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authorKieran Bingham <kieran.bingham@ideasonboard.com>2019-01-24 17:48:10 +0000
committerLaurent Pinchart <laurent.pinchart@ideasonboard.com>2019-02-06 06:49:43 +0200
commitba4dfa74714785005232e4268d63df1a4f162e24 (patch)
tree0054bfb5deaf5d9a4e21a50abba58cc272c07633 /test/v4l2_device/capture_async.cpp
parentd2046d863b950791e749d2b22d66b2e5007c146e (diff)
test: v4l2_device: Provide asynchronous capture test
Utilise the event_dispatcher to create a default event loop, and process asynchronous buffer receive events. If no frames are captured in 5 seconds, the test will fail. It will also fail if less than 30 frames have been captured in the same timeout period. Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com> Signed-off-by: Jacopo Mondi <jacopo@jmondi.org> Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Diffstat (limited to 'test/v4l2_device/capture_async.cpp')
-rw-r--r--test/v4l2_device/capture_async.cpp86
1 files changed, 86 insertions, 0 deletions
diff --git a/test/v4l2_device/capture_async.cpp b/test/v4l2_device/capture_async.cpp
new file mode 100644
index 00000000..7a0735f6
--- /dev/null
+++ b/test/v4l2_device/capture_async.cpp
@@ -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);