Use AudioBackend::get_standard_device_name for "None" midi device in PortaudioBackend

diff --git a/libs/backends/portaudio/portaudio_backend.cc b/libs/backends/portaudio/portaudio_backend.cc
index 8aee45f9e4a51c83f5a1954c5b1353c78c6b9fe5..dccca3b4c817f1fcc216e9e4822f6a69ca6e59c4 100644 (file)
--- a/libs/backends/portaudio/portaudio_backend.cc
+++ b/libs/backends/portaudio/portaudio_backend.cc
@@ -32,6 +32,7 @@
 #include "pbd/compose.h"
 #include "pbd/error.h"
 #include "pbd/file_utils.h"
+
 #include "ardour/filesystem_paths.h"
 #include "ardour/port_manager.h"
 #include "i18n.h"
@@ -67,7 +68,7 @@ PortAudioBackend::PortAudioBackend (AudioEngine& e, AudioBackendInfo& info)
        , m_max_deviation_us(0)
        , _input_audio_device("")
        , _output_audio_device("")
-       , _midi_driver_option(_("None"))
+       , _midi_driver_option(get_standard_device_name(DeviceNone))
        , _samplerate (48000)
        , _samples_per_period (1024)
        , _n_inputs (0)
@@ -395,7 +396,7 @@ PortAudioBackend::enumerate_midi_options () const
 {
        if (_midi_options.empty()) {
                _midi_options.push_back (winmme_driver_name);
-               _midi_options.push_back (_("None"));
+               _midi_options.push_back (get_standard_device_name(DeviceNone));
        }
        return _midi_options;
 }
@@ -403,7 +404,7 @@ PortAudioBackend::enumerate_midi_options () const
 int
 PortAudioBackend::set_midi_option (const std::string& opt)
 {
-       if (opt != _("None") && opt != winmme_driver_name) {
+       if (opt != get_standard_device_name(DeviceNone) && opt != winmme_driver_name) {
                return -1;
        }
        DEBUG_MIDI (string_compose ("Setting midi option to %1\n", opt));
@@ -961,8 +962,8 @@ PortAudioBackend::register_system_audio_ports()
 int
 PortAudioBackend::register_system_midi_ports()
 {
-       if (_midi_driver_option == _("None")) {
-               DEBUG_MIDI ("No MIDI backend selected, not system midi ports available\n");
+       if (_midi_driver_option == get_standard_device_name(DeviceNone)) {
+               DEBUG_MIDI("No MIDI backend selected, not system midi ports available\n");
                return 0;
        }