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-rw-r--r--src/libcamera/include/v4l2_device.h2
-rw-r--r--src/libcamera/include/v4l2_subdevice.h2
-rw-r--r--src/libcamera/v4l2_device.cpp18
-rw-r--r--src/libcamera/v4l2_subdevice.cpp18
4 files changed, 40 insertions, 0 deletions
diff --git a/src/libcamera/include/v4l2_device.h b/src/libcamera/include/v4l2_device.h
index 5c379fac..258deee8 100644
--- a/src/libcamera/include/v4l2_device.h
+++ b/src/libcamera/include/v4l2_device.h
@@ -100,6 +100,8 @@ public:
uint32_t bpl;
} planes[3];
unsigned int planesCount;
+
+ const std::string toString() const;
};
class V4L2Device : protected Loggable
diff --git a/src/libcamera/include/v4l2_subdevice.h b/src/libcamera/include/v4l2_subdevice.h
index 1cc0fab7..700e66bc 100644
--- a/src/libcamera/include/v4l2_subdevice.h
+++ b/src/libcamera/include/v4l2_subdevice.h
@@ -21,6 +21,8 @@ struct V4L2SubdeviceFormat {
uint32_t mbus_code;
uint32_t width;
uint32_t height;
+
+ const std::string toString() const;
};
class V4L2Subdevice : protected Loggable
diff --git a/src/libcamera/v4l2_device.cpp b/src/libcamera/v4l2_device.cpp
index 889c63b3..93d81517 100644
--- a/src/libcamera/v4l2_device.cpp
+++ b/src/libcamera/v4l2_device.cpp
@@ -6,6 +6,8 @@
*/
#include <fcntl.h>
+#include <iomanip>
+#include <sstream>
#include <string.h>
#include <sys/ioctl.h>
#include <sys/mman.h>
@@ -224,6 +226,22 @@ LOG_DEFINE_CATEGORY(V4L2)
*/
/**
+ * \brief Assemble and return a string describing the format
+ *
+ * \return A string describing the V4L2DeviceFormat
+ */
+const std::string V4L2DeviceFormat::toString() const
+{
+ std::stringstream ss;
+
+ ss.fill(0);
+ ss << width << "x" << height << "-0x" << std::hex
+ << std::setw(8) << fourcc;
+
+ return ss.str();
+}
+
+/**
* \class V4L2Device
* \brief V4L2Device object and API
*
diff --git a/src/libcamera/v4l2_subdevice.cpp b/src/libcamera/v4l2_subdevice.cpp
index 5f58904b..cf873487 100644
--- a/src/libcamera/v4l2_subdevice.cpp
+++ b/src/libcamera/v4l2_subdevice.cpp
@@ -6,6 +6,8 @@
*/
#include <fcntl.h>
+#include <iomanip>
+#include <sstream>
#include <string.h>
#include <sys/ioctl.h>
#include <unistd.h>
@@ -70,6 +72,22 @@ LOG_DEFINE_CATEGORY(V4L2Subdev)
*/
/**
+ * \brief Assemble and return a string describing the format
+ *
+ * \return A string describing the V4L2SubdeviceFormat
+ */
+const std::string V4L2SubdeviceFormat::toString() const
+{
+ std::stringstream ss;
+
+ ss.fill(0);
+ ss << width << "x" << height << "-0x" << std::hex
+ << std::setw(4) << mbus_code;
+
+ return ss.str();
+}
+
+/**
* \class V4L2Subdevice
* \brief A V4L2 subdevice as exposed by the Linux kernel
*