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/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
 * Copyright (C) 2019, Google Inc.
 *
 * libcamera Camera API tests
 */

#include <iostream>

#include <libcamera/framebuffer_allocator.h>

#include <libcamera/base/event_dispatcher.h>
#include <libcamera/base/thread.h>
#include <libcamera/base/timer.h>

#include "camera_test.h"
#include "test.h"

using namespace libcamera;
using namespace std;
using namespace std::chrono_literals;

namespace {

class Capture : public CameraTest, public Test
{
public:
	Capture()
		: CameraTest("platform/vimc.0 Sensor B")
	{
	}

protected:
	unsigned int completeBuffersCount_;
	unsigned int completeRequestsCount_;

	void bufferComplete([[maybe_unused]] Request *request,
			    FrameBuffer *buffer)
	{
		if (buffer->metadata().status != FrameMetadata::FrameSuccess)
			return;

		completeBuffersCount_++;
	}

	void requestComplete(Request *request)
	{
		if (request->status() != Request::RequestComplete)
			return;

		const Request::BufferMap &buffers = request->buffers();

		completeRequestsCount_++;

		/* Create a new request. */
		const Stream *stream = buffers.begin()->first;
		FrameBuffer *buffer = buffers.begin()->second;

		request->reuse();
		request->addBuffer(stream, buffer);
		camera_->queueRequest(request);
	}

	int init() override
	{
		if (status_ != TestPass)
			return status_;

		config_ = camera_->generateConfiguration({ StreamRole::VideoRecording });
		if (!config_ || config_->size() != 1) {
			cout << "Failed to generate default configuration" << endl;
			return TestFail;
		}

		allocator_ = new FrameBufferAllocator(camera_);

		return TestPass;
	}

	void cleanup() override
	{
		delete allocator_;
	}

	int run() override
	{
		StreamConfiguration &cfg = config_->at(0);

		if (camera_->acquire()) {
			cout << "Failed to acquire the camera" << endl;
			return TestFail;
		}

		if (camera_->configure(config_.get())) {
			cout << "Failed to set default configuration" << endl;
			return TestFail;
		}

		Stream *stream = cfg.stream();

		int ret = allocator_->allocate(stream);
		if (ret < 0)
			return TestFail;

		for (const std::unique_ptr<FrameBuffer> &buffer : allocator_->buffers(stream)) {
			std::unique_ptr<Request> request = camera_->createRequest();
			if (!request) {
				cout << "Failed to create request" << endl;
				return TestFail;
			}

			if (request->addBuffer(stream, buffer.get())) {
				cout << "Failed to associate buffer with request" << endl;
				return TestFail;
			}

			requests_.push_back(std::move(request));
		}

		completeRequestsCount_ = 0;
		completeBuffersCount_ = 0;

		camera_->bufferCompleted.connect(this, &Capture::bufferComplete);
		camera_->requestCompleted.connect(this, &Capture::requestComplete);

		if (camera_->start()) {
			cout << "Failed to start camera" << endl;
			return TestFail;
		}

		for (std::unique_ptr<Request> &request : requests_) {
			if (camera_->queueRequest(request.get())) {
				cout << "Failed to queue request" << endl;
				return TestFail;
			}
		}

		EventDispatcher *dispatcher = Thread::current()->eventDispatcher();

		Timer timer;
		timer.start(1000ms);
		while (timer.isRunning())
			dispatcher->processEvents();

		unsigned int nbuffers = allocator_->buffers(stream).size();

		if (completeRequestsCount_ < nbuffers * 2) {
			cout << "Failed to capture enough frames (got "
			     << completeRequestsCount_ << " expected at least "
			     << nbuffers * 2 << ")" << endl;
			return TestFail;
		}

		if (completeRequestsCount_ != completeBuffersCount_) {
			cout << "Number of completed buffers and requests differ" << endl;
			return TestFail;
		}

		if (camera_->stop()) {
			cout << "Failed to stop camera" << endl;
			return TestFail;
		}

		return TestPass;
	}

	std::vector<std::unique_ptr<Request>> requests_;

	std::unique_ptr<CameraConfiguration> config_;
	FrameBufferAllocator *allocator_;
};

} /* namespace */

TEST_REGISTER(Capture)
l com">/* OR with the entity id value to find the next entity */ #define MEDIA_ENT_ID_FLAG_NEXT (1 << 31) struct media_entity_desc { __u32 id; char name[32]; __u32 type; __u32 revision; __u32 flags; __u32 group_id; __u16 pads; __u16 links; __u32 reserved[4]; union { /* Node specifications */ struct { __u32 major; __u32 minor; } dev; /* * TODO: this shouldn't have been added without * actual drivers that use this. When the first real driver * appears that sets this information, special attention * should be given whether this information is 1) enough, and * 2) can deal with udev rules that rename devices. The struct * dev would not be sufficient for this since that does not * contain the subdevice information. In addition, struct dev * can only refer to a single device, and not to multiple (e.g. * pcm and mixer devices). */ struct { __u32 card; __u32 device; __u32 subdevice; } alsa; /* * DEPRECATED: previous node specifications. Kept just to * avoid breaking compilation. Use media_entity_desc.dev * instead. */ struct { __u32 major; __u32 minor; } v4l; struct { __u32 major; __u32 minor; } fb; int dvb; /* Sub-device specifications */ /* Nothing needed yet */ __u8 raw[184]; }; }; #define MEDIA_PAD_FL_SINK (1 << 0) #define MEDIA_PAD_FL_SOURCE (1 << 1) #define MEDIA_PAD_FL_MUST_CONNECT (1 << 2) struct media_pad_desc { __u32 entity; /* entity ID */ __u16 index; /* pad index */ __u32 flags; /* pad flags */ __u32 reserved[2]; }; #define MEDIA_LNK_FL_ENABLED (1 << 0) #define MEDIA_LNK_FL_IMMUTABLE (1 << 1) #define MEDIA_LNK_FL_DYNAMIC (1 << 2) #define MEDIA_LNK_FL_LINK_TYPE (0xf << 28) # define MEDIA_LNK_FL_DATA_LINK (0 << 28) # define MEDIA_LNK_FL_INTERFACE_LINK (1 << 28) struct media_link_desc { struct media_pad_desc source; struct media_pad_desc sink; __u32 flags; __u32 reserved[2]; }; struct media_links_enum { __u32 entity; /* Should have enough room for pads elements */ struct media_pad_desc *pads; /* Should have enough room for links elements */ struct media_link_desc *links; __u32 reserved[4]; }; /* Interface type ranges */ #define MEDIA_INTF_T_DVB_BASE 0x00000100 #define MEDIA_INTF_T_V4L_BASE 0x00000200 /* Interface types */ #define MEDIA_INTF_T_DVB_FE (MEDIA_INTF_T_DVB_BASE) #define MEDIA_INTF_T_DVB_DEMUX (MEDIA_INTF_T_DVB_BASE + 1) #define MEDIA_INTF_T_DVB_DVR (MEDIA_INTF_T_DVB_BASE + 2) #define MEDIA_INTF_T_DVB_CA (MEDIA_INTF_T_DVB_BASE + 3) #define MEDIA_INTF_T_DVB_NET (MEDIA_INTF_T_DVB_BASE + 4) #define MEDIA_INTF_T_V4L_VIDEO (MEDIA_INTF_T_V4L_BASE) #define MEDIA_INTF_T_V4L_VBI (MEDIA_INTF_T_V4L_BASE + 1) #define MEDIA_INTF_T_V4L_RADIO (MEDIA_INTF_T_V4L_BASE + 2) #define MEDIA_INTF_T_V4L_SUBDEV (MEDIA_INTF_T_V4L_BASE + 3) #define MEDIA_INTF_T_V4L_SWRADIO (MEDIA_INTF_T_V4L_BASE + 4) #define MEDIA_INTF_T_V4L_TOUCH (MEDIA_INTF_T_V4L_BASE + 5) /* * MC next gen API definitions */ /* * Appeared in 4.19.0. * * The media_version argument comes from the media_version field in * struct media_device_info. */ #define MEDIA_V2_ENTITY_HAS_FLAGS(media_version) \ ((media_version) >= ((4 << 16) | (19 << 8) | 0)) struct media_v2_entity { __u32 id; char name[64]; __u32 function; /* Main function of the entity */ __u32 flags; __u32 reserved[5]; } __attribute__ ((packed)); /* Should match the specific fields at media_intf_devnode */ struct media_v2_intf_devnode { __u32 major; __u32 minor; } __attribute__ ((packed)); struct media_v2_interface { __u32 id; __u32 intf_type; __u32 flags; __u32 reserved[9]; union { struct media_v2_intf_devnode devnode; __u32 raw[16]; }; } __attribute__ ((packed)); /* * Appeared in 4.19.0. * * The media_version argument comes from the media_version field in * struct media_device_info. */ #define MEDIA_V2_PAD_HAS_INDEX(media_version) \ ((media_version) >= ((4 << 16) | (19 << 8) | 0)) struct media_v2_pad { __u32 id; __u32 entity_id; __u32 flags; __u32 index; __u32 reserved[4]; } __attribute__ ((packed)); struct media_v2_link { __u32 id; __u32 source_id; __u32 sink_id; __u32 flags; __u32 reserved[6]; } __attribute__ ((packed)); struct media_v2_topology { __u64 topology_version; __u32 num_entities; __u32 reserved1; __u64 ptr_entities; __u32 num_interfaces; __u32 reserved2; __u64 ptr_interfaces; __u32 num_pads; __u32 reserved3; __u64 ptr_pads; __u32 num_links; __u32 reserved4; __u64 ptr_links; } __attribute__ ((packed)); /* ioctls */ #define MEDIA_IOC_DEVICE_INFO _IOWR('|', 0x00, struct media_device_info) #define MEDIA_IOC_ENUM_ENTITIES _IOWR('|', 0x01, struct media_entity_desc) #define MEDIA_IOC_ENUM_LINKS _IOWR('|', 0x02, struct media_links_enum) #define MEDIA_IOC_SETUP_LINK _IOWR('|', 0x03, struct media_link_desc) #define MEDIA_IOC_G_TOPOLOGY _IOWR('|', 0x04, struct media_v2_topology) #define MEDIA_IOC_REQUEST_ALLOC _IOR ('|', 0x05, int) /* * These ioctls are called on the request file descriptor as returned * by MEDIA_IOC_REQUEST_ALLOC. */ #define MEDIA_REQUEST_IOC_QUEUE _IO('|', 0x80) #define MEDIA_REQUEST_IOC_REINIT _IO('|', 0x81) /* * Legacy symbols used to avoid userspace compilation breakages. * Do not use any of this in new applications! * * Those symbols map the entity function into types and should be * used only on legacy programs for legacy hardware. Don't rely * on those for MEDIA_IOC_G_TOPOLOGY. */ #define MEDIA_ENT_TYPE_SHIFT 16 #define MEDIA_ENT_TYPE_MASK 0x00ff0000 #define MEDIA_ENT_SUBTYPE_MASK 0x0000ffff #define MEDIA_ENT_T_DEVNODE_UNKNOWN (MEDIA_ENT_F_OLD_BASE | \ MEDIA_ENT_SUBTYPE_MASK) #define MEDIA_ENT_T_DEVNODE MEDIA_ENT_F_OLD_BASE #define MEDIA_ENT_T_DEVNODE_V4L MEDIA_ENT_F_IO_V4L #define MEDIA_ENT_T_DEVNODE_FB (MEDIA_ENT_F_OLD_BASE + 2) #define MEDIA_ENT_T_DEVNODE_ALSA (MEDIA_ENT_F_OLD_BASE + 3) #define MEDIA_ENT_T_DEVNODE_DVB (MEDIA_ENT_F_OLD_BASE + 4) #define MEDIA_ENT_T_UNKNOWN MEDIA_ENT_F_UNKNOWN #define MEDIA_ENT_T_V4L2_VIDEO MEDIA_ENT_F_IO_V4L #define MEDIA_ENT_T_V4L2_SUBDEV MEDIA_ENT_F_V4L2_SUBDEV_UNKNOWN #define MEDIA_ENT_T_V4L2_SUBDEV_SENSOR MEDIA_ENT_F_CAM_SENSOR #define MEDIA_ENT_T_V4L2_SUBDEV_FLASH MEDIA_ENT_F_FLASH #define MEDIA_ENT_T_V4L2_SUBDEV_LENS MEDIA_ENT_F_LENS #define MEDIA_ENT_T_V4L2_SUBDEV_DECODER MEDIA_ENT_F_ATV_DECODER #define MEDIA_ENT_T_V4L2_SUBDEV_TUNER MEDIA_ENT_F_TUNER #define MEDIA_ENT_F_DTV_DECODER MEDIA_ENT_F_DV_DECODER /* * There is still no ALSA support in the media controller. These * defines should not have been added and we leave them here only * in case some application tries to use these defines. */ #define MEDIA_INTF_T_ALSA_BASE 0x00000300 #define MEDIA_INTF_T_ALSA_PCM_CAPTURE (MEDIA_INTF_T_ALSA_BASE) #define MEDIA_INTF_T_ALSA_PCM_PLAYBACK (MEDIA_INTF_T_ALSA_BASE + 1) #define MEDIA_INTF_T_ALSA_CONTROL (MEDIA_INTF_T_ALSA_BASE + 2) #define MEDIA_INTF_T_ALSA_COMPRESS (MEDIA_INTF_T_ALSA_BASE + 3) #define MEDIA_INTF_T_ALSA_RAWMIDI (MEDIA_INTF_T_ALSA_BASE + 4) #define MEDIA_INTF_T_ALSA_HWDEP (MEDIA_INTF_T_ALSA_BASE + 5) #define MEDIA_INTF_T_ALSA_SEQUENCER (MEDIA_INTF_T_ALSA_BASE + 6) #define MEDIA_INTF_T_ALSA_TIMER (MEDIA_INTF_T_ALSA_BASE + 7) /* Obsolete symbol for media_version, no longer used in the kernel */ #define MEDIA_API_VERSION ((0 << 16) | (1 << 8) | 0) #endif /* __LINUX_MEDIA_H */