[libcamera-devel] [PATCH 1/2] libcamera: Add support for planar YVU420 format

[Niklas Söderlund]

Add support for planar YVU420.

Signed-off-by: Niklas Söderlund <niklas.soderlund at ragnatech.se>
---
 src/libcamera/formats.cpp          | 10 ++++++++++
 src/libcamera/formats.yaml         |  2 ++
 src/libcamera/v4l2_pixelformat.cpp |  1 +
 3 files changed, 13 insertions(+)

diff --git a/src/libcamera/formats.cpp b/src/libcamera/formats.cpp
index 3f895a7c2badc34a..8f9bdafe821b2e69 100644
--- a/src/libcamera/formats.cpp
+++ b/src/libcamera/formats.cpp
@@ -407,6 +407,16 @@ const std::map<PixelFormat, PixelFormatInfo> pixelFormatInfo{
 		.pixelsPerGroup = 2,
 		.planes = {{ { 2, 1 }, { 1, 2 }, { 1, 2 } }},
 	} },
+	{ formats::YVU420, {
+		.name = "YVU420",
+		.format = PixelFormat(formats::YVU420),
+		.v4l2Format = V4L2PixelFormat(V4L2_PIX_FMT_YVU420),
+		.bitsPerPixel = 12,
+		.colourEncoding = PixelFormatInfo::ColourEncodingYUV,
+		.packed = false,
+		.pixelsPerGroup = 2,
+		.planes = {{ { 2, 1 }, { 1, 2 }, { 1, 2 } }},
+	} },
 	{ formats::YUV422, {
 		.name = "YUV422",
 		.format = PixelFormat(formats::YUV422),
diff --git a/src/libcamera/formats.yaml b/src/libcamera/formats.yaml
index ce06dbc41aa13f5e..6b5f084bb2e4e970 100644
--- a/src/libcamera/formats.yaml
+++ b/src/libcamera/formats.yaml
@@ -55,6 +55,8 @@ formats:
 
   - YUV420:
       fourcc: DRM_FORMAT_YUV420
+  - YVU420:
+      fourcc: DRM_FORMAT_YVU420
   - YUV422:
       fourcc: DRM_FORMAT_YUV422
 
diff --git a/src/libcamera/v4l2_pixelformat.cpp b/src/libcamera/v4l2_pixelformat.cpp
index 6745d17d49269bab..1609f8bb6370fa65 100644
--- a/src/libcamera/v4l2_pixelformat.cpp
+++ b/src/libcamera/v4l2_pixelformat.cpp
@@ -64,6 +64,7 @@ const std::map<V4L2PixelFormat, PixelFormat> vpf2pf{
 	{ V4L2PixelFormat(V4L2_PIX_FMT_NV12), formats::NV12 },
 	{ V4L2PixelFormat(V4L2_PIX_FMT_NV21), formats::NV21 },
 	{ V4L2PixelFormat(V4L2_PIX_FMT_YUV420), formats::YUV420 },
+	{ V4L2PixelFormat(V4L2_PIX_FMT_YVU420), formats::YVU420},
 	{ V4L2PixelFormat(V4L2_PIX_FMT_YUV422P), formats::YUV422 },
 
 	/* Greyscale formats. */
-- 
2.27.0