diff options
author | Tim Mayberry <mojofunk@gmail.com> | 2015-04-01 22:56:45 +1000 |
---|---|---|
committer | Tim Mayberry <mojofunk@gmail.com> | 2015-07-31 09:59:54 +1000 |
commit | 4e370feeb17a2e68e35e4ff6b0a67eaf940a9b91 (patch) | |
tree | 106aafa3ab764432f1811bd93ea231b0fcab09ae /libs/backends/portaudio/portaudio_io.cc | |
parent | e2001ac4f30441ddc22c74df200c8a27e638d476 (diff) |
Set default input/output device based on selected host api rather than global default
Diffstat (limited to 'libs/backends/portaudio/portaudio_io.cc')
-rw-r--r-- | libs/backends/portaudio/portaudio_io.cc | 53 |
1 files changed, 36 insertions, 17 deletions
diff --git a/libs/backends/portaudio/portaudio_io.cc b/libs/backends/portaudio/portaudio_io.cc index 64f424d858..164ac91cd8 100644 --- a/libs/backends/portaudio/portaudio_io.cc +++ b/libs/backends/portaudio/portaudio_io.cc @@ -70,7 +70,7 @@ PortAudioIO::available_sample_rates(int device_id, std::vector<float>& sampleRat // TODO use separate int device_input, int device_output ?! if (device_id == -1) { - device_id = Pa_GetDefaultInputDevice(); + device_id = get_default_input_device (); } #ifndef NDEBUG printf("PortAudio: Querying Samplerates for device %d\n", device_id); @@ -166,6 +166,16 @@ PortAudioIO::host_api_list (std::vector<std::string>& api_list) } } +void +PortAudioIO::set_host_api (const std::string& host_api_name) +{ + _host_api_index = get_host_api_index_from_name (host_api_name); + + if (_host_api_index < 0) { + fprintf(stderr, "Error setting host API\n"); + } +} + PaHostApiIndex PortAudioIO::get_host_api_index_from_name (const std::string& name) { @@ -184,8 +194,24 @@ PortAudioIO::get_host_api_index_from_name (const std::string& name) return -1; } +PaDeviceIndex +PortAudioIO::get_default_input_device () +{ + const PaHostApiInfo* info = Pa_GetHostApiInfo (_host_api_index); + if (info == NULL) return -1; + return info->defaultInputDevice; +} + +PaDeviceIndex +PortAudioIO::get_default_output_device () +{ + const PaHostApiInfo* info = Pa_GetHostApiInfo (_host_api_index); + if (info == NULL) return -1; + return info->defaultOutputDevice; +} + void -PortAudioIO::discover(const std::string& host_api) +PortAudioIO::discover() { if (!initialize_pa()) return; @@ -194,19 +220,12 @@ PortAudioIO::discover(const std::string& host_api) } _devices.clear(); - PaHostApiIndex host_api_index = get_host_api_index_from_name (host_api); - - if (host_api_index < 0) return; - - const PaHostApiInfo* info = Pa_GetHostApiInfo (host_api_index); - + const PaHostApiInfo* info = Pa_GetHostApiInfo (_host_api_index); if (info == NULL) return; - PaDeviceIndex default_input = info->defaultInputDevice; - PaDeviceIndex default_output = info->defaultOutputDevice; { - const PaDeviceInfo* nfo_i = Pa_GetDeviceInfo(default_input); - const PaDeviceInfo* nfo_o = Pa_GetDeviceInfo(default_output); + const PaDeviceInfo* nfo_i = Pa_GetDeviceInfo(get_default_input_device()); + const PaDeviceInfo* nfo_o = Pa_GetDeviceInfo(get_default_output_device()); if (nfo_i && nfo_o) { _devices.insert (std::pair<int, paDevice*> (-1, new paDevice("Default", @@ -225,10 +244,10 @@ PortAudioIO::discover(const std::string& host_api) const PaDeviceInfo* nfo = Pa_GetDeviceInfo(i); if (!nfo) continue; - if (nfo->hostApi != host_api_index) continue; + if (nfo->hostApi != _host_api_index) continue; #ifndef NDEBUG - printf(" (%d) '%s' in: %d (lat: %.1f .. %.1f) out: %d (lat: %.1f .. %.1f) sr:%.2f\n", - i, nfo->name, + printf(" (%d) '%s' '%s' in: %d (lat: %.1f .. %.1f) out: %d (lat: %.1f .. %.1f) sr:%.2f\n", + i, info->name, nfo->name, nfo->maxInputChannels, nfo->defaultLowInputLatency * 1e3, nfo->defaultHighInputLatency * 1e3, @@ -312,10 +331,10 @@ PortAudioIO::pcm_setup ( } if (device_input == -1) { - device_input = Pa_GetDefaultInputDevice(); + device_input = get_default_input_device (); } if (device_output == -1) { - device_output = Pa_GetDefaultOutputDevice(); + device_output = get_default_output_device (); } _capture_channels = 0; |