[libcamera-devel] [PATCH v5 06/19] libcamera: ipu3: cio2: Report format and sizes
Jacopo Mondi
jacopo at jmondi.org
Fri Jul 31 17:33:07 CEST 2020
Add two methods to the CIO2Device class to retrieve all the supported
PixelFormats and sizes.
Acked-by: Laurent Pinchart <laurent.pinchart at ideasonboard.com>
Reviewed-by: Niklas Söderlund <niklas.soderlund at ragnatech.se>
Signed-off-by: Jacopo Mondi <jacopo at jmondi.org>
---
src/libcamera/pipeline/ipu3/cio2.cpp | 40 ++++++++++++++++++++++++++++
src/libcamera/pipeline/ipu3/cio2.h | 5 ++++
2 files changed, 45 insertions(+)
diff --git a/src/libcamera/pipeline/ipu3/cio2.cpp b/src/libcamera/pipeline/ipu3/cio2.cpp
index 77f54da47e28..abe6d8a592d6 100644
--- a/src/libcamera/pipeline/ipu3/cio2.cpp
+++ b/src/libcamera/pipeline/ipu3/cio2.cpp
@@ -10,6 +10,7 @@
#include <linux/media-bus-format.h>
#include <libcamera/formats.h>
+#include <libcamera/geometry.h>
#include <libcamera/stream.h>
#include "libcamera/internal/camera_sensor.h"
@@ -43,6 +44,45 @@ CIO2Device::~CIO2Device()
delete sensor_;
}
+/**
+ * \brief Retrieve the list of supported PixelFormats
+ *
+ * Retrieve the list of supported pixel formats by matching the sensor produced
+ * media bus codes with the formats supported by the CIO2 unit.
+ *
+ * \return The list of supported PixelFormat
+ */
+std::vector<PixelFormat> CIO2Device::formats() const
+{
+ if (!sensor_)
+ return {};
+
+ std::vector<PixelFormat> formats;
+ for (unsigned int code : sensor_->mbusCodes()) {
+ auto it = mbusCodesToPixelFormat.find(code);
+ if (it != mbusCodesToPixelFormat.end())
+ formats.push_back(it->second);
+ }
+
+ return formats;
+}
+
+/**
+ * \brief Retrieve the list of supported size ranges
+ * \return The list of supported SizeRange
+ */
+std::vector<SizeRange> CIO2Device::sizes() const
+{
+ if (!sensor_)
+ return {};
+
+ std::vector<SizeRange> sizes;
+ for (const Size &size : sensor_->sizes())
+ sizes.emplace_back(size, size);
+
+ return sizes;
+}
+
/**
* \brief Initialize components of the CIO2 device with \a index
* \param[in] media The CIO2 media device
diff --git a/src/libcamera/pipeline/ipu3/cio2.h b/src/libcamera/pipeline/ipu3/cio2.h
index 956355a0aa58..221cf817eee9 100644
--- a/src/libcamera/pipeline/ipu3/cio2.h
+++ b/src/libcamera/pipeline/ipu3/cio2.h
@@ -20,8 +20,10 @@ namespace libcamera {
class CameraSensor;
class FrameBuffer;
class MediaDevice;
+class PixelFormat;
class Request;
class Size;
+class SizeRange;
class V4L2Subdevice;
struct StreamConfiguration;
@@ -33,6 +35,9 @@ public:
CIO2Device();
~CIO2Device();
+ std::vector<PixelFormat> formats() const;
+ std::vector<SizeRange> sizes() const;
+
int init(const MediaDevice *media, unsigned int index);
int configure(const Size &size, V4L2DeviceFormat *outputFormat);
--
2.27.0
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