Пример #1
0
static int gsc_capture_scaler_info(struct gsc_ctx *ctx)
{
	struct gsc_frame *s_frame = &ctx->s_frame;
	struct gsc_frame *d_frame = &ctx->d_frame;
	struct gsc_variant *variant = ctx->gsc_dev->variant;
	struct gsc_scaler *sc = &ctx->scaler;

	gsc_cal_prescaler_ratio(variant, s_frame->crop.width, d_frame->crop.width,
				&sc->pre_hratio);
	gsc_cal_prescaler_ratio(variant, s_frame->crop.height, d_frame->crop.height,
				&sc->pre_vratio);

	gsc_get_prescaler_shfactor(sc->pre_hratio, sc->pre_vratio,
				   &sc->pre_shfactor);

	sc->main_hratio = (s_frame->crop.width << 16) / d_frame->crop.width;
	sc->main_vratio = (s_frame->crop.height << 16) / d_frame->crop.height;

	gsc_dbg("src width : %d, src height : %d, dst width : %d,\
		dst height : %d", s_frame->crop.width, s_frame->crop.height,\
		d_frame->crop.width, d_frame->crop.height);
	gsc_dbg("pre_hratio : 0x%x, pre_vratio : 0x%x, main_hratio : 0x%lx,\
			main_vratio : 0x%lx", sc->pre_hratio,\
			sc->pre_vratio, sc->main_hratio, sc->main_vratio);

	return 0;
}
Пример #2
0
int gsc_set_scaler_info(struct gsc_ctx *ctx)
{
	struct gsc_scaler *sc = &ctx->scaler;
	struct gsc_frame *s_frame = &ctx->s_frame;
	struct gsc_frame *d_frame = &ctx->d_frame;
	struct gsc_variant *variant = ctx->gsc_dev->variant;
	int tx, ty;
	int ret;

	ret = gsc_check_scaler_ratio(variant, s_frame->crop.width,
		s_frame->crop.height, d_frame->crop.width, d_frame->crop.height,
		ctx->gsc_ctrls.rotate->val, ctx->out_path);
	if (ret) {
		gsc_err("out of scaler range");
		return ret;
	}

	if (ctx->gsc_ctrls.rotate->val == 90 ||
	    ctx->gsc_ctrls.rotate->val == 270) {
		ty = d_frame->crop.width;
		tx = d_frame->crop.height;
	} else {
		tx = d_frame->crop.width;
		ty = d_frame->crop.height;
	}

	ret = gsc_cal_prescaler_ratio(variant, s_frame->crop.width,
				      tx, &sc->pre_hratio);
	if (ret) {
		gsc_err("Horizontal scale ratio is out of range");
		return ret;
	}

	ret = gsc_cal_prescaler_ratio(variant, s_frame->crop.height,
				      ty, &sc->pre_vratio);
	if (ret) {
		gsc_err("Vertical scale ratio is out of range");
		return ret;
	}

	gsc_check_src_scale_info(variant, s_frame, &sc->pre_hratio,
				 tx, ty, &sc->pre_vratio);

	gsc_get_prescaler_shfactor(sc->pre_hratio, sc->pre_vratio,
				   &sc->pre_shfactor);

	sc->main_hratio = (s_frame->crop.width << 16) / tx;
	sc->main_vratio = (s_frame->crop.height << 16) / ty;

	gsc_dbg("scaler input/output size : sx = %d, sy = %d, tx = %d, ty = %d",
		s_frame->crop.width, s_frame->crop.height, tx, ty);
	gsc_dbg("scaler ratio info : pre_shfactor : %d, pre_h : %d, pre_v :%d,\
		main_h : %ld, main_v : %ld", sc->pre_shfactor, sc->pre_hratio,
		sc->pre_vratio, sc->main_hratio, sc->main_vratio);

	return 0;
}