diff options
Diffstat (limited to 'media/libaom/test/fuzztest/av1_fuzzer.cpp')
-rw-r--r-- | media/libaom/test/fuzztest/av1_fuzzer.cpp | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/media/libaom/test/fuzztest/av1_fuzzer.cpp b/media/libaom/test/fuzztest/av1_fuzzer.cpp new file mode 100644 index 0000000000..db452b9720 --- /dev/null +++ b/media/libaom/test/fuzztest/av1_fuzzer.cpp @@ -0,0 +1,92 @@ +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* vim: set ts=2 et sw=2 tw=80: */ +/* Copyright 2018 Google Inc. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. */ + +/* This file was originally imported from Google's oss-fuzz project at + * https://github.com/google/oss-fuzz/tree/master/projects/libaom */ + +#define DECODE_MODE 1 +#include "FuzzingInterface.h" + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <memory> + +#include "aom/aom_decoder.h" +#include "aom/aomdx.h" +#include "aom_ports/mem_ops.h" +#include "common/ivfdec.h" + +static const char *const kIVFSignature = "DKIF"; + +static void close_file(FILE *file) { fclose(file); } + +void usage_exit(void) { exit(EXIT_FAILURE); } + +static int +LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) { + std::unique_ptr<FILE, decltype(&close_file)> file( + fmemopen((void *)data, size, "rb"), &close_file); + + if (file == nullptr) { + return 0; + } + + char header[32]; + if (fread(header, 1, 32, file.get()) != 32) { + return 0; + } + + const AvxInterface *decoder = get_aom_decoder_by_name("av1"); + if (decoder == nullptr) { + return 0; + } + + aom_codec_ctx_t codec; +#if defined(DECODE_MODE) + const int threads = 1; +#elif defined(DECODE_MODE_threaded) + const int threads = 16; +#else +#error define one of DECODE_MODE or DECODE_MODE_threaded +#endif + aom_codec_dec_cfg_t cfg = {threads, 0, 0}; + if (aom_codec_dec_init(&codec, decoder->codec_interface(), &cfg, 0)) { + return 0; + } + + int frame_in_cnt = 0; + int frame_out_cnt = 0; + uint8_t *buffer = nullptr; + size_t buffer_size = 0; + size_t frame_size = 0; + while (!ivf_read_frame(file.get(), &buffer, &frame_size, &buffer_size, + nullptr)) { + const aom_codec_err_t err = + aom_codec_decode(&codec, buffer, frame_size, nullptr); + ++frame_in_cnt; + aom_codec_iter_t iter = nullptr; + aom_image_t *img = nullptr; + while ((img = aom_codec_get_frame(&codec, &iter)) != nullptr) { + ++frame_out_cnt; + } + } + aom_codec_destroy(&codec); + free(buffer); + return 0; +} + +MOZ_FUZZING_INTERFACE_RAW(nullptr, LLVMFuzzerTestOneInput, AV1Decode); |