blob: 75ee93ce526173466ebeda8734c1eeeac2615d6b (
plain)
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
197
198
199
200
201
202
203
204
205
|
/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* Copyright (C) 2019, Google Inc.
*
* libcamera V4L2 API tests
*
* Validate the function of exporting buffers from a V4L2VideoDevice and
* the ability to import them to another V4L2VideoDevice instance.
* Ensure that the Buffers can successfully be queued and dequeued
* between both devices.
*/
#include <iostream>
#include <libcamera/framebuffer.h>
#include <libcamera/base/event_dispatcher.h>
#include <libcamera/base/thread.h>
#include <libcamera/base/timer.h>
#include "v4l2_videodevice_test.h"
using namespace libcamera;
class BufferSharingTest : public V4L2VideoDeviceTest
{
public:
BufferSharingTest()
: V4L2VideoDeviceTest("vivid", "vivid-000-vid-cap"),
output_(nullptr), framesCaptured_(0), framesOutput_(0) {}
protected:
int init()
{
int ret = V4L2VideoDeviceTest::init();
if (ret)
return ret;
/* media_ already represents VIVID */
MediaEntity *entity = media_->getEntityByName("vivid-000-vid-out");
if (!entity)
return TestSkip;
output_ = new V4L2VideoDevice(entity);
if (!output_) {
std::cout << "Failed to create output device" << std::endl;
return TestFail;
}
ret = output_->open();
if (ret) {
std::cout << "Failed to open output device" << std::endl;
return TestFail;
}
V4L2DeviceFormat format = {};
ret = capture_->getFormat(&format);
if (ret) {
std::cout << "Failed to get capture format" << std::endl;
return TestFail;
}
format.size.width = 320;
format.size.height = 180;
ret = capture_->setFormat(&format);
if (ret) {
std::cout << "Failed to set capture format" << std::endl;
return TestFail;
}
ret = output_->setFormat(&format);
if (ret) {
std::cout << "Failed to set output format" << std::endl;
return TestFail;
}
ret = capture_->allocateBuffers(bufferCount, &buffers_);
if (ret < 0) {
std::cout << "Failed to allocate buffers" << std::endl;
return TestFail;
}
ret = output_->importBuffers(bufferCount);
if (ret < 0) {
std::cout << "Failed to import buffers" << std::endl;
return TestFail;
}
return 0;
}
void captureBufferReady(FrameBuffer *buffer)
{
const FrameMetadata &metadata = buffer->metadata();
std::cout << "Received capture buffer" << std::endl;
if (metadata.status != FrameMetadata::FrameSuccess)
return;
output_->queueBuffer(buffer);
framesCaptured_++;
}
void outputBufferReady(FrameBuffer *buffer)
{
const FrameMetadata &metadata = buffer->metadata();
std::cout << "Received output buffer" << std::endl;
if (metadata.status != FrameMetadata::FrameSuccess)
return;
capture_->queueBuffer(buffer);
framesOutput_++;
}
int run()
{
EventDispatcher *dispatcher = Thread::current()->eventDispatcher();
Timer timeout;
int ret;
capture_->bufferReady.connect(this, &BufferSharingTest::captureBufferReady);
output_->bufferReady.connect(this, &BufferSharingTest::outputBufferReady);
for (const std::unique_ptr<FrameBuffer> &buffer : buffers_) {
if (capture_->queueBuffer(buffer.get())) {
std::cout << "Failed to queue buffer" << std::endl;
return TestFail;
}
}
ret = capture_->streamOn();
if (ret) {
std::cout << "Failed to start streaming on the capture device" << std::endl;
return TestFail;
}
ret = output_->streamOn();
if (ret) {
std::cout << "Failed to start streaming on the output device" << std::endl;
return TestFail;
}
timeout.start(10000);
while (timeout.isRunning()) {
dispatcher->processEvents();
if (framesCaptured_ > 30 && framesOutput_ > 30)
break;
}
if ((framesCaptured_ < 1) || (framesOutput_ < 1)) {
std::cout << "Failed to process any frames within timeout." << std::endl;
return TestFail;
}
if ((framesCaptured_ < 30) || (framesOutput_ < 30)) {
std::cout << "Failed to process 30 frames within timeout." << std::endl;
return TestFail;
}
ret = capture_->streamOff();
if (ret) {
std::cout << "Failed to stop streaming on the capture device" << std::endl;
return TestFail;
}
ret = output_->streamOff();
if (ret) {
std::cout << "Failed to stop streaming on the output device" << std::endl;
return TestFail;
}
return TestPass;
}
void cleanup()
{
std::cout
<< "Captured " << framesCaptured_ << " frames and "
<< "output " << framesOutput_ << " frames"
<< std::endl;
output_->streamOff();
output_->releaseBuffers();
output_->close();
delete output_;
V4L2VideoDeviceTest::cleanup();
}
private:
const unsigned int bufferCount = 4;
V4L2VideoDevice *output_;
unsigned int framesCaptured_;
unsigned int framesOutput_;
};
TEST_REGISTER(BufferSharingTest)
|
