mini_al - Mini Audio Library ============================ mini_al is a simple library for playing and recording audio. It's focused on simplicity and has a very small number of APIs. This is not a full-featured audio library, nor will it ever be. It is intended to be used as a quick and easy way to connect to an audio device and deliver and capture audio data from speakers and microphones. C/C++, single file, public domain. Features ======== - A very simple API. - Both synchronous and asynchronous APIs. Examples ======== Asynchonous API --------------- In asynchronous mode, mini_al will request and deliver audio data through callbacks. ``` mal_uint32 on_send_audio_data(mal_device* pDevice, mal_uint32 sampleCount, void* pSamples) { return drwav_read_f32((drwav*)pDevice->pUserData, sampleCount, pSamples); } int main() { mal_uint32 channels = 2; mal_uint32 sampleRate = 44100; mal_uint32 fragmentSizeInFrames = 512; mal_uint32 fragmentCount = 2; mal_device playbackDevice; if (mal_device_init(&playbackDevice, mal_device_type_playback, NULL, mal_format_f32, channels, sampleRate, fragmentSizeInFrames, fragmentCount) != MAL_SUCCESS) { return -1; } mal_device_set_send_callback(&playbackDevice, on_send_audio_data); mal_device_start(&playbackDevice); printf("Press Enter to quit...\n"); getchar(); mal_device_uninit(&playbackDevice); return 0; } ``` Synchronous API --------------- In synchronous mode, the application submits audio data to the device using APIs which block until the device is ready to receive it. ``` int main() { mal_uint32 channels = 2; mal_uint32 sampleRate = 44100; mal_uint32 fragmentSizeInFrames = 512; mal_uint32 fragmentCount = 2; mal_device playbackDevice; if (mal_device_init_synchronous(&playbackDevice, mal_device_type_playback, NULL, mal_format_f32, channels, sampleRate, fragmentSizeInFrames, fragmentCount) != MAL_SUCCESS) { return -1; } mal_device_start(&playbackDevice); for (;;) { float pSamples[512]; mal_uint32 samplesToWrite = drwav_read_f32(&wav, fragmentSizeInFrames * fragmentCount, pSamples); if (samplesToWrite == 0) { break; } mal_uint32 samplesWritten = mal_device_write(&playbackDevice, samplesToWrite, pSamples); if (samplesWritte != samplesToWrite) { break; } } mal_device_uninit(&playbackDevice); return 0; } ```