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update JACK backend to use new inheritance structure for AudioBackend

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This commit is contained in:
Paul Davis 2013-09-13 11:21:43 -04:00
parent f9d08daa47
commit 83a826095d
5 changed files with 148 additions and 284 deletions
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18
libs/backends/jack/jack_api.cc
View file

@ -19,12 +19,10 @@
#include "jack_connection.h" #include "jack_connection.h"
#include "jack_audiobackend.h" #include "jack_audiobackend.h"
#include "jack_portengine.h"
using namespace ARDOUR; using namespace ARDOUR;
static boost::shared_ptr<JACKAudioBackend> backend; static boost::shared_ptr<JACKAudioBackend> backend;
static boost::shared_ptr<JACKPortEngine> port_engine;
static boost::shared_ptr<JackConnection> jack_connection; static boost::shared_ptr<JackConnection> jack_connection;
static boost::shared_ptr<AudioBackend> static boost::shared_ptr<AudioBackend>
@ -41,20 +39,6 @@ backend_factory (AudioEngine& ae)
return backend; return backend;
} }
static boost::shared_ptr<PortEngine>
portengine_factory (PortManager& pm)
{
if (!jack_connection) {
return boost::shared_ptr<PortEngine>();
}
if (!port_engine) {
port_engine.reset (new JACKPortEngine (pm, jack_connection));
}
return port_engine;
}
static int static int
instantiate (const std::string& arg1, const std::string& arg2) instantiate (const std::string& arg1, const std::string& arg2)
{ {
@ -70,7 +54,6 @@ instantiate (const std::string& arg1, const std::string& arg2)
static int static int
deinstantiate () deinstantiate ()
{ {
port_engine.reset ();
backend.reset (); backend.reset ();
jack_connection.reset (); jack_connection.reset ();
@ -95,7 +78,6 @@ extern "C" {
instantiate, instantiate,
deinstantiate, deinstantiate,
backend_factory, backend_factory,
portengine_factory,
already_configured, already_configured,
}; };
} }

50
libs/backends/jack/jack_audiobackend.cc
View file

@ -36,7 +36,6 @@
#include "jack_audiobackend.h" #include "jack_audiobackend.h"
#include "jack_connection.h" #include "jack_connection.h"
#include "jack_portengine.h"
#include "jack_utils.h" #include "jack_utils.h"
#include "i18n.h" #include "i18n.h"
@ -67,6 +66,7 @@ JACKAudioBackend::JACKAudioBackend (AudioEngine& e, boost::shared_ptr<JackConnec
, _current_sample_rate (0) , _current_sample_rate (0)
, _current_buffer_size (0) , _current_buffer_size (0)
{ {
_jack_connection->Connected.connect_same_thread (jack_connection_connection, boost::bind (&JACKAudioBackend::when_connected_to_jack, this));
_jack_connection->Disconnected.connect_same_thread (disconnect_connection, boost::bind (&JACKAudioBackend::disconnected, this, _1)); _jack_connection->Disconnected.connect_same_thread (disconnect_connection, boost::bind (&JACKAudioBackend::disconnected, this, _1));
} }
@ -87,7 +87,7 @@ JACKAudioBackend::private_handle() const
} }
bool bool
JACKAudioBackend::connected() const JACKAudioBackend::available() const
{ {
return (private_handle() != 0); return (private_handle() != 0);
} }
@ -158,7 +158,7 @@ JACKAudioBackend::available_sample_rates (const string& /*device*/) const
{ {
vector<float> f; vector<float> f;
if (connected()) { if (available()) {
f.push_back (sample_rate()); f.push_back (sample_rate());
return f; return f;
} }
@ -186,7 +186,7 @@ JACKAudioBackend::available_buffer_sizes (const string& /*device*/) const
{ {
vector<uint32_t> s; vector<uint32_t> s;
if (connected()) { if (available()) {
s.push_back (buffer_size()); s.push_back (buffer_size());
return s; return s;
} }
@ -223,7 +223,7 @@ JACKAudioBackend::available_output_channel_count (const string& /*device*/) cons
int int
JACKAudioBackend::set_device_name (const string& dev) JACKAudioBackend::set_device_name (const string& dev)
{ {
if (connected()) { if (available()) {
/* need to stop and restart JACK for this to work, at present */ /* need to stop and restart JACK for this to work, at present */
return -1; return -1;
} }
@ -235,7 +235,7 @@ JACKAudioBackend::set_device_name (const string& dev)
int int
JACKAudioBackend::set_sample_rate (float sr) JACKAudioBackend::set_sample_rate (float sr)
{ {
if (!connected()) { if (!available()) {
_target_sample_rate = sr; _target_sample_rate = sr;
return 0; return 0;
} }
@ -252,7 +252,7 @@ JACKAudioBackend::set_sample_rate (float sr)
int int
JACKAudioBackend::set_buffer_size (uint32_t nframes) JACKAudioBackend::set_buffer_size (uint32_t nframes)
{ {
if (!connected()) { if (!available()) {
_target_buffer_size = nframes; _target_buffer_size = nframes;
return 0; return 0;
} }
@ -293,7 +293,7 @@ JACKAudioBackend::set_interleaved (bool yn)
int int
JACKAudioBackend::set_input_channels (uint32_t cnt) JACKAudioBackend::set_input_channels (uint32_t cnt)
{ {
if (connected()) { if (available()) {
return -1; return -1;
} }
@ -305,7 +305,7 @@ JACKAudioBackend::set_input_channels (uint32_t cnt)
int int
JACKAudioBackend::set_output_channels (uint32_t cnt) JACKAudioBackend::set_output_channels (uint32_t cnt)
{ {
if (connected()) { if (available()) {
return -1; return -1;
} }
@ -317,7 +317,7 @@ JACKAudioBackend::set_output_channels (uint32_t cnt)
int int
JACKAudioBackend::set_systemic_input_latency (uint32_t l) JACKAudioBackend::set_systemic_input_latency (uint32_t l)
{ {
if (connected()) { if (available()) {
return -1; return -1;
} }
@ -329,7 +329,7 @@ JACKAudioBackend::set_systemic_input_latency (uint32_t l)
int int
JACKAudioBackend::set_systemic_output_latency (uint32_t l) JACKAudioBackend::set_systemic_output_latency (uint32_t l)
{ {
if (connected()) { if (available()) {
return -1; return -1;
} }
@ -343,7 +343,7 @@ JACKAudioBackend::set_systemic_output_latency (uint32_t l)
std::string std::string
JACKAudioBackend::device_name () const JACKAudioBackend::device_name () const
{ {
if (connected()) { if (available()) {
return "???"; return "???";
} }
@ -353,7 +353,7 @@ JACKAudioBackend::device_name () const
float float
JACKAudioBackend::sample_rate () const JACKAudioBackend::sample_rate () const
{ {
if (connected()) { if (available()) {
return _current_sample_rate; return _current_sample_rate;
} }
return _target_sample_rate; return _target_sample_rate;
@ -362,7 +362,7 @@ JACKAudioBackend::sample_rate () const
uint32_t uint32_t
JACKAudioBackend::buffer_size () const JACKAudioBackend::buffer_size () const
{ {
if (connected()) { if (available()) {
return _current_buffer_size; return _current_buffer_size;
} }
return _target_buffer_size; return _target_buffer_size;
@ -383,7 +383,7 @@ JACKAudioBackend::interleaved () const
uint32_t uint32_t
JACKAudioBackend::input_channels () const JACKAudioBackend::input_channels () const
{ {
if (connected()) { if (available()) {
return n_physical (JackPortIsInput).n_audio(); return n_physical (JackPortIsInput).n_audio();
} }
return _target_input_channels; return _target_input_channels;
@ -392,7 +392,7 @@ JACKAudioBackend::input_channels () const
uint32_t uint32_t
JACKAudioBackend::output_channels () const JACKAudioBackend::output_channels () const
{ {
if (connected()) { if (available()) {
return n_physical (JackPortIsOutput).n_audio(); return n_physical (JackPortIsOutput).n_audio();
} }
return _target_output_channels; return _target_output_channels;
@ -467,7 +467,7 @@ JACKAudioBackend::setup_jack_startup_command ()
int int
JACKAudioBackend::start () JACKAudioBackend::start ()
{ {
if (!connected()) { if (!available()) {
if (!_jack_connection->server_running()) { if (!_jack_connection->server_running()) {
setup_jack_startup_command (); setup_jack_startup_command ();
@ -738,9 +738,9 @@ JACKAudioBackend::jack_sync_callback (jack_transport_state_t state, jack_positio
int int
JACKAudioBackend::_xrun_callback (void *arg) JACKAudioBackend::_xrun_callback (void *arg)
{ {
JACKAudioBackend* ae = static_cast<JACKAudioBackend*> (arg); JACKAudioBackend* jab = static_cast<JACKAudioBackend*> (arg);
if (ae->connected()) { if (jab->available()) {
ae->engine.Xrun (); /* EMIT SIGNAL */ jab->engine.Xrun (); /* EMIT SIGNAL */
} }
return 0; return 0;
} }
@ -749,8 +749,8 @@ JACKAudioBackend::_xrun_callback (void *arg)
void void
JACKAudioBackend::_session_callback (jack_session_event_t *event, void *arg) JACKAudioBackend::_session_callback (jack_session_event_t *event, void *arg)
{ {
JACKAudioBackend* ae = static_cast<JACKAudioBackend*> (arg); JACKAudioBackend* jab = static_cast<JACKAudioBackend*> (arg);
ARDOUR::Session* session = ae->engine.session(); ARDOUR::Session* session = jab->engine.session();
if (session) { if (session) {
session->jack_session_event (event); session->jack_session_event (event);
@ -942,8 +942,10 @@ JACKAudioBackend::n_physical (unsigned long flags) const
if (ports) { if (ports) {
for (uint32_t i = 0; ports[i]; ++i) { for (uint32_t i = 0; ports[i]; ++i) {
if (!strstr (ports[i], "Midi-Through")) { if (!strstr (ports[i], "Midi-Through")) {
DataType t (jack_port_type (jack_port_by_name (_priv_jack, ports[i]))); DataType t = port_data_type (jack_port_by_name (_priv_jack, ports[i]));
c.set (t, c.get (t) + 1); if (t != DataType::NIL) {
c.set (t, c.get (t) + 1);
}
} }
} }

81
libs/backends/jack/jack_audiobackend.h
View file

@ -44,10 +44,12 @@ class JACKAudioBackend : public AudioBackend {
public: public:
JACKAudioBackend (AudioEngine& e, boost::shared_ptr<JackConnection>); JACKAudioBackend (AudioEngine& e, boost::shared_ptr<JackConnection>);
~JACKAudioBackend (); ~JACKAudioBackend ();
/* AUDIOBACKEND API */
std::string name() const; std::string name() const;
void* private_handle() const; void* private_handle() const;
bool connected() const; bool available() const;
bool is_realtime () const; bool is_realtime () const;
bool requires_driver_selection() const; bool requires_driver_selection() const;
@ -115,9 +117,68 @@ class JACKAudioBackend : public AudioBackend {
void update_latencies (); void update_latencies ();
static bool already_configured(); static bool already_configured();
/* PORTENGINE API */
const std::string& my_name() const;
uint32_t port_name_size() const;
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_ports (const std::string& port_name_pattern, DataType type, PortFlags flags, std::vector<std::string>&) const;
DataType port_data_type (PortHandle) const;
PortHandle register_port (const std::string& shortname, ARDOUR::DataType, ARDOUR::PortFlags);
void unregister_port (PortHandle);
bool connected (PortHandle, bool process_callback_safe);
bool connected_to (PortHandle, const std::string&, bool process_callback_safe);
bool physically_connected (PortHandle, bool process_callback_safe);
int get_connections (PortHandle, std::vector<std::string>&, bool process_callback_safe);
int connect (PortHandle, const std::string&);
int disconnect (PortHandle, const std::string&);
int disconnect_all (PortHandle);
int connect (const std::string& src, const std::string& dst);
int disconnect (const std::string& src, const std::string& dst);
/* MIDI */
int midi_event_get (pframes_t& timestamp, size_t& size, uint8_t** 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);
/* Monitoring */
bool can_monitor_input() const;
int request_input_monitoring (PortHandle, bool);
int ensure_input_monitoring (PortHandle, bool);
bool monitoring_input (PortHandle);
/* Latency management
*/
void set_latency_range (PortHandle, bool for_playback, LatencyRange);
LatencyRange get_latency_range (PortHandle, bool for_playback);
/* Physical ports */
bool port_is_physical (PortHandle) const;
void get_physical_outputs (DataType type, std::vector<std::string>&);
void get_physical_inputs (DataType type, std::vector<std::string>&);
ChanCount n_physical_outputs () const;
ChanCount n_physical_inputs () const;
/* Getting access to the data buffer for a port */
void* get_buffer (PortHandle, pframes_t);
private: private:
boost::shared_ptr<JackConnection> _jack_connection; //< shared with JACKPortEngine boost::shared_ptr<JackConnection> _jack_connection;
bool _running; bool _running;
bool _freewheeling; bool _freewheeling;
std::map<DataType,size_t> _raw_buffer_sizes; std::map<DataType,size_t> _raw_buffer_sizes;
@ -158,8 +219,6 @@ class JACKAudioBackend : public AudioBackend {
void* process_thread (); void* process_thread ();
static void* _start_process_thread (void*); static void* _start_process_thread (void*);
ChanCount n_physical (unsigned long) const;
void setup_jack_startup_command (); void setup_jack_startup_command ();
/* pffooo */ /* pffooo */
@ -183,6 +242,20 @@ class JACKAudioBackend : public AudioBackend {
mutable DriverDeviceMap all_devices; mutable DriverDeviceMap all_devices;
PBD::ScopedConnection disconnect_connection; PBD::ScopedConnection disconnect_connection;
/* PORTENGINE RELATED */
static int _graph_order_callback (void *arg);
static void _registration_callback (jack_port_id_t, int, void *);
static void _connect_callback (jack_port_id_t, jack_port_id_t, int, void *);
void connect_callback (jack_port_id_t, jack_port_id_t, int);
ChanCount n_physical (unsigned long flags) const;
void get_physical (DataType type, unsigned long flags, std::vector<std::string>& phy) const;
void when_connected_to_jack ();
PBD::ScopedConnection jack_connection_connection;
}; };
} // namespace } // namespace

151
libs/backends/jack/jack_portengine.cc
View file

@ -22,8 +22,9 @@
#include "pbd/error.h" #include "pbd/error.h"
#include "jack_portengine.h" #include "jack_audiobackend.h"
#include "jack_connection.h" #include "jack_connection.h"
#include "jack/midiport.h"
#include "ardour/port_manager.h" #include "ardour/port_manager.h"
@ -85,24 +86,8 @@ ardour_data_type_to_jack_port_type (DataType d)
return ""; return "";
} }
JACKPortEngine::JACKPortEngine (PortManager& pm, boost::shared_ptr<JackConnection> jc)
: PortEngine (pm)
, _jack_connection (jc)
{
_jack_connection->Connected.connect_same_thread (jack_connection_connection, boost::bind (&JACKPortEngine::connected_to_jack, this));
}
JACKPortEngine::~JACKPortEngine ()
{
/* a default destructor would do this, and so would this one,
but we'll make it explicit in case we ever need to debug
the lifetime of the JACKConnection
*/
_jack_connection.reset ();
}
void void
JACKPortEngine::connected_to_jack () JACKAudioBackend::when_connected_to_jack ()
{ {
/* register callbacks for stuff that is our responsibility */ /* register callbacks for stuff that is our responsibility */
@ -119,57 +104,45 @@ JACKPortEngine::connected_to_jack ()
jack_set_graph_order_callback (client, _graph_order_callback, this); jack_set_graph_order_callback (client, _graph_order_callback, this);
} }
void*
JACKPortEngine::private_handle() const
{
return _jack_connection->jack();
}
bool
JACKPortEngine::connected() const
{
return _jack_connection->connected();
}
int int
JACKPortEngine::set_port_name (PortHandle port, const std::string& name) JACKAudioBackend::set_port_name (PortHandle port, const std::string& name)
{ {
return jack_port_set_name ((jack_port_t*) port, name.c_str()); return jack_port_set_name ((jack_port_t*) port, name.c_str());
} }
string string
JACKPortEngine::get_port_name (PortHandle port) const JACKAudioBackend::get_port_name (PortHandle port) const
{ {
return jack_port_name ((jack_port_t*) port); return jack_port_name ((jack_port_t*) port);
} }
PortEngine::PortHandle* PortEngine::PortHandle*
JACKPortEngine:: get_port_by_name (const std::string& name) const JACKAudioBackend:: get_port_by_name (const std::string& name) const
{ {
GET_PRIVATE_JACK_POINTER_RET (_priv_jack, 0); GET_PRIVATE_JACK_POINTER_RET (_priv_jack, 0);
return (PortHandle*) jack_port_by_name (_priv_jack, name.c_str()); return (PortHandle*) jack_port_by_name (_priv_jack, name.c_str());
} }
void void
JACKPortEngine::_registration_callback (jack_port_id_t /*id*/, int /*reg*/, void* arg) JACKAudioBackend::_registration_callback (jack_port_id_t /*id*/, int /*reg*/, void* arg)
{ {
static_cast<JACKPortEngine*> (arg)->manager.registration_callback (); static_cast<JACKAudioBackend*> (arg)->manager.registration_callback ();
} }
int int
JACKPortEngine::_graph_order_callback (void *arg) JACKAudioBackend::_graph_order_callback (void *arg)
{ {
return static_cast<JACKPortEngine*> (arg)->manager.graph_order_callback (); return static_cast<JACKAudioBackend*> (arg)->manager.graph_order_callback ();
} }
void void
JACKPortEngine::_connect_callback (jack_port_id_t id_a, jack_port_id_t id_b, int conn, void* arg) JACKAudioBackend::_connect_callback (jack_port_id_t id_a, jack_port_id_t id_b, int conn, void* arg)
{ {
static_cast<JACKPortEngine*> (arg)->connect_callback (id_a, id_b, conn); static_cast<JACKAudioBackend*> (arg)->connect_callback (id_a, id_b, conn);
} }
void void
JACKPortEngine::connect_callback (jack_port_id_t id_a, jack_port_id_t id_b, int conn) JACKAudioBackend::connect_callback (jack_port_id_t id_a, jack_port_id_t id_b, int conn)
{ {
if (manager.port_remove_in_progress()) { if (manager.port_remove_in_progress()) {
return; return;
@ -184,7 +157,7 @@ JACKPortEngine::connect_callback (jack_port_id_t id_a, jack_port_id_t id_b, int
} }
bool bool
JACKPortEngine::connected (PortHandle port, bool process_callback_safe) JACKAudioBackend::connected (PortHandle port, bool process_callback_safe)
{ {
bool ret = false; bool ret = false;
@ -207,7 +180,7 @@ JACKPortEngine::connected (PortHandle port, bool process_callback_safe)
} }
bool bool
JACKPortEngine::connected_to (PortHandle port, const std::string& other, bool process_callback_safe) JACKAudioBackend::connected_to (PortHandle port, const std::string& other, bool process_callback_safe)
{ {
bool ret = false; bool ret = false;
const char** ports; const char** ports;
@ -232,7 +205,7 @@ JACKPortEngine::connected_to (PortHandle port, const std::string& other, bool pr
} }
bool bool
JACKPortEngine::physically_connected (PortHandle p, bool process_callback_safe) JACKAudioBackend::physically_connected (PortHandle p, bool process_callback_safe)
{ {
GET_PRIVATE_JACK_POINTER_RET (_priv_jack, false); GET_PRIVATE_JACK_POINTER_RET (_priv_jack, false);
jack_port_t* port = (jack_port_t*) p; jack_port_t* port = (jack_port_t*) p;
@ -262,7 +235,7 @@ JACKPortEngine::physically_connected (PortHandle p, bool process_callback_safe)
} }
int int
JACKPortEngine::get_connections (PortHandle port, vector<string>& s, bool process_callback_safe) JACKAudioBackend::get_connections (PortHandle port, vector<string>& s, bool process_callback_safe)
{ {
const char** ports; const char** ports;
@ -284,19 +257,19 @@ JACKPortEngine::get_connections (PortHandle port, vector<string>& s, bool proces
} }
DataType DataType
JACKPortEngine::port_data_type (PortHandle p) const JACKAudioBackend::port_data_type (PortHandle p) const
{ {
return jack_port_type_to_ardour_data_type (jack_port_type ((jack_port_t*) p)); return jack_port_type_to_ardour_data_type (jack_port_type ((jack_port_t*) p));
} }
const string& const string&
JACKPortEngine::my_name() const JACKAudioBackend::my_name() const
{ {
return _jack_connection->client_name(); return _jack_connection->client_name();
} }
bool bool
JACKPortEngine::port_is_physical (PortHandle ph) const JACKAudioBackend::port_is_physical (PortHandle ph) const
{ {
if (!ph) { if (!ph) {
return false; return false;
@ -306,7 +279,7 @@ JACKPortEngine::port_is_physical (PortHandle ph) const
} }
int int
JACKPortEngine::get_ports (const string& port_name_pattern, DataType type, PortFlags flags, vector<string>& s) const JACKAudioBackend::get_ports (const string& port_name_pattern, DataType type, PortFlags flags, vector<string>& s) const
{ {
GET_PRIVATE_JACK_POINTER_RET (_priv_jack,0); GET_PRIVATE_JACK_POINTER_RET (_priv_jack,0);
@ -329,44 +302,19 @@ JACKPortEngine::get_ports (const string& port_name_pattern, DataType type, PortF
} }
ChanCount ChanCount
JACKPortEngine::n_physical (unsigned long flags) const JACKAudioBackend::n_physical_inputs () const
{
ChanCount c;
GET_PRIVATE_JACK_POINTER_RET (_priv_jack, c);
const char ** ports = jack_get_ports (_priv_jack, NULL, NULL, JackPortIsPhysical | flags);
if (ports) {
for (uint32_t i = 0; ports[i]; ++i) {
if (!strstr (ports[i], "Midi-Through")) {
DataType t = port_data_type (jack_port_by_name (_priv_jack, ports[i]));
if (t != DataType::NIL) {
c.set (t, c.get (t) + 1);
}
}
}
jack_free (ports);
}
return c;
}
ChanCount
JACKPortEngine::n_physical_inputs () const
{ {
return n_physical (JackPortIsInput); return n_physical (JackPortIsInput);
} }
ChanCount ChanCount
JACKPortEngine::n_physical_outputs () const JACKAudioBackend::n_physical_outputs () const
{ {
return n_physical (JackPortIsOutput); return n_physical (JackPortIsOutput);
} }
void void
JACKPortEngine::get_physical (DataType type, unsigned long flags, vector<string>& phy) const JACKAudioBackend::get_physical (DataType type, unsigned long flags, vector<string>& phy) const
{ {
GET_PRIVATE_JACK_POINTER (_priv_jack); GET_PRIVATE_JACK_POINTER (_priv_jack);
const char ** ports; const char ** ports;
@ -390,7 +338,7 @@ JACKPortEngine::get_physical (DataType type, unsigned long flags, vector<string>
* a physical input connector. * a physical input connector.
*/ */
void void
JACKPortEngine::get_physical_inputs (DataType type, vector<string>& ins) JACKAudioBackend::get_physical_inputs (DataType type, vector<string>& ins)
{ {
get_physical (type, JackPortIsOutput, ins); get_physical (type, JackPortIsOutput, ins);
} }
@ -399,14 +347,14 @@ JACKPortEngine::get_physical_inputs (DataType type, vector<string>& ins)
* a physical output connector. * a physical output connector.
*/ */
void void
JACKPortEngine::get_physical_outputs (DataType type, vector<string>& outs) JACKAudioBackend::get_physical_outputs (DataType type, vector<string>& outs)
{ {
get_physical (type, JackPortIsInput, outs); get_physical (type, JackPortIsInput, outs);
} }
bool bool
JACKPortEngine::can_monitor_input () const JACKAudioBackend::can_monitor_input () const
{ {
GET_PRIVATE_JACK_POINTER_RET (_priv_jack,false); GET_PRIVATE_JACK_POINTER_RET (_priv_jack,false);
const char ** ports; const char ** ports;
@ -421,32 +369,23 @@ JACKPortEngine::can_monitor_input () const
} }
int int
JACKPortEngine::request_input_monitoring (PortHandle port, bool yn) JACKAudioBackend::request_input_monitoring (PortHandle port, bool yn)
{ {
return jack_port_request_monitor ((jack_port_t*) port, yn); return jack_port_request_monitor ((jack_port_t*) port, yn);
} }
int int
JACKPortEngine::ensure_input_monitoring (PortHandle port, bool yn) JACKAudioBackend::ensure_input_monitoring (PortHandle port, bool yn)
{ {
return jack_port_ensure_monitor ((jack_port_t*) port, yn); return jack_port_ensure_monitor ((jack_port_t*) port, yn);
} }
bool bool
JACKPortEngine::monitoring_input (PortHandle port) JACKAudioBackend::monitoring_input (PortHandle port)
{ {
return jack_port_monitoring_input ((jack_port_t*) port); return jack_port_monitoring_input ((jack_port_t*) port);
} }
pframes_t
JACKPortEngine::sample_time_at_cycle_start ()
{
GET_PRIVATE_JACK_POINTER_RET (_priv_jack, 0);
return jack_last_frame_time (_priv_jack);
}
PortEngine::PortHandle PortEngine::PortHandle
JACKPortEngine::register_port (const std::string& shortname, ARDOUR::DataType type, ARDOUR::PortFlags flags) JACKAudioBackend::register_port (const std::string& shortname, ARDOUR::DataType type, ARDOUR::PortFlags flags)
{ {
GET_PRIVATE_JACK_POINTER_RET (_priv_jack, 0); GET_PRIVATE_JACK_POINTER_RET (_priv_jack, 0);
return jack_port_register (_priv_jack, shortname.c_str(), return jack_port_register (_priv_jack, shortname.c_str(),
@ -456,20 +395,20 @@ JACKPortEngine::register_port (const std::string& shortname, ARDOUR::DataType ty
} }
void void
JACKPortEngine::unregister_port (PortHandle port) JACKAudioBackend::unregister_port (PortHandle port)
{ {
GET_PRIVATE_JACK_POINTER (_priv_jack); GET_PRIVATE_JACK_POINTER (_priv_jack);
(void) jack_port_unregister (_priv_jack, (jack_port_t*) port); (void) jack_port_unregister (_priv_jack, (jack_port_t*) port);
} }
int int
JACKPortEngine::connect (PortHandle port, const std::string& other) JACKAudioBackend::connect (PortHandle port, const std::string& other)
{ {
GET_PRIVATE_JACK_POINTER_RET (_priv_jack, -1); GET_PRIVATE_JACK_POINTER_RET (_priv_jack, -1);
return jack_connect (_priv_jack, jack_port_name ((jack_port_t*) port), other.c_str()); return jack_connect (_priv_jack, jack_port_name ((jack_port_t*) port), other.c_str());
} }
int int
JACKPortEngine::connect (const std::string& src, const std::string& dst) JACKAudioBackend::connect (const std::string& src, const std::string& dst)
{ {
GET_PRIVATE_JACK_POINTER_RET (_priv_jack, -1); GET_PRIVATE_JACK_POINTER_RET (_priv_jack, -1);
@ -478,28 +417,28 @@ JACKPortEngine::connect (const std::string& src, const std::string& dst)
} }
int int
JACKPortEngine::disconnect (PortHandle port, const std::string& other) JACKAudioBackend::disconnect (PortHandle port, const std::string& other)
{ {
GET_PRIVATE_JACK_POINTER_RET (_priv_jack, -1); GET_PRIVATE_JACK_POINTER_RET (_priv_jack, -1);
return jack_disconnect (_priv_jack, jack_port_name ((jack_port_t*) port), other.c_str()); return jack_disconnect (_priv_jack, jack_port_name ((jack_port_t*) port), other.c_str());
} }
int int
JACKPortEngine::disconnect (const std::string& src, const std::string& dst) JACKAudioBackend::disconnect (const std::string& src, const std::string& dst)
{ {
GET_PRIVATE_JACK_POINTER_RET (_priv_jack, -1); GET_PRIVATE_JACK_POINTER_RET (_priv_jack, -1);
return jack_disconnect (_priv_jack, src.c_str(), dst.c_str()); return jack_disconnect (_priv_jack, src.c_str(), dst.c_str());
} }
int int
JACKPortEngine::disconnect_all (PortHandle port) JACKAudioBackend::disconnect_all (PortHandle port)
{ {
GET_PRIVATE_JACK_POINTER_RET (_priv_jack, -1); GET_PRIVATE_JACK_POINTER_RET (_priv_jack, -1);
return jack_port_disconnect (_priv_jack, (jack_port_t*) port); return jack_port_disconnect (_priv_jack, (jack_port_t*) port);
} }
int int
JACKPortEngine::midi_event_get (pframes_t& timestamp, size_t& size, uint8_t** buf, void* port_buffer, uint32_t event_index) JACKAudioBackend::midi_event_get (pframes_t& timestamp, size_t& size, uint8_t** buf, void* port_buffer, uint32_t event_index)
{ {
jack_midi_event_t ev; jack_midi_event_t ev;
int ret; int ret;
@ -514,25 +453,25 @@ JACKPortEngine::midi_event_get (pframes_t& timestamp, size_t& size, uint8_t** bu
} }
int int
JACKPortEngine::midi_event_put (void* port_buffer, pframes_t timestamp, const uint8_t* buffer, size_t size) JACKAudioBackend::midi_event_put (void* port_buffer, pframes_t timestamp, const uint8_t* buffer, size_t size)
{ {
return jack_midi_event_write (port_buffer, timestamp, buffer, size); return jack_midi_event_write (port_buffer, timestamp, buffer, size);
} }
uint32_t uint32_t
JACKPortEngine::get_midi_event_count (void* port_buffer) JACKAudioBackend::get_midi_event_count (void* port_buffer)
{ {
return jack_midi_get_event_count (port_buffer); return jack_midi_get_event_count (port_buffer);
} }
void void
JACKPortEngine::midi_clear (void* port_buffer) JACKAudioBackend::midi_clear (void* port_buffer)
{ {
jack_midi_clear_buffer (port_buffer); jack_midi_clear_buffer (port_buffer);
} }
void void
JACKPortEngine::set_latency_range (PortHandle port, bool for_playback, LatencyRange r) JACKAudioBackend::set_latency_range (PortHandle port, bool for_playback, LatencyRange r)
{ {
jack_latency_range_t range; jack_latency_range_t range;
@ -543,7 +482,7 @@ JACKPortEngine::set_latency_range (PortHandle port, bool for_playback, LatencyRa
} }
LatencyRange LatencyRange
JACKPortEngine::get_latency_range (PortHandle port, bool for_playback) JACKAudioBackend::get_latency_range (PortHandle port, bool for_playback)
{ {
jack_latency_range_t range; jack_latency_range_t range;
LatencyRange ret; LatencyRange ret;
@ -557,13 +496,13 @@ JACKPortEngine::get_latency_range (PortHandle port, bool for_playback)
} }
void* void*
JACKPortEngine::get_buffer (PortHandle port, pframes_t nframes) JACKAudioBackend::get_buffer (PortHandle port, pframes_t nframes)
{ {
return jack_port_get_buffer ((jack_port_t*) port, nframes); return jack_port_get_buffer ((jack_port_t*) port, nframes);
} }
uint32_t uint32_t
JACKPortEngine::port_name_size() const JACKAudioBackend::port_name_size() const
{ {
return jack_port_name_size (); return jack_port_name_size ();
} }

132
libs/backends/jack/jack_portengine.h
View file

@ -1,132 +0,0 @@
/*
Copyright (C) 2013 Paul Davis
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., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifndef __libardour_jack_portengine_h__
#define __libardour_jack_portengine_h__
#include <string>
#include <vector>
#include <stdint.h>
#include <jack/types.h>
#include <jack/midiport.h>
#include <boost/shared_ptr.hpp>
#include "pbd/signals.h"
#include "ardour/port_engine.h"
#include "ardour/types.h"
namespace ARDOUR {
class JackConnection;
class JACKPortEngine : public PortEngine
{
public:
JACKPortEngine (PortManager&, boost::shared_ptr<JackConnection>);
~JACKPortEngine();
void* private_handle() const;
bool connected() const;
const std::string& my_name() const;
uint32_t port_name_size() const;
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_ports (const std::string& port_name_pattern, DataType type, PortFlags flags, std::vector<std::string>&) const;
DataType port_data_type (PortHandle) const;
PortHandle register_port (const std::string& shortname, ARDOUR::DataType, ARDOUR::PortFlags);
void unregister_port (PortHandle);
bool connected (PortHandle, bool process_callback_safe);
bool connected_to (PortHandle, const std::string&, bool process_callback_safe);
bool physically_connected (PortHandle, bool process_callback_safe);
int get_connections (PortHandle, std::vector<std::string>&, bool process_callback_safe);
int connect (PortHandle, const std::string&);
int disconnect (PortHandle, const std::string&);
int disconnect_all (PortHandle);
int connect (const std::string& src, const std::string& dst);
int disconnect (const std::string& src, const std::string& dst);
/* MIDI */
int midi_event_get (pframes_t& timestamp, size_t& size, uint8_t** 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);
/* Monitoring */
bool can_monitor_input() const;
int request_input_monitoring (PortHandle, bool);
int ensure_input_monitoring (PortHandle, bool);
bool monitoring_input (PortHandle);
/* Latency management
*/
void set_latency_range (PortHandle, bool for_playback, LatencyRange);
LatencyRange get_latency_range (PortHandle, bool for_playback);
/* Physical ports */
bool port_is_physical (PortHandle) const;
void get_physical_outputs (DataType type, std::vector<std::string>&);
void get_physical_inputs (DataType type, std::vector<std::string>&);
ChanCount n_physical_outputs () const;
ChanCount n_physical_inputs () const;
/* Getting access to the data buffer for a port */
void* get_buffer (PortHandle, pframes_t);
/* Miscellany */
pframes_t sample_time_at_cycle_start ();
private:
boost::shared_ptr<JackConnection> _jack_connection;
static int _graph_order_callback (void *arg);
static void _registration_callback (jack_port_id_t, int, void *);
static void _connect_callback (jack_port_id_t, jack_port_id_t, int, void *);
void connect_callback (jack_port_id_t, jack_port_id_t, int);
ChanCount n_physical (unsigned long flags) const;
void get_physical (DataType type, unsigned long flags, std::vector<std::string>& phy) const;
PBD::ScopedConnection jack_connection_connection;
void connected_to_jack ();
};
} // namespace
#endif /* __libardour_jack_portengine_h__ */