Generalized DTSH header reading and writing of Inputs

src/input/input_av.cpp

@@ -91,12 +91,8 @@ namespace Mist {
 
   bool inputAV::readHeader() {
     //See whether a separate header file exists.
-    DTSC::File tmp(config->getString("input") + ".dtsh");
-    if (tmp){
-      myMeta = tmp.getMeta();
-      return true;
-    }
-    
+    if (readExistingHeader()){return true;}
+
     myMeta.tracks.clear();
     myMeta.live = false;
     myMeta.vod = true;
@@ -204,10 +200,7 @@ namespace Mist {
     myMeta.live = false;
     myMeta.vod = true;
     
-    //store dtsc-style header file for faster processing, later
-    std::ofstream oFile(std::string(config->getString("input") + ".dtsh").c_str());
-    oFile << myMeta.toJSON().toNetPacked();
-    oFile.close();
+    myMeta.toFile(config->getString("input") + ".dtsh");
     
     seek(0);
     return true;

src/input/input_ismv.cpp

@@ -51,11 +51,7 @@ namespace Mist {
       return false;
     }
     //See whether a separate header file exists.
-    DTSC::File tmp(config->getString("input") + ".dtsh");
-    if (tmp) {
-      myMeta = tmp.getMeta();
-      return true;
-    }
+    if (readExistingHeader()){return true;}
     //parse ismv header
     fseek(inFile, 0, SEEK_SET);
     std::string ftyp;
@@ -119,9 +115,7 @@ namespace Mist {
       }
       curBytePos = ftell(inFile);
     }
-    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_mp4.cpp

@@ -273,13 +273,10 @@ namespace Mist {
     }//when at the end of the file
     //seek file to 0;
     fseeko(inFile,0,SEEK_SET);
-    
+   
     //See whether a separate header file exists.
-    DTSC::File tmpdtsh(config->getString("input") + ".dtsh");
-    if (tmpdtsh){
-      myMeta = tmpdtsh.getMeta();
-      return true;
-    }
+    if (readExistingHeader()){return true;}
+
     trackNo = 0;
     //Create header file from MP4 data
     while(!feof(inFile)){
@@ -560,9 +557,7 @@ namespace Mist {
     clearerr(inFile);
     
     //outputting dtsh file
-    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_ts.cpp

@@ -233,14 +233,9 @@ namespace Mist {
   ///it writes the remaining metadata.
   ///\todo Find errors, perhaps parts can be made more modular
   bool inputTS::readHeader() {
-    if (!inFile) {
-      return false;
-    }
-    DTSC::File tmp(config->getString("input") + ".dtsh");
-    if (tmp) {
-      myMeta = tmp.getMeta();
-      return true;
-    }
+    if (!inFile){return false;}
+    //See whether a separate header file exists.
+    if (readExistingHeader()){return true;}
 
     TS::Packet packet;//to analyse and extract data
     fseek(inFile, 0, SEEK_SET);//seek to beginning
@@ -261,9 +256,7 @@ namespace Mist {
     }
 
     fseek(inFile, 0, SEEK_SET);
-    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;
   }
 #endif