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
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
|
/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* Copyright (C) 2020-2021, Google Inc.
*
* simple_capture.cpp - Simple capture helper
*/
#include <gtest/gtest.h>
#include "simple_capture.h"
using namespace libcamera;
SimpleCapture::SimpleCapture(std::shared_ptr<Camera> camera)
: loop_(nullptr), camera_(camera),
allocator_(std::make_unique<FrameBufferAllocator>(camera))
{
}
SimpleCapture::~SimpleCapture()
{
stop();
}
void SimpleCapture::configure(StreamRole role)
{
config_ = camera_->generateConfiguration({ role });
if (!config_) {
std::cout << "Role not supported by camera" << std::endl;
GTEST_SKIP();
}
if (config_->validate() != CameraConfiguration::Valid) {
config_.reset();
FAIL() << "Configuration not valid";
}
if (camera_->configure(config_.get())) {
config_.reset();
FAIL() << "Failed to configure camera";
}
}
void SimpleCapture::start()
{
Stream *stream = config_->at(0).stream();
int count = allocator_->allocate(stream);
ASSERT_GE(count, 0) << "Failed to allocate buffers";
EXPECT_EQ(count, config_->at(0).bufferCount) << "Allocated less buffers than expected";
camera_->requestCompleted.connect(this, &SimpleCapture::requestComplete);
ASSERT_EQ(camera_->start(), 0) << "Failed to start camera";
}
void SimpleCapture::stop()
{
if (!config_ || !allocator_->allocated())
return;
camera_->stop();
camera_->requestCompleted.disconnect(this);
Stream *stream = config_->at(0).stream();
requests_.clear();
allocator_->free(stream);
}
/* SimpleCaptureBalanced */
SimpleCaptureBalanced::SimpleCaptureBalanced(std::shared_ptr<Camera> camera)
: SimpleCapture(camera)
{
}
void SimpleCaptureBalanced::capture(unsigned int numRequests)
{
start();
Stream *stream = config_->at(0).stream();
const std::vector<std::unique_ptr<FrameBuffer>> &buffers = allocator_->buffers(stream);
/* No point in testing less requests then the camera depth. */
if (buffers.size() > numRequests) {
std::cout << "Camera needs " + std::to_string(buffers.size())
+ " requests, can't test only "
+ std::to_string(numRequests) << std::endl;
GTEST_SKIP();
}
queueCount_ = 0;
captureCount_ = 0;
captureLimit_ = numRequests;
/* Queue the recommended number of requests. */
for (const std::unique_ptr<FrameBuffer> &buffer : buffers) {
std::unique_ptr<Request> request = camera_->createRequest();
ASSERT_TRUE(request) << "Can't create request";
ASSERT_EQ(request->addBuffer(stream, buffer.get()), 0) << "Can't set buffer for request";
ASSERT_EQ(queueRequest(request.get()), 0) << "Failed to queue request";
requests_.push_back(std::move(request));
}
/* Run capture session. */
loop_ = new EventLoop();
loop_->exec();
stop();
delete loop_;
ASSERT_EQ(captureCount_, captureLimit_);
}
int SimpleCaptureBalanced::queueRequest(Request *request)
{
queueCount_++;
if (queueCount_ > captureLimit_)
return 0;
return camera_->queueRequest(request);
}
void SimpleCaptureBalanced::requestComplete(Request *request)
{
EXPECT_EQ(request->status(), Request::Status::RequestComplete)
<< "Request didn't complete successfully";
captureCount_++;
if (captureCount_ >= captureLimit_) {
loop_->exit(0);
return;
}
request->reuse(Request::ReuseBuffers);
if (queueRequest(request))
loop_->exit(-EINVAL);
}
/* SimpleCaptureUnbalanced */
SimpleCaptureUnbalanced::SimpleCaptureUnbalanced(std::shared_ptr<Camera> camera)
: SimpleCapture(camera)
{
}
void SimpleCaptureUnbalanced::capture(unsigned int numRequests)
{
start();
Stream *stream = config_->at(0).stream();
const std::vector<std::unique_ptr<FrameBuffer>> &buffers = allocator_->buffers(stream);
captureCount_ = 0;
captureLimit_ = numRequests;
/* Queue the recommended number of requests. */
for (const std::unique_ptr<FrameBuffer> &buffer : buffers) {
std::unique_ptr<Request> request = camera_->createRequest();
ASSERT_TRUE(request) << "Can't create request";
ASSERT_EQ(request->addBuffer(stream, buffer.get()), 0) << "Can't set buffer for request";
ASSERT_EQ(camera_->queueRequest(request.get()), 0) << "Failed to queue request";
requests_.push_back(std::move(request));
}
/* Run capture session. */
loop_ = new EventLoop();
int status = loop_->exec();
stop();
delete loop_;
ASSERT_EQ(status, 0);
}
void SimpleCaptureUnbalanced::requestComplete(Request *request)
{
captureCount_++;
if (captureCount_ >= captureLimit_) {
loop_->exit(0);
return;
}
EXPECT_EQ(request->status(), Request::Status::RequestComplete)
<< "Request didn't complete successfully";
request->reuse(Request::ReuseBuffers);
if (camera_->queueRequest(request))
loop_->exit(-EINVAL);
}
|
