Add input port signal meters, scopes and monitors
This commit is contained in:
parent
9a7379dfff
commit
8ba7df9105
@ -42,11 +42,55 @@ class PortEngine;
|
||||
class AudioBackend;
|
||||
class Session;
|
||||
|
||||
class CircularSampleBuffer;
|
||||
class CircularEventBuffer;
|
||||
|
||||
class LIBARDOUR_API PortManager
|
||||
{
|
||||
public:
|
||||
typedef std::map<std::string, boost::shared_ptr<Port> > Ports;
|
||||
typedef std::list<boost::shared_ptr<Port> > PortList;
|
||||
struct DPM {
|
||||
DPM ()
|
||||
{
|
||||
reset ();
|
||||
}
|
||||
void reset ()
|
||||
{
|
||||
level = 0;
|
||||
peak = 0;
|
||||
}
|
||||
Sample level;
|
||||
Sample peak;
|
||||
};
|
||||
|
||||
struct MPM {
|
||||
MPM ()
|
||||
{
|
||||
reset ();
|
||||
}
|
||||
void reset ()
|
||||
{
|
||||
memset (chn_active, 0, sizeof (float) * 17);
|
||||
}
|
||||
bool active (int chn) const {
|
||||
if (chn < 0 || chn > 16) {
|
||||
return false;
|
||||
}
|
||||
return chn_active[chn] > 0.1;
|
||||
}
|
||||
/* 0..15: MIDI Channel Event, 16: System Common Message */
|
||||
float chn_active[17];
|
||||
};
|
||||
|
||||
typedef std::map<std::string, boost::shared_ptr<Port>> Ports;
|
||||
typedef std::list<boost::shared_ptr<Port>> PortList;
|
||||
|
||||
typedef boost::shared_ptr<CircularSampleBuffer> AudioPortScope;
|
||||
typedef std::map<std::string, AudioPortScope> AudioPortScopes;
|
||||
typedef std::map<std::string, DPM> AudioPortMeters;
|
||||
|
||||
typedef boost::shared_ptr<CircularEventBuffer> MIDIPortMonitor;
|
||||
typedef std::map<std::string, MIDIPortMonitor> MIDIPortMonitors;
|
||||
typedef std::map<std::string, MPM> MIDIPortMeters;
|
||||
|
||||
PortManager ();
|
||||
virtual ~PortManager () {}
|
||||
@ -199,6 +243,26 @@ public:
|
||||
*/
|
||||
PBD::Signal5<void, boost::weak_ptr<Port>, std::string, boost::weak_ptr<Port>, std::string, bool> PortConnectedOrDisconnected;
|
||||
|
||||
void reset_input_meters ();
|
||||
|
||||
AudioPortMeters const& input_meters () const
|
||||
{
|
||||
return _audio_port_meters;
|
||||
}
|
||||
AudioPortScopes const& input_scopes () const
|
||||
{
|
||||
return _audio_port_scopes;
|
||||
}
|
||||
|
||||
MIDIPortMeters const& midi_meters () const
|
||||
{
|
||||
return _midi_port_meters;
|
||||
}
|
||||
MIDIPortMonitors const& midi_monitors () const
|
||||
{
|
||||
return _midi_port_monitors;
|
||||
}
|
||||
|
||||
protected:
|
||||
boost::shared_ptr<AudioBackend> _backend;
|
||||
|
||||
@ -245,6 +309,15 @@ protected:
|
||||
void filter_midi_ports (std::vector<std::string>&, MidiPortFlags, MidiPortFlags);
|
||||
|
||||
void set_port_buffer_sizes (pframes_t);
|
||||
|
||||
private:
|
||||
void run_input_meters (pframes_t, samplecnt_t);
|
||||
|
||||
AudioPortMeters _audio_port_meters;
|
||||
AudioPortScopes _audio_port_scopes;
|
||||
MIDIPortMeters _midi_port_meters;
|
||||
MIDIPortMonitors _midi_port_monitors;
|
||||
volatile gint _reset_meters;
|
||||
};
|
||||
|
||||
} // namespace ARDOUR
|
||||
|
@ -301,7 +301,7 @@ AudioEngine::process_callback (pframes_t nframes)
|
||||
if (_session && _init_countdown > 0) {
|
||||
--_init_countdown;
|
||||
/* Warm up caches */
|
||||
PortManager::cycle_start (nframes);
|
||||
PortManager::cycle_start (nframes, _session);
|
||||
_session->process (nframes);
|
||||
PortManager::silence (nframes);
|
||||
PortManager::cycle_end (nframes);
|
||||
|
@ -819,7 +819,7 @@ LuaBindings::common (lua_State* L)
|
||||
|
||||
.beginClass <PBD::PropertyChange> ("PropertyChange")
|
||||
// TODO add special handling (std::set<PropertyID>), PropertyID is a GQuark.
|
||||
// -> direct map to lua table beginStdSet()A
|
||||
// -> direct map to lua table beginStdSet()
|
||||
//
|
||||
// expand templated PropertyDescriptor<T>
|
||||
.addFunction ("containsBool", &PBD::PropertyChange::contains<bool>)
|
||||
@ -1396,6 +1396,19 @@ LuaBindings::common (lua_State* L)
|
||||
|
||||
.endNamespace () /* ARDOUR::MidiModel */
|
||||
|
||||
.beginClass <PortManager::DPM> ("DPM")
|
||||
.addVoidConstructor ()
|
||||
.addFunction ("reset", &PortManager::DPM::reset)
|
||||
.addData ("level", &PortManager::DPM::level, false)
|
||||
.addData ("peak", &PortManager::DPM::peak, false)
|
||||
.endClass ()
|
||||
|
||||
.beginClass <PortManager::MPM> ("MPM")
|
||||
.addVoidConstructor ()
|
||||
.addFunction ("reset", &PortManager::MPM::reset)
|
||||
.addFunction ("active", &PortManager::MPM::active)
|
||||
.endClass ()
|
||||
|
||||
.beginClass <Plugin::PresetRecord> ("PresetRecord")
|
||||
.addVoidConstructor ()
|
||||
.addData ("uri", &Plugin::PresetRecord::uri, false)
|
||||
@ -1774,6 +1787,14 @@ LuaBindings::common (lua_State* L)
|
||||
.beginStdMap <PBD::ID,boost::shared_ptr<Region> > ("RegionMap")
|
||||
.endClass ()
|
||||
|
||||
// typedef std::map<std::string, DPM> PortManager::AudioPortMeters;
|
||||
.beginStdMap <std::string, PortManager::DPM> ("AudioPortMeters")
|
||||
.endClass ()
|
||||
|
||||
// typedef std::map<std::string, MPM> PortManager::MIDIPortMeters;
|
||||
.beginStdMap <std::string, PortManager::MPM> ("MIDIPortMeters")
|
||||
.endClass ()
|
||||
|
||||
// typedef std::list<boost::shared_ptr<Processor> > ProcessorList
|
||||
.beginStdList <boost::shared_ptr<Processor> > ("ProcessorList")
|
||||
.endClass ()
|
||||
@ -2335,6 +2356,8 @@ LuaBindings::common (lua_State* L)
|
||||
.addFunction ("get_physical_inputs", &PortManager::get_physical_inputs)
|
||||
.addFunction ("n_physical_outputs", &PortManager::n_physical_outputs)
|
||||
.addFunction ("n_physical_inputs", &PortManager::n_physical_inputs)
|
||||
.addFunction ("reset_input_meters", &PortManager::reset_input_meters)
|
||||
.addFunction ("input_meters", &PortManager::input_meters)
|
||||
.addRefFunction ("get_connections", &PortManager::get_connections)
|
||||
.addRefFunction ("get_ports", (int (PortManager::*)(DataType, PortManager::PortList&))&PortManager::get_ports)
|
||||
.addRefFunction ("get_backend_ports", (int (PortManager::*)(const std::string&, DataType, PortFlags, std::vector<std::string>&))&PortManager::get_ports)
|
||||
|
@ -37,6 +37,7 @@
|
||||
#include "ardour/async_midi_port.h"
|
||||
#include "ardour/audio_backend.h"
|
||||
#include "ardour/audio_port.h"
|
||||
#include "ardour/circular_buffer.h"
|
||||
#include "ardour/debug.h"
|
||||
#include "ardour/filesystem_paths.h"
|
||||
#include "ardour/midi_port.h"
|
||||
@ -633,6 +634,12 @@ PortManager::reestablish_ports ()
|
||||
return -1;
|
||||
}
|
||||
|
||||
_audio_port_scopes.clear();
|
||||
_audio_port_meters.clear();
|
||||
_midi_port_monitors.clear();
|
||||
_midi_port_meters.clear();
|
||||
run_input_meters (0, 0);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
@ -821,6 +828,8 @@ PortManager::cycle_start (pframes_t nframes, Session* s)
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
run_input_meters (nframes, s ? s->nominal_sample_rate () : 0);
|
||||
}
|
||||
|
||||
void
|
||||
@ -1403,3 +1412,152 @@ PortManager::check_for_ambiguous_latency (bool log) const
|
||||
}
|
||||
return rv;
|
||||
}
|
||||
|
||||
void
|
||||
PortManager::reset_input_meters ()
|
||||
{
|
||||
g_atomic_int_set (&_reset_meters, 1);
|
||||
}
|
||||
|
||||
/* Cache dB -> coefficient calculation for dB/sec falloff.
|
||||
* @n_samples engine-buffer-size
|
||||
* @rate engine sample-rate
|
||||
* @return coefficiant taking user preferences meter_falloff (dB/sec) into account
|
||||
*/
|
||||
struct FallOffCache
|
||||
{
|
||||
FallOffCache ()
|
||||
: _falloff (1.0)
|
||||
, _cfg_db_s (0)
|
||||
, _n_samples (0)
|
||||
, _rate (0)
|
||||
{}
|
||||
|
||||
float calc (pframes_t n_samples, samplecnt_t rate)
|
||||
{
|
||||
if (n_samples == 0 || rate == 0) {
|
||||
return 1.0;
|
||||
}
|
||||
|
||||
if (Config->get_meter_falloff () != _cfg_db_s || n_samples != _n_samples || rate != _rate) {
|
||||
_cfg_db_s = Config->get_meter_falloff ();
|
||||
_n_samples = n_samples;
|
||||
_rate = rate;
|
||||
#ifdef _GNU_SOURCE
|
||||
_falloff = exp10f (-0.05f * _cfg_db_s * _n_samples / _rate);
|
||||
#else
|
||||
_falloff = powf (10.f, -0.05f * _cfg_db_s * _n_samples / _rate);
|
||||
#endif
|
||||
}
|
||||
|
||||
return _falloff;
|
||||
}
|
||||
|
||||
private:
|
||||
float _falloff;
|
||||
float _cfg_db_s;
|
||||
pframes_t _n_samples;
|
||||
samplecnt_t _rate;
|
||||
};
|
||||
|
||||
static FallOffCache falloff_cache;
|
||||
|
||||
void
|
||||
PortManager::run_input_meters (pframes_t n_samples, samplecnt_t rate)
|
||||
{
|
||||
const bool reset = g_atomic_int_compare_and_exchange (&_reset_meters, 1, 0);
|
||||
|
||||
const float falloff = falloff_cache.calc (n_samples, rate);
|
||||
|
||||
/* calculate peak of all physical inputs (readable ports) */
|
||||
std::vector<std::string> port_names;
|
||||
get_physical_inputs (DataType::AUDIO, port_names);
|
||||
for (std::vector<std::string>::iterator p = port_names.begin(); p != port_names.end(); ++p) {
|
||||
if (port_is_mine (*p)) {
|
||||
continue;
|
||||
}
|
||||
PortEngine::PortHandle ph = _backend->get_port_by_name (*p);
|
||||
if (!ph) {
|
||||
continue;
|
||||
}
|
||||
if (n_samples == 0) {
|
||||
/* allocate using default c'tor */
|
||||
_audio_port_meters[*p];
|
||||
_audio_port_scopes[*p] = AudioPortScope (new CircularSampleBuffer (524288)); // 2^19 ~ 1MB / port
|
||||
continue;
|
||||
}
|
||||
|
||||
if (reset) {
|
||||
_audio_port_meters[*p].reset ();
|
||||
}
|
||||
|
||||
Sample* buf = (Sample*) _backend->get_buffer (ph, n_samples);
|
||||
if (!buf) {
|
||||
continue;
|
||||
}
|
||||
|
||||
_audio_port_scopes[*p]->write (buf, n_samples);
|
||||
|
||||
|
||||
/* falloff */
|
||||
if (_audio_port_meters[*p].level > 1e-10) {
|
||||
_audio_port_meters[*p].level *= falloff;
|
||||
} else {
|
||||
_audio_port_meters[*p].level = 0;
|
||||
}
|
||||
|
||||
_audio_port_meters[*p].level = compute_peak (buf, n_samples, reset ? 0 : _audio_port_meters[*p].level);
|
||||
_audio_port_meters[*p].level = std::min (_audio_port_meters[*p].level, 100.f); // cut off at +40dBFS for falloff.
|
||||
_audio_port_meters[*p].peak = std::max (_audio_port_meters[*p].peak, _audio_port_meters[*p].level);
|
||||
}
|
||||
|
||||
/* MIDI */
|
||||
port_names.clear ();
|
||||
get_physical_inputs (DataType::MIDI, port_names);
|
||||
for (std::vector<std::string>::iterator p = port_names.begin(); p != port_names.end(); ++p) {
|
||||
if (port_is_mine (*p)) {
|
||||
continue;
|
||||
}
|
||||
PortEngine::PortHandle ph = _backend->get_port_by_name (*p);
|
||||
if (!ph) {
|
||||
continue;
|
||||
}
|
||||
|
||||
if (n_samples == 0) {
|
||||
/* allocate using default c'tor */
|
||||
_midi_port_meters[*p];
|
||||
_midi_port_monitors[*p] = MIDIPortMonitor (new CircularEventBuffer (32));
|
||||
continue;
|
||||
}
|
||||
|
||||
for (size_t i = 0; i < 17; ++i) {
|
||||
/* falloff */
|
||||
if (_midi_port_meters[*p].chn_active[i] > 1e-10) {
|
||||
_midi_port_meters[*p].chn_active[i] *= falloff;
|
||||
} else {
|
||||
_midi_port_meters[*p].chn_active[i] = 0;
|
||||
}
|
||||
}
|
||||
|
||||
void* buffer = _backend->get_buffer (ph, n_samples);
|
||||
const pframes_t event_count = _backend->get_midi_event_count (buffer);
|
||||
|
||||
for (pframes_t i = 0; i < event_count; ++i) {
|
||||
pframes_t timestamp;
|
||||
size_t size;
|
||||
uint8_t const* buf;
|
||||
_backend->midi_event_get (timestamp, size, &buf, buffer, i);
|
||||
if (buf[0] == 0xfe) {
|
||||
/* ignore active sensing */
|
||||
continue;
|
||||
}
|
||||
if ((buf[0] & 0xf0) == 0xf0) {
|
||||
_midi_port_meters[*p].chn_active[16] = 1.0;
|
||||
} else {
|
||||
int chn = (buf[0] & 0x0f);
|
||||
_midi_port_meters[*p].chn_active[chn] = 1.0;
|
||||
}
|
||||
_midi_port_monitors[*p]->write (buf, size);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
Loading…
Reference in New Issue
Block a user