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/*
* Copyright (c) 2017 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 "modules/video_coding/frame_object.h"
#include "modules/video_coding/packet_buffer.h"
#include "system_wrappers/include/clock.h"
#include "test/fuzzers/fuzz_data_helper.h"
namespace webrtc {
namespace {
class NullCallback : public video_coding::OnAssembledFrameCallback {
void OnAssembledFrame(std::unique_ptr<video_coding::RtpFrameObject> frame) {}
};
} // namespace
void FuzzOneInput(const uint8_t* data, size_t size) {
if (size > 200000) {
return;
}
VCMPacket packet;
NullCallback callback;
SimulatedClock clock(0);
rtc::scoped_refptr<video_coding::PacketBuffer> packet_buffer(
video_coding::PacketBuffer::Create(&clock, 8, 1024, &callback));
test::FuzzDataHelper helper(rtc::ArrayView<const uint8_t>(data, size));
while (helper.BytesLeft()) {
// The RTPVideoHeader is a complex type, so overwriting it with random data
// will put it in an invalid state. Therefore we save/restore it.
uint8_t video_header_backup[sizeof(packet.video_header)];
memcpy(&video_header_backup, &packet.video_header,
sizeof(packet.video_header));
uint8_t generic_descriptor_backup[sizeof(packet.generic_descriptor)];
memcpy(&generic_descriptor_backup, &packet.generic_descriptor,
sizeof(packet.generic_descriptor));
helper.CopyTo(&packet);
memcpy(&packet.video_header, &video_header_backup,
sizeof(packet.video_header));
memcpy(&packet.generic_descriptor, &generic_descriptor_backup,
sizeof(packet.generic_descriptor));
// The packet buffer owns the payload of the packet.
uint8_t payload_size;
helper.CopyTo(&payload_size);
packet.sizeBytes = payload_size;
packet.dataPtr = new uint8_t[payload_size];
packet_buffer->InsertPacket(&packet);
}
}
} // namespace webrtc
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