static int mov_write_tcmi_tag(AVIOContext *pb, MOVTrack *track)
{
    int64_t pos = avio_tell(pb);
    const char *font = "Lucida Grande";
    avio_wb32(pb, 0);                   /* size */
    ffio_wfourcc(pb, "tcmi");           /* timecode media information atom */
    avio_wb32(pb, 0);                   /* version & flags */
    avio_wb16(pb, 0);                   /* text font */
    avio_wb16(pb, 0);                   /* text face */
    avio_wb16(pb, 12);                  /* text size */
    avio_wb16(pb, 0);                   /* (unknown, not in the QT specs...) */
    avio_wb16(pb, 0x0000);              /* text color (red) */
    avio_wb16(pb, 0x0000);              /* text color (green) */
    avio_wb16(pb, 0x0000);              /* text color (blue) */
    avio_wb16(pb, 0xffff);              /* background color (red) */
    avio_wb16(pb, 0xffff);              /* background color (green) */
    avio_wb16(pb, 0xffff);              /* background color (blue) */
    avio_w8(pb, strlen(font));          /* font len (part of the pascal string) */
    avio_write(pb, font, strlen(font)); /* font name */
    return update_size(pb, pos);
}
Unknown