diff --git a/lib/ebml.cpp b/lib/ebml.cpp
index 0670b6f1..45a7abad 100644
--- a/lib/ebml.cpp
+++ b/lib/ebml.cpp
@@ -516,6 +516,12 @@ namespace EBML{
     return std::string(strPtr, strLen);
   }
 
+  std::string Element::getValStringUntrimmed() const{
+    uint64_t strLen = getPayloadLen();
+    const char * strPtr = getPayload();
+    return std::string(strPtr, strLen);
+  }
+
   uint64_t Block::getTrackNum() const{return UniInt::readInt(getPayload());}
 
   int16_t Block::getTimecode() const{
diff --git a/lib/ebml.h b/lib/ebml.h
index 972fe071..ff1668b1 100644
--- a/lib/ebml.h
+++ b/lib/ebml.h
@@ -97,6 +97,7 @@ namespace EBML{
     int64_t getValInt() const;
     double getValFloat() const;
     std::string getValString() const;
+    std::string getValStringUntrimmed() const;
     const Element findChild(uint32_t id) const;
 
   private:
diff --git a/src/input/input_ebml.cpp b/src/input/input_ebml.cpp
index 5b44caf4..2e430074 100644
--- a/src/input/input_ebml.cpp
+++ b/src/input/input_ebml.cpp
@@ -191,13 +191,13 @@ namespace Mist{
           trueCodec = "H264";
           trueType = "video";
           tmpElem = E.findChild(EBML::EID_CODECPRIVATE);
-          if (tmpElem){init = tmpElem.getValString();}
+          if (tmpElem){init = tmpElem.getValStringUntrimmed();}
         }
         if (codec == "V_MPEGH/ISO/HEVC"){
           trueCodec = "HEVC";
           trueType = "video";
           tmpElem = E.findChild(EBML::EID_CODECPRIVATE);
-          if (tmpElem){init = tmpElem.getValString();}
+          if (tmpElem){init = tmpElem.getValStringUntrimmed();}
         }
         if (codec == "V_AV1"){
           trueCodec = "AV1";
@@ -215,25 +215,25 @@ namespace Mist{
           trueCodec = "opus";
           trueType = "audio";
           tmpElem = E.findChild(EBML::EID_CODECPRIVATE);
-          if (tmpElem){init = tmpElem.getValString();}
+          if (tmpElem){init = tmpElem.getValStringUntrimmed();}
         }
         if (codec == "A_VORBIS"){
           trueCodec = "vorbis";
           trueType = "audio";
           tmpElem = E.findChild(EBML::EID_CODECPRIVATE);
-          if (tmpElem){init = tmpElem.getValString();}
+          if (tmpElem){init = tmpElem.getValStringUntrimmed();}
         }
         if (codec == "V_THEORA"){
           trueCodec = "theora";
           trueType = "video";
           tmpElem = E.findChild(EBML::EID_CODECPRIVATE);
-          if (tmpElem){init = tmpElem.getValString();}
+          if (tmpElem){init = tmpElem.getValStringUntrimmed();}
         }
         if (codec == "A_AAC"){
           trueCodec = "AAC";
           trueType = "audio";
           tmpElem = E.findChild(EBML::EID_CODECPRIVATE);
-          if (tmpElem){init = tmpElem.getValString();}
+          if (tmpElem){init = tmpElem.getValStringUntrimmed();}
         }
         if (codec == "A_PCM/INT/BIG"){
           trueCodec = "PCM";
@@ -275,12 +275,12 @@ namespace Mist{
           trueCodec = "subtitle";
           trueType = "meta";
           tmpElem = E.findChild(EBML::EID_CODECPRIVATE);
-          if (tmpElem){init = tmpElem.getValString();}
+          if (tmpElem){init = tmpElem.getValStringUntrimmed();}
         }
         if (codec == "A_MS/ACM"){
           tmpElem = E.findChild(EBML::EID_CODECPRIVATE);
           if (tmpElem){
-            std::string WAVEFORMATEX = tmpElem.getValString();
+            std::string WAVEFORMATEX = tmpElem.getValStringUntrimmed();
             unsigned int formatTag = Bit::btohs_le(WAVEFORMATEX.data());
             switch (formatTag){
               case 3: