396 lines
16 KiB
C++
396 lines
16 KiB
C++
#pragma once
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#include <stdint.h>
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#include <cstdlib>
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#include <cstdio>
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#include <cstring>
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#include <cmath>
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#include <algorithm>
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#include <string>
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#include <vector>
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struct afrt_fragmentrunentry {
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uint32_t FirstFragment;
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uint32_t FirstFragmentTimestamp_Upperhalf; //write as uint64_t
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uint32_t FirstFragmentTimestamp; //write as uint64_t
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uint32_t FragmentDuration;
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uint8_t DiscontinuityIndicator;//if FragmentDuration == 0
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};//afrt_fragmentrunentry
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struct BoxHeader {
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uint32_t TotalSize;
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uint32_t BoxType;
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};//BoxHeader struct
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class Box {
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public:
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Box();
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Box(uint32_t BoxType);
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Box(uint8_t * Content, uint32_t length);
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~Box();
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void SetBoxType(uint32_t BoxType);
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uint32_t GetBoxType();
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void SetPayload(uint32_t Size, uint8_t * Data, uint32_t Index = 0);
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uint32_t GetPayloadSize();
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uint8_t * GetPayload();
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uint8_t * GetPayload(uint32_t Index, uint32_t & Size);
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uint32_t GetBoxedDataSize();
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uint8_t * GetBoxedData( );
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static uint8_t * uint32_to_uint8( uint32_t data );
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static uint8_t * uint16_to_uint8( uint16_t data );
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static uint8_t * uint8_to_uint8( uint8_t data );
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BoxHeader GetHeader( );
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void ResetPayload( );
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void Parse( std::string PrintOffset = "" );
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private:
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BoxHeader header;
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uint8_t * Payload;
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uint32_t PayloadSize;
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};//Box Class
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Box::Box() {
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Payload = NULL;
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PayloadSize = 0;
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}
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Box::Box(uint32_t BoxType) {
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header.BoxType = BoxType;
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Payload = NULL;
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PayloadSize = 0;
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}
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Box::Box(uint8_t * Content, uint32_t length) {
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header.TotalSize = (Content[0] << 24) + (Content[1] << 16) + (Content[2] << 8) + (Content[3]);
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if(header.TotalSize != length) { std::cerr << "Warning: length sizes differ\n"; }
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header.BoxType = (Content[4] << 24) + (Content[5] << 16) + (Content[6] << 8) + (Content[7]);
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std::cerr << "Created new box with type \""
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<< (char)(header.BoxType >> 24)
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<< (char)((header.BoxType << 8) >> 24)
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<< (char)((header.BoxType << 16) >> 24)
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<< (char)((header.BoxType << 24) >> 24)
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<< "\"\n";
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PayloadSize = length-8;
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Payload = new uint8_t[PayloadSize];
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memcpy( Payload, &Content[8], PayloadSize );
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}
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Box::~Box() {
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}
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void Box::SetBoxType(uint32_t BoxType) {
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header.BoxType = BoxType;
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}
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uint32_t Box::GetBoxType() {
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return header.BoxType;
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}
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void Box::SetPayload(uint32_t Size, uint8_t * Data, uint32_t Index) {
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uint8_t * tempchar = NULL;
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if ( Index + Size > PayloadSize ) {
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if ( Payload ) {
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tempchar = new uint8_t[PayloadSize];
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memcpy( tempchar, Payload, PayloadSize );
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delete Payload;
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}
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PayloadSize = Index + Size;
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Payload = new uint8_t[PayloadSize];
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if( tempchar ) {
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memcpy( Payload, tempchar, Index );
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} else {
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for(uint32_t i = 0; i < Index; i++) { Payload[i] = 0; }
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}
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memcpy( &Payload[Index], Data, Size );
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header.TotalSize = PayloadSize + 8;
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if( tempchar ) {
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delete tempchar;
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}
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} else {
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memcpy( &Payload[Index], Data, Size );
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}
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}
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uint32_t Box::GetPayloadSize() {
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return PayloadSize;
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}
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uint8_t * Box::GetPayload() {
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uint8_t * temp = new uint8_t[PayloadSize];
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memcpy( temp, Payload, PayloadSize );
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return temp;
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}
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uint8_t * Box::GetPayload(uint32_t Index, uint32_t & Size) {
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if(Index > PayloadSize) { return NULL; }
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if(Index + Size > PayloadSize) { Size = PayloadSize - Index; }
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uint8_t * temp = new uint8_t[Size - Index];
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memcpy( temp, &Payload[Index], Size - Index );
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return temp;
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}
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uint32_t Box::GetBoxedDataSize() {
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return header.TotalSize;
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}
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uint8_t * Box::GetBoxedData( ) {
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uint8_t * temp = new uint8_t[header.TotalSize];
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memcpy( temp, uint32_to_uint8(header.TotalSize), 4 );
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memcpy( &temp[4], uint32_to_uint8(header.BoxType), 4 );
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memcpy( &temp[8], Payload, PayloadSize );
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return temp;
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}
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uint8_t * Box::uint32_to_uint8( uint32_t data ) {
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uint8_t * temp = new uint8_t[4];
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temp[0] = (data >> 24) & 0x000000FF;
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temp[1] = (data >> 16 ) & 0x000000FF;
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temp[2] = (data >> 8 ) & 0x000000FF;
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temp[3] = (data ) & 0x000000FF;
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return temp;
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}
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uint8_t * Box::uint16_to_uint8( uint16_t data ) {
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uint8_t * temp = new uint8_t[2];
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temp[0] = (data >> 8) & 0x00FF;
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temp[1] = (data ) & 0x00FF;
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return temp;
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}
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uint8_t * Box::uint8_to_uint8( uint8_t data ) {
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uint8_t * temp = new uint8_t[1];
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temp[0] = data;
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return temp;
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}
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BoxHeader Box::GetHeader( ) {
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return header;
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}
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void Box::ResetPayload( ) {
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header.TotalSize -= PayloadSize;
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PayloadSize = 0;
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if(Payload) {
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delete Payload;
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Payload = NULL;
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}
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}
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void Box::Parse( std::string PrintOffset ) {
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if( header.BoxType == 0x61627374 ) {
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uint8_t Version = Payload[0];
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uint32_t Flags = (Payload[1] << 16) + (Payload[2] << 8) + (Payload[3]); //uint24_t
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uint32_t BootstrapInfoVersion = (Payload[4] << 24) + (Payload[5] << 16) +(Payload[6] << 8) + (Payload[7]);
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uint8_t Profile = (Payload[8] >> 6); //uint2_t
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uint8_t Live = (( Payload[8] >> 5 ) & 0x1); //uint1_t
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uint8_t Update = (( Payload[8] >> 4 ) & 0x1); //uint1_t
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uint8_t Reserved = ( Payload[8] & 0x4); //uint4_t
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uint32_t Timescale = (Payload[9] << 24) + (Payload[10] << 16) +(Payload[11] << 8) + (Payload[12]);
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uint32_t CurrentMediaTime_Upperhalf = (Payload[13] << 24) + (Payload[14] << 16) +(Payload[15] << 8) + (Payload[16]);
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uint32_t CurrentMediaTime_Lowerhalf = (Payload[17] << 24) + (Payload[18] << 16) +(Payload[19] << 8) + (Payload[20]);
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uint32_t SmpteTimeCodeOffset_Upperhalf = (Payload[21] << 24) + (Payload[22] << 16) +(Payload[23] << 8) + (Payload[24]);
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uint32_t SmpteTimeCodeOffset_Lowerhalf = (Payload[25] << 24) + (Payload[26] << 16) +(Payload[27] << 8) + (Payload[28]);
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std::string MovieIdentifier;
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uint8_t ServerEntryCount = -1;
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std::vector<std::string> ServerEntryTable;
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uint8_t QualityEntryCount = -1;
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std::vector<std::string> QualityEntryTable;
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std::string DrmData;
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std::string MetaData;
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uint8_t SegmentRunTableCount = -1;
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std::vector<Box*> SegmentRunTableEntries;
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uint8_t FragmentRunTableCount = -1;
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std::vector<Box*> FragmentRunTableEntries;
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uint32_t CurrentOffset = 29;
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uint32_t TempSize;
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Box* TempBox;
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std::string temp;
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while( Payload[CurrentOffset] != '\0' ) { MovieIdentifier += Payload[CurrentOffset]; CurrentOffset ++; }
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CurrentOffset ++;
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ServerEntryCount = Payload[CurrentOffset];
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CurrentOffset ++;
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for( uint8_t i = 0; i < ServerEntryCount; i++ ) {
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temp = "";
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while( Payload[CurrentOffset] != '\0' ) { temp += Payload[CurrentOffset]; CurrentOffset ++; }
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ServerEntryTable.push_back(temp);
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CurrentOffset++;
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}
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QualityEntryCount = Payload[CurrentOffset];
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CurrentOffset ++;
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for( uint8_t i = 0; i < QualityEntryCount; i++ ) {
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temp = "";
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while( Payload[CurrentOffset] != '\0' ) { temp += Payload[CurrentOffset]; CurrentOffset ++; }
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QualityEntryTable.push_back(temp);
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CurrentOffset++;
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}
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while( Payload[CurrentOffset] != '\0' ) { DrmData += Payload[CurrentOffset]; CurrentOffset ++; }
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CurrentOffset ++;
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while( Payload[CurrentOffset] != '\0' ) { MetaData += Payload[CurrentOffset]; CurrentOffset ++; }
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CurrentOffset ++;
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SegmentRunTableCount = Payload[CurrentOffset];
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CurrentOffset ++;
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for( uint8_t i = 0; i < SegmentRunTableCount; i++ ) {
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TempSize = (Payload[CurrentOffset] << 24) + (Payload[CurrentOffset+1]<< 16) + (Payload[CurrentOffset+2]<< 8) + (Payload[CurrentOffset+3]);
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TempBox = new Box( &Payload[CurrentOffset], TempSize );
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SegmentRunTableEntries.push_back(TempBox);
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CurrentOffset += TempSize;
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}
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FragmentRunTableCount = Payload[CurrentOffset];
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CurrentOffset ++;
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for( uint8_t i = 0; i < FragmentRunTableCount; i++ ) {
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TempSize = (Payload[CurrentOffset] << 24) + (Payload[CurrentOffset+1]<< 16) + (Payload[CurrentOffset+2]<< 8) + (Payload[CurrentOffset+3]);
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TempBox = new Box( &Payload[CurrentOffset], TempSize );
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FragmentRunTableEntries.push_back(TempBox);
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CurrentOffset += TempSize;
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}
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std::cerr << "Box_ABST:\n";
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std::cerr << PrintOffset << " Version: " << (int)Version << "\n";
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std::cerr << PrintOffset << " Flags: " << (int)Flags << "\n";
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std::cerr << PrintOffset << " BootstrapInfoVersion: " << (int)BootstrapInfoVersion << "\n";
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std::cerr << PrintOffset << " Profile: " << (int)Profile << "\n";
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std::cerr << PrintOffset << " Live: " << (int)Live << "\n";
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std::cerr << PrintOffset << " Update: " << (int)Update << "\n";
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std::cerr << PrintOffset << " Reserved: " << (int)Reserved << "\n";
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std::cerr << PrintOffset << " Timescale: " << (int)Timescale << "\n";
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std::cerr << PrintOffset << " CurrentMediaTime: " << (int)CurrentMediaTime_Upperhalf << " " << CurrentMediaTime_Lowerhalf << "\n";
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std::cerr << PrintOffset << " SmpteTimeCodeOffset: " << (int)SmpteTimeCodeOffset_Upperhalf << " " << SmpteTimeCodeOffset_Lowerhalf << "\n";
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std::cerr << PrintOffset << " MovieIdentifier: " << MovieIdentifier << "\n";
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std::cerr << PrintOffset << " ServerEntryCount: " << (int)ServerEntryCount << "\n";
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std::cerr << PrintOffset << " ServerEntryTable:\n";
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for( uint32_t i = 0; i < ServerEntryTable.size( ); i++ ) {
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std::cerr << PrintOffset << " " << i+1 << ": " << ServerEntryTable[i] << "\n";
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}
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std::cerr << PrintOffset << " QualityEntryCount: " << (int)QualityEntryCount << "\n";
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std::cerr << PrintOffset << " QualityEntryTable:\n";
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for( uint32_t i = 0; i < QualityEntryTable.size( ); i++ ) {
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std::cerr << PrintOffset << " " << i+1 << ": " << QualityEntryTable[i] << "\n";
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}
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std::cerr << PrintOffset << " DrmData: " << DrmData << "\n";
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std::cerr << PrintOffset << " MetaData: " << MetaData << "\n";
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std::cerr << PrintOffset << " SegmentRunTableCount: " << (int)SegmentRunTableCount << "\n";
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std::cerr << PrintOffset << " SegmentRunTableEntries:\n";
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for( uint32_t i = 0; i < SegmentRunTableEntries.size( ); i++ ) {
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std::cerr << PrintOffset << " " << i+1 << ": ";
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SegmentRunTableEntries[i]->Parse( PrintOffset+" ");
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}
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std::cerr << PrintOffset << " FragmentRunTableCount: " << (int)FragmentRunTableCount << "\n";
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std::cerr << PrintOffset << " FragmentRunTableEntries:\n";
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for( uint32_t i = 0; i < FragmentRunTableEntries.size( ); i++ ) {
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std::cerr << PrintOffset << " " << i+1 << ": ";
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FragmentRunTableEntries[i]->Parse( PrintOffset+" ");
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}
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} else if ( header.BoxType == 0x61737274 ) {
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uint8_t Version = Payload[0];
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uint32_t Flags = (Payload[1] << 16) + (Payload[2] << 8) + (Payload[3]); //uint24_t
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uint8_t QualityEntryCount;
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std::vector<std::string> QualitySegmentUrlModifiers;
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uint32_t SegmentRunEntryCount;
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std::vector< std::pair<uint32_t,uint32_t> > SegmentRunEntryTable;
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uint32_t CurrentOffset = 4;
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std::string temp;
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std::pair<uint32_t,uint32_t> TempPair;
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QualityEntryCount = Payload[CurrentOffset];
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CurrentOffset ++;
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for( uint8_t i = 0; i < QualityEntryCount; i++ ) {
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temp = "";
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while( Payload[CurrentOffset] != '\0' ) { temp += Payload[CurrentOffset]; CurrentOffset ++; }
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QualitySegmentUrlModifiers.push_back(temp);
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CurrentOffset++;
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}
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SegmentRunEntryCount = (Payload[CurrentOffset] << 24) + (Payload[CurrentOffset+1] << 16) + (Payload[CurrentOffset+2]) + (Payload[CurrentOffset+3]);
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CurrentOffset +=4;
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for( uint8_t i = 0; i < SegmentRunEntryCount; i++ ) {
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TempPair.first = (Payload[CurrentOffset] << 24) + (Payload[CurrentOffset+1] << 16) + (Payload[CurrentOffset+2] << 8) + (Payload[CurrentOffset+3]);
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CurrentOffset+=4;
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TempPair.second = (Payload[CurrentOffset] << 24) + (Payload[CurrentOffset+1] << 16) + (Payload[CurrentOffset+2] << 8) + (Payload[CurrentOffset+3]);
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CurrentOffset+=4;
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SegmentRunEntryTable.push_back(TempPair);
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}
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std::cerr << "Box_ASRT:\n";
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std::cerr << PrintOffset << " Version: " << (int)Version << "\n";
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std::cerr << PrintOffset << " Flags: " << (int)Flags << "\n";
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std::cerr << PrintOffset << " QualityEntryCount: " << (int)QualityEntryCount << "\n";
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std::cerr << PrintOffset << " QualitySegmentUrlModifiers:\n";
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for( uint32_t i = 0; i < QualitySegmentUrlModifiers.size( ); i++ ) {
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std::cerr << PrintOffset << " " << i+1 << ": " << QualitySegmentUrlModifiers[i] << "\n";
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}
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std::cerr << PrintOffset << " SegmentRunEntryCount: " << (int)SegmentRunEntryCount << "\n";
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std::cerr << PrintOffset << " SegmentRunEntryTable:\n";
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for( uint32_t i = 0; i < SegmentRunEntryTable.size( ); i++ ) {
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std::cerr << PrintOffset << " " << i+1 << ":\n";
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std::cerr << PrintOffset << " FirstSegment: " << SegmentRunEntryTable[i].first << "\n";
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std::cerr << PrintOffset << " FragmentsPerSegment: " << SegmentRunEntryTable[i].second << "\n";
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}
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} else if ( header.BoxType == 0x61667274 ) {
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uint8_t Version = Payload[0];
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uint32_t Flags = (Payload[1] << 16) + (Payload[2] << 8) + (Payload[3]); //uint24_t
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uint32_t TimeScale = (Payload[4] << 24) + (Payload[5] << 16) + (Payload[6] << 8) + (Payload[7]);
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uint8_t QualityEntryCount;
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std::vector<std::string> QualitySegmentUrlModifiers;
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uint32_t FragmentRunEntryCount;
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std::vector<afrt_fragmentrunentry> FragmentRunEntryTable;
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uint32_t CurrentOffset = 8;
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std::string temp;
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afrt_fragmentrunentry TempEntry;
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QualityEntryCount = Payload[CurrentOffset];
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CurrentOffset ++;
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for( uint8_t i = 0; i < QualityEntryCount; i++ ) {
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temp = "";
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while( Payload[CurrentOffset] != '\0' ) { temp += Payload[CurrentOffset]; CurrentOffset ++; }
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QualitySegmentUrlModifiers.push_back(temp);
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CurrentOffset++;
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}
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FragmentRunEntryCount = (Payload[CurrentOffset] << 24) + (Payload[CurrentOffset+1] << 16) + (Payload[CurrentOffset+2]) + (Payload[CurrentOffset+3]);
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CurrentOffset +=4;
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for( uint8_t i = 0; i < FragmentRunEntryCount; i ++ ) {
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TempEntry.FirstFragment = (Payload[CurrentOffset] << 24) + (Payload[CurrentOffset+1] << 16) + (Payload[CurrentOffset+2]) + (Payload[CurrentOffset+3]);
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CurrentOffset +=4;
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TempEntry.FirstFragmentTimestamp_Upperhalf = (Payload[CurrentOffset] << 24) + (Payload[CurrentOffset+1] << 16) + (Payload[CurrentOffset+2]) + (Payload[CurrentOffset+3]);
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CurrentOffset +=4;
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TempEntry.FirstFragmentTimestamp = (Payload[CurrentOffset] << 24) + (Payload[CurrentOffset+1] << 16) + (Payload[CurrentOffset+2]) + (Payload[CurrentOffset+3]);
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CurrentOffset +=4;
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TempEntry.FragmentDuration = (Payload[CurrentOffset] << 24) + (Payload[CurrentOffset+1] << 16) + (Payload[CurrentOffset+2]) + (Payload[CurrentOffset+3]);
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CurrentOffset +=4;
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if( TempEntry.FragmentDuration == 0 ) {
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TempEntry.DiscontinuityIndicator = Payload[CurrentOffset];
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CurrentOffset++;
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}
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FragmentRunEntryTable.push_back(TempEntry);
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}
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std::cerr << "Box_AFRT:\n";
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std::cerr << PrintOffset << " Version: " << (int)Version << "\n";
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std::cerr << PrintOffset << " Flags: " << (int)Flags << "\n";
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std::cerr << PrintOffset << " Timescale: " << (int)TimeScale << "\n";
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std::cerr << PrintOffset << " QualityEntryCount: " << (int)QualityEntryCount << "\n";
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std::cerr << PrintOffset << " QualitySegmentUrlModifiers:\n";
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for( uint32_t i = 0; i < QualitySegmentUrlModifiers.size( ); i++ ) {
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std::cerr << PrintOffset << " " << i+1 << ": " << QualitySegmentUrlModifiers[i] << "\n";
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}
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std::cerr << PrintOffset << " FragmentRunEntryCount: " << (int)FragmentRunEntryCount << "\n";
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std::cerr << PrintOffset << " FragmentRunEntryTable:\n";
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for( uint32_t i = 0; i < FragmentRunEntryTable.size( ); i++ ) {
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std::cerr << PrintOffset << " " << i+1 << ":\n";
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std::cerr << PrintOffset << " FirstFragment: " << FragmentRunEntryTable[i].FirstFragment << "\n";
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std::cerr << PrintOffset << " FirstFragmentTimestamp: " << FragmentRunEntryTable[i].FirstFragmentTimestamp_Upperhalf << FragmentRunEntryTable[i].FirstFragmentTimestamp << "\n";
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std::cerr << PrintOffset << " FragmentDuration: " << FragmentRunEntryTable[i].FragmentDuration << "\n";
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if( FragmentRunEntryTable[i].FragmentDuration == 0 ) {
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std::cerr << PrintOffset << " DiscontinuityIndicator: " << (int)FragmentRunEntryTable[i].DiscontinuityIndicator << "\n";
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}
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}
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} else {
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std::cerr << "BoxType '"
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<< (char)(header.BoxType >> 24)
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<< (char)((header.BoxType << 8) >> 24)
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<< (char)((header.BoxType << 16) >> 24)
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<< (char)((header.BoxType << 24) >> 24)
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<< "' not yet implemented!\n";
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}
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}
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