64 lines
2.4 KiB
Rust
64 lines
2.4 KiB
Rust
extern crate cpal;
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extern crate failure;
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use cpal::traits::{DeviceTrait, HostTrait};
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fn main() -> Result<(), failure::Error> {
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println!("Supported hosts:\n {:?}", cpal::ALL_HOSTS);
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let available_hosts = cpal::available_hosts();
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println!("Available hosts:\n {:?}", available_hosts);
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for host_id in available_hosts {
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println!("{}", host_id.name());
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let host = cpal::host_from_id(host_id)?;
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let default_in = host.default_input_device().map(|e| e.name().unwrap());
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let default_out = host.default_output_device().map(|e| e.name().unwrap());
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println!(" Default Input Device:\n {:?}", default_in);
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println!(" Default Output Device:\n {:?}", default_out);
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let devices = host.devices()?;
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println!(" Devices: ");
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for (device_index, device) in devices.enumerate() {
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println!(" {}. \"{}\"", device_index + 1, device.name()?);
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// Input formats
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if let Ok(fmt) = device.default_input_format() {
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println!(" Default input stream format:\n {:?}", fmt);
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}
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let mut input_formats = match device.supported_input_formats() {
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Ok(f) => f.peekable(),
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Err(e) => {
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println!("Error: {:?}", e);
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continue;
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},
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};
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if input_formats.peek().is_some() {
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println!(" All supported input stream formats:");
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for (format_index, format) in input_formats.enumerate() {
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println!(" {}.{}. {:?}", device_index + 1, format_index + 1, format);
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}
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}
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// Output formats
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if let Ok(fmt) = device.default_output_format() {
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println!(" Default output stream format:\n {:?}", fmt);
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}
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let mut output_formats = match device.supported_output_formats() {
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Ok(f) => f.peekable(),
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Err(e) => {
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println!("Error: {:?}", e);
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continue;
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},
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};
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if output_formats.peek().is_some() {
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println!(" All supported output stream formats:");
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for (format_index, format) in output_formats.enumerate() {
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println!(" {}.{}. {:?}", device_index + 1, format_index + 1, format);
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}
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}
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}
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}
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Ok(())
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}
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