void MP4SoundAtom::Read()
{
MP4Atom *parent = GetParentAtom();
if (ATOMID(parent->GetType()) != ATOMID("stsd")) {
// Quicktime has an interesting thing - they'll put an mp4a atom
// which is blank inside a wave atom, which is inside an mp4a atom
// we have a mp4a inside an wave inside an mp4a - delete all properties
m_pProperties.Delete(8);
m_pProperties.Delete(7);
m_pProperties.Delete(6);
m_pProperties.Delete(5);
m_pProperties.Delete(4);
m_pProperties.Delete(3);
m_pProperties.Delete(2);
m_pProperties.Delete(1);
m_pProperties.Delete(0);
if (ATOMID(GetType()) == ATOMID("alac")) {
AddProperty(new MP4BytesProperty("decoderConfig", m_size));
ReadProperties();
}
if (m_pChildAtomInfos.Size() > 0) {
ReadChildAtoms();
}
} else {
ReadProperties(0, 3); // read first 3 properties
AddProperties(((MP4IntegerProperty *)m_pProperties[2])->GetValue());
ReadProperties(3); // continue
if (m_pChildAtomInfos.Size() > 0) {
ReadChildAtoms();
}
}
Skip();
}
void MP4HntiAtom::Read()
{
MP4Atom* grandParent = m_pParentAtom->GetParentAtom();
ASSERT(grandParent);
if (ATOMID(grandParent->GetType()) == ATOMID("trak")) {
ExpectChildAtom("sdp ", Optional, OnlyOne);
} else {
ExpectChildAtom("rtp ", Optional, OnlyOne);
}
MP4Atom::Read();
}
void MP4Meta2Atom::Read ()
{
MP4Atom *parent = GetParentAtom();
if (ATOMID(parent->GetType()) == ATOMID("udta")) {
// add data property
AddReserved("reserved2", 4); /* 0 */
AddProperty(
new MP4BytesProperty("metadata")); /* 1 */
((MP4BytesProperty*)m_pProperties[1])->SetValueSize(m_size - 4);
} else {
ExpectChildAtom("data", Required, OnlyOne);
}
MP4Atom::Read();
}