Hi Philipp,
On 11/5/18 7:20 AM, 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.zabel@xxxxxxxxxxxxxx>
---
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;
this should be:
priv->vdev.compose.width = fmt_src.format.width;
priv->vdev.compose.height = fmt_src.format.height;
(corrected in the next patches but needs to be corrected here).
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:
+ 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 */
