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/* 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);
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