[libcamera-devel] [PATCH 2/5] libcamera: formats: Add YUV444 and YVU444 pixel formats
Laurent Pinchart
laurent.pinchart at ideasonboard.com
Wed May 4 15:15:55 CEST 2022
Extend planar YUV format support with 4:4:4 formats. Those formats are
used by the i.MX8 ISI driver that will be supported by the simple
pipeline handler.
Signed-off-by: Laurent Pinchart <laurent.pinchart at ideasonboard.com>
---
src/libcamera/formats.cpp | 26 ++++++++++++++++++++++++++
src/libcamera/formats.yaml | 4 ++++
src/libcamera/v4l2_pixelformat.cpp | 4 ++++
3 files changed, 34 insertions(+)
diff --git a/src/libcamera/formats.cpp b/src/libcamera/formats.cpp
index c5cca37b02c2..e205df0529ba 100644
--- a/src/libcamera/formats.cpp
+++ b/src/libcamera/formats.cpp
@@ -482,6 +482,32 @@ const std::map<PixelFormat, PixelFormatInfo> pixelFormatInfo{
.pixelsPerGroup = 2,
.planes = {{ { 2, 1 }, { 1, 1 }, { 1, 1 } }},
} },
+ { formats::YUV444, {
+ .name = "YUV444",
+ .format = formats::YUV444,
+ .v4l2Formats = {
+ .single = V4L2PixelFormat(),
+ .multi = V4L2PixelFormat(V4L2_PIX_FMT_YUV444M),
+ },
+ .bitsPerPixel = 24,
+ .colourEncoding = PixelFormatInfo::ColourEncodingYUV,
+ .packed = false,
+ .pixelsPerGroup = 1,
+ .planes = {{ { 1, 1 }, { 1, 1 }, { 1, 1 } }},
+ } },
+ { formats::YVU444, {
+ .name = "YVU444",
+ .format = formats::YVU444,
+ .v4l2Formats = {
+ .single = V4L2PixelFormat(),
+ .multi = V4L2PixelFormat(V4L2_PIX_FMT_YVU444M),
+ },
+ .bitsPerPixel = 24,
+ .colourEncoding = PixelFormatInfo::ColourEncodingYUV,
+ .packed = false,
+ .pixelsPerGroup = 1,
+ .planes = {{ { 1, 1 }, { 1, 1 }, { 1, 1 } }},
+ } },
/* Greyscale formats. */
{ formats::R8, {
diff --git a/src/libcamera/formats.yaml b/src/libcamera/formats.yaml
index 0b527dbefe32..7dda01325f33 100644
--- a/src/libcamera/formats.yaml
+++ b/src/libcamera/formats.yaml
@@ -71,6 +71,10 @@ formats:
fourcc: DRM_FORMAT_YUV422
- YVU422:
fourcc: DRM_FORMAT_YVU422
+ - YUV444:
+ fourcc: DRM_FORMAT_YUV444
+ - YVU444:
+ fourcc: DRM_FORMAT_YVU444
- MJPEG:
fourcc: DRM_FORMAT_MJPEG
diff --git a/src/libcamera/v4l2_pixelformat.cpp b/src/libcamera/v4l2_pixelformat.cpp
index 818bd1037e14..8d409943e2d3 100644
--- a/src/libcamera/v4l2_pixelformat.cpp
+++ b/src/libcamera/v4l2_pixelformat.cpp
@@ -115,6 +115,10 @@ const std::map<V4L2PixelFormat, V4L2PixelFormat::Info> vpf2pf{
{ formats::YUV422, "Planar YUV 4:2:2 (N-C)" } },
{ V4L2PixelFormat(V4L2_PIX_FMT_YUV422M),
{ formats::YVU422, "Planar YVU 4:2:2 (N-C)" } },
+ { V4L2PixelFormat(V4L2_PIX_FMT_YUV444M),
+ { formats::YUV444, "Planar YUV 4:4:4 (N-C)" } },
+ { V4L2PixelFormat(V4L2_PIX_FMT_YUV444M),
+ { formats::YVU444, "Planar YVU 4:4:4 (N-C)" } },
/* Greyscale formats. */
{ V4L2PixelFormat(V4L2_PIX_FMT_GREY),
--
Regards,
Laurent Pinchart
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