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VST3/ARA: homework investigating ARA

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Robin Gareus 2025-10-15 21:45:07 +02:00
parent c13536310e
commit 91fa2533b7
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3 changed files with 166 additions and 0 deletions
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11
libs/ardour/ardour/vst3_plugin.h
View file

@ -38,6 +38,12 @@ class VST3PluginModule;
class AutomationList;
}
namespace ARA
{
class ARAFactory;
class ARADocumentControllerInstance;
}
#if defined(__clang__)
# pragma clang diagnostic push
# pragma clang diagnostic ignored "-Wnon-virtual-dtor"
@ -283,6 +289,11 @@ private:
Vst::ProcessContext _context;
Glib::Threads::Mutex _process_lock;
#ifdef HAVE_ARA
ARA::ARAFactory const* _ara_factory;
ARA::ARADocumentControllerInstance const* _ara_document_controller;
#endif
/* Parameters */
Vst3ParameterChanges _input_param_changes;
Vst3ParameterChanges _output_param_changes;

10
libs/ardour/vst3_host.cc
View file

@ -25,6 +25,10 @@
#include "ardour/session_directory.h"
#endif
#ifdef HAVE_ARA
#include "ara/ARAVST3.h"
#endif
#include "ardour/vst3_host.h"
#include "pbd/atomic.h"
@ -85,6 +89,12 @@ DEF_CLASS_IID (Presonus::ISlaveControllerHandler)
DEF_CLASS_IID (Presonus::IPlugInViewEmbedding)
DEF_CLASS_IID (Presonus::IPlugInViewScaling)
#ifdef HAVE_ARA
DEF_CLASS_IID (ARA::IMainFactory)
DEF_CLASS_IID (ARA::IPlugInEntryPoint)
DEF_CLASS_IID (ARA::IPlugInEntryPoint2)
#endif
#if SMTG_OS_LINUX
DEF_CLASS_IID (Linux::IRunLoop);
DEF_CLASS_IID (Linux::ITimerHandler);

145
libs/ardour/vst3_plugin.cc
View file

@ -36,6 +36,10 @@
#include <shlobj.h> // CSIDL_*
#endif
#ifdef HAVE_ARA
#include "ara/ARAVST3.h"
#endif
#include "ardour/audio_buffer.h"
#include "ardour/audioengine.h"
#include "ardour/debug.h"
@ -55,6 +59,9 @@ using namespace ARDOUR;
using namespace Temporal;
using namespace Steinberg;
using namespace Presonus;
#ifdef HAVE_ARA
using namespace ARA;
#endif
VST3Plugin::VST3Plugin (AudioEngine& engine, Session& session, VST3PI* plug)
: Plugin (engine, session)
@ -1183,6 +1190,10 @@ VST3PI::VST3PI (std::shared_ptr<ARDOUR::VST3PluginModule> m, std::string unique_
, _component (0)
, _controller (0)
, _view (0)
#ifdef HAVE_ARA
, _ara_factory (0)
, _ara_document_controller (0)
#endif
, _is_loading_state (false)
, _is_processing (false)
, _block_size (0)
@ -1263,6 +1274,42 @@ VST3PI::VST3PI (std::shared_ptr<ARDOUR::VST3PluginModule> m, std::string unique_
throw failed_constructor ();
}
#ifdef HAVE_ARA
IPtr<ARA::IMainFactory> ara_main_factory = nullptr;
DEBUG_TRACE (DEBUG::VST3Config, "VST3PI: looking for ARA Main Factory...\n");
for (int32 i = 0; i < factory->countClasses (); ++i) {
PClassInfo ci;
if (factory->getClassInfo (i, &ci) == kResultTrue) {
if (std::strcmp (kARAMainFactoryClass, ci.category)) {
continue;
}
if (factory->createInstance (ci.cid, ARA::IMainFactory::iid, (void**) &ara_main_factory) == kResultOk) {
_ara_factory = ara_main_factory->getFactory ();
DEBUG_TRACE (DEBUG::VST3Config, string_compose ("VST3PI: found ARA Main Factory for '%1'.\n", _ara_factory->plugInName));
break; // XXX check if there is more than one
}
}
}
if (_ara_factory) {
if (_ara_factory->lowestSupportedApiGeneration > kARAAPIGeneration_2_0_Final) {
DEBUG_TRACE (DEBUG::VST3Config, "VST3PI: only supports newer generations of ARA.\n");
_ara_factory = nullptr;
}
if (_ara_factory->highestSupportedApiGeneration < kARAAPIGeneration_2_0_Final) {
DEBUG_TRACE (DEBUG::VST3Config, "VST3PI: only supports older generations of ARA.\n");
_ara_factory = nullptr;
}
}
if (_ara_factory) {
static ARAInterfaceConfiguration ara_interface_config = { ARA_IMPLEMENTED_STRUCT_SIZE (ARAInterfaceConfiguration, assertFunctionAddress), kARAAPIGeneration_2_0_Final, NULL };
_ara_factory->initializeARAWithConfiguration (&ara_interface_config);
DEBUG_TRACE (DEBUG::VST3Config, "VST3PI: initialized ARA.\n");
}
#endif
/* The official Steinberg SDK's source/vst/hosting/plugprovider.cpp
* only initializes the controller if it is separate of the component.
*
@ -1452,6 +1499,15 @@ VST3PI::terminate ()
_component->release ();
}
#ifdef HAVE_ARA
if (_ara_factory) {
if (_ara_document_controller) {
_ara_document_controller->documentControllerInterface->destroyDocumentController (_ara_document_controller->documentControllerRef);
}
_ara_factory->uninitializeARA ();
}
#endif
_controller = 0;
_component = 0;
}
@ -1825,6 +1881,78 @@ VST3PI::plugin_tailtime ()
return _plugin_tail.value ();
}
#ifdef HAVE_ARA
static ARAAudioReaderHostRef ARA_CALL ARACreateAudioReaderForSource (ARAAudioAccessControllerHostRef controller_host_ref,
ARAAudioSourceHostRef audio_source_host_ref,
ARABool use_64_bit_samples)
{
return (ARAAudioReaderHostRef) (use_64_bit_samples ? 0xaffeb00b : 0x00c0ffee);
}
static ARABool ARA_CALL ARAReadAudioSamples (ARAAudioAccessControllerHostRef controller_host_ref,
ARAAudioReaderHostRef audio_reader_host_ref,
ARASamplePosition sample_position,
ARASampleCount samples_per_channel,
void * const buffers[])
{
if (audio_reader_host_ref == (ARAAudioReaderHostRef) 0xaffeb00b) {
memset (buffers[0], 0, sizeof (double) * samples_per_channel);
} else {
memset (buffers[0], 0, sizeof (float) * samples_per_channel);
}
return kARATrue;
}
static void ARA_CALL ARADestroyAudioReader (ARAAudioAccessControllerHostRef controller_host_ref,
ARAAudioReaderHostRef audio_reader_host_ref)
{
printf ("destroyAudioReader() called for fake host ref %p", audio_reader_host_ref);
}
static const ARAAudioAccessControllerInterface host_audio_access_controller_interface = { ARA_IMPLEMENTED_STRUCT_SIZE(ARAAudioAccessControllerInterface, destroyAudioReader),
&ARACreateAudioReaderForSource, &ARAReadAudioSamples, &ARADestroyAudioReader };
static ARASize ARA_CALL ARAGetArchiveSize (ARAArchivingControllerHostRef controllerHostRef,
ARAArchiveReaderHostRef archiveReaderHostRef)
{
return 0;
}
static ARABool ARA_CALL ARAReadBytesFromArchive (ARAArchivingControllerHostRef controller_host_ref,
ARAArchiveReaderHostRef archive_reader_host_ref,
ARASize position,
ARASize length,
ARAByte buffer[])
{
memset (&buffer[position], 0, length);
return kARAFalse;
}
static ARABool ARA_CALL ARAWriteBytesToArchive (ARAArchivingControllerHostRef controller_host_ref,
ARAArchiveWriterHostRef archive_writer_host_ref,
ARASize position,
ARASize length,
const ARAByte buffer[])
{
return kARATrue;
}
static void ARA_CALL ARANotifyDocumentArchivingProgress (ARAArchivingControllerHostRef controller_host_ref, float value)
{
}
static void ARA_CALL ARANotifyDocumentUnarchivingProgress (ARAArchivingControllerHostRef controller_host_ref, float value)
{
}
static ARAPersistentID ARA_CALL ARAGetDocumentArchiveID (ARAArchivingControllerHostRef controller_host_ref, ARAArchiveReaderHostRef archive_reader_host_ref)
{
return NULL;
}
static const ARAArchivingControllerInterface host_archiving_interface = { ARA_IMPLEMENTED_STRUCT_SIZE(ARAArchivingControllerInterface, getDocumentArchiveID),
&ARAGetArchiveSize, &ARAReadBytesFromArchive, &ARAWriteBytesToArchive,
&ARANotifyDocumentArchivingProgress, &ARANotifyDocumentUnarchivingProgress,
&ARAGetDocumentArchiveID };
#endif
void
VST3PI::set_owner (SessionObject* o)
{
@ -1836,6 +1964,23 @@ VST3PI::set_owner (SessionObject* o)
return;
}
Stripable* s = dynamic_cast<Stripable*> (_owner);
//AudioTrack* t = dynamic_cast<AudioTrack*> (s);
assert (s);
ARADocumentControllerHostInstance documentEntry = { ARA_IMPLEMENTED_STRUCT_SIZE(ARADocumentControllerHostInstance, playbackControllerInterface),
(ARAAudioAccessControllerHostRef)this, &host_audio_access_controller_interface, // XXX pass track as ref?
(ARAArchivingControllerHostRef) this, &host_archiving_interface, // XXX
(ARAContentAccessControllerHostRef) this, NULL, // optional
(ARAModelUpdateControllerHostRef) this, NULL, // optional
(ARAPlaybackControllerHostRef) NULL, NULL // optional
};
printf ("TOWARDS ARA...\n");
std::string session_name (s->session ().name ());
ARADocumentProperties documentProperties = { ARA_IMPLEMENTED_STRUCT_SIZE(ARADocumentProperties, name), session_name.c_str() };
_ara_document_controller = _ara_factory->createDocumentControllerWithDocument (&documentEntry, &documentProperties);
_in_set_owner.store (true);
if (!setup_psl_info_handler ()) {