测速增加码率计算

src/app/play/page.tsx

@@ -1140,7 +1140,7 @@ function PlayPageClient() {
 
   // 保存优选时的测速结果，避免EpisodeSelector重复测速
   const [precomputedVideoInfo, setPrecomputedVideoInfo] = useState<
-    Map<string, { quality: string; loadSpeed: string; pingTime: number }>
+    Map<string, { quality: string; loadSpeed: string; pingTime: number; bitrate: string }>
   >(new Map());
 
   // 折叠状态（仅在 lg 及以上屏幕有效）
@@ -1238,7 +1238,7 @@ function PlayPageClient() {
     const batchSize = Math.ceil(sources.length / 2);
     const allResults: Array<{
       source: SearchResult;
-      testResult: { quality: string; loadSpeed: string; pingTime: number };
+      testResult: { quality: string; loadSpeed: string; pingTime: number; bitrate: string };
     } | null> = [];
 
     for (let start = 0; start < sources.length; start += batchSize) {
@@ -1278,6 +1278,7 @@ function PlayPageClient() {
         quality: string;
         loadSpeed: string;
         pingTime: number;
+        bitrate: string;
         hasError?: boolean;
       }
     >();
@@ -1294,7 +1295,7 @@ function PlayPageClient() {
     // 过滤出成功的结果用于优选计算
     const successfulResults = allResults.filter(Boolean) as Array<{
       source: SearchResult;
-      testResult: { quality: string; loadSpeed: string; pingTime: number };
+      testResult: { quality: string; loadSpeed: string; pingTime: number; bitrate: string };
     }>;
 
     setPrecomputedVideoInfo(newVideoInfoMap);

src/components/EpisodeSelector.tsx

@@ -21,6 +21,7 @@ interface VideoInfo {
   quality: string;
   loadSpeed: string;
   pingTime: number;
+  bitrate: string; // 视频码率
   hasError?: boolean; // 添加错误状态标识
 }
 
@@ -898,6 +899,11 @@ const EpisodeSelector: React.FC<EpisodeSelectorProps> = ({
                                         <div className='text-orange-600 dark:text-orange-400 font-medium text-xs'>
                                           {videoInfo.pingTime}ms
                                         </div>
+                                        {videoInfo.bitrate && videoInfo.bitrate !== '未知' && (
+                                          <div className='text-purple-600 dark:text-purple-400 font-medium text-xs'>
+                                            {videoInfo.bitrate}
+                                          </div>
+                                        )}
                                       </div>
                                     );
                                   } else {

src/lib/utils.ts

@@ -135,12 +135,13 @@ export function processVideoUrl(originalUrl: string): string {
 /**
  * 从m3u8地址获取视频质量等级和网络信息
  * @param m3u8Url m3u8播放列表的URL
- * @returns Promise<{quality: string, loadSpeed: string, pingTime: number}> 视频质量等级和网络信息
+ * @returns Promise<{quality: string, loadSpeed: string, pingTime: number, bitrate: string}> 视频质量等级和网络信息
  */
 export async function getVideoResolutionFromM3u8(m3u8Url: string): Promise<{
   quality: string; // 如720p、1080p等
   loadSpeed: string; // 自动转换为KB/s或MB/s
   pingTime: number; // 网络延迟（毫秒）
+  bitrate: string; // 视频码率（如 "2.5 Mbps"）
 }> {
   try {
     // 直接使用m3u8 URL作为视频源，避免CORS问题
@@ -182,6 +183,7 @@ export async function getVideoResolutionFromM3u8(m3u8Url: string): Promise<{
       let actualLoadSpeed = '未知';
       let hasSpeedCalculated = false;
       let hasMetadataLoaded = false;
+      let estimatedBitrate = 0; // 估算的码率（bps）
 
       let fragmentStartTime = 0;
 
@@ -211,17 +213,32 @@ export async function getVideoResolutionFromM3u8(m3u8Url: string): Promise<{
                         ? '480p'
                         : 'SD'; // 480p: 854x480
 
+            // 格式化码率
+            const bitrateStr = estimatedBitrate > 0
+              ? estimatedBitrate >= 1000000
+                ? `${(estimatedBitrate / 1000000).toFixed(1)} Mbps`
+                : `${Math.round(estimatedBitrate / 1000)} Kbps`
+              : '未知';
+
             resolve({
               quality,
               loadSpeed: actualLoadSpeed,
               pingTime: Math.round(pingTime),
+              bitrate: bitrateStr,
             });
           } else {
             // webkit 无法获取尺寸，直接返回
+            const bitrateStr = estimatedBitrate > 0
+              ? estimatedBitrate >= 1000000
+                ? `${(estimatedBitrate / 1000000).toFixed(1)} Mbps`
+                : `${Math.round(estimatedBitrate / 1000)} Kbps`
+              : '未知';
+
             resolve({
               quality: '未知',
               loadSpeed: actualLoadSpeed,
               pingTime: Math.round(pingTime),
+              bitrate: bitrateStr,
             });
           }
         }
@@ -255,6 +272,18 @@ export async function getVideoResolutionFromM3u8(m3u8Url: string): Promise<{
               actualLoadSpeed = `${avgSpeedKBps.toFixed(1)} KB/s`;
             }
             hasSpeedCalculated = true;
+
+            // 从分片估算码率
+            if (data.frag && data.frag.duration > 0) {
+              const fragmentDuration = data.frag.duration; // 分片时长（秒）
+              const fragmentSize = size; // 分片大小（字节）
+
+              // 码率 = (分片大小 × 8 bits) / 分片时长
+              estimatedBitrate = Math.round((fragmentSize * 8) / fragmentDuration);
+
+              console.log(`[测速] 估算码率: ${(estimatedBitrate / 1000000).toFixed(2)} Mbps (分片: ${(fragmentSize / 1024 / 1024).toFixed(2)} MB, 时长: ${fragmentDuration.toFixed(1)}s)`);
+            }
+
             checkAndResolve(); // 尝试返回结果
           }
         }