blob: 07fb0ad2847cb46e458ff6fe586225102b660c1c [file] [log] [blame]
// Copyright 2016 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include <stddef.h>
#include <stdint.h>
#include "base/logging.h"
#include "base/numerics/safe_conversions.h"
#include "media/filters/ivf_parser.h"
#include "media/filters/vp9_parser.h"
struct Environment {
Environment() {
// Disable noisy logging as per "libFuzzer in Chrome" documentation:
// testing/libfuzzer/
Environment* env = new Environment();
// Entry point for LibFuzzer.
extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
std::string str = std::string(reinterpret_cast<const char*>(data), size);
std::size_t data_hash = std::hash<std::string>()(str);
const uint8_t* ivf_payload = nullptr;
media::IvfParser ivf_parser;
media::IvfFileHeader ivf_file_header;
media::IvfFrameHeader ivf_frame_header;
if (!ivf_parser.Initialize(data, size, &ivf_file_header))
return 0;
media::Vp9Parser vp9_parser(data_hash % 2 == 1);
// Parse until the end of stream/unsupported stream/error in stream is found.
while (ivf_parser.ParseNextFrame(&ivf_frame_header, &ivf_payload)) {
media::Vp9FrameHeader vp9_frame_header;
vp9_parser.SetStream(ivf_payload, ivf_frame_header.frame_size, nullptr);
// TODO(kcwu): further fuzzing the case of Vp9Parser::kAwaitingRefresh.
std::unique_ptr<media::DecryptConfig> null_config;
gfx::Size allocate_size;
while (vp9_parser.ParseNextFrame(&vp9_frame_header, &allocate_size,
&null_config) == media::Vp9Parser::kOk) {
// Repeat until all frames processed.
return 0;