69 lines
1.7 KiB
C++
69 lines
1.7 KiB
C++
#include "box_mdhd.h"
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Box_mdhd::Box_mdhd( ) {
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Container = new Box( 0x6D646864 );
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}
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Box_mdhd::~Box_mdhd() {
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delete Container;
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}
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Box * Box_mdhd::GetBox() {
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return Container;
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}
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void Box_mdhd::SetCreationTime( uint32_t TimeStamp ) {
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uint32_t CreationTime;
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if(!TimeStamp) {
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CreationTime = time(NULL) + SECONDS_DIFFERENCE;
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} else {
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CreationTime = TimeStamp;
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}
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Container->SetPayload((uint32_t)4,Box::uint32_to_uint8(CreationTime),4);
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}
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void Box_mdhd::SetModificationTime( uint32_t TimeStamp ) {
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uint32_t ModificationTime;
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if(!TimeStamp) {
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ModificationTime = time(NULL) + SECONDS_DIFFERENCE;
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} else {
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ModificationTime = TimeStamp;
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}
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Container->SetPayload((uint32_t)4,Box::uint32_to_uint8(ModificationTime),8);
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}
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void Box_mdhd::SetTimeScale( uint32_t TimeUnits ) {
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Container->SetPayload((uint32_t)4,Box::uint32_to_uint8(TimeUnits),12);
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}
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void Box_mdhd::SetDurationTime( uint32_t TimeUnits ) {
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Container->SetPayload((uint32_t)4,Box::uint32_to_uint8(TimeUnits),16);
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}
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void Box_mdhd::SetLanguage( uint8_t Firstchar, uint8_t Secondchar, uint8_t Thirdchar ) {
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uint8_t FirstByte = 0;
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uint8_t SecondByte = 0;
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Firstchar -= 0x60;
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Secondchar -= 0x60;
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Thirdchar -= 0x60;
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FirstByte += (Firstchar << 2);
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FirstByte += (Secondchar >> 3);
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SecondByte += (Secondchar << 5);
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SecondByte += Thirdchar;
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Container->SetPayload((uint32_t)1,&SecondByte,21);
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Container->SetPayload((uint32_t)1,&FirstByte,20);
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}
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void Box_mdhd::SetReserved() {
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Container->SetPayload((uint32_t)2,Box::uint16_to_uint8(0),22);
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Container->SetPayload((uint32_t)4,Box::uint32_to_uint8(0));
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}
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void Box_mdhd::SetDefaults() {
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SetLanguage();
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SetDurationTime();
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SetTimeScale();
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SetModificationTime();
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SetCreationTime();
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}
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