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giuliomoro/heavy-render-with-trill.cpp

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heavy-render-with-trill.cpp
/*
____ _____ _ _
| __ )| ____| | / \
| _ \| _| | | / _ \
| |_) | |___| |___ / ___ \
|____/|_____|_____/_/ \_\
The platform for ultra-low latency audio and sensor processing
http://bela.io
A project of the Augmented Instruments Laboratory within the
Centre for Digital Music at Queen Mary University of London.
http://www.eecs.qmul.ac.uk/~andrewm
(c) 2016 Augmented Instruments Laboratory: Andrew McPherson,
Astrid Bin, Liam Donovan, Christian Heinrichs, Robert Jack,
Giulio Moro, Laurel Pardue, Victor Zappi. All rights reserved.
The Bela software is distributed under the GNU Lesser General Public License
(LGPL 3.0), available here: https://www.gnu.org/licenses/lgpl-3.0.txt
*/
#include <Bela.h>
#include <libraries/Midi/Midi.h>
#include <libraries/Scope/Scope.h>
#include <cmath>
#include <Heavy_bela.h>
#include <string.h>
#include <stdlib.h>
#include <string>
#include <sstream>
#include <DigitalChannelManager.h>
#include <algorithm>
#include <array>
// MODIFICATION START
#include <libraries/Trill/Trill.h>
unsigned int bela_trill_main_hash;
Trill touchSensorMain;
// how often to try to read the
// cap sensors inputs. The cap sensor values are always sent to Pd once
// per block, regardless.
unsigned int touchSensorSleepIntervalUs = 5000;
void readCapSensorLoop(void*)
{
while(!gShouldStop)
{
//touchSensor.readI2C();
touchSensorMain.readI2C();
usleep(touchSensorSleepIntervalUs);
}
}
// MODIFICATION END
enum { minFirstDigitalChannel = 10 };
static unsigned int gAudioChannelsInUse;
static unsigned int gAnalogChannelsInUse;
static unsigned int gDigitalChannelsInUse;
unsigned int gScopeChannelsInUse;
static unsigned int gChannelsInUse;
static unsigned int gFirstAnalogChannel;
static unsigned int gFirstDigitalChannel;
static unsigned int gDigitalChannelOffset;
static unsigned int gFirstScopeChannel;
static unsigned int gDigitalSigInChannelsInUse;
static unsigned int gDigitalSigOutChannelsInUse;
float* gScopeOut;
// Bela Scope
static Scope* scope = NULL;
static char multiplexerArray[] = {"bela_multiplexer"};
static int multiplexerArraySize = 0;
static bool pdMultiplexerActive = false;
bool gDigitalEnabled = 0;
// Bela Midi
unsigned int hvMidiHashes[7]; // heavy-specific
static std::vector<Midi*> midi;
std::vector<std::string> gMidiPortNames;
void dumpMidi()
{
if(midi.size() == 0)
{
printf("No MIDI device enabled\n");
return;
}
printf("The following MIDI devices are enabled:\n");
printf("%4s%20s %3s %3s %s\n",
"Num",
"Name",
"In",
"Out",
"Pd channels"
);
for(unsigned int n = 0; n < midi.size(); ++n)
{
printf("[%2d]%20s %3s %3s (%d-%d)\n",
n,
gMidiPortNames[n].c_str(),
midi[n]->isInputEnabled() ? "x" : "_",
midi[n]->isOutputEnabled() ? "x" : "_",
n * 16,
n * 16 + 15
);
}
}
Midi* openMidiDevice(std::string name, bool verboseSuccess = false, bool verboseError = false)
{
Midi* newMidi;
newMidi = new Midi();
newMidi->readFrom(name.c_str());
newMidi->writeTo(name.c_str());
newMidi->enableParser(true);
if(newMidi->isOutputEnabled())
{
if(verboseSuccess)
printf("Opened MIDI device %s as output\n", name.c_str());
}
if(newMidi->isInputEnabled())
{
if(verboseSuccess)
printf("Opened MIDI device %s as input\n", name.c_str());
}
if(!newMidi->isInputEnabled() && !newMidi->isOutputEnabled())
{
if(verboseError)
fprintf(stderr, "Failed to open MIDI device %s\n", name.c_str());
return nullptr;
} else {
return newMidi;
}
}
static unsigned int getPortChannel(int* channel){
unsigned int port = 0;
while(*channel > 16){
*channel -= 16;
port += 1;
}
return port;
}
/*
* HEAVY CONTEXT & BUFFERS
*/
HeavyContextInterface *gHeavyContext;
float *gHvInputBuffers = NULL, *gHvOutputBuffers = NULL;
unsigned int gHvInputChannels = 0, gHvOutputChannels = 0;
uint32_t multiplexerTableHash;
float gInverseSampleRate;
/*
* HEAVY FUNCTIONS
*/
void printHook(HeavyContextInterface *context, const char *printLabel, const char *msgString, const HvMessage *msg) {
const double timestampSecs = ((double) hv_msg_getTimestamp(msg)) / hv_getSampleRate(context);
rt_printf("print: [@ %.3f] %s: %s\n", timestampSecs, printLabel, msgString);
}
// digitals
static DigitalChannelManager dcm;
void sendDigitalMessage(bool state, unsigned int delay, void* receiverName){
hv_sendFloatToReceiver(gHeavyContext, hv_stringToHash((char*)receiverName), (float)state);
// rt_printf("%s: %d\n", (char*)receiverName, state);
}
std::vector<std::string> gHvDigitalInHashes;
void generateDigitalNames(unsigned int numDigitals, unsigned int digitalOffset, std::vector<std::string>& receiverInputNames)
{
std::string inBaseString = "bela_digitalIn";
for(unsigned int i = 0; i<numDigitals; i++)
{
receiverInputNames.push_back(inBaseString + std::to_string(i+digitalOffset));
}
}
// For a message to be received here, you need to use the following syntax in Pd:
// [send receiverName @hv_param]
static void sendHook(
HeavyContextInterface *context,
const char *receiverName,
hv_uint32_t sendHash,
const HvMessage *m) {
// Bela digital run-time messages
// TODO: this first block is almost an exact copy of libpd's code, should we add this to the class?
// let's make this as optimized as possible for built-in digital Out parsing
// the built-in digital receivers are of the form "bela_digitalOutXX" where XX is between 11 and 26
static const int prefixLength = 15; // strlen("bela_digitalOut")
if(strncmp(receiverName, "bela_digitalOut", prefixLength)==0){
if(receiverName[prefixLength] != 0){ //the two ifs are used instead of if(strlen(source) >= prefixLength+2)
if(receiverName[prefixLength + 1] != 0){
// quickly convert the suffix to integer, assuming they are numbers, avoiding to call atoi
int receiver = ((receiverName[prefixLength] - '0') * 10);
receiver += (receiverName[prefixLength+1] - '0');
unsigned int channel = receiver - gDigitalChannelOffset; // go back to the actual Bela digital channel number
bool value = (hv_msg_getFloat(m, 0) != 0.0f);
if(channel < gDigitalChannelsInUse){ //gDigitalChannelsInUse is the number of digital channels
dcm.setValue(channel, value);
}
}
}
return;
}
// More MIDI and digital messages. To obtain the hashes below, use hv_stringToHash("yourString")
switch (sendHash) {
case 0xfb212be8: { // bela_setMidi
if (!hv_msg_hasFormat(m, "sfff")) {
fprintf(stderr, "Wrong format for Bela_setMidi, expected:[hw 1 0 0(");
return;
}
const char* symbol = hv_msg_getSymbol(m, 0);
int num[3] = {0, 0, 0};
for(int n = 0; n < 3; ++n)
{
num[n] = hv_msg_getFloat(m, n + 1);
}
std::ostringstream deviceName;
deviceName << symbol << ":" << num[0] << "," << num[1] << "," << num[2];
printf("Adding Midi device: %s\n", deviceName.str().c_str());
Midi* newMidi = openMidiDevice(deviceName.str(), true, true);
if(newMidi)
{
midi.push_back(newMidi);
gMidiPortNames.push_back(deviceName.str());
}
dumpMidi();
break;
}
case 0x70418732: { // bela_setDigital
if(gDigitalEnabled)
{
// Third argument (optional) can be ~ or sig for signal-rate, message-rate otherwise.
// [in 14 ~(
// |
// [s bela_setDigital]
// is signal("sig" or "~") or message("message", default) rate
bool isMessageRate = true; // defaults to message rate
bool direction = 0; // initialize it just to avoid the compiler's warning
bool disable = false;
if (!(hv_msg_isSymbol(m, 0) && hv_msg_isFloat(m, 1))) return;
const char *symbol = hv_msg_getSymbol(m, 0);
if(strcmp(symbol, "in") == 0){
direction = INPUT;
} else if(strcmp(symbol, "out") == 0){
direction = OUTPUT;
} else if(strcmp(symbol, "disable") == 0){
disable = true;
} else {
return;
}
int channel = hv_msg_getFloat(m, 1) - gDigitalChannelOffset;
if(disable == true){
dcm.unmanage(channel);
return;
}
if(hv_msg_isSymbol(m, 2)){
const char *s = hv_msg_getSymbol(m, 2);
if(strcmp(s, "~") == 0 || strncmp(s, "sig", 3) == 0){
isMessageRate = false;
}
}
dcm.manage(channel, direction, isMessageRate);
}
break;
}
case 0xd1d4ac2: { // __hv_noteout
if (!hv_msg_hasFormat(m, "fff")) return;
midi_byte_t pitch = (midi_byte_t) hv_msg_getFloat(m, 0);
midi_byte_t velocity = (midi_byte_t) hv_msg_getFloat(m, 1);
int channel = (midi_byte_t) hv_msg_getFloat(m, 2);
int port = getPortChannel(&channel);
//rt_printf("noteout[%d]: %d %d %d\n", port, channel, pitch, velocity);
port < midi.size() && midi[port]->writeNoteOn(channel, pitch, velocity);
break;
}
case 0xe5e2a040: { // __hv_ctlout
if (!hv_msg_hasFormat(m, "fff")) return;
midi_byte_t value = (midi_byte_t) hv_msg_getFloat(m, 0);
midi_byte_t controller = (midi_byte_t) hv_msg_getFloat(m, 1);
int channel = (midi_byte_t) hv_msg_getFloat(m, 2);
int port = getPortChannel(&channel);
//rt_printf("controlout[%d]: %d %d %d\n", port, channel, controller, value);
port < midi.size() && midi[port]->writeControlChange(channel, controller, value);
break;
}
case 0x8753e39e: { // __hv_pgmout
midi_byte_t program = (midi_byte_t) hv_msg_getFloat(m, 0);
int channel = (midi_byte_t) hv_msg_getFloat(m, 1);
int port = getPortChannel(&channel);
//rt_printf("pgmout[%d]: %d %d\n", port, channel, program);
port < midi.size() && midi[port]->writeProgramChange(channel, program);
break;
}
case 0xe8458013: { // __hv_bendout
if (!hv_msg_hasFormat(m, "ff")) return;
unsigned int value = ((midi_byte_t) hv_msg_getFloat(m, 0)) + 8192;
int channel = (midi_byte_t) hv_msg_getFloat(m, 1);
int port = getPortChannel(&channel);
//rt_printf("bendout[%d]: %d %d\n", port, channel, value);
port < midi.size() && midi[port]->writePitchBend(channel, value);
break;
}
case 0x476d4387: { // __hv_touchout
if (!hv_msg_hasFormat(m, "ff")) return;
midi_byte_t pressure = (midi_byte_t) hv_msg_getFloat(m, 0);
int channel = (midi_byte_t) hv_msg_getFloat(m, 1);
int port = getPortChannel(&channel);
//rt_printf("touchout[%d]: %d %d\n", port, channel, pressure);
port < midi.size() && midi[port]->writeChannelPressure(channel, pressure);
break;
}
case 0xd5aca9d1: { // __hv_polytouchout, not currently supported by Heavy. You have to [send __hv_polytouchout]
if (!hv_msg_hasFormat(m, "fff")) return;
midi_byte_t pitch = (midi_byte_t) hv_msg_getFloat(m, 0);
midi_byte_t pressure = (midi_byte_t) hv_msg_getFloat(m, 1);
int channel = (midi_byte_t) hv_msg_getFloat(m, 2);
int port = getPortChannel(&channel);
//rt_printf("polytouchout [%d]: %d %d %d\n", port, channel, pitch, pressure);
port < midi.size() && midi[port]->writePolyphonicKeyPressure(channel, pitch, pressure);
break;
}
case 0x6511de55: { // __hv_midiout, not currently supported by Heavy. You have to [send __hv_midiout]
if (!hv_msg_hasFormat(m, "ff")) return;
midi_byte_t byte = (midi_byte_t) hv_msg_getFloat(m, 0);
int port = (int) hv_msg_getFloat(m, 1);
//rt_printf("midiout port: %d, byte: %d\n", port, byte);
port < midi.size() && midi[port]->writeOutput(byte);
break;
}
default: {
break;
}
}
}
/*
* SETUP, RENDER LOOP & CLEANUP
*/
bool setup(BelaContext *context, void *userData) {
// Check if digitals are enabled
if(context->digitalFrames > 0 && context->digitalChannels > 0)
gDigitalEnabled = 1;
gAudioChannelsInUse = std::max(context->audioInChannels, context->audioOutChannels);
gAnalogChannelsInUse = std::max(context->analogInChannels, context->analogOutChannels);
gDigitalChannelsInUse = context->digitalChannels;
// Channel distribution
gFirstAnalogChannel = std::max(context->audioInChannels, context->audioOutChannels);
gFirstDigitalChannel = gFirstAnalogChannel + std::max(context->analogInChannels, context->analogOutChannels);
if(gFirstDigitalChannel < minFirstDigitalChannel)
gFirstDigitalChannel = minFirstDigitalChannel; //for backwards compatibility
gDigitalChannelOffset = gFirstDigitalChannel + 1;
gFirstScopeChannel = gFirstDigitalChannel + gDigitalChannelsInUse;
gChannelsInUse = gFirstScopeChannel + gScopeChannelsInUse;
// Create hashes for digital channels
generateDigitalNames(gDigitalChannelsInUse, gDigitalChannelOffset, gHvDigitalInHashes);
/* HEAVY */
std::array<std::string, 8> outs = {{
"__hv_noteout",
"__hv_ctlout",
"__hv_pgmout",
"__hv_touchout",
"__hv_polytouchout",
"__hv_bendout",
"__hv_midiout",
}};
for(auto &st : outs)
{
// uncomment this if you want to display the hashes for midi
// outs. Then hardcode them in the switch() in sendHook()
printf("%s: %#x\n", st.c_str(), hv_stringToHash(st.c_str()));
}
hvMidiHashes[kmmNoteOn] = hv_stringToHash("__hv_notein");
// hvMidiHashes[kmmNoteOff] = hv_stringToHash("noteoff"); // this is handled differently, see the render function
hvMidiHashes[kmmControlChange] = hv_stringToHash("__hv_ctlin");
// Note that the ones below are not defined by Heavy, but they are here for (wishing) forward-compatibility
// You need to receive from the corresponding symbol in Pd and unpack the message, e.g.:
//[r __hv_pgmin]
//|
//[unpack f f]
//| |
//| [print pgmin_channel]
//[print pgmin_number]
hvMidiHashes[kmmProgramChange] = hv_stringToHash("__hv_pgmin");
hvMidiHashes[kmmPolyphonicKeyPressure] = hv_stringToHash("__hv_polytouchin");
hvMidiHashes[kmmChannelPressure] = hv_stringToHash("__hv_touchin");
hvMidiHashes[kmmPitchBend] = hv_stringToHash("__hv_bendin");
gHeavyContext = hv_bela_new_with_options(context->audioSampleRate, 10, 2, 0);
gHvInputChannels = hv_getNumInputChannels(gHeavyContext);
gHvOutputChannels = hv_getNumOutputChannels(gHeavyContext);
gScopeChannelsInUse = gHvOutputChannels > gFirstScopeChannel ?
gHvOutputChannels - gFirstScopeChannel : 0;
if(gDigitalEnabled)
{
gDigitalSigInChannelsInUse = gHvInputChannels > gFirstDigitalChannel ?
gHvInputChannels - gFirstDigitalChannel : 0;
gDigitalSigOutChannelsInUse = gHvOutputChannels > gFirstDigitalChannel ?
gHvOutputChannels - gFirstDigitalChannel - gScopeChannelsInUse: 0;
}
else
{
gDigitalSigInChannelsInUse = 0;
gDigitalSigOutChannelsInUse = 0;
}
printf("Starting Heavy context with %d input channels and %d output channels\n",
gHvInputChannels, gHvOutputChannels);
printf("Channels in use:\n");
printf("Digital in : %u, Digital out: %u\n", gDigitalSigInChannelsInUse, gDigitalSigOutChannelsInUse);
printf("Scope out: %u\n", gScopeChannelsInUse);
if(gHvInputChannels != 0) {
gHvInputBuffers = (float *)calloc(gHvInputChannels * context->audioFrames,sizeof(float));
}
if(gHvOutputChannels != 0) {
gHvOutputBuffers = (float *)calloc(gHvOutputChannels * context->audioFrames,sizeof(float));
}
gInverseSampleRate = 1.0 / context->audioSampleRate;
// Set heavy print hook
hv_setPrintHook(gHeavyContext, printHook);
// Set heavy send hook
hv_setSendHook(gHeavyContext, sendHook);
// add here other devices you need
gMidiPortNames.push_back("hw:1,0,0");
//gMidiPortNames.push_back("hw:0,0,0");
//gMidiPortNames.push_back("hw:1,0,1");
unsigned int n = 0;
while(n < gMidiPortNames.size())
{
Midi* newMidi = openMidiDevice(gMidiPortNames[n], true, true);
if(newMidi)
{
midi.push_back(newMidi);
++n;
} else {
gMidiPortNames.erase(gMidiPortNames.begin() + n);
}
}
dumpMidi();
if(gScopeChannelsInUse > 0){
#if __clang_major__ == 3 && __clang_minor__ == 8
fprintf(stderr, "Scope currently not supported when compiling heavy with clang3.8, see #265 https://github.com/BelaPlatform/Bela/issues/265. You should specify `COMPILER gcc;` in your Makefile options\n");
exit(1);
#endif
scope = new Scope();
scope->setup(gScopeChannelsInUse, context->audioSampleRate);
gScopeOut = new float[gScopeChannelsInUse];
}
// Bela digital
if(gDigitalEnabled)
{
dcm.setCallback(sendDigitalMessage);
if(gDigitalChannelsInUse> 0){
for(unsigned int ch = 0; ch < gDigitalChannelsInUse; ++ch){
dcm.setCallbackArgument(ch, (void *) gHvDigitalInHashes[ch].c_str());
}
}
}
// unlike libpd, no need here to bind the bela_digitalOut.. receivers
// but make sure you do something like [send receiverName @hv_param]
// when you want to send a message from Heavy to the wrapper.
multiplexerTableHash = hv_stringToHash(multiplexerArray);
if(context->multiplexerChannels > 0){
pdMultiplexerActive = true;
multiplexerArraySize = context->multiplexerChannels * context->analogInChannels;
hv_table_setLength(gHeavyContext, multiplexerTableHash, multiplexerArraySize);
hv_sendFloatToReceiver(gHeavyContext, hv_stringToHash("bela_multiplexerChannels"), context->multiplexerChannels);
}
// MODIFICATION START
//touchSensor.setup(1, 0x18, Trill::DIFF,20,2);
touchSensorMain.setup(1, 0x18, Trill::DIFF,2,2);
Bela_scheduleAuxiliaryTask(Bela_createAuxiliaryTask(readCapSensorLoop, 50, "touchSensorRead", NULL));
bela_trill_main_hash = hv_stringToHash("bela_Trill_main");
// MODIFICATION END
return true;
}
void render(BelaContext *context, void *userData)
{
// MODIFICATION START
//main_sensor
int numElements = touchSensorMain.numSensors() + 1;
HvMessage *msg = (HvMessage *) hv_alloca(hv_msg_getByteSize(numElements));
hv_msg_init(msg, numElements, 0.0);
hv_msg_setFloat(msg, 0, touchSensorMain.numSensors());
double delayMs = 0.0;
for(unsigned int n = 0; n < touchSensorMain.numSensors(); ++n)
{
hv_msg_setFloat(msg, 1 + n, touchSensorMain.rawData[n]/(2048.f));
}
hv_sendMessageToReceiver(gHeavyContext, bela_trill_main_hash, delayMs, msg);
// MODIFICATION END
int num;
for(unsigned int port = 0; port < midi.size(); ++port){
while((num = midi[port]->getParser()->numAvailableMessages()) > 0){
static MidiChannelMessage message;
unsigned int channelOffset = port * 16 + 1; // remove + 1 if you want your first channel to be 0 (libpd-style)
message = midi[port]->getParser()->getNextChannelMessage();
switch(message.getType()){
case kmmNoteOn: {
//message.prettyPrint();
int noteNumber = message.getDataByte(0);
int velocity = message.getDataByte(1);
int channel = message.getChannel();
// rt_printf("message: noteNumber: %f, velocity: %f, channel: %f\n", noteNumber, velocity, channel);
hv_sendMessageToReceiverV(gHeavyContext, hvMidiHashes[kmmNoteOn], 0, "fff",
(float)noteNumber, (float)velocity, (float)channel + channelOffset);
break;
}
case kmmNoteOff: {
/* PureData does not seem to handle noteoff messages as per the MIDI specs,
* so that the noteoff velocity is ignored. Here we convert them to noteon
* with a velocity of 0.
*/
int noteNumber = message.getDataByte(0);
// int velocity = message.getDataByte(1); // would be ignored by Pd
int channel = message.getChannel();
// note we are sending the below to hvHashes[kmmNoteOn] !!
hv_sendMessageToReceiverV(gHeavyContext, hvMidiHashes[kmmNoteOn], 0, "fff",
(float)noteNumber, (float)0, (float)channel + channelOffset);
break;
}
case kmmControlChange: {
int channel = message.getChannel();
int controller = message.getDataByte(0);
int value = message.getDataByte(1);
hv_sendMessageToReceiverV(gHeavyContext, hvMidiHashes[kmmControlChange], 0, "fff",
(float)value, (float)controller, (float)channel + channelOffset);
break;
}
case kmmProgramChange: {
int channel = message.getChannel();
int program = message.getDataByte(0);
hv_sendMessageToReceiverV(gHeavyContext, hvMidiHashes[kmmProgramChange], 0, "ff",
(float)program, (float)channel + channelOffset);
break;
}
case kmmPolyphonicKeyPressure: {
//TODO: untested, I do not have anything with polyTouch... who does, anyhow?
int channel = message.getChannel();
int pitch = message.getDataByte(0);
int value = message.getDataByte(1);
hv_sendMessageToReceiverV(gHeavyContext, hvMidiHashes[kmmPolyphonicKeyPressure], 0, "fff",
(float)channel + channelOffset, (float)pitch, (float)value);
break;
}
case kmmChannelPressure:
{
int channel = message.getChannel();
int value = message.getDataByte(0);
hv_sendMessageToReceiverV(gHeavyContext, hvMidiHashes[kmmChannelPressure], 0, "ff",
(float)value, (float)channel + channelOffset);
break;
}
case kmmPitchBend:
{
int channel = message.getChannel();
int value = ((message.getDataByte(1) << 7) | message.getDataByte(0));
hv_sendMessageToReceiverV(gHeavyContext, hvMidiHashes[kmmPitchBend], 0, "ff",
(float)value, (float)channel + channelOffset);
break;
}
case kmmSystem:
case kmmNone:
case kmmAny:
break;
}
}
}
// De-interleave the data
if(gHvInputBuffers != NULL) {
for(unsigned int n = 0; n < context->audioFrames; n++) {
for(unsigned int ch = 0; ch < gHvInputChannels; ch++) {
if(ch >= gAudioChannelsInUse + gAnalogChannelsInUse) {
// THESE ARE PARAMETER INPUT 'CHANNELS' USED FOR ROUTING
// 'sensor' outputs from routing channels of dac~ are passed through here
// these could be also digital channels (handled by the dcm)
// or parameter channels used for routing (currently unhandled)
break;
} else {
// If more than 2 ADC inputs are used in the pd patch, route the analog inputs
// i.e. ADC3->analogIn0 etc. (first two are always audio inputs)
if(ch >= gAudioChannelsInUse)
{
unsigned int analogCh = ch - gAudioChannelsInUse;
if(analogCh < context->analogInChannels)
{
int m = n/2;
float mIn = analogRead(context, m, analogCh);
gHvInputBuffers[ch * context->audioFrames + n] = mIn;
}
} else {
if(ch < context->audioInChannels)
gHvInputBuffers[ch * context->audioFrames + n] = audioRead(context, n, ch);
}
}
}
}
}
if(pdMultiplexerActive){
static int lastMuxerUpdate = 0;
if(++lastMuxerUpdate == multiplexerArraySize){
lastMuxerUpdate = 0;
memcpy(hv_table_getBuffer(gHeavyContext, multiplexerTableHash), (float *const)context->multiplexerAnalogIn, multiplexerArraySize * sizeof(float));
}
}
// Bela digital in
if(gDigitalEnabled)
{
// note: in multiple places below we assume that the number of digital frames is same as number of audio
// Bela digital in at message-rate
dcm.processInput(context->digital, context->digitalFrames);
// Bela digital in at signal-rate
if(gDigitalSigInChannelsInUse > 0)
{
unsigned int j, k;
float *p0, *p1;
const unsigned int gLibpdBlockSize = context->audioFrames;
const unsigned int audioFrameBase = 0;
float* gInBuf = gHvInputBuffers;
// block below copy/pasted from libpd, except
// 16 has been replaced with gDigitalSigInChannelsInUse
for (j = 0, p0 = gInBuf; j < gLibpdBlockSize; j++, p0++) {
unsigned int digitalFrame = audioFrameBase + j;
for (k = 0, p1 = p0 + gLibpdBlockSize * gFirstDigitalChannel;
k < gDigitalSigInChannelsInUse; ++k, p1 += gLibpdBlockSize) {
if(dcm.isSignalRate(k) && dcm.isInput(k)){ // only process input channels that are handled at signal rate
*p1 = digitalRead(context, digitalFrame, k);
}
}
}
}
}
// replacement for bang~ object
//hv_sendMessageToReceiverV(gHeavyContext, "bela_bang", 0.0f, "b");
// heavy audio callback
hv_processInline(gHeavyContext, gHvInputBuffers, gHvOutputBuffers, context->audioFrames);
/*
for(int n = 0; n < context->audioFrames*gHvOutputChannels; ++n)
{
printf("%.3f, ", gHvOutputBuffers[n]);
if(n % context->audioFrames == context->audioFrames - 1)
printf("\n");
}
*/
// Bela digital out
if(gDigitalEnabled)
{
// Bela digital out at signal-rate
if(gDigitalSigOutChannelsInUse > 0)
{
unsigned int j, k;
float *p0, *p1;
const unsigned int gLibpdBlockSize = context->audioFrames;
const unsigned int audioFrameBase = 0;
float* gOutBuf = gHvOutputBuffers;
// block below copy/pasted from libpd, except
// context->digitalChannels has been replaced with gDigitalSigOutChannelsInUse
for (j = 0, p0 = gOutBuf; j < gLibpdBlockSize; ++j, ++p0) {
unsigned int digitalFrame = (audioFrameBase + j);
for (k = 0, p1 = p0 + gLibpdBlockSize * gFirstDigitalChannel;
k < gDigitalSigOutChannelsInUse; k++, p1 += gLibpdBlockSize) {
if(dcm.isSignalRate(k) && dcm.isOutput(k)){ // only process output channels that are handled at signal rate
digitalWriteOnce(context, digitalFrame, k, *p1 > 0.5);
}
}
}
}
// Bela digital out at message-rate
dcm.processOutput(context->digital, context->digitalFrames);
}
// Bela scope
if(gScopeChannelsInUse > 0)
{
unsigned int j, k;
float *p0, *p1;
const unsigned int gLibpdBlockSize = context->audioFrames;
float* gOutBuf = gHvOutputBuffers;
// block below copy/pasted from libpd
for (j = 0, p0 = gOutBuf; j < gLibpdBlockSize; ++j, ++p0) {
for (k = 0, p1 = p0 + gLibpdBlockSize * gFirstScopeChannel; k < gScopeChannelsInUse; k++, p1 += gLibpdBlockSize) {
gScopeOut[k] = *p1;
}
scope->log(gScopeOut);
}
}
// Interleave the output data
if(gHvOutputBuffers != NULL) {
for(unsigned int n = 0; n < context->audioFrames; n++) {
for(unsigned int ch = 0; ch < gHvOutputChannels; ch++) {
if(ch >= gAudioChannelsInUse + gAnalogChannelsInUse) {
// THESE ARE SENSOR OUTPUT 'CHANNELS' USED FOR ROUTING
// they are the content of the 'sensor output' dac~ channels
} else {
if(ch >= gAudioChannelsInUse) {
int m = n/2;
unsigned int analogCh = ch - gAudioChannelsInUse;
if(analogCh < context->analogOutChannels)
analogWriteOnce(context, m, analogCh, gHvOutputBuffers[ch*context->audioFrames + n]);
} else {
if(ch < context->audioOutChannels)
audioWrite(context, n, ch, gHvOutputBuffers[ch * context->audioFrames + n]);
}
}
}
}
}
}
void cleanup(BelaContext *context, void *userData)
{
hv_delete(gHeavyContext);
free(gHvInputBuffers);
free(gHvOutputBuffers);
delete[] gScopeOut;
delete scope;
}
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