C++ (Cpp) read_interleaved_data Examples

Example #1

File: c63dec.c Project: Markionium/Codec63-HE1-SSE-AVX

int parse_c63_frame(struct c63_common *cm)
{
  // SOI
  if (get_byte(cm->e_ctx.fp) != JPEG_DEF_MARKER ||
      get_byte(cm->e_ctx.fp) != JPEG_SOI_MARKER)
  {
    fprintf(stderr, "Not an JPEG file\n");
    exit(EXIT_FAILURE);
  }

  while(1)
  {
    int c;
    c = get_byte(cm->e_ctx.fp);

    if (c == 0) { c = get_byte(cm->e_ctx.fp); }

    if (c != JPEG_DEF_MARKER)
    {
      fprintf(stderr, "Expected marker.\n");
      exit(EXIT_FAILURE);
    }

    uint8_t marker = get_byte(cm->e_ctx.fp);

    if (marker == JPEG_DQT_MARKER)
    {
      parse_dqt(cm);
    }
    else if (marker == JPEG_SOS_MARKER)
    {
      parse_sos(cm);
      read_interleaved_data(cm);
      cm->e_ctx.bit_buffer = cm->e_ctx.bit_buffer_width = 0;
    }
    else if (marker == JPEG_SOF_MARKER)
    {
      parse_sof0(cm);
    }
    else if (marker == JPEG_DHT_MARKER)
    {
      parse_dht(cm);
    }
    else if (marker == JPEG_EOI_MARKER)
    {
      return 1;
    }
    else
    {
      fprintf(stderr, "Invalid marker: 0x%02x\n", marker);
      exit(EXIT_FAILURE);
    }
  }

  return 1;
}

Example #2

File: c63dec.c Project: spiffistan/cellifi

int parse_c63_frame(struct c63_common *cm)
{
    // SOI
    if (get_byte(cm->e_ctx.fp) != MARKER_START || get_byte(cm->e_ctx.fp) != MARKER_SOI)
    {
        fprintf(stderr, "Not an JPEG file\n");
        exit(1);
    }

    while(1)
    {
        int c;
        c = get_byte(cm->e_ctx.fp);

        if (c == 0)
            c = get_byte(cm->e_ctx.fp);

        if (c != MARKER_START)
        {
            fprintf(stderr, "Expected marker.\n");
            exit(1);
        }

        uint8_t marker = get_byte(cm->e_ctx.fp);

        if (marker == MARKER_DQT)
            parse_dqt(cm);
        else if (marker == MARKER_SOS) {
            parse_sos(cm);
            read_interleaved_data(cm);
            cm->e_ctx.bit_buffer = cm->e_ctx.bit_buffer_width = 0;
        }
        else if (marker == MARKER_SOF0)
            parse_sof0(cm);
        else if (marker == MARKER_DHT)
            parse_dht(cm);
        else if (marker == MARKER_EOI)
            return 1;
        else
        {
            fprintf(stderr, "Invalid marker: 0x%02x\n", marker);
            exit(1);
        }

    }

    return 1;
}