Index: multimedia/qt5-multimedia/files/patch-src_plugins_alsa_qalsaaudiodeviceinfo.cpp
===================================================================
--- /dev/null
+++ multimedia/qt5-multimedia/files/patch-src_plugins_alsa_qalsaaudiodeviceinfo.cpp
@@ -0,0 +1,70 @@
+Patch from Stephen Hurd. PR208570. Allow ALSA aliases.
+
+- Use more verbose variable names
+- Remove unneeded variables
+- constify deviceName
+- Add #ifdef Q_OS_FREEBSD
+
+ src/plugins/alsa/qalsaaudiodeviceinfo.cpp | 54 ++++++++++++++++++++++++++++++-
+ 1 file changed, 53 insertions(+), 1 deletion(-)
+--- b/src/plugins/alsa/qalsaaudiodeviceinfo.cpp	
++++ b/src/plugins/alsa/qalsaaudiodeviceinfo.cpp	
+@@ -374,6 +374,58 @@ QList<QByteArray> QAlsaAudioDeviceInfo::availableDevices(QAudio::Mode mode)
+         ++n;
+     }
+     snd_device_name_free_hint(hints);
++
++#ifdef Q_OS_FREEBSD
++    // Now find aliases...
++    snd_config_iterator_t pos, next;
++    snd_config_t *top, *node, *type;
++    snd_pcm_t *pcm;
++    snd_pcm_stream_t streamType;
++    const char *idString;
++    const char **ignoreId;
++    static const char *ignore[] = {"hw", "plughw", "plug", "dsnoop", "tee",
++                                   "file", "null", "shm", "cards", "rate_convert", NULL};
++
++    // Populate snd_config...
++    if (snd_config == NULL)
++        snd_config_update();
++    if (snd_config != NULL) {
++        switch (mode) {
++        case QAudio::AudioInput:
++            streamType = SND_PCM_STREAM_CAPTURE;
++            break;
++        case QAudio::AudioOutput:
++            streamType = SND_PCM_STREAM_PLAYBACK;
++            break;
++        default:
++            goto bad_mode;
++        }
++        // Find "pcm" nodes...
++        if (snd_config_search(snd_config, "pcm", &top) >= 0) {
++            for (pos = snd_config_iterator_first(top), next = snd_config_iterator_next(pos);
++                    pos != snd_config_iterator_end(top);
++                    pos = next, next = snd_config_iterator_next(pos)) {
++                node = snd_config_iterator_entry(pos);
++                if (snd_config_search(node, "type", &type) < 0)
++                    continue;
++                snd_config_get_id(node, &idString);
++                for (ignoreId = ignore; *ignoreId; ignoreId++) {
++                    if (strcmp(*ignoreId, idString) == 0)
++                        break;
++                }
++                if (*ignoreId)
++                    continue;
++                // Ensure it's available...
++                if (snd_pcm_open(&pcm, idString, streamType, 0))
++                    continue;
++                snd_pcm_close(pcm);
++                const QString deviceName = QLatin1String(idString);
++                devices.append(deviceName.toLocal8Bit().constData());
++            }
++        }
++    }
++bad_mode:
++#endif
+ #else
+     int idx = 0;
+     char* name;