dash: Reworking the way MPD profile is handled

It's not the job of the DOMParser to compute a Dash profile. Let the
dash parser handle it.
Signed-off-by: Jean-Baptiste Kempf <jb@videolan.org>
(cherry picked from commit 04be885b)
Signed-off-by: Jean-Baptiste Kempf <jb@videolan.org>

modules/stream_filter/dash/DASHManager.cpp

@@ -34,13 +34,12 @@ using namespace dash::logic;
 using namespace dash::mpd;
 using namespace dash::exception;
 
-DASHManager::DASHManager    (HTTPConnectionManager *conManager, Node *node, IAdaptationLogic::LogicType type, Profile profile)
+DASHManager::DASHManager    ( HTTPConnectionManager *conManager, Node *node, IAdaptationLogic::LogicType type )
 {
     this->conManager        = conManager;
     this->node              = node;
     this->logicType         = type;
-    this->profile           = profile;
-    this->mpdManager        = mpd::MPDManagerFactory::create(this->profile, this->node);
+    this->mpdManager        = mpd::MPDManagerFactory::create(this->node);
     this->adaptationLogic   = AdaptationLogicFactory::create( this->logicType, this->mpdManager );
     this->currentChunk      = NULL;
 

modules/stream_filter/dash/DASHManager.h

@@ -38,7 +38,7 @@ namespace dash
     class DASHManager
     {
         public:
-            DASHManager             (http::HTTPConnectionManager *conManager, xml::Node *node, logic::IAdaptationLogic::LogicType type, mpd::Profile profile);
+            DASHManager             (http::HTTPConnectionManager *conManager, xml::Node *node, logic::IAdaptationLogic::LogicType type);
             virtual ~DASHManager    ();
 
             int read        (void *p_buffer, size_t len);
@@ -50,7 +50,6 @@ namespace dash
             http::Chunk                         *currentChunk;
             logic::IAdaptationLogic             *adaptationLogic;
             logic::IAdaptationLogic::LogicType  logicType;
-            mpd::Profile                        profile;
             xml::Node                           *node;
             mpd::IMPDManager                    *mpdManager;
     };

modules/stream_filter/dash/dash.cpp

@@ -98,9 +98,8 @@ static int Open(vlc_object_t *p_obj)
         new dash::http::HTTPConnectionManager(p_stream);
     dash::xml::Node *p_node = parser.getRootNode();
     dash::DASHManager*p_dashManager =
-        new dash::DASHManager(p_conManager, p_node,
-                              dash::logic::IAdaptationLogic::RateBased,
-                              parser.getProfile(p_node));
+        new dash::DASHManager( p_conManager, p_node,
+                              dash::logic::IAdaptationLogic::RateBased );
 
     p_sys->p_dashManager    = p_dashManager;
     p_sys->p_node           = p_node;

modules/stream_filter/dash/mpd/BasicCMParser.cpp

@@ -51,7 +51,13 @@ bool    BasicCMParser::parse                ()
 }
 void    BasicCMParser::setMPD               ()
 {
-    this->mpd = new MPD(this->root->getAttributes());
+    const std::map<std::string, std::string>    attr = this->root->getAttributes();
+    this->mpd = new MPD( attr );
+
+    std::map<std::string, std::string>::const_iterator  it;
+    it = attr.find( "profile" );
+    if ( it != attr.end() )
+        this->mpd->setProfile( it->second );
     this->setMPDBaseUrl(this->root);
     this->setPeriods(this->root);
 }

modules/stream_filter/dash/mpd/MPD.cpp

@@ -30,7 +30,9 @@
 using namespace dash::mpd;
 using namespace dash::exception;
 
-MPD::MPD    (const AttributesMap& attributes) : attributes( attributes ),
+MPD::MPD    (const AttributesMap& attributes) :
+    profile( dash::mpd::NotValid ),
+    attributes( attributes ),
     programInfo( NULL )
 {
 }
@@ -104,3 +106,21 @@ bool                    MPD::isLive() const
     */
     return ( it != this->attributes.end() && it->second == "Live" );
 }
+
+Profile MPD::getProfile() const
+{
+    return this->profile;
+}
+
+void MPD::setProfile(Profile profile)
+{
+    this->profile = profile;
+}
+
+void MPD::setProfile( const std::string &strProfile )
+{
+    if( strProfile == "urn:mpeg:mpegB:profile:dash:isoff-basic-on-demand:cm" )
+        this->profile = dash::mpd::BasicCM;
+    else
+        this->profile = dash::mpd::NotValid;
+}

modules/stream_filter/dash/mpd/MPD.h

@@ -34,6 +34,7 @@
 #include "mpd/ProgramInformation.h"
 #include "exceptions/AttributeNotPresentException.h"
 #include "exceptions/ElementNotPresentException.h"
+#include "mpd/IMPDManager.h"
 
 namespace dash
 {
@@ -47,6 +48,9 @@ namespace dash
                 MPD         (const AttributesMap& attributes);
                 virtual ~MPD();
 
+                Profile                         getProfile() const;
+                void                            setProfile( const std::string &strProfile );
+                void                            setProfile( Profile profile );
                 bool                           isLive() const;
                 const std::string&             getDuration             () const throw(dash::exception::AttributeNotPresentException);
                 const std::string&             getMinBufferTime        () const throw(dash::exception::AttributeNotPresentException);
@@ -59,6 +63,7 @@ namespace dash
                 void    setProgramInformation   (ProgramInformation *progInfo);
 
             private:
+                Profile                             profile;
                 AttributesMap                       attributes;
                 std::vector<Period *>               periods;
                 std::vector<BaseUrl *>              baseUrls;

modules/stream_filter/dash/mpd/MPDManagerFactory.cpp

@@ -30,27 +30,21 @@
 using namespace dash::mpd;
 using namespace dash::xml;
 
-IMPDManager* MPDManagerFactory::create                  (Profile profile, Node *root)
+IMPDManager* MPDManagerFactory::create( Node *root )
 {
-    switch(profile)
+    BasicCMParser parser(root);
+
+    if ( parser.parse() == false )
+        return new NullManager();
+
+    Profile profile = parser.getMPD()->getProfile();
+    switch( profile )
     {
         case mpd::Basic:    return new NullManager();
-        case mpd::BasicCM:  return createBasicCMManager(root);
+        case mpd::BasicCM:  return new BasicCMManager( parser.getMPD() );
         case mpd::Full2011: return new NullManager();
         case mpd::NotValid: return new NullManager();
 
         default:            return new NullManager();
     }
 }
-
-IMPDManager* MPDManagerFactory::createBasicCMManager    (Node *root)
-{
-    BasicCMParser parser(root);
-
-    if(!parser.parse())
-        return new NullManager();
-
-    BasicCMManager *manager =  new BasicCMManager(parser.getMPD());
-
-    return manager;
-}

modules/stream_filter/dash/mpd/MPDManagerFactory.h

@@ -38,10 +38,7 @@ namespace dash
         class MPDManagerFactory
         {
             public:
-                static IMPDManager* create(Profile profile, dash::xml::Node *root);
-
-            private:
-                static IMPDManager* createBasicCMManager(dash::xml::Node *root);
+                static IMPDManager* create( xml::Node *root );
         };
     }
 }

modules/stream_filter/dash/xml/DOMParser.cpp

@@ -132,15 +132,7 @@ void    DOMParser::print                    ()
 {
     this->print(this->root, 0);
 }
-Profile DOMParser::getProfile               (dash::xml::Node *node)
-{
-    std::string profile = node->getAttributeValue("profiles");
-
-    if(!profile.compare("urn:mpeg:mpegB:profile:dash:isoff-basic-on-demand:cm"))
-        return dash::mpd::BasicCM;
 
-    return dash::mpd::NotValid;
-}
 bool    DOMParser::isDash                   (stream_t *stream)
 {
     const char* psz_namespace = "urn:mpeg:mpegB:schema:DASH:MPD:DIS2011";

modules/stream_filter/dash/xml/DOMParser.h

@@ -54,7 +54,6 @@ namespace dash
                 bool                parse       ();
                 Node*               getRootNode ();
                 void                print       ();
-                dash::mpd::Profile  getProfile  (dash::xml::Node *node);
                 static bool         isDash      (stream_t *stream);
 
             private: