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ardour/libs/ardour/surround_return.cc

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/*
* Copyright (C) 2023 Robin Gareus <robin@gareus.org>
* Copyright (C) 2023 Paul Davis <paul@linuxaudiosystems.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
* (at your option) 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.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include <glibmm/miscutils.h>
#include <glibmm/fileutils.h>
#include "ardour/amp.h"
#include "ardour/audio_buffer.h"
#include "ardour/lv2_plugin.h"
#include "ardour/route.h"
#include "ardour/session.h"
#include "ardour/surround_pannable.h"
#include "ardour/surround_return.h"
#include "ardour/surround_send.h"
#include "ardour/uri_map.h"
#ifdef __APPLE__
#include <AudioUnit/AudioUnit.h>
#include <AudioToolbox/AudioUnitUtilities.h>
#include "AUParamInfo.h"
#endif
#include "pbd/i18n.h"
using namespace ARDOUR;
SurroundReturn::OutputFormatControl::OutputFormatControl (bool v, std::string const& n, PBD::Controllable::Flag f)
: MPControl<bool> (v, n, f)
{
}
std::string
SurroundReturn::OutputFormatControl::get_user_string () const
{
if (get_value () == 0) {
return "7.1.4";
} else {
return "5.1";
}
}
SurroundReturn::BinauralRenderControl::BinauralRenderControl (bool v, std::string const& n, PBD::Controllable::Flag f)
: MPControl<bool> (v, n, f)
{
}
std::string
SurroundReturn::BinauralRenderControl::get_user_string () const
{
if (get_value () == 0) {
return "Dolby";
} else {
return "Apple";
}
}
SurroundReturn::SurroundReturn (Session& s, Route* r)
: Processor (s, _("SurrReturn"), Temporal::TimeDomainProvider (Temporal::AudioTime))
, _lufs_meter (s.nominal_sample_rate (), 5)
, _output_format_control (new OutputFormatControl (false, _("Output Format"), PBD::Controllable::Toggle))
, _binaural_render_control (new BinauralRenderControl (false, _("Binaural Renderer"), PBD::Controllable::Toggle))
#ifdef __APPLE__
, _au (0)
, _au_buffers (0)
, _au_samples_processed (0)
#endif
, _have_au_renderer (false)
, _current_n_channels (max_object_id)
, _total_n_channels (max_object_id)
, _current_output_format (OUTPUT_FORMAT_7_1_4)
, _in_map (ChanCount (DataType::AUDIO, 128))
, _out_map (ChanCount (DataType::AUDIO, 14 + 6 /* Loudness Meter */))
, _exporting (false)
, _export_start (0)
, _export_end (0)
, _rolling (false)
, _with_bed (false)
, _sync_and_align (false)
{
#if !(defined(LV2_EXTENDED) && defined(HAVE_LV2_1_10_0))
throw failed_constructor ();
#endif
_surround_processor = std::dynamic_pointer_cast<LV2Plugin> (find_plugin (_session, "urn:ardour:a-vapor", ARDOUR::LV2));
if (!_surround_processor) {
throw ProcessorException (_("Required Atmos/Vapor Processor not found."));
}
ChanCount cca128 (ChanCount (DataType::AUDIO, 128));
_flush.store (0);
_surround_processor->activate ();
_surround_bufs.ensure_buffers (DataType::AUDIO, 128, s.get_block_size ());
_surround_bufs.set_count (cca128);
lv2_atom_forge_init (&_forge, URIMap::instance ().urid_map ());
_trim.reset (new Amp (_session, X_("Trim"), r->trim_control (), false));
_trim->configure_io (cca128, cca128);
_trim->activate ();
ChanCount cca20 (ChanCount (DataType::AUDIO, 20)); // 7.1.4 + binaural + 5.1
_delaybuffers.configure (cca20, 512);
for (size_t i = 0; i < max_object_id; ++i) {
_current_render_mode[i] = -1;
_channel_id_map[i] = i;
for (size_t p = 0; p < num_pan_parameters; ++p) {
_current_value[i][p] = -1111; /* some invalid data that forces an update */
}
}
#ifdef __APPLE__
AudioComponentDescription auDescription = {
kAudioUnitType_Mixer,
'3dem' /* kAudioUnitSubType_SpatialMixer */,
kAudioUnitManufacturer_Apple,
0,
0
};
AudioComponent comp = AudioComponentFindNext (NULL, &auDescription);
if (comp && noErr == AudioComponentInstanceNew (comp, &_au)) {
ComponentResult err;
AudioStreamBasicDescription streamFormat;
streamFormat.mChannelsPerFrame = 12;
streamFormat.mSampleRate = _session.sample_rate ();
streamFormat.mFormatID = kAudioFormatLinearPCM;
streamFormat.mFormatFlags = kAudioFormatFlagIsFloat | kAudioFormatFlagIsPacked | kAudioFormatFlagIsNonInterleaved;
streamFormat.mBitsPerChannel = 32;
streamFormat.mFramesPerPacket = 1;
streamFormat.mBytesPerPacket = 4;
streamFormat.mBytesPerFrame = 4;
err = AudioUnitSetProperty (_au,
kAudioUnitProperty_StreamFormat,
kAudioUnitScope_Input,
0,
&streamFormat,
sizeof (AudioStreamBasicDescription));
if (err != noErr) {
return;
}
streamFormat.mChannelsPerFrame = 2;
err = AudioUnitSetProperty (_au,
kAudioUnitProperty_StreamFormat,
kAudioUnitScope_Output,
0,
&streamFormat,
sizeof (AudioStreamBasicDescription));
if (err != noErr) {
return;
}
AudioChannelLayout chanelLayout;
chanelLayout.mChannelLayoutTag = 0xc0000c; // kAudioChannelLayoutTag_Atmos_7_1_4;
chanelLayout.mChannelBitmap = 0;
chanelLayout.mNumberChannelDescriptions = 0;
err = AudioUnitSetProperty (_au,
kAudioUnitProperty_AudioChannelLayout,
kAudioUnitScope_Input,
0,
&chanelLayout,
sizeof (chanelLayout));
if (err != noErr) {
return;
}
UInt32 renderingAlgorithm = 7; // kSpatializationAlgorithm_UseOutputType;
err = AudioUnitSetProperty (_au,
3000 /*kAudioUnitProperty_SpatializationAlgorithm*/,
kAudioUnitScope_Input,
0,
&renderingAlgorithm,
sizeof (renderingAlgorithm));
if (err != noErr) {
return;
}
UInt32 sourceMode = 3; // kSpatialMixerSourceMode_AmbienceBed;
err = AudioUnitSetProperty (_au,
3005 /*kAudioUnitProperty_SpatialMixerSourceMode*/,
kAudioUnitScope_Input,
0,
&sourceMode,
sizeof (sourceMode));
if (err != noErr) {
return;
}
AURenderCallbackStruct renderCallbackInfo;
renderCallbackInfo.inputProc = _render_callback;
renderCallbackInfo.inputProcRefCon = this;
err = AudioUnitSetProperty (_au,
kAudioUnitProperty_SetRenderCallback,
kAudioUnitScope_Input,
0, (void*)&renderCallbackInfo,
sizeof (renderCallbackInfo));
if (err != noErr) {
return;
}
_au_buffers = (AudioBufferList*)malloc (offsetof (AudioBufferList, mBuffers) + 2 * sizeof (::AudioBuffer));
_au_buffers->mNumberBuffers = 2;
err = AudioUnitInitialize (_au);
if (err != noErr) {
return;
}
{
UInt32 dataSize;
Boolean isWritable;
if (noErr == AudioUnitGetPropertyInfo (_au, kAudioUnitProperty_FactoryPresets, kAudioUnitScope_Global, 0, &dataSize, &isWritable)) {
CFArrayRef presets;
assert (dataSize == sizeof (presets));
if (noErr == AudioUnitGetProperty (_au, kAudioUnitProperty_FactoryPresets, kAudioUnitScope_Global, 0, (void*) &presets, &dataSize) && presets) {
CFIndex cnt = CFArrayGetCount (presets);
for (CFIndex i = 0; i < cnt; ++i) {
AUPreset const* preset = (AUPreset const*) CFArrayGetValueAtIndex (presets, i);
_au_presets.push_back (*preset);
std::string name = CFStringRefToStdString (preset->presetName);
std::cout << "FOUND PRESET "<< preset->presetNumber << " - " << name << "\n";
}
CFRelease (presets);
}
}
}
AudioUnitScope scopes[] = {
kAudioUnitScope_Global,
kAudioUnitScope_Output,
kAudioUnitScope_Input
};
for (uint32_t i = 0; i < sizeof (scopes) / sizeof (scopes[0]); ++i) {
AUParamInfo param_info (_au, false, /* include read only */ false, scopes[i]);
for (uint32_t i = 0; i < param_info.NumParams(); ++i) {
const CAAUParameter* param = param_info.GetParamInfo ( param_info.ParamID (i));
const AudioUnitParameterInfo& info (param->ParamInfo());
if (!(info.flags & kAudioUnitParameterFlag_NonRealTime) && (info.flags & kAudioUnitParameterFlag_IsWritable)) {
AUParameter d;
d.id = param_info.ParamID (i);
d.scope = param_info.GetScope ();
d.element = param_info.GetElement ();
d.lower = info.minValue;
d.upper = info.maxValue;
d.normal = info.defaultValue;
const int len = CFStringGetLength (param->GetName());
char local_buffer[len * 2];
if (CFStringGetCString (param->GetName(), local_buffer,len * 2, kCFStringEncodingUTF8)) {
d.label = local_buffer;
}
_au_params.push_back(d);
}
}
}
#if 1 // RAMP up reverb
load_au_preset (1);
set_au_param (0, 0.6); // +8dB global reverb
#endif
_have_au_renderer = true;
}
#endif
}
SurroundReturn::~SurroundReturn ()
{
#ifdef __APPLE__
if (_au) {
AudioOutputUnitStop (_au);
AudioUnitUninitialize (_au);
CloseComponent (_au);
}
free (_au_buffers);
#endif
}
int
SurroundReturn::set_block_size (pframes_t nframes)
{
_surround_bufs.ensure_buffers (DataType::AUDIO, 128, nframes);
_surround_processor->set_block_size (nframes);
return 0;
}
samplecnt_t
SurroundReturn::signal_latency () const
{
return _surround_processor->signal_latency () + _delaybuffers.delay ();
}
void
SurroundReturn::flush ()
{
_flush.store (1);
}
void
SurroundReturn::latency_changed ()
{
LatencyChanged ();
assert (owner());
static_cast<Route*>(owner ())->processor_latency_changed (); /* EMIT SIGNAL */
}
void
SurroundReturn::reset_object_map ()
{
for (uint32_t i = 0; i < max_object_id; ++i) {
_channel_id_map[i] = i;
}
}
void
SurroundReturn::set_bed_mix (bool on, std::string const& ref, int* cmap)
{
_with_bed = on;
if (!_with_bed) {
_export_reference.clear ();
reset_object_map ();
return;
}
_export_reference = ref;
if (!cmap) {
reset_object_map ();
} else {
for (uint32_t i = 0; i < max_object_id; ++i) {
if (cmap[i] >= 0 && (size_t) cmap[i] <= max_object_id) {
_channel_id_map[i] = cmap[i];
}
}
}
}
void
SurroundReturn::set_sync_and_align (bool on)
{
if (_sync_and_align == on) {
return;
}
_sync_and_align = on;
}
void
SurroundReturn::run (BufferSet& bufs, samplepos_t start_sample, samplepos_t end_sample, double speed, pframes_t nframes, bool)
{
if (!check_active ()) {
return;
}
int canderef (1);
if (_flush.compare_exchange_strong (canderef, 0)) {
_surround_processor->flush ();
}
if (_sync_and_align) {
if (!_rolling && start_sample != end_sample) {
samplecnt_t latency_preroll = _session.remaining_latency_preroll ();
if (nframes + playback_offset () <= latency_preroll) {
end_sample = start_sample;
speed = 0;
}
}
if (!_rolling && start_sample != end_sample) {
_delaybuffers.flush ();
_surround_processor->deactivate();
_surround_processor->activate();
}
if (0 != (playback_offset() % 512)) {
ChanCount cca20 (ChanCount (DataType::AUDIO, 20)); // 7.1.4 + binaural + 5.1
if (_delaybuffers.delay () == 0) {
_delaybuffers.set (cca20, 512 - playback_offset() % 512);
} else {
_delaybuffers.set (cca20, 0);
}
latency_changed ();
}
} else if (_delaybuffers.delay () != 0) {
ChanCount cca20 (ChanCount (DataType::AUDIO, 20)); // 7.1.4 + binaural + 5.1
_delaybuffers.set (cca20, 0);
latency_changed ();
}
bool with_bed = _with_bed;
samplecnt_t latency = effective_latency ();
bufs.set_count (_configured_output);
_surround_bufs.silence (nframes, 0);
RouteList rl = *_session.get_routes (); // XXX this allocates memory
rl.sort (Stripable::Sorter (true));
size_t cid = with_bed ? 0 : 10; // First 10 IDs are reseved for bed mixes
for (auto const& r : rl) {
std::shared_ptr<SurroundSend> ss;
if (!r->active ()) {
continue;
}
if (!(ss = r->surround_send ()) || !ss->active ()) {
continue;
}
timepos_t unused_start, unused_end;
for (uint32_t s = 0; s < ss->bufs ().count ().n_audio (); ++s, ++cid) {
if (cid >= max_object_id) {
continue;
}
std::shared_ptr<SurroundPannable> const& p (ss->pan_param (s, unused_start, unused_end));
AutoState const as = p->automation_state ();
bool const automated = (as & Play) || ((as & (Touch | Latch)) && !p->touching ());
AudioBuffer& dst_ab (_surround_bufs.get_audio (cid));
AudioBuffer const& src_ab (ss->bufs ().get_audio (s));
const uint32_t id = cid;
const uint32_t oid = _channel_id_map[cid];
if (oid > 9) {
/* object */
dst_ab.read_from (src_ab, nframes);
if (!automated || start_sample >= end_sample) {
pan_t const v[num_pan_parameters] = {
(pan_t)p->pan_pos_x->get_value (),
(pan_t)p->pan_pos_y->get_value (),
(pan_t)p->pan_pos_z->get_value (),
(pan_t)p->pan_size->get_value (),
(pan_t)p->pan_snap->get_value (),
(pan_t)p->sur_elevation_enable->get_value (),
(pan_t)p->sur_ramp->get_value (),
(pan_t)p->sur_zones->get_value ()
};
maybe_send_metadata (id, 0, v);
} else {
/* Evaluate Automation
*
* Note, exclusive end: range = [start_sample, end_sample[
* nframes == end_sample - start_sample
* IOW: end_sample == next cycle's start_sample;
*/
if (nframes < 2) {
evaluate (id, p, timepos_t (start_sample + latency), 0);
} else {
bool found_event = false;
timepos_t start (start_sample + latency);
timepos_t end (end_sample + latency);
timepos_t next (start_sample + latency - 1);
while (true) {
Evoral::ControlEvent next_event (timepos_t (Temporal::AudioTime), 0.0f);
if (!p->find_next_event (next, end, next_event)) {
break;
}
samplecnt_t pos = std::min (timepos_t (start).distance (next_event.when).samples (), (samplecnt_t)nframes - 1);
evaluate (id, p, next_event.when, pos, with_bed);
next = next_event.when;
}
/* inform live renderer */
if (!found_event && !_exporting) {
evaluate (id, p, start, 0);
}
}
}
} else {
/* bed mix */
dst_ab.merge_from (src_ab, nframes);
}
if (oid > 9 || with_bed) {
/* configure near/mid/far - not sample-accurate */
int const brm = p->binaural_render_mode->get_value ();
if (brm != _current_render_mode[id]) {
_current_render_mode[id] = brm;
#if defined(LV2_EXTENDED) && defined(HAVE_LV2_1_10_0)
URIMap::URIDs const& urids = URIMap::instance ().urids;
forge_int_msg (urids.surr_Settings, urids.surr_Channel, id, urids.surr_BinauralRenderMode, brm);
#endif
}
}
}
}
_total_n_channels = cid;
cid = std::min<size_t> (128, cid);
if (_current_n_channels != cid) {
_current_n_channels = cid;
#if defined(LV2_EXTENDED) && defined(HAVE_LV2_1_10_0)
URIMap::URIDs const& urids = URIMap::instance ().urids;
forge_int_msg (urids.surr_Settings, urids.surr_ChannelCount, _current_n_channels);
#endif
_session.SurroundObjectCountChanged(); //EMIT SIGNAL
}
if (_have_au_renderer && _binaural_render_control->get_value () != 0 && _output_format_control->get_value () != 0) {
_output_format_control->set_value (0.0, PBD::Controllable::NoGroup);
}
MainOutputFormat target_output_format = _output_format_control->get_value () == 0 ? OUTPUT_FORMAT_7_1_4 : OUTPUT_FORMAT_5_1;
if (_have_au_renderer && _binaural_render_control->get_value () != 0) {
target_output_format = OUTPUT_FORMAT_7_1_4;
}
if (_current_output_format != target_output_format) {
_current_output_format = target_output_format;
#if defined(LV2_EXTENDED) && defined(HAVE_LV2_1_10_0)
URIMap::URIDs const& urids = URIMap::instance ().urids;
forge_int_msg (urids.surr_Settings, urids.surr_OutputFormat, target_output_format);
#endif
}
uint32_t meter_nframes = nframes;
uint32_t meter_offset = 0;
if (_exporting && _export_start >= start_sample && _export_start < end_sample && start_sample != end_sample) {
_lufs_meter.reset ();
meter_offset = _export_start - start_sample;
meter_nframes -= meter_offset;
#if defined(LV2_EXTENDED) && defined(HAVE_LV2_1_10_0)
/* trigger export */
//std::cout << "SURR START EXPORT " << start_sample << " <= " << _export_start << " < " << end_sample << "\n";
URIMap::URIDs const& urids = URIMap::instance ().urids;
forge_int_msg (urids.surr_ExportStart, urids.time_frame, meter_offset);
/* Re-transmit pan pos - using export-start */
size_t cid = with_bed ? 0 : 10; // First 10 IDs are reseved for bed mixes
for (auto const& r : rl) {
std::shared_ptr<SurroundSend> ss;
if (!r->active ()) {
continue;
}
if (!(ss = r->surround_send ()) || !ss->active ()) {
continue;
}
timepos_t unused_start, unused_end;
for (uint32_t s = 0; s < ss->bufs ().count ().n_audio () && cid < max_object_id; ++s, ++cid) {
std::shared_ptr<SurroundPannable> const& p (ss->pan_param (s, unused_start, unused_end));
AutoState const as = p->automation_state ();
bool const automated = (as & Play) || ((as & (Touch | Latch)) && !p->touching ());
const uint32_t id = cid;
const uint32_t oid = _channel_id_map[cid];
if (oid > 9) {
if (!automated) {
pan_t const v[num_pan_parameters] = {
(pan_t)p->pan_pos_x->get_value (),
(pan_t)p->pan_pos_y->get_value (),
(pan_t)p->pan_pos_z->get_value (),
(pan_t)p->pan_size->get_value (),
(pan_t)p->pan_snap->get_value (),
(pan_t)p->sur_elevation_enable->get_value (),
(pan_t)p->sur_ramp->get_value (),
(pan_t)p->sur_zones->get_value ()
};
maybe_send_metadata (id, 0, v, true);
} else {
evaluate (id, p, timepos_t (_export_start), 0, true);
}
}
}
if (cid >= max_object_id) {
break;
}
}
#endif
}
if (_exporting && _export_end >= start_sample && _export_end < end_sample) {
meter_nframes = _export_end - start_sample;
#if defined(LV2_EXTENDED) && defined(HAVE_LV2_1_10_0)
//std::cout << "SURR STOP EXPORT " << start_sample << " <= " << _export_end << " < " << end_sample << "\n";
URIMap::URIDs const& urids = URIMap::instance ().urids;
forge_int_msg (urids.surr_ExportStop, urids.time_frame, _export_end - start_sample);
#endif
}
_trim->set_gain_automation_buffer (_session.trim_automation_buffer ());
_trim->setup_gain_automation (start_sample, end_sample, nframes);
_trim->run (_surround_bufs, start_sample, end_sample, speed, nframes, true);
_surround_processor->connect_and_run (_surround_bufs, start_sample, end_sample, speed, _in_map, _out_map, nframes, 0);
BufferSet::iterator i = _surround_bufs.begin (DataType::AUDIO);
uint32_t idx = 0;
for (BufferSet::iterator o = bufs.begin (DataType::AUDIO); o != bufs.end (DataType::AUDIO); ++i, ++o, ++idx) {
_delaybuffers.delay (DataType::AUDIO, idx, *o, *i, nframes);
}
if (_exporting) {
_rolling = true;
} else if (_rolling && start_sample == end_sample) {
_rolling = false;
} else if (!_rolling && start_sample != end_sample) {
_rolling = true;
_lufs_meter.reset ();
}
float const* data[5] = {
_surround_bufs.get_audio (14).data (meter_offset),
_surround_bufs.get_audio (15).data (meter_offset),
_surround_bufs.get_audio (16).data (meter_offset),
_surround_bufs.get_audio (18).data (meter_offset),
_surround_bufs.get_audio (19).data (meter_offset)
};
_lufs_meter.run (data, meter_nframes);
#ifdef __APPLE__
if (_au && _have_au_renderer && _binaural_render_control->get_value () != 0) {
for (uint32_t i = 0; i < 12; ++i) {
_au_data[i] = _surround_bufs.get_audio (i).data (0);
}
_au_buffers->mNumberBuffers = 2;
for (uint32_t i = 0; i < 2; ++i) {
_au_buffers->mBuffers[i].mNumberChannels = 1;
_au_buffers->mBuffers[i].mDataByteSize = nframes * sizeof (Sample);
_au_buffers->mBuffers[i].mData = _surround_bufs.get_audio (12 + i).data (0);
}
AudioUnitRenderActionFlags flags = 0;
AudioTimeStamp ts;
ts.mSampleTime = _au_samples_processed;
ts.mFlags = kAudioTimeStampSampleTimeValid;
OSErr err = AudioUnitRender (_au, &flags, &ts, /*bus*/ 0, nframes, _au_buffers);
if (err == noErr) {
_au_samples_processed += nframes;
uint32_t limit = std::min<uint32_t> (_au_buffers->mNumberBuffers, 2);
for (uint32_t i = 0; i < limit; ++i) {
if (_au_buffers->mBuffers[i].mData == 0 || _au_buffers->mBuffers[i].mNumberChannels != 1) {
continue;
}
Sample* expected_buffer_address = bufs.get_audio (12 + i).data (0);
if (expected_buffer_address != _au_buffers->mBuffers[i].mData) {
memcpy (expected_buffer_address, _au_buffers->mBuffers[i].mData, nframes * sizeof (Sample));
}
}
}
}
#endif
}
void
SurroundReturn::forge_int_msg (uint32_t obj_id, uint32_t key, int val, uint32_t key2, int val2)
{
URIMap::URIDs const& urids = URIMap::instance ().urids;
LV2_Atom_Forge_Frame frame;
lv2_atom_forge_set_buffer (&_forge, _atom_buf, sizeof (_atom_buf));
lv2_atom_forge_frame_time (&_forge, 0);
LV2_Atom* msg = (LV2_Atom*)lv2_atom_forge_object (&_forge, &frame, 1, obj_id);
lv2_atom_forge_key (&_forge, key);
lv2_atom_forge_int (&_forge, val);
if (key2 > 0) {
lv2_atom_forge_key (&_forge, key2);
lv2_atom_forge_int (&_forge, val2);
}
lv2_atom_forge_pop (&_forge, &frame);
_surround_processor->write_from_ui (0, urids.atom_eventTransfer, lv2_atom_total_size (msg), (const uint8_t*)msg);
}
void
SurroundReturn::maybe_send_metadata (size_t id, pframes_t sample, pan_t const v[num_pan_parameters], bool force)
{
bool changed = false;
for (size_t i = 0; i < (_with_bed ? num_pan_parameters : 5); ++i) {
if (_current_value[id][i] != v[i]) {
changed = true;
}
_current_value[id][i] = v[i];
}
if (!changed && !force) {
return;
}
URIMap::URIDs const& urids = URIMap::instance ().urids;
#if defined(LV2_EXTENDED) && defined(HAVE_LV2_1_10_0)
LV2_Atom_Forge_Frame frame;
lv2_atom_forge_set_buffer (&_forge, _atom_buf, sizeof (_atom_buf));
lv2_atom_forge_frame_time (&_forge, 0);
LV2_Atom* msg = (LV2_Atom*)lv2_atom_forge_object (&_forge, &frame, 1, urids.surr_MetaData);
lv2_atom_forge_key (&_forge, urids.time_frame);
lv2_atom_forge_int (&_forge, sample);
lv2_atom_forge_key (&_forge, urids.surr_Channel);
lv2_atom_forge_int (&_forge, id);
lv2_atom_forge_key (&_forge, urids.surr_PosX);
lv2_atom_forge_float (&_forge, v[0]);
lv2_atom_forge_key (&_forge, urids.surr_PosY);
lv2_atom_forge_float (&_forge, v[1]);
lv2_atom_forge_key (&_forge, urids.surr_PosZ);
lv2_atom_forge_float (&_forge, v[2]);
lv2_atom_forge_key (&_forge, urids.surr_Size);
lv2_atom_forge_float (&_forge, v[3]);
lv2_atom_forge_key (&_forge, urids.surr_Snap);
lv2_atom_forge_bool (&_forge, v[4] > 0 ? true : false);
if (_with_bed) {
lv2_atom_forge_key (&_forge, urids.surr_ElevEn);
lv2_atom_forge_bool (&_forge, v[5] > 0 ? true : false);
lv2_atom_forge_key (&_forge, urids.surr_Ramp);
lv2_atom_forge_bool (&_forge, v[6] > 0 ? true : false);
lv2_atom_forge_key (&_forge, urids.surr_Zones);
lv2_atom_forge_int (&_forge, (int) v[7]);
}
lv2_atom_forge_pop (&_forge, &frame);
_surround_processor->write_from_ui (0, urids.atom_eventTransfer, lv2_atom_total_size (msg), (const uint8_t*)msg);
#endif
}
void
SurroundReturn::evaluate (size_t id, std::shared_ptr<SurroundPannable> const& p, timepos_t const& when, pframes_t sample, bool force)
{
bool ok[num_pan_parameters];
pan_t const v[num_pan_parameters] = {
(pan_t)p->pan_pos_x->list ()->rt_safe_eval (when, ok[0]),
(pan_t)p->pan_pos_y->list ()->rt_safe_eval (when, ok[1]),
(pan_t)p->pan_pos_z->list ()->rt_safe_eval (when, ok[2]),
(pan_t)p->pan_size->list ()->rt_safe_eval (when, ok[3]),
(pan_t)p->pan_snap->list ()->rt_safe_eval (when, ok[4]),
force ? (pan_t)p->sur_elevation_enable->list ()->rt_safe_eval (when, ok[5]) : 1,
force ? (pan_t)p->sur_ramp->list ()->rt_safe_eval (when, ok[6]) : 0,
force ? (pan_t)p->sur_zones->list ()->rt_safe_eval (when, ok[7]) : 0
};
if (ok[0] && ok[1] && ok[2] && ok[3] && ok[4]) {
maybe_send_metadata (id, sample, v, force);
}
}
bool
SurroundReturn::can_support_io_configuration (const ChanCount& in, ChanCount& out)
{
out = ChanCount (DataType::AUDIO, 14); // 7.1.4 + binaural
return in.n_total () == 0;
}
void
SurroundReturn::set_playback_offset (samplecnt_t cnt)
{
Processor::set_playback_offset (cnt);
std::shared_ptr<RouteList const> rl (_session.get_routes ());
for (auto const& r : *rl) {
std::shared_ptr<SurroundSend> ss = r->surround_send ();
if (ss) {
ss->set_delay_out (cnt);
}
}
}
void
SurroundReturn::setup_export (std::string const& fn, samplepos_t ss, samplepos_t es)
{
URIMap::URIDs const& urids = URIMap::instance ().urids;
bool have_ref = !_export_reference.empty () && Glib::file_test (_export_reference, Glib::FileTest (Glib::FILE_TEST_EXISTS | Glib::FILE_TEST_IS_REGULAR));
float content_start = ss / (float) _session.nominal_sample_rate ();
float content_ffoa = 0;
float content_fps = 30;
switch (_session.config.get_timecode_format()) {
case Timecode::timecode_23976:
content_fps = 23.976;
break;
case Timecode::timecode_24:
content_fps = 24.0;
break;
case Timecode::timecode_25:
content_fps = 25.0;
break;
case Timecode::timecode_2997drop:
content_fps = 29.97;
break;
case Timecode::timecode_30:
content_fps = 30;
break;
default:
break;
}
uint32_t len = _export_reference.size () + 1;
LV2_Options_Option options[] = {
{ LV2_OPTIONS_INSTANCE, 0, urids.surr_ReferenceFile,
len, urids.atom_Path, have_ref ? _export_reference.c_str() : NULL},
{ LV2_OPTIONS_INSTANCE, 0, urids.surr_ContentStart,
len, urids.atom_Float, &content_start },
{ LV2_OPTIONS_INSTANCE, 0, urids.surr_ContentFFOA,
len, urids.atom_Float, &content_ffoa },
{ LV2_OPTIONS_INSTANCE, 0, urids.surr_ContentFPS,
len, urids.atom_Float, &content_fps },
{ LV2_OPTIONS_INSTANCE, 0, 0, 0, 0, NULL }
};
if (0 == _surround_processor->setup_export (fn.c_str (), options)) {
_exporting = true;
_export_start = ss - effective_latency ();
_export_end = es - effective_latency ();
}
}
void
SurroundReturn::finalize_export ()
{
//std::cout << "SurroundReturn::finalize_export\n";
_surround_processor->finalize_export ();
_exporting = false;
_export_start = _export_end = 0;
}
float
SurroundReturn::momentary () const
{
return _lufs_meter.momentary ();
}
float
SurroundReturn::max_momentary () const
{
return _lufs_meter.max_momentary ();
}
float
SurroundReturn::integrated_loudness () const
{
return _lufs_meter.integrated_loudness ();
}
float
SurroundReturn::max_dbtp () const
{
return _lufs_meter.dbtp ();
}
int
SurroundReturn::set_state (XMLNode const& node, int version)
{
int target_output_format;
if (node.get_property (X_("output-format"), target_output_format)) {
if (target_output_format == OUTPUT_FORMAT_5_1 || target_output_format == OUTPUT_FORMAT_7_1_4) {
_output_format_control->set_value (target_output_format == OUTPUT_FORMAT_7_1_4 ? 0.0 : 1.0, PBD::Controllable::NoGroup);
}
}
return _trim->set_state (node, version);
}
XMLNode&
SurroundReturn::state () const
{
XMLNode& node (_trim->state ());
node.set_property ("name", "SurrReturn");
node.set_property ("type", "surreturn");
node.set_property ("output-format", (int)_current_output_format);
return node;
}
bool
SurroundReturn::load_au_preset (size_t id)
{
#ifdef __APPLE__
if (_au && _have_au_renderer && id < _au_presets.size ()) {
AUPreset* preset = &_au_presets[id];
if (noErr == AudioUnitSetProperty (_au, kAudioUnitProperty_PresentPreset, kAudioUnitScope_Global, 0, preset, sizeof (AUPreset))) {
AudioUnitParameter changedUnit;
changedUnit.mAudioUnit = _au;
changedUnit.mParameterID = kAUParameterListener_AnyParameter;
AUParameterListenerNotify (NULL, NULL, &changedUnit);
return true;
}
}
#endif
return false;
}
bool
SurroundReturn::set_au_param (size_t id, float val)
{
#ifdef __APPLE__
if (_au && _have_au_renderer && id < _au_params.size ()) {
const AUParameter& d (_au_params[id]);
val = std::max (0.f, std::min (1.f, val));
float v = d.lower + val * (d.upper - d.lower);
return noErr == AudioUnitSetParameter (_au, d.id, d.scope, d.element, v, 0);
}
#endif
return false;
}
#ifdef __APPLE__
OSStatus
SurroundReturn::_render_callback (void* userData,
AudioUnitRenderActionFlags* ioActionFlags,
const AudioTimeStamp* inTimeStamp,
UInt32 inBusNumber,
UInt32 inNumberSamples,
AudioBufferList* ioData)
{
if (userData) {
return ((SurroundReturn*)userData)->render_callback (ioActionFlags, inTimeStamp, inBusNumber, inNumberSamples, ioData);
}
return paramErr;
}
OSStatus
SurroundReturn::render_callback (AudioUnitRenderActionFlags*,
const AudioTimeStamp*,
UInt32 bus,
UInt32 inNumberSamples,
AudioBufferList* ioData)
{
uint32_t limit = std::min<uint32_t> (ioData->mNumberBuffers, 12);
for (uint32_t i = 0; i < limit; ++i) {
ioData->mBuffers[i].mNumberChannels = 1;
ioData->mBuffers[i].mDataByteSize = sizeof (Sample) * inNumberSamples;
ioData->mBuffers[i].mData = _au_data[i];
}
return noErr;
}
#endif
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