Hi Philipp,
On Mon, Nov 05, 2018 at 04:20:53PM +0100, Philipp Zabel wrote:
> Allowing to compose captured images into larger memory buffers
> will let us lift alignment restrictions on CSI crop width.
>
> Signed-off-by: Philipp Zabel <p.za...@pengutronix.de>
> ---
> drivers/staging/media/imx/imx-ic-prpencvf.c | 3 +-
> drivers/staging/media/imx/imx-media-capture.c | 38 +++++++++++++++++++
> drivers/staging/media/imx/imx-media-csi.c | 3 +-
> drivers/staging/media/imx/imx-media-vdic.c | 4 +-
> drivers/staging/media/imx/imx-media.h | 2 +
> 5 files changed, 44 insertions(+), 6 deletions(-)
>
> diff --git a/drivers/staging/media/imx/imx-ic-prpencvf.c
> b/drivers/staging/media/imx/imx-ic-prpencvf.c
> index 28f41caba05d..fe5a77baa592 100644
> --- a/drivers/staging/media/imx/imx-ic-prpencvf.c
> +++ b/drivers/staging/media/imx/imx-ic-prpencvf.c
> @@ -366,8 +366,7 @@ static int prp_setup_channel(struct prp_priv *priv,
>
> memset(&image, 0, sizeof(image));
> image.pix = vdev->fmt.fmt.pix;
> - image.rect.width = image.pix.width;
> - image.rect.height = image.pix.height;
> + image.rect = vdev->compose;
>
> if (rot_swap_width_height) {
> swap(image.pix.width, image.pix.height);
> diff --git a/drivers/staging/media/imx/imx-media-capture.c
> b/drivers/staging/media/imx/imx-media-capture.c
> index b37e1186eb2f..cace8a51aca8 100644
> --- a/drivers/staging/media/imx/imx-media-capture.c
> +++ b/drivers/staging/media/imx/imx-media-capture.c
> @@ -262,6 +262,10 @@ static int capture_s_fmt_vid_cap(struct file *file, void
> *fh,
> priv->vdev.fmt.fmt.pix = f->fmt.pix;
> priv->vdev.cc = imx_media_find_format(f->fmt.pix.pixelformat,
> CS_SEL_ANY, true);
> + priv->vdev.compose.left = 0;
> + priv->vdev.compose.top = 0;
> + priv->vdev.compose.width = f->fmt.fmt.pix.width;
> + priv->vdev.compose.height = f->fmt.fmt.pix.height;
>
> return 0;
> }
> @@ -290,6 +294,35 @@ static int capture_s_std(struct file *file, void *fh,
> v4l2_std_id std)
> return v4l2_subdev_call(priv->src_sd, video, s_std, std);
> }
>
> +static int capture_g_selection(struct file *file, void *fh,
> + struct v4l2_selection *s)
> +{
> + struct capture_priv *priv = video_drvdata(file);
> +
> + switch (s->target) {
> + case V4L2_SEL_TGT_CROP:
> + case V4L2_SEL_TGT_CROP_DEFAULT:
> + case V4L2_SEL_TGT_CROP_BOUNDS:
> + case V4L2_SEL_TGT_NATIVE_SIZE:
The NATIVE_SIZE is for devices such as sensors. It doesn't make sense here.
With that removed,
Acked-by: Sakari Ailus <sakari.ai...@linux.intel.com>
> + case V4L2_SEL_TGT_COMPOSE:
> + case V4L2_SEL_TGT_COMPOSE_DEFAULT:
> + case V4L2_SEL_TGT_COMPOSE_BOUNDS:
> + case V4L2_SEL_TGT_COMPOSE_PADDED:
> + s->r = priv->vdev.compose;
> + break;
> + default:
> + return -EINVAL;
> + }
> +
> + return 0;
> +}
> +
> +static int capture_s_selection(struct file *file, void *fh,
> + struct v4l2_selection *s)
> +{
> + return capture_g_selection(file, fh, s);
> +}
> +
> static int capture_g_parm(struct file *file, void *fh,
> struct v4l2_streamparm *a)
> {
> @@ -350,6 +383,9 @@ static const struct v4l2_ioctl_ops capture_ioctl_ops = {
> .vidioc_g_std = capture_g_std,
> .vidioc_s_std = capture_s_std,
>
> + .vidioc_g_selection = capture_g_selection,
> + .vidioc_s_selection = capture_s_selection,
> +
> .vidioc_g_parm = capture_g_parm,
> .vidioc_s_parm = capture_s_parm,
>
> @@ -687,6 +723,8 @@ int imx_media_capture_device_register(struct
> imx_media_video_dev *vdev)
> vdev->fmt.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
> imx_media_mbus_fmt_to_pix_fmt(&vdev->fmt.fmt.pix,
> &fmt_src.format, NULL);
> + vdev->compose.width = fmt_src.format.width;
> + vdev->compose.height = fmt_src.format.height;
> vdev->cc = imx_media_find_format(vdev->fmt.fmt.pix.pixelformat,
> CS_SEL_ANY, false);
>
> diff --git a/drivers/staging/media/imx/imx-media-csi.c
> b/drivers/staging/media/imx/imx-media-csi.c
> index 4223f8d418ae..c4523afe7b48 100644
> --- a/drivers/staging/media/imx/imx-media-csi.c
> +++ b/drivers/staging/media/imx/imx-media-csi.c
> @@ -413,8 +413,7 @@ static int csi_idmac_setup_channel(struct csi_priv *priv)
>
> memset(&image, 0, sizeof(image));
> image.pix = vdev->fmt.fmt.pix;
> - image.rect.width = image.pix.width;
> - image.rect.height = image.pix.height;
> + image.rect = vdev->compose;
>
> csi_idmac_setup_vb2_buf(priv, phys);
>
> diff --git a/drivers/staging/media/imx/imx-media-vdic.c
> b/drivers/staging/media/imx/imx-media-vdic.c
> index 482250d47e7c..e08d296cf4eb 100644
> --- a/drivers/staging/media/imx/imx-media-vdic.c
> +++ b/drivers/staging/media/imx/imx-media-vdic.c
> @@ -263,10 +263,10 @@ static int setup_vdi_channel(struct vdic_priv *priv,
>
> memset(&image, 0, sizeof(image));
> image.pix = vdev->fmt.fmt.pix;
> + image.rect = vdev->compose;
> /* one field to VDIC channels */
> image.pix.height /= 2;
> - image.rect.width = image.pix.width;
> - image.rect.height = image.pix.height;
> + image.rect.height /= 2;
> image.phys0 = phys0;
> image.phys1 = phys1;
>
> diff --git a/drivers/staging/media/imx/imx-media.h
> b/drivers/staging/media/imx/imx-media.h
> index bc7feb81937c..7a0e658753f0 100644
> --- a/drivers/staging/media/imx/imx-media.h
> +++ b/drivers/staging/media/imx/imx-media.h
> @@ -80,6 +80,8 @@ struct imx_media_video_dev {
>
> /* the user format */
> struct v4l2_format fmt;
> + /* the compose rectangle */
> + struct v4l2_rect compose;
> const struct imx_media_pixfmt *cc;
>
> /* links this vdev to master list */
--
Regards,
Sakari Ailus
e-mail: sakari.ai...@iki.fi
