Пример #1
0
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();
}
Пример #2
0
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();
}
Пример #3
0
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();
}