diff options
Diffstat (limited to 'webrtc/test/fuzzers/producer_fec_fuzzer.cc')
-rw-r--r-- | webrtc/test/fuzzers/producer_fec_fuzzer.cc | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/webrtc/test/fuzzers/producer_fec_fuzzer.cc b/webrtc/test/fuzzers/producer_fec_fuzzer.cc new file mode 100644 index 0000000000..7322fed4bf --- /dev/null +++ b/webrtc/test/fuzzers/producer_fec_fuzzer.cc @@ -0,0 +1,60 @@ +/* + * Copyright (c) 2015 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 "webrtc/base/checks.h" +#include "webrtc/base/scoped_ptr.h" +#include "webrtc/modules/rtp_rtcp/source/byte_io.h" +#include "webrtc/modules/rtp_rtcp/source/producer_fec.h" + +namespace webrtc { + +void FuzzOneInput(const uint8_t* data, size_t size) { + ForwardErrorCorrection fec; + ProducerFec producer(&fec); + size_t i = 0; + if (size < 4) + return; + FecProtectionParams params = {data[i++] % 128, data[i++] % 1, + static_cast<int>(data[i++] % 10), + kFecMaskBursty}; + producer.SetFecParameters(¶ms, 0); + uint16_t seq_num = data[i++]; + + while (i + 3 < size) { + size_t rtp_header_length = data[i++] % 10 + 12; + size_t payload_size = data[i++] % 10; + if (i + payload_size + rtp_header_length + 2 > size) + break; + rtc::scoped_ptr<uint8_t[]> packet( + new uint8_t[payload_size + rtp_header_length]); + memcpy(packet.get(), &data[i], payload_size + rtp_header_length); + ByteWriter<uint16_t>::WriteBigEndian(&packet[2], seq_num++); + i += payload_size + rtp_header_length; + // Make sure sequence numbers are increasing. + const int kRedPayloadType = 98; + rtc::scoped_ptr<RedPacket> red_packet(producer.BuildRedPacket( + packet.get(), payload_size, rtp_header_length, kRedPayloadType)); + bool protect = static_cast<bool>(data[i++] % 2); + if (protect) { + producer.AddRtpPacketAndGenerateFec(packet.get(), payload_size, + rtp_header_length); + } + uint16_t num_fec_packets = producer.NumAvailableFecPackets(); + std::vector<RedPacket*> fec_packets; + if (num_fec_packets > 0) { + fec_packets = + producer.GetFecPackets(kRedPayloadType, 99, 100, rtp_header_length); + RTC_CHECK_EQ(num_fec_packets, fec_packets.size()); + } + for (RedPacket* fec_packet : fec_packets) { + delete fec_packet; + } + } +} +} // namespace webrtc |