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ASRT box finished

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This commit is contained in:
Erik Zandvliet 2011-02-08 11:58:34 +01:00
parent 0ea566e462
commit 3ae7eb7c82
4 changed files with 89 additions and 0 deletions
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6
MP4/box.cpp
View file

@ -94,6 +94,12 @@ uint8_t * Box::uint16_to_uint8( uint16_t data ) {
return temp;
}
uint8_t * Box::uint8_to_uint8( uint8_t data ) {
uint8_t * temp = new uint8_t[1];
temp[0] = data;
return temp;
}
BoxHeader Box::GetHeader( ) {
return header;
}

1
MP4/box.h
View file

@ -24,6 +24,7 @@ class Box {
static uint8_t * uint32_to_uint8( uint32_t data );
static uint8_t * uint16_to_uint8( uint16_t data );
static uint8_t * uint8_to_uint8( uint8_t data );
BoxHeader GetHeader( );
void ResetPayload( );
private:

57
MP4/box_asrt.cpp Normal file
View file

@ -0,0 +1,57 @@
#include "box_asrt.h"
Box_asrt::Box_asrt( ) {
Container = new Box( 0x61737274 );
}
Box_asrt::~Box_asrt() {
delete Container;
}
Box * Box_asrt::GetBox() {
return Container;
}
void Box_asrt::SetUpdate( bool Update ) {
isUpdate = Update;
}
void Box_asrt::AddQualityEntry( std::string Quality, uint32_t Offset ) {
if(Offset >= QualitySegmentUrlModifiers.size()) {
QualitySegmentUrlModifiers.resize(Offset+1);
}
QualitySegmentUrlModifiers[Offset] = Quality;
}
void Box_asrt::AddSegmentRunEntry( uint32_t FirstSegment, uint32_t FragmentsPerSegment, uint32_t Offset ) {
if( Offset >= SegmentRunEntryTable.size() ) {
SegmentRunEntryTable.resize(Offset+1);
}
SegmentRunEntryTable[Offset].FirstSegment = FirstSegment;
SegmentRunEntryTable[Offset].FragmentsPerSegment = FragmentsPerSegment;
}
void Box_asrt::SetDefaults( ) {
SetUpdate( );
}
void Box_asrt::WriteContent( ) {
std::string serializedQualities = "";
Container->ResetPayload( );
for( uint32_t i = 0; i < Qualities.size(); i++ ) {
serializedQualities.append(Qualities[i].QualityModifier.c_str());
serializedQualities += '\0';
}
uint32_t OffsetSegmentRunEntryCount = 8 + serializedQualities.size();
for( uint32_t i = 0; i < SegmentRunEntryTable.size(); i ++ ) {
Container->SetPayload((uint32_t)4,Box::uint32_to_uint8(SegmentRunEntryTable[i].FragmentsPerSegment),(8*i)+OffsetSegmentRunEntryCount+8);
Container->SetPayload((uint32_t)4,Box::uint32_to_uint8(SegmentRunEntryTable[i].FirstSegment),(8*i)+OffsetSegmentRunEntryCount+4);
}
Container->SetPayload((uint32_t)4,Box::uint32_to_uint8(SegmentRunEntryTable.size()),OffsetSegmentRunEntryCount);
Container->SetPayload((uint32_t)serializedQualities.size(),(uint8_t*)serializedQualities.c_str(),5);
Container->SetPayload((uint32_t)1,Box::uint8_to_uint8(QualitySegmentUrlModifiers.size()),4);
Container->SetPayload((uint32_t)4,Box::uint32_to_uint8((isUpdate ? 1 : 0)));
}

25
MP4/box_asrt.h Normal file
View file

@ -0,0 +1,25 @@
#include "box.h"
#include <string>
#include <vector>
struct asrt_segmentrunentry {
uint32_t FirstSegment;
uint32_t FragmentsPerSegment;
};//abst_qualityentry
class Box_asrt {
public:
Box_asrt( );
~Box_asrt();
Box * GetBox();
void SetUpdate( bool Update = false );
void AddQualityEntry( std::string Quality = "", uint32_t Offset = 0 );
void AddSegmentRunEntry( uint32_t FirstSegment = 0, uint32_t FragmentsPerSegment = 100, uint32_t Offset = 0 );
void WriteContent( );
private:
void SetDefaults( );
bool isUpdate;
std::vector<std::string> QualitySegmentUrlModifiers;
std::vector<asrt_segmentrunentry> SegmentRunEntryTable;
Box * Container;
};//Box_ftyp Class