int resizeFrame(int colorspace, int width, int height, AVFrame *frame) {
  AVFrame *newFrame = NULL;
  newFrame = avcodec_alloc_frame();
  if(frame == NULL)
    return -1;

  int numBytes = avpicture_get_size(colorspace, width, height);
  uint8_t *buffer = NULL;
  buffer = (uint8_t *)av_malloc(numBytes*sizeof(uint8_t));
  avpicture_fill((AVPicture *)newFrame, buffer, colorspace, width, height);

  newFrame->width = width;
  newFrame->height = height;
  newFrame->format = colorspace;

  struct SwsContext *resizeContext = NULL;
  resizeContext = sws_getContext (
    frame->width,
    frame->height,
    frame->format,
    newFrame->width,
    newFrame->height,
    newFrame->format,
    SWS_SPLINE,
    NULL,
    NULL,
    NULL
  );

  int linesWritten = sws_scale (
    resizeContext,
    (uint8_t const * const *)frame->data,
    frame->linesize,
    0,
    newFrame->height,
    newFrame->data,
    newFrame->linesize
  );

  printf("Lines Written: %i\n", linesWritten);