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STSC en STTS boxes

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This commit is contained in:
Erik Zandvliet 2011-01-11 21:21:30 +01:00
parent 9a1de4042e
commit 0fcc1c483d
4 changed files with 129 additions and 0 deletions
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42
MP4/box_stsc.cpp Normal file
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#include "box_stsc.h"
Box_stsc::Box_stsc( ) {
Container = new Box( 0x73747363 );
SetReserved();
}
Box_stsc::~Box_stsc() {
delete Container;
}
Box * Box_stsc::GetBox() {
return Container;
}
void Box_stsc::SetReserved( ) {
Container->SetPayload((uint32_t)4,Box::uint32_to_uint8(0));
}
void Box_stsc::AddEntry( uint32_t FirstChunk, uint32_t SamplesPerChunk, uint32_t SampleDescIndex, uint32_t Offset = 0 ) {
if(Offset >= Entries.size()) {
Entries.resize(Offset+1);
}
Entries[Offset].FirstChunk = FirstChunk;
Entries[Offset].SamplesPerChunk = SamplesPerChunk;
Entries[Offset].SampleDescIndex = SampleDescIndex;
WriteEntries( );
}
void Box_stsc::WriteEntries( ) {
Container->ResetPayload();
SetReserved( );
if(!Offsets.empty()) {
for(int32_t i = Offsets.size() -1; i >= 0; i--) {
Container->SetPayload((uint32_t)4,Box::uint32_to_uint8(Entries[i].SampleDescIndex),(i*12)+16);
Container->SetPayload((uint32_t)4,Box::uint32_to_uint8(Entries[i].SamplesPerChunk),(i*12)+12);
Container->SetPayload((uint32_t)4,Box::uint32_to_uint8(Entries[i].FirstChunk),(i*12)+8);
}
}
Container->SetPayload((uint32_t)4,Box::uint32_to_uint8(Offsets.size()),4);
}