0a4c1616bf
There is no need for it to be an interface. In this CL, I also took the opportunity to make two small fixes: - remove the 'flexfec_' prefix from some member variables - remove unnecessary use of a stringstream object BUG=webrtc:5654 Review-Url: https://codereview.webrtc.org/2471073003 Cr-Commit-Position: refs/heads/master@{#14919}
69 lines
2.2 KiB
C++
69 lines
2.2 KiB
C++
/*
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* Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#include <algorithm>
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#include "webrtc/base/basictypes.h"
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#include "webrtc/modules/rtp_rtcp/include/rtp_rtcp_defines.h"
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#include "webrtc/modules/rtp_rtcp/include/flexfec_receiver.h"
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#include "webrtc/modules/rtp_rtcp/source/byte_io.h"
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namespace webrtc {
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namespace {
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class DummyCallback : public RecoveredPacketReceiver {
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bool OnRecoveredPacket(const uint8_t* packet, size_t length) { return true; }
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};
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} // namespace
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void FuzzOneInput(const uint8_t* data, size_t size) {
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constexpr size_t kMinDataNeeded = 12;
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if (size < kMinDataNeeded) {
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return;
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}
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uint32_t flexfec_ssrc;
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memcpy(&flexfec_ssrc, data + 0, 4);
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uint16_t flexfec_seq_num;
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memcpy(&flexfec_seq_num, data + 4, 2);
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uint32_t media_ssrc;
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memcpy(&media_ssrc, data + 6, 4);
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uint16_t media_seq_num;
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memcpy(&media_seq_num, data + 10, 2);
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DummyCallback callback;
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FlexfecReceiver receiver(flexfec_ssrc, media_ssrc, &callback);
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std::unique_ptr<uint8_t[]> packet;
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size_t packet_length;
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size_t i = kMinDataNeeded;
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while (i < size) {
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packet_length = kRtpHeaderSize + data[i++];
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packet = std::unique_ptr<uint8_t[]>(new uint8_t[packet_length]);
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if (i + packet_length >= size) {
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break;
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}
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memcpy(packet.get(), data + i, packet_length);
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i += packet_length;
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if (i < size && data[i++] % 2 == 0) {
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// Simulate FlexFEC packet.
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ByteWriter<uint16_t>::WriteBigEndian(packet.get() + 2, flexfec_seq_num++);
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ByteWriter<uint32_t>::WriteBigEndian(packet.get() + 8, flexfec_ssrc);
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} else {
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// Simulate media packet.
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ByteWriter<uint16_t>::WriteBigEndian(packet.get() + 2, media_seq_num++);
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ByteWriter<uint32_t>::WriteBigEndian(packet.get() + 8, media_ssrc);
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}
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receiver.AddAndProcessReceivedPacket(packet.get(), packet_length);
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}
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}
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} // namespace webrtc
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