X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=libs%2Fardour%2Faudioengine.cc;h=0b01f97f7a2ab4cdca473ea2566d32505097d212;hb=cd8aa4e3044bfa2f6956e02ccc5458b3c9fbadc4;hp=cb167c959579dfddc96348fca598fae5e3b6b707;hpb=2b9421fd391efcddde0be3397cb66e19b744a155;p=ardour.git

diff --git a/libs/ardour/audioengine.cc b/libs/ardour/audioengine.cc
index cb167c9595..0b01f97f7a 100644
--- a/libs/ardour/audioengine.cc
+++ b/libs/ardour/audioengine.cc
@@ -41,7 +41,7 @@
 #include "ardour/audio_port.h"
 #include "ardour/audio_backend.h"
 #include "ardour/audioengine.h"
-#include "ardour/backend_search_path.h"
+#include "ardour/search_paths.h"
 #include "ardour/buffer.h"
 #include "ardour/cycle_timer.h"
 #include "ardour/internal_send.h"
@@ -492,17 +492,21 @@ AudioEngine::discover_backends ()
 	find_matching_files_in_search_path (backend_search_path (),
 	                                    dll_extension_pattern, backend_modules);
 
-	DEBUG_TRACE (DEBUG::Panning, string_compose (_("looking for backends in %1\n"), backend_search_path().to_string()));
+	DEBUG_TRACE (DEBUG::AudioEngine, string_compose ("looking for backends in %1\n", backend_search_path().to_string()));
 
 	for (vector<std::string>::iterator i = backend_modules.begin(); i != backend_modules.end(); ++i) {
 
 		AudioBackendInfo* info;
 
+		DEBUG_TRACE (DEBUG::AudioEngine, string_compose ("Checking possible backend in %1\n", *i));
+
 		if ((info = backend_discover (*i)) != 0) {
 			_backends.insert (make_pair (info->name, info));
 		}
 	}
 
+	DEBUG_TRACE (DEBUG::AudioEngine, string_compose ("Found %1 backends\n", _backends.size()));
+
 	return _backends.size();
 }
 
@@ -560,6 +564,7 @@ AudioEngine::drop_backend ()
 {
 	if (_backend) {
 		_backend->stop ();
+        _backend->drop_device();
 		_backend.reset ();
 	}
 }
@@ -890,15 +895,6 @@ AudioEngine::set_buffer_size (uint32_t bufsiz)
 	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)
 {