/**********
This?library?is?free?software;?you?can?redistribute?it?and/or?modify?it?under
the?terms?of?the?GNU?Lesser?General?Public?License?as?published?by?the
Free?Software?Foundation;?either?version?3?of?the?License?or?（at?your
option）?any?later?version.?（See?.）

This?library?is?distributed?in?the?hope?that?it?will?be?useful?but?WITHOUT
ANY?WARRANTY;?without?even?the?implied?warranty?of?MERCHANTABILITY?or?FITNESS
FOR?A?PARTICULAR?PURPOSE.??See?the?GNU?Lesser?General?Public?License?for
more?details.

You?should?have?received?a?copy?of?the?GNU?Lesser?General?Public?License
along?with?this?library;?if?not?write?to?the?Free?Software?Foundation?Inc.
51?Franklin?Street?Fifth?Floor?Boston?MA?02110-1301??USA
**********/
//?Copyright?（c）?1996-2017?Live?Networks?Inc.??All?rights?reserved
//?A?subclass?of?“RTSPServer“?that?creates?“ServerMediaSession“s?on?demand
//?based?on?whether?or?not?the?specified?stream?name?exists?as?a?file
//?Implementation
#include?“H264LiveVideoServerMediaSubsession.hh“
#include?“DynamicRTSPServer.hh“
#include?
#include?

DynamicRTSPServer*
DynamicRTSPServer::createNew（UsageEnvironment&?env?Port?ourPort
			?????UserAuthenticationDatabase*?authDatabase
			?????unsigned?reclamationTestSeconds）?{
??int?ourSocket?=?setUpOurSocket（env?ourPort）;
??if?（ourSocket?==?-1）?return?NULL;

??return?new?DynamicRTSPServer（env?ourSocket?ourPort?authDatabase?reclamationTestSeconds）;
}

DynamicRTSPServer::DynamicRTSPServer（UsageEnvironment&?env?int?ourSocket
				?????Port?ourPort
				?????UserAuthenticationDatabase*?authDatabase?unsigned?reclamationTestSeconds）
??:?RTSPServerSupportingHTTPStreaming（env?ourSocket?ourPort?authDatabase?reclamationTestSeconds）?{
}

DynamicRTSPServer::~DynamicRTSPServer（）?{
}

static?ServerMediaSession*?createNewSMS（UsageEnvironment&?envchar?const*?fileName?FILE*?fid）;?//?forward

ServerMediaSession*?DynamicRTSPServer::lookupServerMediaSession（char?const*?streamName?Boolean?isFirstLookupInSession）?
{
????//?Next?check?whether?we?already?have?a?“ServerMediaSession“?for?this?file:
????ServerMediaSession*?sms?=?RTSPServer::lookupServerMediaSession（streamName）;
????Boolean?smsExists?=?sms?!=?NULL;

????if?（sms?==?NULL）?{
????sms?=?createNewSMS（envir（）?streamName?NULL）;?
????addServerMediaSession（sms）;
????}

??return?sms;
}

#define?NEW_SMS（description）?do?{\
char?const*?descStr?=?description\
????“?streamed?by?the?LIVE555?Media?Server“;\
sms?=?ServerMediaSession::createNew（env?fileName?fileName?descStr）;\
}?while（0）

static?ServerMediaSession*?createNewSMS（UsageEnvironment&?envchar?const*?fileName?FILE*?/*fid*/）?
{
????printf（“filename?=%s\n“fileName）;				
????if（fileName?==?NULL）?return?NULL;

????//?Use?the?file?name?extension?to?determine?the?type?of?“ServerMediaSession“:
?//???char?const*?h264?=?strcasestr（fileName?“-stream“）;

????ServerMediaSession*?sms?=?NULL;
????Boolean?const?reuseSource?=?True;

????sms->ad