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097fc347ec
This is in prep for the migration of all unwrappers to SequenceNumberUnwrapper as a standard implementation. This moves the SeqNumUnwapper to its own header and adds 2 methods to SeqNumUnwrapper which are defined by other unwrappers: * PeekUnwrap * Reset It also adds two implementations for RtpTimestamps and RtpSequenceNumbers. Bug: webrtc:13982 Change-Id: I5baefb2de1db92fe1bb600760bd63b71e9310eb5 Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/288742 Commit-Queue: Evan Shrubsole <eshr@webrtc.org> Reviewed-by: Harald Alvestrand <hta@webrtc.org> Auto-Submit: Evan Shrubsole <eshr@webrtc.org> Cr-Commit-Position: refs/heads/main@{#39030}
87 lines
2.5 KiB
C++
87 lines
2.5 KiB
C++
/*
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* Copyright (c) 2021 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 "api/array_view.h"
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#include "api/video/encoded_frame.h"
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#include "api/video/frame_buffer.h"
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#include "rtc_base/numerics/sequence_number_unwrapper.h"
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#include "test/fuzzers/fuzz_data_helper.h"
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#include "test/scoped_key_value_config.h"
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namespace webrtc {
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namespace {
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class FuzzyFrameObject : public EncodedFrame {
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public:
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int64_t ReceivedTime() const override { return 0; }
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int64_t RenderTime() const override { return 0; }
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};
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constexpr int kFrameIdLength = 1 << 15;
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} // namespace
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void FuzzOneInput(const uint8_t* data, size_t size) {
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if (size > 10000) {
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return;
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}
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test::ScopedKeyValueConfig field_trials;
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FrameBuffer buffer(/*max_frame_slots=*/100, /*max_decode_history=*/1000,
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field_trials);
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test::FuzzDataHelper helper(rtc::MakeArrayView(data, size));
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SeqNumUnwrapper<uint16_t, kFrameIdLength> unwrapper;
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while (helper.BytesLeft() > 0) {
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int action = helper.ReadOrDefaultValue<uint8_t>(0) % 6;
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switch (action) {
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case 0: {
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buffer.LastContinuousFrameId();
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break;
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}
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case 1: {
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buffer.LastContinuousTemporalUnitFrameId();
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break;
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}
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case 2: {
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buffer.DecodableTemporalUnitsInfo();
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break;
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}
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case 3: {
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buffer.ExtractNextDecodableTemporalUnit();
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break;
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}
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case 4: {
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buffer.DropNextDecodableTemporalUnit();
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break;
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}
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case 5: {
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auto frame = std::make_unique<FuzzyFrameObject>();
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frame->SetTimestamp(helper.ReadOrDefaultValue<uint32_t>(0));
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int64_t wire_id =
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helper.ReadOrDefaultValue<uint16_t>(0) & (kFrameIdLength - 1);
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frame->SetId(unwrapper.Unwrap(wire_id));
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frame->is_last_spatial_layer = helper.ReadOrDefaultValue<bool>(false);
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frame->num_references = helper.ReadOrDefaultValue<uint8_t>(0) %
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EncodedFrame::kMaxFrameReferences;
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for (uint8_t i = 0; i < frame->num_references; ++i) {
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frame->references[i] = helper.ReadOrDefaultValue<int64_t>(0);
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}
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buffer.InsertFrame(std::move(frame));
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break;
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}
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}
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}
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}
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} // namespace webrtc
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