alsa + dummy backend, proper [re]initialization

[ardour.git] / libs / backends / dummy / dummy_audiobackend.h

diff --git a/libs/backends/dummy/dummy_audiobackend.h b/libs/backends/dummy/dummy_audiobackend.h
index 28143ff7ba9d4254f53267fe283b81d4948624cc..733bb5f78a6d78d7bc433bf2708e8087cb7a8eec 100644 (file)
--- a/libs/backends/dummy/dummy_audiobackend.h
+++ b/libs/backends/dummy/dummy_audiobackend.h
@@ -35,6 +35,8 @@
 
 namespace ARDOUR {
 
+class DummyAudioBackend;
+
 class DummyMidiEvent {
        public:
                DummyMidiEvent (const pframes_t timestamp, const uint8_t* data, size_t size);
@@ -55,7 +57,7 @@ typedef std::vector<boost::shared_ptr<DummyMidiEvent> > DummyMidiBuffer;
 
 class DummyPort {
        protected:
-               DummyPort (const std::string&, PortFlags);
+               DummyPort (DummyAudioBackend &b, const std::string&, PortFlags);
        public:
                virtual ~DummyPort ();
 
@@ -100,6 +102,7 @@ class DummyPort {
                }
 
        private:
+               DummyAudioBackend &_dummy_backend;
                std::string _name;
                const PortFlags _flags;
                LatencyRange _capture_latency_range;
@@ -113,7 +116,7 @@ class DummyPort {
 
 class DummyAudioPort : public DummyPort {
        public:
-               DummyAudioPort (const std::string&, PortFlags);
+               DummyAudioPort (DummyAudioBackend &b, const std::string&, PortFlags);
                ~DummyAudioPort ();
 
                DataType type () const { return DataType::AUDIO; };
@@ -128,7 +131,7 @@ class DummyAudioPort : public DummyPort {
 
 class DummyMidiPort : public DummyPort {
        public:
-               DummyMidiPort (const std::string&, PortFlags);
+               DummyMidiPort (DummyAudioBackend &b, const std::string&, PortFlags);
                ~DummyMidiPort ();
 
                DataType type () const { return DataType::MIDI; };
@@ -141,6 +144,7 @@ class DummyMidiPort : public DummyPort {
 }; // class DummyMidiPort
 
 class DummyAudioBackend : public AudioBackend {
+       friend class DummyPort;
        public:
                 DummyAudioBackend (AudioEngine& e, AudioBackendInfo& info);
                ~DummyAudioBackend ();
@@ -312,9 +316,29 @@ class DummyAudioBackend : public AudioBackend {
 
                std::vector<DummyPort *> _ports;
 
+
+               struct PortConnectData {
+                       std::string a;
+                       std::string b;
+                       bool c;
+
+                       PortConnectData (const std::string& a, const std::string& b, bool c)
+                               : a (a) , b (b) , c (c) {}
+               };
+
+               std::vector<PortConnectData *> _port_connection_queue;
+               pthread_mutex_t _port_callback_mutex;
+
+               void port_connect_callback (const std::string& a, const std::string& b, bool conn) {
+                       pthread_mutex_lock (&_port_callback_mutex);
+                       _port_connection_queue.push_back(new PortConnectData(a, b, conn));
+                       pthread_mutex_unlock (&_port_callback_mutex);
+               }
+
                bool valid_port (PortHandle port) const {
                        return std::find (_ports.begin (), _ports.end (), (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) {