// -------------------------------------
// Constructors and destructors
//
QTRTPFile::QTRTPFile(Bool16 debugFlag, Bool16 deepDebugFlag)
: fDebug(debugFlag)
, fDeepDebug(deepDebugFlag)
, fFile(NULL)
, fFCB(NULL)
, fNumHintTracks(0)
, fFirstTrack(NULL)
, fLastTrack(NULL)
, fCurSeekTrack(NULL)
, fSDPFile(NULL)
, fSDPFileLength(0)
, fNumSkippedSamples(0)
, fRequestedSeekTime(0.0)
, fSeekTime(0.0)
, fLastPacketTrack(NULL)
, fBytesPerSecond(0)
, fHasRTPMetaInfoFieldArray(false)
, fWasLastSeekASeekToPacketNumber(false)
, fDropRepeatPackets(false)
, fErr(errNoError)
{
fFCB = NEW QTFile_FileControlBlock();
}
// -------------------------------------
// Initialization functions
//
Bool16 QTAtom_dref::Initialize(void)
{
// Temporary vars
UInt32 tempInt32;
// General vars
UInt64 refPos;
//
// Parse this atom's fields.
ReadInt32(drefPos_VersionFlags, &tempInt32);
fVersion = (UInt8)((tempInt32 >> 24) & 0x000000ff);
fFlags = tempInt32 & 0x00ffffff;
ReadInt32(drefPos_NumRefs, &fNumRefs);
//
// Read in all of the refs.
if( fNumRefs > 0 ) {
//
// Allocate our ref table.
fRefs = NEW DataRefEntry[fNumRefs];
if( fRefs == NULL )
return false;
//
// Read them all in..
refPos = drefPos_RefTable;
for( UInt32 CurRef = 0; CurRef < fNumRefs; CurRef++ ) {
//
// Set up the entry.
fRefs[CurRef].Flags = 0x0;
fRefs[CurRef].ReferenceType = FOUR_CHARS_TO_INT('N', 'U', 'L', 'L'); // NULL
fRefs[CurRef].DataLength = 0;
fRefs[CurRef].Data = NULL;
fRefs[CurRef].IsEntryInitialized = false;
fRefs[CurRef].IsFileOpen = false;
fRefs[CurRef].FCB = NULL;
//
// Get the flags and type.
ReadInt32(refPos + drefRefPos_VersionFlags, &tempInt32);
fRefs[CurRef].Flags = tempInt32 & 0x00ffffff;
ReadInt32(refPos + drefRefPos_Type, &tempInt32);
fRefs[CurRef].ReferenceType = tempInt32;
//
// We're done if this is a self-referencing atom.
if( fRefs[CurRef].Flags & flagSelfRef ) {
fRefs[CurRef].IsEntryInitialized = true;
continue;
}
//
// Get all of the data.
ReadInt32(refPos + drefRefPos_Size, &tempInt32);
fRefs[CurRef].DataLength = tempInt32 - 12 /* skip the header */;
fRefs[CurRef].Data = NEW char[fRefs[CurRef].DataLength];
if( fRefs[CurRef].Data == NULL ) {
//
// De-initialize this entry.
fRefs[CurRef].DataLength = 0;
fRefs[CurRef].IsEntryInitialized = false;
} else {
//
// Read the entry data.
ReadBytes(refPos + drefRefPos_Data, fRefs[CurRef].Data, fRefs[CurRef].DataLength);
//
// Configure the rest of the entry.
fRefs[CurRef].FCB = NEW QTFile_FileControlBlock();
if( fRefs[CurRef].FCB == NULL )
fRefs[CurRef].IsEntryInitialized = false;
else
fRefs[CurRef].IsEntryInitialized = true;
fRefs[CurRef].IsFileOpen = false;
}
//
// Skip over this mini-atom.
refPos += fRefs[CurRef].DataLength + 12 /* account for the header */;
}
}