Generalized DTSH header reading and writing of Inputs

src/input/input.cpp

@@ -533,5 +533,19 @@ namespace Mist {
   void Input::quitPlay(){
     playing = 0;
   }
+
+  bool Input::readExistingHeader(){
+    DTSC::File tmpdtsh(config->getString("input") + ".dtsh");
+    if (!tmpdtsh){
+      return false;
+    }
+    if (tmpdtsh.getMeta().version != DTSH_VERSION){
+      INFO_MSG("Updating wrong version header file from version %llu to %llu", tmpdtsh.getMeta().version, DTSH_VERSION);
+      return false;
+    }
+    myMeta = tmpdtsh.getMeta();
+    return true;
+  }
+
 }
 

src/input/input.h

@@ -29,6 +29,7 @@ namespace Mist {
       static void callbackWrapper(char * data, size_t len, unsigned int id);
       virtual bool setup() = 0;
       virtual bool readHeader() = 0;
+      virtual bool readExistingHeader();
       virtual bool atKeyFrame();
       virtual void getNext(bool smart = true) {};
       virtual void seek(int seekTime){};

src/input/input_flv.cpp

@@ -49,23 +49,13 @@ namespace Mist {
   }
 
   bool inputFLV::readHeader() {
-    JSON::Value lastPack;
-    if (!inFile) {
-      return false;
-    }
+    if (!inFile){return false;}
     //See whether a separate header file exists.
-    DTSC::File tmp(config->getString("input") + ".dtsh");
-    if (tmp){
-      myMeta = tmp.getMeta();
-      if (myMeta){
-        return true;
-      }else{
-        myMeta = DTSC::Meta();
-      }
-    }
+    if (readExistingHeader()){return true;}
     //Create header file from FLV data
     fseek(inFile, 13, SEEK_SET);
     AMF::Object amf_storage;
+    JSON::Value lastPack;
     long long int lastBytePos = 13;
     while (!feof(inFile) && !FLV::Parse_Error){
       if (tmpTag.FileLoader(inFile)){
@@ -80,9 +70,7 @@ namespace Mist {
       std::cerr << FLV::Error_Str << std::endl;
       return false;
     }
-    std::ofstream oFile(std::string(config->getString("input") + ".dtsh").c_str());
-    oFile << myMeta.toJSON().toNetPacked();
-    oFile.close();
+    myMeta.toFile(config->getString("input") + ".dtsh");
     return true;
   }
   

src/input/input_mp3.cpp

@@ -47,17 +47,9 @@ namespace Mist {
   }
 
   bool inputMP3::readHeader() {
-    if (!inFile) {
-      return false;
-    }
+    if (!inFile){return false;}
     //See whether a separate header file exists.
-    DTSC::File tmp(config->getString("input") + ".dtsh");
-    if (tmp){
-      myMeta = tmp.getMeta();
-      if (myMeta){
-        return true;
-      }
-    }
+    if (readExistingHeader()){return true;}
     myMeta = DTSC::Meta();
     myMeta.tracks[1].trackID = 1;
     myMeta.tracks[1].type = "audio";
@@ -93,9 +85,7 @@ namespace Mist {
 
     fseek(inFile, 0, SEEK_SET);
     timestamp = 0;
-    std::ofstream oFile(std::string(config->getString("input") + ".dtsh").c_str());
-    oFile << myMeta.toJSON().toNetPacked();
-    oFile.close();
+    myMeta.toFile(config->getString("input") + ".dtsh");
     return true;
   }
   

src/input/input_ogg.cpp

@@ -222,11 +222,7 @@ namespace Mist {
       getNext();
     }
 
-    std::ofstream oFile(std::string(config->getString("input") + ".dtsh").c_str());
-    oFile << myMeta.toJSON().toNetPacked();
-    oFile.close();
-
-    //myMeta.toPrettyString(std::cout);
+    myMeta.toFile(config->getString("input") + ".dtsh");
     return true;
   }