void WAVE_MetaHandler::ProcessXMP()
{
// Must be done only once
if ( this->processedXMP )
{
return;
}
// Set the status at start, in case something goes wrong in this method
this->processedXMP = true;
// Parse the XMP
if ( ! this->xmpPacket.empty() ) {
XMP_Assert ( this->containsXMP );
FillPacketInfo ( this->xmpPacket, &this->packetInfo );
this->xmpObj.ParseFromBuffer ( this->xmpPacket.c_str(), (XMP_StringLen)this->xmpPacket.size() );
this->containsXMP = true;
}
// Then import native properties
MetadataSet metaSet;
WAVEReconcile recon;
// Parse the WAVE metadata object with values
const XMP_Uns8* buffer = NULL; // temporary buffer
XMP_Uns64 size = 0;
// Get LIST:INFO legacy chunk
mINFOChunk = mChunkController->getChunk( mWAVEInfoChunkPath, true );
if( mINFOChunk != NULL )
{
size = mINFOChunk->getData( &buffer );
mINFOMeta.parse( buffer, size );
}
// Parse Bext legacy chunk
mBEXTChunk = mChunkController->getChunk( mWAVEBextChunkPath, true );
if( mBEXTChunk != NULL )
{
size = mBEXTChunk->getData( &buffer );
mBEXTMeta.parse( buffer, size );
}
// Parse cart legacy chunk
mCartChunk = mChunkController->getChunk( mWAVECartChunkPath, true );
if( mCartChunk != NULL )
{
size = mCartChunk->getData( &buffer );
mCartMeta.parse( buffer, size );
}
// Parse DISP legacy chunk
const std::vector<IChunkData*>& disps = mChunkController->getChunks( mWAVEDispChunkPath );
if( ! disps.empty() )
{
for( std::vector<IChunkData*>::const_reverse_iterator iter=disps.rbegin(); iter!=disps.rend(); iter++ )
{
size = (*iter)->getData( &buffer );
if( DISPMetadata::isValidDISP( buffer, size ) )
{
mDISPChunk = (*iter);
break;
}
}
}
if( mDISPChunk != NULL )
{
size = mDISPChunk->getData( &buffer );
mDISPMeta.parse( buffer, size );
}
//cr8r is not yet required for WAVE
//// Parse Cr8r legacy chunk
//mCr8rChunk = mChunkController->getChunk( mWAVECr8rChunkPath );
//if( mCr8rChunk != NULL )
//{
// size = mCr8rChunk->getData( &buffer );
// mCr8rMeta.parse( buffer, size );
//}
// app legacy to the metadata list
metaSet.append( &mINFOMeta );
metaSet.append( &mBEXTMeta );
metaSet.append( &mCartMeta );
metaSet.append( &mDISPMeta );
// cr8r is not yet required for WAVE
// metaSet.append( &mCr8rMeta );
// Do the import
if( recon.importToXMP( this->xmpObj, metaSet ) )
{
// Remember if anything has changed
this->containsXMP = true;
}
} // WAVE_MetaHandler::ProcessXMP
void WAVE_MetaHandler::UpdateFile ( bool doSafeUpdate )
{
if ( ! this->needsUpdate ) { // If needsUpdate is set then at least the XMP changed.
return;
}
if ( doSafeUpdate )
{
XMP_Throw ( "WAVE_MetaHandler::UpdateFile: Safe update not supported", kXMPErr_Unavailable );
}
// Export XMP to legacy chunks. Create/delete them if necessary
MetadataSet metaSet;
WAVEReconcile recon;
metaSet.append( &mINFOMeta );
metaSet.append( &mBEXTMeta );
metaSet.append( &mCartMeta );
metaSet.append( &mDISPMeta );
// cr8r is not yet required for WAVE
// metaSet.append( &mCr8rMeta );
// If anything changes, update/create/delete the legacy chunks
if( recon.exportFromXMP( metaSet, this->xmpObj ) )
{
if ( mINFOMeta.hasChanged( ))
{
updateLegacyChunk( &mINFOChunk, kChunk_LIST, kType_INFO, mINFOMeta );
}
if ( mBEXTMeta.hasChanged( ))
{
updateLegacyChunk( &mBEXTChunk, kChunk_bext, kType_NONE, mBEXTMeta );
}
if ( mCartMeta.hasChanged( ))
{
updateLegacyChunk( &mCartChunk, kChunk_cart, kType_NONE, mCartMeta );
}
if ( mDISPMeta.hasChanged( ))
{
updateLegacyChunk( &mDISPChunk, kChunk_DISP, kType_NONE, mDISPMeta );
}
//cr8r is not yet required for WAVE
//if ( mCr8rMeta.hasChanged( ))
//{
// updateLegacyChunk( &mCr8rChunk, kChunk_Cr8r, kType_NONE, mCr8rMeta );
//}
}
//update/create XMP chunk
if( this->containsXMP )
{
this->xmpObj.SerializeToBuffer ( &(this->xmpPacket) );
if( mXMPChunk != NULL )
{
mXMPChunk->setData( reinterpret_cast<const XMP_Uns8 *>(this->xmpPacket.c_str()), this->xmpPacket.length() );
}
else // create XMP chunk
{
mXMPChunk = mChunkController->createChunk( kChunk_XMP, kType_NONE );
mXMPChunk->setData( reinterpret_cast<const XMP_Uns8 *>(this->xmpPacket.c_str()), this->xmpPacket.length() );
mChunkController->insertChunk( mXMPChunk );
}
}
// XMP Packet is never completely removed from the file.
XMP_ProgressTracker* progressTracker=this->parent->progressTracker;
// local progess tracking required because for Handlers incapable of
// kXMPFiles_CanRewrite XMPFiles call this Update method after making
// a copy of the orignal file
bool localProgressTracking=false;
if ( progressTracker != 0 )
{
if ( ! progressTracker->WorkInProgress() )
{
localProgressTracking = true;
progressTracker->BeginWork ();
}
}
//write tree back to file
mChunkController->writeFile( this->parent->ioRef ,progressTracker);
if ( localProgressTracking && progressTracker != 0 ) progressTracker->WorkComplete();
this->needsUpdate = false; // Make sure this is only called once.
} // WAVE_MetaHandler::UpdateFile
void WAVE_MetaHandler::UpdateFile ( bool doSafeUpdate )
{
if ( ! this->needsUpdate ) { // If needsUpdate is set then at least the XMP changed.
return;
}
if ( doSafeUpdate )
{
XMP_Throw ( "WAVE_MetaHandler::UpdateFile: Safe update not supported", kXMPErr_Unavailable );
}
// Export XMP to legacy chunks. Create/delete them if necessary
MetadataSet metaSet;
WAVEReconcile recon;
metaSet.append( &mINFOMeta );
metaSet.append( &mBEXTMeta );
metaSet.append( &mCartMeta );
metaSet.append( &mDISPMeta );
// cr8r is not yet required for WAVE
// metaSet.append( &mCr8rMeta );
// If anything changes, update/create/delete the legacy chunks
if( recon.exportFromXMP( metaSet, this->xmpObj ) )
{
if ( mINFOMeta.hasChanged( ))
{
updateLegacyChunk( &mINFOChunk, kChunk_LIST, kType_INFO, mINFOMeta );
}
if ( mBEXTMeta.hasChanged( ))
{
updateLegacyChunk( &mBEXTChunk, kChunk_bext, kType_NONE, mBEXTMeta );
}
if ( mCartMeta.hasChanged( ))
{
updateLegacyChunk( &mCartChunk, kChunk_cart, kType_NONE, mCartMeta );
}
if ( mDISPMeta.hasChanged( ))
{
updateLegacyChunk( &mDISPChunk, kChunk_DISP, kType_NONE, mDISPMeta );
}
//cr8r is not yet required for WAVE
//if ( mCr8rMeta.hasChanged( ))
//{
// updateLegacyChunk( &mCr8rChunk, kChunk_Cr8r, kType_NONE, mCr8rMeta );
//}
}
//update/create XMP chunk
if( this->containsXMP )
{
this->xmpObj.SerializeToBuffer ( &(this->xmpPacket) );
if( mXMPChunk != NULL )
{
mXMPChunk->setData( reinterpret_cast<const XMP_Uns8 *>(this->xmpPacket.c_str()), this->xmpPacket.length() );
}
else // create XMP chunk
{
mXMPChunk = mChunkController->createChunk( kChunk_XMP, kType_NONE );
mXMPChunk->setData( reinterpret_cast<const XMP_Uns8 *>(this->xmpPacket.c_str()), this->xmpPacket.length() );
mChunkController->insertChunk( mXMPChunk );
}
}
// XMP Packet is never completely removed from the file.
//write tree back to file
mChunkController->writeFile( this->parent->ioRef );
this->needsUpdate = false; // Make sure this is only called once.
} // WAVE_MetaHandler::UpdateFile
