Implement AudioBackend::driver_name() in PortaudioBackend

[ardour.git] / libs / backends / portaudio / portaudio_io.cc

diff --git a/libs/backends/portaudio/portaudio_io.cc b/libs/backends/portaudio/portaudio_io.cc
index 9c3ff396506ecaaae3b95130a1b7935b0588e604..30a0a25eb49c5a76a4b8f9252e152445e44792e7 100644 (file)
--- a/libs/backends/portaudio/portaudio_io.cc
+++ b/libs/backends/portaudio/portaudio_io.cc
@@ -44,6 +44,7 @@ PortAudioIO::PortAudioIO ()
        , _cur_sample_rate (0)
        , _cur_input_latency (0)
        , _cur_output_latency (0)
+       , _host_api_index(-1)
 {
 }
 
@@ -180,14 +181,18 @@ PortAudioIO::host_api_list (std::vector<std::string>& api_list)
        }
 }
 
-void
+bool
 PortAudioIO::set_host_api (const std::string& host_api_name)
 {
-       _host_api_index = get_host_api_index_from_name (host_api_name);
+       PaHostApiIndex new_index = get_host_api_index_from_name (host_api_name);
 
-       if (_host_api_index < 0) {
-               DEBUG_AUDIO ("Error setting host API\n");
+       if (new_index < 0) {
+               DEBUG_AUDIO ("Portaudio: Error setting host API\n");
+               return false;
        }
+       _host_api_index = new_index;
+       _host_api_name = host_api_name;
+       return true;
 }
 
 PaHostApiIndex