Exemplos de fimc_capture_try_crop em C++ (Cpp)

Exemplo n.º 1

Arquivo: fimc-capture.c Projeto: AnthonyAkentiev/linux

static int fimc_cap_s_selection(struct file *file, void *fh,
				struct v4l2_selection *s)
{
	struct fimc_dev *fimc = video_drvdata(file);
	struct fimc_ctx *ctx = fimc->vid_cap.ctx;
	struct v4l2_rect rect = s->r;
	struct fimc_frame *f;
	unsigned long flags;
	unsigned int pad;

	if (s->type != V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)
		return -EINVAL;

	switch (s->target) {
	case V4L2_SEL_TGT_COMPOSE_DEFAULT:
	case V4L2_SEL_TGT_COMPOSE_BOUNDS:
	case V4L2_SEL_TGT_COMPOSE_ACTIVE:
		f = &ctx->d_frame;
		pad = FIMC_SD_PAD_SOURCE;
		break;
	case V4L2_SEL_TGT_CROP_BOUNDS:
	case V4L2_SEL_TGT_CROP_DEFAULT:
	case V4L2_SEL_TGT_CROP_ACTIVE:
		f = &ctx->s_frame;
		pad = FIMC_SD_PAD_SINK;
		break;
	default:
		return -EINVAL;
	}

	fimc_capture_try_crop(ctx, &rect, pad);

	if (s->flags & V4L2_SEL_FLAG_LE &&
	    !enclosed_rectangle(&rect, &s->r))
		return -ERANGE;

	if (s->flags & V4L2_SEL_FLAG_GE &&
	    !enclosed_rectangle(&s->r, &rect))
		return -ERANGE;

	s->r = rect;
	spin_lock_irqsave(&fimc->slock, flags);
	set_frame_crop(f, s->r.left, s->r.top, s->r.width,
		       s->r.height);
	spin_unlock_irqrestore(&fimc->slock, flags);

	set_bit(ST_CAPT_APPLY_CFG, &fimc->state);
	return 0;
}

Exemplo n.º 2

Arquivo: fimc-capture.c Projeto: artynet/linux-3.3.8

static int fimc_cap_s_crop(struct file *file, void *fh, struct v4l2_crop *cr)
{
	struct fimc_dev *fimc = video_drvdata(file);
	struct fimc_ctx *ctx = fimc->vid_cap.ctx;
	struct fimc_frame *ff;
	unsigned long flags;

	fimc_capture_try_crop(ctx, &cr->c, FIMC_SD_PAD_SINK);
	ff = &ctx->s_frame;

	spin_lock_irqsave(&fimc->slock, flags);
	set_frame_crop(ff, cr->c.left, cr->c.top, cr->c.width, cr->c.height);
	set_bit(ST_CAPT_APPLY_CFG, &fimc->state);
	spin_unlock_irqrestore(&fimc->slock, flags);

	return 0;
}