From 1c796c8f303032a88e58da239364086b9a1e3c0e Mon Sep 17 00:00:00 2001
From: Oswald Auguste de Bruin <oswald.de.bruin@ddvtech.com>
Date: Wed, 3 Jul 2013 16:17:32 +0200
Subject: [PATCH] started on ESDS box

---
 lib/mp4.cpp | 154 +++++++++++++++++++++++++++++++++++++++++++++++++++-
 lib/mp4.h   |  44 ++++++++++++++-
 2 files changed, 196 insertions(+), 2 deletions(-)

diff --git a/lib/mp4.cpp b/lib/mp4.cpp
index 12123549..8205e162 100644
--- a/lib/mp4.cpp
+++ b/lib/mp4.cpp
@@ -2278,7 +2278,159 @@ namespace MP4 {
     }
     memcpy((char*)payload(), (char*)newPayload.c_str(), newPayload.size());
   }
-
+  
+  //fullbox, start at 4
+  ESDS::ESDS(){
+    memcpy(data + 4, "esds", 4);
+    setESDescriptorType(0x03);
+    setExtendedDescriptorType(0x8000FE);
+    
+  }
+  
+  char ESDS::getESDescriptorType(){
+    return getInt8(4);
+  }
+  
+  void ESDS::setESDescriptorType(char newVal){
+    setInt8(newVal,4);
+  }
+  
+  uint32_t ESDS::getExtendedDescriptorType(){
+    return getInt24(5);
+  }
+  //3 bytes
+  void ESDS::setExtendedDescriptorType(uint32_t newVal){
+    setInt24(newVal,5);
+  }
+  //3 bytes
+  char ESDS::getESDescriptorTypeLength(){
+    return getInt8(8);  
+  }
+  
+  void ESDS::setESDescriptorTypeLength(char newVal){
+    setInt8(newVal,8);
+  }
+  
+  char ESDS::getByteObjectTypeID(){
+    return getInt8(9);  
+  }
+  
+  void ESDS::setByteObjectTypeID(char newVal){
+    setInt8(newVal,9);
+  }
+  
+  char ESDS::getStreamType(){
+    return getInt8(10) >> 2;  
+  }
+  //6 bits
+  void ESDS::setStreamType(char newVal){
+    setInt8(newVal<<2 + ((uint8_t)getUpstreamFlag() << 1) + (uint8_t)getReservedFlag() , 10);
+  }
+  //6 bits
+  bool ESDS::getUpstreamFlag(){
+    return (((getInt8(10) >> 1) & 0x01) == 1);  
+  }
+  
+  void ESDS::setUpstreamFlag(bool newVal){
+    setInt8(getStreamType()<<2 + ((uint8_t)newVal << 1) + (uint8_t)getReservedFlag() , 10);
+  }
+  
+  bool ESDS::getReservedFlag(){
+    return ((getInt8(10) & 0x01) == 1);  
+  }
+  
+  void ESDS::setReservedFlag(bool newVal){
+    setInt8((getStreamType()<<2) + ((uint8_t)getUpstreamFlag() << 1) + (uint8_t)newVal , 10);
+  }
+  
+  uint32_t ESDS::getBufferSize(){
+    return getInt24(11);  
+  }
+  //3 bytes
+  void ESDS::setBufferSize(uint32_t newVal){
+    setInt24(newVal,11);
+  }
+  //3 bytes
+  uint32_t ESDS::getMaximumBitRate(){
+    return getInt32(14);  
+  }
+  
+  void ESDS::getMaximumBitRate(uint32_t newVal){
+    setInt32(newVal,14);
+  }
+  
+  uint32_t ESDS::getAverageBitRate(){
+    return getInt32(18);  
+  }
+  
+  void ESDS::setAverageBitRate(uint32_t newVal){
+    setInt32(newVal,18);
+  }
+  
+  char ESDS::getDescriptorTypeTag(){
+    return getInt8(22);
+  }
+  
+  void ESDS::setDescriptorTypeTag(char newVal){
+    setInt8(newVal,22);
+  }
+  
+  uint32_t ESDS::getExtendedDescriptorTypeTag(){
+    return getInt24(23);
+  }
+  //3 bytes
+  void ESDS::setExtendedDescriptorTypeTag(uint32_t newVal){
+    setInt24(newVal, 23);
+  }
+  //3 bytes
+  char ESDS::getConfigDescriptorTypeLength(){
+    return getInt8(26);
+  }
+  
+  void ESDS::setConfigDescriptorTypeLength(char newVal){
+    setInt8(newVal, 26);
+  }
+  
+  uint16_t ESDS::getESHeaderStartCodes(){
+    return getInt16(27);
+  }
+  
+  void ESDS::setESHeaderStartCodes(uint16_t newVal){
+    setInt16(newVal,27);
+  }
+  
+  char ESDS::getSLConfigDescriptorTypeTag(){
+    return getInt16(29);  
+  }
+  
+  void ESDS::setSLConfigDescriptorTypeTag(char newVal){
+    setInt16(newVal, 29);
+  }
+  
+  uint32_t ESDS::getSLConfigExtendedDescriptorTypeTag(){
+    return getInt24(31);  
+  }
+  //3 bytes
+  void ESDS::setSLConfigExtendedDescriptorTypeTag(uint32_t newVal){
+    setInt24(newVal, 31);
+  }
+  //3 bytes
+  char ESDS::getSLDescriptorTypeLength(){
+    return getInt8(34);
+  }
+  
+  void ESDS::setSLDescriptorTypeLength(char newVal){
+    setInt8(newVal, 34);
+  }
+  
+  char ESDS::getSLValue(){
+    return getInt8(35);
+  }
+  
+  void ESDS::setSLValue(char newVal){
+    setInt8(newVal, 35);
+  }
+  
   SDTP::SDTP(){
     memcpy(data + 4, "sdtp", 4);
   }
diff --git a/lib/mp4.h b/lib/mp4.h
index cc445548..3cc8738e 100644
--- a/lib/mp4.h
+++ b/lib/mp4.h
@@ -343,7 +343,49 @@ namespace MP4 {
       void setPayload(std::string newPayload);
       std::string toPrettyString(uint32_t indent = 0);
   };
-
+  
+  ///\todo : ESDS is filthy implemented, clean up when optimising
+  class ESDS: public fullBox{
+    public:
+      ESDS();
+      char getESDescriptorType();
+      void setESDescriptorType(char newVal);
+      uint32_t getExtendedDescriptorType();//3 bytes
+      void setExtendedDescriptorType(uint32_t newVal);//3 bytes
+      char getESDescriptorTypeLength();
+      void setESDescriptorTypeLength(char newVal);
+      char getByteObjectTypeID();
+      void setByteObjectTypeID(char newVal);
+      char getStreamType();//6 bits
+      void setStreamType(char newVal);//6 bits
+      bool getUpstreamFlag();
+      void setUpstreamFlag(bool newVal);
+      bool getReservedFlag();
+      void setReservedFlag(bool newVal);
+      uint32_t getBufferSize();//3 bytes
+      void setBufferSize(uint32_t newVal);//3 bytes
+      uint32_t getMaximumBitRate();
+      void getMaximumBitRate(uint32_t newVal);
+      uint32_t getAverageBitRate();
+      void setAverageBitRate(uint32_t newVal);
+      char getDescriptorTypeTag();
+      void setDescriptorTypeTag(char newVal);
+      uint32_t getExtendedDescriptorTypeTag();//3 bytes
+      void setExtendedDescriptorTypeTag(uint32_t newVal);//3 bytes
+      char getConfigDescriptorTypeLength();
+      void setConfigDescriptorTypeLength(char newVal);
+      uint16_t getESHeaderStartCodes();
+      void setESHeaderStartCodes(uint16_t newVal);
+      char getSLConfigDescriptorTypeTag();
+      void setSLConfigDescriptorTypeTag(char newVal);
+      uint32_t getSLConfigExtendedDescriptorTypeTag();//3 bytes
+      void setSLConfigExtendedDescriptorTypeTag(uint32_t newVal);//3 bytes
+      char getSLDescriptorTypeLength();
+      void setSLDescriptorTypeLength(char newVal);
+      char getSLValue();
+      void setSLValue(char newVal);
+  };
+  
   class SDTP: public Box{
     public:
       SDTP();