src/cam/main.h


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22

/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
 * Copyright (C) 2019, Google Inc.
 *
 * main.h - Cam application
 */
#ifndef __CAM_MAIN_H__
#define __CAM_MAIN_H__

enum {
	OptCamera = 'c',
	OptCapture = 'C',
	OptFile = 'F',
	OptHelp = 'h',
	OptInfo = 'I',
	OptList = 'l',
	OptListProperties = 'p',
	OptStream = 's',
	OptListControls = 256,
};

#endif /* __CAM_MAIN_H__ */
/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
 * Copyright (C) 2019, Google Inc.
 *
 * camera3_hal.cpp - Android Camera HALv3 module
 */

#include <hardware/camera_common.h>

#include "camera_device.h"
#include "camera_hal_manager.h"
#include "log.h"

using namespace libcamera;

LOG_DEFINE_CATEGORY(HAL)

static CameraHalManager cameraManager;

/*------------------------------------------------------------------------------
 * Android Camera HAL callbacks
 */

static int hal_get_number_of_cameras(void)
{
	return cameraManager.numCameras();
}

static int hal_get_camera_info(int id, struct camera_info *info)
{
	return cameraManager.getCameraInfo(id, info);
}

static int hal_set_callbacks(const camera_module_callbacks_t *callbacks)
{
	return 0;
}

static int hal_open_legacy(const struct hw_module_t *module, const char *id,
			   uint32_t halVersion, struct hw_device_t **device)
{
	return -ENOSYS;
}

static int hal_set_torch_mode(const char *camera_id, bool enabled)
{
	return -ENOSYS;
}

/*
 * First entry point of the camera HAL module.
 *
 * Initialize the HAL but does not open any camera device yet (see hal_dev_open)
 */
static int hal_init()
{
	LOG(HAL, Info) << "Initialising Android camera HAL";

	cameraManager.init();

	return 0;
}

/*------------------------------------------------------------------------------
 * Android Camera Device
 */

static int hal_dev_open(const hw_module_t *module, const char *name,
			hw_device_t **device)
{
	LOG(HAL, Debug) << "Open camera " << name;

	int id = atoi(name);
	CameraDevice *camera = cameraManager.open(id, module);
	if (!camera) {
		LOG(HAL, Error)
			<< "Failed to open camera module '" << id << "'";
		return -ENODEV;