ps->color_type != FF_COLOR_YUV)
ps->color_type != FF_COLOR_YUV && ps->color_type != FF_COLOR_GRAY)
int avcodec_get_pix_fmt_loss(int dst_pix_fmt, int src_pix_fmt,                             int has_alpha){    const PixFmtInfo *pf, *ps;    int loss;    ps = &pix_fmt_info[src_pix_fmt];    pf = &pix_fmt_info[dst_pix_fmt];    /* compute loss */    loss = 0;    pf = &pix_fmt_info[dst_pix_fmt];    if (pf->depth < ps->depth)        loss |= FF_LOSS_DEPTH;    if (pf->x_chroma_shift >= ps->x_chroma_shift ||        pf->y_chroma_shift >= ps->y_chroma_shift)        loss |= FF_LOSS_RESOLUTION;    switch(pf->color_type) {    case FF_COLOR_RGB:        if (ps->color_type != FF_COLOR_RGB &&            ps->color_type != FF_COLOR_GRAY)            loss |= FF_LOSS_COLORSPACE;        break;    case FF_COLOR_GRAY:        if (ps->color_type != FF_COLOR_GRAY)            loss |= FF_LOSS_COLORSPACE;        break;    case FF_COLOR_YUV:        if (ps->color_type != FF_COLOR_YUV)            loss |= FF_LOSS_COLORSPACE;        break;    case FF_COLOR_YUV_JPEG:        if (ps->color_type != FF_COLOR_YUV_JPEG &&            ps->color_type != FF_COLOR_YUV)            loss |= FF_LOSS_COLORSPACE;        break;    default:        /* fail safe test */        if (ps->color_type != pf->color_type)            loss |= FF_LOSS_COLORSPACE;        break;    }    if (pf->color_type == FF_COLOR_GRAY &&        ps->color_type != FF_COLOR_GRAY)        loss |= FF_LOSS_CHROMA;    if (!pf->is_alpha && (ps->is_alpha && has_alpha))        loss |= FF_LOSS_ALPHA;    if (pf->pixel_type == FF_PIXEL_PALETTE &&         (ps->pixel_type != FF_PIXEL_PALETTE && ps->color_type != FF_COLOR_GRAY))        loss |= FF_LOSS_COLORQUANT;    return loss;}