// This test just plays a constant sine wave tone. Mainly intended to check how physically // unplugging a device while it's playing works. #define MAL_DEBUG_OUTPUT #define MINI_AL_IMPLEMENTATION #include "../mini_al.h" #include mal_sine_wave g_sineWave; mal_event g_stopEvent; void on_log(mal_context* pContext, mal_device* pDevice, mal_uint32 logLevel, const char* message) { (void)pContext; (void)pDevice; (void)logLevel; printf("%s\n", message); } void on_stop(mal_device* pDevice) { (void)pDevice; printf("STOPPED\n"); mal_event_signal(&g_stopEvent); } void on_send(mal_device* pDevice, void* pFramesOut, const void* pFramesIn, mal_uint32 frameCount) { mal_assert(pDevice != NULL); //printf("TESTING: %d\n", frameCount); mal_sine_wave_read_f32_ex(&g_sineWave, frameCount, pDevice->channels, mal_stream_layout_interleaved, (float**)&pFramesOut); } int main() { mal_backend backend = mal_backend_wasapi; mal_result result = mal_sine_wave_init(0.25f, 400, 48000, &g_sineWave); if (result != MAL_SUCCESS) { printf("Failed to initialize sine wave.\n"); return -1; } mal_context_config contextConfig = mal_context_config_init(on_log); mal_device_config deviceConfig = mal_device_config_init_playback(mal_format_f32, 0, 48000, on_send, NULL); deviceConfig.onStopCallback = on_stop; //deviceConfig.shareMode = mal_share_mode_exclusive; mal_device device; result = mal_device_init_ex(&backend, 1, &contextConfig, mal_device_type_playback, NULL, &deviceConfig, &device); if (result != MAL_SUCCESS) { return result; } mal_event_init(device.pContext, &g_stopEvent); result = mal_device_start(&device); if (result != MAL_SUCCESS) { mal_device_uninit(&device); return result; } printf("Press Enter to quit...\n"); getchar(); mal_device_uninit(&device); return 0; }