#include <boost/shared_ptr.hpp>
-#include "ardour/types.h"
#include "ardour/audio_backend.h"
+#include "ardour/dsp_load_calculator.h"
+#include "ardour/system_exec.h"
+#include "ardour/types.h"
+
+#include "ardouralsautil/deviceinfo.h"
#include "zita-alsa-pcmi.h"
#include "alsa_rawmidi.h"
+#include "alsa_sequencer.h"
namespace ARDOUR {
virtual ~AlsaPort ();
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;
virtual void* get_buffer (pframes_t nframes) = 0;
- 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:
AlsaAudioBackend &_alsa_backend;
std::string _name;
+ std::string _pretty_name;
const PortFlags _flags;
LatencyRange _capture_latency_range;
LatencyRange _playback_latency_range;
DataType type () const { return DataType::MIDI; };
void* get_buffer (pframes_t nframes);
- const AlsaMidiBuffer const_buffer () const { return _buffer; }
+ const AlsaMidiBuffer * const_buffer () const { return & _buffer[_bufperiod]; }
+
+ void next_period() { if (_n_periods > 1) { get_buffer(0); _bufperiod = (_bufperiod + 1) % _n_periods; } }
+ void set_n_periods(int n) { if (n > 0 && n < 4) { _n_periods = n; } }
private:
- AlsaMidiBuffer _buffer;
+ AlsaMidiBuffer _buffer[3];
+ int _n_periods;
+ int _bufperiod;
}; // class AlsaMidiPort
class AlsaAudioBackend : public AudioBackend {
std::string name () const;
bool is_realtime () const;
+ bool use_separate_input_and_output_devices () const { return true; }
+ bool can_set_period_size () const { return true; }
+
std::vector<DeviceStatus> enumerate_devices () const;
+ std::vector<DeviceStatus> enumerate_input_devices () const;
+ std::vector<DeviceStatus> enumerate_output_devices () const;
std::vector<float> available_sample_rates (const std::string& device) const;
+ std::vector<float> available_sample_rates2 (const std::string&, const std::string&) const;
std::vector<uint32_t> available_buffer_sizes (const std::string& device) const;
+ std::vector<uint32_t> available_buffer_sizes2 (const std::string&, const std::string&) const;
+ std::vector<uint32_t> available_period_sizes (const std::string& driver) const;
uint32_t available_input_channel_count (const std::string& device) const;
uint32_t available_output_channel_count (const std::string& device) const;
bool can_change_sample_rate_when_running () const;
bool can_change_buffer_size_when_running () const;
+ bool can_change_systemic_latency_when_running () const { return true; }
+
int set_device_name (const std::string&);
+ int set_input_device_name (const std::string&);
+ int set_output_device_name (const std::string&);
int set_sample_rate (float);
int set_buffer_size (uint32_t);
+ int set_peridod_size (uint32_t);
int set_interleaved (bool yn);
int set_input_channels (uint32_t);
int set_output_channels (uint32_t);
int set_systemic_input_latency (uint32_t);
int set_systemic_output_latency (uint32_t);
+ int set_systemic_midi_input_latency (std::string const, uint32_t);
+ int set_systemic_midi_output_latency (std::string const, uint32_t);
+
+ int reset_device () { return 0; };
/* Retrieving parameters */
std::string device_name () const;
+ std::string input_device_name () const;
+ std::string output_device_name () const;
float sample_rate () const;
uint32_t buffer_size () const;
+ uint32_t period_size () const;
bool interleaved () const;
uint32_t input_channels () const;
uint32_t output_channels () const;
uint32_t systemic_input_latency () const;
uint32_t systemic_output_latency () const;
+ uint32_t systemic_midi_input_latency (std::string const) const;
+ uint32_t systemic_midi_output_latency (std::string const) const;
+
+ bool can_set_systemic_midi_latencies () const { return true; }
/* External control app */
std::string control_app_name () const { return std::string (); }
int set_midi_option (const std::string&);
std::string midi_option () const;
+ std::vector<DeviceStatus> enumerate_midi_devices () const;
+ int set_midi_device_enabled (std::string const, bool);
+ bool midi_device_enabled (std::string const) const;
+
/* State Control */
protected:
int _start (bool for_latency_measurement);
size_t raw_buffer_size (DataType t);
/* Process time */
- pframes_t sample_time ();
- pframes_t sample_time_at_cycle_start ();
+ framepos_t sample_time ();
+ framepos_t sample_time_at_cycle_start ();
pframes_t samples_since_cycle_start ();
int create_process_thread (boost::function<void()> func);
int set_port_name (PortHandle, const std::string&);
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 get_ports (const std::string& port_name_pattern, DataType type, PortFlags flags, std::vector<std::string>&) const;
std::string _instance_name;
Alsa_pcmi *_pcmi;
- bool _running;
+ bool _run; /* keep going or stop, ardour thread */
+ bool _active; /* is running, process thread */
+ bool _freewheel;
bool _freewheeling;
-
- void enumerate_midi_devices (std::vector<std::string> &) const;
- std::string _capture_device;
- std::string _playback_device;
- std::string _midi_device;
-
+ bool _measure_latency;
+
+ uint64_t _last_process_start;
+
+ static std::vector<std::string> _midi_options;
+ static std::vector<AudioBackend::DeviceStatus> _input_audio_device_status;
+ static std::vector<AudioBackend::DeviceStatus> _output_audio_device_status;
+ static std::vector<AudioBackend::DeviceStatus> _duplex_audio_device_status;
+ static std::vector<AudioBackend::DeviceStatus> _midi_device_status;
+ static ARDOUR::ALSADeviceInfo _input_audio_device_info;
+ static ARDOUR::ALSADeviceInfo _output_audio_device_info;
+
+ mutable std::string _input_audio_device;
+ mutable std::string _output_audio_device;
+ std::string _midi_driver_option;
+
+ /* audio device reservation */
+ ARDOUR::SystemExec *_device_reservation;
+ PBD::ScopedConnectionList _reservation_connection;
+ void reservation_stdout (std::string, size_t);
+ bool acquire_device(const char* device_name);
+ void release_device();
+ bool _reservation_succeeded;
+
+ /* audio settings */
float _samplerate;
size_t _samples_per_period;
size_t _periods_per_cycle;
- float _dsp_load;
static size_t _max_buffer_size;
uint32_t _n_inputs;
uint32_t _n_outputs;
- uint32_t _systemic_input_latency;
- uint32_t _systemic_output_latency;
+ uint32_t _systemic_audio_input_latency;
+ uint32_t _systemic_audio_output_latency;
+
+ /* midi settings */
+ struct AlsaMidiDeviceInfo {
+ bool enabled;
+ uint32_t systemic_input_latency;
+ uint32_t systemic_output_latency;
+ AlsaMidiDeviceInfo()
+ : enabled (true)
+ , systemic_input_latency (0)
+ , systemic_output_latency (0)
+ {}
+ };
- uint64_t _processed_samples;
+ mutable std::map<std::string, struct AlsaMidiDeviceInfo *> _midi_devices;
+ struct AlsaMidiDeviceInfo * midi_device_info(std::string const) const;
+ /* processing */
+ float _dsp_load;
+ ARDOUR::DSPLoadCalculator _dsp_load_calc;
+ framecnt_t _processed_samples;
pthread_t _main_thread;
/* process threads */
/* port engine */
PortHandle add_port (const std::string& shortname, ARDOUR::DataType, ARDOUR::PortFlags);
int register_system_audio_ports ();
- int register_system_midi_ports ();
- void unregister_system_ports ();
+ int register_system_midi_ports (const std::string device = "");
+ void unregister_ports (bool system_only = false);
std::vector<AlsaPort *> _ports;
std::vector<AlsaPort *> _system_inputs;
std::vector<AlsaPort *> _system_midi_in;
std::vector<AlsaPort *> _system_midi_out;
- std::vector<AlsaRawMidiOut *> _rmidi_out;
- std::vector<AlsaRawMidiIn *> _rmidi_in;
+ std::vector<AlsaMidiOut *> _rmidi_out;
+ std::vector<AlsaMidiIn *> _rmidi_in;
+
+ unsigned _midi_ins;
+ unsigned _midi_outs;
struct PortConnectData {
std::string a;
std::vector<PortConnectData *> _port_connection_queue;
pthread_mutex_t _port_callback_mutex;
+ bool _port_change_flag;
void port_connect_callback (const std::string& a, const std::string& b, bool conn) {
pthread_mutex_lock (&_port_callback_mutex);
pthread_mutex_unlock (&_port_callback_mutex);
}
+ void port_connect_add_remove_callback () {
+ pthread_mutex_lock (&_port_callback_mutex);
+ _port_change_flag = true;
+ pthread_mutex_unlock (&_port_callback_mutex);
+ }
+
bool valid_port (PortHandle port) const {
return std::find (_ports.begin (), _ports.end (), (AlsaPort*)port) != _ports.end ();
}
return NULL;
}
+ void update_systemic_audio_latencies ();
+ void update_systemic_midi_latencies ();
+
}; // class AlsaAudioBackend
} // namespace
projects / ardour.git / blobdiff