| /* |
| Copyright (C) 1997-2024 Sam Lantinga <slouken@libsdl.org> |
| |
| This software is provided 'as-is', without any express or implied |
| warranty. In no event will the authors be held liable for any damages |
| arising from the use of this software. |
| |
| Permission is granted to anyone to use this software for any purpose, |
| including commercial applications, and to alter it and redistribute it |
| freely. |
| */ |
| #include <SDL3/SDL.h> |
| #include <SDL3/SDL_main.h> |
| #include <SDL3/SDL_test.h> |
| |
| static void |
| print_devices(SDL_bool iscapture) |
| { |
| SDL_AudioSpec spec; |
| const char *typestr = ((iscapture) ? "capture" : "output"); |
| int n = 0; |
| int frames; |
| SDL_AudioDeviceID *devices = iscapture ? SDL_GetAudioCaptureDevices(&n) : SDL_GetAudioOutputDevices(&n); |
| |
| if (!devices) { |
| SDL_Log(" Driver failed to report %s devices: %s\n\n", typestr, SDL_GetError()); |
| } else if (n == 0) { |
| SDL_Log(" No %s devices found.\n\n", typestr); |
| } else { |
| int i; |
| SDL_Log("Found %d %s device%s:\n", n, typestr, n != 1 ? "s" : ""); |
| for (i = 0; i < n; i++) { |
| char *name = SDL_GetAudioDeviceName(devices[i]); |
| if (name) { |
| SDL_Log(" %d: %s\n", i, name); |
| SDL_free(name); |
| } else { |
| SDL_Log(" %d Error: %s\n", i, SDL_GetError()); |
| } |
| |
| if (SDL_GetAudioDeviceFormat(devices[i], &spec, &frames) == 0) { |
| SDL_Log(" Sample Rate: %d\n", spec.freq); |
| SDL_Log(" Channels: %d\n", spec.channels); |
| SDL_Log(" SDL_AudioFormat: %X\n", spec.format); |
| SDL_Log(" Buffer Size: %d frames\n", frames); |
| } |
| } |
| SDL_Log("\n"); |
| } |
| SDL_free(devices); |
| } |
| |
| int main(int argc, char **argv) |
| { |
| SDL_AudioSpec spec; |
| int i; |
| int n; |
| int frames; |
| SDLTest_CommonState *state; |
| |
| /* Initialize test framework */ |
| state = SDLTest_CommonCreateState(argv, 0); |
| if (!state) { |
| return 1; |
| } |
| |
| /* Enable standard application logging */ |
| SDL_LogSetPriority(SDL_LOG_CATEGORY_APPLICATION, SDL_LOG_PRIORITY_INFO); |
| |
| /* Parse commandline */ |
| if (!SDLTest_CommonDefaultArgs(state, argc, argv)) { |
| return 1; |
| } |
| |
| /* Load the SDL library */ |
| if (SDL_Init(SDL_INIT_AUDIO) < 0) { |
| SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Couldn't initialize SDL: %s\n", SDL_GetError()); |
| return 1; |
| } |
| |
| /* Print available audio drivers */ |
| n = SDL_GetNumAudioDrivers(); |
| if (n == 0) { |
| SDL_Log("No built-in audio drivers\n\n"); |
| } else { |
| SDL_Log("Built-in audio drivers:\n"); |
| for (i = 0; i < n; ++i) { |
| SDL_Log(" %d: %s\n", i, SDL_GetAudioDriver(i)); |
| } |
| SDL_Log("Select a driver with the SDL_AUDIO_DRIVER environment variable.\n"); |
| } |
| |
| SDL_Log("Using audio driver: %s\n\n", SDL_GetCurrentAudioDriver()); |
| |
| print_devices(SDL_FALSE); |
| print_devices(SDL_TRUE); |
| |
| if (SDL_GetAudioDeviceFormat(SDL_AUDIO_DEVICE_DEFAULT_OUTPUT, &spec, &frames) < 0) { |
| SDL_Log("Error when calling SDL_GetAudioDeviceFormat(default output): %s\n", SDL_GetError()); |
| } else { |
| SDL_Log("Default Output Device:\n"); |
| SDL_Log("Sample Rate: %d\n", spec.freq); |
| SDL_Log("Channels: %d\n", spec.channels); |
| SDL_Log("SDL_AudioFormat: %X\n", spec.format); |
| SDL_Log("Buffer Size: %d frames\n", frames); |
| } |
| |
| if (SDL_GetAudioDeviceFormat(SDL_AUDIO_DEVICE_DEFAULT_CAPTURE, &spec, &frames) < 0) { |
| SDL_Log("Error when calling SDL_GetAudioDeviceFormat(default capture): %s\n", SDL_GetError()); |
| } else { |
| SDL_Log("Default Capture Device:\n"); |
| SDL_Log("Sample Rate: %d\n", spec.freq); |
| SDL_Log("Channels: %d\n", spec.channels); |
| SDL_Log("SDL_AudioFormat: %X\n", spec.format); |
| SDL_Log("Buffer Size: %d frames\n", frames); |
| } |
| |
| SDL_Quit(); |
| SDLTest_CommonDestroyState(state); |
| return 0; |
| } |
| |