68 lines
1.8 KiB
C++
68 lines
1.8 KiB
C++
#include "box.cpp"
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#include <vector>
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struct trun_sampleinformationstructure {
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uint32_t SampleDuration;
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uint32_t SampleSize;
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};
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class Box_trun {
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public:
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Box_trun( );
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~Box_trun();
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Box * GetBox();
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void SetDataOffset( uint32_t Offset = 0 );
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void AddSampleInformation( uint32_t SampleDuration = 0, uint32_t SampleSize = 0, uint32_t Offset = 0 );
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void WriteContent( );
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private:
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void SetDefaults( );
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bool setSampleDuration;
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bool setSampleSize;
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uint32_t curDataOffset;
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std::vector<trun_sampleinformationstructure> SampleInfo;
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Box * Container;
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};//Box_ftyp Class
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Box_trun::Box_trun( ) {
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Container = new Box( 0x74666864 );
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SetDefaults( );
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}
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Box_trun::~Box_trun() {
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delete Container;
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}
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Box * Box_trun::GetBox() {
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return Container;
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}
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void Box_trun::SetDataOffset( uint32_t Offset ) {
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curDataOffset = Offset;
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}
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void Box_trun::WriteContent( ) {
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uint32_t curoffset;
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uint32_t flags = 0 & ( curDataOffset ? 0x1 : 0 ) & ( setSampleDuration ? 0x100 : 0 ) & ( setSampleSize ? 0x200 : 0 );
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Container->SetPayload((uint32_t)4,Box::uint32_to_uint8(flags));
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Container->SetPayload((uint32_t)4,Box::uint32_to_uint8(SampleInfo.size()),4);
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curoffset = 8;
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if( curDataOffset ) {
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Container->SetPayload((uint32_t)4,Box::uint32_to_uint8(curDataOffset),curoffset);
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curoffset += 4;
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}
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for( uint32_t i = 0; i < SampleInfo.size(); i++ ) {
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if( setSampleDuration ) {
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Container->SetPayload((uint32_t)4,Box::uint32_to_uint8(SampleInfo[i].SampleDuration),curoffset);
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curoffset += 4;
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}
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if( setSampleSize ) {
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Container->SetPayload((uint32_t)4,Box::uint32_to_uint8(SampleInfo[i].SampleSize),curoffset);
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curoffset += 4;
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}
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}
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}
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void Box_trun::SetDefaults( ) {
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setSampleDuration = false;
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setSampleSize = false;
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}
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