Re: [Linux-kernel-mentees] [PATCH v2 1/2] v4l2-core: Add new metadata format

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On 10/3/19 5:08 AM, Vandana BN wrote:
Add new metadata format to support metadata output in vivid.

Signed-off-by: Vandana BN <bnvandana@xxxxxxxxx>
---
  drivers/media/v4l2-core/v4l2-ioctl.c | 1 +
  include/uapi/linux/videodev2.h       | 1 +
  2 files changed, 2 insertions(+)

diff --git a/drivers/media/v4l2-core/v4l2-ioctl.c b/drivers/media/v4l2-core/v4l2-ioctl.c
index 20b3107dd4e8..2753073cf340 100644
--- a/drivers/media/v4l2-core/v4l2-ioctl.c
+++ b/drivers/media/v4l2-core/v4l2-ioctl.c
@@ -1340,6 +1340,7 @@ static void v4l_fill_fmtdesc(struct v4l2_fmtdesc *fmt)
  	case V4L2_META_FMT_VSP1_HGT:	descr = "R-Car VSP1 2-D Histogram"; break;
  	case V4L2_META_FMT_UVC:		descr = "UVC Payload Header Metadata"; break;
  	case V4L2_META_FMT_D4XX:	descr = "Intel D4xx UVC Metadata"; break;
+	case V4L2_META_FMT_VIVID:       descr = "Vivid Metadata"; break;
default:
  		/* Compressed formats */
diff --git a/include/uapi/linux/videodev2.h b/include/uapi/linux/videodev2.h
index 530638dffd93..a82181e27c5a 100644
--- a/include/uapi/linux/videodev2.h
+++ b/include/uapi/linux/videodev2.h
@@ -755,6 +755,7 @@ struct v4l2_pix_format {
  #define V4L2_META_FMT_VSP1_HGT    v4l2_fourcc('V', 'S', 'P', 'T') /* R-Car VSP1 2-D Histogram */
  #define V4L2_META_FMT_UVC         v4l2_fourcc('U', 'V', 'C', 'H') /* UVC Payload Header metadata */
  #define V4L2_META_FMT_D4XX        v4l2_fourcc('D', '4', 'X', 'X') /* D4XX Payload Header metadata */
+#define V4L2_META_FMT_VIVID	  v4l2_fourcc('V', 'I', 'V', 'D') /* Vivid Metadata */

You might need a tab as opposed to spaces here?

/* priv field value to indicates that subsequent fields are valid. */
  #define V4L2_PIX_FMT_PRIV_MAGIC		0xfeedcafe





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