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ATS??�a��-e��e?�?��?�??S�c��a?�cZ�a?Ye?�c�?

2013年11月26日     浏览数:367 发表评论 阅读评论

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  • a�ze��e?�?��cs�url:
http://60.217.251.13/youku/677395829164A83FD52924414B/03000807005264E326092B055DF5316FC5CED4-3430-C4BD-95EC-A20F7AA746AB.mp4?nk=66995490785_23085119593&ns=X_2Y       //a�?a??a??OriginUrl1
http://60.217.251.13/youku/677395829164A83FD52924414B/03000807005264E326092B055DF5316FC5CED4-3430-C4BD-95EC-A20F7AA746AB.mp4?start=XXX       //a�?a??a??OriginUrl2
  • a�z???Urli?s
    http://60.217.251.13/youku/677395829164A83FD52924414B/03000807005264E326092B055DF5316FC5CED4-3430-C4BD-95EC-A20F7AA746AB.mp4   //a�?a??a??SourceUrl
  • ATSc?�a�?a?�cs�url:
    http://www.youku.com/03000807005264E326092B055DF5316FC5CED4-3430-C4BD-95EC-A20F7AA746AB.mp4       //a�?a??a??CacheUrl
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a????�a��a?�a��e?�?��?�?a��i??urlaZ�?Z�a?�?��i??c��a?Za?�a?Srange:

http://60.217.251.13/youku/677395829164A83FD52924414B/03000807005264E326092B055DF5316FC5CED4-3430-C4BD-95EC-A20F7AA746AB.mp4a�?range:X-X+Y-1(a��?��???e?�a??a��a??)a?�e??a?�a��a?�a?Zi??ATSe�?a��?�???�rangee?�?��cs�e�?e?�e��e?�aZ�a��c?�a��??�a��??�a?�e?�a??aSYe??a?�a?Zi??a??a�??�?a??a��c?�OriginUrl1cs�?��?�??�?a??a��

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  • ?��aS�hook

TSHttpHookAdd(TS_HTTP_READ_REQUEST_HDR_HOOK, TSContCreate(ReadRequesthdrHookHandle, NULL));
TSHttpHookAdd(TS_HTTP_CACHE_LOOKUP_COMPLETE_HOOK, TSContCreate(CacheLookupCompleteHookHandle, NULL));

  • TS_HTTP_READ_REQUEST_HDR_HOOK e��e??a��c?�e?�?��URLi??a?�e�?c?�CacheUrl
    TSHttpTxnClientReqGet(txnp, &req_bufp, &req_loc)a?�a�?urli??c��a?Ze�?c�?luae�s??�i????�a��a?�a��a?�e�?c�?luaa??a�?a?�c��ts-luaa?�cs�a??c�??�?a??i?�i??e?�a�z?��?�??�?a??i???��?�?starti???��?�?endi??CacheUrli??SourceUrli??a��e??Url(a��aZY??�urla?�?�?a??a��e??Url)
    TSCacheUrlSet(txnp, CacheUrl, CacheUrl.length()) //TSCacheUrlSeti??a?�c��cacheurl.soa?�cs�a?s??�
  • TS_HTTP_CACHE_LOOKUP_COMPLETE_HOOK a??CacheLookUpHook?��a?�?��???MISSe?????HITi??MISSa��a??a�sa��c�?a?�i??HIT?�?a???�?a�???�c�?
    a�Za��e??Urla?�eZ�a?�?��?�?a?�?��a�??�?a??i??c��a?Za??a��a?�transforme�?a?�cs�e�?a�sa?�cs�c��?z�a?�i??c?????a�?example/append_transformi?�a��e?�a?�?��??�e��a�?c��c��?z�a?�a?�cs�a??e�?

    TransformUserData pUserData = TransformUserDataAlloc();
    connp = TSTransformCreate(CacheTransformHookHandle, txnp);
    TSContDataSet(connp, (void
    )pUserData);
    TSHttpTxnUntransformedRespCache(txnp, 1);//e?�a?�a??a�?a?�e??a?�a?????a�Se?�TSa??c?�a�?transforma?�a�?cs�?��??�i??a??c?�a�?transforma?�a?Zcs�?��??�i???S?c??a?�??�a?�a��i??a???��?�Ye�?e?�a?�a��a��a�?e�?a�?i?�
    TSHttpTxnTransformedRespCache(txnp, 0);
    TSHttpTxnHookAdd(txnp, TS_HTTP_RESPONSE_TRANSFORM_HOOK, connp);

  • transforme?�c?�

    pUserData = (TransformUserData*)TSContDataGet(contp); //a?�a�?e�????a?�cs�?��??�

    a??a��a?�TransformUserDataa?�cs�buffer,reader,vioc��

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  1. 水中捞月
    2015年7月13日11:27 | #1

    我的做法是先参考background_getch先缓存视频片段,然后在用transform返回range,这样对于优酷测试过是可以的

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