pipeline: raspberrypi: Detect monochrome "R" formats as being raw

The "R" pixel formats (R8, R10, R10_CSI2P etc.) record the associated
colour space as being YUV rather than RAW, meaning that the code was
not detecting them as being raw formats.

In the case of Raspberry Pi, we deal only with raw formats, so the
revised test must work correctly for both these and the standard Bayer
formats.

Signed-off-by: David Plowman <david.plowman@raspberrypi.com>
Reviewed-by: Naushir Patuck <naush@raspberrypi.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>

1 files changed, 2 insertions, 12 deletions

diff --git a/src/libcamera/pipeline/raspberrypi/raspberrypi.cpp b/src/libcamera/pipeline/raspberrypi/raspberrypi.cpp
index dcd81650..bcb5bb8a 100644
--- a/src/libcamera/pipeline/raspberrypi/raspberrypi.cpp
+++ b/src/libcamera/pipeline/raspberrypi/raspberrypi.cpp
@@ -105,18 +105,8 @@ V4L2DeviceFormat toV4L2DeviceFormat(const V4L2VideoDevice *dev,
 
 bool isRaw(const PixelFormat &pixFmt)
 {
-	/*
-	 * The isRaw test might be redundant right now the pipeline handler only
-	 * supports RAW sensors. Leave it in for now, just as a sanity check.
-	 */
-	if (!pixFmt.isValid())
-		return false;
-
-	const PixelFormatInfo &info = PixelFormatInfo::info(pixFmt);
-	if (!info.isValid())
-		return false;
-
-	return info.colourEncoding == PixelFormatInfo::ColourEncodingRAW;
+	/* This test works for both Bayer and raw mono formats. */
+	return BayerFormat::fromPixelFormat(pixFmt).isValid();
 }
 
 double scoreFormat(double desired, double actual)