/* This example simply captures data from your default microphone until you press Enter. The output is saved to the file specified on the command line. */
#define MINIAUDIO_IMPLEMENTATION
#include "../miniaudio.h"

#include <stdlib.h>
#include <stdio.h>

void data_callback(ma_device* pDevice, void* pOutput, const void* pInput, ma_uint32 frameCount)
{
    ma_encoder* pEncoder = (ma_encoder*)pDevice->pUserData;
    MA_ASSERT(pEncoder != NULL);

    ma_encoder_write_pcm_frames(pEncoder, pInput, frameCount);

    (void)pOutput;
}

int main(int argc, char** argv)
{
    ma_result result;
    ma_encoder_config encoderConfig;
    ma_encoder encoder;
    ma_device_config deviceConfig;
    ma_device device;

    if (argc < 2) {
        printf("No input file.\n");
        return -1;
    }

    encoderConfig = ma_encoder_config_init(ma_resource_format_wav, ma_format_f32, 2, 44100);

    if (ma_encoder_init_file(argv[1], &encoderConfig, &encoder) != MA_SUCCESS) {
        printf("Failed to initialize output file.\n");
        return -1;
    }

    deviceConfig = ma_device_config_init(ma_device_type_capture);
    deviceConfig.capture.format   = encoder.config.format;
    deviceConfig.capture.channels = encoder.config.channels;
    deviceConfig.sampleRate       = encoder.config.sampleRate;
    deviceConfig.dataCallback     = data_callback;
    deviceConfig.pUserData        = &encoder;

    result = ma_device_init(NULL, &deviceConfig, &device);
    if (result != MA_SUCCESS) {
        printf("Failed to initialize capture device.\n");
        return -2;
    }

    result = ma_device_start(&device);
    if (result != MA_SUCCESS) {
        ma_device_uninit(&device);
        printf("Failed to start device.\n");
        return -3;
    }

    printf("Press Enter to stop recording...\n");
    getchar();
    
    ma_device_uninit(&device);
    ma_encoder_uninit(&encoder);

    return 0;
}