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1 /* | |
2 * Copyright (c) 2017 The WebRTC project authors. All Rights Reserved. | |
3 * | |
4 * Use of this source code is governed by a BSD-style license | |
5 * that can be found in the LICENSE file in the root of the source | |
6 * tree. An additional intellectual property rights grant can be found | |
7 * in the file PATENTS. All contributing project authors may | |
8 * be found in the AUTHORS file in the root of the source tree. | |
9 */ | |
10 | |
11 #include "webrtc/base/checks.h" | |
12 #include "webrtc/test/testsupport/frame_writer.h" | |
13 | |
14 namespace webrtc { | |
15 namespace test { | |
16 | |
17 YuvFrameWriterImpl::YuvFrameWriterImpl(std::string output_filename, | |
18 int width, | |
19 int height) | |
20 : output_filename_(output_filename), | |
21 frame_length_in_bytes_(0), | |
22 width_(width), | |
23 height_(height), | |
24 output_file_(nullptr) {} | |
25 | |
26 YuvFrameWriterImpl::~YuvFrameWriterImpl() { | |
27 Close(); | |
28 } | |
29 | |
30 bool YuvFrameWriterImpl::Init() { | |
31 if (width_ <= 0 || height_ <= 0) { | |
32 fprintf(stderr, "Frame width and height must be >0, was %d x %d\n", width_, | |
33 height_); | |
34 return false; | |
35 } | |
36 frame_length_in_bytes_ = | |
37 width_ * height_ + 2 * ((width_ + 1) / 2) * ((height_ + 1) / 2); | |
38 | |
39 output_file_ = fopen(output_filename_.c_str(), "wb"); | |
40 if (output_file_ == nullptr) { | |
41 fprintf(stderr, "Couldn't open output file for writing: %s\n", | |
42 output_filename_.c_str()); | |
43 return false; | |
44 } | |
45 return true; | |
46 } | |
47 | |
48 bool YuvFrameWriterImpl::WriteFrame(uint8_t* frame_buffer) { | |
49 RTC_DCHECK(frame_buffer); | |
50 if (output_file_ == nullptr) { | |
51 fprintf(stderr, | |
52 "YuvFrameWriterImpl is not initialized (output file is NULL)\n"); | |
53 return false; | |
54 } | |
55 size_t bytes_written = | |
56 fwrite(frame_buffer, 1, frame_length_in_bytes_, output_file_); | |
57 if (bytes_written != frame_length_in_bytes_) { | |
58 fprintf(stderr, "Failed to write %zu bytes to file %s\n", | |
59 frame_length_in_bytes_, output_filename_.c_str()); | |
60 return false; | |
61 } | |
62 return true; | |
63 } | |
64 | |
65 void YuvFrameWriterImpl::Close() { | |
66 if (output_file_ != nullptr) { | |
67 fclose(output_file_); | |
68 output_file_ = nullptr; | |
69 } | |
70 } | |
71 | |
72 size_t YuvFrameWriterImpl::FrameLength() { | |
73 return frame_length_in_bytes_; | |
74 } | |
75 | |
76 } // namespace test | |
77 } // namespace webrtc | |
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