2026-05-18-19-31-18 增加原始视频查看入口

frontend/app.js

@@ -27,6 +27,12 @@ const resultCount = document.querySelector("#resultCount");
 const jobMeta = document.querySelector("#jobMeta");
 const detailDialog = document.querySelector("#detailDialog");
 const closeDialog = document.querySelector("#closeDialog");
+const openSourceButton = document.querySelector("#openSourceButton");
+const sourceDialog = document.querySelector("#sourceDialog");
+const closeSourceDialog = document.querySelector("#closeSourceDialog");
+const sourceTitle = document.querySelector("#sourceTitle");
+const sourceVideo = document.querySelector("#sourceVideo");
+const sourceImage = document.querySelector("#sourceImage");
 
 const methodLabels = new Map();
 const methodDescriptions = new Map();
@@ -68,12 +74,17 @@ function renderPreview(file) {
   previewEmpty.hidden = true;
   videoPreview.hidden = true;
   imagePreview.hidden = true;
+  openSourceButton.hidden = false;
   if (file.type.startsWith("video/")) {
     videoPreview.src = currentObjectUrl;
     videoPreview.hidden = false;
+    openSourceButton.textContent = "查看原始视频";
+    sourceTitle.textContent = "原始视频";
   } else {
     imagePreview.src = currentObjectUrl;
     imagePreview.hidden = false;
+    openSourceButton.textContent = "查看原始图像";
+    sourceTitle.textContent = "原始图像";
   }
   jobMeta.textContent = `已选择 ${file.name}`;
 }
@@ -213,6 +224,12 @@ function clearAll() {
   imagePreview.removeAttribute("src");
   videoPreview.hidden = true;
   imagePreview.hidden = true;
+  sourceVideo.hidden = true;
+  sourceImage.hidden = true;
+  sourceVideo.removeAttribute("src");
+  sourceImage.removeAttribute("src");
+  openSourceButton.hidden = true;
+  if (sourceDialog.open) sourceDialog.close();
   previewEmpty.hidden = false;
   resultGrid.innerHTML = "";
   emptyState.hidden = false;
@@ -253,6 +270,20 @@ dropZone.addEventListener("drop", (event) => {
 sampleButton.addEventListener("click", loadSample);
 clearButton.addEventListener("click", clearAll);
 closeDialog.addEventListener("click", () => detailDialog.close());
+closeSourceDialog.addEventListener("click", () => sourceDialog.close());
+openSourceButton.addEventListener("click", () => {
+  if (!selectedFile || !currentObjectUrl) return;
+  sourceVideo.hidden = true;
+  sourceImage.hidden = true;
+  if (selectedFile.type.startsWith("video/")) {
+    sourceVideo.src = currentObjectUrl;
+    sourceVideo.hidden = false;
+  } else {
+    sourceImage.src = currentObjectUrl;
+    sourceImage.hidden = false;
+  }
+  sourceDialog.showModal();
+});
 
 form.addEventListener("submit", async (event) => {
   event.preventDefault();

frontend/index.html

@@ -85,7 +85,10 @@
               <p class="eyebrow">Live Workspace</p>
               <h2>预览与结果</h2>
             </div>
-            <div class="job-meta" id="jobMeta">等待输入</div>
+            <div class="viewer-actions">
+              <button class="ghost media-button" id="openSourceButton" type="button" hidden>查看原始视频</button>
+              <div class="job-meta" id="jobMeta">等待输入</div>
+            </div>
           </div>
 
           <div class="preview-stage" id="previewStage">
@@ -144,6 +147,20 @@
       <dl class="detail-metrics" id="detailMetrics"></dl>
     </dialog>
 
+    <dialog class="detail-dialog source-dialog" id="sourceDialog">
+      <div class="dialog-head">
+        <div>
+          <p class="eyebrow">Source Media</p>
+          <h2 id="sourceTitle">原始视频</h2>
+        </div>
+        <button class="icon-button" id="closeSourceDialog" type="button" aria-label="关闭原始媒体">×</button>
+      </div>
+      <div class="source-stage">
+        <video id="sourceVideo" controls hidden></video>
+        <img id="sourceImage" alt="原始输入图像" hidden />
+      </div>
+    </dialog>
+
     <template id="resultCardTemplate">
       <article class="result-card" tabindex="0">
         <div class="card-top">

frontend/styles.css

@@ -367,6 +367,20 @@ input[type="range"] {
   margin-bottom: 14px;
 }
 
+.viewer-actions {
+  display: flex;
+  align-items: center;
+  justify-content: flex-end;
+  gap: 10px;
+  flex-wrap: wrap;
+}
+
+.media-button {
+  min-height: 38px;
+  padding: 0 12px;
+  color: var(--accent);
+}
+
 .job-meta {
   color: var(--muted);
   font-size: 13px;
@@ -603,6 +617,26 @@ dd {
   aspect-ratio: 4 / 3;
 }
 
+.source-dialog {
+  width: min(1180px, calc(100vw - 36px));
+}
+
+.source-stage {
+  display: grid;
+  place-items: center;
+  min-height: 520px;
+  background: #050605;
+}
+
+#sourceVideo,
+#sourceImage {
+  display: block;
+  width: 100%;
+  max-height: min(72vh, 720px);
+  object-fit: contain;
+  background: #050605;
+}
+
 @media (max-width: 980px) {
   .app-shell {
     width: min(100vw - 20px, 760px);
@@ -626,6 +660,10 @@ dd {
     flex-wrap: wrap;
   }
 
+  .viewer-actions {
+    justify-content: flex-start;
+  }
+
   .summary-strip,
   .detail-images {
     grid-template-columns: 1fr;