small change

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; }
+    }
+}