diff options
Diffstat (limited to 'libs/backends/portaudio/portaudio_io.cc')
| -rw-r--r-- | libs/backends/portaudio/portaudio_io.cc | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/libs/backends/portaudio/portaudio_io.cc b/libs/backends/portaudio/portaudio_io.cc index 5ba424c26d..6693c88af9 100644 --- a/libs/backends/portaudio/portaudio_io.cc +++ b/libs/backends/portaudio/portaudio_io.cc @@ -737,6 +737,47 @@ PortAudioIO::next_cycle (uint32_t n_samples) return xrun ? 1 : 0; } +std::string +PortAudioIO::get_input_channel_name (int device_id, uint32_t channel) const +{ +#ifdef WITH_ASIO + const char* channel_name; + + // This will return an error for non-ASIO devices so no need to check if + // the device_id corresponds to an ASIO device. + PaError err = PaAsio_GetInputChannelName (device_id, channel, &channel_name); + + if (err == paNoError) { + DEBUG_AUDIO ( + string_compose ("Input channel name for device %1, channel %2 is %3\n", + device_id, + channel, + channel_name)); + return channel_name; + } +#endif + return std::string(); +} + +std::string +PortAudioIO::get_output_channel_name (int device_id, uint32_t channel) const +{ +#ifdef WITH_ASIO + const char* channel_name; + + PaError err = PaAsio_GetOutputChannelName (device_id, channel, &channel_name); + + if (err == paNoError) { + DEBUG_AUDIO ( + string_compose ("Output channel name for device %1, channel %2 is %3\n", + device_id, + channel, + channel_name)); + return channel_name; + } +#endif + return std::string(); +} #ifdef INTERLEAVED_INPUT |