代码修改后的版本，全部提交

TencentCloud/Vod/V20180717/Models/ComposeMediaTaskInput.cs

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+/*
+ * Copyright (c) 2018 THL A29 Limited, a Tencent company. All Rights Reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+namespace TencentCloud.Vod.V20180717.Models
+{
+    using Newtonsoft.Json;
+    using System.Collections.Generic;
+    using TencentCloud.Common;
+
+    public class ComposeMediaTaskInput : AbstractModel
+    {
+        
+        /// <summary>
+        /// 输入的媒体轨道列表，包括视频、音频、图片等素材组成的多个轨道信息。
+        /// </summary>
+        [JsonProperty("Tracks")]
+        public MediaTrack[] Tracks{ get; set; }
+
+        /// <summary>
+        /// 制作视频文件时使用的画布。
+        /// 注意：此字段可能返回 null，表示取不到有效值。
+        /// </summary>
+        [JsonProperty("Canvas")]
+        public Canvas Canvas{ get; set; }
+
+        /// <summary>
+        /// 输出的媒体文件信息。
+        /// </summary>
+        [JsonProperty("Output")]
+        public ComposeMediaOutput Output{ get; set; }
+
+
+        /// <summary>
+        /// For internal usage only. DO NOT USE IT.
+        /// </summary>
+        internal override void ToMap(Dictionary<string, string> map, string prefix)
+        {
+            this.SetParamArrayObj(map, prefix + "Tracks.", this.Tracks);
+            this.SetParamObj(map, prefix + "Canvas.", this.Canvas);
+            this.SetParamObj(map, prefix + "Output.", this.Output);
+        }
+    }
+}
+