From 682ebad62bdc85df151ad0b81dc27cc9f3e71cec Mon Sep 17 00:00:00 2001
From: Paul Davis <paul@linuxaudiosystems.com>
Date: Thu, 1 Aug 2013 14:43:12 -0400
Subject: full compilation and linking (coding not finished, will not run)

---
 libs/ardour/audioengine.cc | 178 ++++++++++++++++++++++++++++++++++++---------
 1 file changed, 145 insertions(+), 33 deletions(-)

(limited to 'libs/ardour/audioengine.cc')

diff --git a/libs/ardour/audioengine.cc b/libs/ardour/audioengine.cc
index 3d1bf6e77e..05f59707a8 100644
--- a/libs/ardour/audioengine.cc
+++ b/libs/ardour/audioengine.cc
@@ -103,39 +103,6 @@ AudioEngine::create (const std::string& bcn, const std::string& bsu)
 	return new AudioEngine (bcn, bsu);
 }
 
-void
-AudioEngine::drop_backend ()
-{
-	if (_backend) {
-		_backend->stop ();
-		_backend.reset ();
-	}
-}
-
-int
-AudioEngine::set_backend (const std::string& name)
-{
-	BackendMap::iterator b = _backends.find (name);
-
-	if (b == _backends.end()) {
-		return -1;
-	}
-
-	drop_backend ();
-
-	try {
-
-		_backend = b->second->backend_factory (*this);
-		_impl = b->second->portengine_factory (*this);
-
-	} catch (...) {
-		error << string_compose (_("Could not create backend for %1"), name) << endmsg;
-		return -1;
-	}
-
-	return 0;
-}
-
 void
 _thread_init_callback (void * /*arg*/)
 {
@@ -570,6 +537,60 @@ AudioEngine::backend_discover (const string& path)
 	return info;
 }
 
+vector<string>
+AudioEngine::available_backends() const
+{
+	vector<string> r;
+	
+	for (BackendMap::const_iterator i = _backends.begin(); i != _backends.end(); ++i) {
+		r.push_back (i->first);
+	}
+
+	return r;
+}
+
+string
+AudioEngine::current_backend_name() const
+{
+	if (_backend) {
+		return _backend->name();
+	} 
+	return string();
+}
+
+void
+AudioEngine::drop_backend ()
+{
+	if (_backend) {
+		_backend->stop ();
+		_backend.reset ();
+	}
+}
+
+int
+AudioEngine::set_backend (const std::string& name)
+{
+	BackendMap::iterator b = _backends.find (name);
+
+	if (b == _backends.end()) {
+		return -1;
+	}
+
+	drop_backend ();
+
+	try {
+
+		_backend = b->second->backend_factory (*this);
+		_impl = b->second->portengine_factory (*this);
+
+	} catch (...) {
+		error << string_compose (_("Could not create backend for %1"), name) << endmsg;
+		return -1;
+	}
+
+	return 0;
+}
+
 /* BACKEND PROXY WRAPPERS */
 
 int
@@ -812,6 +833,89 @@ AudioEngine::create_process_thread (boost::function<void()> func, pthread_t* thr
 }
 
 
+int
+AudioEngine::set_device_name (const std::string& name)
+{
+	if (!_backend) {
+		return -1;
+	}
+	return _backend->set_device_name  (name);
+}
+
+int
+AudioEngine::set_sample_rate (float sr)
+{
+	if (!_backend) {
+		return -1;
+	}
+	return _backend->set_sample_rate  (sr);
+}
+
+int
+AudioEngine::set_buffer_size (uint32_t bufsiz)
+{
+	if (!_backend) {
+		return -1;
+	}
+	return _backend->set_buffer_size  (bufsiz);
+}
+
+int
+AudioEngine::set_sample_format (SampleFormat sf)
+{
+	if (!_backend) {
+		return -1;
+	}
+	return _backend->set_sample_format  (sf);
+}
+
+int
+AudioEngine::set_interleaved (bool yn)
+{
+	if (!_backend) {
+		return -1;
+	}
+	return _backend->set_interleaved  (yn);
+}
+
+int
+AudioEngine::set_input_channels (uint32_t ic)
+{
+	if (!_backend) {
+		return -1;
+	}
+	return _backend->set_input_channels  (ic);
+}
+
+int
+AudioEngine::set_output_channels (uint32_t oc)
+{
+	if (!_backend) {
+		return -1;
+	}
+	return _backend->set_output_channels (oc);
+}
+
+int
+AudioEngine::set_systemic_input_latency (uint32_t il)
+{
+	if (!_backend) {
+		return -1;
+	}
+	return _backend->set_systemic_input_latency  (il);
+}
+
+int
+AudioEngine::set_systemic_output_latency (uint32_t ol)
+{
+	if (!_backend) {
+		return -1;
+	}
+	return _backend->set_systemic_output_latency  (ol);
+}
+
+/* END OF BACKEND PROXY API */
+
 void
 AudioEngine::thread_init_callback (void* arg)
 {
@@ -873,6 +977,14 @@ AudioEngine::latency_callback (bool for_playback)
         }
 }
 
+void
+AudioEngine::update_latencies ()
+{
+	if (_backend) {
+		_backend->update_latencies ();
+	}
+}
+
 void
 AudioEngine::halted_callback (const char* why)
 {
-- 
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