_audio.openStream (&sp, 0, RTAUDIO_FLOAT32, 48000, &_audio_block_size, &rtaudio_callback, this);
#ifdef DCPOMATIC_USE_RTERROR
} catch (RtError& e) {
#else
} catch (RtAudioError& e) {
#endif
_audio.openStream (&sp, 0, RTAUDIO_FLOAT32, 48000, &_audio_block_size, &rtaudio_callback, this);
#ifdef DCPOMATIC_USE_RTERROR
} catch (RtError& e) {
#else
} catch (RtAudioError& e) {
#endif