new file mode 100644
@@ -0,0 +1,86 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/*
+ * Copyright (C) 2019, Google Inc.
+ *
+ * libcamera V4L2 API tests
+ */
+
+#include <libcamera/buffer.h>
+#include <libcamera/camera_manager.h>
+#include <libcamera/event_dispatcher.h>
+#include <libcamera/timer.h>
+
+#include <iostream>
+
+#include "v4l2_device_test.h"
+
+class CaptureAsyncTest : public V4L2DeviceTest
+{
+public:
+ CaptureAsyncTest()
+ : frames(0){};
+
+ void receiveBuffer(Buffer *buffer)
+ {
+ std::cout << "Received buffer " << buffer->index() << std::endl;
+ frames++;
+
+ /* Requeue the buffer for further use. */
+ dev_->queueBuffer(buffer);
+ }
+
+protected:
+ int run()
+ {
+ const unsigned int bufferCount = 8;
+
+ EventDispatcher *dispatcher = CameraManager::instance()->eventDispatcher();
+ Timer timeout;
+ int ret;
+
+ createBuffers(bufferCount);
+
+ ret = dev_->exportBuffers(bufferCount, &pool_);
+ if (ret)
+ return TestFail;
+
+ dev_->bufferReady.connect(this, &CaptureAsyncTest::receiveBuffer);
+
+ /* Queue all the buffers to the device. */
+ for (Buffer &b : pool_.buffers()) {
+ if (dev_->queueBuffer(&b))
+ return TestFail;
+ }
+
+ ret = dev_->streamOn();
+ if (ret)
+ return TestFail;
+
+ timeout.start(5000);
+ while (timeout.isRunning())
+ dispatcher->processEvents();
+
+ if (frames < 1) {
+ std::cout << "Failed to capture any frames within timeout." << std::endl;
+ return TestFail;
+ }
+
+ if (frames < 30) {
+ std::cout << "Failed to capture 30 frames within timeout." << std::endl;
+ return TestFail;
+ }
+
+ std::cout << "Processed " << frames << " frames" << std::endl;
+
+ ret = dev_->streamOff();
+ if (ret)
+ return TestFail;
+
+ return TestPass;
+ }
+
+private:
+ unsigned int frames;
+};
+
+TEST_REGISTER(CaptureAsyncTest);
@@ -4,6 +4,7 @@ v4l2_device_tests = [
[ 'double_open', 'double_open.cpp' ],
[ 'request_buffers', 'request_buffers.cpp' ],
[ 'stream_on_off', 'stream_on_off.cpp' ],
+ [ 'capture_async', 'capture_async.cpp' ],
]
foreach t : v4l2_device_tests