diff options
author | Kieran Bingham <kieran.bingham@ideasonboard.com> | 2022-04-06 13:35:54 +0100 |
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committer | Laurent Pinchart <laurent.pinchart@ideasonboard.com> | 2022-04-06 15:44:39 +0300 |
commit | eea1c9c6319c63933cc47a7694b14729b4841928 (patch) | |
tree | 1ebc1fded4a4f219a6635e7db01751850e9f93e2 | |
parent | 04faa8477abdaf1dafad3fdbe9dc58326e9126d2 (diff) |
test: v4l2_videodevice: Verify the Dequeue Watchdog
Add a test that captures 5 frames, with a short (5ms) watchdog.
The default framerate of the VIMC pipeline should ensure that
we never meet this watchdog, and the timeout should activate.
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Signed-off-by: Naushir Patuck <naush@raspberrypi.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
-rw-r--r-- | test/v4l2_videodevice/dequeue_watchdog.cpp | 96 | ||||
-rw-r--r-- | test/v4l2_videodevice/meson.build | 1 |
2 files changed, 97 insertions, 0 deletions
diff --git a/test/v4l2_videodevice/dequeue_watchdog.cpp b/test/v4l2_videodevice/dequeue_watchdog.cpp new file mode 100644 index 00000000..0cb4de6f --- /dev/null +++ b/test/v4l2_videodevice/dequeue_watchdog.cpp @@ -0,0 +1,96 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* + * Copyright (C) 2022, Ideas on Board Oy. + * + * libcamera V4L2 dequeue watchdog test + */ + +#include <iostream> + +#include <libcamera/base/event_dispatcher.h> +#include <libcamera/base/thread.h> +#include <libcamera/base/timer.h> + +#include <libcamera/framebuffer.h> + +#include "v4l2_videodevice_test.h" + +using namespace libcamera; +using namespace std::chrono_literals; + +class DequeueWatchdogTest : public V4L2VideoDeviceTest +{ +public: + DequeueWatchdogTest() + : V4L2VideoDeviceTest("vimc", "Raw Capture 0"), frames_(0), barks_(0) {} + +protected: + int run() + { + constexpr unsigned int bufferCount = 8; + + EventDispatcher *dispatcher = Thread::current()->eventDispatcher(); + Timer timeout; + + int ret = capture_->allocateBuffers(bufferCount, &buffers_); + if (ret < 0) + return TestFail; + + capture_->dequeueTimeout.connect(this, &DequeueWatchdogTest::barkCounter); + capture_->setDequeueTimeout(5ms); + + capture_->bufferReady.connect(this, &DequeueWatchdogTest::receiveBuffer); + + for (const std::unique_ptr<FrameBuffer> &buffer : buffers_) { + if (capture_->queueBuffer(buffer.get())) { + std::cout << "Failed to queue buffer" << std::endl; + return TestFail; + } + } + + capture_->streamOn(); + + timeout.start(5s); + while (timeout.isRunning()) { + dispatcher->processEvents(); + if (frames_ > 5) + break; + } + + std::cout << "Processed " << frames_ << " frames_ and heard " + << barks_ << " barks_" << std::endl; + + if (!barks_) { + std::cout << "Failed to hear any barks_." << std::endl; + return TestFail; + } + + capture_->streamOff(); + + return TestPass; + } + +private: + void receiveBuffer(FrameBuffer *buffer) + { + if (buffer->metadata().status == FrameMetadata::FrameCancelled) + return; + + std::cout << "Buffer received" << std::endl; + frames_++; + + /* Requeue the buffer for further use. */ + capture_->queueBuffer(buffer); + } + + void barkCounter() + { + std::cout << "Watchdog is barking" << std::endl; + barks_++; + } + + unsigned int frames_; + unsigned int barks_; +}; + +TEST_REGISTER(DequeueWatchdogTest) diff --git a/test/v4l2_videodevice/meson.build b/test/v4l2_videodevice/meson.build index 643f82ed..7a26f53d 100644 --- a/test/v4l2_videodevice/meson.build +++ b/test/v4l2_videodevice/meson.build @@ -6,6 +6,7 @@ v4l2_videodevice_tests = [ ['double_open', 'double_open.cpp'], ['controls', 'controls.cpp'], ['formats', 'formats.cpp'], + ['dequeue_watchdog', 'dequeue_watchdog.cpp'], ['request_buffers', 'request_buffers.cpp'], ['buffer_cache', 'buffer_cache.cpp'], ['stream_on_off', 'stream_on_off.cpp'], |