{"id":364,"date":"2017-09-29T22:32:05","date_gmt":"2017-09-29T14:32:05","guid":{"rendered":"http:\/\/wangjun.name\/?p=364"},"modified":"2017-09-29T22:32:05","modified_gmt":"2017-09-29T14:32:05","slug":"mp4%e6%a0%bc%e5%bc%8f%e6%96%87%e4%bb%b6%e8%bd%ac%e7%a0%81%e5%90%8e%e5%a4%84%e7%90%86%ef%bc%88qt-faststart%e5%b7%a5%e5%85%b7%e4%bb%8b%e7%bb%8d%ef%bc%89","status":"publish","type":"post","link":"https:\/\/www.020cta.com\/?p=364","title":{"rendered":"mp4\u683c\u5f0f\u6587\u4ef6\u8f6c\u7801\u540e\u5904\u7406\uff08qt-faststart\u5de5\u5177\u4ecb\u7ecd\uff09"},"content":{"rendered":"

\u5f53\u524d\u5f88\u591a\u5de5\u5177\u80fd\u63d0\u4f9bmp4\u683c\u5f0f\u7684\u8f6c\u6362\u8f93\u51fa\uff0c\u4f46\u6709\u65f6\u8f93\u51fa\u7684\u683c\u5f0f\u62ff\u5230\u7f51\u7edc\u4e0a\u540e\u53d1\u73b0\u9700\u8981\u5b8c\u6574\u4e0b\u8f7d\u540e\u624d\u80fd\u5f00\u59cb\u64ad\u653e\uff0c\u800c\u4e0d\u80fd\u50cf\u7f51\u4e0a\u7684\u5f88\u591a\u89c6\u9891\u90a3\u6837\u4e00\u5f00\u59cb\u5c31\u80fd\u64ad\u653e\uff08\u8fb9\u4e0b\u8fb9\u653e\uff09\uff0c\u9020\u6210\u8fd9\u4e2a\u95ee\u9898\u7684\u539f\u56e0\u662f\u4e00\u4e9b\u63cf\u8ff0mp4\u6587\u4ef6\u4fe1\u606f\u7684moov atom<\/code>\u5143\u6570\u636e\u9ed8\u8ba4\u653e\u7f6e\u5728\u4e86\u89c6\u9891\u6587\u4ef6\u7684\u6700\u540e\uff0c\u800c\u6240\u6709\u7684\u64ad\u653e\u5668\uff08\u5305\u62ec\u72ec\u7acb\u7684\u3001\u7f51\u7edc\u5316\u7684\u2014\u2014\u5982\u6d4f\u89c8\u5668\uff09\u90fd\u9700\u8981\u8fd9\u4e9b\u4fe1\u606f\u6765\u6b63\u786e\u6784\u5efa\u64ad\u653e\uff08\u6bd4\u5982\u89c6\u9891\u5206\u8fa8\u7387\u5230\u5e95\u662f\u591a\u5c11\uff0c\u89c6\u9891\u5230\u5e95\u6709\u591a\u957f……\uff09\u7531\u6b64\u9700\u8981\u628a\u8fd9\u4e9b\u4fe1\u606f\u60f3\u529e\u6cd5\u79fb\u52a8\u5230mp4\u6587\u4ef6\u7684\u524d\u90e8\uff0c\u8fd9\u6837\u8bfb\u53d6\u5230\u8fd9\u4e9b\u4fe1\u606f\u540e\u5ba2\u6237\u7aef\u64ad\u653e\u5668\u5c31\u53ef\u4ee5\u642d\u8d77\u64ad\u653e\u73af\u5883\uff0c\u540e\u7eed\u53ea\u9700\u8981\u64ad\u653e\u6570\u636e\u5373\u53ef\u3002\u80fd\u5b8c\u6210\u8fd9\u9879\u5de5\u4f5c\u7684\u5de5\u5177\u6709\u5f88\u591a\uff0c\u8fd9\u91cc\u4ecb\u7ecdqt-faststart<\/code>\u8fd9\u4e2a\u5c0f\u7a0b\u5e8f\u3002<\/p>\n

<\/a>qt-faststart<\/code>\u7b80\u4ecb<\/h2>\n

qt-faststart\u662f\u4e00\u4e2a\u7531Mike Melanson (melanson@pcisys.net)\u5199\u7684\u5f00\u6e90\u7a0b\u5e8f\uff0c\u662f\u4e00\u4e2a\u547d\u4ee4\u884c\u5de5\u5177\u3002\u4f60\u53ef\u80fd\u53ef\u4ee5\u5728\u5f88\u591a\u5730\u65b9\u627e\u5230\u5b83\u7684\u6e90\u7801\uff0c\u6211\u4e00\u822c\u662f\u5728FFmpeg<\/code>\u7684\u6e90\u7801\u4e2d\u62ff\uff0c\u5b83\u901a\u5e38\u653e\u5728FFmpeg<\/code>\u6e90\u7801\u7684tools<\/code>\u76ee\u5f55\u4e0b\uff0c\u6bd4\u5982github<\/code>\u4ed3\u5e93\u4e2d\u7684\u4f4d\u7f6e\u4e3a<a href=”https:\/\/github.com\/FFmpeg\/FFmpeg\/blob\/master\/tools\/qt-faststart.c” target=”_blank title=” https:=”” github.com=”” ffmpeg=”” blob=”” master=”” tools=”” qt-faststart.c”=”” style=”box-sizing: border-box; background-color: transparent; color: rgb(51, 122, 183); text-decoration: none;”>https:\/\/github.com\/FFmpeg\/FFmpeg\/blob\/master\/tools\/qt-faststart.c\u3002\u8be5\u7a0b\u5e8f\u53ea\u6709\u4e00\u4e2a\u6e90\u7801\u6587\u4ef6\uff0c\u5f88\u5c0f\uff08\u4e0d\u523013KB\uff09\u3002<\/p>\n

<\/a>qt-faststart<\/code>\u7f16\u8bd1\u4e0e\u4f7f\u7528<\/h2>\n

\u8981\u4f7f\u7528\u5b83\u9700\u8981\u5148\u7f16\u8bd1,\u8fd9\u4e2a\u7a0b\u5e8f\u80fd\u5229\u7528\u5927\u591a\u6570\u7f16\u8bd1\u5de5\u5177\u5b9e\u73b0\u7f16\u8bd1\uff0c\u56e0\u4e3a\u6211\u4e00\u822c\u5728linux<\/code>\u4e0b\u4f7f\u7528\uff0c\u6240\u4ee5\u76f4\u63a5make tools\/qt-faststart.c<\/code>\u00a0\u5373\u53ef\u5728tools<\/code>\u76ee\u5f55\u4e0b\u4ea7\u751f\u51fa\u540d\u4e3aqt-faststart<\/code>\u7684\u53ef\u6267\u884c\u6587\u4ef6\uff0c\u7136\u540e\u628a\u7f16\u8bd1\u8f93\u51fa\u7ed3\u679c\u653e\u7f6e\u5230\u7cfb\u7edf\u641c\u7d22\u8def\u5f84\u4e2d\u5373\u53ef\u4ee5qt-faststart<\/code>\u6765\u8fdb\u884c\u8c03\u7528\u4f7f\u7528\u4e86\u3002<\/p>\n

qt-faststart<\/code>\u7684\u4f7f\u7528\u5341\u5206\u7b80\u5355\uff0c\u5176\u8c03\u7528\u683c\u5f0f\u4e3a<\/p>\n

<\/code><\/pre>\n
\n
<\/div>\n
 qt-faststart <inMp4FilePath<\/span>><\/span> <outMp4FilePath<\/span>><\/span><\/span><\/div>\n
    \n
  • <inMp4FilePath><\/code>:\u8868\u793a\u8c03\u6574\u524d\u7684mp4\u6587\u4ef6\u8def\u5f84<\/li>\n
  • <outMp4FilePath><\/code>:\u8868\u793a\u8c03\u6574\u540e\u7684\u8f93\u51famp4\u6587\u4ef6\u8def\u5f84<\/li>\n<\/ul>\n
    mp4\u6587\u4ef6\u8def\u5f84\u53ef\u4ee5\u662f\u7edd\u5bf9\u6216\u8005\u76f8\u5bf9\u8def\u5f84\u3002<\/p>\n
    \u8865\u5145\u8bf4\u660e\uff1a<\/p>\n
      \n
    1. mp4\u6587\u4ef6\u4e5f\u53ef\u4ee5\u66ff\u6362\u4e3amov\u6587\u4ef6\uff0c\u56e0\u4e3a\u8fd9\u4e2a\u5de5\u5177\u5176\u5b9e\u6700\u5f00\u59cb\u662f\u4e3aQuickTime\u683c\u5f0f\u89c6\u9891\u6587\u4ef6\u7f16\u5199\u7684<\/li>\n
    2. mp4\/mov \u6587\u4ef6\u4e2d\u7684moov atom<\/code>\u6570\u636e\u5fc5\u987b\u662f\u975e\u538b\u7f29\u7684\u624d\u80fd\u5229\u7528\u8fd9\u4e2a\u5de5\u5177\u3002<\/li>\n<\/ol>\n
      \u8f6c\u81ea\uff1ahttp:\/\/xdsnet.github.io\/index.html?name=%E6%9D%82%E8%B0%88:mp4%E6%A0%BC%E5%BC%8F%E6%96%87%E4%BB%B6%E8%BD%AC%E7%A0%81<\/div>\n","protected":false},"excerpt":{"rendered":"
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