{"id":101727,"date":"2026-09-07T11:17:39","date_gmt":"2026-09-07T03:17:39","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/101727.html"},"modified":"2026-09-07T11:17:39","modified_gmt":"2026-09-07T03:17:39","slug":"%e4%b8%8d%e6%8e%a5%e8%a7%86%e9%a2%91%e6%9c%8d%e5%8a%a1%e5%99%a8%ef%bc%9a%e6%80%8e%e6%a0%b7%e5%9c%a8-harmonyos-%e6%89%8b%e6%9c%ba%e4%b8%8a%e6%8a%8a-3-%e5%bc%a0%e7%85%a7%e7%89%87%e7%94%9f%e6%88%90-6","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/101727.html","title":{"rendered":"\u4e0d\u63a5\u89c6\u9891\u670d\u52a1\u5668\uff1a\u600e\u6837\u5728 HarmonyOS \u624b\u673a\u4e0a\u628a 3 \u5f20\u7167\u7247\u751f\u6210 6 \u79d2\u56de\u5fc6\u7535\u5f71"},"content":{"rendered":"

\"\u9e3f\u8499\u5e94\u7528\u5b9e\u64cd\u5206\u4eab\"<\/p>\n

\u4e0d\u63a5\u89c6\u9891\u670d\u52a1\u5668：\u600e\u6837\u5728 HarmonyOS \u624b\u673a\u4e0a\u628a 3 \u5f20\u7167\u7247\u751f\u6210 6 \u79d2\u56de\u5fc6\u7535\u5f71<\/h2>\n

\u771f\u673a\u73af\u5883：ALN-AL80，OpenHarmony 7.0.0.32（Beta2），API 26；3 \u5f20\u8f93\u5165\u56fe\u5747\u4e3a\u516c\u5f00\u6d4b\u8bd5\u7d20\u6750，\u7f16\u7801\u3001\u914d\u4e50\u5408\u6210\u3001\u64ad\u653e\u548c\u4fdd\u5b58\u5168\u90e8\u5728\u624b\u673a\u672c\u5730\u5b8c\u6210\u3002<\/p>\n

\u4e3a\u4ec0\u4e48\u76f8\u518c\u91cc\u7684\u7167\u7247\u9700\u8981\u201c\u6210\u7247\u201d\u51fa\u53e3<\/h3>\n

\u65c5\u884c\u7ed3\u675f\u540e，\u76f8\u518c\u91cc\u901a\u5e38\u7559\u4e0b\u51e0\u5341\u5f20\u7167\u7247\u3002\u9010\u5f20\u7ffb\u770b\u4fdd\u7559\u4e86\u7ec6\u8282，\u4f46\u5206\u4eab\u65f6\u7f3a\u5c11\u8282\u594f；\u628a\u7167\u7247\u4e0a\u4f20\u5230\u670d\u52a1\u5668\u751f\u6210\u89c6\u9891，\u53c8\u4f1a\u589e\u52a0\u7b49\u5f85\u3001\u6d41\u91cf\u548c\u9690\u79c1\u6210\u672c\u3002<\/p>\n

\u53cc\u955c\u8bb0\u5fc6\u76f8\u673a\u9700\u8981\u4e00\u6761\u66f4\u77ed\u7684\u8def\u5f84：\u9009\u4e2d\u51e0\u5f20\u7167\u7247，\u786e\u5b9a\u65f6\u957f\u4e0e\u914d\u4e50，\u5728\u672c\u673a\u751f\u6210\u53ef\u64ad\u653e\u7684 MP4\u3002\u7528\u6237\u53ef\u4ee5\u5148\u9884\u89c8，\u786e\u8ba4\u65e0\u8bef\u540e\u518d\u5b58\u5165\u6210\u7247\u5217\u8868\u3002\u7f51\u7edc\u4e2d\u65ad\u4e0d\u5f71\u54cd\u7f16\u7801，\u7167\u7247\u4e5f\u4e0d\u9700\u8981\u79bb\u5f00\u8bbe\u5907\u3002<\/p>\n

\u672c\u6b21\u771f\u673a\u5b9e\u8df5\u9009\u62e9 3 \u5f20\u516c\u5f00\u7167\u7247，\u8bbe\u7f6e 6 \u79d2\u65f6\u957f\u548c\u201c\u6668\u5149\u5fae\u98ce\u201d\u914d\u4e50，\u751f\u6210 720\u00d71280 \u7684\u7ad6\u5c4f AVC \u89c6\u9891\u3002\u53d6\u8bc1\u8986\u76d6\u9009\u7247\u3001\u914d\u7f6e\u3001\u751f\u6210\u3001\u64ad\u653e\u548c\u4fdd\u5b58，\u4e0d\u628a\u9759\u6001\u8bbe\u8ba1\u7a3f\u5f53\u6210\u89c6\u9891\u7ed3\u679c\u3002<\/p>\n

\u672c\u5730\u751f\u6210\u8981\u89e3\u51b3\u54ea\u4e9b\u95ee\u9898<\/h3>\n

HarmonyOS \u5b98\u65b9\u6587\u6863\u4e2d\u5fc3\u628a\u89c6\u9891\u7f16\u89e3\u7801\u5f52\u5165 AVCodec Kit，\u628a AVPlayer \u64ad\u653e\u5f52\u5165 Media Kit\u3002\u524d\u8005\u8d1f\u8d23\u628a\u8fde\u7eed\u56fe\u50cf\u5e27\u7f16\u7801\u4e3a\u89c6\u9891，\u540e\u8005\u8d1f\u8d23\u751f\u6210\u7ed3\u679c\u7684\u672c\u5730\u64ad\u653e\u4e0e\u72b6\u6001\u63a7\u5236\u3002<\/p>\n

\u7167\u7247\u751f\u6210\u77ed\u7247\u4e0d\u662f\u628a JPEG \u6587\u4ef6\u7b80\u5355\u62fc\u63a5\u5728\u4e00\u8d77，\u81f3\u5c11\u5305\u542b\u4e94\u6bb5\u5904\u7406：<\/p>\n

\u9009\u62e9\u7167\u7247
\n \u2192 \u6309\u65f6\u957f\u5206\u914d\u5e27
\n \u2192 \u88c1\u526a\u3001\u7f29\u653e\u5e76\u8f6c\u6362\u4e3a\u7f16\u7801\u50cf\u7d20\u683c\u5f0f
\n \u2192 AVC \u7f16\u7801\u4e3a MP4
\n \u2192 \u5408\u5e76\u914d\u4e50\u5e76\u4ea4\u7ed9\u64ad\u653e\u5668\u9884\u89c8<\/p>\n

\u8f93\u5165\u7167\u7247\u6a2a\u7ad6\u6bd4\u4f8b\u4e0d\u540c，\u7f16\u7801\u5668\u53c8\u8981\u6c42\u7a33\u5b9a\u7684\u5bbd\u9ad8\u3001\u5076\u6570\u5c3a\u5bf8\u548c\u53ef\u63a5\u53d7\u7684\u50cf\u7d20\u683c\u5f0f\u3002\u4efb\u4f55\u4e00\u6b65\u5904\u7406\u4e0d\u4e00\u81f4，\u6700\u7ec8\u90fd\u53ef\u80fd\u8868\u73b0\u4e3a\u82b1\u5c4f\u3001\u62c9\u4f38\u3001\u7f16\u7801\u5931\u8d25\u6216\u53ea\u6709\u58f0\u97f3\u6ca1\u6709\u753b\u9762\u3002<\/p>\n

\u7b2c\u4e00\u6b65：\u9009\u62e9\u53c2\u4e0e\u6210\u7247\u7684\u7167\u7247<\/h3>\n

\u9875\u9762\u5148\u5c55\u793a\u5f53\u524d\u516c\u5f00\u76f8\u518c，\u79c1\u5bc6\u8bb0\u5f55\u4e0d\u4f1a\u8fdb\u5165\u5019\u9009\u5217\u8868\u3002\u666e\u901a\u77ed\u7247\u81f3\u5c11\u9700\u8981\u4e24\u5f20\u7167\u7247；\u672c\u6b21\u4f9d\u6b21\u9009\u62e9\u65c5\u884c\u5408\u6210\u56fe\u3001\u4eba\u7269\u539f\u56fe\u548c\u57ce\u5e02\u591c\u666f\u3002<\/p>\n

\"\u56de\u5fc6\u7535\u5f71\u9009\u7247\u9875\u9762\u663e\u793a\u516c\u5f00\u76f8\u518c\u7d20\u6750\"<\/p>\n

\u56fe 1：\u771f\u673a\u8fdb\u5165\u666e\u901a\u77ed\u7247\u9009\u7247\u9875，\u516c\u5f00\u7167\u7247\u4ee5\u7f29\u7565\u56fe\u5f62\u5f0f\u5c55\u793a\u3002<\/p>\n

\u9009\u7247\u7ed3\u679c\u4fdd\u5b58\u7684\u662f\u76f8\u518c\u8bb0\u5f55\u5bf9\u5e94\u7684\u771f\u5b9e\u6587\u4ef6\u8def\u5f84\u3002\u5f00\u59cb\u751f\u6210\u524d\u518d\u6b21\u8fc7\u6ee4\u7a7a\u8def\u5f84，\u9632\u6b62\u7167\u7247\u5728\u9875\u9762\u505c\u7559\u671f\u95f4\u88ab\u5220\u9664：<\/p>\n

const<\/span> normalizedPaths =<\/span> sourceImagePaths.<\/span>filter<\/span>(<\/span>
\n path =><\/span> path.<\/span>trim<\/span>(<\/span>)<\/span>.<\/span>length ><\/span> 0<\/span>
\n)<\/span>;<\/span>
\nif<\/span> (<\/span>normalizedPaths.<\/span>length <<\/span> 2<\/span>)<\/span> {<\/span>
\n throw<\/span> new<\/span> Error<\/span>(<\/span>'\u81f3\u5c11\u9700\u8981 2 \u5f20\u7d20\u6750\u624d\u80fd\u751f\u6210\u666e\u901a\u77ed\u7247'<\/span>)<\/span>;<\/span>
\n}<\/span><\/p>\n

\u7b2c\u4e8c\u6b65：\u628a\u201c6 \u79d2\u201d\u6362\u7b97\u6210\u771f\u5b9e\u89c6\u9891\u5e27<\/h3>\n

\u751f\u6210\u5668\u4f7f\u7528 2 fps\u30026 \u79d2\u77ed\u7247\u9700\u8981 12 \u5e27，\u4e09\u5f20\u7167\u7247\u6309\u65f6\u95f4\u533a\u95f4\u5747\u5300\u5206\u914d，\u6bcf\u5f20\u56fe\u8fde\u7eed\u5360\u7528\u56db\u5e27\u3002\u8fd9\u91cc\u7684\u4f4e\u5e27\u7387\u9002\u5408\u9759\u6001\u7167\u7247\u8f6e\u64ad，\u4e5f\u80fd\u63a7\u5236\u77ed\u7247\u4f53\u79ef；\u5982\u679c\u52a0\u5165\u5e73\u79fb\u548c\u7f29\u653e\u52a8\u753b，\u5e27\u7387\u8981\u76f8\u5e94\u63d0\u9ad8\u3002<\/p>\n

const<\/span> frameRate =<\/span> 2<\/span>;<\/span>
\nconst<\/span> targetFrameCount =<\/span> Math.<\/span>round<\/span>(<\/span>durationSeconds *<\/span> frameRate)<\/span>;<\/span>
\nconst<\/span> framePaths:<\/span> Array<\/span><<\/span>string<\/span>><\/span> =<\/span> [<\/span>]<\/span>;<\/span><\/p>\n

for<\/span> (<\/span>let<\/span> index =<\/span> 0<\/span>;<\/span> index <<\/span> targetFrameCount;<\/span> index++<\/span>)<\/span> {<\/span>
\n const<\/span> sourceIndex =<\/span> Math.<\/span>min<\/span>(<\/span>
\n normalizedPaths.<\/span>length –<\/span> 1<\/span>,<\/span>
\n Math.<\/span>floor<\/span>(<\/span>index *<\/span> normalizedPaths.<\/span>length \/<\/span> targetFrameCount)<\/span>
\n )<\/span>;<\/span>
\n framePaths.<\/span>push<\/span>(<\/span>normalizedPaths[<\/span>sourceIndex]<\/span>)<\/span>;<\/span>
\n}<\/span><\/p>\n

\u65f6\u957f\u88ab\u9650\u5236\u5728 3～30 \u79d2，\u9632\u6b62\u8bef\u64cd\u4f5c\u751f\u6210\u8fc7\u957f\u4efb\u52a1\u3002\u751f\u6210\u6309\u94ae\u6309\u4e0b\u4ee5\u540e，\u9875\u9762\u51bb\u7ed3\u5f53\u524d\u9009\u7247\u548c\u53c2\u6570，\u907f\u514d\u7f16\u7801\u4e2d\u9014\u4fee\u6539\u7d20\u6750\u5bfc\u81f4\u5e27\u5e8f\u5217\u4e0e UI \u4e0d\u4e00\u81f4\u3002<\/p>\n

\u672c\u6b21\u914d\u7f6e\u4e3a\u624b\u52a8\u9009\u7247\u30016 \u79d2\u3001\u201c\u6668\u5149\u5fae\u98ce\u201d\u914d\u4e50，\u5e76\u5728\u751f\u6210\u8bf7\u6c42\u4e2d\u6253\u5f00\u667a\u80fd\u964d\u566a\u3001\u7a7a\u95f4\u97f3\u9891\u3001\u6de1\u5165\u6de1\u51fa\u548c\u5bbd\u9614\u58f0\u573a\u3002<\/p>\n

\"\u56de\u5fc6\u7535\u5f71\u8bbe\u7f6e6\u79d2\u914d\u4e50\u548c\u97f3\u9891\u9009\u9879\"<\/p>\n

\u56fe 2：\u9875\u9762\u663e\u793a\u5df2\u9009 3 \u5f20，\u65f6\u957f\u3001\u914d\u4e50\u548c\u97f3\u9891\u5904\u7406\u9009\u9879\u5747\u5df2\u786e\u5b9a\u3002<\/p>\n

\u622a\u56fe\u80fd\u591f\u8bc1\u660e\u8fd9\u4e9b\u53c2\u6570\u8fdb\u5165\u4e86\u672c\u6b21\u751f\u6210\u8bf7\u6c42\u3002\u964d\u566a\u548c\u7a7a\u95f4\u97f3\u9891\u7684\u5b9e\u9645\u542c\u611f\u9700\u8981\u8033\u673a\u4e0e\u97f3\u9891\u5206\u6790\u9a8c\u8bc1，\u4e0d\u80fd\u4ec5\u51ed\u5f00\u5173\u72b6\u6001\u4e0b\u7ed3\u8bba；\u672c\u6b21\u7ed3\u679c\u786e\u8ba4\u7684\u662f\u914d\u4e50\u97f3\u8f68\u5df2\u7ecf\u5199\u5165\u5e76\u53ef\u968f\u89c6\u9891\u64ad\u653e\u3002<\/p>\n

\u7b2c\u4e09\u6b65：\u4e0d\u540c\u5c3a\u5bf8\u7167\u7247\u7edf\u4e00\u4e3a 720\u00d71280<\/h3>\n

\u76f4\u63a5\u628a\u6a2a\u56fe\u7f29\u653e\u5230\u7ad6\u5c4f\u4f1a\u628a\u4eba\u7269\u548c\u5efa\u7b51\u62c9\u957f\u3002\u751f\u6210\u5668\u91c7\u7528\u5c45\u4e2d cover \u88c1\u526a：\u5148\u6839\u636e\u6e90\u56fe\u4e0e\u76ee\u6807\u753b\u5e03\u7684\u5bbd\u9ad8\u6bd4\u8ba1\u7b97\u88c1\u526a\u533a\u57df，\u518d\u7f29\u653e\u5230 720\u00d71280\u3002\u88c1\u526a\u5bbd\u9ad8\u548c\u504f\u79fb\u90fd\u843d\u5728\u5076\u6570\u50cf\u7d20\u8fb9\u754c，\u6ee1\u8db3 NV12 \u7f16\u7801\u8981\u6c42\u3002<\/p>\n

const<\/span> cropRegion =<\/span> MovieFramePolicy.<\/span>buildCoverCropRegion<\/span>(<\/span>
\n {<\/span> width:<\/span> imageInfo.<\/span>size.<\/span>width,<\/span> height:<\/span> imageInfo.<\/span>size.<\/span>height }<\/span>,<\/span>
\n {<\/span> width:<\/span> 720<\/span>,<\/span> height:<\/span> 1280<\/span> }<\/span>
\n)<\/span>;<\/span><\/p>\n

\u771f\u673a\u63a5\u5165\u65f6\u9047\u5230\u7684\u5173\u952e\u95ee\u9898\u53d1\u751f\u5728\u89e3\u7801\u9636\u6bb5：API 26 \u4e0a，JPEG \u89e3\u7801\u540c\u65f6\u8bf7\u6c42\u201c\u88c1\u526a + \u7f29\u653e + NV12\u201d\u4f1a\u5931\u8d25\u3002\u7a33\u5b9a\u8def\u5f84\u662f\u5148\u6309\u6587\u6863\u652f\u6301\u826f\u597d\u7684 RGBA_8888 \u5b8c\u6210\u88c1\u526a\u548c\u7f29\u653e，\u518d\u628a PixelMap \u8f6c\u6210 NV12\u3002<\/p>\n

const<\/span> pixelMap =<\/span> await<\/span> imageSource.<\/span>createPixelMap<\/span>(<\/span>{<\/span>
\n editable:<\/span> true<\/span>,<\/span>
\n desiredPixelFormat:<\/span> image.<\/span>PixelMapFormat.<\/span>RGBA_8888<\/span>,<\/span>
\n desiredSize:<\/span> {<\/span> width:<\/span> 720<\/span>,<\/span> height:<\/span> 1280<\/span> }<\/span>,<\/span>
\n desiredRegion:<\/span> cropRegion,<\/span>
\n cropAndScaleStrategy:<\/span> image.<\/span>CropAndScaleStrategy.<\/span>CROP_FIRST<\/span>
\n}<\/span>)<\/span>;<\/span><\/p>\n

await<\/span> pixelMap.<\/span>convertPixelFormat<\/span>(<\/span>image.<\/span>PixelMapFormat.<\/span>NV12<\/span>)<\/span>;<\/span><\/p>\n

\u8fd9\u4e2a\u987a\u5e8f\u591a\u4e86\u4e00\u6b21\u50cf\u7d20\u683c\u5f0f\u8f6c\u6362，\u5374\u628a JPEG \u89e3\u7801\u548c\u89c6\u9891\u7f16\u7801\u7684\u804c\u8d23\u5206\u5f00，\u9519\u8bef\u4e5f\u66f4\u5bb9\u6613\u5b9a\u4f4d\u3002\u5168\u90e8\u5e27\u8fdb\u5165\u7f16\u7801\u961f\u5217\u540e，PixelMap \u4f1a\u96c6\u4e2d\u91ca\u653e，\u907f\u514d 12 \u5e27\u540c\u65f6\u957f\u671f\u5360\u7528\u56fe\u50cf\u5185\u5b58\u3002<\/p>\n

\u7b2c\u56db\u6b65：\u7f16\u7801 AVC \u5e76\u5408\u5e76\u672c\u5730\u914d\u4e50<\/h3>\n

\u5f53\u524d\u8f93\u51fa\u89c4\u683c\u4e3a 720\u00d71280\u30012 fps\u300112 Mbps\u3001video\/avc\u3002ArkTS \u628a\u51c6\u5907\u597d\u7684 NV12 PixelMap \u63a8\u7ed9\u672c\u5730\u539f\u751f\u7f16\u7801\u5c42，\u518d\u4f20\u5165\u8f93\u51fa\u6587\u4ef6\u63cf\u8ff0\u7b26\u3001\u753b\u9762\u5c3a\u5bf8\u3001\u5e27\u7387\u548c\u5e27\u6570\u3002<\/p>\n

transcoding.<\/span>startTransCode<\/span>(<\/span>
\n outputFd,<\/span>
\n 720<\/span>,<\/span>
\n 1280<\/span>,<\/span>
\n 'video\/avc'<\/span>,<\/span>
\n 2<\/span>,<\/span>
\n 12<\/span> *<\/span> 1024<\/span> *<\/span> 1024<\/span>,<\/span>
\n frameCount,<\/span>
\n onFinished
\n)<\/span>;<\/span><\/p>\n

\u7f16\u7801\u5148\u5199\u5165\u4e34\u65f6\u65e0\u58f0 MP4\u3002\u9009\u62e9\u914d\u4e50\u540e，\u672c\u5730\u5408\u6210\u5c42\u628a\u5e94\u7528\u8d44\u6e90\u4e2d\u7684 M4A \u97f3\u8f68\u5199\u5165\u6700\u7ec8\u6587\u4ef6；\u5408\u5e76\u6210\u529f\u624d\u5220\u9664\u4e34\u65f6\u6587\u4ef6\u3002\u81ea\u5b9a\u4e49\u97f3\u4e50\u65e0\u6cd5\u5199\u5165\u65f6\u76f4\u63a5\u63d0\u793a\u683c\u5f0f\u95ee\u9898，\u5185\u7f6e\u914d\u4e50\u5931\u8d25\u5219\u4fdd\u7559\u53ef\u64ad\u653e\u7684\u65e0\u58f0\u7248\u672c，\u907f\u514d\u6574\u6bb5\u89c6\u9891\u4e00\u8d77\u4e22\u5931\u3002<\/p>\n

const<\/span> result =<\/span> await<\/span> transcoding.<\/span>mergeMovieAudioEnhanced<\/span>(<\/span>
\n stagedVideoPath,<\/span>
\n musicPath,<\/span>
\n finalVideoPath,<\/span>
\n durationUs,<\/span>
\n noiseReduction,<\/span>
\n spatialAudio,<\/span>
\n soundFieldType,<\/span>
\n fadeEnabled ?<\/span> 0.8<\/span> :<\/span> 0<\/span>,<\/span>
\n fadeEnabled ?<\/span> 1.2<\/span> :<\/span> 0<\/span>
\n)<\/span>;<\/span><\/p>\n

\u7b2c\u4e94\u6b65：\u7528\u771f\u5b9e\u64ad\u653e\u5668\u5b8c\u6210\u7ed3\u679c\u95ed\u73af<\/h3>\n

\u7f16\u7801\u7ed3\u675f\u540e，\u9875\u9762\u8fdb\u5165\u65b0\u751f\u6210\u7684\u77ed\u7247\u9884\u89c8\u3002\u753b\u9762\u663e\u793a 6 \u79d2\u65f6\u957f\u3001\u4e09\u5f20\u7d20\u6750\u7f29\u7565\u56fe\u548c\u201c\u6668\u5149\u5fae\u98ce\u201d\u914d\u4e50，\u5e95\u90e8\u201c\u5b58\u5165\u6210\u7247\u201d\u6309\u94ae\u6b64\u65f6\u624d\u53ef\u7528\u3002<\/p>\n

\"\u516d\u79d2\u56de\u5fc6\u7535\u5f71\u5df2\u7ecf\u751f\u6210\u5e76\u8fdb\u5165\u9884\u89c8\"<\/p>\n

\u56fe 3：\u771f\u673a\u751f\u6210\u7ed3\u679c\u9875\u663e\u793a 00:06\u30013 \u5f20\u7167\u7247\u548c\u914d\u4e50\u540d\u79f0，\u89c6\u9891\u6587\u4ef6\u5df2\u7ecf\u53ef\u4ee5\u9884\u89c8\u3002<\/p>\n

\u9884\u89c8\u97f3\u9891\u7531 AVPlayer \u8bfb\u53d6\u672c\u5730\u6587\u4ef6\u63cf\u8ff0\u7b26\u3002\u64ad\u653e\u5668\u8bbe\u7f6e\u4e3a\u97f3\u4e50\u7528\u9014，\u51c6\u5907\u5b8c\u6210\u540e\u54cd\u5e94\u64ad\u653e\u3001\u6682\u505c\u548c\u9875\u9762\u79bb\u5f00\u65f6\u7684\u91ca\u653e：<\/p>\n

const<\/span> file =<\/span> fs.<\/span>openSync<\/span>(<\/span>videoPath,<\/span> fs.<\/span>OpenMode.<\/span>READ_ONLY<\/span>)<\/span>;<\/span>
\nplayer.<\/span>fdSrc =<\/span> {<\/span>
\n fd:<\/span> file.<\/span>fd,<\/span>
\n offset:<\/span> 0<\/span>,<\/span>
\n length:<\/span> fs.<\/span>statSync<\/span>(<\/span>videoPath)<\/span>.<\/span>size
\n}<\/span>;<\/span>
\nawait<\/span> preparePlayer<\/span>(<\/span>player)<\/span>;<\/span> \/\/ \u5c06 callback \u5f62\u5f0f\u7684 prepare \u5c01\u88c5\u4e3a Promise<\/span>
\nawait<\/span> player.<\/span>play<\/span>(<\/span>)<\/span>;<\/span><\/p>\n

\"\u771f\u673a\u6b63\u5728\u64ad\u653e\u521a\u751f\u6210\u7684\u56de\u5fc6\u7535\u5f71\"<\/p>\n

\u56fe 4：\u64ad\u653e\u8fdb\u5ea6\u5df2\u7ecf\u4ece 00:00 \u524d\u8fdb，\u8bf4\u660e\u9875\u9762\u5c55\u793a\u7684\u662f\u53ef\u64ad\u653e MP4，\u800c\u4e0d\u662f\u4e00\u5f20\u9759\u6001\u5c01\u9762\u3002<\/p>\n

\u786e\u8ba4\u9884\u89c8\u540e\u70b9\u51fb\u201c\u5b58\u5165\u6210\u7247\u201d，\u89c6\u9891\u8bb0\u5f55\u5199\u5165\u672c\u5730\u6210\u7247\u5217\u8868\u3002\u5217\u8868\u4ece 0 \u6761\u53d8\u4e3a 1 \u6761，\u5e76\u663e\u793a\u5c01\u9762\u300100:06\u3001\u4e09\u5f20\u7167\u7247\u548c\u914d\u4e50\u540d\u79f0\u3002<\/p>\n

\"\u751f\u6210\u7684\u516d\u79d2\u89c6\u9891\u5df2\u4fdd\u5b58\u5230\u6210\u7247\u5217\u8868\"<\/p>\n

\u56fe 5：\u77ed\u7247\u5df2\u7ecf\u4fdd\u5b58，\u5217\u8868\u72b6\u6001\u4e3a\u201c\u5df2\u4fdd\u5b58\u201d，\u5b8c\u6574\u94fe\u8def\u5230\u6b64\u7ed3\u675f\u3002<\/p>\n

\u8fd9\u6761\u94fe\u8def\u4e3a\u4ec0\u4e48\u6ca1\u6709\u63a5\u670d\u52a1\u5668<\/h3>\n

\u7167\u7247\u89e3\u7801\u3001\u753b\u5e45\u5904\u7406\u3001\u89c6\u9891\u7f16\u7801\u3001\u97f3\u8f68\u5408\u5e76\u548c\u64ad\u653e\u90fd\u4f7f\u7528\u672c\u5730\u6587\u4ef6\u3002\u7f51\u7edc\u4e0d\u53c2\u4e0e\u751f\u6210\u8fc7\u7a0b，\u516c\u5f00\u6d4b\u8bd5\u7167\u7247\u6ca1\u6709\u4e0a\u4f20\u3002\u5e26\u6765\u7684\u76f4\u63a5\u6536\u76ca\u6709\u4e09\u70b9：<\/p>\n