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PortAudio: Enumerating and Querying PortAudio Devices
http://www.portaudio.com/docs/v19-doxydocs/querying_devices.html
To do so, you'll need to first initialize PortAudio and Query for the number of Devices: int numDevices; numDevices = Pa_GetDeviceCount (); if ( numDevices < 0 ) {. printf ( "ERROR: Pa_CountDevices returned 0x%x\n", numDevices ); err = numDevices; goto error; }
List all audio devices with Python's pyaudio (portaudio ...
https://stackoverflow.com/questions/20760589/list-all-audio-devices-with-pythons-pyaudio-portaudio-binding
import pyaudio p = pyaudio.PyAudio() for i in range(p.get_device_count()): print p.get_device_info_by_index(i) but I don't get the full list of all devices : for example I don't get ASIO devices in this list. This is strange, because portaudio should give ASIO devices as well, right ? How can I list all audio devices with pyaudio?
Audio::PortAudio - metacpan.org
https://metacpan.org/pod/Audio::PortAudio
my $device = $api->default_input_device; Get the default device for this API. default_output_device my $device = $api->default_output_device; Get the default device for this API. Audio::PortAudio::Device name my $name = $device->name; Returns the human readable name of this device. host_api my $api = $device->host_api; The API that provides this device.
PortAudio: PaDeviceInfo Struct Reference
http://www.portaudio.com/docs/v19-doxydocs/structPaDeviceInfo.html
A structure providing information and capabilities of PortAudio devices. Devices may support input, output or both input and output. Definition at line 500 of file portaudio.h.
an Open-Source Cross-Platform Audio API - PortAudio
PortAudio provides a very simple API for recording and/or playing sound using a simple callback function or a blocking read/write interface. Example programs are included that play sine waves, process audio input (guitar fuzz), record and playback audio, list available audio devices, etc.
How do I get a list of my device's audio sample rates ...
https://stackoverflow.com/questions/4623572/how-do-i-get-a-list-of-my-devices-audio-sample-rates-using-pyaudio-or-portaudio
Directly using Portaudio you can run the command below: for (int i = 0, end = Pa_GetDeviceCount(); i != end; ++i) { PaDeviceInfo const* info = Pa_GetDeviceInfo(i); if (!info) continue; printf("%d: %s\n", i, info->name); } Thanks to another thread
CL-PortAudio references - GitHub Pages
https://filonenko-mikhail.github.io/cl-portaudio/
Although each Device conceptually belongs to a specific Host API, most PortAudio functions and data structures refer to Devices using a global, Host API-independent index of type device-index – an integer of that ranges between zero and (- (get-device-count) 1). The reasons for this are partly historical but it also makes it easy for ...
Portaudio not working with some USB Audio devices
https://stackoverflow.com/questions/20161482/portaudio-not-working-with-some-usb-audio-devices
It seems as if portaudio is not initializing the device and therefore can't send the data stream to it. Some USB devices will work on one USB port, but when I move it to a different USB port on the same computer, it will not work. Other USB devices will not work on any USB port. However, all the USB devices work fine when outputting sound from ...
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