void FloorCurveDecode( Mapping mapping )
{
for( int i = 0; i < channels; i++ ) {
int submapNum = mapping.mux[i];
int floorNum = mapping.submapFloor[submapNum];
Floor floor = floorConfigs[floorNum];
noResidue[i] = (bool)floor.ReadPerPacketData( this, bitReader, null );
}
// nonezero vector propagate
for( int i = 0; i < mapping.couplingSteps; i++ ) {
if( !noResidue[mapping.magnitude[i]] || !noResidue[mapping.angle[i]] ) {
noResidue[mapping.magnitude[i]] = false;
noResidue[mapping.angle[i]] = false;
}
}
}
void ReadMappingsSetup( int count )
{
mappingConfigs = new Mapping[count];
for( int i = 0; i < mappingConfigs.Length; i++ ) {
int mappingType = bitReader.ReadBits( 16 );
Mapping mapping = null;
if( mappingType == 0 ) {
mapping = new Mapping();
} else {
throw new InvalidDataException( "Invalid mapping type: " + mappingType );
}
mapping.ReadSetupData( this, bitReader );
mappingConfigs[i] = mapping;
}
}
void ResidueDecode( Mapping mapping )
{
for( int i = 0; i < mapping.submaps; i++ ) {
int ch = 0;
for( int j = 0; j < channels; j++ ) {
if( mapping.mux[j] == i ) {
doNotDecode[ch] = noResidue[j];
ch++;
}
}
int residueNum = mapping.submapResidue[i];
residueArgs.ch = ch;
residueArgs.doNotDecode = doNotDecode;
residueConfigs[residueNum].ReadPerPacketData( this, bitReader, residueArgs );
ch = 0;
for( int j = 0; j < channels; j++ ) { // TODO: spec seems to suggest <=, look into
if( mapping.mux[j] == i ) {
// TODO: residue_vector[j] = decoded_residue_vector[ch];
ch++;
}
}
}
}
void InverseCoupling( Mapping mapping )
{
// TODO: inverse coupling
for( int i = mapping.couplingSteps - 1; i >= 0; i-- ) {
}
}