1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
|
/* SPDX-License-Identifier: LGPL-2.1-or-later */
/*
* Copyright (C) 2019, Google Inc.
*
* camera_device.h - libcamera Android Camera Device
*/
#ifndef __ANDROID_CAMERA_DEVICE_H__
#define __ANDROID_CAMERA_DEVICE_H__
#include <map>
#include <memory>
#include <mutex>
#include <tuple>
#include <vector>
#include <hardware/camera3.h>
#include <libcamera/buffer.h>
#include <libcamera/camera.h>
#include <libcamera/geometry.h>
#include <libcamera/request.h>
#include <libcamera/stream.h>
#include "libcamera/internal/buffer.h"
#include "libcamera/internal/log.h"
#include "libcamera/internal/message.h"
#include "camera_metadata.h"
#include "camera_stream.h"
#include "camera_worker.h"
#include "jpeg/encoder.h"
struct CameraConfigData;
class CameraDevice : protected libcamera::Loggable
{
public:
static std::unique_ptr<CameraDevice> create(unsigned int id,
std::shared_ptr<libcamera::Camera> cam);
~CameraDevice();
int initialize(const CameraConfigData *cameraConfigData);
int open(const hw_module_t *hardwareModule);
void close();
unsigned int id() const { return id_; }
camera3_device_t *camera3Device() { return &camera3Device_; }
const std::shared_ptr<libcamera::Camera> &camera() const { return camera_; }
libcamera::CameraConfiguration *cameraConfiguration() const
{
return config_.get();
}
const std::string &maker() const { return maker_; }
const std::string &model() const { return model_; }
int facing() const { return facing_; }
int orientation() const { return orientation_; }
unsigned int maxJpegBufferSize() const { return maxJpegBufferSize_; }
void setCallbacks(const camera3_callback_ops_t *callbacks);
const camera_metadata_t *getStaticMetadata();
const camera_metadata_t *constructDefaultRequestSettings(int type);
int configureStreams(camera3_stream_configuration_t *stream_list);
int processCaptureRequest(camera3_capture_request_t *request);
void requestComplete(libcamera::Request *request);
protected:
std::string logPrefix() const override;
private:
CameraDevice(unsigned int id, std::shared_ptr<libcamera::Camera> camera);
struct Camera3RequestDescriptor {
Camera3RequestDescriptor() = default;
~Camera3RequestDescriptor() = default;
Camera3RequestDescriptor(libcamera::Camera *camera,
const camera3_capture_request_t *camera3Request);
Camera3RequestDescriptor &operator=(Camera3RequestDescriptor &&) = default;
uint32_t frameNumber_ = 0;
std::vector<camera3_stream_buffer_t> buffers_;
std::vector<std::unique_ptr<libcamera::FrameBuffer>> frameBuffers_;
CameraMetadata settings_;
std::unique_ptr<CaptureRequest> request_;
};
struct Camera3StreamConfiguration {
libcamera::Size resolution;
int androidFormat;
};
enum class State {
Stopped,
Running,
};
void stop();
int initializeStreamConfigurations();
std::vector<libcamera::Size>
getYUVResolutions(libcamera::CameraConfiguration *cameraConfig,
const libcamera::PixelFormat &pixelFormat,
const std::vector<libcamera::Size> &resolutions);
std::vector<libcamera::Size>
getRawResolutions(const libcamera::PixelFormat &pixelFormat);
libcamera::FrameBuffer *createFrameBuffer(const buffer_handle_t camera3buffer);
void notifyShutter(uint32_t frameNumber, uint64_t timestamp);
void notifyError(uint32_t frameNumber, camera3_stream_t *stream,
camera3_error_msg_code code);
std::unique_ptr<CameraMetadata> requestTemplatePreview();
std::unique_ptr<CameraMetadata> requestTemplateVideo();
libcamera::PixelFormat toPixelFormat(int format) const;
int processControls(Camera3RequestDescriptor *descriptor);
std::unique_ptr<CameraMetadata> getResultMetadata(
const Camera3RequestDescriptor &descriptor) const;
unsigned int id_;
camera3_device_t camera3Device_;
CameraWorker worker_;
libcamera::Mutex stateMutex_; /* Protects access to the camera state. */
State state_;
std::shared_ptr<libcamera::Camera> camera_;
std::unique_ptr<libcamera::CameraConfiguration> config_;
std::unique_ptr<CameraMetadata> staticMetadata_;
std::map<unsigned int, std::unique_ptr<CameraMetadata>> requestTemplates_;
const camera3_callback_ops_t *callbacks_;
std::vector<Camera3StreamConfiguration> streamConfigurations_;
std::map<int, libcamera::PixelFormat> formatsMap_;
std::vector<CameraStream> streams_;
std::mutex mutex_; /* Protect descriptors_ */
std::map<uint64_t, Camera3RequestDescriptor> descriptors_;
std::string maker_;
std::string model_;
int facing_;
int orientation_;
unsigned int maxJpegBufferSize_;
CameraMetadata lastSettings_;
};
#endif /* __ANDROID_CAMERA_DEVICE_H__ */
|
