demux: smooth: add missing language

modules/demux/smooth/playlist/ForgedInitSegment.cpp

@@ -199,6 +199,11 @@ void ForgedInitSegment::setFourCC(const std::string &fcc)
     }
 }
 
+void ForgedInitSegment::setLanguage(const std::string &lang)
+{
+    language = lang;
+}
+
 block_t * ForgedInitSegment::buildMoovBox()
 {
     mp4mux_trackinfo_t trackinfo;
@@ -264,6 +269,9 @@ block_t * ForgedInitSegment::buildMoovBox()
             break;
     }
 
+    if(!language.empty())
+        trackinfo.fmt.psz_language = strdup(language.c_str());
+
     mp4mux_trackinfo_t *p_tracks = &trackinfo;
     bo_t *box = GetMoovBox(NULL, &p_tracks, 1, true, false, false, false);
     mp4mux_trackinfo_Clear(&trackinfo);

modules/demux/smooth/playlist/ForgedInitSegment.hpp

@@ -53,6 +53,7 @@ namespace smooth
                 void setFourCC(const std::string &);
                 void setAudioTag(uint16_t);
                 void setTrackID(unsigned);
+                void setLanguage(const std::string &);
 
             protected:
                 virtual SegmentChunk * getChunk(const std::string &, HTTPConnectionManager *); /* reimpl */
@@ -63,6 +64,7 @@ namespace smooth
                 block_t * buildMoovBox();
                 std::string data;
                 std::string type;
+                std::string language;
                 uint8_t *extradata;
                 size_t   i_extradata;
                 WAVEFORMATEX formatex;

modules/demux/smooth/playlist/Parser.cpp

@@ -167,6 +167,9 @@ static void ParseQualityLevel(BaseAdaptationSet *adaptSet, Node *qualNode, const
             {
                 initSegment->setTrackID(trackid);
 
+                if(!adaptSet->getLang().empty())
+                    initSegment->setLanguage(adaptSet->getLang().front());
+
                 if(rep->getWidth() > 0 && rep->getHeight() > 0)
                     initSegment->setVideoSize(rep->getWidth(), rep->getHeight());
 
@@ -210,6 +213,8 @@ static void ParseStreamIndex(BasePeriod *period, Node *streamIndexNode, unsigned
     if(adaptSet)
     {
         adaptSet->setID(ID(id));
+        if(streamIndexNode->hasAttribute("Language"))
+            adaptSet->addLang(streamIndexNode->getAttributeValue("Language"));
         const std::string url = streamIndexNode->getAttributeValue("Url");
         if(!url.empty())
         {