mistserver/lib/mp4_generic.cpp

#include "mp4_generic.h"
#include "defines.h"

namespace MP4{
  MFHD::MFHD(){
    memcpy(data + 4, "mfhd", 4);
    setInt32(0, 0);
  }

  void MFHD::setSequenceNumber(uint32_t newSequenceNumber){
    setInt32(newSequenceNumber, 4);
  }

  uint32_t MFHD::getSequenceNumber(){
    return getInt32(4);
  }

  std::string MFHD::toPrettyString(uint32_t indent){
    std::stringstream r;
    r << std::string(indent, ' ') << "[mfhd] Movie Fragment Header (" << boxedSize() << ")" << std::endl;
    r << std::string(indent + 1, ' ') << "SequenceNumber " << getSequenceNumber() << std::endl;
    return r.str();
  }

  MOOF::MOOF(){
    memcpy(data + 4, "moof", 4);
  }

  TRAF::TRAF(){
    memcpy(data + 4, "traf", 4);
  }

  uint32_t TRAF::getContentCount(){
    int res = 0;
    unsigned int tempLoc = 0;
    while (tempLoc < boxedSize() - 8){
      res++;
      tempLoc += getBoxLen(tempLoc);
    }
    return res;
  }

  void TRAF::setContent(Box & newContent, uint32_t no){
    int tempLoc = 0;
    unsigned int contentCount = getContentCount();
    for (unsigned int i = 0; i < no; i++){
      if (i < contentCount){
        tempLoc += getBoxLen(tempLoc);
      }else{
        if ( !reserve(tempLoc, 0, (no - contentCount) * 8)){
          return;
        };
        memset(data + tempLoc, 0, (no - contentCount) * 8);
        tempLoc += (no - contentCount) * 8;
        break;
      }
    }
    setBox(newContent, tempLoc);
  }

  Box & TRAF::getContent(uint32_t no){
    static Box ret = Box((char*)"\000\000\000\010erro", false);
    if (no > getContentCount()){
      return ret;
    }
    unsigned int i = 0;
    int tempLoc = 0;
    while (i < no){
      tempLoc += getBoxLen(tempLoc);
      i++;
    }
    return getBox(tempLoc);
  }

  std::string TRAF::toPrettyString(uint32_t indent){
    std::stringstream r;
    r << std::string(indent, ' ') << "[traf] Track Fragment Box (" << boxedSize() << ")" << std::endl;
    int contentCount = getContentCount();
    for (int i = 0; i < contentCount; i++){
      Box curBox = Box(getContent(i).asBox(),false);
      r << curBox.toPrettyString(indent + 1);
    }
    return r.str();
  }

  TRUN::TRUN(){
    memcpy(data + 4, "trun", 4);
  }

  void TRUN::setFlags(uint32_t newFlags){
    setInt24(newFlags, 1);
  }

  uint32_t TRUN::getFlags(){
    return getInt24(1);
  }

  void TRUN::setDataOffset(uint32_t newOffset){
    if (getFlags() & trundataOffset){
      setInt32(newOffset, 8);
    }
  }

  uint32_t TRUN::getDataOffset(){
    if (getFlags() & trundataOffset){
      return getInt32(8);
    }else{
      return 0;
    }
  }

  void TRUN::setFirstSampleFlags(uint32_t newSampleFlags){
    if ( !(getFlags() & trunfirstSampleFlags)){
      return;
    }
    if (getFlags() & trundataOffset){
      setInt32(newSampleFlags, 12);
    }else{
      setInt32(newSampleFlags, 8);
    }
  }

  uint32_t TRUN::getFirstSampleFlags(){
    if ( !(getFlags() & trunfirstSampleFlags)){
      return 0;
    }
    if (getFlags() & trundataOffset){
      return getInt32(12);
    }else{
      return getInt32(8);
    }
  }

  uint32_t TRUN::getSampleInformationCount(){
    return getInt32(4);
  }

  void TRUN::setSampleInformation(trunSampleInformation newSample, uint32_t no){
    uint32_t flags = getFlags();
    uint32_t sampInfoSize = 0;
    if (flags & trunsampleDuration){
      sampInfoSize += 4;
    }
    if (flags & trunsampleSize){
      sampInfoSize += 4;
    }
    if (flags & trunsampleFlags){
      sampInfoSize += 4;
    }
    if (flags & trunsampleOffsets){
      sampInfoSize += 4;
    }
    uint32_t offset = 8;
    if (flags & trundataOffset){
      offset += 4;
    }
    if (flags & trunfirstSampleFlags){
      offset += 4;
    }
    uint32_t innerOffset = 0;
    if (flags & trunsampleDuration){
      setInt32(newSample.sampleDuration, offset + no * sampInfoSize + innerOffset);
      innerOffset += 4;
    }
    if (flags & trunsampleSize){
      setInt32(newSample.sampleSize, offset + no * sampInfoSize + innerOffset);
      innerOffset += 4;
    }
    if (flags & trunsampleFlags){
      setInt32(newSample.sampleFlags, offset + no * sampInfoSize + innerOffset);
      innerOffset += 4;
    }
    if (flags & trunsampleOffsets){
      setInt32(newSample.sampleOffset, offset + no * sampInfoSize + innerOffset);
      innerOffset += 4;
    }
    if (getSampleInformationCount() < no + 1){
      setInt32(no + 1, 4);
    }
  }

  trunSampleInformation TRUN::getSampleInformation(uint32_t no){
    trunSampleInformation ret;
    ret.sampleDuration = 0;
    ret.sampleSize = 0;
    ret.sampleFlags = 0;
    ret.sampleOffset = 0;
    if (getSampleInformationCount() < no + 1){
      return ret;
    }
    uint32_t flags = getFlags();
    uint32_t sampInfoSize = 0;
    if (flags & trunsampleDuration){
      sampInfoSize += 4;
    }
    if (flags & trunsampleSize){
      sampInfoSize += 4;
    }
    if (flags & trunsampleFlags){
      sampInfoSize += 4;
    }
    if (flags & trunsampleOffsets){
      sampInfoSize += 4;
    }
    uint32_t offset = 8;
    if (flags & trundataOffset){
      offset += 4;
    }
    if (flags & trunfirstSampleFlags){
      offset += 4;
    }
    uint32_t innerOffset = 0;
    if (flags & trunsampleDuration){
      ret.sampleDuration = getInt32(offset + no * sampInfoSize + innerOffset);
      innerOffset += 4;
    }
    if (flags & trunsampleSize){
      ret.sampleSize = getInt32(offset + no * sampInfoSize + innerOffset);
      innerOffset += 4;
    }
    if (flags & trunsampleFlags){
      ret.sampleFlags = getInt32(offset + no * sampInfoSize + innerOffset);
      innerOffset += 4;
    }
    if (flags & trunsampleOffsets){
      ret.sampleOffset = getInt32(offset + no * sampInfoSize + innerOffset);
      innerOffset += 4;
    }
    return ret;
  }

  std::string TRUN::toPrettyString(uint32_t indent){
    std::stringstream r;
    r << std::string(indent, ' ') << "[trun] Track Fragment Run (" << boxedSize() << ")" << std::endl;
    r << std::string(indent + 1, ' ') << "Version " << (int)getInt8(0) << std::endl;

    uint32_t flags = getFlags();
    r << std::string(indent + 1, ' ') << "Flags";
    if (flags & trundataOffset){
      r << " dataOffset";
    }
    if (flags & trunfirstSampleFlags){
      r << " firstSampleFlags";
    }
    if (flags & trunsampleDuration){
      r << " sampleDuration";
    }
    if (flags & trunsampleSize){
      r << " sampleSize";
    }
    if (flags & trunsampleFlags){
      r << " sampleFlags";
    }
    if (flags & trunsampleOffsets){
      r << " sampleOffsets";
    }
    r << std::endl;

    if (flags & trundataOffset){
      r << std::string(indent + 1, ' ') << "Data Offset " << getDataOffset() << std::endl;
    }
    if (flags & trundataOffset){
      r << std::string(indent + 1, ' ') << "Sample Flags" << prettySampleFlags(getFirstSampleFlags()) << std::endl;
    }

    r << std::string(indent + 1, ' ') << "SampleInformation (" << getSampleInformationCount() << "):" << std::endl;
    for (unsigned int i = 0; i < getSampleInformationCount(); ++i){
      r << std::string(indent + 2, ' ') << "[" << i << "] ";
      trunSampleInformation samp = getSampleInformation(i);
      if (flags & trunsampleDuration){
        r << "Duration=" << samp.sampleDuration << " ";
      }
      if (flags & trunsampleSize){
        r << "Size=" << samp.sampleSize << " ";
      }
      if (flags & trunsampleFlags){
        r << "Flags=" << prettySampleFlags(samp.sampleFlags) << " ";
      }
      if (flags & trunsampleOffsets){
        r << "Offset=" << samp.sampleOffset << " ";
      }
      r << std::endl;
    }

    return r.str();
  }

  std::string prettySampleFlags(uint32_t flag){
    std::stringstream r;
    if (flag & noIPicture){
      r << " noIPicture";
    }
    if (flag & isIPicture){
      r << " isIPicture";
    }
    if (flag & noDisposable){
      r << " noDisposable";
    }
    if (flag & isDisposable){
      r << " isDisposable";
    }
    if (flag & isRedundant){
      r << " isRedundant";
    }
    if (flag & noRedundant){
      r << " noRedundant";
    }
    if (flag & noKeySample){
      r << " noKeySample";
    }else{
      r << " isKeySample";
    }
    return r.str();
  }

  TFHD::TFHD(){
    memcpy(data + 4, "tfhd", 4);
  }

  void TFHD::setFlags(uint32_t newFlags){
    setInt24(newFlags, 1);
  }

  uint32_t TFHD::getFlags(){
    return getInt24(1);
  }

  void TFHD::setTrackID(uint32_t newID){
    setInt32(newID, 4);
  }

  uint32_t TFHD::getTrackID(){
    return getInt32(4);
  }

  void TFHD::setBaseDataOffset(uint64_t newOffset){
    if (getFlags() & tfhdBaseOffset){
      setInt64(newOffset, 8);
    }
  }

  uint64_t TFHD::getBaseDataOffset(){
    if (getFlags() & tfhdBaseOffset){
      return getInt64(8);
    }else{
      return 0;
    }
  }

  void TFHD::setSampleDescriptionIndex(uint32_t newIndex){
    if ( !(getFlags() & tfhdSampleDesc)){
      return;
    }
    int offset = 8;
    if (getFlags() & tfhdBaseOffset){
      offset += 8;
    }
    setInt32(newIndex, offset);
  }

  uint32_t TFHD::getSampleDescriptionIndex(){
    if ( !(getFlags() & tfhdSampleDesc)){
      return 0;
    }
    int offset = 8;
    if (getFlags() & tfhdBaseOffset){
      offset += 8;
    }
    return getInt32(offset);
  }

  void TFHD::setDefaultSampleDuration(uint32_t newDuration){
    if ( !(getFlags() & tfhdSampleDura)){
      return;
    }
    int offset = 8;
    if (getFlags() & tfhdBaseOffset){
      offset += 8;
    }
    if (getFlags() & tfhdSampleDesc){
      offset += 4;
    }
    setInt32(newDuration, offset);
  }

  uint32_t TFHD::getDefaultSampleDuration(){
    if ( !(getFlags() & tfhdSampleDura)){
      return 0;
    }
    int offset = 8;
    if (getFlags() & tfhdBaseOffset){
      offset += 8;
    }
    if (getFlags() & tfhdSampleDesc){
      offset += 4;
    }
    return getInt32(offset);
  }

  void TFHD::setDefaultSampleSize(uint32_t newSize){
    if ( !(getFlags() & tfhdSampleSize)){
      return;
    }
    int offset = 8;
    if (getFlags() & tfhdBaseOffset){
      offset += 8;
    }
    if (getFlags() & tfhdSampleDesc){
      offset += 4;
    }
    if (getFlags() & tfhdSampleDura){
      offset += 4;
    }
    setInt32(newSize, offset);
  }

  uint32_t TFHD::getDefaultSampleSize(){
    if ( !(getFlags() & tfhdSampleSize)){
      return 0;
    }
    int offset = 8;
    if (getFlags() & tfhdBaseOffset){
      offset += 8;
    }
    if (getFlags() & tfhdSampleDesc){
      offset += 4;
    }
    if (getFlags() & tfhdSampleDura){
      offset += 4;
    }
    return getInt32(offset);
  }

  void TFHD::setDefaultSampleFlags(uint32_t newFlags){
    if ( !(getFlags() & tfhdSampleFlag)){
      return;
    }
    int offset = 8;
    if (getFlags() & tfhdBaseOffset){
      offset += 8;
    }
    if (getFlags() & tfhdSampleDesc){
      offset += 4;
    }
    if (getFlags() & tfhdSampleDura){
      offset += 4;
    }
    if (getFlags() & tfhdSampleSize){
      offset += 4;
    }
    setInt32(newFlags, offset);
  }

  uint32_t TFHD::getDefaultSampleFlags(){
    if ( !(getFlags() & tfhdSampleFlag)){
      return 0;
    }
    int offset = 8;
    if (getFlags() & tfhdBaseOffset){
      offset += 8;
    }
    if (getFlags() & tfhdSampleDesc){
      offset += 4;
    }
    if (getFlags() & tfhdSampleDura){
      offset += 4;
    }
    if (getFlags() & tfhdSampleSize){
      offset += 4;
    }
    return getInt32(offset);
  }

  std::string TFHD::toPrettyString(uint32_t indent){
    std::stringstream r;
    r << std::string(indent, ' ') << "[tfhd] Track Fragment Header (" << boxedSize() << ")" << std::endl;
    r << std::string(indent + 1, ' ') << "Version " << (int)getInt8(0) << std::endl;

    uint32_t flags = getFlags();
    r << std::string(indent + 1, ' ') << "Flags";
    if (flags & tfhdBaseOffset){
      r << " BaseOffset";
    }
    if (flags & tfhdSampleDesc){
      r << " SampleDesc";
    }
    if (flags & tfhdSampleDura){
      r << " SampleDura";
    }
    if (flags & tfhdSampleSize){
      r << " SampleSize";
    }
    if (flags & tfhdSampleFlag){
      r << " SampleFlag";
    }
    if (flags & tfhdNoDuration){
      r << " NoDuration";
    }
    r << std::endl;

    r << std::string(indent + 1, ' ') << "TrackID " << getTrackID() << std::endl;

    if (flags & tfhdBaseOffset){
      r << std::string(indent + 1, ' ') << "Base Offset " << getBaseDataOffset() << std::endl;
    }
    if (flags & tfhdSampleDesc){
      r << std::string(indent + 1, ' ') << "Sample Description Index " << getSampleDescriptionIndex() << std::endl;
    }
    if (flags & tfhdSampleDura){
      r << std::string(indent + 1, ' ') << "Default Sample Duration " << getDefaultSampleDuration() << std::endl;
    }
    if (flags & tfhdSampleSize){
      r << std::string(indent + 1, ' ') << "Default Same Size " << getDefaultSampleSize() << std::endl;
    }
    if (flags & tfhdSampleFlag){
      r << std::string(indent + 1, ' ') << "Default Sample Flags " << prettySampleFlags(getDefaultSampleFlags()) << std::endl;
    }

    return r.str();
  }


  AVCC::AVCC(){
    memcpy(data + 4, "avcC", 4);
    setInt8(0xFF, 4); //reserved + 4-bytes NAL length
  }

  void AVCC::setVersion(uint32_t newVersion){
    setInt8(newVersion, 0);
  }

  uint32_t AVCC::getVersion(){
    return getInt8(0);
  }

  void AVCC::setProfile(uint32_t newProfile){
    setInt8(newProfile, 1);
  }

  uint32_t AVCC::getProfile(){
    return getInt8(1);
  }

  void AVCC::setCompatibleProfiles(uint32_t newCompatibleProfiles){
    setInt8(newCompatibleProfiles, 2);
  }

  uint32_t AVCC::getCompatibleProfiles(){
    return getInt8(2);
  }

  void AVCC::setLevel(uint32_t newLevel){
    setInt8(newLevel, 3);
  }

  uint32_t AVCC::getLevel(){
    return getInt8(3);
  }

  void AVCC::setSPSNumber(uint32_t newSPSNumber){
    setInt8(newSPSNumber, 5);
  }

  uint32_t AVCC::getSPSNumber(){
    return getInt8(5);
  }

  void AVCC::setSPS(std::string newSPS){
    setInt16(newSPS.size(), 6);
    for (unsigned int i = 0; i < newSPS.size(); i++){
      setInt8(newSPS[i], 8 + i);
    } //not null-terminated
  }

  uint32_t AVCC::getSPSLen(){
    return getInt16(6);
  }

  char* AVCC::getSPS(){
    return payload() + 8;
  }

  void AVCC::setPPSNumber(uint32_t newPPSNumber){
    int offset = 8 + getSPSLen();
    setInt8(newPPSNumber, offset);
  }

  uint32_t AVCC::getPPSNumber(){
    int offset = 8 + getSPSLen();
    return getInt8(offset);
  }

  void AVCC::setPPS(std::string newPPS){
    int offset = 8 + getSPSLen() + 1;
    setInt16(newPPS.size(), offset);
    for (unsigned int i = 0; i < newPPS.size(); i++){
      setInt8(newPPS[i], offset + 2 + i);
    } //not null-terminated
  }

  uint32_t AVCC::getPPSLen(){
    int offset = 8 + getSPSLen() + 1;
    return getInt16(offset);
  }

  char* AVCC::getPPS(){
    int offset = 8 + getSPSLen() + 3;
    return payload() + offset;
  }

  std::string AVCC::toPrettyString(uint32_t indent){
    std::stringstream r;
    r << std::string(indent, ' ') << "[avcC] H.264 Init Data (" << boxedSize() << ")" << std::endl;
    r << std::string(indent + 1, ' ') << "Version: " << getVersion() << std::endl;
    r << std::string(indent + 1, ' ') << "Profile: " << getProfile() << std::endl;
    r << std::string(indent + 1, ' ') << "Compatible Profiles: " << getCompatibleProfiles() << std::endl;
    r << std::string(indent + 1, ' ') << "Level: " << getLevel() << std::endl;
    r << std::string(indent + 1, ' ') << "SPS Number: " << getSPSNumber() << std::endl;
    r << std::string(indent + 2, ' ') << getSPSLen() << " of SPS data" << std::endl;
    r << std::string(indent + 1, ' ') << "PPS Number: " << getPPSNumber() << std::endl;
    r << std::string(indent + 2, ' ') << getPPSLen() << " of PPS data" << std::endl;
    return r.str();
  }

  std::string AVCC::asAnnexB(){
    std::stringstream r;
    r << (char)0x00 << (char)0x00 << (char)0x00 << (char)0x01;
    r.write(getSPS(), getSPSLen());
    r << (char)0x00 << (char)0x00 << (char)0x00 << (char)0x01;
    r.write(getPPS(), getPPSLen());
    return r.str();
  }

  void AVCC::setPayload(std::string newPayload){
    if ( !reserve(0, payloadSize(), newPayload.size())){
      DEBUG_MSG(DLVL_ERROR, "Cannot allocate enough memory for payload");
      return;
    }
    memcpy((char*)payload(), (char*)newPayload.c_str(), newPayload.size());
  }
  
  //fullbox, start at 4
  ESDS::ESDS(){
    memcpy(data + 4, "esds", 4);
    setESDescriptorType(0x03);
    setExtendedESDescriptorType(0x808080);
    setStreamPriority(16);
    setDecoderConfigDescriptorTag(0x04);
    setExtendedDecoderConfigDescriptorTag(0x808080);
    setReservedFlag(true);
    setDecoderDescriptorTypeTag(0x05);
    setExtendedDecoderDescriptorTypeTag(0x808080);
    setSLConfigDescriptorTypeTag(0x06);
    setSLConfigExtendedDescriptorTypeTag(0x808010);
    setSLValue(0x02);
  }
  
  ESDS::ESDS(std::string init, uint32_t bps){
    memcpy(data + 4, "esds", 4);
    char temp[] = {0x00, 0x00, 0x00, 0x00, 0x03, 0x80, 0x80, 0x80, 0x00, 0x00, 0x02, 0x10, 0x04, 0x80, 0x80, 0x80, 0x00, 0x40, 0x15, 0x13, 0x12, 0xD0, 0x00, 0x98, 0x96, 0x80, 0x00, 0x00, 0x00, 0x00, 0x05, 0x80, 0x80, 0x80, 0x05};
    setString(temp, 0x23,0);
    setESDescriptorTypeLength(32 + init.size());
    setDecoderConfigDescriptorTypeLength(18 + init.size());
    setAverageBitRate(bps * 8);
    setESHeaderStartCodes(init);
    char temp2[] = {0x05, 0x80, 0x80, 0x10, 0x01, 0x02};
    setString(temp2, 0x06, 0x23 + 32 + init.size());
  }
  
  char ESDS::getESDescriptorType(){
    return getInt8(4);
  }
  
  void ESDS::setESDescriptorType(char newVal){
    setInt8(newVal,4);
  }
  
  uint32_t ESDS::getExtendedESDescriptorType(){
    return getInt24(5);
  }
  //3 bytes
  void ESDS::setExtendedESDescriptorType(uint32_t newVal){
    setInt24(newVal,5);
  }
  //3 bytes
  char ESDS::getESDescriptorTypeLength(){
    return getInt8(8);  
  }
  
  void ESDS::setESDescriptorTypeLength(char newVal){
    setInt8(newVal,8);
  }
  //ESID 2 bytes
  uint16_t ESDS::getESID(){
    return getInt16(9);
  }
  
  void ESDS::setESID(uint16_t newVal){
    setInt16(newVal, 9);
  }
  
  //stream priority 1 byte
  char ESDS::getStreamPriority(){
    return getInt8(11);
  }
  
  void ESDS::setStreamPriority(char newVal){
    setInt8(newVal, 11);
  }
  
  //decoder config descriptor tag 1byte
  char ESDS::getDecoderConfigDescriptorTag(){
    return getInt8(12);
  }
  
  void ESDS::setDecoderConfigDescriptorTag(char newVal){
    setInt8(newVal, 12);
  }
  
  //extended decoder config descriptor tag 3 bytes
  uint32_t ESDS::getExtendedDecoderConfigDescriptorTag(){
    return getInt24(13);
  }
  //3 bytes
  void ESDS::setExtendedDecoderConfigDescriptorTag(uint32_t newVal){
    setInt24(newVal, 13);
  }
  //3 bytes
  //decoder config descriptor type length
  char ESDS::getDecoderConfigDescriptorTypeLength(){
    return getInt8(16);
  }
  
  void ESDS::setDecoderConfigDescriptorTypeLength(char newVal){
    setInt8(newVal, 16);
  }
  //Note: count 8 bytes extra in the next four functions
  char ESDS::getByteObjectTypeID(){
    return getInt8(17);  
  }
  
  void ESDS::setByteObjectTypeID(char newVal){
    setInt8(newVal,17);
  }
  
  char ESDS::getStreamType(){
    return getInt8(18) >> 2;  
  }
  //6 bits
  void ESDS::setStreamType(char newVal){
    setInt8(((newVal << 2) & 0xFC) + (getInt8(18) & 0x03), 18);
  }
  //6 bits
  bool ESDS::getUpstreamFlag(){
    return (((getInt8(18) >> 1) & 0x01) == 1);  
  }
  
  void ESDS::setUpstreamFlag(bool newVal){
    setInt8((getStreamType()<<2) + ((uint8_t)newVal << 1) + (uint8_t)getReservedFlag() , 18);
  }
  
  bool ESDS::getReservedFlag(){
    return ((getInt8(18) & 0x01) == 1);  
  }
  
  void ESDS::setReservedFlag(bool newVal){
    setInt8((getInt8(18) & 0xFE) + (int)newVal, 18);
  }
  
  uint32_t ESDS::getBufferSize(){
    return getInt24(19);  
  }
  //3 bytes
  void ESDS::setBufferSize(uint32_t newVal){
    setInt24(newVal,19);
  }
  //3 bytes
  uint32_t ESDS::getMaximumBitRate(){
    return getInt32(22);  
  }
  
  void ESDS::setMaximumBitRate(uint32_t newVal){
    setInt32(newVal,22);
  }
  
  uint32_t ESDS::getAverageBitRate(){
    return getInt32(26);  
  }
  
  void ESDS::setAverageBitRate(uint32_t newVal){
    setInt32(newVal,26);
  }
  
  char ESDS::getDecoderDescriptorTypeTag(){
    return getInt8(30);
  }
  
  void ESDS::setDecoderDescriptorTypeTag(char newVal){
    setInt8(newVal,30);
  }
  
  uint32_t ESDS::getExtendedDecoderDescriptorTypeTag(){
    return getInt24(31);
  }
  
  //3 bytes
  void ESDS::setExtendedDecoderDescriptorTypeTag(uint32_t newVal){
    setInt24(newVal, 31);
  }

  //3 bytes
  char ESDS::getConfigDescriptorTypeLength(){
    return getInt8(34);
  }
  
  void ESDS::setConfigDescriptorTypeLength(char newVal){
    setInt8(newVal, 34);
  }
  
  std::string ESDS::getESHeaderStartCodes(){
    std::string result;
    for (int i = 0; i < getInt8(34); i++){
      result += getInt8(35 + i);
    }
    return result;
  }
  
  void ESDS::setESHeaderStartCodes(std::string newVal){
    setConfigDescriptorTypeLength(newVal.size());
    for (unsigned int i = 0; i < newVal.size(); i++){
      setInt8(newVal[i],35+i);
    }
  }
  
  char ESDS::getSLConfigDescriptorTypeTag(){
    return getInt8(35 + getInt8(34));  
  }
  
  void ESDS::setSLConfigDescriptorTypeTag(char newVal){
    setInt8(newVal, 35 + getInt8(34));
  }
  
  uint32_t ESDS::getSLConfigExtendedDescriptorTypeTag(){
    return getInt24(36 + getInt8(34));  
  }
  //3 bytes
  void ESDS::setSLConfigExtendedDescriptorTypeTag(uint32_t newVal){
    setInt24(newVal, 36 + getInt8(34));
  }
  //3 bytes
  char ESDS::getSLDescriptorTypeLength(){
    return getInt8(39 + getInt8(34));
  }
  
  void ESDS::setSLDescriptorTypeLength(char newVal){
    setInt8(newVal, 39 + getInt8(34));
  }
  
  char ESDS::getSLValue(){
    return getInt8(40 + getInt8(34));
  }
  
  void ESDS::setSLValue(char newVal){
    setInt8(newVal, 40 + getInt8(34));
  }
  
  std::string ESDS::toPrettyString(uint32_t indent){
    std::stringstream r;
    r << std::string(indent, ' ') << "[esds] ES Descriptor Box (" << boxedSize() << ")" << std::endl;
    r << fullBox::toPrettyString(indent);
    r << std::string(indent + 1, ' ') << "ESDescriptorType: 0x" << std::hex << (int)getESDescriptorType() << std::dec << std::endl;    
    r << std::string(indent + 1, ' ') << "ExtendedESDescriptorType: 0x" << std::hex << (int)getExtendedESDescriptorType() << std::dec << std::endl;
    r << std::string(indent + 1, ' ') << "ESDescriptorTypeLength:"  << (int)getESDescriptorTypeLength() << std::endl;
    r << std::string(indent + 1, ' ') << "ESID: 0x" << std::hex << (int)getESID() << std::dec << std::endl;
    r << std::string(indent + 1, ' ') << "StreamPriority: 0x" << std::hex << (int)getStreamPriority() << std::dec << std::endl;
    r << std::string(indent + 1, ' ') << "DecoderConfigDescriptorTag: 0x" << std::hex << (int)getDecoderConfigDescriptorTag() << std::dec << std::endl;
    r << std::string(indent + 1, ' ') << "ExtendedDecoderConfigDescriptorTag: 0x" << std::hex << (int)getExtendedDecoderConfigDescriptorTag() << std::dec << std::endl;
    r << std::string(indent + 1, ' ') << "DecoderConfigDescriptorTypeLength: " << (int)getDecoderConfigDescriptorTypeLength() << std::endl;
    r << std::string(indent + 1, ' ') << "ByteObjectTypeID: 0x" << std::hex << (int)getByteObjectTypeID() << std::dec << std::endl;
    r << std::string(indent + 1, ' ') << "StreamType: 0x" << std::hex << (int)getStreamType() << std::dec << std::endl;
    r << std::string(indent + 1, ' ') << "UpstreamFlag: 0x" << std::hex << (int)getUpstreamFlag() << std::dec << std::endl;
    r << std::string(indent + 1, ' ') << "BufferSize: 0x" << std::hex << (int)getBufferSize() << std::dec << std::endl;
    r << std::string(indent + 1, ' ') << "MaximumBitRate: 0x" << std::hex << (int)getMaximumBitRate() << std::dec << std::endl;
    r << std::string(indent + 1, ' ') << "AverageBitRate: 0x" << std::hex << (int)getAverageBitRate() << std::dec << std::endl;
    r << std::string(indent + 1, ' ') << "DecoderDescriptorTypeTag: 0x" << std::hex << (int)getDecoderDescriptorTypeTag() << std::dec << std::endl;
    r << std::string(indent + 1, ' ') << "ExtendedDecoderDescriptorTypeTag: 0x" << std::hex << (int)getExtendedDecoderDescriptorTypeTag() << std::dec << std::endl;
    r << std::string(indent + 1, ' ') << "ConfigDescriptorTypeLength: 0x" << std::hex << (int)getConfigDescriptorTypeLength() << std::dec << std::endl;
    r << std::string(indent + 1, ' ') << "ESHeaderStartCodes: 0x";
    for (unsigned int i = 0; i<getESHeaderStartCodes().size(); i++){
      r << std::hex << std::setw(2) << std::setfill('0') << (int)getESHeaderStartCodes()[i] << std::dec;
    }
    r << std::endl;
    r << std::string(indent + 1, ' ') << "SLConfigDescriptorTypeTag: 0x" << std::hex << (int)getSLConfigDescriptorTypeTag() << std::dec << std::endl;
    r << std::string(indent + 1, ' ') << "SLConfigExtendedDescriptorTypeTag: 0x" << std::hex << (int)getSLConfigExtendedDescriptorTypeTag() << std::dec << std::endl;
    r << std::string(indent + 1, ' ') << "SLDescriptorTypeLength: 0x" << std::hex << (int)getSLDescriptorTypeLength() << std::dec << std::endl;
    r << std::string(indent + 1, ' ') << "SLValue: 0x" << std::hex << (int)getSLValue() << std::dec << std::endl;
    return r.str();
  }
  
  FTYP::FTYP(){
    memcpy(data + 4, "ftyp", 4);
    setMajorBrand(0);
    setMinorVersion(0);
  }
  
  void FTYP::setMajorBrand(uint32_t newMajorBrand){
    setInt32(newMajorBrand, 0);
  }
  
  uint32_t FTYP::getMajorBrand(){
    return getInt32(0);
  }
  
  void FTYP::setMinorVersion(uint32_t newMinorVersion){
    setInt32(newMinorVersion, 4);
  }
  
  uint32_t FTYP::getMinorVersion(){
    return getInt32(4);
  }
  
  uint32_t FTYP::getCompatibleBrandsCount(){
    return (payloadSize() - 8) / 4;
  }
  
  void FTYP::setCompatibleBrands(uint32_t newCompatibleBrand, size_t index){
    setInt32(newCompatibleBrand, 8 + (index * 4));
  }
  
  uint32_t FTYP::getCompatibleBrands(size_t index){
    if (index >= getCompatibleBrandsCount()){
      return 0;
    }
    return getInt32(8 + (index * 4));
  }
  
  std::string FTYP::toPrettyString(uint32_t indent){
    std::stringstream r;
    r << std::string(indent, ' ') << "[ftyp] File Type (" << boxedSize() << ")" << std::endl;
    r << std::string(indent + 1, ' ') << "MajorBrand: 0x" << std::hex << getMajorBrand() << std::dec << std::endl;
    r << std::string(indent + 1, ' ') << "MinorVersion: " << getMinorVersion() << std::endl;
    r << std::string(indent + 1, ' ') << "CompatibleBrands (" << getCompatibleBrandsCount() << "):" << std::endl;
    for (unsigned int i = 0; i < getCompatibleBrandsCount(); i++){
      r << std::string(indent + 2, ' ') << "[" << i << "] CompatibleBrand: 0x" << std::hex << getCompatibleBrands(i) << std::dec << std::endl;
    }
    return r.str();
  }
  
  MOOV::MOOV(){
    memcpy(data + 4, "moov", 4);
  }
  
  MVEX::MVEX(){
    memcpy(data + 4, "mvex", 4);
  }
  
  TREX::TREX(){
    memcpy(data + 4, "trex", 4);
  }
  
  void TREX::setTrackID(uint32_t newTrackID){
    setInt32(newTrackID, 0);
  }
  
  uint32_t TREX::getTrackID(){
    return getInt32(0);
  }
  
  void TREX::setDefaultSampleDescriptionIndex(uint32_t newDefaultSampleDescriptionIndex){
    setInt32(newDefaultSampleDescriptionIndex,4);
  }
  
  uint32_t TREX::getDefaultSampleDescriptionIndex(){
    return getInt32(4);
  }
  
  void TREX::setDefaultSampleDuration(uint32_t newDefaultSampleDuration){
    setInt32(newDefaultSampleDuration,8);
  }
  
  uint32_t TREX::getDefaultSampleDuration(){
    return getInt32(8);
  }
  
  void TREX::setDefaultSampleSize(uint32_t newDefaultSampleSize){
    setInt32(newDefaultSampleSize,12);
  }
  
  uint32_t TREX::getDefaultSampleSize(){
    return getInt32(12);
  }
  
  void TREX::setDefaultSampleFlags(uint32_t newDefaultSampleFlags){
    setInt32(newDefaultSampleFlags,16);
  }
  
  uint32_t TREX::getDefaultSampleFlags(){
    return getInt32(16);
  }
  
  std::string TREX::toPrettyString(uint32_t indent){
    std::stringstream r;
    r << std::string(indent, ' ') << "[trex] Track Extends (" << boxedSize() << ")" << std::endl;
    r << std::string(indent + 1, ' ') << "TrackID: " << getTrackID() << std::endl;
    r << std::string(indent + 1, ' ') << "DefaultSampleDescriptionIndex : " << getDefaultSampleDescriptionIndex() << std::endl;
    r << std::string(indent + 1, ' ') << "DefaultSampleDuration : " << getDefaultSampleDuration() << std::endl;
    r << std::string(indent + 1, ' ') << "DefaultSampleSize : " << getDefaultSampleSize() << std::endl;
    r << std::string(indent + 1, ' ') << "DefaultSampleFlags : " << getDefaultSampleFlags() << std::endl;
    return r.str();
  }

  TRAK::TRAK(){
    memcpy(data + 4, "trak", 4);
  }
  
  MDIA::MDIA(){
    memcpy(data + 4, "mdia", 4);
  }
  
  MINF::MINF(){
    memcpy(data + 4, "minf", 4);
  }
  
  DINF::DINF(){
    memcpy(data + 4, "dinf", 4);
  }
  
  MFRA::MFRA(){
    memcpy(data + 4, "mfra", 4);
  }
  
  MFRO::MFRO(){
    memcpy(data + 4, "mfro", 4);
  }

  void MFRO::setSize(uint32_t newSize){
    setInt32(newSize,0);
  }
  
  uint32_t MFRO::getSize(){
    return getInt32(0);
  }
  
  std::string MFRO::toPrettyString(uint32_t indent){
    std::stringstream r;
    r << std::string(indent, ' ') << "[mfro] Movie Fragment Random Access Offset (" << boxedSize() << ")" << std::endl;
    r << std::string(indent + 1, ' ') << "Size: " << getSize() << std::endl;
    return r.str();
  }
  
  HDLR::HDLR(){
    memcpy(data + 4, "hdlr", 4);
    setName("");
  }
  
  void HDLR::setSize(uint32_t newSize){
    setInt32(newSize,0);
  }
  
  uint32_t HDLR::getSize(){
    return getInt32(0);
  }
  
  void HDLR::setPreDefined(uint32_t newPreDefined){
    setInt32(newPreDefined,4);
  }
  
  uint32_t HDLR::getPreDefined(){
    return getInt32(4);
  }
  
  void HDLR::setHandlerType(uint32_t newHandlerType){
    setInt32(newHandlerType, 8);
  }
  
  uint32_t HDLR::getHandlerType(){
    return getInt32(8);
  }
  
  void HDLR::setName(std::string newName){
    setString(newName, 24);
  }
  
  std::string HDLR::getName(){
    return getString(24);
  }
  
  std::string HDLR::toPrettyString(uint32_t indent){
    std::stringstream r;
    r << std::string(indent, ' ') << "[hdlr] Handler Reference (" << boxedSize() << ")" << std::endl;
    r << std::string(indent + 1, ' ') << "PreDefined: " << getPreDefined() << std::endl;
    r << std::string(indent + 1, ' ') << "HandlerType: " << 
      (char)((getHandlerType() & 0xFF000000) >> 24) << (char)((getHandlerType() & 0x00FF0000) >> 16) <<
      (char)((getHandlerType() & 0x0000FF00) >> 8) << (char)(getHandlerType() & 0x000000FF) << std::endl;
    r << std::string(indent + 1, ' ') << "Name: " << getName() << std::endl;
    return r.str();
  }
  
  //Note: next 4 headers inherit from fullBox, start at byte 4.
  VMHD::VMHD(){
    memcpy(data + 4, "vmhd", 4);
    setGraphicsMode(0);
    setOpColor(0,0);
    setOpColor(0,1);
    setOpColor(0,2);
  }
  
  void VMHD::setGraphicsMode(uint16_t newGraphicsMode){
    setInt16(newGraphicsMode,4);
  }
  
  uint16_t VMHD::getGraphicsMode(){
    return getInt16(4);
  }
  
  uint32_t VMHD::getOpColorCount(){
    return 3;
  }
  
  void VMHD::setOpColor(uint16_t newOpColor, size_t index){
    if (index <3){
      setInt16(newOpColor, 6 + (2 * index));
    }
  }
  
  uint16_t VMHD::getOpColor(size_t index){
    if (index < 3){
      return getInt16(6 + (index * 2));
    }else{
      return 0;
    }
  }
  
  std::string VMHD::toPrettyString(uint32_t indent){
    std::stringstream r;
    r << std::string(indent, ' ') << "[vmhd] Video Media Header Box (" << boxedSize() << ")" << std::endl;
    r << fullBox::toPrettyString(indent);
    r << std::string(indent + 1, ' ') << "GraphicsMode: " << getGraphicsMode() << std::endl;
    for (unsigned int i = 0; i < getOpColorCount(); i++){
      r << std::string(indent + 1, ' ') << "OpColor["<<i<<"]: " << getOpColor(i) << std::endl;
    }
    return r.str();
  }
    
  SMHD::SMHD(){
    memcpy(data + 4, "smhd", 4);
    setBalance(0);
    setInt16(0,6);
  }
  
  void SMHD::setBalance(int16_t newBalance){
    setInt16(newBalance,4);
  }
  
  int16_t SMHD::getBalance(){
    return getInt16(4);
  }
  
  std::string SMHD::toPrettyString(uint32_t indent){
    std::stringstream r;
    r << std::string(indent, ' ') << "[smhd] Sound Media Header Box (" << boxedSize() << ")" << std::endl;
    r << fullBox::toPrettyString(indent);
    r << std::string(indent + 1, ' ') << "Balance: " << getBalance() << std::endl;
    return r.str();
  }

  HMHD::HMHD(){
    memcpy(data + 4, "hmhd", 4);
  }
  
  void HMHD::setMaxPDUSize(uint16_t newMaxPDUSize){
    setInt16(newMaxPDUSize,4);
  }
  
  uint16_t HMHD::getMaxPDUSize(){
    return getInt16(4);
  }
  
  void HMHD::setAvgPDUSize(uint16_t newAvgPDUSize){
    setInt16(newAvgPDUSize,6);
  }
  
  uint16_t HMHD::getAvgPDUSize(){
    return getInt16(6);
  }
  
  void HMHD::setMaxBitRate(uint32_t newMaxBitRate){
    setInt32(newMaxBitRate,8);
  }
  
  uint32_t HMHD::getMaxBitRate(){
    return getInt32(8);
  }
  
  void HMHD::setAvgBitRate(uint32_t newAvgBitRate){
    setInt32(newAvgBitRate,12);
  }
  
  uint32_t HMHD::getAvgBitRate(){
    return getInt32(12);
  }
  
  std::string HMHD::toPrettyString(uint32_t indent){
    std::stringstream r;
    r << std::string(indent, ' ') << "[hmhd] Hint Media Header Box (" << boxedSize() << ")" << std::endl;
    r << fullBox::toPrettyString(indent);
    r << std::string(indent + 1, ' ') << "maxPDUSize: " << getMaxPDUSize() << std::endl;
    r << std::string(indent + 1, ' ') << "avgPDUSize: " << getAvgPDUSize() << std::endl;
    r << std::string(indent + 1, ' ') << "maxBitRate: " << getMaxBitRate() << std::endl;
    r << std::string(indent + 1, ' ') << "avgBitRate: " << getAvgBitRate() << std::endl;
    return r.str();
  }
  
  NMHD::NMHD(){
    memcpy(data + 4, "nmhd", 4);
  }
  
  std::string NMHD::toPrettyString(uint32_t indent){
    std::stringstream r;
    r << std::string(indent, ' ') << "[nmhd] Null Media Header Box (" << boxedSize() << ")" << std::endl;
    r << fullBox::toPrettyString(indent);
    return r.str();
  }
  
  MEHD::MEHD(){
    memcpy(data + 4, "mehd", 4);
  }
  
  void MEHD::setFragmentDuration(uint64_t newFragmentDuration){
    if (getVersion() == 0){
      setInt32(newFragmentDuration,4);
    }else{
      setInt64(newFragmentDuration,4);
    }
  }
  
  uint64_t MEHD::getFragmentDuration(){
    if(getVersion() == 0){
      return getInt32(4);
    }else{
      return getInt64(4);
    }
  }
  
  std::string MEHD::toPrettyString(uint32_t indent){
    std::stringstream r;
    r << std::string(indent, ' ') << "[mehd] Movie Extends Header Box (" << boxedSize() << ")" << std::endl;
    r << fullBox::toPrettyString(indent);
    r << std::string(indent + 1, ' ') << "FragmentDuration: " << getFragmentDuration() << std::endl;
    return r.str();
  }
  
  STBL::STBL(){
    memcpy(data + 4, "stbl", 4);
  }
  
  URL::URL(){
    memcpy(data + 4, "url ", 4);
  }
  
  void URL::setLocation(std::string newLocation){
    setString(newLocation, 4);
  }
  
  std::string URL::getLocation(){
    return std::string(getString(4),getStringLen(4));
  }
  
  std::string URL::toPrettyString(uint32_t indent){
    std::stringstream r;
    r << std::string(indent, ' ') << "[url ] URL Box (" << boxedSize() << ")" << std::endl;
    r << fullBox::toPrettyString(indent);
    r << std::string(indent + 1, ' ') << "Location: " << getLocation() << std::endl;
    return r.str();
  }

  URN::URN(){
    memcpy(data + 4, "urn ", 4);
  }
  
  void URN::setName(std::string newName){
    setString(newName, 4);
  }
  
  std::string URN::getName(){
    return std::string(getString(4),getStringLen(4));
  }
  
  void URN::setLocation(std::string newLocation){
    setString(newLocation, 4 + getStringLen(4) + 1);
  }
  
  std::string URN::getLocation(){
    int loc = 4 + getStringLen(4) + 1;
    return std::string(getString(loc),getStringLen(loc));
  }
  
  std::string URN::toPrettyString(uint32_t indent){
    std::stringstream r;
    r << std::string(indent, ' ') << "[urn ] URN Box (" << boxedSize() << ")" << std::endl;
    r << fullBox::toPrettyString(indent);
    r << std::string(indent + 1, ' ') << "Name: " << getName() << std::endl;
    r << std::string(indent + 1, ' ') << "Location: " << getLocation() << std::endl;
    return r.str();
  }

  DREF::DREF(char v, uint32_t f){
    memcpy(data + 4, "dref", 4);
    setVersion(v);
    setFlags(f);
    setInt32(0,4);
  }
  
  uint32_t DREF::getEntryCount(){
    return getInt32(4);
  }
  
  void DREF::setDataEntry(fullBox & newDataEntry, size_t index){
    unsigned int i;
    uint32_t offset = 8; //start of boxes
    for (i=0; i< getEntryCount() && i < index; i++){
      offset += getBoxLen(offset);
    }
    if (index+1 > getEntryCount()){
      int amount = index + 1 - getEntryCount();
      if ( !reserve(payloadOffset + offset, 0, amount * 8)){
        return;
      }
      for (int j = 0; j < amount; ++j){
        memcpy(data + payloadOffset + offset + j * 8, "\000\000\000\010erro", 8);
      }
      setInt32(index + 1, 4);
      offset += (index - i) * 8;
    }
    setBox(newDataEntry, offset);
  }
  
  Box & DREF::getDataEntry(size_t index){
    uint32_t offset = 8;
    if (index > getEntryCount()){
      static Box res;
      return (Box &)res;
    }
    
    for (unsigned int i=0; i < index; i++){
      offset += getBoxLen(offset);
    }
    return (Box &)getBox(offset);
  }
  
  std::string DREF::toPrettyString(uint32_t indent){
    std::stringstream r;
    r << std::string(indent, ' ') << "[dref] Data Reference Box (" << boxedSize() << ")" << std::endl;
    r << fullBox::toPrettyString(indent);
    r << std::string(indent + 1, ' ') << "EntryCount: " << getEntryCount() << std::endl;
    for (unsigned int i = 0; i< getEntryCount(); i++){
      r << getDataEntry(i).toPrettyString(indent+1);
    }
    return r.str();
  }
  
  MVHD::MVHD(char v, uint32_t f){
    memcpy(data + 4, "mvhd", 4);
    setVersion(v);
    setFlags(f);
    setCreationTime(0);
    setModificationTime(0);
    setTimeScale(1000);
    setDuration(0);
    setRate(0x00010000);
    setVolume(0x0100);
    setMatrix(0x40000000,0);
    setMatrix(0x00010000,4);
    setMatrix(0x00010000,8);
    setTrackID(1);
  }
  
  MVHD::MVHD(long long unsigned int duration){
    //memcpy(data + 4, "mvhd", 4);
    //char temp[] =  {00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 0x03, 0xE8, 0x10, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 0x01, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 01, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 40, 00, 00, 00};
    //char temp[] = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x3e, 0x80, 0x3d, 0xe8, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x00, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x04, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01};
    //setString(temp, 0x4F, 0);
    //setDuration(duration);
    
    memcpy(data + 4, "mvhd", 4);
    setVersion(0);
    setFlags(0);
    setTrackID(1);
    setTimeScale(1000);

    setRate(0x00010000);
    setVolume(0x0100);
    setMatrix(0x40000000,0);
    setMatrix(0x00010000,4);
    setMatrix(0x00010000,8);
    setTimeScale(1000);
    setRate(0x10000);
    
    setDuration(duration);
  }
  
  void MVHD::setCreationTime(uint64_t newCreationTime){
    if (getVersion() == 0){
      setInt32((uint32_t) newCreationTime, 4);
    }else{
      setInt64(newCreationTime, 4);
    }
  }
  
  uint64_t MVHD::getCreationTime(){
    if (getVersion() == 0){
      return (uint64_t)getInt32(4);
    }else{
      return getInt64(4);
    }
  }
  
  void MVHD::setModificationTime(uint64_t newModificationTime){
    if (getVersion() == 0){
      setInt32((uint32_t) newModificationTime, 8);
    }else{
      setInt64(newModificationTime, 12);
    }
  }
  
  uint64_t MVHD::getModificationTime(){
    if (getVersion() == 0){
      return (uint64_t)getInt32(8);
    }else{
      return getInt64(12);
    }
  }
  
  void MVHD::setTimeScale(uint32_t newTimeScale){
    if (getVersion() == 0){
      setInt32((uint32_t) newTimeScale, 12);
    }else{
      setInt32(newTimeScale, 20);
    }
  }
  
  uint32_t MVHD::getTimeScale(){
    if (getVersion() == 0){
      return getInt32(12);
    }else{
      return getInt32(20);
    }
  }
  
  void MVHD::setDuration(uint64_t newDuration){
    if (getVersion() == 0){
      setInt32((uint32_t) newDuration, 16);
    }else{
      setInt64(newDuration, 24);
    }
  }
  
  uint64_t MVHD::getDuration(){
    if (getVersion() == 0){
      return (uint64_t)getInt32(16);
    }else{
      return getInt64(24);
    }
  }
  
  void MVHD::setRate(uint32_t newRate){
    if (getVersion() == 0){
      setInt32( newRate, 20);
    }else{
      setInt32(newRate, 32);
    }
  }
  
  uint32_t MVHD::getRate(){
    if (getVersion() == 0){
      return getInt32(20);
    }else{
      return getInt32(32);
    }
  }
  
  void MVHD::setVolume(uint16_t newVolume){
    if (getVersion() == 0){
      setInt16(newVolume, 24);
    }else{
      setInt16(newVolume, 36);
    }
  }
  
  uint16_t MVHD::getVolume(){
    if (getVersion() == 0){
      return getInt16(24);
    }else{
      return getInt16(36);
    }
  }
  //10 bytes reserved in between
  uint32_t MVHD::getMatrixCount(){
    return 9;
  }
  
  void MVHD::setMatrix(int32_t newMatrix, size_t index){
    int offset = 0;
    if (getVersion() == 0){
      offset = 24 + 2 + 10;
    }else{
      offset = 36 + 2 + 10;
    }
    setInt32(newMatrix, offset + index * 4);
  }
  
  int32_t MVHD::getMatrix(size_t index){
    int offset = 0;
    if (getVersion() == 0){
      offset = 24 + 2 + 10;
    }else{
      offset = 36 + 2 + 10;
    }
    return getInt32(offset + index * 4);
  }
  
  //24 bytes of pre-defined in between
  void MVHD::setTrackID(uint32_t newTrackID){
    if (getVersion() == 0){
      setInt32(newTrackID, 86);
    }else{
      setInt32(newTrackID, 98);
    }
  }
  
  uint32_t MVHD::getTrackID(){
    if (getVersion() == 0){
      return getInt32(86);
    }else{
      return getInt32(98);
    }
  }
  
  std::string MVHD::toPrettyString(uint32_t indent){
    std::stringstream r;
    r << std::string(indent, ' ') << "[mvhd] Movie Header Box (" << boxedSize() << ")" << std::endl;
    r << fullBox::toPrettyString(indent);
    r << std::string(indent + 1, ' ') << "CreationTime: " << getCreationTime() << std::endl;
    r << std::string(indent + 1, ' ') << "ModificationTime: " << getModificationTime() << std::endl;
    r << std::string(indent + 1, ' ') << "TimeScale: " << getTimeScale() << std::endl;
    r << std::string(indent + 1, ' ') << "Duration: " << getDuration() << std::endl;
    r << std::string(indent + 1, ' ') << "Rate: " << getRate() << std::endl;
    r << std::string(indent + 1, ' ') << "Volume: " << getVolume() << std::endl;
    r << std::string(indent + 1, ' ') << "Matrix: ";
    for (unsigned int i = 0; i< getMatrixCount(); i++){
      r << getMatrix(i);
      if (i!=getMatrixCount()-1){
        r << ", ";
      }
    }
    r << std::endl;
    r << std::string(indent + 1, ' ') << "TrackID: " << getTrackID() << std::endl;
    return r.str();
  }
  
  TFRA::TFRA(){
    memcpy(data + 4, "dref", 4);
  }
  
  //note, fullbox starts at byte 4
  void TFRA::setTrackID(uint32_t newTrackID){
    setInt32(newTrackID, 4);
  }
  
  uint32_t TFRA::getTrackID(){
    return getInt32(4);
  }
  
  void TFRA::setLengthSizeOfTrafNum(char newVal){
    char part = getInt8(11);
    setInt8(((newVal & 0x03)<<4) + (part & 0xCF),11);
  }
  
  char TFRA::getLengthSizeOfTrafNum(){
    return (getInt8(11)>>4) & 0x03;
  }
  
  void TFRA::setLengthSizeOfTrunNum(char newVal){
    char part = getInt8(11);
    setInt8(((newVal & 0x03)<<2) + (part & 0xF3),11);
  }
  
  char TFRA::getLengthSizeOfTrunNum(){
    return (getInt8(11)>>2) & 0x03;
  }
  
  void TFRA::setLengthSizeOfSampleNum(char newVal){
    char part = getInt8(11);
    setInt8(((newVal & 0x03)) + (part & 0xFC),11);
  }
  
  char TFRA::getLengthSizeOfSampleNum(){
    return (getInt8(11)) & 0x03;
  }
  
  void TFRA::setNumberOfEntry(uint32_t newNumberOfEntry){
    setInt32(newNumberOfEntry,12);
  }
  
  uint32_t TFRA::getNumberOfEntry(){
    return getInt32(12);
  }
  
  uint32_t TFRA::getTFRAEntrySize(){
    int EntrySize= (getVersion()==1 ? 16 : 8);
    EntrySize += getLengthSizeOfTrafNum()+1;
    EntrySize += getLengthSizeOfTrunNum()+1;
    EntrySize += getLengthSizeOfSampleNum()+1;
    return EntrySize;
  }
  
  void TFRA::setTFRAEntry(TFRAEntry newTFRAEntry, uint32_t no){
    if (no + 1 > getNumberOfEntry()){//if a new entry is issued
      uint32_t offset = 16 + getTFRAEntrySize() * getNumberOfEntry();//start of filler in bytes
      uint32_t fillsize = (no + 1 - getNumberOfEntry())*getTFRAEntrySize();//filler in bytes
      if ( !reserve(offset, 0, fillsize)){//filling space
        return;
      }
      setNumberOfEntry(no+1);
    }
    uint32_t loc = 16 + no * getTFRAEntrySize();
    if (getVersion() == 1){
      setInt64(newTFRAEntry.time, loc);
      setInt64(newTFRAEntry.moofOffset, loc+8);
      loc += 16;
    }else{
      setInt32(newTFRAEntry.time, loc);
      setInt32(newTFRAEntry.moofOffset, loc+4);
      loc += 8;
    }
    switch (getLengthSizeOfTrafNum()){
      case 0:
        setInt8(newTFRAEntry.trafNumber, loc);        
        break;
      case 1:
        setInt16(newTFRAEntry.trafNumber, loc);        
        break;
      case 2:
        setInt24(newTFRAEntry.trafNumber, loc);        
        break;
      case 3:
        setInt32(newTFRAEntry.trafNumber, loc);        
        break;
    }
    loc += getLengthSizeOfTrafNum() + 1;
    switch (getLengthSizeOfTrunNum()){
      case 0:
        setInt8(newTFRAEntry.trunNumber, loc);        
        break;
      case 1:
        setInt16(newTFRAEntry.trunNumber, loc);        
        break;
      case 2:
        setInt24(newTFRAEntry.trunNumber, loc);        
        break;
      case 3:
        setInt32(newTFRAEntry.trunNumber, loc);        
        break;
    }
    loc += getLengthSizeOfTrunNum() + 1;
    switch (getLengthSizeOfSampleNum()){
      case 0:
        setInt8(newTFRAEntry.sampleNumber, loc);        
        break;
      case 1:
        setInt16(newTFRAEntry.sampleNumber, loc);        
        break;
      case 2:
        setInt24(newTFRAEntry.sampleNumber, loc);        
        break;
      case 3:
        setInt32(newTFRAEntry.sampleNumber, loc);        
        break;
    }
  }
  
  TFRAEntry & TFRA::getTFRAEntry(uint32_t no){
    static TFRAEntry retval;
    if (no >= getNumberOfEntry()){
      static TFRAEntry inval;
      return inval;
    }
    uint32_t loc = 16 + no * getTFRAEntrySize();
    if (getVersion() == 1){
      retval.time = getInt64(loc);
      retval.moofOffset = getInt64(loc + 8);
      loc += 16;
    }else{
      retval.time = getInt32(loc);
      retval.moofOffset = getInt32(loc + 4);
      loc += 8;
    }
    switch (getLengthSizeOfTrafNum()){
      case 0:
        retval.trafNumber = getInt8(loc);        
        break;
      case 1:
        retval.trafNumber = getInt16(loc);        
        break;
      case 2:
        retval.trafNumber = getInt24(loc);        
        break;
      case 3:
        retval.trafNumber = getInt32(loc);        
        break;
    }
    loc += getLengthSizeOfTrafNum() + 1;
    switch (getLengthSizeOfTrunNum()){
      case 0:
        retval.trunNumber = getInt8(loc);        
        break;
      case 1:
        retval.trunNumber = getInt16(loc);        
        break;
      case 2:
        retval.trunNumber = getInt24(loc);        
        break;
      case 3:
        retval.trunNumber = getInt32(loc);        
        break;
    }
    loc += getLengthSizeOfTrunNum() + 1;
    switch (getLengthSizeOfSampleNum()){
      case 0:
        retval.sampleNumber = getInt8(loc);        
        break;
      case 1:
        retval.sampleNumber = getInt16(loc);        
        break;
      case 2:
        retval.sampleNumber = getInt24(loc);        
        break;
      case 3:
        retval.sampleNumber = getInt32(loc);        
        break;
    }
    return retval;
  }
       
  std::string TFRA::toPrettyString(uint32_t indent){
    std::stringstream r;
    r << std::string(indent, ' ') << "[tfra] Track Fragment Random Access Box (" << boxedSize() << ")" << std::endl;
    r << fullBox::toPrettyString(indent);
    r << std::string(indent + 1, ' ') << "TrackID: " << getTrackID() << std::endl;
    r << std::string(indent + 1, ' ') << "lengthSizeOfTrafNum: " << (int)getLengthSizeOfTrafNum() << std::endl;
    r << std::string(indent + 1, ' ') << "lengthSizeOfTrunNum: " << (int)getLengthSizeOfTrunNum() << std::endl;
    r << std::string(indent + 1, ' ') << "lengthSizeOfSampleNum: " << (int)getLengthSizeOfSampleNum() << std::endl;
    r << std::string(indent + 1, ' ') << "NumberOfEntry: " << getNumberOfEntry() << std::endl;
    for (unsigned int i = 0; i < getNumberOfEntry(); i++){
      static TFRAEntry temp;
      temp = getTFRAEntry(i);
      r << std::string(indent + 1, ' ') << "Entry[" << i <<"]:"<< std::endl;
      r << std::string(indent + 2, ' ') << "Time: " << temp.time << std::endl;
      r << std::string(indent + 2, ' ') << "MoofOffset: " << temp.moofOffset << std::endl;
      r << std::string(indent + 2, ' ') << "TrafNumber: " << temp.trafNumber << std::endl;
      r << std::string(indent + 2, ' ') << "TrunNumber: " << temp.trunNumber << std::endl;
      r << std::string(indent + 2, ' ') << "SampleNumber: " << temp.sampleNumber << std::endl;
    }
    return r.str();
  }

  TKHD::TKHD(char v, uint32_t f){
    memcpy(data + 4, "tkhd", 4);
    setVersion(v);
    setFlags(f);
    setCreationTime(0);
    setModificationTime(0);
    setTrackID(0);
    setDuration(0);
    setLayer(0);
    setAlternateGroup(0);
    setVolume(0x0100);
    setMatrix(0x00010000,0);
    setMatrix(0x00010000,4);
    //fills automatically with zero's
    setMatrix(0x40000000,8);
    setWidth(0);
    setHeight(0);
  }
  
  void TKHD::setCreationTime(uint64_t newCreationTime){
    if (getVersion() == 0){
      setInt32((uint32_t) newCreationTime, 4);
    }else{
      setInt64(newCreationTime, 4);
    }
  }
  
  uint64_t TKHD::getCreationTime(){
    if (getVersion() == 0){
      return (uint64_t)getInt32(4);
    }else{
      return getInt64(4);
    }
  }
  
  void TKHD::setModificationTime(uint64_t newModificationTime){
    if (getVersion() == 0){
      setInt32((uint32_t) newModificationTime, 8);
    }else{
      setInt64(newModificationTime, 12);
    }
  }
  
  uint64_t TKHD::getModificationTime(){
    if (getVersion() == 0){
      return (uint64_t)getInt32(8);
    }else{
      return getInt64(12);
    }
  }
  
  void TKHD::setTrackID(uint32_t newTrackID){
    if (getVersion() == 0){
      setInt32((uint32_t) newTrackID, 12);
    }else{
      setInt32(newTrackID, 20);
    }
  }
  
  uint32_t TKHD::getTrackID(){
    if (getVersion() == 0){
      return getInt32(12);
    }else{
      return getInt32(20);
    }
  }
  //note 4 bytes reserved in between
  void TKHD::setDuration(uint64_t newDuration){
    if (getVersion() == 0){
      setInt32(newDuration, 20);
    }else{
      setInt64(newDuration, 28);
    }
  }
  
  uint64_t TKHD::getDuration(){
    if (getVersion() == 0){
      return (uint64_t)getInt32(20);
    }else{
      return getInt64(28);
    }
  }
  //8 bytes reserved in between
  void TKHD::setLayer(uint16_t newLayer){
    if (getVersion() == 0){
      setInt16(newLayer, 32);
    }else{
      setInt16(newLayer, 44);
    }
  }
  
  uint16_t TKHD::getLayer(){
    if (getVersion() == 0){
      return getInt16(32);
    }else{
      return getInt16(44);
    }
  }
  
  void TKHD::setAlternateGroup(uint16_t newAlternateGroup){
    if (getVersion() == 0){
      setInt16(newAlternateGroup, 34);
    }else{
      setInt16(newAlternateGroup, 46);
    }
  }
  
  uint16_t TKHD::getAlternateGroup(){
    if (getVersion() == 0){
      return getInt16(34);
    }else{
      return getInt16(46);
    }
  }
  
  void TKHD::setVolume(uint16_t newVolume){
    if (getVersion() == 0){
      setInt16(newVolume, 36);
    }else{
      setInt16(newVolume, 48);
    }
  }
  
  uint16_t TKHD::getVolume(){
    if (getVersion() == 0){
      return getInt16(36);
    }else{
      return getInt16(48);
    }
  }
  //2 bytes reserved in between
  uint32_t TKHD::getMatrixCount(){
    return 9;
  }
  
  void TKHD::setMatrix(int32_t newMatrix, size_t index){
    int offset = 0;
    if (getVersion() == 0){
      offset = 36 + 2 + 2;
    }else{
      offset = 48 + 2 + 2;
    }
    setInt32(newMatrix, offset + index * 4);
  }
  
  int32_t TKHD::getMatrix(size_t index){
    int offset = 0;
    if (getVersion() == 0){
      offset = 36 + 2 + 2;
    }else{
      offset = 48 + 2 + 2;
    }
    return getInt32(offset + index * 4);
  }
  
  void TKHD::setWidth(uint32_t newWidth){
    if (getVersion() == 0){
      setInt32(newWidth, 76);
    }else{
      setInt32(newWidth, 88);
    }
  }
  
  uint32_t TKHD::getWidth(){
    if (getVersion() == 0){
      return getInt32(76);
    }else{
      return getInt32(88);
    }
  }
  
  void TKHD::setHeight(uint32_t newHeight){
    if (getVersion() == 0){
      setInt32(newHeight, 80);
    }else{
      setInt32(newHeight, 92);
    }
  }
  
  uint32_t TKHD::getHeight(){
    if (getVersion() == 0){
      return getInt32(80);
    }else{
      return getInt32(92);
    }
  }
        
  std::string TKHD::toPrettyString(uint32_t indent){
    std::stringstream r;
    r << std::string(indent, ' ') << "[tkhd] Track Header Box (" << boxedSize() << ")" << std::endl;
    r << fullBox::toPrettyString(indent);
    r << std::string(indent + 1, ' ') << "CreationTime: " << getCreationTime() << std::endl;
    r << std::string(indent + 1, ' ') << "ModificationTime: " << getModificationTime() << std::endl;
    r << std::string(indent + 1, ' ') << "TrackID: " << getTrackID() << std::endl;
    r << std::string(indent + 1, ' ') << "Duration: " << getDuration() << std::endl;
    r << std::string(indent + 1, ' ') << "Layer: " << getLayer() << std::endl;
    r << std::string(indent + 1, ' ') << "AlternateGroup: " << getAlternateGroup() << std::endl;
    r << std::string(indent + 1, ' ') << "Volume: " << getVolume() << std::endl;
    r << std::string(indent + 1, ' ') << "Matrix: ";
    for (unsigned int i = 0; i< getMatrixCount(); i++){
      r << getMatrix(i);
      if (i!=getMatrixCount()-1){
        r << ", ";
      }
    }
    r << std::endl;
    r << std::string(indent + 1, ' ') << "Width: " << (getWidth() >> 16) << "." << (getWidth() & 0xFFFF) << std::endl;
    r << std::string(indent + 1, ' ') << "Height: " << (getHeight() >> 16) << "." << (getHeight() & 0xFFFF) << std::endl;
    return r.str();
  }

  MDHD::MDHD(char v, uint32_t f){
    memcpy(data + 4, "mdhd", 4);
    setVersion(v);
    setFlags(f);
    setCreationTime(0);
    setModificationTime(0);
    setTimeScale(1000);
    setDuration(0);
    setLanguage(0);
    if (v==0){
      setInt16(0,22);
    }else{
      setInt16(0,34);
    }
  }
  
  void MDHD::setCreationTime(uint64_t newCreationTime){
    if (getVersion() == 0){
      setInt32((uint32_t) newCreationTime, 4);
    }else{
      setInt64(newCreationTime, 4);
    }
  }
  
  uint64_t MDHD::getCreationTime(){
    if (getVersion() == 0){
      return (uint64_t)getInt32(4);
    }else{
      return getInt64(4);
    }
  }
  
  void MDHD::setModificationTime(uint64_t newModificationTime){
    if (getVersion() == 0){
      setInt32((uint32_t) newModificationTime, 8);
    }else{
      setInt64(newModificationTime, 12);
    }
  }
  
  uint64_t MDHD::getModificationTime(){
    if (getVersion() == 0){
      return (uint64_t)getInt32(8);
    }else{
      return getInt64(12);
    }
  }
  
  void MDHD::setTimeScale(uint32_t newTimeScale){
    if (getVersion() == 0){
      setInt32((uint32_t) newTimeScale, 12);
    }else{
      setInt32(newTimeScale, 20);
    }
  }
  
  uint32_t MDHD::getTimeScale(){
    if (getVersion() == 0){
      return getInt32(12);
    }else{
      return getInt32(20);
    }
  }
  
  void MDHD::setDuration(uint64_t newDuration){
    if (getVersion() == 0){
      setInt32((uint32_t) newDuration, 16);
    }else{
      setInt64(newDuration, 24);
    }
  }
  
  uint64_t MDHD::getDuration(){
    if (getVersion() == 0){
      return (uint64_t)getInt32(16);
    }else{
      return getInt64(24);
    }
  }

  void MDHD::setLanguage (uint16_t newLanguage){
    if (getVersion() == 0){
      setInt16(newLanguage & 0x7F, 20);
    }else{
      setInt16(newLanguage & 0x7F, 32);
    }
  }
  
  uint16_t MDHD::getLanguage(){
    if (getVersion() == 0){
      return getInt16(20) & 0x7F;
    }else{
      return getInt16(32) & 0x7F;
    }
  }
  
  std::string MDHD::toPrettyString(uint32_t indent){
    std::stringstream r;
    r << std::string(indent, ' ') << "[mdhd] Media Header Box (" << boxedSize() << ")" << std::endl;
    r << fullBox::toPrettyString(indent);
    r << std::string(indent + 1, ' ') << "CreationTime: " << getCreationTime() << std::endl;
    r << std::string(indent + 1, ' ') << "ModificationTime: " << getModificationTime() << std::endl;
    r << std::string(indent + 1, ' ') << "TimeScale: " << getTimeScale() << std::endl;
    r << std::string(indent + 1, ' ') << "Duration: " << getDuration() << std::endl;
    r << std::string(indent + 1, ' ') << "Language: 0x" << std::hex << getLanguage() << std::dec<< std::endl;
    return r.str();
  }
  
  STTS::STTS(char v, uint32_t f){
    memcpy(data + 4, "stts", 4);
    setVersion(v);
    setFlags(f);
    setEntryCount(0);
  }
  
  void STTS::setEntryCount(uint32_t newEntryCount){
    setInt32(newEntryCount, 4);
  }
  
  uint32_t STTS::getEntryCount(){
    return getInt32(4);
  }
  
  void STTS::setSTTSEntry(STTSEntry newSTTSEntry, uint32_t no){
    if(no + 1 > getEntryCount()){
      setEntryCount(no + 1);
      for (unsigned int i = getEntryCount(); i < no; i++){
        setInt64(0, 8 + (i * 8));//filling up undefined entries of 64 bits
      }
    }
    setInt32(newSTTSEntry.sampleCount, 8 + no * 8);
    setInt32(newSTTSEntry.sampleDelta, 8 + (no * 8) + 4);
  }
  
  STTSEntry STTS::getSTTSEntry(uint32_t no){
    static STTSEntry retval;
    if (no >= getEntryCount()){
      static STTSEntry inval;
      return inval;
    }
    retval.sampleCount = getInt32(8 + (no * 8));
    retval.sampleDelta = getInt32(8 + (no * 8) + 4);
    return retval;
  }
  
  std::string STTS::toPrettyString(uint32_t indent){
      std::stringstream r;
    r << std::string(indent, ' ') << "[stts] Sample Table Box (" << boxedSize() << ")" << std::endl;
    r << fullBox::toPrettyString(indent);
    r << std::string(indent + 1, ' ') << "EntryCount: " << getEntryCount() << std::endl;
    for (unsigned int i = 0; i < getEntryCount(); i++){
      static STTSEntry temp;
      temp = getSTTSEntry(i);
      r << std::string(indent + 1, ' ') << "Entry[" << i <<"]:"<< std::endl;
      r << std::string(indent + 2, ' ') << "SampleCount: " << temp.sampleCount << std::endl;
      r << std::string(indent + 2, ' ') << "SampleDelta: " << temp.sampleDelta << std::endl;
    }
    return r.str();

  }
  
  CTTS::CTTS(){
    memcpy(data + 4, "ctts", 4);
  }
  
  void CTTS::setEntryCount(uint32_t newEntryCount){
    setInt32(newEntryCount, 4);
  }
  
  uint32_t CTTS::getEntryCount(){
    return getInt32(4);
  }
  
  void CTTS::setCTTSEntry(CTTSEntry newCTTSEntry, uint32_t no){
    if(no + 1 > getEntryCount()){
      for (unsigned int i = getEntryCount(); i < no; i++){
        setInt64(0, 8 + (i * 8));//filling up undefined entries of 64 bits
      }
    }
    setInt32(newCTTSEntry.sampleCount, 8 + no * 8);
    setInt32(newCTTSEntry.sampleOffset, 8 + (no * 8) + 4);
  }
  
  CTTSEntry CTTS::getCTTSEntry(uint32_t no){
    static CTTSEntry retval;
    if (no >= getEntryCount()){
      static CTTSEntry inval;
      return inval;
    }
    retval.sampleCount = getInt32(8 + (no * 8));
    retval.sampleOffset = getInt32(8 + (no * 8) + 4);
    return retval;
  }
  
  std::string CTTS::toPrettyString(uint32_t indent){
    std::stringstream r;
    r << std::string(indent, ' ') << "[stts] Sample Table Box (" << boxedSize() << ")" << std::endl;
    r << fullBox::toPrettyString(indent);
    r << std::string(indent + 1, ' ') << "EntryCount: " << getEntryCount() << std::endl;
    for (unsigned int i = 0; i < getEntryCount(); i++){
      static CTTSEntry temp;
      temp = getCTTSEntry(i);
      r << std::string(indent + 1, ' ') << "Entry[" << i <<"]:"<< std::endl;
      r << std::string(indent + 2, ' ') << "SampleCount: " << temp.sampleCount << std::endl;
      r << std::string(indent + 2, ' ') << "SampleOffset: " << temp.sampleOffset << std::endl;
    }
    return r.str();

  }

  STSC::STSC(char v, uint32_t f){
    memcpy(data + 4, "stsc", 4);
    setVersion(v);
    setFlags(f);
    setEntryCount(0);
  }
  
  void STSC::setEntryCount(uint32_t newEntryCount){
    setInt32(newEntryCount, 4);
  }
  
  uint32_t STSC::getEntryCount(){
    return getInt32(4);
  }
  
  void STSC::setSTSCEntry(STSCEntry newSTSCEntry, uint32_t no){
    if(no + 1 > getEntryCount()){
      setEntryCount(no+1);
      for (unsigned int i = getEntryCount(); i < no; i++){
        setInt64(0, 8 + (i * 12));//filling up undefined entries of 64 bits
        setInt32(0, 8 + (i * 12) + 8);
      }
    }
    setInt32(newSTSCEntry.firstChunk, 8 + no * 12);
    setInt32(newSTSCEntry.samplesPerChunk, 8 + (no * 12) + 4);
    setInt32(newSTSCEntry.sampleDescriptionIndex, 8 + (no * 12) + 8);
  }
  
  STSCEntry STSC::getSTSCEntry(uint32_t no){
    static STSCEntry retval;
    if (no >= getEntryCount()){
      static STSCEntry inval;
      return inval;
    }
    retval.firstChunk = getInt32(8 + (no * 12));
    retval.samplesPerChunk = getInt32(8 + (no * 12) + 4);
    retval.sampleDescriptionIndex = getInt32(8 + (no * 12) + 8);
    return retval;
  }
  
  std::string STSC::toPrettyString(uint32_t indent){
    std::stringstream r;
    r << std::string(indent, ' ') << "[stsc] Sample To Chunk Box (" << boxedSize() << ")" << std::endl;
    r << fullBox::toPrettyString(indent);
    r << std::string(indent + 1, ' ') << "EntryCount: " << getEntryCount() << std::endl;
    for (unsigned int i = 0; i < getEntryCount(); i++){
      static STSCEntry temp;
      temp = getSTSCEntry(i);
      r << std::string(indent + 1, ' ') << "Entry[" << i <<"]:"<< std::endl;
      r << std::string(indent + 2, ' ') << "FirstChunk: " << temp.firstChunk << std::endl;
      r << std::string(indent + 2, ' ') << "SamplesPerChunk: " << temp.samplesPerChunk << std::endl;
      r << std::string(indent + 2, ' ') << "SampleDescriptionIndex: " << temp.sampleDescriptionIndex << std::endl;
    }
    return r.str();
  }
  
  STCO::STCO(char v, uint32_t f){
    memcpy(data + 4, "stco", 4);
    setVersion(v);
    setFlags(f);
    setEntryCount(0);
  }
  
  void STCO::setEntryCount(uint32_t newEntryCount){
    setInt32(newEntryCount, 4);
  }
  
  uint32_t STCO::getEntryCount(){
    return getInt32(4);
  }
  
  void STCO::setChunkOffset(uint32_t newChunkOffset, uint32_t no){
    if (no + 1 > getEntryCount()){
      for (unsigned int i = getEntryCount(); i < no; i++){
        setInt32(0, 8 + i * 4);//filling undefined entries
      }
      setEntryCount(no+1);
    }
    setInt32(newChunkOffset, 8 + no * 4);  
  }
  
  uint32_t STCO::getChunkOffset(uint32_t no){
    if (no >= getEntryCount()){
      return 0;
    }
    return getInt32(8 + no * 4);
  }
  
  std::string STCO::toPrettyString(uint32_t indent){
    std::stringstream r;
    r << std::string(indent, ' ') << "[stco] Chunk Offset Box (" << boxedSize() << ")" << std::endl;
    r << fullBox::toPrettyString(indent);
    r << std::string(indent + 1, ' ') << "EntryCount: " << getEntryCount() << std::endl;
    for (unsigned int i = 0; i < getEntryCount(); i++){
      r << std::string(indent + 1, ' ') << "ChunkOffset[" << i <<"]: " << getChunkOffset(i) << std::endl;
    }
    return r.str();
  }

  STSZ::STSZ(char v, uint32_t f){
    memcpy(data + 4, "stsz", 4);
    setVersion(v);
    setFlags(f);
    setSampleCount(0);
  }

  void STSZ::setSampleSize(uint32_t newSampleSize){
    setInt32(newSampleSize, 4);
  }
  
  uint32_t STSZ::getSampleSize(){
    return getInt32(4);
  }
  
  void STSZ::setSampleCount(uint32_t newSampleCount){
    setInt32(newSampleCount, 8);
  }
  
  uint32_t STSZ::getSampleCount(){
    return getInt32(8);
  }
  
  void STSZ::setEntrySize(uint32_t newEntrySize, uint32_t no){
    if (no + 1 > getSampleCount()){
      setSampleCount(no + 1);
      for (unsigned int i = getSampleCount(); i < no; i++){
        setInt32(0, 12 + i * 4);//filling undefined entries
      }
    }
    setInt32(newEntrySize, 12 + no * 4);
  }
  
  uint32_t STSZ::getEntrySize(uint32_t no){
    if (no >= getSampleCount()){
      return 0;
    }
    return getInt32(12 + no * 4);
  }
  
  std::string STSZ::toPrettyString(uint32_t indent){
    std::stringstream r;
    r << std::string(indent, ' ') << "[stsz] Sample Size Box (" << boxedSize() << ")" << std::endl;
    r << fullBox::toPrettyString(indent);
    r << std::string(indent + 1, ' ') << "SampleSize: " << getSampleSize() << std::endl;
    r << std::string(indent + 1, ' ') << "SampleCount: " << getSampleCount() << std::endl;
    for (unsigned int i = 0; i < getSampleCount(); i++){
      r << std::string(indent + 1, ' ') << "EntrySize[" << i <<"]: " << getEntrySize(i) << std::endl;
    }
    return r.str();
  }

  SampleEntry::SampleEntry(){
    memcpy(data + 4, "erro", 4);
  }
  
  void SampleEntry::setDataReferenceIndex(uint16_t newDataReferenceIndex){
    setInt16(newDataReferenceIndex, 6);
  }
  
  uint16_t SampleEntry::getDataReferenceIndex(){
    return getInt16(6);
  }
  
  std::string SampleEntry::toPrettySampleString(uint32_t indent){
    std::stringstream r;
    r << std::string(indent + 1, ' ') << "DataReferenceIndex: " << getDataReferenceIndex() << std::endl;
    return r.str();  
  }

  CLAP::CLAP(){
    memcpy(data + 4, "clap", 4);
    setHorizOffN(0);
    setHorizOffD(0);
    setVertOffN(0);
    setVertOffD(0);
  }
  
  void CLAP::setCleanApertureWidthN(uint32_t newVal){
    setInt32(newVal,0);  
  }
  
  uint32_t CLAP::getCleanApertureWidthN(){
    return getInt32(0);
  }
  
  void CLAP::setCleanApertureWidthD(uint32_t newVal){
    setInt32(newVal,4);
  }
  
  uint32_t CLAP::getCleanApertureWidthD(){
    return getInt32(4);
  }
  
  void CLAP::setCleanApertureHeightN(uint32_t newVal){
    setInt32(newVal,8);
  }
  
  uint32_t CLAP::getCleanApertureHeightN(){
    return getInt32(8);
  }
  
  void CLAP::setCleanApertureHeightD(uint32_t newVal){
    setInt32(newVal, 12);
  }
  
  uint32_t CLAP::getCleanApertureHeightD(){
    return getInt32(12);
  }
  
  void CLAP::setHorizOffN(uint32_t newVal){
    setInt32(newVal, 16);
  }
  
  uint32_t CLAP::getHorizOffN(){
    return getInt32(16);
  }
  
  void CLAP::setHorizOffD(uint32_t newVal){
    setInt32(newVal, 20);
  }
  
  uint32_t CLAP::getHorizOffD(){
    return getInt32(20);
  }
  
  void CLAP::setVertOffN(uint32_t newVal){
    setInt32(newVal, 24);
  }
  
  uint32_t CLAP::getVertOffN(){
    return getInt32(24);
  }
  
  void CLAP::setVertOffD(uint32_t newVal){
    setInt32(newVal, 28);
  }
  
  uint32_t CLAP::getVertOffD(){
    return getInt32(32);
  }
  
  std::string CLAP::toPrettyString(uint32_t indent){
    std::stringstream r;
    r << std::string(indent, ' ') << "[clap] Clean Aperture Box (" << boxedSize() << ")" << std::endl;
    r << std::string(indent + 1, ' ') << "CleanApertureWidthN: " << getCleanApertureWidthN() << std::endl;
    r << std::string(indent + 1, ' ') << "CleanApertureWidthD: " << getCleanApertureWidthD() << std::endl;
    r << std::string(indent + 1, ' ') << "CleanApertureHeightN: " << getCleanApertureHeightN() << std::endl;
    r << std::string(indent + 1, ' ') << "CleanApertureHeightD: " << getCleanApertureHeightD() << std::endl;
    r << std::string(indent + 1, ' ') << "HorizOffN: " << getHorizOffN() << std::endl;
    r << std::string(indent + 1, ' ') << "HorizOffD: " << getHorizOffD() << std::endl;
    r << std::string(indent + 1, ' ') << "VertOffN: " << getVertOffN() << std::endl;
    r << std::string(indent + 1, ' ') << "VertOffD: " << getVertOffD() << std::endl;
    return r.str();
  }
  
  PASP::PASP(){
    memcpy(data + 4, "pasp", 4);
  }
  
  void PASP::setHSpacing(uint32_t newVal){
    setInt32(newVal, 0);
  }
  
  uint32_t PASP::getHSpacing(){
    return getInt32(0);
  }
  
  void PASP::setVSpacing(uint32_t newVal){
    setInt32(newVal, 4);
  }
  
  uint32_t PASP::getVSpacing(){
    return getInt32(4);
  }
  
  std::string PASP::toPrettyString(uint32_t indent){
    std::stringstream r;
    r << std::string(indent, ' ') << "[pasp] Pixel Aspect Ratio Box (" << boxedSize() << ")" << std::endl;
    r << std::string(indent + 1, ' ') << "HSpacing: " << getHSpacing() << std::endl;
    r << std::string(indent + 1, ' ') << "VSpacing: " << getVSpacing() << std::endl;
    return r.str();
  }

  VisualSampleEntry::VisualSampleEntry(){
    memcpy(data + 4, "erro", 4);
    setHorizResolution(0x00480000);
    setVertResolution(0x00480000);
    setFrameCount(1);
    setCompressorName("");
    setDepth(0x0018);
  }
  
  void VisualSampleEntry::setCodec(const char* newCodec){
    memcpy(data + 4, newCodec, 4);
  }
  
  void VisualSampleEntry::setWidth(uint16_t newWidth){
    setInt16(newWidth,24);
  }
  
  uint16_t VisualSampleEntry::getWidth(){
    return getInt16(24);
  }
  
  void VisualSampleEntry::setHeight(uint16_t newHeight){
    setInt16(newHeight, 26);
  }
  
  uint16_t VisualSampleEntry::getHeight(){
    return getInt16(26);
  }
  
  void VisualSampleEntry::setHorizResolution (uint32_t newHorizResolution){
    setInt32(newHorizResolution, 28);
  }
  
  uint32_t VisualSampleEntry::getHorizResolution(){
    return getInt32(28);
  }
  
  void VisualSampleEntry::setVertResolution (uint32_t newVertResolution){
    setInt32(newVertResolution,32);
  }
  
  uint32_t VisualSampleEntry::getVertResolution(){
    return getInt32(32);
  }
  
  void VisualSampleEntry::setFrameCount(uint16_t newFrameCount){
    setInt16(newFrameCount, 40);
  }
  
  uint16_t VisualSampleEntry::getFrameCount(){
    return getInt16(40);
  }

  void VisualSampleEntry::setCompressorName(std::string newCompressorName){
    newCompressorName.resize(32, ' ');
    setString(newCompressorName,42);
  }
  
  std::string VisualSampleEntry::getCompressorName(){
    return getString(42);
  }

  void VisualSampleEntry::setDepth(uint16_t newDepth){
    setInt16(newDepth, 74);
  }
  
  uint16_t VisualSampleEntry::getDepth(){
    return getInt16(74);
  }

  void VisualSampleEntry::setCLAP(Box& clap){
    setBox(clap,78);
  }

  Box & VisualSampleEntry::getCLAP(){
    static Box ret = Box((char*)"\000\000\000\010erro", false);
    if(payloadSize() <84){//if the EntryBox is not big enough to hold a CLAP/PASP
      return ret;
    }
    ret = getBox(78);
    return ret;
  }
  
  Box & VisualSampleEntry::getPASP(){
    static Box ret = Box((char*)"\000\000\000\010erro", false);
    if(payloadSize() <84){//if the EntryBox is not big enough to hold a CLAP/PASP
      return ret;
    }
    if (payloadSize() < 78 + getBoxLen(78) + 8){
      return ret;
    }else{
      return getBox(78+getBoxLen(78));
    }
    
  }
  
  std::string VisualSampleEntry::toPrettyVisualString(uint32_t indent, std::string name){
    std::stringstream r;
    r << std::string(indent, ' ') << name << " (" << boxedSize() << ")" << std::endl;
    r << toPrettySampleString(indent);
    r << std::string(indent + 1, ' ') << "Width: " << getWidth() << std::endl;
    r << std::string(indent + 1, ' ') << "Height: " << getHeight() << std::endl;
    r << std::string(indent + 1, ' ') << "HorizResolution: " << getHorizResolution() << std::endl;
    r << std::string(indent + 1, ' ') << "VertResolution: " << getVertResolution() << std::endl;
    r << std::string(indent + 1, ' ') << "FrameCount: " << getFrameCount() << std::endl;
    r << std::string(indent + 1, ' ') << "CompressorName: " << getCompressorName() << std::endl;
    r << std::string(indent + 1, ' ') << "Depth: " << getDepth() << std::endl;
    if (!getCLAP().isType("erro")){
      r << getCLAP().toPrettyString(indent+1);
    }
    if (!getPASP().isType("erro")){
      r << getPASP().toPrettyString(indent+1);
    }
    return r.str();
  }

  AudioSampleEntry::AudioSampleEntry(){
    memcpy(data + 4, "erro", 4);
    setChannelCount(2);
    setSampleSize(16);
    setSampleRate(44100);
  }
  
  uint16_t AudioSampleEntry::toAACInit(){
    uint16_t result = 0;
    result |= (2 & 0x1F) << 11;
    result |= (getSampleRate() & 0x0F) << 7;
    result |= (getChannelCount() & 0x0F) << 3;
    return result;
  }

  void AudioSampleEntry::setCodec(const char* newCodec){
    memcpy(data + 4, newCodec, 4);
  }
  
  void AudioSampleEntry::setChannelCount(uint16_t newChannelCount){
    setInt16(newChannelCount,16);
  }
  
  uint16_t AudioSampleEntry::getChannelCount(){
    return getInt16(16);
  }
  
  void AudioSampleEntry::setSampleSize(uint16_t newSampleSize){
    setInt16(newSampleSize,18);
  }
  
  uint16_t AudioSampleEntry::getSampleSize(){
    return getInt16(18);
  }
  
  void AudioSampleEntry::setPreDefined(uint16_t newPreDefined){
    setInt16(newPreDefined,20);
  }
  
  uint16_t AudioSampleEntry::getPreDefined(){
    return getInt16(20);
  }
  
  void AudioSampleEntry::setSampleRate(uint32_t newSampleRate){
    setInt32(newSampleRate << 16, 24);
  }
  
  uint32_t AudioSampleEntry::getSampleRate(){
    return getInt32(24) >> 16;
  }
  
  void AudioSampleEntry::setCodecBox(Box& newBox){
    setBox(newBox, 28);
  }
  
  Box & AudioSampleEntry::getCodecBox(){
    return getBox(28);
  }
  
  std::string AudioSampleEntry::toPrettyAudioString(uint32_t indent, std::string name){
    std::stringstream r;
    r << std::string(indent, ' ') << name << " (" << boxedSize() << ")" << std::endl;
    r << toPrettySampleString(indent);
    r << std::string(indent + 1, ' ') << "ChannelCount: " << getChannelCount() << std::endl;
    r << std::string(indent + 1, ' ') << "SampleSize: " << getSampleSize() << std::endl;
    r << std::string(indent + 1, ' ') << "PreDefined: " << getPreDefined() << std::endl;
    r << std::string(indent + 1, ' ') << "SampleRate: " << getSampleRate() << std::endl;
    r << getCodecBox().toPrettyString(indent + 1) << std::endl;
    return r.str();
  }

  MP4A::MP4A(){
    memcpy(data + 4, "mp4a", 4);
  }
  
  std::string MP4A::toPrettyString(uint32_t indent){
    return toPrettyAudioString(indent, "[mp4a] MPEG-4 Audio");
  }

  AAC::AAC(){
    memcpy(data + 4, "aac ", 4);
  }
  
  std::string AAC::toPrettyString(uint32_t indent){
    return toPrettyAudioString(indent, "[aac ] Advanced Audio Codec");
  }

  AVC1::AVC1(){
    memcpy(data + 4, "avc1", 4);
  }
  
  std::string AVC1::toPrettyString(uint32_t indent){
    return toPrettyVisualString(indent, "[avc1] Advanced Video Codec 1");
  }

  H264::H264(){
    memcpy(data + 4, "h264", 4);
  }
  
  std::string H264::toPrettyString(uint32_t indent){
    return toPrettyVisualString(indent, "[h264] H.264/MPEG-4 AVC");
  }

  STSD::STSD(char v, uint32_t f){
    memcpy(data + 4, "stsd", 4);
    setVersion(v);
    setFlags(f);
    setEntryCount(0);
  }

  void STSD::setEntryCount (uint32_t newEntryCount){
    setInt32(newEntryCount, 4);
  }
  
  uint32_t STSD::getEntryCount(){
    return getInt32(4);
  }
  
  void STSD::setEntry(Box & newContent, uint32_t no){
  int tempLoc = 8;
    unsigned int entryCount = getEntryCount();
    for (unsigned int i = 0; i < no; i++){
      if (i < entryCount){
        tempLoc += getBoxLen(tempLoc);
      }else{
        if ( !reserve(tempLoc, 0, (no - entryCount) * 8)){
          return;
        }
        memset(data + tempLoc, 0, (no - entryCount) * 8);
        tempLoc += (no - entryCount) * 8;
        break;
      }
    }
    setBox(newContent, tempLoc);
    if (getEntryCount() < no+1){
      setEntryCount(no+1);
    }
  }
  
  Box & STSD::getEntry(uint32_t no){
    static Box ret = Box((char*)"\000\000\000\010erro", false);
    if (no > getEntryCount()){
      return ret;
    }
    unsigned int i = 0;
    int tempLoc = 8;
    while (i < no){
      tempLoc += getBoxLen(tempLoc);
      i++;
    }
    return getBox(tempLoc);
  }

  std::string STSD::toPrettyString(uint32_t indent){
    std::stringstream r;
    r << std::string(indent, ' ') << "[stsd] Sample Description Box (" << boxedSize() << ")" << std::endl;
    r << fullBox::toPrettyString(indent);
    r << std::string(indent + 1, ' ') << "EntrySize: " << getEntryCount() << std::endl;
    for (unsigned int i = 0; i < getEntryCount(); i++){
      Box curBox = Box(getEntry(i).asBox(), false);
      r << curBox.toPrettyString(indent + 1);
    }
    return r.str();
  }

  EDTS::EDTS(){
    memcpy(data + 4, "edts", 4);
  }

  UDTA::UDTA(){
    memcpy(data + 4, "udta", 4);
  }

  STSS::STSS(char v, uint32_t f){
    memcpy(data + 4, "stss", 4);
    setVersion(v);
    setFlags(f);
    setEntryCount(0);
  }
  
  void STSS::setEntryCount(uint32_t newVal){
    setInt32(newVal, 4);
  }
  
  uint32_t STSS::getEntryCount(){
    return getInt32(4);
  }
  
  void STSS::setSampleNumber(uint32_t newVal, uint32_t index){
    if (index >= getEntryCount()){
      setEntryCount(index + 1);
    }
    setInt32(newVal, 8 + (index * 4));
  }
  
  uint32_t STSS::getSampleNumber(uint32_t index){
    if (index >= getEntryCount()){
      return 0;
    }
    return getInt32(8 + (index * 4));
  }
  
  std::string STSS::toPrettyString(uint32_t indent){
    std::stringstream r;
    r << std::string(indent, ' ') << "[stss] Sync Sample Box (" << boxedSize() << ")" << std::endl;
    r << fullBox::toPrettyString(indent);
    r << std::string(indent + 1, ' ') << "EntryCount: " << getEntryCount() << std::endl;
    for (unsigned int i = 0; i < getEntryCount(); i++){
      r << std::string(indent + 1, ' ') << "SampleNumber[" << i <<"] : " << getSampleNumber(i) << std::endl;
    }
    return r.str();
  }

  META::META(){
    memcpy(data + 4, "meta", 4);
  }
  
  std::string META::toPrettyString(uint32_t indent){
    return toPrettyCFBString(indent, "[meta] Meta Box");
  }

  ELST::ELST(){
    memcpy(data + 4, "elst", 4);
  }
  
  void ELST::setSegmentDuration(uint64_t newVal){
    if (getVersion() == 1){
      setInt64(newVal, 4);
    }else{
      setInt32(newVal, 4);
    }
  }
  
  uint64_t ELST::getSegmentDuration(){
    if (getVersion() == 1){
      return getInt64(4);
    }else{
      return getInt32(4);
    }
  }
  
  void ELST::setMediaTime(uint64_t newVal){
    if (getVersion() == 1){
      setInt64(newVal, 12);
    }else{
      setInt32(newVal, 8);
    }
  }
  
  uint64_t ELST::getMediaTime(){
    if (getVersion() == 1){
      return getInt64(12);
    }else{
      return getInt32(8);
    }
  }
  
  void ELST::setMediaRateInteger(uint16_t newVal){
    if (getVersion() == 1){
      setInt16(newVal, 20);
    }else{
      setInt16(newVal, 12);
    }
  }
  
  uint16_t ELST::getMediaRateInteger(){
    if (getVersion() == 1){
      return getInt16(20);
    }else{
      return getInt16(12);
    }
  }
  
  void ELST::setMediaRateFraction(uint16_t newVal){
    if (getVersion() == 1){
      setInt16(newVal, 22);
    }else{
      setInt16(newVal, 14);
    }
  }
  
  uint16_t ELST::getMediaRateFraction(){
    if (getVersion() == 1){
      return getInt16(22);
    }else{
      return getInt16(14);
    }
  }
  
  std::string ELST::toPrettyString(uint32_t indent){
    std::stringstream r;
    r << std::string(indent, ' ') << "[elst] Edit List Box (" << boxedSize() << ")" << std::endl;
    r << fullBox::toPrettyString(indent);
    r << std::string(indent + 1, ' ') << "SegmentDuration: " << getSegmentDuration() << std::endl;
    r << std::string(indent + 1, ' ') << "MediaTime: " << getMediaTime() << std::endl;
    r << std::string(indent + 1, ' ') << "MediaRateInteger: " << getMediaRateInteger() << std::endl;
    r << std::string(indent + 1, ' ') << "MediaRateFraction: " << getMediaRateFraction() << std::endl;
    return r.str();
  }
}