/*
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* Copyright (c) 2019, Alliance for Open Media. All rights reserved
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*
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* This source code is subject to the terms of the BSD 2 Clause License and
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* the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
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* was not distributed with this source code in the LICENSE file, you can
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* obtain it at www.aomedia.org/license/software. If the Alliance for Open
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* Media Patent License 1.0 was not distributed with this source code in the
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* PATENTS file, you can obtain it at www.aomedia.org/license/patent.
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*/
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/*
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* See build_av1_dec_fuzzer.sh for building instructions.
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*/
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#include <stddef.h>
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#include <stdint.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <memory>
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#include "config/aom_config.h"
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#include "aom/aom_decoder.h"
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#include "aom/aomdx.h"
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#include "aom_ports/mem_ops.h"
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#include "common/ivfdec.h"
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static void close_file(FILE *file) { fclose(file); }
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extern "C" void usage_exit(void) { exit(EXIT_FAILURE); }
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extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
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std::unique_ptr<FILE, decltype(&close_file)> file(
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fmemopen((void *)data, size, "rb"), &close_file);
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if (file == nullptr) {
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return 0;
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}
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char header[32];
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if (fread(header, 1, 32, file.get()) != 32) {
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return 0;
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}
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const AvxInterface *decoder = get_aom_decoder_by_name("av1");
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if (decoder == nullptr) {
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return 0;
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}
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aom_codec_ctx_t codec;
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// Set thread count in the range [1, 64].
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const unsigned int threads = (header[0] & 0x3f) + 1;
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aom_codec_dec_cfg_t cfg = { threads, 0, 0, CONFIG_LOWBITDEPTH };
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if (aom_codec_dec_init(&codec, decoder->codec_interface(), &cfg, 0)) {
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return 0;
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}
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uint8_t *buffer = nullptr;
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size_t buffer_size = 0;
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size_t frame_size = 0;
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while (!ivf_read_frame(file.get(), &buffer, &frame_size, &buffer_size,
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nullptr)) {
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const aom_codec_err_t err =
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aom_codec_decode(&codec, buffer, frame_size, nullptr);
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static_cast<void>(err);
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aom_codec_iter_t iter = nullptr;
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aom_image_t *img = nullptr;
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while ((img = aom_codec_get_frame(&codec, &iter)) != nullptr) {
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}
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}
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aom_codec_destroy(&codec);
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free(buffer);
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return 0;
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}
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