75 lines
1.7 KiB
C++
75 lines
1.7 KiB
C++
#include "box.h"
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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() {
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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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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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