修复自定义导出问题
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@@ -1,5 +1,6 @@
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using FFMpegCore;
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using FFMpegCore.Pipes;
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using SFML.Graphics;
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using SFML.System;
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using System;
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using System.Collections.Generic;
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@@ -63,6 +64,22 @@ namespace Spine.Exporters
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else options.WithCustomArgument("-vf unpremultiply=inplace=1");
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}
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/// <summary>
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/// 获取的一帧, 结果是预乘的
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/// </summary>
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protected override SFMLImageVideoFrame GetFrame(SpineObject[] spines)
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{
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// 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
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// 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
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using var tex = new RenderTexture(_renderTexture.Size.X, _renderTexture.Size.Y);
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using var view = _renderTexture.GetView();
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tex.SetView(view);
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tex.Clear(_backgroundColorPma);
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foreach (var sp in spines.Reverse()) tex.Draw(sp);
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tex.Display();
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return new(tex.Texture.CopyToImage());
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}
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public override void Export(string output, CancellationToken ct, params SpineObject[] spines)
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{
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var videoFramesSource = new RawVideoPipeSource(GetFrames(spines, output, ct)) { FrameRate = _fps };
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