new file mode 100644
@@ -0,0 +1,76 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/*
+ * Copyright (C) 2019, Google Inc.
+ *
+ * libcamera V4L2 Subdevice format handling test
+ */
+
+#include <iostream>
+#include <vector>
+
+#include "v4l2_subdevice.h"
+
+#include "v4l2_subdevice_test.h"
+
+using namespace std;
+using namespace libcamera;
+
+/* List image formats on the "Scaler" subdevice of vimc media device. */
+
+class ListFormatsTest : public V4L2SubdeviceTest
+{
+protected:
+ int run();
+
+private:
+ void printFormats(unsigned int pad,
+ std::vector<V4L2SubdeviceFormat> &formats);
+};
+
+void ListFormatsTest::printFormats(unsigned int pad,
+ std::vector<V4L2SubdeviceFormat> &formats)
+{
+ cout << "Enumerate formats on pad " << pad << endl;
+ for (V4L2SubdeviceFormat &format : formats) {
+ cout << " Mbus code: 0x" << hex << format.mbus_code << endl;
+ cout << " Width: " << dec << format.width << endl;
+ cout << " Height: " << dec << format.height << endl;
+ }
+}
+
+int ListFormatsTest::run()
+{
+ /* List all formats available on existing "Scaler" pads. */
+ std::vector<V4L2SubdeviceFormat> formats = {};
+
+ formats = scaler_->formats(0);
+ if (formats.empty()) {
+ cerr << "Failed to list formats on pad 0 of subdevice "
+ << scaler_->deviceNode() << endl;
+ return TestFail;
+ }
+ printFormats(0, formats);
+
+ formats = {};
+ formats = scaler_->formats(1);
+ if (formats.empty()) {
+ cerr << "Failed to list formats on pad 1 of subdevice "
+ << scaler_->deviceNode() << endl;
+ return TestFail;
+ }
+ printFormats(1, formats);
+
+ /* List format on a non-existing pad, format vector shall be empty. */
+ formats = {};
+ formats = scaler_->formats(2);
+ if (!formats.empty()) {
+ cerr << "Listing formats on non-existing pad 2 of subdevice "
+ << scaler_->deviceNode()
+ << " should return an empty format list" << endl;
+ return TestFail;
+ }
+
+ return TestPass;
+}
+
+TEST_REGISTER(ListFormatsTest);
@@ -1,4 +1,5 @@
v4l2_subdevice_tests = [
+ [ 'list_formats', 'list_formats.cpp'],
[ 'test_formats', 'test_formats.cpp'],
]
Add test to list formats on a v4l2 subdevice. Signed-off-by: Jacopo Mondi <jacopo@jmondi.org> --- test/v4l2_subdevice/list_formats.cpp | 76 ++++++++++++++++++++++++++++ test/v4l2_subdevice/meson.build | 1 + 2 files changed, 77 insertions(+) create mode 100644 test/v4l2_subdevice/list_formats.cpp