#include "transui_mp3.h"

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

int main(int argc, char **argv) {
  const size_t pcm_size = 16000 * 2;
  uint8_t *pcm = calloc(pcm_size, 1);
  assert(pcm != NULL);

  uint8_t *mp3 = NULL;
  size_t mp3_size = 0;
  assert(transui_mp3_encode_mono_16k_32kbps(pcm, pcm_size, &mp3,
                                             &mp3_size) == TRANSUI_MP3_OK);
  assert(mp3 != NULL);
  assert(mp3_size > 2);
  assert(mp3[0] == 0xff);
  assert((mp3[1] & 0xe0) == 0xe0);
  if (argc == 2) {
    FILE *output = fopen(argv[1], "wb");
    assert(output != NULL);
    assert(fwrite(mp3, 1, mp3_size, output) == mp3_size);
    assert(fclose(output) == 0);
  }
  transui_mp3_free(mp3);
  free(pcm);

  assert(transui_mp3_encode_mono_16k_32kbps(NULL, 0, &mp3, &mp3_size) ==
         TRANSUI_MP3_INVALID_INPUT);
  return 0;
}