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Side by Side Diff: webrtc/modules/video_coding/codecs/test/packet_manipulator.cc

Issue 1541803002: Lint fix for webrtc/modules/video_coding PART 1! (Closed) Base URL: https://chromium.googlesource.com/external/webrtc.git@master
Patch Set: Created 5 years ago
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1 /* 1 /*
2 * Copyright (c) 2012 The WebRTC project authors. All Rights Reserved. 2 * Copyright (c) 2012 The WebRTC project authors. All Rights Reserved.
3 * 3 *
4 * Use of this source code is governed by a BSD-style license 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 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 6 * tree. An additional intellectual property rights grant can be found
7 * in the file PATENTS. All contributing project authors may 7 * in the file PATENTS. All contributing project authors may
8 * be found in the AUTHORS file in the root of the source tree. 8 * be found in the AUTHORS file in the root of the source tree.
9 */ 9 */
10 10
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50 int nbr_bytes_to_read; 50 int nbr_bytes_to_read;
51 // keep track of if we've lost any packets, since then we shall loose 51 // keep track of if we've lost any packets, since then we shall loose
52 // the remains of the current frame: 52 // the remains of the current frame:
53 bool packet_loss_has_occurred = false; 53 bool packet_loss_has_occurred = false;
54 while ((nbr_bytes_to_read = packet_reader_->NextPacket(&packet)) > 0) { 54 while ((nbr_bytes_to_read = packet_reader_->NextPacket(&packet)) > 0) {
55 // Check if we're currently in a packet loss burst that is not completed: 55 // Check if we're currently in a packet loss burst that is not completed:
56 if (active_burst_packets_ > 0) { 56 if (active_burst_packets_ > 0) {
57 active_burst_packets_--; 57 active_burst_packets_--;
58 nbr_packets_dropped++; 58 nbr_packets_dropped++;
59 } else if (RandomUniform() < config_.packet_loss_probability || 59 } else if (RandomUniform() < config_.packet_loss_probability ||
60 packet_loss_has_occurred) { 60 packet_loss_has_occurred) {
61 packet_loss_has_occurred = true; 61 packet_loss_has_occurred = true;
62 nbr_packets_dropped++; 62 nbr_packets_dropped++;
63 if (config_.packet_loss_mode == kBurst) { 63 if (config_.packet_loss_mode == kBurst) {
64 // Initiate a new burst 64 // Initiate a new burst
65 active_burst_packets_ = config_.packet_loss_burst_length - 1; 65 active_burst_packets_ = config_.packet_loss_burst_length - 1;
66 } 66 }
67 } else { 67 } else {
68 new_length += nbr_bytes_to_read; 68 new_length += nbr_bytes_to_read;
69 } 69 }
70 } 70 }
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84 void PacketManipulatorImpl::InitializeRandomSeed(unsigned int seed) { 84 void PacketManipulatorImpl::InitializeRandomSeed(unsigned int seed) {
85 random_seed_ = seed; 85 random_seed_ = seed;
86 } 86 }
87 87
88 inline double PacketManipulatorImpl::RandomUniform() { 88 inline double PacketManipulatorImpl::RandomUniform() {
89 // Use the previous result as new seed before each rand() call. Doing this 89 // Use the previous result as new seed before each rand() call. Doing this
90 // it doesn't matter if other threads are calling rand() since we'll always 90 // it doesn't matter if other threads are calling rand() since we'll always
91 // get the same behavior as long as we're using a fixed initial seed. 91 // get the same behavior as long as we're using a fixed initial seed.
92 critsect_->Enter(); 92 critsect_->Enter();
93 srand(random_seed_); 93 srand(random_seed_);
94 random_seed_ = rand(); 94 random_seed_ = rand(); // NOLINT (rand_r instead of rand)
95 critsect_->Leave(); 95 critsect_->Leave();
96 return (random_seed_ + 1.0)/(RAND_MAX + 1.0); 96 return (random_seed_ + 1.0) / (RAND_MAX + 1.0);
97 } 97 }
98 98
99 const char* PacketLossModeToStr(PacketLossMode e) { 99 const char* PacketLossModeToStr(PacketLossMode e) {
100 switch (e) { 100 switch (e) {
101 case kUniform: 101 case kUniform:
102 return "Uniform"; 102 return "Uniform";
103 case kBurst: 103 case kBurst:
104 return "Burst"; 104 return "Burst";
105 default: 105 default:
106 assert(false); 106 assert(false);
107 return "Unknown"; 107 return "Unknown";
108 } 108 }
109 } 109 }
110 110
111 } // namespace test 111 } // namespace test
112 } // namespace webrtcc 112 } // namespace webrtc
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