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| author | Philipp Zabel <p.zabel@pengutronix.de> | 2019-01-17 13:51:52 -0200 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab+samsung@kernel.org> | 2019-01-21 15:48:40 -0200 |
| commit | 439d8186fb235ab6d9bc08a23a8a9530a5f3ac95 (patch) | |
| tree | 0c771c8489c2c10cf029f4e23308401621ac6878 /drivers/staging/media/imx/imx-media-capture.c | |
| parent | cd9f125cfaa5047899e1d39d6fc0a9ed5e40afa7 (diff) | |
| download | linux-439d8186fb235ab6d9bc08a23a8a9530a5f3ac95.tar.gz linux-439d8186fb235ab6d9bc08a23a8a9530a5f3ac95.tar.bz2 linux-439d8186fb235ab6d9bc08a23a8a9530a5f3ac95.zip | |
media: imx: add capture compose rectangle
Allowing to compose captured images into larger memory buffers
will let us lift alignment restrictions on CSI crop width.
For now all compose rectangles are identical to the complete
frame width / height. This will be changed in the next patches.
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Reviewed-by: Steve Longerbeam <slongerbeam@gmail.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Diffstat (limited to 'drivers/staging/media/imx/imx-media-capture.c')
| -rw-r--r-- | drivers/staging/media/imx/imx-media-capture.c | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/drivers/staging/media/imx/imx-media-capture.c b/drivers/staging/media/imx/imx-media-capture.c index 01ec9443de55..8b8ef4a11774 100644 --- a/drivers/staging/media/imx/imx-media-capture.c +++ b/drivers/staging/media/imx/imx-media-capture.c @@ -276,6 +276,10 @@ 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.pix.width; + priv->vdev.compose.height = f->fmt.pix.height; return 0; } @@ -304,6 +308,25 @@ 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_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_g_parm(struct file *file, void *fh, struct v4l2_streamparm *a) { @@ -364,6 +387,8 @@ 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_g_parm = capture_g_parm, .vidioc_s_parm = capture_s_parm, @@ -701,6 +726,8 @@ 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); |