许和 SFML 多线程或者 FFmpeg 调用有关, 当渲染线程也在运行的时候此处并行渲染会导致和 SFML 有关的内容都卡死
+            // 不知道为什么用 FFmpeg 必须临时创建 RenderTexture, 否则无法正常渲染, 会导致画面帧丢失
             using var tex = new RenderTexture(_renderTexture.Size.X, _renderTexture.Size.Y);
             using var view = _renderTexture.GetView();
             tex.SetView(view);
@@ -112,15 +119,17 @@ namespace Spine.Exporters
 
         private void SetWebpOptions(FFMpegArgumentOptions options)
         {
-            var customArgs = $"-vf unpremultiply=inplace=1 -quality {_quality} -loop {(_loop ? 0 : 1)}";
+            var customArgs = $"-vf unpremultiply=inplace=1 -quality {_quality} -loop {(_loop ? 0 : 1)} -lossless {(_lossless ? 1 : 0)}";
             options.ForceFormat("webp").WithVideoCodec("libwebp_anim").ForcePixelFormat("yuva420p")
                 .WithCustomArgument(customArgs);
         }
 
         private void SetMp4Options(FFMpegArgumentOptions options)
         {
+            // XXX: windows 默认播放器在播放 MP4 格式时对于 libx264 编码器只支持 yuv420p 的像素格式
+            // 但是如果是 libx265 则没有该限制
             var customArgs = "-vf unpremultiply=inplace=1";
-            options.ForceFormat("mp4").WithVideoCodec("libx264").ForcePixelFormat("yuv444p")
+            options.ForceFormat("mp4").WithVideoCodec("libx264").ForcePixelFormat("yuv420p")
                 .WithFastStart()
                 .WithConstantRateFactor(_crf)
                 .WithCustomArgument(customArgs);

Spine/Exporters/VideoExporter.cs

@@ -55,6 +55,21 @@ namespace Spine.Exporters
         }
         protected float _fps = 24;
 
+        public float Speed
+        {
+            get => _speed;
+            set
+            {
+                if (_speed <= 0)
+                {
+                    _logger.Warn("Omit invalid speed: {0}", value);
+                    return;
+                }
+                _speed = value;
+            }
+        }
+        protected float _speed = 1f;
+
         /// <summary>
         /// 是否保留最后一帧
         /// </summary>
@@ -92,7 +107,7 @@ namespace Spine.Exporters
             // 导出完整帧
             for (int i = 0; i < total; i++)
             {
-                foreach (var spine in spines) spine.Update(delta);
+                foreach (var spine in spines) spine.Update(delta * _speed);
                 yield return GetFrame(spines);
             }
 
@@ -100,7 +115,7 @@ namespace Spine.Exporters
             if (hasFinal)
             {
                 // XXX: 此处还是按照完整的一帧时长进行更新, 也许可以只更新准确的最后一帧时长
-                foreach (var spine in spines) spine.Update(delta); 
+                foreach (var spine in spines) spine.Update(delta * _speed); 
                 yield return GetFrame(spines);
             }
         }

Spine/Spine.csproj

@@ -7,7 +7,7 @@
         <TargetFramework>net8.0-windows</TargetFramework>
         <BaseOutputPath>$(SolutionDir)out</BaseOutputPath>
         <IncludeSourceRevisionInInformationalVersion>false</IncludeSourceRevisionInInformationalVersion>
-        <Version>0.15.3</Version>
+        <Version>0.15.6</Version>
     </PropertyGroup>
 
     <PropertyGroup>

SpineViewer/Models/WorkspaceModel.cs

@@ -37,6 +37,8 @@ namespace SpineViewer.Models
 
         public uint MaxFps { get; set; } = 30;
 
+        public float Speed { get; set; } = 1f;
+
         public bool ShowAxis { get; set; } = true;
 
         public Color BackgroundColor { get; set; }

SpineViewer/Resources/Strings/en.xaml

@@ -104,6 +104,7 @@
     <s:String x:Key="Str_Zoom">Zoom</s:String>
     <s:String x:Key="Str_Rotation">Rotation (Degrees)</s:String>
     <s:String x:Key="Str_MaxFps">Max FPS</s:String>
+    <s:String x:Key="Str_PlaySpeed">Playback Speed</s:String>
     <s:String x:Key="Str_RenderSelectedOnly">Render Selected Only</s:String>
     <s:String x:Key="Str_ShowAxis">Show Axis</s:String>
     <s:String x:Key="Str_BackgroundColor">Background Color</s:String>
@@ -166,6 +167,8 @@
     <s:String x:Key="Str_ExportDurationTooltip">Export duration; if less than 0, the maximum duration of all animations in all models will be used during export.</s:String>
 
     <s:String x:Key="Str_Fps">FPS</s:String>
+    <s:String x:Key="Str_ExportSpeed">Export Speed</s:String>
+    <s:String x:Key="Str_ExportSpeedTooltip">Export speed factor; only affects the animation speed of the model, not the export duration or frame rate.</s:String>
     <s:String x:Key="Str_KeepLastFrame">Keep Last Frame</s:String>
     <s:String x:Key="Str_KeepLastFrameTooltip">When keeping the last frame, animation is smoother but frame count may be one higher</s:String>
 
@@ -174,6 +177,8 @@
     <s:String x:Key="Str_LoopPlayTooltip">Loop animation; only effective for GIF/WebP formats</s:String>
     <s:String x:Key="Str_QualityParameter">Quality Parameter</s:String>
     <s:String x:Key="Str_QualityParameterTooltip">Range 0–100; higher is better; only for WebP format</s:String>
+    <s:String x:Key="Str_LosslessParam">Lossless Compression</s:String>
+    <s:String x:Key="Str_LosslessParamTooltip">Lossless compression. Ignores the quality parameter and only applies to WebP format.</s:String>
     <s:String x:Key="Str_CrfParameter">CRF Parameter</s:String>
     <s:String x:Key="Str_CrfParameterTooltip">Range 0–63; lower is higher quality; only for MP4/WebM/MKV formats</s:String>
 
@@ -182,7 +187,7 @@
     <s:String x:Key="Str_FFmpegCodec">Codec</s:String>
     <s:String x:Key="Str_FFmpegCodecTooltip">FFmpeg codec (equivalent to "-c:v"), e.g. "libx264", "libx265"</s:String>
     <s:String x:Key="Str_FFmpegPixelFormat">Pixel Format</s:String>
-    <s:String x:Key="Str_FFmpegPixelFormatTooltip">FFmpeg pixel format (equivalent to "-pix_fmt"), e.g. "yuv420", "yuv444"</s:String>
+    <s:String x:Key="Str_FFmpegPixelFormatTooltip">FFmpeg pixel format (equivalent to "-pix_fmt"), e.g. "yuv420p", "yuv444p"</s:String>
     <s:String x:Key="Str_FFmpegBitrate">Bitrate</s:String>
     <s:String x:Key="Str_FFmpegBitrateTooltip">FFmpeg bitrate (equivalent to "-b:v"), e.g. "6K", "2M"</s:String>
     <s:String x:Key="Str_FFmpegFilter">Filter</s:String>

SpineViewer/Resources/Strings/ja.xaml

@@ -104,6 +104,7 @@
     <s:String x:Key="Str_Zoom">ズーム</s:String>
     <s:String x:Key="Str_Rotation">回転（度）</s:String>
     <s:String x:Key="Str_MaxFps">最大FPS</s:String>
+    <s:String x:Key="Str_PlaySpeed">再生速度</s:String>
     <s:String x:Key="Str_RenderSelectedOnly">選択のみレンダリング</s:String>
     <s:String x:Key="Str_ShowAxis">座標軸を表示</s:String>
     <s:String x:Key="Str_BackgroundColor">背景色</s:String>
@@ -166,6 +167,8 @@
     <s:String x:Key="Str_ExportDurationTooltip">エクスポート時間。0 未満の場合、エクスポート時にすべてのモデルのすべてのアニメーションの最大時間が使用されます。</s:String>
 
     <s:String x:Key="Str_Fps">FPS</s:String>
+    <s:String x:Key="Str_ExportSpeed">エクスポート速度</s:String>
+    <s:String x:Key="Str_ExportSpeedTooltip">エクスポート速度係数。モデルの動作速度のみに影響し、エクスポート時間やフレームレートなどには影響しません。</s:String>
     <s:String x:Key="Str_KeepLastFrame">最後のフレームを保持</s:String>
     <s:String x:Key="Str_KeepLastFrameTooltip">最後のフレームを保持すると、アニメーションはより連続して見えますが、フレーム数が予想より1フレーム多くなる可能性があります</s:String>
 
@@ -174,6 +177,8 @@
     <s:String x:Key="Str_LoopPlayTooltip">アニメーションをループ再生するか。Gif/Webp形式のみ有効です</s:String>
     <s:String x:Key="Str_QualityParameter">品質パラメーター</s:String>
     <s:String x:Key="Str_QualityParameterTooltip">品質パラメーター。値の範囲は0-100。数値が大きいほど品質が高くなります。Webp形式のみ有効です</s:String>
+    <s:String x:Key="Str_LosslessParam">可逆圧縮</s:String>
+    <s:String x:Key="Str_LosslessParamTooltip">可逆圧縮を行います。品質パラメータは無視され、WebP形式にのみ適用されます。</s:String>
     <s:String x:Key="Str_CrfParameter">CRFパラメーター</s:String>
     <s:String x:Key="Str_CrfParameterTooltip">CRFパラメーター。値の範囲は0-63。数値が小さいほど品質が高くなります。Mp4/Webm/Mkv形式のみ有効です</s:String>
 
@@ -182,7 +187,7 @@
     <s:String x:Key="Str_FFmpegCodec">コーデック</s:String>
     <s:String x:Key="Str_FFmpegCodecTooltip">FFmpegコーデック。パラメーター“-c:v”に相当します。例: “libx264”、“libx265”</s:String>
     <s:String x:Key="Str_FFmpegPixelFormat">ピクセルフォーマット</s:String>
-    <s:String x:Key="Str_FFmpegPixelFormatTooltip">FFmpegピクセルフォーマット。パラメーター“-pix_fmt”に相当します。例: “yuv420”、“yuv444”</s:String>
+    <s:String x:Key="Str_FFmpegPixelFormatTooltip">FFmpegピクセルフォーマット。パラメーター“-pix_fmt”に相当します。例: “yuv420p”、“yuv444p”</s:String>
     <s:String x:Key="Str_FFmpegBitrate">ビットレート</s:String>
     <s:String x:Key="Str_FFmpegBitrateTooltip">FFmpegビットレート。パラメーター“-b:v”に相当します。例: “6K”、“2M”</s:String>
     <s:String x:Key="Str_FFmpegFilter">フィルター</s:String>

SpineViewer/Resources/Strings/zh.xaml

@@ -104,6 +104,7 @@
     <s:String x:Key="Str_Zoom">缩放</s:String>
     <s:String x:Key="Str_Rotation">旋转（角度）</s:String>
     <s:String x:Key="Str_MaxFps">最大帧率</s:String>
+    <s:String x:Key="Str_PlaySpeed">播放速度</s:String>
     <s:String x:Key="Str_RenderSelectedOnly">仅渲染选中</s:String>
     <s:String x:Key="Str_ShowAxis">显示坐标轴</s:String>
     <s:String x:Key="Str_BackgroundColor">背景颜色</s:String>
@@ -166,6 +167,8 @@
     <s:String x:Key="Str_ExportDurationTooltip">导出时长，如果小于 0，则在导出时使用所有模型所有动画的最大时长</s:String>
 
     <s:String x:Key="Str_Fps">帧率</s:String>
+    <s:String x:Key="Str_ExportSpeed">导出速度</s:String>
+    <s:String x:Key="Str_ExportSpeedTooltip">导出速度因子, 仅影响模型的动作速度, 不影响导出时长和帧率等参数</s:String>
     <s:String x:Key="Str_KeepLastFrame">保留最后一帧</s:String>
     <s:String x:Key="Str_KeepLastFrameTooltip">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</s:String>
 
@@ -173,7 +176,9 @@
     <s:String x:Key="Str_LoopPlay">循环播放</s:String>
     <s:String x:Key="Str_LoopPlayTooltip">动图是否循环播放，仅对 Gif/Webp 格式生效</s:String>
     <s:String x:Key="Str_QualityParameter">质量参数</s:String>
-    <s:String x:Key="Str_QualityParameterTooltip">质量参数，取值范围 0-100，越高质量越好 仅对 Webp 格式生效</s:String>
+    <s:String x:Key="Str_QualityParameterTooltip">质量参数，取值范围 0-100，越高质量越好, 仅对 Webp 格式生效</s:String>
+    <s:String x:Key="Str_LosslessParam">无损压缩</s:String>
+    <s:String x:Key="Str_LosslessParamTooltip">无损压缩, 会忽略质量参数, 仅对 Webp 格式生效</s:String>
     <s:String x:Key="Str_CrfParameter">CRF 参数</s:String>
     <s:String x:Key="Str_CrfParameterTooltip">CRF 参数，取值范围 0-63，越小质量越高，仅对 Mp4/Webm/Mkv 格式生效</s:String>
 
@@ -182,7 +187,7 @@
     <s:String x:Key="Str_FFmpegCodec">编码器</s:String>
     <s:String x:Key="Str_FFmpegCodecTooltip">FFmpeg 编码器，等价于参数 “-c:v”，例如 “libx264”、“libx265”</s:String>
     <s:String x:Key="Str_FFmpegPixelFormat">像素格式</s:String>
-    <s:String x:Key="Str_FFmpegPixelFormatTooltip">FFmpeg 像素格式，等价于参数 “-pix_fmt”，例如 “yuv420”、“yuv444”</s:String>
+    <s:String x:Key="Str_FFmpegPixelFormatTooltip">FFmpeg 像素格式，等价于参数 “-pix_fmt”，例如 “yuv420p”、“yuv444p”</s:String>
     <s:String x:Key="Str_FFmpegBitrate">比特率</s:String>
     <s:String x:Key="Str_FFmpegBitrateTooltip">FFmpeg 比特率，等价于参数 “-b:v”，例如 “6K”、“2M”</s:String>
     <s:String x:Key="Str_FFmpegFilter">滤镜</s:String>

SpineViewer/SpineViewer.csproj

@@ -7,7 +7,7 @@
         <TargetFramework>net8.0-windows</TargetFramework>
         <BaseOutputPath>$(SolutionDir)out</BaseOutputPath>
         <IncludeSourceRevisionInInformationalVersion>false</IncludeSourceRevisionInInformationalVersion>
-        <Version>0.15.3</Version>
+        <Version>0.15.6</Version>
         <OutputType>WinExe</OutputType>
         <UseWPF>true</UseWPF>
     </PropertyGroup>

SpineViewer/ViewModels/Exporters/BaseExporterViewModel.cs

@@ -54,7 +54,7 @@ namespace SpineViewer.ViewModels.Exporters
         /// 背景颜色
         /// </summary>
         public Color BackgroundColor { get => _backgroundColor; set => SetProperty(ref _backgroundColor, value); }
-        protected Color _backgroundColor = Color.FromArgb(0, 0, 0, 0);
+        protected Color _backgroundColor = Color.FromArgb(255, 0, 0, 0);
 
         /// <summary>
         /// 四周边缘距离
@@ -142,7 +142,6 @@ namespace SpineViewer.ViewModels.Exporters
         {
             if (!Export_CanExecute(args)) return;
             Export(args.Cast<SpineObjectModel>().ToArray());
-            // XXX: 导出途中应该停掉渲染好一些, 让性能专注在导出上
         }
 
         private bool Export_CanExecute(IList? args)

SpineViewer/ViewModels/Exporters/CustomFFmpegExporterViewModel.cs

@@ -64,6 +64,7 @@ namespace SpineViewer.ViewModels.Exporters
             {
                 BackgroundColor = new(_backgroundColor.R, _backgroundColor.G, _backgroundColor.B, _backgroundColor.A),
                 Fps = _fps,
+                Speed = _speed,
                 KeepLast = _keepLast,
                 Format = _format,
                 Codec = _codec,
@@ -83,13 +84,15 @@ namespace SpineViewer.ViewModels.Exporters
                 exporter.Rotation = view.Rotation;
             }
 
+            _vmMain.SFMLRendererViewModel.StopRender();
+
             if (_exportSingle)
             {
                 var filename = $"ffmpeg_{timestamp}_{Guid.NewGuid().ToString()[..6]}_{_fps}{FormatSuffix}";
                 var output = Path.Combine(_outputDir!, filename);
 
                 if (_autoResolution) SetAutoResolutionAnimated(exporter, spines);
-                if (_duration < 0) exporter.Duration = spines.Select(sp => sp.GetAnimationMaxDuration()).DefaultIfEmpty(0).Max();
+                exporter.Duration = _duration >= 0 ? _duration : spines.Select(sp => sp.GetAnimationMaxDuration()).DefaultIfEmpty(0).Max();
 
                 exporter.ProgressReporter = (total, done, text) =>
                 {
@@ -168,6 +171,8 @@ namespace SpineViewer.ViewModels.Exporters
                 }
                 _vmMain.ProgressState = System.Windows.Shell.TaskbarItemProgressState.None;
             }
+
+            _vmMain.SFMLRendererViewModel.StartRender();
         }
     }
 }

SpineViewer/ViewModels/Exporters/FFmpegVideoExporterViewModel.cs

@@ -29,6 +29,9 @@ namespace SpineViewer.ViewModels.Exporters
         public int Quality { get => _quality; set => SetProperty(ref _quality, Math.Clamp(value, 0, 100)); }
         protected int _quality = 75;
 
+        public bool Lossless { get => _lossless; set => SetProperty(ref _lossless, value); }
+        protected bool _lossless = false;
+
         public int Crf { get => _crf; set => SetProperty(ref _crf, Math.Clamp(value, 0, 63)); }
         protected int _crf = 23;
 
@@ -51,10 +54,12 @@ namespace SpineViewer.ViewModels.Exporters
             {
                 BackgroundColor = new(_backgroundColor.R, _backgroundColor.G, _backgroundColor.B, _backgroundColor.A),
                 Fps = _fps,
+                Speed = _speed,
                 KeepLast = _keepLast,
                 Format = _format,
                 Loop = _loop,
                 Quality = _quality,
+                Lossless = _lossless,
                 Crf = _crf
             };
 
@@ -68,13 +73,17 @@ namespace SpineViewer.ViewModels.Exporters
                 exporter.Rotation = view.Rotation;
             }
 
+            // BUG: FFmpeg 导出时对 RenderTexture 的频繁资源申请释放似乎使 SFML 库内部出现问题, 会卡死所有使用 SFML 的地方, 包括渲染线程
+            // 所以临时把渲染线程停掉, 只让此处使用 SFML 资源, 这个问题或许和多个线程同时使用渲染资源有关
+            _vmMain.SFMLRendererViewModel.StopRender();
+
             if (_exportSingle)
             {
                 var filename = $"video_{timestamp}_{Guid.NewGuid().ToString()[..6]}_{_fps}{FormatSuffix}";
                 var output = Path.Combine(_outputDir!, filename);
 
                 if (_autoResolution) SetAutoResolutionAnimated(exporter, spines);
-                if (_duration < 0) exporter.Duration = spines.Select(sp => sp.GetAnimationMaxDuration()).DefaultIfEmpty(0).Max();
+                exporter.Duration = _duration >= 0 ? _duration : spines.Select(sp => sp.GetAnimationMaxDuration()).DefaultIfEmpty(0).Max();
 
                 exporter.ProgressReporter = (total, done, text) =>
                 {
@@ -153,6 +162,8 @@ namespace SpineViewer.ViewModels.Exporters
                 }
                 _vmMain.ProgressState = System.Windows.Shell.TaskbarItemProgressState.None;
             }
+
+            _vmMain.SFMLRendererViewModel.StartRender();
         }
     }
 }

SpineViewer/ViewModels/Exporters/FrameSequenceExporterViewModel.cs

@@ -34,6 +34,7 @@ namespace SpineViewer.ViewModels.Exporters
             {
                 BackgroundColor = new(_backgroundColor.R, _backgroundColor.G, _backgroundColor.B, _backgroundColor.A),
                 Fps = _fps,
+                Speed = _speed,
                 KeepLast = _keepLast
             };
 
@@ -47,18 +48,20 @@ namespace SpineViewer.ViewModels.Exporters
                 exporter.Rotation = view.Rotation;
             }
 
+            _vmMain.SFMLRendererViewModel.StopRender();
+
             if (_exportSingle)
             {
                 var folderName = $"frames_{timestamp}_{Guid.NewGuid().ToString()[..6]}_{_fps}";
                 var output = Path.Combine(_outputDir!, folderName);
 
                 if (_autoResolution) SetAutoResolutionAnimated(exporter, spines);
-                if (_duration < 0) exporter.Duration = spines.Select(sp => sp.GetAnimationMaxDuration()).DefaultIfEmpty(0).Max();
+                exporter.Duration = _duration >= 0 ? _duration : spines.Select(sp => sp.GetAnimationMaxDuration()).DefaultIfEmpty(0).Max();
 
                 exporter.ProgressReporter = (total, done, text) =>
                 {
-                    pr.Total = total; 
-                    pr.Done = done; 
+                    pr.Total = total;
+                    pr.Done = done;
                     pr.ProgressText = text;
                     _vmMain.ProgressValue = pr.Done / pr.Total;
                 };
@@ -132,6 +135,8 @@ namespace SpineViewer.ViewModels.Exporters
                 }
                 _vmMain.ProgressState = System.Windows.Shell.TaskbarItemProgressState.None;
             }
+
+            _vmMain.SFMLRendererViewModel.StartRender();
         }
     }
 }

SpineViewer/ViewModels/Exporters/VideoExporterViewModel.cs

@@ -16,6 +16,9 @@ namespace SpineViewer.ViewModels.Exporters
         public uint Fps { get => _fps; set => SetProperty(ref _fps, Math.Max(1, value)); }
         protected uint _fps = 30;
 
+        public float  Speed { get => _speed; set => SetProperty(ref _speed, Math.Clamp(value, 0.001f, 1000f)); }
+        protected float _speed = 1f;
+
         public bool KeepLast { get => _keepLast; set => SetProperty(ref _keepLast, value); }
         protected bool _keepLast = true;
     }

SpineViewer/ViewModels/MainWindow/SFMLRendererViewModel.cs

@@ -140,6 +140,13 @@ namespace SpineViewer.ViewModels.MainWindow
             set => SetProperty(_renderer.MaxFps, value, v => _renderer.MaxFps = value);
         }
 
+        public float Speed
+        {
+            get => _speed;
+            set => SetProperty(ref _speed, Math.Clamp(value, 0.01f, 100f));
+        }
+        private float _speed = 1f;
+
         public bool ShowAxis
         {
             get => _showAxis;
@@ -193,15 +200,15 @@ namespace SpineViewer.ViewModels.MainWindow
         });
         private RelayCommand? _cmd_Restart;
 
-        public RelayCommand Cmd_ForwardStep => _cmd_ForwardStep ??= new(() => 
-        { 
-            lock (_forwardDeltaLock) _forwardDelta += _renderer.MaxFps > 0 ? 1f / _renderer.MaxFps : 0.001f; 
+        public RelayCommand Cmd_ForwardStep => _cmd_ForwardStep ??= new(() =>
+        {
+            lock (_forwardDeltaLock) _forwardDelta += _renderer.MaxFps > 0 ? 1f / _renderer.MaxFps : 0.001f;
         });
         private RelayCommand? _cmd_ForwardStep;
 
         public RelayCommand Cmd_ForwardFast => _cmd_ForwardFast ??= new(() =>
-        { 
-            lock (_forwardDeltaLock) _forwardDelta += _renderer.MaxFps > 0 ? 10f / _renderer.MaxFps : 0.01f; 
+        {
+            lock (_forwardDeltaLock) _forwardDelta += _renderer.MaxFps > 0 ? 10f / _renderer.MaxFps : 0.01f;
         });
         private RelayCommand? _cmd_ForwardFast;
 
@@ -390,7 +397,7 @@ namespace SpineViewer.ViewModels.MainWindow
                             if (_cancelToken?.IsCancellationRequested ?? true) break; // 提前中止
 
                             sp.Update(0); // 避免物理效果出现问题
-                            sp.Update(delta);
+                            sp.Update(delta * _speed);
 
                             // 为选中对象绘制一个半透明背景
                             if (sp.IsSelected)
@@ -426,7 +433,7 @@ namespace SpineViewer.ViewModels.MainWindow
         }
 
         public RendererWorkspaceConfigModel WorkspaceConfig
-        { 
+        {
             // TODO: 背景图片
             get
             {
@@ -441,23 +448,25 @@ namespace SpineViewer.ViewModels.MainWindow
                     FlipX = FlipX,
                     FlipY = FlipY,
                     MaxFps = MaxFps,
+                    Speed = Speed,
                     ShowAxis = ShowAxis,
                     BackgroundColor = BackgroundColor,
                 };
             }
             set
             {
-               ResolutionX = value.ResolutionX;
-               ResolutionY = value.ResolutionY;
-               CenterX = value.CenterX;
-               CenterY = value.CenterY;
-               Zoom = value.Zoom;
-               Rotation = value.Rotation;
-               FlipX = value.FlipX;
-               FlipY = value.FlipY;
-               MaxFps = value.MaxFps;
-               ShowAxis = value.ShowAxis;
-               BackgroundColor = value.BackgroundColor;
+                ResolutionX = value.ResolutionX;
+                ResolutionY = value.ResolutionY;
+                CenterX = value.CenterX;
+                CenterY = value.CenterY;
+                Zoom = value.Zoom;
+                Rotation = value.Rotation;
+                FlipX = value.FlipX;
+                FlipY = value.FlipY;
+                MaxFps = value.MaxFps;
+                Speed = value.Speed;
+                ShowAxis = value.ShowAxis;
+                BackgroundColor = value.BackgroundColor;
             }
         }
     }

SpineViewer/ViewModels/MainWindow/SpineObjectListViewModel.cs

@@ -101,7 +101,7 @@ namespace SpineViewer.ViewModels.MainWindow
 
         private void AddSpineObject_Execute()
         {
-            MessagePopupService.Info("Not Implemented, try next version :)");
+            MessagePopupService.Info("Not Implemented, please drag files into here or add them from clipboard :)");
         }
 
         /// <summary>

SpineViewer/Views/ExporterDialogs/CustomFFmpegExporterDialog.xaml

@@ -67,6 +67,7 @@
                         <RowDefinition Height="Auto"/>
                         <RowDefinition Height="Auto"/>
                         <RowDefinition Height="Auto"/>
+                        <RowDefinition Height="Auto"/>
                         <RowDefinition Height="60"/>
                     </Grid.RowDefinitions>
 
@@ -122,38 +123,42 @@
                     <Label Grid.Row="10" Grid.Column="0" Content="{DynamicResource Str_Fps}"/>
                     <TextBox Grid.Row="10" Grid.Column="1" Text="{Binding Fps}"/>
 
-                    <!-- 是否保留最后一帧 -->
-                    <Label Grid.Row="11" Grid.Column="0" Content="{DynamicResource Str_KeepLastFrame}" ToolTip="{DynamicResource Str_KeepLastFrameTooltip}"/>
-                    <ToggleButton Grid.Row="11" Grid.Column="1" IsChecked="{Binding KeepLast}" ToolTip="{DynamicResource Str_KeelLastFrameTooltip}"/>
+                    <!-- 导出速度 -->
+                    <Label Grid.Row="11" Grid.Column="0" Content="{DynamicResource Str_ExportSpeed}" ToolTip="{DynamicResource Str_ExportSpeedTooltip}"/>
+                    <TextBox Grid.Row="11" Grid.Column="1" Text="{Binding Speed}" ToolTip="{DynamicResource Str_ExportSpeedTooltip}"/>
 
-                    <Separator Grid.Row="12" Grid.ColumnSpan="2" Height="10"/>
+                    <!-- 是否保留最后一帧 -->
+                    <Label Grid.Row="12" Grid.Column="0" Content="{DynamicResource Str_KeepLastFrame}" ToolTip="{DynamicResource Str_KeepLastFrameTooltip}"/>
+                    <ToggleButton Grid.Row="12" Grid.Column="1" IsChecked="{Binding KeepLast}" ToolTip="{DynamicResource Str_KeelLastFrameTooltip}"/>
+
+                    <Separator Grid.Row="13" Grid.ColumnSpan="2" Height="10"/>
 
                     <!-- 导出格式 -->
-                    <Label Grid.Row="13" Grid.Column="0" Content="{DynamicResource Str_FFmpegFormat}" ToolTip="{DynamicResource Str_FFmpegFormatTooltip}"/>
-                    <TextBox Grid.Row="13" Grid.Column="1" Text="{Binding Format}" ToolTip="{DynamicResource Str_FFmpegFormatTooltip}"/>
+                    <Label Grid.Row="14" Grid.Column="0" Content="{DynamicResource Str_FFmpegFormat}" ToolTip="{DynamicResource Str_FFmpegFormatTooltip}"/>
+                    <TextBox Grid.Row="14" Grid.Column="1" Text="{Binding Format}" ToolTip="{DynamicResource Str_FFmpegFormatTooltip}"/>
 
                     <!-- 编码器 -->
-                    <Label Grid.Row="14" Grid.Column="0" Content="{DynamicResource Str_FFmpegCodec}" ToolTip="{DynamicResource Str_FFmpegCodecTooltip}"/>
-                    <TextBox Grid.Row="14" Grid.Column="1" Text="{Binding Codec}" ToolTip="{DynamicResource Str_FFmpegCodecTooltip}"/>
+                    <Label Grid.Row="15" Grid.Column="0" Content="{DynamicResource Str_FFmpegCodec}" ToolTip="{DynamicResource Str_FFmpegCodecTooltip}"/>
+                    <TextBox Grid.Row="15" Grid.Column="1" Text="{Binding Codec}" ToolTip="{DynamicResource Str_FFmpegCodecTooltip}"/>
 
                     <!-- 像素格式 -->
-                    <Label Grid.Row="15" Grid.Column="0" Content="{DynamicResource Str_FFmpegPixelFormat}" ToolTip="{DynamicResource Str_FFmpegPixelFormatTooltip}"/>
-                    <TextBox Grid.Row="15" Grid.Column="1" Text="{Binding PixelFormat}" ToolTip="{DynamicResource Str_FFmpegPixelFormatTooltip}"/>
+                    <Label Grid.Row="16" Grid.Column="0" Content="{DynamicResource Str_FFmpegPixelFormat}" ToolTip="{DynamicResource Str_FFmpegPixelFormatTooltip}"/>
+                    <TextBox Grid.Row="16" Grid.Column="1" Text="{Binding PixelFormat}" ToolTip="{DynamicResource Str_FFmpegPixelFormatTooltip}"/>
 
                     <!-- 比特率 -->
-                    <Label Grid.Row="16" Grid.Column="0" Content="{DynamicResource Str_FFmpegBitrate}" ToolTip="{DynamicResource Str_FFmpegBitrateTooltip}"/>
-                    <TextBox Grid.Row="16" Grid.Column="1" Text="{Binding Bitrate}" ToolTip="{DynamicResource Str_FFmpegBitrateTooltip}"/>
+                    <Label Grid.Row="17" Grid.Column="0" Content="{DynamicResource Str_FFmpegBitrate}" ToolTip="{DynamicResource Str_FFmpegBitrateTooltip}"/>
+                    <TextBox Grid.Row="17" Grid.Column="1" Text="{Binding Bitrate}" ToolTip="{DynamicResource Str_FFmpegBitrateTooltip}"/>
 
                     <!-- 滤镜 -->
-                    <Label Grid.Row="17" Grid.Column="0" Content="{DynamicResource Str_FFmpegFilter}" ToolTip="{DynamicResource Str_FFmpegFilterTooltip}"/>
-                    <TextBox Grid.Row="17" Grid.Column="1" Text="{Binding Filter}" ToolTip="{DynamicResource Str_FFmpegFilterTooltip}"/>
+                    <Label Grid.Row="18" Grid.Column="0" Content="{DynamicResource Str_FFmpegFilter}" ToolTip="{DynamicResource Str_FFmpegFilterTooltip}"/>
+                    <TextBox Grid.Row="18" Grid.Column="1" Text="{Binding Filter}" ToolTip="{DynamicResource Str_FFmpegFilterTooltip}"/>
 
                     <!-- 自定义参数 -->
-                    <Label Grid.Row="18" Grid.Column="0"
+                    <Label Grid.Row="19" Grid.Column="0"
                            VerticalAlignment="Top"
                            Content="{DynamicResource Str_FFmpegCustomArgs}" 
                            ToolTip="{DynamicResource Str_FFmpegCustomArgsTooltip}"/>
-                    <TextBox Grid.Row="18" Grid.Column="1"
+                    <TextBox Grid.Row="19" Grid.Column="1"
                              HorizontalContentAlignment="Left"
                              VerticalContentAlignment="Top"
                              TextWrapping="Wrap"

SpineViewer/Views/ExporterDialogs/FFmpegVideoExporterDialog.xaml

@@ -9,7 +9,7 @@
         mc:Ignorable="d"
         Title="{DynamicResource Str_FFmpegVideoExporterTitle}"
         Width="450"
-        Height="550"
+        Height="580"
         ShowInTaskbar="False"
         WindowStartupLocation="CenterOwner">
     <DockPanel>
@@ -66,6 +66,8 @@
                         <RowDefinition Height="Auto"/>
                         <RowDefinition Height="Auto"/>
                         <RowDefinition Height="Auto"/>
+                        <RowDefinition Height="Auto"/>
+                        <RowDefinition Height="Auto"/>
                     </Grid.RowDefinitions>
 
                     <!-- 水平分辨率 -->
@@ -120,27 +122,35 @@
                     <Label Grid.Row="10" Grid.Column="0" Content="{DynamicResource Str_Fps}"/>
                     <TextBox Grid.Row="10" Grid.Column="1" Text="{Binding Fps}"/>
 
-                    <!-- 是否保留最后一帧 -->
-                    <Label Grid.Row="11" Grid.Column="0" Content="{DynamicResource Str_KeepLastFrame}" ToolTip="{DynamicResource Str_KeepLastFrameTooltip}"/>
-                    <ToggleButton Grid.Row="11" Grid.Column="1" IsChecked="{Binding KeepLast}" ToolTip="{DynamicResource Str_KeelLastFrameTooltip}"/>
+                    <!-- 导出速度 -->
+                    <Label Grid.Row="11" Grid.Column="0" Content="{DynamicResource Str_ExportSpeed}" ToolTip="{DynamicResource Str_ExportSpeedTooltip}"/>
+                    <TextBox Grid.Row="11" Grid.Column="1" Text="{Binding Speed}" ToolTip="{DynamicResource Str_ExportSpeedTooltip}"/>
 
-                    <Separator Grid.Row="12" Grid.ColumnSpan="2" Height="10"/>
+                    <!-- 是否保留最后一帧 -->
+                    <Label Grid.Row="12" Grid.Column="0" Content="{DynamicResource Str_KeepLastFrame}" ToolTip="{DynamicResource Str_KeepLastFrameTooltip}"/>
+                    <ToggleButton Grid.Row="12" Grid.Column="1" IsChecked="{Binding KeepLast}" ToolTip="{DynamicResource Str_KeelLastFrameTooltip}"/>
+
+                    <Separator Grid.Row="13" Grid.ColumnSpan="2" Height="10"/>
 
                     <!-- 视频格式 -->
-                    <Label Grid.Row="13" Grid.Column="0" Content="{DynamicResource Str_VideoFormat}"/>
-                    <ComboBox Grid.Row="13" Grid.Column="1" SelectedItem="{Binding Format}" ItemsSource="{Binding VideoFormatOptions}"/>
+                    <Label Grid.Row="14" Grid.Column="0" Content="{DynamicResource Str_VideoFormat}"/>
+                    <ComboBox Grid.Row="14" Grid.Column="1" SelectedItem="{Binding Format}" ItemsSource="{Binding VideoFormatOptions}"/>
 
                     <!-- 动图是否循环 -->
-                    <Label Grid.Row="14" Grid.Column="0" Content="{DynamicResource Str_LoopPlay}" ToolTip="{DynamicResource Str_LoopPlayTooltip}"/>
-                    <ToggleButton Grid.Row="14" Grid.Column="1" IsChecked="{Binding Loop}" ToolTip="{DynamicResource Str_LoopPlayTooltip}"/>
+                    <Label Grid.Row="15" Grid.Column="0" Content="{DynamicResource Str_LoopPlay}" ToolTip="{DynamicResource Str_LoopPlayTooltip}"/>
+                    <ToggleButton Grid.Row="15" Grid.Column="1" IsChecked="{Binding Loop}" ToolTip="{DynamicResource Str_LoopPlayTooltip}"/>
 
                     <!-- 质量参数 -->
-                    <Label Grid.Row="15" Grid.Column="0" Content="{DynamicResource Str_QualityParameter}" ToolTip="{DynamicResource Str_QualityParameterTooltip}"/>
-                    <TextBox Grid.Row="15" Grid.Column="1" Text="{Binding Quality}" ToolTip="{DynamicResource Str_QualityParameterTooltip}"/>
+                    <Label Grid.Row="16" Grid.Column="0" Content="{DynamicResource Str_QualityParameter}" ToolTip="{DynamicResource Str_QualityParameterTooltip}"/>
+                    <TextBox Grid.Row="16" Grid.Column="1" Text="{Binding Quality}" ToolTip="{DynamicResource Str_QualityParameterTooltip}"/>
+
+                    <!-- 无损压缩 -->
+                    <Label Grid.Row="17" Grid.Column="0" Content="{DynamicResource Str_LosslessParam}" ToolTip="{DynamicResource Str_LosslessParamTooltip}"/>
+                    <ToggleButton Grid.Row="17" Grid.Column="1" IsChecked="{Binding Lossless}" ToolTip="{DynamicResource Str_LosslessParamTooltip}"/>
 
                     <!-- CRF 参数 -->
-                    <Label Grid.Row="16" Grid.Column="0" Content="{DynamicResource Str_CrfParameter}" ToolTip="{DynamicResource Str_CrfParameterTooltip}"/>
-                    <TextBox Grid.Row="16" Grid.Column="1" Text="{Binding Crf}" ToolTip="{DynamicResource Str_CrfParameterTooltip}"/>
+                    <Label Grid.Row="18" Grid.Column="0" Content="{DynamicResource Str_CrfParameter}" ToolTip="{DynamicResource Str_CrfParameterTooltip}"/>
+                    <TextBox Grid.Row="18" Grid.Column="1" Text="{Binding Crf}" ToolTip="{DynamicResource Str_CrfParameterTooltip}"/>
                 </Grid>
             </ScrollViewer>
            

SpineViewer/Views/ExporterDialogs/FrameSequenceExporterDialog.xaml

@@ -62,6 +62,7 @@
                         <RowDefinition Height="Auto"/>
                         <RowDefinition Height="Auto"/>
                         <RowDefinition Height="Auto"/>
+                        <RowDefinition Height="Auto"/>
                     </Grid.RowDefinitions>
 
                     <!-- 水平分辨率 -->
@@ -116,9 +117,13 @@
                     <Label Grid.Row="10" Grid.Column="0" Content="{DynamicResource Str_Fps}"/>
                     <TextBox Grid.Row="10" Grid.Column="1" Text="{Binding Fps}"/>
 
+                    <!-- 导出速度 -->
+                    <Label Grid.Row="11" Grid.Column="0" Content="{DynamicResource Str_ExportSpeed}" ToolTip="{DynamicResource Str_ExportSpeedTooltip}"/>
+                    <TextBox Grid.Row="11" Grid.Column="1" Text="{Binding Speed}" ToolTip="{DynamicResource Str_ExportSpeedTooltip}"/>
+
                     <!-- 是否保留最后一帧 -->
-                    <Label Grid.Row="11" Grid.Column="0" Content="{DynamicResource Str_KeepLastFrame}" ToolTip="{DynamicResource Str_KeepLastFrameTooltip}"/>
-                    <ToggleButton Grid.Row="11" Grid.Column="1" IsChecked="{Binding KeepLast}" ToolTip="{DynamicResource Str_KeelLastFrameTooltip}"/>
+                    <Label Grid.Row="12" Grid.Column="0" Content="{DynamicResource Str_KeepLastFrame}" ToolTip="{DynamicResource Str_KeepLastFrameTooltip}"/>
+                    <ToggleButton Grid.Row="12" Grid.Column="1" IsChecked="{Binding KeepLast}" ToolTip="{DynamicResource Str_KeelLastFrameTooltip}"/>
                 </Grid>
             </ScrollViewer>
         </Border>

SpineViewer/Views/MainWindow.xaml

@@ -693,6 +693,7 @@
                                         <RowDefinition Height="Auto"/>
                                         <RowDefinition Height="Auto"/>
                                         <RowDefinition Height="Auto"/>
+                                        <RowDefinition Height="Auto"/>
                                     </Grid.RowDefinitions>
 
                                     <!-- 水平分辨率 -->
@@ -731,13 +732,17 @@
                                     <Label Grid.Row="8" Grid.Column="0" Content="{DynamicResource Str_MaxFps}"/>
                                     <TextBox Grid.Row="8" Grid.Column="1" Text="{Binding MaxFps}"/>
 
+                                    <!-- 播放速度 -->
+                                    <Label Grid.Row="9" Grid.Column="0" Content="{DynamicResource Str_PlaySpeed}"/>
+                                    <TextBox Grid.Row="9" Grid.Column="1" Text="{Binding Speed}"/>
+
                                     <!-- 显示坐标轴 -->
-                                    <Label Grid.Row="9" Grid.Column="0" Content="{DynamicResource Str_ShowAxis}"/>
-                                    <ToggleButton Grid.Row="9" Grid.Column="1" IsChecked="{Binding ShowAxis}"/>
+                                    <Label Grid.Row="10" Grid.Column="0" Content="{DynamicResource Str_ShowAxis}"/>
+                                    <ToggleButton Grid.Row="10" Grid.Column="1" IsChecked="{Binding ShowAxis}"/>
 
                                     <!-- 背景颜色 -->
-                                    <Label Grid.Row="10" Grid.Column="0" Content="{DynamicResource Str_BackgroundColor}" ToolTip="#AARRGGBB"/>
-                                    <TextBox Grid.Row="10" Grid.Column="1" Text="{Binding BackgroundColor}" ToolTip="#AARRGGBB"/>
+                                    <Label Grid.Row="11" Grid.Column="0" Content="{DynamicResource Str_BackgroundColor}" ToolTip="#AARRGGBB"/>
+                                    <TextBox Grid.Row="11" Grid.Column="1" Text="{Binding BackgroundColor}" ToolTip="#AARRGGBB"/>
                                     
                                     <!-- 背景图案 -->
                                     <!-- 背景图案模式 -->