ChatGPT: Write a C++ program for Linux which reads audio using the ALSA driver and encodes it using FLAC

chatgpt-linux-read-audio.cpp

#include <alsa/asoundlib.h>
#include <flac++/encoder.h>

#include <cstdio>
#include <cstring>

constexpr int kSampleRate = 44100;  // Sample rate in Hz
constexpr int kNumChannels = 2;  // Number of channels
constexpr int kBufferSize = 4096;  // Size of the audio buffer

int main() {
  // Open the ALSA audio capture device
  snd_pcm_t* capture_handle;
  if (snd_pcm_open(&capture_handle, "default", SND_PCM_STREAM_CAPTURE, 0) < 0) {
    fprintf(stderr, "Failed to open capture device\n");
    return 1;
  }

  // Set the audio capture parameters
  snd_pcm_hw_params_t* hw_params;
  snd_pcm_hw_params_alloca(&hw_params);
  if (snd_pcm_hw_params_any(capture_handle, hw_params) < 0) {
    fprintf(stderr, "Failed to get capture parameters\n");
    return 1;
  }
  if (snd_pcm_hw_params_set_access(capture_handle, hw_params, SND_PCM_ACCESS_RW_INTERLEAVED) < 0) {
    fprintf(stderr, "Failed to set interleaved access\n");
    return 1;
  }
  if (snd_pcm_hw_params_set_format(capture_handle, hw_params, SND_PCM_FORMAT_S16_LE) < 0) {
    fprintf(stderr, "Failed to set S16 format\n");
    return 1;
  }
  if (snd_pcm_hw_params_set_rate_near(capture_handle, hw_params, &kSampleRate, 0) < 0) {
    fprintf(stderr, "Failed to set sample rate\n");
    return 1;
  }
  if (snd_pcm_hw_params_set_channels(capture_handle, hw_params, kNumChannels) < 0) {
    fprintf(stderr, "Failed to set number of channels\n");
    return 1;
  }
  if (snd_pcm_hw_params(capture_handle, hw_params) < 0) {
    fprintf(stderr, "Failed to set capture parameters\n");
    return 1;
  }

  // Initialize the FLAC encoder
  FLAC::Encoder::File encoder;
  if (!encoder.is_valid()) {
    fprintf(stderr, "Failed to initialize encoder\n");
    return 1;
  }
  encoder.set_sample_rate(kSampleRate);
  encoder.set_channels(kNumChannels);
  encoder.set_bits_per_sample(16);

Looks like ChatGPT hit some kind of length limit or just gave up