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Issue 2708103002: Revert of Add optional visualization file writers to VideoProcessor tests. (Closed)
Patch Set: Created 3 years, 10 months ago
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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/test/testsupport/frame_reader.h"
12
13 #include "webrtc/api/video/i420_buffer.h"
14 #include "webrtc/test/frame_utils.h"
15 #include "webrtc/test/testsupport/fileutils.h"
16
17 namespace webrtc {
18 namespace test {
19
20 YuvFrameReaderImpl::YuvFrameReaderImpl(std::string input_filename,
21 int width,
22 int height)
23 : input_filename_(input_filename),
24 frame_length_in_bytes_(0),
25 width_(width),
26 height_(height),
27 number_of_frames_(-1),
28 input_file_(nullptr) {}
29
30 YuvFrameReaderImpl::~YuvFrameReaderImpl() {
31 Close();
32 }
33
34 bool YuvFrameReaderImpl::Init() {
35 if (width_ <= 0 || height_ <= 0) {
36 fprintf(stderr, "Frame width and height must be >0, was %d x %d\n", width_,
37 height_);
38 return false;
39 }
40 frame_length_in_bytes_ =
41 width_ * height_ + 2 * ((width_ + 1) / 2) * ((height_ + 1) / 2);
42
43 input_file_ = fopen(input_filename_.c_str(), "rb");
44 if (input_file_ == nullptr) {
45 fprintf(stderr, "Couldn't open input file for reading: %s\n",
46 input_filename_.c_str());
47 return false;
48 }
49 // Calculate total number of frames.
50 size_t source_file_size = GetFileSize(input_filename_);
51 if (source_file_size <= 0u) {
52 fprintf(stderr, "Found empty file: %s\n", input_filename_.c_str());
53 return false;
54 }
55 number_of_frames_ =
56 static_cast<int>(source_file_size / frame_length_in_bytes_);
57 return true;
58 }
59
60 rtc::scoped_refptr<I420Buffer> YuvFrameReaderImpl::ReadFrame() {
61 if (input_file_ == nullptr) {
62 fprintf(stderr,
63 "YuvFrameReaderImpl is not initialized (input file is NULL)\n");
64 return nullptr;
65 }
66 rtc::scoped_refptr<I420Buffer> buffer(
67 ReadI420Buffer(width_, height_, input_file_));
68 if (!buffer && ferror(input_file_)) {
69 fprintf(stderr, "Error reading from input file: %s\n",
70 input_filename_.c_str());
71 }
72 return buffer;
73 }
74
75 void YuvFrameReaderImpl::Close() {
76 if (input_file_ != nullptr) {
77 fclose(input_file_);
78 input_file_ = nullptr;
79 }
80 }
81
82 size_t YuvFrameReaderImpl::FrameLength() {
83 return frame_length_in_bytes_;
84 }
85
86 int YuvFrameReaderImpl::NumberOfFrames() {
87 return number_of_frames_;
88 }
89
90 } // namespace test
91 } // namespace webrtc
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