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1 /* | 1 /* |
2 * Copyright (c) 2015 The WebRTC project authors. All Rights Reserved. | 2 * Copyright (c) 2015 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 |
11 #include <memory> | 11 #include <memory> |
12 | 12 |
13 #include "webrtc/base/checks.h" | 13 #include "webrtc/base/checks.h" |
14 #include "webrtc/modules/rtp_rtcp/source/byte_io.h" | 14 #include "webrtc/modules/rtp_rtcp/source/byte_io.h" |
15 #include "webrtc/modules/rtp_rtcp/source/fec_test_helper.h" | 15 #include "webrtc/modules/rtp_rtcp/source/fec_test_helper.h" |
16 #include "webrtc/modules/rtp_rtcp/source/producer_fec.h" | 16 #include "webrtc/modules/rtp_rtcp/source/ulpfec_generator.h" |
17 | 17 |
18 namespace webrtc { | 18 namespace webrtc { |
19 | 19 |
20 namespace { | 20 namespace { |
21 constexpr uint8_t kFecPayloadType = 96; | 21 constexpr uint8_t kFecPayloadType = 96; |
22 constexpr uint8_t kRedPayloadType = 97; | 22 constexpr uint8_t kRedPayloadType = 97; |
23 } // namespace | 23 } // namespace |
24 | 24 |
25 void FuzzOneInput(const uint8_t* data, size_t size) { | 25 void FuzzOneInput(const uint8_t* data, size_t size) { |
26 ProducerFec producer; | 26 UlpfecGenerator generator; |
27 size_t i = 0; | 27 size_t i = 0; |
28 if (size < 4) | 28 if (size < 4) |
29 return; | 29 return; |
30 FecProtectionParams params = { | 30 FecProtectionParams params = { |
31 data[i++] % 128, static_cast<int>(data[i++] % 10), kFecMaskBursty}; | 31 data[i++] % 128, static_cast<int>(data[i++] % 10), kFecMaskBursty}; |
32 producer.SetFecParameters(¶ms); | 32 generator.SetFecParameters(¶ms); |
33 uint16_t seq_num = data[i++]; | 33 uint16_t seq_num = data[i++]; |
34 | 34 |
35 while (i + 3 < size) { | 35 while (i + 3 < size) { |
36 size_t rtp_header_length = data[i++] % 10 + 12; | 36 size_t rtp_header_length = data[i++] % 10 + 12; |
37 size_t payload_size = data[i++] % 10; | 37 size_t payload_size = data[i++] % 10; |
38 if (i + payload_size + rtp_header_length + 2 > size) | 38 if (i + payload_size + rtp_header_length + 2 > size) |
39 break; | 39 break; |
40 std::unique_ptr<uint8_t[]> packet( | 40 std::unique_ptr<uint8_t[]> packet( |
41 new uint8_t[payload_size + rtp_header_length]); | 41 new uint8_t[payload_size + rtp_header_length]); |
42 memcpy(packet.get(), &data[i], payload_size + rtp_header_length); | 42 memcpy(packet.get(), &data[i], payload_size + rtp_header_length); |
43 ByteWriter<uint16_t>::WriteBigEndian(&packet[2], seq_num++); | 43 ByteWriter<uint16_t>::WriteBigEndian(&packet[2], seq_num++); |
44 i += payload_size + rtp_header_length; | 44 i += payload_size + rtp_header_length; |
45 // Make sure sequence numbers are increasing. | 45 // Make sure sequence numbers are increasing. |
46 std::unique_ptr<RedPacket> red_packet = ProducerFec::BuildRedPacket( | 46 std::unique_ptr<RedPacket> red_packet = UlpfecGenerator::BuildRedPacket( |
47 packet.get(), payload_size, rtp_header_length, kRedPayloadType); | 47 packet.get(), payload_size, rtp_header_length, kRedPayloadType); |
48 const bool protect = data[i++] % 2 == 1; | 48 const bool protect = data[i++] % 2 == 1; |
49 if (protect) { | 49 if (protect) { |
50 producer.AddRtpPacketAndGenerateFec(packet.get(), payload_size, | 50 generator.AddRtpPacketAndGenerateFec(packet.get(), payload_size, |
51 rtp_header_length); | 51 rtp_header_length); |
52 } | 52 } |
53 const size_t num_fec_packets = producer.NumAvailableFecPackets(); | 53 const size_t num_fec_packets = generator.NumAvailableFecPackets(); |
54 if (num_fec_packets > 0) { | 54 if (num_fec_packets > 0) { |
55 std::vector<std::unique_ptr<RedPacket>> fec_packets = | 55 std::vector<std::unique_ptr<RedPacket>> fec_packets = |
56 producer.GetUlpfecPacketsAsRed(kRedPayloadType, kFecPayloadType, 100, | 56 generator.GetUlpfecPacketsAsRed(kRedPayloadType, kFecPayloadType, 100, |
57 rtp_header_length); | 57 rtp_header_length); |
58 RTC_CHECK_EQ(num_fec_packets, fec_packets.size()); | 58 RTC_CHECK_EQ(num_fec_packets, fec_packets.size()); |
59 } | 59 } |
60 } | 60 } |
61 } | 61 } |
62 } // namespace webrtc | 62 } // namespace webrtc |
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