#include <stdint.h>
#include <pthread.h>
+#include <ltc.h>
+
#include <boost/shared_ptr.hpp>
+#include "pbd/natsort.h"
+#include "pbd/ringbuffer.h"
#include "ardour/types.h"
#include "ardour/audio_backend.h"
+#include "ardour/dsp_load_calculator.h"
namespace ARDOUR {
namespace DummyMidiData {
typedef struct _MIDISequence {
float beat_time;
- uint8_t event[3];
+ uint8_t size;
+ uint8_t event[10];
} MIDISequence;
};
+
class DummyMidiEvent {
public:
DummyMidiEvent (const pframes_t timestamp, const uint8_t* data, size_t size);
virtual ~DummyPort ();
const std::string& name () const { return _name; }
+ const std::string& pretty_name () const { return _pretty_name; }
PortFlags flags () const { return _flags; }
int set_name (const std::string &name) { _name = name; return 0; }
+ int set_pretty_name (const std::string &name) { _pretty_name = name; return 0; }
virtual DataType type () const = 0;
bool is_connected (const DummyPort *port) const;
bool is_physically_connected () const;
- const std::vector<DummyPort *>& get_connections () const { return _connections; }
+ const std::set<DummyPort *>& get_connections () const { return _connections; }
int connect (DummyPort *port);
int disconnect (DummyPort *port);
virtual void* get_buffer (pframes_t nframes) = 0;
void next_period () { _gen_cycle = false; }
- const LatencyRange& latency_range (bool for_playback) const
+ const LatencyRange latency_range (bool for_playback) const
{
return for_playback ? _playback_latency_range : _capture_latency_range;
}
private:
DummyAudioBackend &_dummy_backend;
std::string _name;
+ std::string _pretty_name;
const PortFlags _flags;
LatencyRange _capture_latency_range;
LatencyRange _playback_latency_range;
- std::vector<DummyPort*> _connections;
+ std::set<DummyPort*> _connections;
void _connect (DummyPort* , bool);
void _disconnect (DummyPort* , bool);
enum GeneratorType {
Silence,
+ DC05,
+ Demolition,
UniformWhiteNoise,
GaussianWhiteNoise,
PinkNoise,
PonyNoise,
SineWave,
+ SineWaveOctaves,
SquareWave,
KronekerDelta,
SineSweep,
SineSweepSwell,
+ SquareSweep,
+ SquareSweepSwell,
+ LTC,
+ Loopback,
};
- void setup_generator (GeneratorType const, float const);
+ std::string setup_generator (GeneratorType const, float const, int, int);
+ void fill_wavetable (const float* d, size_t n_samples) { assert(_wavetable != 0); memcpy(_wavetable, d, n_samples * sizeof(float)); }
+ void midi_to_wavetable (DummyMidiBuffer const * const src, size_t n_samples);
private:
Sample _buffer[8192];
float grandf ();
bool _pass;
float _rn1;
+ // LTC generator
+ LTCEncoder* _ltc;
+ PBD::RingBuffer<Sample>* _ltcbuf;
+ float _ltc_spd;
+ float _ltc_rand;
+
}; // class DummyAudioPort
DataType type () const { return DataType::MIDI; };
void* get_buffer (pframes_t nframes);
- const DummyMidiBuffer const_buffer () const { return _buffer; }
+ const DummyMidiBuffer * const_buffer () const { return &_buffer; }
- void setup_generator (int, float const);
+ std::string setup_generator (int, float const);
+ void set_loopback (DummyMidiBuffer const * const src);
private:
DummyMidiBuffer _buffer;
+ DummyMidiBuffer _loopback;
// midi event generator ('fake' physical inputs)
void midi_generate (const pframes_t n_samples);
DummyAudioBackend (AudioEngine& e, AudioBackendInfo& info);
~DummyAudioBackend ();
+ bool is_running () const { return _running; }
+
/* AUDIOBACKEND API */
std::string name () const;
bool is_realtime () const;
+ bool requires_driver_selection() const { return true; }
+ std::string driver_name () const;
+ std::vector<std::string> enumerate_drivers () const;
+ int set_driver (const std::string&);
+
std::vector<DeviceStatus> enumerate_devices () const;
std::vector<float> available_sample_rates (const std::string& device) const;
std::vector<uint32_t> available_buffer_sizes (const std::string& device) const;
size_t raw_buffer_size (DataType t);
/* Process time */
- pframes_t sample_time ();
- pframes_t sample_time_at_cycle_start ();
+ samplepos_t sample_time ();
+ samplepos_t sample_time_at_cycle_start ();
pframes_t samples_since_cycle_start ();
int create_process_thread (boost::function<void()> func);
std::string get_port_name (PortHandle) const;
PortHandle get_port_by_name (const std::string&) const;
+ int get_port_property (PortHandle, const std::string& key, std::string& value, std::string& type) const;
+ int set_port_property (PortHandle, const std::string& key, const std::string& value, const std::string& type);
+
int get_ports (const std::string& port_name_pattern, DataType type, PortFlags flags, std::vector<std::string>&) const;
DataType port_data_type (PortHandle) const;
int get_connections (PortHandle, std::vector<std::string>&, bool process_callback_safe);
/* MIDI */
- int midi_event_get (pframes_t& timestamp, size_t& size, uint8_t** buf, void* port_buffer, uint32_t event_index);
+ int midi_event_get (pframes_t& timestamp, size_t& size, uint8_t const** buf, void* port_buffer, uint32_t event_index);
int midi_event_put (void* port_buffer, pframes_t timestamp, const uint8_t* buffer, size_t size);
uint32_t get_midi_event_count (void* port_buffer);
void midi_clear (void* port_buffer);
void* main_process_thread ();
+ static size_t max_buffer_size() {return _max_buffer_size;}
+
private:
+ enum MidiPortMode {
+ MidiNoEvents,
+ MidiGenerator,
+ MidiLoopback,
+ MidiToAudio,
+ };
+
+ struct DriverSpeed {
+ std::string name;
+ float speedup;
+ DriverSpeed (const std::string& n, float s) : name (n), speedup (s) {}
+ };
+
std::string _instance_name;
static std::vector<std::string> _midi_options;
static std::vector<AudioBackend::DeviceStatus> _device_status;
+ static std::vector<DummyAudioBackend::DriverSpeed> _driver_speed;
bool _running;
+ bool _freewheel;
bool _freewheeling;
+ float _speedup;
std::string _device;
float _samplerate;
size_t _samples_per_period;
float _dsp_load;
+ DSPLoadCalculator _dsp_load_calc;
static size_t _max_buffer_size;
uint32_t _n_inputs;
uint32_t _n_midi_inputs;
uint32_t _n_midi_outputs;
- bool _enable_midi_generators;
+ MidiPortMode _midi_mode;
uint32_t _systemic_input_latency;
uint32_t _systemic_output_latency;
- uint64_t _processed_samples;
+ samplecnt_t _processed_samples;
pthread_t _main_thread;
void unregister_ports (bool system_only = false);
std::vector<DummyAudioPort *> _system_inputs;
+ std::vector<DummyAudioPort *> _system_outputs;
std::vector<DummyMidiPort *> _system_midi_in;
- std::vector<DummyPort *> _ports;
+ std::vector<DummyMidiPort *> _system_midi_out;
+
+ struct SortByPortName
+ {
+ bool operator ()(const DummyPort* lhs, const DummyPort* rhs) const
+ {
+ return PBD::naturally_less (lhs->name ().c_str (), rhs->name ().c_str ());
+ }
+ };
+
+ typedef std::map<std::string, DummyPort *> PortMap; // fast lookup in _ports
+ typedef std::set<DummyPort *, SortByPortName> PortIndex; // fast lookup in _ports
+ PortMap _portmap;
+ PortIndex _ports;
struct PortConnectData {
std::string a;
}
bool valid_port (PortHandle port) const {
- return std::find (_ports.begin (), _ports.end (), (DummyPort*)port) != _ports.end ();
+ return std::find (_ports.begin(), _ports.end(), static_cast<DummyPort*>(port)) != _ports.end ();
}
- DummyPort * find_port (const std::string& port_name) const {
- for (std::vector<DummyPort*>::const_iterator it = _ports.begin (); it != _ports.end (); ++it) {
- if ((*it)->name () == port_name) {
- return *it;
- }
+ DummyPort* find_port (const std::string& port_name) const {
+ PortMap::const_iterator it = _portmap.find (port_name);
+ if (it == _portmap.end()) {
+ return NULL;
}
- return NULL;
+ return (*it).second;
}
}; // class DummyAudioBackend