// Unfortunately the deprecated getInputSpeakerArrangement/getOutputSpeakerArrangement return
// references to strings. Therefore we need to keep a copy. Once getInputSpeakerArrangement is
// removed, we can also remove this function
void AudioProcessor::updateSpeakerFormatStrings()
{
cachedInputSpeakerArrString.clear();
cachedOutputSpeakerArrString.clear();
if (getBusCount (true) > 0)
cachedInputSpeakerArrString = getBus (true, 0)->getCurrentLayout().getSpeakerArrangementAsString();
if (getBusCount (false) > 0)
cachedOutputSpeakerArrString = getBus (false, 0)->getCurrentLayout().getSpeakerArrangementAsString();
}
bool AudioProcessor::enableAllBuses()
{
BusesLayout layouts;
const int numInputs = getBusCount (true);
const int numOutputs = getBusCount (false);
for (int i = 0; i < numInputs; ++i)
layouts.inputBuses. add (getBus (true, i)->lastLayout);
for (int i = 0; i < numOutputs; ++i)
layouts.outputBuses.add (getBus (false, i)->lastLayout);
return setBusesLayout (layouts);
}
AudioProcessor::BusesLayout AudioProcessor::getBusesLayout() const
{
BusesLayout layouts;
const int numInputs = getBusCount (true);
const int numOutputs = getBusCount (false);
for (int i = 0; i < numInputs; ++i)
layouts.inputBuses. add (getBus (true, i)->getCurrentLayout());
for (int i = 0; i < numOutputs; ++i)
layouts.outputBuses.add (getBus (false, i)->getCurrentLayout());
return layouts;
}
void AudioProcessor::audioIOChanged (bool busNumberChanged, bool channelNumChanged)
{
const int numInputBuses = getBusCount (true);
const int numOutputBuses = getBusCount (false);
for (int dir = 0; dir < 2; ++dir)
{
const bool isInput = (dir == 0);
const int n = (isInput ? numInputBuses : numOutputBuses);
for (int i = 0; i < n; ++i)
{
if (Bus* bus = getBus (isInput, i))
bus->updateChannelCount();
}
}
cachedTotalIns = countTotalChannels (inputBuses);
cachedTotalOuts = countTotalChannels (outputBuses);
updateSpeakerFormatStrings();
if (busNumberChanged)
numBusesChanged();
if (channelNumChanged)
numChannelsChanged();
processorLayoutsChanged();
}
bool AudioProcessor::applyBusLayouts (const BusesLayout& layouts)
{
if (layouts == getBusesLayout())
return true;
const int numInputBuses = getBusCount (true);
const int numOutputBuses = getBusCount (false);
const int oldNumberOfIns = getTotalNumInputChannels();
const int oldNumberOfOuts = getTotalNumOutputChannels();
if (layouts.inputBuses. size() != numInputBuses
|| layouts.outputBuses.size() != numOutputBuses)
return false;
for (int busIdx = 0; busIdx < numInputBuses; ++busIdx)
{
Bus& bus = *getBus (true, busIdx);
const AudioChannelSet& set = layouts.getChannelSet (true, busIdx);
bus.layout = set;
if (! set.isDisabled())
bus.lastLayout = set;
}
for (int busIdx = 0; busIdx < numOutputBuses; ++busIdx)
{
Bus& bus = *getBus (false, busIdx);
const AudioChannelSet& set = layouts.getChannelSet (false, busIdx);
bus.layout = set;
if (! set.isDisabled())
bus.lastLayout = set;
}
const bool channelNumChanged = (oldNumberOfIns != getTotalNumInputChannels() || oldNumberOfOuts != getTotalNumOutputChannels());
audioIOChanged (false, channelNumChanged);
return true;
}
bool AudioProcessor::setChannelLayoutOfBus (bool isInputBus, int busIdx, const AudioChannelSet& layout)
{
if (Bus* bus = getBus (isInputBus, busIdx))
{
BusesLayout layouts = bus->getBusesLayoutForLayoutChangeOfBus (layout);
if (layouts.getChannelSet (isInputBus, busIdx) == layout)
return applyBusLayouts (layouts);
return false;
}
// busIdx parameter is invalid
jassertfalse;
return false;
}
bool AudioProcessor::setBusesLayoutWithoutEnabling (const BusesLayout& arr)
{
const int numIns = getBusCount (true);
const int numOuts = getBusCount (false);
jassert (arr.inputBuses. size() == numIns
&& arr.outputBuses.size() == numOuts);
BusesLayout request = arr;
const BusesLayout current = getBusesLayout();
for (int i = 0; i < numIns; ++i)
if (request.getNumChannels (true, i) == 0)
request.getChannelSet (true, i) = current.getChannelSet (true, i);
for (int i = 0; i < numOuts; ++i)
if (request.getNumChannels (false, i) == 0)
request.getChannelSet (false, i) = current.getChannelSet (false, i);
if (! checkBusesLayoutSupported(request))
return false;
for (int dir = 0; dir < 2; ++dir)
{
const bool isInput = (dir != 0);
for (int i = 0; i < (isInput ? numIns : numOuts); ++i)
{
Bus& bus = *getBus (isInput, i);
AudioChannelSet& set = request.getChannelSet (isInput, i);
if (! bus.isEnabled())
{
if (! set.isDisabled())
bus.lastLayout = set;
set = AudioChannelSet::disabled();
}
}
}
return setBusesLayout (request);
}
bool AudioProcessor::canApplyBusCountChange (bool isInput, bool isAdding,
AudioProcessor::BusProperties& outProperties)
{
if ( isAdding && ! canAddBus (isInput)) return false;
if (! isAdding && ! canRemoveBus (isInput)) return false;
const int num = getBusCount (isInput);
// No way for me to find out the default layout if there are no other busses!!
if (num == 0) return false;
if (isAdding)
{
outProperties.busName = String (isInput ? "Input #" : "Output #") + String (getBusCount (isInput));
outProperties.defaultLayout = (num > 0 ? getBus (isInput, num - 1)->getDefaultLayout() : AudioChannelSet());
outProperties.isActivatedByDefault = true;
}
return true;
}
/**
* @brief Executes one CPU cycle
* @return true if success, otherwise false
*/
virtual bool execute()
{
bool retval = true;
TestInstruction data;
U32 oldPC = mContext.reg[REG_PC];
if (getBus()->request(soc::Bus::BUSOP_READ, mContext.reg[REG_PC], data.value32)) {
// Increment Program Counter
mContext.reg[REG_PC] += INSTRUCTION_SIZE;
switch (data.format1.opcode) {
case 0x01: // LOAD LOW Immediate data into register
printf("0x%08x: OpCode: %8s(0x%02x) RegIndex: 0x%02x Data: 0x%04x\n",
oldPC,
"LOADLI",
data.format1.opcode,
data.format1.regIndex,
data.format1.data);
if (data.format1.regIndex >= MAX_CPUREGISTERS) {
retval = false;
} else {
U32 value = mContext.reg[data.format1.regIndex];
value = (value&0xFFFF0000) | data.format1.data;
mContext.reg[data.format1.regIndex] = value;
}
break;
case 0x02: // LOAD HIGH Immediate data into register
printf("0x%08x: OpCode: %8s(0x%02x) RegIndex: 0x%02x Data: 0x%04x\n",
oldPC,
"LOADHI",
data.format1.opcode,
data.format1.regIndex,
data.format1.data);
if (data.format1.regIndex >= MAX_CPUREGISTERS) {
retval = false;
} else {
U32 value = mContext.reg[data.format1.regIndex];
value = (value&0x00000FFFF) | (data.format1.data << 16);
mContext.reg[data.format1.regIndex] = value;
}
break;
default:
retval = false;
}
if (retval == false) {
// Invalid operation
printf("0x%08x: OpCode: %8s(0x%02x) Byte1: 0x%02x Byte2: 0x%02x Byte3: 0x%02x\n",
oldPC,
"INVALID",
data.format1.opcode,
data.value8[1],
data.value8[2],
data.value8[3]);
}
} else {
// failure to read next command
// from location pc
printf("Bus failure for address: 0x%08x\n", mContext.reg[REG_PC]);
retval = false;
}
return retval;
}
AudioProcessor::BusesLayout AudioProcessor::getNextBestLayout (const BusesLayout& layouts) const
{
// if you are hitting this assertion then you are requesting a next
// best layout which does not have the same number of buses as the
// audio processor.
jassert (layouts.inputBuses. size() == getBusCount (true)
&& layouts.outputBuses.size() == getBusCount (false));
if (checkBusesLayoutSupported (layouts)) return layouts;
BusesLayout originalState = getBusesLayout();
BusesLayout currentState = originalState;
BusesLayout bestSupported = currentState;
for (int dir = 0; dir < 2; ++dir)
{
const bool isInput = (dir > 0);
Array<AudioChannelSet>& currentLayouts = (isInput ? currentState.inputBuses : currentState.outputBuses);
const Array<AudioChannelSet>& bestLayouts = (isInput ? bestSupported.inputBuses : bestSupported.outputBuses);
const Array<AudioChannelSet>& requestedLayouts = (isInput ? layouts.inputBuses : layouts.outputBuses);
const Array<AudioChannelSet>& originalLayouts = (isInput ? originalState.inputBuses : originalState.outputBuses);
for (int busIdx = 0; busIdx < requestedLayouts.size(); ++busIdx)
{
AudioChannelSet& best = bestLayouts .getReference (busIdx);
const AudioChannelSet& requested = requestedLayouts.getReference (busIdx);
const AudioChannelSet& original = originalLayouts .getReference (busIdx);
// do we need to do anything
if (original == requested)
continue;
currentState = bestSupported;
AudioChannelSet& current = currentLayouts .getReference (busIdx);
// already supported?
current = requested;
if (checkBusesLayoutSupported (currentState))
{
bestSupported = currentState;
continue;
}
// try setting the opposite bus to the identical layout
const bool oppositeDirection = ! isInput;
if (getBusCount (oppositeDirection) > busIdx)
{
AudioChannelSet& oppositeLayout = (oppositeDirection ? currentState.inputBuses : currentState.outputBuses).getReference (busIdx);
oppositeLayout = requested;
if (checkBusesLayoutSupported (currentState))
{
bestSupported = currentState;
continue;
}
// try setting the default layout
oppositeLayout = getBus (oppositeDirection, busIdx)->getDefaultLayout();
if (checkBusesLayoutSupported (currentState))
{
bestSupported = currentState;
continue;
}
}
// try setting all other buses to the identical layout
BusesLayout allTheSame;
for (int oDir = 0; oDir < 2; ++oDir)
{
const bool oIsInput = (oDir == 0);
const int oBusNum = getBusCount (oIsInput);
for (int oBusIdx = 0; oBusIdx < oBusNum; ++oBusIdx)
(oIsInput ? allTheSame.inputBuses : allTheSame.outputBuses).add (requested);
}
if (checkBusesLayoutSupported (allTheSame))
{
bestSupported = allTheSame;
continue;
}
// what is closer the default or the current layout?
int distance = abs (best.size() - requested.size());
const AudioChannelSet& defaultLayout = getBus (isInput, busIdx)->getDefaultLayout();
if (abs (defaultLayout.size() - requested.size()) < distance)
{
current = defaultLayout;
if (checkBusesLayoutSupported (currentState))
bestSupported = currentState;
}
}
}
return bestSupported;
}
