{"id":3312,"date":"2020-01-14T16:56:54","date_gmt":"2020-01-14T08:56:54","guid":{"rendered":"https:\/\/yanjingang.com\/blog\/?p=3312"},"modified":"2020-06-28T10:54:50","modified_gmt":"2020-06-28T02:54:50","slug":"h-265%ef%bc%88hevc%ef%bc%89-%e9%ab%98%e5%8e%8b%e7%bc%a9%e6%af%94%e7%9a%84%e8%a7%86%e9%a2%91-%e5%9b%be%e5%83%8f%e5%8e%8b%e7%bc%a9%e7%ae%97%e6%b3%95","status":"publish","type":"post","link":"https:\/\/yanjingang.com\/blog\/?p=3312","title":{"rendered":"H.265\uff08HEVC\uff09\u2014\u9ad8\u538b\u7f29\u6bd4\u7684\u89c6\u9891\/\u56fe\u50cf\u538b\u7f29\u7b97\u6cd5"},"content":{"rendered":"

\u6570\u5b57\u89c6\u9891\u7684\u8d85\u9ad8\u6e05\u6f6e\u6d41\u5954\u817e\u5411\u524d\uff0c\u5e27\u7387\u4ece30 fps\u541160fps\u3001120fps\u751a\u81f3240fps\u8fdb\u53d1\uff0c\u4e0e\u6b64\u540c\u65f6\uff0c\u7269\u7406\u5a92\u4ecb\u65e5\u8584\u897f\u5c71\uff0c\u5185\u5bb9\u6b63\u901a\u8fc7\u6709\u5f62\u65e0\u5f62\u7684\u7f51\u7edc\u5728\u4e16\u754c\u5404\u4e2a\u89d2\u843d\u7684\u7ec8\u7aef\u8bbe\u5907\u4e0a\u4f20\u9012\u3002\u9ad8\u5ea6\u5bc6\u96c6\u7684\u6570\u636e\u7ed9\u5e26\u5bbd\u548c\u5b58\u50a8\u5e26\u6765\u5de8\u5927\u6311\u6218\uff0c\u5f53\u524d\u4e3b\u6d41\u7684H.264\u5f00\u59cb\u4e0d\u6577\u5e94\u7528\uff0c\u800c\u65b0\u4e00\u4ee3\u89c6\u9891\u7f16\u7801\u6807\u51c6H.265\u4f3c\u4e4e\u6210\u4e3a\u4e86\u6570\u5b574K\u65f6\u4ee3\u7684\u201c\u6551\u4e16\u4e3b\u201d\u3002
\nH.265\u53c8\u79f0\u4e3aHEVC(\u5168\u79f0High Efficiency Video Coding\uff0c\u9ad8\u6548\u7387\u89c6\u9891\u7f16\u7801\uff0c\u672c\u6587\u7edf\u79f0\u4e3aH.265)\uff0c\u662fITU-T H.264\/MPEG-4 AVC\u6807\u51c6\u7684\u7ee7\u4efb\u8005\u30022004\u5e74\u7531ISO\/IEC Moving Picture Experts Group(MPEG)\u548cITU-T Video Coding Experts Group(VCEG)\u4f5c\u4e3aISO\/IEC 23008-2 MPEG-H Part 2\u6216\u79f0\u4f5cITU-T H.265\u5f00\u59cb\u5236\u5b9a\u3002\u7b2c\u4e00\u7248\u7684HEVC\/H.265\u89c6\u9891\u538b\u7f29\u6807\u51c6\u57282013\u5e744\u670813\u65e5\u88ab\u63a5\u53d7\u4e3a\u56fd\u9645\u7535\u4fe1\u8054\u76df(ITU-T)\u7684\u6b63\u5f0f\u6807\u51c6\u3002<\/p>\n

\u7406\u8bba\u4e0aH.265\u6bd4H.264\u6548\u7387\u63d0\u9ad830-50%(\u5c24\u5176\u662f\u5728\u66f4\u9ad8\u7684\u5206\u8fa8\u7387\u60c5\u5f62\u4e0b)\uff0c\u4f46\u771f\u7684\u53ea\u662f\u8fd9\u4e48\u7b80\u5355\u5417\uff1f<\/p>\n

\"\"<\/a><\/p>\n

H.265\u7684\u6539\u53d8<\/strong><\/p>\n

\u57fa\u4e8e\u5757\u7684\u89c6\u9891\u7f16\u7801\u6280\u672f<\/h1>\n

H.265\u91cd\u65b0\u5229\u7528\u4e86H.264\u4e2d\u5b9a\u4e49\u7684\u5f88\u591a\u6982\u5ff5\u3002\u4e24\u8005\u90fd\u662f\u57fa\u4e8e\u5757\u7684\u89c6\u9891\u7f16\u7801\u6280\u672f\uff0c\u6240\u4ee5\u5b83\u4eec\u6709\u7740\u76f8\u540c\u7684\u6839\u6e90\uff0c\u548c\u76f8\u8fd1\u7684\u7f16\u7801\u65b9\u5f0f\uff0c\u5305\u62ec\uff1a<\/p>\n

1\u3001\u4ee5\u5b8f\u5757\u6765\u7ec6\u5206\u56fe\u7247\uff0c\u5e76\u6700\u7ec8\u4ee5\u5757\u6765\u7ec6\u5206\u3002<\/p>\n

2\u3001\u4f7f\u7528\u5e27\u5185\u538b\u7f29\u6280\u672f\u51cf\u5c11\u7a7a\u95f4\u5197\u4f59\u3002<\/p>\n

3\u3001\u4f7f\u7528\u5e27\u5185\u538b\u7f29\u6280\u672f\u51cf\u5c11\u65f6\u95f4\u5197\u4f59\uff08\u8fd0\u52a8\u4f30\u8ba1\u548c\u8865\u507f\uff09\u3002<\/p>\n

4\u3001\u4f7f\u7528\u8f6c\u6362\u548c\u91cf\u5316\u6765\u8fdb\u884c\u6b8b\u7559\u6570\u636e\u538b\u7f29\u3002<\/p>\n

5\u3001\u4f7f\u7528\u71b5\u7f16\u7801\u51cf\u5c11\u6b8b\u7559\u548c\u8fd0\u52a8\u77e2\u91cf\u4f20\u8f93\u548c\u4fe1\u53f7\u53d1\u9001\u4e2d\u7684\u6700\u540e\u5197\u4f59\u3002<\/p>\n

\u4e8b\u5b9e\u4e0a\uff0c\u89c6\u9891\u7f16\u89e3\u7801\u4eceMPEG-1\u8bde\u751f\u81f3\u4eca\u90fd\u6ca1\u6709\u6839\u672c\u6027\u6539\u8fdb\uff0cH.265\u4e5f\u53ea\u662fH.264\u5728\u4e00\u4e9b\u5173\u952e\u6027\u80fd\u4e0a\u7684\u66f4\u5f3a\u8fdb\u5316\u4ee5\u53ca\u7b80\u5355\u5316\u3002<\/p>\n

\u90a3\u4e48\u95ee\u9898\u6765\u4e86\uff0cH.265\u5230\u5e95\u5f3a\u5728\u54ea\u91cc\uff1f<\/h1>\n

\u5f53\u4f60\u8003\u8651\u201c\u53ea\u662f\u5728\u666e\u901a\u4e92\u8054\u7f51\u4e0a\u4f20\u8f934K\u5185\u5bb9\uff0c\u8fd8\u662f\u8981\u5b9e\u73b0\u6700\u597d\u7684\u56fe\u50cf\u8d28\u91cf\u201d\u4e4b\u65f6\uff0c\u5c31\u8981\u5148\u5398\u6e05\u201c\u66f4\u591a\u7684\u538b\u7f29\u201d\u548c\u201c\u66f4\u597d\u7684\u538b\u7f29\u201d\u8fd9\u4e24\u4e2a\u6982\u5ff5\u3002\u5982\u679c\u53ea\u662f\u66f4\u591a\u7684\u538b\u7f29\uff0c4K\u548c\u8d85\u9ad8\u6e05\u4e0d\u4e00\u5b9a\u8981\u4fdd\u8bc1\u6bd4\u4eca\u5929\u76841080p\u6216HD\u505a\u5230\u66f4\u597d\u7684\u56fe\u7247\u8d28\u91cf\u3002\u66f4\u597d\u7684\u538b\u7f29\u5219\u610f\u5473\u7740\u66f4\u806a\u660e\u7684\u538b\u7f29\uff0c\u9762\u5bf9\u540c\u6837\u7684\u539f\u59cb\u7d20\u6750\uff0c\u66f4\u597d\u7684\u538b\u7f29\u4f1a\u4ee5\u66f4\u597d\u7684\u65b9\u5f0f\uff0c\u5728\u4e0d\u727a\u7272\u8d28\u91cf\u7684\u60c5\u51b5\u4e0b\u4ee4\u6570\u636e\u91cf\u51cf\u5c11\u3002\u66f4\u591a\u7684\u538b\u7f29\u5f88\u5bb9\u6613\uff0c\u800c\u66f4\u597d\u7684\u538b\u7f29\u9700\u8981\u66f4\u591a\u7684\u601d\u8003\u548c\u66f4\u597d\u7684\u6280\u672f\uff0c\u901a\u8fc7\u66f4\u667a\u80fd\u7684\u7b97\u6cd5\u6765\u5904\u7406\u56fe\u50cf\uff0c\u5728\u7ef4\u6301\u8d28\u91cf\u7684\u540c\u65f6\u4fdd\u6301\u66f4\u4f4e\u7684\u6bd4\u7279\u7387\uff0c\u8fd9\u6b63\u662fH.265\u6240\u8981\u505a\u7684\u3002<\/p>\n

\u5982\u4f55\u5b9e\u73b0\u66f4\u597d\u7684\u538b\u7f29\uff0c\u4e3e\u4f8b\u6765\u8bb2\uff0c\u6211\u4eec\u901a\u5e38\u4f1a\u53d1\u73b0\u5728\u5f88\u591a\u7684\u56fe\u50cf\u7d20\u6750\u91cc\uff0c\u5982\u89c6\u50cf\u4f1a\u8bae\u6216\u8005\u7535\u5f71\u7684\u5f88\u591a\u573a\u666f\u4e2d\uff0c\u6bcf\u4e00\u5e27\u4e0a\u7684\u5927\u90e8\u5206\u5185\u5bb9\u5e76\u6ca1\u6709\u6539\u53d8\u592a\u591a\uff0c\u89c6\u50cf\u4f1a\u8bae\u4e2d\u4e00\u822c\u53ea\u6709\u8bb2\u8bdd\u8005\u7684\u5934\u5728\u52a8(\u751a\u81f3\u53ea\u6709\u5634\u5507\u5728\u52a8)\uff0c\u800c\u80cc\u666f\u4e00\u822c\u662f\u4e0d\u52a8\u7684\uff0c\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u6211\u4eec\u7684\u505a\u6cd5\u4e0d\u662f\u5bf9\u6bcf\u4e00\u5e27\u7684\u6bcf\u4e00\u4e2a\u50cf\u7d20\u7f16\u7801\uff0c\u800c\u662f\u5bf9\u6700\u521d\u7684\u5e27\u7f16\u7801\uff0c\u7136\u540e\u4ec5\u5bf9\u53d1\u751f\u6539\u53d8\u7684\u90e8\u5206\u8fdb\u884c\u7f16\u7801\u3002<\/p>\n

\"\"<\/a><\/p>\n

H.265\u7684\u4e3b\u8981\u6539\u53d8<\/h1>\n

H.265\u6b63\u4ece\u4ee5\u4e0b\u51e0\u4e2a\u65b9\u9762\u5411\u7740\u201c\u66f4\u597d\u7684\u538b\u7f29\u201d\u8fc8\u8fdb\u3002<\/p>\n

\u56fe\u50cf\u5206\u533a<\/strong><\/p>\n

H.265\u5c06\u56fe\u50cf\u5212\u5206\u4e3a\u201c\u6811\u7f16\u7801\u5355\u5143\uff08coding tree blocks, CTU\uff09\u201d\uff0c\u800c\u4e0d\u662f\u50cfH.264\u90a3\u6837\u768416\u00d716\u7684\u5b8f\u5757\u3002\u6839\u636e\u4e0d\u540c\u7684\u7f16\u7801\u8bbe\u7f6e\uff0c\u6811\u7f16\u7801\u5757\u7684\u5c3a\u5bf8\u53ef\u4ee5\u88ab\u8bbe\u7f6e\u4e3a64\u00d764\u6216\u6709\u9650\u768432\u00d732\u621616\u00d716\u3002\u5f88\u591a\u7814\u7a76\u90fd\u5c55\u793a\u51fa\u66f4\u5927\u7684\u6811\u7f16\u7801\u5757\u53ef\u4ee5\u63d0\u4f9b\u66f4\u9ad8\u7684\u538b\u7f29\u6548\u7387\uff08\u540c\u6837\u4e5f\u9700\u8981\u66f4\u9ad8\u7684\u7f16\u7801\u901f\u5ea6\uff09\u3002\u6bcf\u4e2a\u6811\u7f16\u7801\u5757\u53ef\u4ee5\u88ab\u9012\u5f52\u5206\u5272\uff0c\u5229\u7528\u56db\u53c9\u6811\u7ed3\u6784\uff0c\u5206\u5272\u4e3a32\u00d732\u300116\u00d716\u30018\u00d78\u7684\u5b50\u533a\u57df\uff0c\u4e0b\u56fe\u5c31\u662f\u4e00\u4e2a64\u00d764\u6811\u7f16\u7801\u5757\u7684\u5206\u533a\u793a\u4f8b\u3002\u6bcf\u4e2a\u56fe\u50cf\u8fdb\u4e00\u6b65\u88ab\u533a\u5206\u4e3a\u7279\u6b8a\u7684\u6811\u7f16\u7801\u5757\u7ec4\uff0c\u79f0\u4e4b\u4e3a\u5207\u5272\uff08Slices\uff09\u548c\u62fc\u8d34\uff08Tiles\uff09\u3002\u7f16\u7801\u6811\u5355\u5143\u662fH.264\u7684\u57fa\u672c\u7f16\u7801\u5355\u4f4d\uff0c\u5982\u540cH.264\u7684\u5b8f\u5757\u3002\u7f16\u7801\u6811\u5355\u5143\u53ef\u5411\u4e0b\u5206\u533a\u7f16\u7801\u5355\u5143\uff08Coding Unit\uff0cCU\uff09\u3001\u9884\u6d4b\u5355\u5143\uff08Prediction Unit\uff0cPU\uff09\u53ca\u8f6c\u6362\u5355\u5143\uff08Transform Unit\uff0cTU\uff09\u3002<\/p>\n

\u6bcf\u4e2a\u7f16\u7801\u6811\u5355\u5143\u5185\u5305\u542b1\u4e2a\u4eae\u5ea6\u4e0e2\u4e2a\u8272\u5ea6\u7f16\u7801\u6811\u5757\uff0c\u4ee5\u53ca\u8bb0\u5f55\u989d\u5916\u4fe1\u606f\u7684\u8bed\u6cd5\u5143\u7d20\u3002\u4e00\u822c\u6765\u8bf4\u5f71\u7247\u5927\u591a\u662f\u4ee5YUV 4:2:0\u8272\u5f69\u91c7\u6837\u8fdb\u884c\u538b\u7f29\uff0c\u56e0\u6b64\u4ee516 x 16\u7684\u7f16\u7801\u6811\u5355\u5143\u4e3a\u4f8b\uff0c\u5176\u4e2d\u4f1a\u5305\u542b1\u4e2a16 x 16\u7684\u4eae\u5ea6\u7f16\u7801\u6811\u533a\u5757\uff0c\u4ee5\u53ca2\u4e2a8 x 8\u7684\u8272\u5ea6\u7f16\u7801\u6811\u533a\u5757\u3002<\/p>\n

\"\"<\/a><\/p>\n

\u7f16\u7801\u5355\u5143\u662fH.265\u57fa\u672c\u7684\u9884\u6d4b\u5355\u5143\u3002\u901a\u5e38\uff0c\u8f83\u5c0f\u7684\u7f16\u7801\u5355\u5143\u88ab\u7528\u5728\u7ec6\u8282\u533a\u57df\uff08\u4f8b\u5982\u8fb9\u754c\u7b49\uff09\uff0c\u800c\u8f83\u5927\u7684\u7f16\u7801\u5355\u5143\u88ab\u7528\u5728\u53ef\u9884\u6d4b\u7684\u5e73\u9762\u533a\u57df\u3002<\/p>\n

\"\"<\/a><\/p>\n

\u8f6c\u6362\u5c3a\u5bf8<\/strong><\/p>\n

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\"\"<\/a><\/p>\n

\u9884\u6d4b\u5355\u5143<\/strong><\/p>\n

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\u4e00\u4e2a\u7f16\u7801\u5355\u5143\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u516b\u79cd\u9884\u6d4b\u6a21\u5f0f\u4e2d\u7684\u4e00\u79cd\u8fdb\u884c\u9884\u6d4b\u3002<\/p>\n

\"\"<\/a><\/p>\n

\u5373\u4f7f\u4e00\u4e2a\u7f16\u7801\u5355\u5143\u5305\u542b\u4e00\u4e2a\u3001\u4e24\u4e2a\u6216\u56db\u4e2a\u9884\u6d4b\u5355\u5143\uff0c\u4e5f\u53ef\u4ee5\u4f7f\u7528\u4e13\u95e8\u7684\u5e27\u95f4\u6216\u5e27\u5185\u9884\u6d4b\u6280\u672f\u5bf9\u5176\u8fdb\u884c\u9884\u6d4b\uff0c\u6b64\u5916\u5185\u7f16\u7801\u7684\u7f16\u7801\u5355\u5143\u53ea\u80fd\u4f7f\u75282N\u00d72N\u6216N\u00d7N\u7684\u5e73\u65b9\u5212\u5206\u3002\u95f4\u7f16\u7801\u7684\u7f16\u7801\u5355\u5143\u53ef\u4ee5\u4f7f\u7528\u5e73\u65b9\u548c\u975e\u5bf9\u79f0\u7684\u65b9\u5f0f\u5212\u5206\u3002<\/p>\n

\u5e27\u5185\u9884\u6d4b\uff1aHEVC\u670935\u4e2a\u4e0d\u540c\u7684\u5e27\u5185\u9884\u6d4b\u6a21\u5f0f\uff08\u5305\u62ec9\u4e2aAVC\u91cc\u5df2\u6709\u7684\uff09\uff0c\u5305\u62ecDC\u6a21\u5f0f\u3001\u5e73\u9762\uff08Planar\uff09\u6a21\u5f0f\u548c33\u4e2a\u65b9\u5411\u7684\u6a21\u5f0f\u3002\u5e27\u5185\u9884\u6d4b\u53ef\u4ee5\u9075\u5faa\u53d8\u6362\u5355\u5143\u7684\u5206\u5272\u6811\uff0c\u6240\u4ee5\u9884\u6d4b\u6a21\u5f0f\u53ef\u4ee5\u5e94\u7528\u4e8e4\u00d74\u30018\u00d78\u300116\u00d716\u548c32\u00d732\u7684\u53d8\u6362\u5355\u5143\u3002<\/p>\n

\u5e27\u95f4\u9884\u6d4b\uff1a\u9488\u5bf9\u8fd0\u52a8\u5411\u91cf\u9884\u6d4b\uff0cH.265\u6709\u4e24\u4e2a\u53c2\u8003\u8868\uff1aL0\u548cL1\u3002\u6bcf\u4e00\u4e2a\u90fd\u62e5\u670916\u4e2a\u53c2\u7167\u9879\uff0c\u4f46\u662f\u552f\u4e00\u56fe\u7247\u7684\u6700\u5927\u6570\u91cf\u662f8\u3002H.265\u8fd0\u52a8\u4f30\u8ba1\u8981\u6bd4H.264\u66f4\u52a0\u590d\u6742\u3002\u5b83\u4f7f\u7528\u5217\u8868\u7d22\u5f15\uff0c\u6709\u4e24\u4e2a\u4e3b\u8981\u7684\u9884\u6d4b\u6a21\u5f0f\uff1a\u5408\u5e76\u548c\u9ad8\u7ea7\u8fd0\u52a8\u5411\u91cf\uff08Merge and Advanced MV.\uff09\u3002<\/p>\n

\"\"<\/a><\/p>\n

\u5728\u7f16\u7801\u7684\u8fc7\u7a0b\uff0c\u9884\u6d4b\u5355\u5143\u662f\u8fdb\u884c\u9884\u6d4b\u7684\u57fa\u672c\u5355\u5143\uff0c\u53d8\u6362\u5355\u5143\u662f\u8fdb\u884c\u53d8\u6362\u548c\u91cf\u5316\u7684\u57fa\u672c\u5355\u5143\u3002\u8fd9\u4e09\u4e2a\u5355\u5143\u7684\u5206\u79bb\uff0c\u4f7f\u5f97\u53d8\u6362\u3001\u9884\u6d4b\u548c\u7f16\u7801\u5404\u4e2a\u5904\u7406\u73af\u8282\u66f4\u52a0\u7075\u6d3b\uff0c<\/p>\n

\u53bb\u5757\u5316<\/strong><\/p>\n

\u4e0eH.264\u57284\u00d74\u5757\u4e0a\u5b9e\u73b0\u53bb\u5757\u5316\u6240\u4e0d\u540c\u7684\u662f\uff0cHEVC\u7684\u53ea\u80fd\u57288\u00d78\u7f51\u683c\u4e0a\u5b9e\u73b0\u53bb\u5757\u3002\u8fd9\u5c31\u80fd\u5141\u8bb8\u53bb\u5757\u7684\u5e76\u884c\u5904\u7406\uff08\u6ca1\u6709\u6ee4\u6ce2\u5668\u91cd\u53e0\uff09\u3002\u9996\u5148\u53bb\u5757\u7684\u662f\u753b\u9762\u91cc\u7684\u6240\u6709\u5782\u76f4\u8fb9\u7f18\uff0c\u7d27\u63a5\u7740\u662f\u6240\u6709\u6c34\u5e73\u8fb9\u7f18\u3002\u4e0eH.264\u91c7\u7528\u4e00\u6837\u7684\u6ee4\u6ce2\u5668\u3002<\/p>\n

\u91c7\u6837\u70b9\u81ea\u9002\u5e94\u504f\u79fb\uff08Sample Adaptive Offset\uff09<\/p>\n

\u53bb\u5757\u4e4b\u540e\u8fd8\u6709\u7b2c\u4e8c\u4e2a\u53ef\u9009\u7684\u6ee4\u6ce2\u5668\uff0c\u53eb\u505a\u91c7\u6837\u70b9\u81ea\u9002\u5e94\u504f\u79fb\u3002\u5b83\u7c7b\u4f3c\u4e8e\u53bb\u5757\u6ee4\u6ce2\u5668\uff0c\u5e94\u7528\u5728\u9884\u6d4b\u5faa\u73af\u91cc\uff0c\u7ed3\u679c\u5b58\u50a8\u5728\u53c2\u8003\u5e27\u5217\u8868\u91cc\u3002\u8fd9\u4e2a\u6ee4\u6ce2\u5668\u7684\u76ee\u6807\u662f\u4fee\u8ba2\u9519\u8bef\u9884\u6d4b\u3001\u7f16\u7801\u6f02\u79fb\u7b49\uff0c\u5e76\u5e94\u7528\u81ea\u9002\u5e94\u8fdb\u884c\u504f\u79fb\u3002<\/p>\n

\u5e76\u884c\u5904\u7406<\/strong><\/p>\n

\u7531\u4e8eHEVC\u7684\u89e3\u7801\u8981\u6bd4AVC\u590d\u6742\u5f88\u591a\uff0c\u6240\u4ee5\u4e00\u4e9b\u6280\u672f\u5df2\u7ecf\u5141\u8bb8\u5b9e\u73b0\u5e76\u884c\u89e3\u7801\u3002\u6700\u91cd\u8981\u7684\u4e3a\u62fc\u8d34\u548c\u6ce2\u524d\uff08Tiles and Wavefront\uff09\u3002\u56fe\u50cf\u88ab\u5206\u6210\u6811\u7f16\u7801\u5355\u5143\u7684\u77e9\u5f62\u7f51\u683c\uff08Tiles\uff09\u3002\u5f53\u524d\u82af\u7247\u67b6\u6784\u5df2\u7ecf\u4ece\u5355\u6838\u6027\u80fd\u9010\u6e10\u5f80\u591a\u6838\u5e76\u884c\u65b9\u5411\u53d1\u5c55\uff0c\u56e0\u6b64\u4e3a\u4e86\u9002\u5e94\u5e76\u884c\u5316\u7a0b\u5ea6\u975e\u5e38\u9ad8\u7684\u82af\u7247\u5b9e\u73b0\uff0c H.265 \u5f15\u5165\u4e86\u5f88\u591a\u5e76\u884c\u8fd0\u7b97\u7684\u4f18\u5316\u601d\u8def\u3002<\/p>\n

\"\"<\/a><\/p>\n

\u603b\u800c\u8a00\u4e4b\uff0cHEVC\u5c06\u4f20\u7edf\u57fa\u4e8e\u5757\u7684\u89c6\u9891\u7f16\u7801\u6a21\u5f0f\u63a8\u5411\u66f4\u9ad8\u7684\u6548\u7387\u6c34\u5e73\uff0c\u603b\u7ed3\u4e00\u4e0b\u5c31\u662f\uff1a<\/p>\n

\u3000\u3000-\u53ef\u53d8\u91cf\u7684\u5c3a\u5bf8\u8f6c\u6362\uff08\u4ece4\u00d74 \u523032\u00d732\uff09<\/p>\n

\u3000\u3000-\u56db\u53c9\u6811\u7ed3\u6784\u7684\u9884\u6d4b\u533a\u57df\uff08\u4ece64\u00d764\u52304\u00d74\uff09<\/p>\n

\u3000\u3000-\u57fa\u4e8e\u5019\u9009\u6e05\u5355\u7684\u8fd0\u52a8\u5411\u91cf\u9884\u6d4b\u3002<\/p>\n

\u3000\u3000-\u591a\u79cd\u5e27\u5185\u9884\u6d4b\u6a21\u5f0f\u3002<\/p>\n

\u3000\u3000-\u66f4\u7cbe\u51c6\u7684\u8fd0\u52a8\u8865\u507f\u6ee4\u6ce2\u5668\u3002<\/p>\n

\u3000\u3000-\u4f18\u5316\u7684\u53bb\u5757\u3001\u91c7\u6837\u70b9\u81ea\u9002\u5e94\u504f\u79fb\u6ee4\u6ce2\u5668\u7b49\u3002<\/p>\n

\"\"<\/a><\/p>\n

H.265\u6240\u9762\u4e34\u7684\u6311\u6218<\/h1>\n

\u4e0e\u4e4b\u524d\u4eceH.261\u5230H.264\u7684\u5176\u4ed6\u6807\u51c6\u76f8\u6bd4\uff0cH.265\u7684\u663e\u8457\u6539\u5584\u4e0d\u4ec5\u8868\u73b0\u5728\u5e27\u95f4\u538b\u7f29\u9886\u57df\uff0c\u8fd8\u8868\u73b0\u5728\u5e27\u5185\u538b\u7f29\u65b9\u9762\u3002\u7531\u4e8e\u53ef\u53d8\u91cf\u7684\u5c3a\u5bf8\u8f6c\u6362\uff0cH.265\u5728\u5757\u538b\u7f29\u65b9\u9762\u6709\u5f88\u5927\u7684\u6539\u5584\uff0c\u4f46\u662f\u589e\u52a0\u538b\u7f29\u6548\u7387\u7684\u540c\u65f6\u4e5f\u5e26\u6765\u4e86\u4e00\u4e9b\u65b0\u6311\u6218\u3002<\/p>\n

\u89c6\u9891\u7f16\u7801\u662f\u4e00\u4e2a\u590d\u6742\u7684\u95ee\u9898\uff0c\u5bf9\u4e8e\u5185\u5bb9\u7684\u4f9d\u8d56\u6027\u5f88\u9ad8\u3002\u4f17\u6240\u5468\u77e5\uff0c\u6709\u9759\u6001\u80cc\u666f\u7684\u548c\u9ad8\u4eae\u7684\u4f4e\u52a8\u6001\u573a\u666f\u53ef\u4ee5\u6bd4\u9ad8\u52a8\u6001\u3001\u9ed1\u573a\u7684\u56fe\u7247\u8fdb\u884c\u66f4\u591a\u7684\u538b\u7f29\u3002\u6240\u4ee5\u5bf9\u4e8e\u50cfH.264\u8fd9\u6837\u7684\u73b0\u4ee3\u5316\u7f16\u89e3\u7801\u5668\u6765\u8bf4\u9996\u8981\u89e3\u51b3\u7684\u662f\u6700\u56f0\u96be\u7684\u573a\u666f\/\u60c5\u5883\u3002\u4f8b\u5982\uff0c\u6709\u7ec6\u8282\u7684\u5173\u952e\u5e27\u3001\u9ad8\u52a8\u6001\u7684\u201c\u52fe\u8fb9\uff08crisp\uff09\u201d\u56fe\u50cf\u3001\u9ed1\u6697\u533a\u57df\u7684\u6162\u52a8\u6001\u3001\u566a\u58f0\/\u7eb9\u7406\u7b49\u3002<\/p>\n

H.265\u5728\u5e27\u5185\u7f16\u7801\u65b9\u9762\u6548\u7387\u66f4\u9ad8\uff0c\u6240\u4ee5\u7ec6\u8282\u533a\u57df\u53ef\u4ee5\u88ab\u7f16\u7801\u5f97\u66f4\u597d\uff0c\u5728\u5e73\u6ed1\u533a\u57df\u548c\u6e10\u53d8\u533a\u57df\u4e5f\u662f\u5982\u6b64\u3002\u4e0eH.264\u76f8\u6bd4\uff0cH.265\u7684\u8fd0\u52a8\u4f30\u8ba1\u548c\u538b\u7f29\u66f4\u6709\u6548\uff0c\u800c\u4e14\u5728\u4f2a\u5f71\u51fa\u73b0\u524d\u53ef\u4ee5\u5728\u66f4\u4f4e\u7684\u6bd4\u7279\u7387\u4e0a\u64cd\u4f5c\u3002\u597d\u6d88\u606f\u662f\uff0cH.265\u4ea7\u751f\u7684\u4f2a\u5f71\u66f4\u52a0\u201c\u5e73\u6ed1\u201d\uff0c\u8d28\u91cf\u7684\u964d\u4f4e\u4e5f\u975e\u5e38\u534f\u8c03\uff0c\u5373\u4fbf\u5bf9\u975e\u5e38\u6fc0\u8fdb\u7684\u5206\u8fa8\u7387\/\u6bd4\u7279\u7387\u7f16\u7801\u65f6\uff0c\u4e5f\u89c2\u611f\u826f\u597d\u3002<\/p>\n

\u7136\u800c\uff0c\u6b63\u5982\u786c\u5e01\u7684\u4e24\u9762\uff0c\u5f53\u5904\u7406\u9ed1\u6697\u533a\u57df\u7684\u6162\u52a8\u6001\u548c\u566a\u58f0\/\u7eb9\u7406\u4e24\u79cd\u95ee\u9898\u65f6\uff0cH.265\u7684\u4f18\u52bf\u4e5f\u4f1a\u53d8\u6210\u5f31\u52bf\u3002\u9ed1\u6697\u533a\u57df\u548c\u566a\u58f0\/\u7eb9\u7406\u8981\u6c42\u66f4\u7cbe\u786e\u7684\u9ad8\u9891\u4fdd\u7559\u548c\u66f4\u5c0f\u7684\u8272\u9636\u53d8\u5316\u3002\u8fd9\u901a\u5e38\u88ab\u79f0\u4e4b\u4e3a\u7f16\u7801\u7684\u5fc3\u7406\u4f18\u5316\u3002<\/p>\n

\u7531\u4e8eH.264\u4f7f\u7528\u5c0f\u7684\u8f6c\u6362\uff0c\u53ef\u4ee5\u8f7b\u677e\u5c06\u91cf\u5316\u8bef\u5dee\u53d8\u6210\u7279\u5f81\/\u7ec6\u8282\uff0c\u867d\u7136\u4e0e\u539f\u59cb\u5185\u5bb9\u4e0d\u540c\uff0c\u4f46\u662f\u611f\u89c9\u4e0a\u201c\u8fd1\u4f3c\u201d\u3002\u63a5\u8fd1\u539f\u751f\u9891\u7387\u8303\u56f4\u7684\u8bef\u5dee\u751f\u6210\u53ef\u4ee5\u901a\u8fc7\u5c0f\u7684\u8fb9\u754c\u8f6c\u6362\u6765\u963b\u6b62\uff0c\u56e0\u6b64\u4e5f\u66f4\u52a0\u53ef\u63a7\u3002\u800c\u66f4\u5927\u8f6c\u6362\u7684H.265\u8981\u4f7f\u7528\u8fd9\u79cd\u65b9\u5f0f\u5219\u4f1a\u66f4\u52a0\u590d\u6742\u3002<\/p>\n

H.265\u7f16\u7801\u89c6\u9891\u7684\u5b58\u50a8\u4f9d\u7136\u662f\u4e2a\u95ee\u9898\uff0c\u5373\u4f7f\u84dd\u5149\u5149\u76d8\u534f\u4f1a\u6b63\u5728\u5bfb\u6c42\u4e00\u4e2a\u80fd\u591f\u5728\u84dd\u5149\u5149\u76d8\u4e0a\u5b58\u50a84K\u89c6\u9891\u7684\u89e3\u51b3\u65b9\u6848\u3002\u53ea\u6709\u81f3\u5c11\u8fbe\u5230100GB\u5bb9\u91cf\u7684\u5149\u789f\u624d\u80fd\u5b58\u50a8H.264\u7f16\u7801\u7684\u84dd\u51494K\u7535\u5f71\u3002\u800c\u53e6\u4e00\u65b9\u9762\uff0c\u5373\u4f7fH.265\u7f16\u7801\u548c\u82af\u7247\u90e8\u4ef6\u5df2\u7ecf\u51c6\u5907\u5c31\u7eea\uff0c\u4f46\u662f\u4ecd\u7136\u7f3a\u5c11\u652f\u63014K\u5185\u5bb9\u7684\u5b58\u50a8\u548c\u91cd\u653e\u89e3\u51b3\u65b9\u6848\uff0c\u5e76\u4e14\u80fd\u591f\u517c\u5bb9\u73b0\u6709\u7684\u84dd\u5149\u6807\u51c6\u3002\u8fd9\u4e5f\u662fH.265\u53d1\u5c55\u4e2d\u7684\u4e00\u4e2a\u4e3b\u8981\u6311\u6218\u3002<\/p>\n

\u4eca\u5929\uff0c\u6211\u4eec\u5e94\u8be5\u5982\u4f55\u5bf9\u5f85H.264\u548cH.265\uff1f<\/h1>\n

\u5f53\u4f60\u8003\u8651\u201c\u53ea\u662f\u5728\u666e\u901a\u4e92\u8054\u7f51\u4e0a\u4f20\u8f934K\u5185\u5bb9\uff0c\u8fd8\u662f\u8981\u5b9e\u73b0\u6700\u597d\u7684\u56fe\u50cf\u8d28\u91cf\u201d\u4e4b\u65f6\uff0c\u5c31\u8981\u5148\u5398\u6e05\u201c\u66f4\u591a\u7684\u538b\u7f29\u201d\u548c\u201c\u66f4\u597d\u7684\u538b\u7f29\u201d\u8fd9\u4e24\u4e2a\u6982\u5ff5\u3002\u5982\u679c\u53ea\u662f\u66f4\u591a\u7684\u538b\u7f29\uff0c4K\u548c\u8d85\u9ad8\u6e05\u4e0d\u4e00\u5b9a\u8981\u4fdd\u8bc1\u6bd4\u4eca\u5929\u76841080p\u6216HD\u505a\u5230\u66f4\u597d\u7684\u56fe\u7247\u8d28\u91cf\u3002\u66f4\u597d\u7684\u538b\u7f29\u5219\u610f\u5473\u7740\u66f4\u806a\u660e\u7684\u538b\u7f29\uff0c\u9762\u5bf9\u540c\u6837\u7684\u539f\u59cb\u7d20\u6750\uff0c\u66f4\u597d\u7684\u538b\u7f29\u4f1a\u4ee5\u66f4\u597d\u7684\u65b9\u5f0f\uff0c\u5728\u4e0d\u727a\u7272\u8d28\u91cf\u7684\u60c5\u51b5\u4e0b\u4ee4\u6570\u636e\u91cf\u51cf\u5c11\u3002\u66f4\u591a\u7684\u538b\u7f29\u5f88\u5bb9\u6613\uff0c\u800c\u66f4\u597d\u7684\u538b\u7f29\u9700\u8981\u66f4\u591a\u7684\u601d\u8003\u548c\u66f4\u597d\u7684\u6280\u672f\uff0c\u901a\u8fc7\u66f4\u667a\u80fd\u7684\u7b97\u6cd5\u6765\u5904\u7406\u56fe\u50cf\uff0c\u5728\u7ef4\u6301\u8d28\u91cf\u7684\u540c\u65f6\u4fdd\u6301\u66f4\u4f4e\u7684\u6bd4\u7279\u7387\uff0c\u8fd9\u6b63\u662fH.265\u6240\u8981\u505a\u7684\u3002<\/p>\n

\u5982\u4f55\u5b9e\u73b0\u66f4\u597d\u7684\u538b\u7f29\uff0c\u4e3e\u4f8b\u6765\u8bb2\uff0c\u6211\u4eec\u901a\u5e38\u4f1a\u53d1\u73b0\u5728\u5f88\u591a\u7684\u56fe\u50cf\u7d20\u6750\u91cc\uff0c\u5982\u89c6\u50cf\u4f1a\u8bae\u6216\u8005\u7535\u5f71\u7684\u5f88\u591a\u573a\u666f\u4e2d\uff0c\u6bcf\u4e00\u5e27\u4e0a\u7684\u5927\u90e8\u5206\u5185\u5bb9\u5e76\u6ca1\u6709\u6539\u53d8\u592a\u591a\uff0c\u89c6\u50cf\u4f1a\u8bae\u4e2d\u4e00\u822c\u53ea\u6709\u8bb2\u8bdd\u8005\u7684\u5934\u5728\u52a8(\u751a\u81f3\u53ea\u6709\u5634\u5507\u5728\u52a8)\uff0c\u800c\u80cc\u666f\u4e00\u822c\u662f\u4e0d\u52a8\u7684\uff0c\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u6211\u4eec\u7684\u505a\u6cd5\u4e0d\u662f\u5bf9\u6bcf\u4e00\u5e27\u7684\u6bcf\u4e00\u4e2a\u50cf\u7d20\u7f16\u7801\uff0c\u800c\u662f\u5bf9\u6700\u521d\u7684\u5e27\u7f16\u7801\uff0c\u7136\u540e\u4ec5\u5bf9\u53d1\u751f\u6539\u53d8\u7684\u90e8\u5206\u8fdb\u884c\u7f16\u7801\u3002<\/p>\n

H.265 PK VP9<\/h1>\n

\u5728H.265\u5927\u6b65\u5411\u524d\u7684\u540c\u65f6\uff0c\u8c37\u6b4cVP8\u7684\u7ee7\u4efb\u8005VP9\u4e5f\u5df2\u63a8\u51fa\uff0c\u540c\u6837\u5728VP8\u7684\u57fa\u7840\u4e0a\u53f7\u79f0\u7f16\u7801\u6548\u7387\u63d0\u9ad850%\uff0c\u652f\u63018K\u5185\u5bb9\u3002VP9\u662f\u4e00\u4e2a\u5f00\u6e90\u548c\u514d\u8d39\u7684\u89c4\u683c\uff0c\u662fWebM\u67b6\u6784\u7684\u4e00\u90e8\u5206\u3002\u8c37\u6b4c\u5df2\u7ecf\u5728Chrome\u6d4f\u89c8\u5668\u548cYouTube\u4e2d\u6574\u5408\u652f\u6301VP9\u3002<\/p>\n

\u4e0eH.265\u5728\u8868\u9762\u4e0a\u7c7b\u4f3c\uff0c\u5b83\u540c\u6837\u53ef\u4ee5\u6293\u53d664\u00d764\u4e2a\u8d85\u7ea7\u5757\u3002\u4f46265\u4e0d\u540c\u7684\u662f\uff0c\u5b83\u4e0d\u4e00\u5b9a\u662f\u5e73\u65b9\u5f62\u5f0f\u7684\uff0c\u6240\u4ee5\u5b83\u53ef\u4ee5\u4ee564\u00d732\u62164\u00d78\u7684\u5757\u6765\u91c7\u6837\uff0c\u5b9e\u73b0\u66f4\u5927\u7684\u6548\u76ca\u3002\u4f46\u53e6\u4e00\u65b9\u9762\uff0c\u5b83\u53ea\u670910\u4e2a\u9884\u6d4b\u6a21\u5f0f\u6765\u91cd\u5efa\u5b83\u4eec\u3002<\/p>\n

\u4e24\u8005\u90fd\u5f88\u5927\u7a0b\u5ea6\u4e0a\u7b80\u5316\u4e86\u73b0\u6709\u8fd9\u4e9b\u683c\u5f0f\uff0c\u5c3d\u7ba1\u5b9e\u73b0\u4e86\u76f8\u8fd1\u7684\u6587\u4ef6\u5c3a\u5bf8\uff0c\u6709\u521d\u6b65\u7684\u62a5\u544a\u8ba4\u4e3a\uff0cH.265\u6709\u66f4\u9ad8\u7684\u56fe\u50cf\u8d28\u91cf\uff0c\u800cVP9\u5bf9\u4e8e\u6d41\u5a92\u4f53\u6765\u8bf4\u66f4\u52a0\u53ef\u9760\u3002H.265\u66f4\u5927\u7684\u9884\u6d4b\u6a21\u578b\u5b9e\u73b0\u4e86\u8fb9\u7f18\u53ef\u89c6\u5316\uff0c\u800cVP9\u5b9e\u65bd\u66f4\u4e25\u683c\u7684\u7f16\u7801\u89c4\u5219\uff0c\u4f3c\u4e4e\u53ef\u4ee5\u8ba9\u6d41\u5a92\u4f53\u66f4\u52a0\u8fde\u8d2f\u548c\u53ef\u9760\u3002<\/p>\n

H.265\u4e0eVP9\u7684\u6bd4\u8f83\u6709\u4e00\u70b9\u7c7b\u4f3c\u4e8eHDMI\u4e0eDisplayPort\u7684\u6bd4\u8f83\u3002\u540e\u8005\u4ee5\u7248\u6743\u514d\u8d39\u7684\u65b9\u5f0f\u53bb\u4e89\u53d6\u4e00\u5e2d\u7a7a\u95f4\uff0c\u4f46\u662f\u524d\u8005\u7684\u65e0\u5904\u4e0d\u5728\u7684\u5e94\u7528\u610f\u5473\u7740\u5b83\u4f1a\u6709\u66f4\u5e7f\u6cdb\u7684\u884c\u4e1a\u652f\u6301\u3002\u8fd9\u4e5f\u662f\u4e4b\u524dH.264\u8f7b\u677e\u6253\u8d25VP8\u7684\u539f\u56e0\u3002<\/p>\n

\u4e0e\u6b64\u540c\u65f6\uff0c\u7b2c\u4e09\u4e2a\u538b\u7f29\u683c\u5f0f\u4e5f\u5728\u89c4\u5212\u4e4b\u4e2d\uff0cXiph.Org\u57fa\u91d1\u4f1a\u5f00\u53d1\u4e86\u201cDaala\u201d\uff0c\u867d\u7136\u5b83\u8fd8\u6bd4\u8f83\u9065\u8fdc\uff0c\u4f46\u662fXiph\u79f0\u5176\u5c06\u662f\u6027\u80fd\u8d85\u8d8aH.265\u548cVP9\u7684\u65b0\u4e00\u4ee3\u89c4\u683c\u3002<\/p>\n

H.265\u7684\u672a\u6765<\/h1>\n

\u9ad8\u50cf\u7d20\u6570\u91cf\u5bfc\u81f4\u9700\u8981\u66f4\u590d\u6742\u7684\u7f16\u89e3\u7801\u5668\u6765\u6700\u5c0f\u5316\u5e26\u5bbd\u9700\u6c42\u3002\u6301\u7eed\u8fde\u63a5PC\u6216TV\uff0c\u5e73\u6ed1\u5904\u74064K\u4fe1\u53f7\u7684\u6700\u5c0f\u7801\u6d41\u662f20Mbit\/s\uff0c\u4f8b\u5982Netflix\u8981\u6c42\u7528\u6237\u7684\u4e92\u8054\u7f51\u8fde\u63a5\u81f3\u5c11\u63d0\u4f9b\u6301\u7eed\u768425Mbit\/s\u5e26\u5bbd\u91cf\u300220\u523025Mbit\/s\u4ee3\u8868\u5e26\u5bbd\u7684\u5de8\u5927\u6539\u5584\uff0c\u539f\u751f\u7684\u3001\u975e\u538b\u7f29\u76844K\u89c6\u9891\u9700\u8981\u572860Mbit\/s\u7684\u5e26\u5bbd\u4e0a\u624d\u4f1a\u6709\u597d\u7684\u8868\u73b0\u3002<\/p>\n

\u5bf9\u4e8e\u5927\u591a\u6570\u7684\u884c\u4e1a\u5e94\u7528\u6765\u8bf4\uff0cH.265\u5c31\u662f\u89e3\u51b3\u8fd9\u4e00\u95ee\u9898\u7684\u7b54\u6848\u4e4b\u4e00\uff0c\u4f46\u662f\u4e5f\u8981\u4ed8\u51fa\u4e00\u5b9a\u4ee3\u4ef7\uff1a\u663e\u8457\u589e\u52a0\u7684\u7b97\u6cd5\u590d\u6742\u6027\u636e\u8bf4\u9700\u898110\u500d\u76ee\u524d2K\u90e8\u7f72\u6240\u7528H.264\u7f16\u89e3\u7801\u5668\u7684\u8ba1\u7b97\u80fd\u529b\u6765\u652f\u6491\uff0c\u800c\u63d0\u4f9b\u8fd9\u79cd\u80fd\u529b\u6240\u9700\u7684\u7845\u4e5f\u8fdc\u975e\u4e00\u4e2a\u7b80\u5355\u7684\u5546\u54c1\u6761\u76ee\u3002<\/p>\n

\u5f88\u591a\u5236\u9020\u5546\u5e0c\u671b\u5728\u4e0a\u6e38\u82af\u7247\u548cIC\u6280\u672f\u4f9b\u5e94\u5546\u7684\u52aa\u529b\u4e4b\u4e0b\uff0c\u89e3\u51b3\u6210\u672c\u548c\u529f\u80fd\u4e0d\u5e73\u8861\u7684\u95ee\u9898\uff0c\u8ba9H.265\u5feb\u901f\u53d6\u4ee3H264\u3002\u5c31\u76ee\u524d\u6765\u770b\uff0cH.265\u5728\u5e7f\u7535\u9886\u57df\u5df2\u7ecf\u6709\u6bd4\u8f83\u597d\u7684\u53d1\u5c55\uff0c\u4f46\u662f\u5426\u4e5f\u4f1a\u6210\u4e3a\u4e13\u4e1a\u5e94\u7528\u9886\u57df\u7684\u4e3b\u6d41\u89c4\u8303\u8fd8\u5b58\u6709\u7591\u95ee\u3002\u56e0\u4e3a\u5b89\u9632\u76d1\u63a7\u9886\u57df\u7b49\u4e13\u4e1a\u9886\u57df\u4e0d\u4ec5\u53d7\u5236\u4e8e\u4e0a\u8ff0\u6311\u6218\uff0c\u800c\u4e14\u8fd8\u8981\u770b\u7ec8\u7aef\u7528\u6237\u3002\u5bf9\u4e8e\u9879\u76ee\u5316\u7684\u4e13\u4e1a\u7528\u6237\u548c\u9700\u8981\u76d1\u63a7\u7684\u4e00\u822c\u6d88\u8d39\u8005\u800c\u8a00\uff0c\u5e73\u5b89\u57ce\u5e02\u3001\u4ea4\u901a\u68c0\u6d4b\u548c\u94f6\u884c\u76d1\u63a7\u8fd9\u7c7b\u4e13\u4e1a\u7528\u6237\u9700\u8981\u66f4\u52a0\u7a33\u5b9a\u548c\u53ef\u9760\u7684\u7cfb\u7edf\u3002\u4ed6\u4eec\u4e2d\u5927\u591a\u6570\u5df2\u7ecf\u5728\u4f7f\u7528\u73b0\u6709\u7684\u6280\u672f\uff0c\u5bf9\u4e8e\u662f\u5426\u91c7\u7528H.265\u8fd8\u5fc3\u5b58\u72b9\u8c6b\uff0c\u8fd9\u5c31\u9700\u8981\u66f4\u957f\u7684\u9a8c\u8bc1\u5468\u671f\u3002<\/p>\n

\u53e6\u4e00\u65b9\u9762\uff0c\u4e2d\u5c0f\u4f01\u4e1a\u548c\u5bb6\u5ead\u3001\u5546\u5e97\u7528\u6237\u7b49\u6d88\u8d39\u8005\u9700\u8981\u4f4e\u5b89\u88c5\u6210\u672c\uff0c\u56e0\u6b64\u66f4\u52a0\u503e\u5411\u4e8e\u91c7\u7528\u65b0\u6280\u672f\u3002\u57fa\u4e8e\u8fd9\u4e2a\u539f\u56e0\uff0cH.265\u53ef\u80fd\u9996\u5148\u5728\u4e2d\u5c0f\u4f01\u4e1a\u5e94\u7528\u4e2d\u83b7\u5f97\u6210\u529f\uff0c\u5e76\u5728\u6d88\u8d39\u8005\u5e02\u573a\u83b7\u5f97\u8ba4\u53ef\u3002\u5982\u679cH.265\u6807\u51c6\u5feb\u901f\u6210\u719f\uff0c\u5176\u538b\u7f29\u6548\u7387\u6bd4H.264\u63d0\u534750%\uff0c\u5b83\u5c31\u80fd\u591f\u8282\u770120%\u7684\u6295\u8d44\uff0c\u4fdd\u8bc1\u66f4\u9ad8\u7684\u6027\u80fd\u548c\u66f4\u66ff\u7684\u7f51\u7edc\u548c\u7cfb\u7edf\u5efa\u8bbe\u6210\u672c\u3002<\/p>\n

 <\/p>\n

\u6458\u81ea\uff1ahttps:\/\/blog.csdn.net\/xiaojun111111\/article\/details\/61199130<\/p>\n","protected":false},"excerpt":{"rendered":"

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