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
|
/*
* Copyright (c) 2017 The WebRTC project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#include <stdio.h>
#include <string>
#include "rtc_base/checks.h"
#include "rtc_base/logging.h"
#include "test/testsupport/frame_writer.h"
namespace webrtc {
namespace test {
YuvFrameWriterImpl::YuvFrameWriterImpl(std::string output_filename,
int width,
int height)
: output_filename_(output_filename),
frame_length_in_bytes_(0),
width_(width),
height_(height),
output_file_(nullptr) {}
YuvFrameWriterImpl::~YuvFrameWriterImpl() {
Close();
}
bool YuvFrameWriterImpl::Init() {
if (width_ <= 0 || height_ <= 0) {
RTC_LOG(LS_ERROR) << "Frame width and height must be positive.";
return false;
}
frame_length_in_bytes_ =
width_ * height_ + 2 * ((width_ + 1) / 2) * ((height_ + 1) / 2);
output_file_ = fopen(output_filename_.c_str(), "wb");
if (output_file_ == nullptr) {
RTC_LOG(LS_ERROR) << "Couldn't open output file: "
<< output_filename_.c_str();
return false;
}
return true;
}
bool YuvFrameWriterImpl::WriteFrame(const uint8_t* frame_buffer) {
RTC_DCHECK(frame_buffer);
if (output_file_ == nullptr) {
RTC_LOG(LS_ERROR) << "YuvFrameWriterImpl is not initialized.";
return false;
}
size_t bytes_written =
fwrite(frame_buffer, 1, frame_length_in_bytes_, output_file_);
if (bytes_written != frame_length_in_bytes_) {
RTC_LOG(LS_ERROR) << "Cound't write frame to file: "
<< output_filename_.c_str();
return false;
}
return true;
}
void YuvFrameWriterImpl::Close() {
if (output_file_ != nullptr) {
fclose(output_file_);
output_file_ = nullptr;
}
}
size_t YuvFrameWriterImpl::FrameLength() {
return frame_length_in_bytes_;
}
} // namespace test
} // namespace webrtc
|
