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Carla
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Move some stuff around; This breaks the build, sorry, to fix asap

tags/1.9.4
falkTX 11 years ago
parent
e3ded0a744
commit
dcb5b0b6e6
7 changed files with 992 additions and 1096 deletions
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  1. +50
    -50
      source/backend/CarlaEngine.hpp
  2. +334
    -0
      source/backend/engine/CarlaEngine.cpp
  3. +0
    -115
      source/backend/engine/CarlaEngineClient.cpp
  4. +0
    -285
      source/backend/engine/CarlaEngineData.cpp
  5. +108
    -537
      source/backend/engine/CarlaEngineInternal.cpp
  6. +69
    -109
      source/backend/engine/CarlaEngineInternal.hpp
  7. +431
    -0
      source/backend/engine/CarlaEngineProtectedData.cpp

+ 50
- 50
source/backend/CarlaEngine.hpp View File

@@ -46,34 +46,34 @@ CARLA_BACKEND_START_NAMESPACE
*/
enum EngineType {
/*!
* Null engine type.
*/
* Null engine type.
*/
kEngineTypeNull = 0,

/*!
* JACK engine type.\n
* Provides all processing modes.
*/
* JACK engine type.\n
* Provides all processing modes.
*/
kEngineTypeJack = 1,

/*!
* Juce engine type, used to provide Native Audio and MIDI support.
*/
* Juce engine type, used to provide Native Audio and MIDI support.
*/
kEngineTypeJuce = 2,

/*!
* RtAudio engine type, used to provide Native Audio and MIDI support.
*/
* RtAudio engine type, used to provide Native Audio and MIDI support.
*/
kEngineTypeRtAudio = 3,

/*!
* Plugin engine type, used to export the engine as a plugin.
*/
* Plugin engine type, used to export the engine as a plugin.
*/
kEngineTypePlugin = 4,

/*!
* Bridge engine type, used in BridgePlugin class.
*/
* Bridge engine type, used in BridgePlugin class.
*/
kEngineTypeBridge = 5
};

@@ -82,26 +82,26 @@ enum EngineType {
*/
enum EnginePortType {
/*!
* Null port type.
*/
* Null port type.
*/
kEnginePortTypeNull = 0,

/*!
* Audio port type.
* \see CarlaEngineAudioPort
*/
* Audio port type.
* \see CarlaEngineAudioPort
*/
kEnginePortTypeAudio = 1,

/*!
* CV port type.
* \see CarlaEngineCVPort
*/
* CV port type.
* \see CarlaEngineCVPort
*/
kEnginePortTypeCV = 2,

/*!
* Event port type (Control or MIDI).
** \see CarlaEngineEventPort
*/
* Event port type (Control or MIDI).
* \see CarlaEngineEventPort
*/
kEnginePortTypeEvent = 3
};

@@ -110,20 +110,20 @@ enum EnginePortType {
*/
enum EngineEventType {
/*!
* Null port type.
*/
* Null port type.
*/
kEngineEventTypeNull = 0,

/*!
* Control event type.
* \see EngineControlEvent
*/
* Control event type.
* \see EngineControlEvent
*/
kEngineEventTypeControl = 1,

/*!
* MIDI event type.
* \see EngineMidiEvent
*/
* MIDI event type.
* \see EngineMidiEvent
*/
kEngineEventTypeMidi = 2
};

@@ -132,34 +132,34 @@ enum EngineEventType {
*/
enum EngineControlEventType {
/*!
* Null event type.
*/
* Null event type.
*/
kEngineControlEventTypeNull = 0,

/*!
* Parameter event type.\n
* \note Value uses a normalized range of 0.0f<->1.0f.
*/
* Parameter event type.\n
* \note Value uses a normalized range of 0.0f<->1.0f.
*/
kEngineControlEventTypeParameter = 1,

/*!
* MIDI Bank event type.
*/
* MIDI Bank event type.
*/
kEngineControlEventTypeMidiBank = 2,

/*!
* MIDI Program change event type.
*/
* MIDI Program change event type.
*/
kEngineControlEventTypeMidiProgram = 3,

/*!
* All sound off event type.
*/
* All sound off event type.
*/
kEngineControlEventTypeAllSoundOff = 4,

/*!
* All notes off event type.
*/
* All notes off event type.
*/
kEngineControlEventTypeAllNotesOff = 5
};

@@ -174,9 +174,9 @@ struct EngineControlEvent {
float value; //!< Parameter value, normalized to 0.0f<->1.0f.

/*!
* Dump control event as MIDI data.
* Convert this control event to MIDI data.
*/
void dumpToMidiData(const uint8_t channel, uint8_t& size, uint8_t data[3]) const noexcept;
void convertToMidiData(const uint8_t channel, uint8_t& size, uint8_t data[3]) const noexcept;
};

/*!
@@ -190,7 +190,7 @@ struct EngineMidiEvent {

/*!
* MIDI data, without channel bit.
* If size > kDataSize, dataExt is used.
* If size > kDataSize, dataExt is used (otherwise NULL).
*/
uint8_t data[kDataSize];
const uint8_t* dataExt;
@@ -213,7 +213,7 @@ struct EngineEvent {
};

/*!
* Fill event from MIDI data.
* Fill this event from MIDI data.
*/
void fillFromMidiData(const uint8_t size, const uint8_t* const data) noexcept;
};
@@ -584,7 +584,7 @@ public:
* Add a new port of type \a portType.
* \note This function does nothing in rack processing mode since ports are static there (2 audio + 1 event for both input and output).
*/
virtual CarlaEnginePort* addPort(const EnginePortType portType, const char* const name, const bool isInput) /*noexcept*/;
virtual CarlaEnginePort* addPort(const EnginePortType portType, const char* const name, const bool isInput) noexcept;

#ifndef DOXYGEN
protected:


+ 334
- 0
source/backend/engine/CarlaEngine.cpp View File

@@ -48,6 +48,340 @@ CARLA_BACKEND_START_NAMESPACE
} // Fix editor indentation
#endif

// -----------------------------------------------------------------------
// EngineControlEvent

void EngineControlEvent::convertToMidiData(const uint8_t channel, uint8_t& size, uint8_t data[3]) const noexcept
{
size = 0;

switch (type)
{
case kEngineControlEventTypeNull:
break;

case kEngineControlEventTypeParameter:
if (param >= MAX_MIDI_VALUE)
{
// out of bounds. do nothing
}
else if (MIDI_IS_CONTROL_BANK_SELECT(param))
{
size = 3;
data[0] = static_cast<uint8_t>(MIDI_STATUS_CONTROL_CHANGE | (channel & MIDI_CHANNEL_BIT));
data[1] = MIDI_CONTROL_BANK_SELECT;
data[2] = uint8_t(carla_fixValue<float>(0.0f, float(MAX_MIDI_VALUE-1), value));
}
else
{
size = 3;
data[0] = static_cast<uint8_t>(MIDI_STATUS_CONTROL_CHANGE | (channel & MIDI_CHANNEL_BIT));
data[1] = static_cast<uint8_t>(param);
data[2] = uint8_t(carla_fixValue<float>(0.0f, 1.0f, value) * float(MAX_MIDI_VALUE-1));
}
break;

case kEngineControlEventTypeMidiBank:
size = 3;
data[0] = static_cast<uint8_t>(MIDI_STATUS_CONTROL_CHANGE | (channel & MIDI_CHANNEL_BIT));
data[1] = MIDI_CONTROL_BANK_SELECT;
data[2] = uint8_t(carla_fixValue<uint16_t>(0, MAX_MIDI_VALUE-1, param));
break;

case kEngineControlEventTypeMidiProgram:
size = 2;
data[0] = static_cast<uint8_t>(MIDI_STATUS_PROGRAM_CHANGE | (channel & MIDI_CHANNEL_BIT));
data[1] = uint8_t(carla_fixValue<uint16_t>(0, MAX_MIDI_VALUE-1, param));
break;

case kEngineControlEventTypeAllSoundOff:
size = 2;
data[0] = static_cast<uint8_t>(MIDI_STATUS_CONTROL_CHANGE | (channel & MIDI_CHANNEL_BIT));
data[1] = MIDI_CONTROL_ALL_SOUND_OFF;
break;

case kEngineControlEventTypeAllNotesOff:
size = 2;
data[0] = static_cast<uint8_t>(MIDI_STATUS_CONTROL_CHANGE | (channel & MIDI_CHANNEL_BIT));
data[1] = MIDI_CONTROL_ALL_NOTES_OFF;
break;
}
}

// -----------------------------------------------------------------------
// EngineEvent

void EngineEvent::fillFromMidiData(const uint8_t size, const uint8_t* const data) noexcept
{
if (size == 0 || data == nullptr || data[0] < MIDI_STATUS_NOTE_OFF)
{
type = kEngineEventTypeNull;
channel = 0;
return;
}

// get channel
channel = uint8_t(MIDI_GET_CHANNEL_FROM_DATA(data));

// get status
const uint8_t midiStatus(uint8_t(MIDI_GET_STATUS_FROM_DATA(data)));

if (midiStatus == MIDI_STATUS_CONTROL_CHANGE)
{
type = kEngineEventTypeControl;

const uint8_t midiControl(data[1]);

if (MIDI_IS_CONTROL_BANK_SELECT(midiControl))
{
CARLA_SAFE_ASSERT_INT(size == 3, size);

const uint8_t midiBank(data[2]);

ctrl.type = kEngineControlEventTypeMidiBank;
ctrl.param = midiBank;
ctrl.value = 0.0f;
}
else if (midiControl == MIDI_CONTROL_ALL_SOUND_OFF)
{
CARLA_SAFE_ASSERT_INT(size == 2, size);

ctrl.type = kEngineControlEventTypeAllSoundOff;
ctrl.param = 0;
ctrl.value = 0.0f;
}
else if (midiControl == MIDI_CONTROL_ALL_NOTES_OFF)
{
CARLA_SAFE_ASSERT_INT(size == 2, size);

ctrl.type = kEngineControlEventTypeAllNotesOff;
ctrl.param = 0;
ctrl.value = 0.0f;
}
else
{
CARLA_SAFE_ASSERT_INT2(size == 3, size, midiControl);

const uint8_t midiValue(carla_fixValue<uint8_t>(0, 127, data[2])); // ensures 0.0<->1.0 value range

ctrl.type = kEngineControlEventTypeParameter;
ctrl.param = midiControl;
ctrl.value = float(midiValue)/127.0f;
}
}
else if (midiStatus == MIDI_STATUS_PROGRAM_CHANGE)
{
CARLA_SAFE_ASSERT_INT2(size == 2, size, data[1]);

type = kEngineEventTypeControl;

const uint8_t midiProgram(data[1]);

ctrl.type = kEngineControlEventTypeMidiProgram;
ctrl.param = midiProgram;
ctrl.value = 0.0f;
}
else
{
type = kEngineEventTypeMidi;

midi.port = 0;
midi.size = size;

if (size > EngineMidiEvent::kDataSize)
{
midi.dataExt = data;
std::memset(midi.data, 0, sizeof(uint8_t)*EngineMidiEvent::kDataSize);
}
else
{
midi.data[0] = midiStatus;

uint8_t i=1;
for (; i < midi.size; ++i)
midi.data[i] = data[i];
for (; i < EngineMidiEvent::kDataSize; ++i)
midi.data[i] = 0;

midi.dataExt = nullptr;
}
}
}

// -----------------------------------------------------------------------
// EngineOptions

EngineOptions::EngineOptions() noexcept
#ifdef CARLA_OS_LINUX
: processMode(ENGINE_PROCESS_MODE_MULTIPLE_CLIENTS),
transportMode(ENGINE_TRANSPORT_MODE_JACK),
#else
: processMode(ENGINE_PROCESS_MODE_CONTINUOUS_RACK),
transportMode(ENGINE_TRANSPORT_MODE_INTERNAL),
#endif
forceStereo(false),
preferPluginBridges(false),
preferUiBridges(true),
uisAlwaysOnTop(true),
maxParameters(MAX_DEFAULT_PARAMETERS),
uiBridgesTimeout(4000),
audioNumPeriods(2),
audioBufferSize(512),
audioSampleRate(44100),
audioDevice(nullptr),
binaryDir(nullptr),
resourceDir(nullptr),
frontendWinId(0) {}

EngineOptions::~EngineOptions() noexcept
{
if (audioDevice != nullptr)
{
delete[] audioDevice;
audioDevice = nullptr;
}

if (binaryDir != nullptr)
{
delete[] binaryDir;
binaryDir = nullptr;
}

if (resourceDir != nullptr)
{
delete[] resourceDir;
resourceDir = nullptr;
}
}

// -----------------------------------------------------------------------
// EngineTimeInfoBBT

EngineTimeInfoBBT::EngineTimeInfoBBT() noexcept
: bar(0),
beat(0),
tick(0),
barStartTick(0.0),
beatsPerBar(0.0f),
beatType(0.0f),
ticksPerBeat(0.0),
beatsPerMinute(0.0) {}

// -----------------------------------------------------------------------
// EngineTimeInfo

EngineTimeInfo::EngineTimeInfo() noexcept
: playing(false),
frame(0),
usecs(0),
valid(0x0) {}

void EngineTimeInfo::clear() noexcept
{
playing = false;
frame = 0;
usecs = 0;
valid = 0x0;
}

bool EngineTimeInfo::operator==(const EngineTimeInfo& timeInfo) const noexcept
{
if (timeInfo.playing != playing || timeInfo.frame != frame || timeInfo.valid != valid)
return false;
if ((valid & kValidBBT) == 0)
return true;
if (timeInfo.bbt.beatsPerMinute != bbt.beatsPerMinute)
return false;
return true;
}

bool EngineTimeInfo::operator!=(const EngineTimeInfo& timeInfo) const noexcept
{
return !operator==(timeInfo);
}

// -----------------------------------------------------------------------
// Carla Engine client (Abstract)

CarlaEngineClient::CarlaEngineClient(const CarlaEngine& engine)
: fEngine(engine),
fActive(false),
fLatency(0)
{
carla_debug("CarlaEngineClient::CarlaEngineClient()");
}

CarlaEngineClient::~CarlaEngineClient()
{
CARLA_SAFE_ASSERT(! fActive);
carla_debug("CarlaEngineClient::~CarlaEngineClient()");
}

void CarlaEngineClient::activate() noexcept
{
CARLA_SAFE_ASSERT(! fActive);
carla_debug("CarlaEngineClient::activate()");

fActive = true;
}

void CarlaEngineClient::deactivate() noexcept
{
CARLA_SAFE_ASSERT(fActive);
carla_debug("CarlaEngineClient::deactivate()");

fActive = false;
}

bool CarlaEngineClient::isActive() const noexcept
{
return fActive;
}

bool CarlaEngineClient::isOk() const noexcept
{
return true;
}

uint32_t CarlaEngineClient::getLatency() const noexcept
{
return fLatency;
}

void CarlaEngineClient::setLatency(const uint32_t samples) noexcept
{
fLatency = samples;
}

CarlaEnginePort* CarlaEngineClient::addPort(const EnginePortType portType, const char* const name, const bool isInput) noexcept
{
CARLA_SAFE_ASSERT_RETURN(name != nullptr && name[0] != '\0', nullptr);
carla_debug("CarlaEngineClient::addPort(%i:%s, \"%s\", %s)", portType, EnginePortType2Str(portType), name, bool2str(isInput));

CarlaEnginePort* ret = nullptr;

try {
switch (portType)
{
case kEnginePortTypeNull:
break;
case kEnginePortTypeAudio:
ret = new CarlaEngineAudioPort(fEngine, isInput);
case kEnginePortTypeCV:
ret = new CarlaEngineCVPort(fEngine, isInput);
case kEnginePortTypeEvent:
ret = new CarlaEngineEventPort(fEngine, isInput);
}
}
CARLA_SAFE_EXCEPTION_RETURN("new CarlaEnginePort", nullptr);

if (ret != nullptr)
return ret;

carla_stderr("CarlaEngineClient::addPort(%i, \"%s\", %s) - invalid type", portType, name, bool2str(isInput));
return nullptr;
}

// -----------------------------------------------------------------------
// Carla Engine



+ 0
- 115
source/backend/engine/CarlaEngineClient.cpp View File

@@ -1,115 +0,0 @@
/*
* Carla Plugin Host
* Copyright (C) 2011-2014 Filipe Coelho <falktx@falktx.com>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* For a full copy of the GNU General Public License see the doc/GPL.txt file.
*/

#include "CarlaEngineInternal.hpp"
#include "CarlaEngineUtils.hpp"

// -----------------------------------------------------------------------

CARLA_BACKEND_START_NAMESPACE

#if 0
} // Fix editor indentation
#endif

// -----------------------------------------------------------------------
// Carla Engine client (Abstract)

CarlaEngineClient::CarlaEngineClient(const CarlaEngine& engine)
: fEngine(engine),
fActive(false),
fLatency(0)
{
carla_debug("CarlaEngineClient::CarlaEngineClient()");
}

CarlaEngineClient::~CarlaEngineClient()
{
CARLA_SAFE_ASSERT(! fActive);
carla_debug("CarlaEngineClient::~CarlaEngineClient()");
}

void CarlaEngineClient::activate() noexcept
{
CARLA_SAFE_ASSERT(! fActive);
carla_debug("CarlaEngineClient::activate()");

fActive = true;
}

void CarlaEngineClient::deactivate() noexcept
{
CARLA_SAFE_ASSERT(fActive);
carla_debug("CarlaEngineClient::deactivate()");

fActive = false;
}

bool CarlaEngineClient::isActive() const noexcept
{
return fActive;
}

bool CarlaEngineClient::isOk() const noexcept
{
return true;
}

uint32_t CarlaEngineClient::getLatency() const noexcept
{
return fLatency;
}

void CarlaEngineClient::setLatency(const uint32_t samples) noexcept
{
fLatency = samples;
}

CarlaEnginePort* CarlaEngineClient::addPort(const EnginePortType portType, const char* const name, const bool isInput) /*noexcept*/
{
CARLA_SAFE_ASSERT_RETURN(name != nullptr && name[0] != '\0', nullptr);
carla_debug("CarlaEngineClient::addPort(%i:%s, \"%s\", %s)", portType, EnginePortType2Str(portType), name, bool2str(isInput));

CarlaEnginePort* ret = nullptr;

try {
switch (portType)
{
case kEnginePortTypeNull:
break;
case kEnginePortTypeAudio:
ret = new CarlaEngineAudioPort(fEngine, isInput);
case kEnginePortTypeCV:
ret = new CarlaEngineCVPort(fEngine, isInput);
case kEnginePortTypeEvent:
ret = new CarlaEngineEventPort(fEngine, isInput);
}
}
catch(...) {
return nullptr;
}

if (ret != nullptr)
return ret;

carla_stderr("CarlaEngineClient::addPort(%i, \"%s\", %s) - invalid type", portType, name, bool2str(isInput));
return nullptr;
}

// -----------------------------------------------------------------------

CARLA_BACKEND_END_NAMESPACE

+ 0
- 285
source/backend/engine/CarlaEngineData.cpp View File

@@ -1,285 +0,0 @@
/*
* Carla Plugin Host
* Copyright (C) 2011-2014 Filipe Coelho <falktx@falktx.com>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* For a full copy of the GNU General Public License see the doc/GPL.txt file.
*/

#include "CarlaEngineInternal.hpp"
#include "CarlaMIDI.h"

#include "CarlaMathUtils.hpp"

// -----------------------------------------------------------------------

CARLA_BACKEND_START_NAMESPACE

#if 0
} // Fix editor indentation
#endif

// -----------------------------------------------------------------------
// EngineControlEvent

void EngineControlEvent::dumpToMidiData(const uint8_t channel, uint8_t& size, uint8_t data[3]) const noexcept
{
size = 0;

switch (type)
{
case kEngineControlEventTypeNull:
break;

case kEngineControlEventTypeParameter:
if (param >= MAX_MIDI_VALUE)
{
// out of bounds. do nothing
}
else if (MIDI_IS_CONTROL_BANK_SELECT(param))
{
size = 3;
data[0] = static_cast<uint8_t>(MIDI_STATUS_CONTROL_CHANGE | (channel & MIDI_CHANNEL_BIT));
data[1] = MIDI_CONTROL_BANK_SELECT;
data[2] = uint8_t(carla_fixValue<float>(0.0f, float(MAX_MIDI_VALUE-1), value));
}
else
{
size = 3;
data[0] = static_cast<uint8_t>(MIDI_STATUS_CONTROL_CHANGE | (channel & MIDI_CHANNEL_BIT));
data[1] = static_cast<uint8_t>(param);
data[2] = uint8_t(carla_fixValue<float>(0.0f, 1.0f, value) * float(MAX_MIDI_VALUE-1));
}
break;

case kEngineControlEventTypeMidiBank:
size = 3;
data[0] = static_cast<uint8_t>(MIDI_STATUS_CONTROL_CHANGE | (channel & MIDI_CHANNEL_BIT));
data[1] = MIDI_CONTROL_BANK_SELECT;
data[2] = uint8_t(carla_fixValue<uint16_t>(0, MAX_MIDI_VALUE-1, param));
break;

case kEngineControlEventTypeMidiProgram:
size = 2;
data[0] = static_cast<uint8_t>(MIDI_STATUS_PROGRAM_CHANGE | (channel & MIDI_CHANNEL_BIT));
data[1] = uint8_t(carla_fixValue<uint16_t>(0, MAX_MIDI_VALUE-1, param));
break;

case kEngineControlEventTypeAllSoundOff:
size = 2;
data[0] = static_cast<uint8_t>(MIDI_STATUS_CONTROL_CHANGE | (channel & MIDI_CHANNEL_BIT));
data[1] = MIDI_CONTROL_ALL_SOUND_OFF;
break;

case kEngineControlEventTypeAllNotesOff:
size = 2;
data[0] = static_cast<uint8_t>(MIDI_STATUS_CONTROL_CHANGE | (channel & MIDI_CHANNEL_BIT));
data[1] = MIDI_CONTROL_ALL_NOTES_OFF;
break;
}
}

// -----------------------------------------------------------------------
// EngineEvent

void EngineEvent::fillFromMidiData(const uint8_t size, const uint8_t* const data) noexcept
{
if (size == 0 || data == nullptr || data[0] < MIDI_STATUS_NOTE_OFF)
{
type = kEngineEventTypeNull;
channel = 0;
return;
}

// get channel
channel = uint8_t(MIDI_GET_CHANNEL_FROM_DATA(data));

// get status
const uint8_t midiStatus(uint8_t(MIDI_GET_STATUS_FROM_DATA(data)));

if (midiStatus == MIDI_STATUS_CONTROL_CHANGE)
{
type = kEngineEventTypeControl;

const uint8_t midiControl(data[1]);

if (MIDI_IS_CONTROL_BANK_SELECT(midiControl))
{
CARLA_SAFE_ASSERT_INT(size == 3, size);

const uint8_t midiBank(data[2]);

ctrl.type = kEngineControlEventTypeMidiBank;
ctrl.param = midiBank;
ctrl.value = 0.0f;
}
else if (midiControl == MIDI_CONTROL_ALL_SOUND_OFF)
{
CARLA_SAFE_ASSERT_INT(size == 2, size);

ctrl.type = kEngineControlEventTypeAllSoundOff;
ctrl.param = 0;
ctrl.value = 0.0f;
}
else if (midiControl == MIDI_CONTROL_ALL_NOTES_OFF)
{
CARLA_SAFE_ASSERT_INT(size == 2, size);

ctrl.type = kEngineControlEventTypeAllNotesOff;
ctrl.param = 0;
ctrl.value = 0.0f;
}
else
{
CARLA_SAFE_ASSERT_INT2(size == 3, size, midiControl);

const uint8_t midiValue(carla_fixValue<uint8_t>(0, 127, data[2])); // ensures 0.0<->1.0 value range

ctrl.type = kEngineControlEventTypeParameter;
ctrl.param = midiControl;
ctrl.value = float(midiValue)/127.0f;
}
}
else if (midiStatus == MIDI_STATUS_PROGRAM_CHANGE)
{
CARLA_SAFE_ASSERT_INT2(size == 2, size, data[1]);

type = kEngineEventTypeControl;

const uint8_t midiProgram(data[1]);

ctrl.type = kEngineControlEventTypeMidiProgram;
ctrl.param = midiProgram;
ctrl.value = 0.0f;
}
else
{
type = kEngineEventTypeMidi;

midi.port = 0;
midi.size = size;

if (size > EngineMidiEvent::kDataSize)
{
midi.dataExt = data;
std::memset(midi.data, 0, sizeof(uint8_t)*EngineMidiEvent::kDataSize);
}
else
{
midi.data[0] = midiStatus;

uint8_t i=1;
for (; i < midi.size; ++i)
midi.data[i] = data[i];
for (; i < EngineMidiEvent::kDataSize; ++i)
midi.data[i] = 0;

midi.dataExt = nullptr;
}
}
}

// -----------------------------------------------------------------------
// EngineOptions

EngineOptions::EngineOptions() noexcept
#ifdef CARLA_OS_LINUX
: processMode(ENGINE_PROCESS_MODE_MULTIPLE_CLIENTS),
transportMode(ENGINE_TRANSPORT_MODE_JACK),
#else
: processMode(ENGINE_PROCESS_MODE_CONTINUOUS_RACK),
transportMode(ENGINE_TRANSPORT_MODE_INTERNAL),
#endif
forceStereo(false),
preferPluginBridges(false),
preferUiBridges(true),
uisAlwaysOnTop(true),
maxParameters(MAX_DEFAULT_PARAMETERS),
uiBridgesTimeout(4000),
audioNumPeriods(2),
audioBufferSize(512),
audioSampleRate(44100),
audioDevice(nullptr),
binaryDir(nullptr),
resourceDir(nullptr),
frontendWinId(0) {}

EngineOptions::~EngineOptions() noexcept
{
if (audioDevice != nullptr)
{
delete[] audioDevice;
audioDevice = nullptr;
}

if (binaryDir != nullptr)
{
delete[] binaryDir;
binaryDir = nullptr;
}

if (resourceDir != nullptr)
{
delete[] resourceDir;
resourceDir = nullptr;
}
}

// -----------------------------------------------------------------------
// EngineTimeInfoBBT

EngineTimeInfoBBT::EngineTimeInfoBBT() noexcept
: bar(0),
beat(0),
tick(0),
barStartTick(0.0),
beatsPerBar(0.0f),
beatType(0.0f),
ticksPerBeat(0.0),
beatsPerMinute(0.0) {}

// -----------------------------------------------------------------------
// EngineTimeInfo

EngineTimeInfo::EngineTimeInfo() noexcept
: playing(false),
frame(0),
usecs(0),
valid(0x0) {}

void EngineTimeInfo::clear() noexcept
{
playing = false;
frame = 0;
usecs = 0;
valid = 0x0;
}

bool EngineTimeInfo::operator==(const EngineTimeInfo& timeInfo) const noexcept
{
if (timeInfo.playing != playing || timeInfo.frame != frame || timeInfo.valid != valid)
return false;
if ((valid & kValidBBT) == 0)
return true;
if (timeInfo.bbt.beatsPerMinute != bbt.beatsPerMinute)
return false;
return true;
}

bool EngineTimeInfo::operator!=(const EngineTimeInfo& timeInfo) const noexcept
{
return !operator==(timeInfo);
}

// -----------------------------------------------------------------------

CARLA_BACKEND_END_NAMESPACE

+ 108
- 537
source/backend/engine/CarlaEngineInternal.cpp View File

@@ -29,6 +29,104 @@ CARLA_BACKEND_START_NAMESPACE
} // Fix editor indentation
#endif

// -----------------------------------------------------------------------
// Rack Patchbay stuff

enum RackPatchbayGroupIds {
RACK_PATCHBAY_GROUP_CARLA = 0,
RACK_PATCHBAY_GROUP_AUDIO = 1,
RACK_PATCHBAY_GROUP_MIDI = 2,
RACK_PATCHBAY_GROUP_MAX = 3
};

enum RackPatchbayCarlaPortIds {
RACK_PATCHBAY_CARLA_PORT_NULL = 0,
RACK_PATCHBAY_CARLA_PORT_AUDIO_IN1 = 1,
RACK_PATCHBAY_CARLA_PORT_AUDIO_IN2 = 2,
RACK_PATCHBAY_CARLA_PORT_AUDIO_OUT1 = 3,
RACK_PATCHBAY_CARLA_PORT_AUDIO_OUT2 = 4,
RACK_PATCHBAY_CARLA_PORT_MIDI_IN = 5,
RACK_PATCHBAY_CARLA_PORT_MIDI_OUT = 6,
RACK_PATCHBAY_CARLA_PORT_MAX = 7
};

struct PortNameToId {
int portId;
char name[STR_MAX+1];
};

struct ConnectionToId {
uint id;
int groupA;
int portA;
int groupB;
int portB;
};

static inline
int getCarlaRackPortIdFromName(const char* const shortname) noexcept
{
if (std::strcmp(shortname, "AudioIn1") == 0)
return RACK_PATCHBAY_CARLA_PORT_AUDIO_IN1;
if (std::strcmp(shortname, "AudioIn2") == 0)
return RACK_PATCHBAY_CARLA_PORT_AUDIO_IN2;
if (std::strcmp(shortname, "AudioOut1") == 0)
return RACK_PATCHBAY_CARLA_PORT_AUDIO_OUT1;
if (std::strcmp(shortname, "AudioOut2") == 0)
return RACK_PATCHBAY_CARLA_PORT_AUDIO_OUT2;
if (std::strcmp(shortname, "MidiIn") == 0)
return RACK_PATCHBAY_CARLA_PORT_MIDI_IN;
if (std::strcmp(shortname, "MidiOut") == 0)
return RACK_PATCHBAY_CARLA_PORT_MIDI_OUT;
return RACK_PATCHBAY_CARLA_PORT_NULL;
}

// -----------------------------------------------------------------------
// EngineRackBuffers

struct EngineRackBuffers {
float* in[2];
float* out[2];

// connections stuff
LinkedList<int> connectedIn1;
LinkedList<int> connectedIn2;
LinkedList<int> connectedOut1;
LinkedList<int> connectedOut2;
CarlaCriticalSection connectLock;

uint lastConnectionId;
LinkedList<ConnectionToId> usedConnections;

EngineRackBuffers(const uint32_t bufferSize);
~EngineRackBuffers() noexcept;
void clear() noexcept;
void resize(const uint32_t bufferSize);

bool connect(CarlaEngine* const engine, const int groupA, const int portA, const int groupB, const int port) noexcept;
bool disconnect(const uint connectionId);

const char* const* getConnections() const;

CARLA_DECLARE_NON_COPY_STRUCT(EngineRackBuffers)
};

// -----------------------------------------------------------------------
// EnginePatchbayBuffers

struct EnginePatchbayBuffers {
// TODO
EnginePatchbayBuffers(const uint32_t bufferSize);
~EnginePatchbayBuffers() noexcept;
void clear() noexcept;
void resize(const uint32_t bufferSize);

bool connect(CarlaEngine* const engine, const int groupA, const int portA, const int groupB, const int port) noexcept;
const char* const* getConnections() const;

CARLA_DECLARE_NON_COPY_STRUCT(EnginePatchbayBuffers)
};

// -----------------------------------------------------------------------
// EngineRackBuffers

@@ -299,564 +397,37 @@ const char* const* EnginePatchbayBuffers::getConnections() const
}

// -----------------------------------------------------------------------
// InternalAudio

EngineInternalAudio::EngineInternalAudio() noexcept
: isReady(false),
usePatchbay(false),
inCount(0),
outCount(0)
{
rack = nullptr;
}

EngineInternalAudio::~EngineInternalAudio() noexcept
{
CARLA_SAFE_ASSERT(! isReady);
CARLA_SAFE_ASSERT(rack == nullptr);
}

void EngineInternalAudio::initPatchbay() noexcept
{
if (usePatchbay)
{
CARLA_SAFE_ASSERT_RETURN(patchbay != nullptr,);

// TODO
}
else
{
CARLA_SAFE_ASSERT_RETURN(rack != nullptr,);

rack->lastConnectionId = 0;
rack->usedConnections.clear();
}
}
// EnginePatchbayBuffers

void EngineInternalAudio::clear() noexcept
EngineInternalAudio::create(const uint32_t bufferSize)
{
isReady = false;
inCount = 0;
outCount = 0;
CARLA_SAFE_ASSERT_RETURN(buffer == nullptr,);

if (usePatchbay)
{
CARLA_SAFE_ASSERT_RETURN(patchbay != nullptr,);
delete patchbay;
patchbay = nullptr;
}
buffer = new EnginePatchbayBuffers(bufferSize);
else
{
CARLA_SAFE_ASSERT_RETURN(rack != nullptr,);
delete rack;
rack = nullptr;
}
}

void EngineInternalAudio::create(const uint32_t bufferSize)
{
if (usePatchbay)
{
CARLA_SAFE_ASSERT_RETURN(patchbay == nullptr,);
patchbay = new EnginePatchbayBuffers(bufferSize);
}
else
{
CARLA_SAFE_ASSERT_RETURN(rack == nullptr,);
rack = new EngineRackBuffers(bufferSize);
}
buffer = new EngineRackBuffers(bufferSize);

isReady = true;
}

void EngineInternalAudio::resize(const uint32_t bufferSize)
EngineInternalAudio::initPatchbay() noexcept
{
if (usePatchbay)
{
CARLA_SAFE_ASSERT_RETURN(patchbay != nullptr,);
patchbay->resize(bufferSize);
}
else
{
CARLA_SAFE_ASSERT_RETURN(rack != nullptr,);
rack->resize(bufferSize);
}
}

bool EngineInternalAudio::connect(CarlaEngine* const engine, const int groupA, const int portA, const int groupB, const int portB) noexcept
{
if (usePatchbay)
{
CARLA_SAFE_ASSERT_RETURN(patchbay != nullptr, nullptr);
return patchbay->connect(engine, groupA, portA, groupB, portB);
}
else
{
CARLA_SAFE_ASSERT_RETURN(rack != nullptr, nullptr);
return rack->connect(engine, groupA, portA, groupB, portB);
}
}

const char* const* EngineInternalAudio::getConnections() const
{
if (usePatchbay)
{
CARLA_SAFE_ASSERT_RETURN(patchbay != nullptr, nullptr);
return patchbay->getConnections();
}
else
{
CARLA_SAFE_ASSERT_RETURN(rack != nullptr, nullptr);
return rack->getConnections();
}
}

// -----------------------------------------------------------------------
// InternalEvents

EngineInternalEvents::EngineInternalEvents() noexcept
: in(nullptr),
out(nullptr) {}

EngineInternalEvents::~EngineInternalEvents() noexcept
{
CARLA_SAFE_ASSERT(in == nullptr);
CARLA_SAFE_ASSERT(out == nullptr);
}

// -----------------------------------------------------------------------
// InternalTime

EngineInternalTime::EngineInternalTime() noexcept
: playing(false),
frame(0) {}

// -----------------------------------------------------------------------
// NextAction

EngineNextAction::EngineNextAction() noexcept
: opcode(kEnginePostActionNull),
pluginId(0),
value(0) {}

EngineNextAction::~EngineNextAction() noexcept
{
CARLA_SAFE_ASSERT(opcode == kEnginePostActionNull);
}

void EngineNextAction::ready() noexcept
{
mutex.lock();
mutex.unlock();
}

// -----------------------------------------------------------------------
// EnginePluginData

void EnginePluginData::clear() noexcept
{
plugin = nullptr;
insPeak[0] = insPeak[1] = 0.0f;
outsPeak[0] = outsPeak[1] = 0.0f;
}

// -----------------------------------------------------------------------
// CarlaEngineProtectedData

CarlaEngineProtectedData::CarlaEngineProtectedData(CarlaEngine* const engine)
: osc(engine),
thread(engine),
oscData(nullptr),
callback(nullptr),
callbackPtr(nullptr),
fileCallback(nullptr),
fileCallbackPtr(nullptr),
hints(0x0),
bufferSize(0),
sampleRate(0.0),
aboutToClose(false),
curPluginCount(0),
maxPluginNumber(0),
nextPluginId(0),
plugins(nullptr) {}

CarlaEngineProtectedData::~CarlaEngineProtectedData() noexcept
{
CARLA_SAFE_ASSERT(curPluginCount == 0);
CARLA_SAFE_ASSERT(maxPluginNumber == 0);
CARLA_SAFE_ASSERT(nextPluginId == 0);
CARLA_SAFE_ASSERT(plugins == nullptr);
}

// -----------------------------------------------------------------------

void CarlaEngineProtectedData::doPluginRemove() noexcept
{
CARLA_SAFE_ASSERT_RETURN(curPluginCount > 0,);
CARLA_SAFE_ASSERT_RETURN(nextAction.pluginId < curPluginCount,);
--curPluginCount;

// move all plugins 1 spot backwards
for (unsigned int i=nextAction.pluginId; i < curPluginCount; ++i)
{
CarlaPlugin* const plugin(plugins[i+1].plugin);

CARLA_SAFE_ASSERT_BREAK(plugin != nullptr);

plugin->setId(i);

plugins[i].plugin = plugin;
plugins[i].insPeak[0] = 0.0f;
plugins[i].insPeak[1] = 0.0f;
plugins[i].outsPeak[0] = 0.0f;
plugins[i].outsPeak[1] = 0.0f;
}

const unsigned int id(curPluginCount);

// reset last plugin (now removed)
plugins[id].plugin = nullptr;
plugins[id].insPeak[0] = 0.0f;
plugins[id].insPeak[1] = 0.0f;
plugins[id].outsPeak[0] = 0.0f;
plugins[id].outsPeak[1] = 0.0f;
}

void CarlaEngineProtectedData::doPluginsSwitch() noexcept
{
CARLA_SAFE_ASSERT_RETURN(curPluginCount >= 2,);

const unsigned int idA(nextAction.pluginId);
const unsigned int idB(nextAction.value);

CARLA_SAFE_ASSERT_RETURN(idA < curPluginCount,);
CARLA_SAFE_ASSERT_RETURN(idB < curPluginCount,);
CARLA_SAFE_ASSERT_RETURN(plugins[idA].plugin != nullptr,);
CARLA_SAFE_ASSERT_RETURN(plugins[idB].plugin != nullptr,);

#if 0
std::swap(plugins[idA].plugin, plugins[idB].plugin);
#else
CarlaPlugin* const tmp(plugins[idA].plugin);

plugins[idA].plugin = plugins[idB].plugin;
plugins[idB].plugin = tmp;
#endif
}

void CarlaEngineProtectedData::doNextPluginAction(const bool unlock) noexcept
{
switch (nextAction.opcode)
{
case kEnginePostActionNull:
break;
case kEnginePostActionZeroCount:
curPluginCount = 0;
break;
case kEnginePostActionRemovePlugin:
doPluginRemove();
break;
case kEnginePostActionSwitchPlugins:
doPluginsSwitch();
break;
}

nextAction.opcode = kEnginePostActionNull;
nextAction.pluginId = 0;
nextAction.value = 0;

if (unlock)
nextAction.mutex.unlock();
}

// -----------------------------------------------------------------------

#ifndef BUILD_BRIDGE
void CarlaEngineProtectedData::processRack(float* inBufReal[2], float* outBuf[2], const uint32_t frames, const bool isOffline)
{
CARLA_SAFE_ASSERT_RETURN(bufEvents.in != nullptr,);
CARLA_SAFE_ASSERT_RETURN(bufEvents.out != nullptr,);

// safe copy
float inBuf0[frames];
float inBuf1[frames];
float* inBuf[2] = { inBuf0, inBuf1 };

// initialize audio inputs
FLOAT_COPY(inBuf0, inBufReal[0], frames);
FLOAT_COPY(inBuf1, inBufReal[1], frames);

// initialize audio outputs (zero)
FLOAT_CLEAR(outBuf[0], frames);
FLOAT_CLEAR(outBuf[1], frames);

// initialize event outputs (zero)
carla_zeroStruct<EngineEvent>(bufEvents.out, kMaxEngineEventInternalCount);

bool processed = false;

uint32_t oldAudioInCount = 0;
uint32_t oldMidiOutCount = 0;

// process plugins
for (unsigned int i=0; i < curPluginCount; ++i)
{
CarlaPlugin* const plugin = plugins[i].plugin;

if (plugin == nullptr || ! plugin->isEnabled() || ! plugin->tryLock(isOffline))
continue;

if (processed)
{
// initialize audio inputs (from previous outputs)
FLOAT_COPY(inBuf0, outBuf[0], frames);
FLOAT_COPY(inBuf1, outBuf[1], frames);

// initialize audio outputs (zero)
FLOAT_CLEAR(outBuf[0], frames);
FLOAT_CLEAR(outBuf[1], frames);

// if plugin has no midi out, add previous events
if (oldMidiOutCount == 0 && bufEvents.in[0].type != kEngineEventTypeNull)
{
if (bufEvents.out[0].type != kEngineEventTypeNull)
{
// TODO: carefully add to input, sorted events
}
// else nothing needed
}
else
{
// initialize event inputs from previous outputs
carla_copyStruct<EngineEvent>(bufEvents.in, bufEvents.out, kMaxEngineEventInternalCount);

// initialize event outputs (zero)
carla_zeroStruct<EngineEvent>(bufEvents.out, kMaxEngineEventInternalCount);
}
}

oldAudioInCount = plugin->getAudioInCount();
oldMidiOutCount = plugin->getMidiOutCount();

// process
plugin->initBuffers();
plugin->process(inBuf, outBuf, frames);
plugin->unlock();

// if plugin has no audio inputs, add input buffer
if (oldAudioInCount == 0)
{
FLOAT_ADD(outBuf[0], inBuf0, frames);
FLOAT_ADD(outBuf[1], inBuf1, frames);
}

// set peaks
{
EnginePluginData& pluginData(plugins[i]);

#ifdef HAVE_JUCE
float tmpMin, tmpMax;

if (oldAudioInCount > 0)
{
FloatVectorOperations::findMinAndMax(inBuf0, static_cast<int>(frames), tmpMin, tmpMax);
pluginData.insPeak[0] = carla_max<float>(std::abs(tmpMin), std::abs(tmpMax), 1.0f);

FloatVectorOperations::findMinAndMax(inBuf1, static_cast<int>(frames), tmpMin, tmpMax);
pluginData.insPeak[1] = carla_max<float>(std::abs(tmpMin), std::abs(tmpMax), 1.0f);
}
else
{
pluginData.insPeak[0] = 0.0f;
pluginData.insPeak[1] = 0.0f;
}

if (plugin->getAudioOutCount() > 0)
{
FloatVectorOperations::findMinAndMax(outBuf[0], static_cast<int>(frames), tmpMin, tmpMax);
pluginData.outsPeak[0] = carla_max<float>(std::abs(tmpMin), std::abs(tmpMax), 1.0f);

FloatVectorOperations::findMinAndMax(outBuf[1], static_cast<int>(frames), tmpMin, tmpMax);
pluginData.outsPeak[1] = carla_max<float>(std::abs(tmpMin), std::abs(tmpMax), 1.0f);
}
else
{
pluginData.outsPeak[0] = 0.0f;
pluginData.outsPeak[1] = 0.0f;
}
#else
float peak1, peak2;

if (oldAudioInCount > 0)
{
peak1 = peak2 = 0.0f;

for (uint32_t k=0; k < frames; ++k)
{
peak1 = carla_max<float>(peak1, std::fabs(inBuf0[k]), 1.0f);
peak2 = carla_max<float>(peak2, std::fabs(inBuf1[k]), 1.0f);
}

pluginData.insPeak[0] = peak1;
pluginData.insPeak[1] = peak2;
}
else
{
pluginData.insPeak[0] = 0.0f;
pluginData.insPeak[1] = 0.0f;
}

if (plugin->getAudioOutCount() > 0)
{
peak1 = peak2 = 0.0f;

for (uint32_t k=0; k < frames; ++k)
{
peak1 = carla_max<float>(peak1, std::fabs(outBuf[0][k]), 1.0f);
peak2 = carla_max<float>(peak2, std::fabs(outBuf[1][k]), 1.0f);
}

pluginData.outsPeak[0] = peak1;
pluginData.outsPeak[1] = peak2;
}
else
{
pluginData.outsPeak[0] = 0.0f;
pluginData.outsPeak[1] = 0.0f;
}
#endif
}

processed = true;
}
}

void CarlaEngineProtectedData::processRackFull(float** const inBuf, const uint32_t inCount, float** const outBuf, const uint32_t outCount, const uint32_t nframes, const bool isOffline)
{
EngineRackBuffers* const rack(bufAudio.rack);

const CarlaCriticalSectionScope _cs2(rack->connectLock);

// connect input buffers
if (rack->connectedIn1.count() == 0)
{
FLOAT_CLEAR(rack->in[0], nframes);
}
else
{
bool first = true;

for (LinkedList<int>::Itenerator it = rack->connectedIn1.begin(); it.valid(); it.next())
{
const int& port(it.getValue());
CARLA_SAFE_ASSERT_CONTINUE(port >= 0 && port < static_cast<int>(inCount));

if (first)
{
FLOAT_COPY(rack->in[0], inBuf[port], nframes);
first = false;
}
else
{
FLOAT_ADD(rack->in[0], inBuf[port], nframes);
}
}

if (first)
FLOAT_CLEAR(rack->in[0], nframes);
}

if (rack->connectedIn2.count() == 0)
{
FLOAT_CLEAR(rack->in[1], nframes);
// TODO
}
else
{
bool first = true;

for (LinkedList<int>::Itenerator it = rack->connectedIn2.begin(); it.valid(); it.next())
{
const int& port(it.getValue());
CARLA_SAFE_ASSERT_CONTINUE(port >= 0 && port < static_cast<int>(inCount));

if (first)
{
FLOAT_COPY(rack->in[1], inBuf[port], nframes);
first = false;
}
else
{
FLOAT_ADD(rack->in[1], inBuf[port], nframes);
}
}

if (first)
FLOAT_CLEAR(rack->in[1], nframes);
}

FLOAT_CLEAR(rack->out[0], nframes);
FLOAT_CLEAR(rack->out[1], nframes);

// process
processRack(rack->in, rack->out, nframes, isOffline);

// connect output buffers
if (rack->connectedOut1.count() != 0)
{
for (LinkedList<int>::Itenerator it = rack->connectedOut1.begin(); it.valid(); it.next())
{
const int& port(it.getValue());
CARLA_SAFE_ASSERT_CONTINUE(port >= 0 && port < static_cast<int>(outCount));

FLOAT_ADD(outBuf[port], rack->out[0], nframes);
}
}

if (rack->connectedOut2.count() != 0)
{
for (LinkedList<int>::Itenerator it = rack->connectedOut2.begin(); it.valid(); it.next())
{
const int& port(it.getValue());
CARLA_SAFE_ASSERT_CONTINUE(port >= 0 && port < static_cast<int>(outCount));

FLOAT_ADD(outBuf[port], rack->out[1], nframes);
}
}
}
#endif

// -----------------------------------------------------------------------
// ScopedActionLock

CarlaEngineProtectedData::ScopedActionLock::ScopedActionLock(CarlaEngineProtectedData* const data, const EnginePostAction action, const unsigned int pluginId, const unsigned int value, const bool lockWait) noexcept
: fData(data)
{
fData->nextAction.mutex.lock();

CARLA_SAFE_ASSERT_RETURN(fData->nextAction.opcode == kEnginePostActionNull,);

fData->nextAction.opcode = action;
fData->nextAction.pluginId = pluginId;
fData->nextAction.value = value;
CARLA_SAFE_ASSERT_RETURN(rack != nullptr,);

if (lockWait)
{
// block wait for unlock on processing side
carla_stdout("ScopedPluginAction(%i) - blocking START", pluginId);
fData->nextAction.mutex.lock();
carla_stdout("ScopedPluginAction(%i) - blocking DONE", pluginId);
}
else
{
fData->doNextPluginAction(false);
rack->lastConnectionId = 0;
rack->usedConnections.clear();
}
}

CarlaEngineProtectedData::ScopedActionLock::~ScopedActionLock() noexcept
{
fData->nextAction.mutex.unlock();
}

// -----------------------------------------------------------------------

CARLA_BACKEND_END_NAMESPACE

+ 69
- 109
source/backend/engine/CarlaEngineInternal.hpp View File

@@ -45,125 +45,59 @@ CARLA_BACKEND_START_NAMESPACE
const unsigned short kMaxEngineEventInternalCount = 512;

// -----------------------------------------------------------------------
// Rack Patchbay stuff
// AbstractEngineBuffer

enum RackPatchbayGroupIds {
RACK_PATCHBAY_GROUP_CARLA = 0,
RACK_PATCHBAY_GROUP_AUDIO = 1,
RACK_PATCHBAY_GROUP_MIDI = 2,
RACK_PATCHBAY_GROUP_MAX = 3
};

enum RackPatchbayCarlaPortIds {
RACK_PATCHBAY_CARLA_PORT_NULL = 0,
RACK_PATCHBAY_CARLA_PORT_AUDIO_IN1 = 1,
RACK_PATCHBAY_CARLA_PORT_AUDIO_IN2 = 2,
RACK_PATCHBAY_CARLA_PORT_AUDIO_OUT1 = 3,
RACK_PATCHBAY_CARLA_PORT_AUDIO_OUT2 = 4,
RACK_PATCHBAY_CARLA_PORT_MIDI_IN = 5,
RACK_PATCHBAY_CARLA_PORT_MIDI_OUT = 6,
RACK_PATCHBAY_CARLA_PORT_MAX = 7
};

struct PortNameToId {
int portId;
char name[STR_MAX+1];
};

struct ConnectionToId {
uint id;
int groupA;
int portA;
int groupB;
int portB;
};

static inline
int getCarlaRackPortIdFromName(const char* const shortname) noexcept
{
if (std::strcmp(shortname, "AudioIn1") == 0)
return RACK_PATCHBAY_CARLA_PORT_AUDIO_IN1;
if (std::strcmp(shortname, "AudioIn2") == 0)
return RACK_PATCHBAY_CARLA_PORT_AUDIO_IN2;
if (std::strcmp(shortname, "AudioOut1") == 0)
return RACK_PATCHBAY_CARLA_PORT_AUDIO_OUT1;
if (std::strcmp(shortname, "AudioOut2") == 0)
return RACK_PATCHBAY_CARLA_PORT_AUDIO_OUT2;
if (std::strcmp(shortname, "MidiIn") == 0)
return RACK_PATCHBAY_CARLA_PORT_MIDI_IN;
if (std::strcmp(shortname, "MidiOut") == 0)
return RACK_PATCHBAY_CARLA_PORT_MIDI_OUT;
return RACK_PATCHBAY_CARLA_PORT_NULL;
}

// -----------------------------------------------------------------------
// EngineRackBuffers

struct EngineRackBuffers {
float* in[2];
float* out[2];

// connections stuff
LinkedList<int> connectedIn1;
LinkedList<int> connectedIn2;
LinkedList<int> connectedOut1;
LinkedList<int> connectedOut2;
CarlaCriticalSection connectLock;

uint lastConnectionId;
LinkedList<ConnectionToId> usedConnections;

EngineRackBuffers(const uint32_t bufferSize);
~EngineRackBuffers() noexcept;
void clear() noexcept;
void resize(const uint32_t bufferSize);

bool connect(CarlaEngine* const engine, const int groupA, const int portA, const int groupB, const int port) noexcept;
const char* const* getConnections() const;

CARLA_DECLARE_NON_COPY_STRUCT(EngineRackBuffers)
};

// -----------------------------------------------------------------------
// EnginePatchbayBuffers
struct AbstractEngineBuffer {
AbstractEngineBuffer(const uint32_t /*bufferSize*/) {}
virtual ~AbstractEngineBuffer() noexcept {}

struct EnginePatchbayBuffers {
// TODO
EnginePatchbayBuffers(const uint32_t bufferSize);
~EnginePatchbayBuffers() noexcept;
void clear() noexcept;
void resize(const uint32_t bufferSize);
virtual void clear() noexcept = 0;
virtual void resize(const uint32_t bufferSize) = 0;

bool connect(CarlaEngine* const engine, const int groupA, const int portA, const int groupB, const int port) noexcept;
const char* const* getConnections() const;
virtual bool connect(CarlaEngine* const engine, const int groupA, const int portA, const int groupB, const int port) noexcept = 0;
virtual bool disconnect(const uint connectionId) noexcept = 0;

CARLA_DECLARE_NON_COPY_STRUCT(EnginePatchbayBuffers)
virtual const char* const* getConnections() const = 0;
};

// -----------------------------------------------------------------------
// InternalAudio

struct EngineInternalAudio {
bool isPatchbay; // can only be patchbay or rack mode
bool isReady;
bool usePatchbay;

uint inCount;
uint outCount;

union {
EngineRackBuffers* rack;
EnginePatchbayBuffers* patchbay;
};
AbstractEngineBuffer* buffer;

EngineInternalAudio() noexcept;
~EngineInternalAudio() noexcept;
void initPatchbay() noexcept;
void clear() noexcept;
void create(const uint32_t bufferSize);
void resize(const uint32_t bufferSize);
EngineInternalAudio() noexcept
: isPatchbay(false),
isReady(false),
inCount(0),
outCount(0),
buffer(nullptr) {}

~EngineInternalAudio() noexcept
{
CARLA_SAFE_ASSERT(! isReady);
CARLA_SAFE_ASSERT(buffer == nullptr);
}

void clear() noexcept
{
isReady = false;
inCount = 0;
outCount = 0;

CARLA_SAFE_ASSERT_RETURN(buffer != nullptr,);
delete buffer;
buffer = nullptr;
}

bool connect(CarlaEngine* const engine, const int groupA, const int portA, const int groupB, const int port) noexcept;
const char* const* getConnections() const;
void create(const uint32_t bufferSize);
void initPatchbay() noexcept;

CARLA_DECLARE_NON_COPY_STRUCT(EngineInternalAudio)
};
@@ -175,8 +109,15 @@ struct EngineInternalEvents {
EngineEvent* in;
EngineEvent* out;

EngineInternalEvents() noexcept;
~EngineInternalEvents() noexcept;
EngineInternalEvents() noexcept
: in(nullptr),
out(nullptr) {}

~EngineInternalEvents() noexcept
{
CARLA_SAFE_ASSERT(in == nullptr);
CARLA_SAFE_ASSERT(out == nullptr);
}

CARLA_DECLARE_NON_COPY_STRUCT(EngineInternalEvents)
};
@@ -188,7 +129,9 @@ struct EngineInternalTime {
bool playing;
uint64_t frame;

EngineInternalTime() noexcept;
EngineInternalTime() noexcept
: playing(false),
frame(0) {}

CARLA_DECLARE_NON_COPY_STRUCT(EngineInternalTime)
};
@@ -209,9 +152,21 @@ struct EngineNextAction {
unsigned int value;
CarlaMutex mutex;

EngineNextAction() noexcept;
~EngineNextAction() noexcept;
void ready() noexcept;
EngineNextAction() noexcept
: opcode(kEnginePostActionNull),
pluginId(0),
value(0) {}

~EngineNextAction() noexcept
{
CARLA_SAFE_ASSERT(opcode == kEnginePostActionNull);
}

void ready() const noexcept
{
mutex.lock();
mutex.unlock();
}

CARLA_DECLARE_NON_COPY_STRUCT(EngineNextAction)
};
@@ -224,7 +179,12 @@ struct EnginePluginData {
float insPeak[2];
float outsPeak[2];

void clear() noexcept;
void clear() noexcept
{
plugin = nullptr;
insPeak[0] = insPeak[1] = 0.0f;
outsPeak[0] = outsPeak[1] = 0.0f;
}
};

// -----------------------------------------------------------------------


+ 431
- 0
source/backend/engine/CarlaEngineProtectedData.cpp View File

@@ -0,0 +1,431 @@
/*
* Carla Plugin Host
* Copyright (C) 2011-2014 Filipe Coelho <falktx@falktx.com>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* For a full copy of the GNU General Public License see the doc/GPL.txt file.
*/

#include "CarlaEngineInternal.hpp"
#include "CarlaPlugin.hpp"
#include "CarlaMIDI.h"

#include "CarlaMathUtils.hpp"

// -----------------------------------------------------------------------

CARLA_BACKEND_START_NAMESPACE

#if 0
} // Fix editor indentation
#endif

// -----------------------------------------------------------------------
// CarlaEngineProtectedData

CarlaEngineProtectedData::CarlaEngineProtectedData(CarlaEngine* const engine)
: osc(engine),
thread(engine),
oscData(nullptr),
callback(nullptr),
callbackPtr(nullptr),
fileCallback(nullptr),
fileCallbackPtr(nullptr),
hints(0x0),
bufferSize(0),
sampleRate(0.0),
aboutToClose(false),
curPluginCount(0),
maxPluginNumber(0),
nextPluginId(0),
plugins(nullptr) {}

CarlaEngineProtectedData::~CarlaEngineProtectedData() noexcept
{
CARLA_SAFE_ASSERT(curPluginCount == 0);
CARLA_SAFE_ASSERT(maxPluginNumber == 0);
CARLA_SAFE_ASSERT(nextPluginId == 0);
CARLA_SAFE_ASSERT(plugins == nullptr);
}

// -----------------------------------------------------------------------

void CarlaEngineProtectedData::doPluginRemove() noexcept
{
CARLA_SAFE_ASSERT_RETURN(curPluginCount > 0,);
CARLA_SAFE_ASSERT_RETURN(nextAction.pluginId < curPluginCount,);
--curPluginCount;

// move all plugins 1 spot backwards
for (unsigned int i=nextAction.pluginId; i < curPluginCount; ++i)
{
CarlaPlugin* const plugin(plugins[i+1].plugin);

CARLA_SAFE_ASSERT_BREAK(plugin != nullptr);

plugin->setId(i);

plugins[i].plugin = plugin;
plugins[i].insPeak[0] = 0.0f;
plugins[i].insPeak[1] = 0.0f;
plugins[i].outsPeak[0] = 0.0f;
plugins[i].outsPeak[1] = 0.0f;
}

const unsigned int id(curPluginCount);

// reset last plugin (now removed)
plugins[id].plugin = nullptr;
plugins[id].insPeak[0] = 0.0f;
plugins[id].insPeak[1] = 0.0f;
plugins[id].outsPeak[0] = 0.0f;
plugins[id].outsPeak[1] = 0.0f;
}

void CarlaEngineProtectedData::doPluginsSwitch() noexcept
{
CARLA_SAFE_ASSERT_RETURN(curPluginCount >= 2,);

const unsigned int idA(nextAction.pluginId);
const unsigned int idB(nextAction.value);

CARLA_SAFE_ASSERT_RETURN(idA < curPluginCount,);
CARLA_SAFE_ASSERT_RETURN(idB < curPluginCount,);
CARLA_SAFE_ASSERT_RETURN(plugins[idA].plugin != nullptr,);
CARLA_SAFE_ASSERT_RETURN(plugins[idB].plugin != nullptr,);

#if 0
std::swap(plugins[idA].plugin, plugins[idB].plugin);
#else
CarlaPlugin* const tmp(plugins[idA].plugin);

plugins[idA].plugin = plugins[idB].plugin;
plugins[idB].plugin = tmp;
#endif
}

void CarlaEngineProtectedData::doNextPluginAction(const bool unlock) noexcept
{
switch (nextAction.opcode)
{
case kEnginePostActionNull:
break;
case kEnginePostActionZeroCount:
curPluginCount = 0;
break;
case kEnginePostActionRemovePlugin:
doPluginRemove();
break;
case kEnginePostActionSwitchPlugins:
doPluginsSwitch();
break;
}

nextAction.opcode = kEnginePostActionNull;
nextAction.pluginId = 0;
nextAction.value = 0;

if (unlock)
nextAction.mutex.unlock();
}

// -----------------------------------------------------------------------

#ifndef BUILD_BRIDGE
void CarlaEngineProtectedData::processRack(float* inBufReal[2], float* outBuf[2], const uint32_t frames, const bool isOffline)
{
CARLA_SAFE_ASSERT_RETURN(bufEvents.in != nullptr,);
CARLA_SAFE_ASSERT_RETURN(bufEvents.out != nullptr,);

// safe copy
float inBuf0[frames];
float inBuf1[frames];
float* inBuf[2] = { inBuf0, inBuf1 };

// initialize audio inputs
FLOAT_COPY(inBuf0, inBufReal[0], frames);
FLOAT_COPY(inBuf1, inBufReal[1], frames);

// initialize audio outputs (zero)
FLOAT_CLEAR(outBuf[0], frames);
FLOAT_CLEAR(outBuf[1], frames);

// initialize event outputs (zero)
carla_zeroStruct<EngineEvent>(bufEvents.out, kMaxEngineEventInternalCount);

bool processed = false;

uint32_t oldAudioInCount = 0;
uint32_t oldMidiOutCount = 0;

// process plugins
for (unsigned int i=0; i < curPluginCount; ++i)
{
CarlaPlugin* const plugin = plugins[i].plugin;

if (plugin == nullptr || ! plugin->isEnabled() || ! plugin->tryLock(isOffline))
continue;

if (processed)
{
// initialize audio inputs (from previous outputs)
FLOAT_COPY(inBuf0, outBuf[0], frames);
FLOAT_COPY(inBuf1, outBuf[1], frames);

// initialize audio outputs (zero)
FLOAT_CLEAR(outBuf[0], frames);
FLOAT_CLEAR(outBuf[1], frames);

// if plugin has no midi out, add previous events
if (oldMidiOutCount == 0 && bufEvents.in[0].type != kEngineEventTypeNull)
{
if (bufEvents.out[0].type != kEngineEventTypeNull)
{
// TODO: carefully add to input, sorted events
}
// else nothing needed
}
else
{
// initialize event inputs from previous outputs
carla_copyStruct<EngineEvent>(bufEvents.in, bufEvents.out, kMaxEngineEventInternalCount);

// initialize event outputs (zero)
carla_zeroStruct<EngineEvent>(bufEvents.out, kMaxEngineEventInternalCount);
}
}

oldAudioInCount = plugin->getAudioInCount();
oldMidiOutCount = plugin->getMidiOutCount();

// process
plugin->initBuffers();
plugin->process(inBuf, outBuf, frames);
plugin->unlock();

// if plugin has no audio inputs, add input buffer
if (oldAudioInCount == 0)
{
FLOAT_ADD(outBuf[0], inBuf0, frames);
FLOAT_ADD(outBuf[1], inBuf1, frames);
}

// set peaks
{
EnginePluginData& pluginData(plugins[i]);

#ifdef HAVE_JUCE
float tmpMin, tmpMax;

if (oldAudioInCount > 0)
{
FloatVectorOperations::findMinAndMax(inBuf0, static_cast<int>(frames), tmpMin, tmpMax);
pluginData.insPeak[0] = carla_max<float>(std::abs(tmpMin), std::abs(tmpMax), 1.0f);

FloatVectorOperations::findMinAndMax(inBuf1, static_cast<int>(frames), tmpMin, tmpMax);
pluginData.insPeak[1] = carla_max<float>(std::abs(tmpMin), std::abs(tmpMax), 1.0f);
}
else
{
pluginData.insPeak[0] = 0.0f;
pluginData.insPeak[1] = 0.0f;
}

if (plugin->getAudioOutCount() > 0)
{
FloatVectorOperations::findMinAndMax(outBuf[0], static_cast<int>(frames), tmpMin, tmpMax);
pluginData.outsPeak[0] = carla_max<float>(std::abs(tmpMin), std::abs(tmpMax), 1.0f);

FloatVectorOperations::findMinAndMax(outBuf[1], static_cast<int>(frames), tmpMin, tmpMax);
pluginData.outsPeak[1] = carla_max<float>(std::abs(tmpMin), std::abs(tmpMax), 1.0f);
}
else
{
pluginData.outsPeak[0] = 0.0f;
pluginData.outsPeak[1] = 0.0f;
}
#else
float peak1, peak2;

if (oldAudioInCount > 0)
{
peak1 = peak2 = 0.0f;

for (uint32_t k=0; k < frames; ++k)
{
peak1 = carla_max<float>(peak1, std::fabs(inBuf0[k]), 1.0f);
peak2 = carla_max<float>(peak2, std::fabs(inBuf1[k]), 1.0f);
}

pluginData.insPeak[0] = peak1;
pluginData.insPeak[1] = peak2;
}
else
{
pluginData.insPeak[0] = 0.0f;
pluginData.insPeak[1] = 0.0f;
}

if (plugin->getAudioOutCount() > 0)
{
peak1 = peak2 = 0.0f;

for (uint32_t k=0; k < frames; ++k)
{
peak1 = carla_max<float>(peak1, std::fabs(outBuf[0][k]), 1.0f);
peak2 = carla_max<float>(peak2, std::fabs(outBuf[1][k]), 1.0f);
}

pluginData.outsPeak[0] = peak1;
pluginData.outsPeak[1] = peak2;
}
else
{
pluginData.outsPeak[0] = 0.0f;
pluginData.outsPeak[1] = 0.0f;
}
#endif
}

processed = true;
}
}

void CarlaEngineProtectedData::processRackFull(float** const inBuf, const uint32_t inCount, float** const outBuf, const uint32_t outCount, const uint32_t nframes, const bool isOffline)
{
EngineRackBuffers* const rack(bufAudio.rack);

const CarlaCriticalSectionScope _cs2(rack->connectLock);

// connect input buffers
if (rack->connectedIn1.count() == 0)
{
FLOAT_CLEAR(rack->in[0], nframes);
}
else
{
bool first = true;

for (LinkedList<int>::Itenerator it = rack->connectedIn1.begin(); it.valid(); it.next())
{
const int& port(it.getValue());
CARLA_SAFE_ASSERT_CONTINUE(port >= 0 && port < static_cast<int>(inCount));

if (first)
{
FLOAT_COPY(rack->in[0], inBuf[port], nframes);
first = false;
}
else
{
FLOAT_ADD(rack->in[0], inBuf[port], nframes);
}
}

if (first)
FLOAT_CLEAR(rack->in[0], nframes);
}

if (rack->connectedIn2.count() == 0)
{
FLOAT_CLEAR(rack->in[1], nframes);
}
else
{
bool first = true;

for (LinkedList<int>::Itenerator it = rack->connectedIn2.begin(); it.valid(); it.next())
{
const int& port(it.getValue());
CARLA_SAFE_ASSERT_CONTINUE(port >= 0 && port < static_cast<int>(inCount));

if (first)
{
FLOAT_COPY(rack->in[1], inBuf[port], nframes);
first = false;
}
else
{
FLOAT_ADD(rack->in[1], inBuf[port], nframes);
}
}

if (first)
FLOAT_CLEAR(rack->in[1], nframes);
}

FLOAT_CLEAR(rack->out[0], nframes);
FLOAT_CLEAR(rack->out[1], nframes);

// process
processRack(rack->in, rack->out, nframes, isOffline);

// connect output buffers
if (rack->connectedOut1.count() != 0)
{
for (LinkedList<int>::Itenerator it = rack->connectedOut1.begin(); it.valid(); it.next())
{
const int& port(it.getValue());
CARLA_SAFE_ASSERT_CONTINUE(port >= 0 && port < static_cast<int>(outCount));

FLOAT_ADD(outBuf[port], rack->out[0], nframes);
}
}

if (rack->connectedOut2.count() != 0)
{
for (LinkedList<int>::Itenerator it = rack->connectedOut2.begin(); it.valid(); it.next())
{
const int& port(it.getValue());
CARLA_SAFE_ASSERT_CONTINUE(port >= 0 && port < static_cast<int>(outCount));

FLOAT_ADD(outBuf[port], rack->out[1], nframes);
}
}
}
#endif

// -----------------------------------------------------------------------
// ScopedActionLock

CarlaEngineProtectedData::ScopedActionLock::ScopedActionLock(CarlaEngineProtectedData* const data, const EnginePostAction action, const unsigned int pluginId, const unsigned int value, const bool lockWait) noexcept
: fData(data)
{
fData->nextAction.mutex.lock();

CARLA_SAFE_ASSERT_RETURN(fData->nextAction.opcode == kEnginePostActionNull,);

fData->nextAction.opcode = action;
fData->nextAction.pluginId = pluginId;
fData->nextAction.value = value;

if (lockWait)
{
// block wait for unlock on processing side
carla_stdout("ScopedPluginAction(%i) - blocking START", pluginId);
fData->nextAction.mutex.lock();
carla_stdout("ScopedPluginAction(%i) - blocking DONE", pluginId);
}
else
{
fData->doNextPluginAction(false);
}
}

CarlaEngineProtectedData::ScopedActionLock::~ScopedActionLock() noexcept
{
fData->nextAction.mutex.unlock();
}

// -----------------------------------------------------------------------

CARLA_BACKEND_END_NAMESPACE

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