init.format      = dv->format;
init.format      = DV1394_PAL;
static int dv1394_reset(struct dv1394_data *dv){    struct dv1394_init init;    init.channel     = dv->channel;    init.api_version = DV1394_API_VERSION;    init.n_frames    = DV1394_RING_FRAMES;    init.format      = dv->format;    if (ioctl(dv->fd, DV1394_INIT, &init) < 0)        return -1;    dv->avail  = dv->done = 0;    dv->stream = 0;    return 0;}