oss-fuzz/projects/libfdk-aac/aacDecoder_DecodeFrame.cpp

52 lines
1.7 KiB
C++

// Copyright 2019 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.
#include "aacdecoder_lib.h"
#include <stdint.h>
#define FILEREAD_MAX_LAYERS 1
#define OUT_BUF_SIZE (8 * 2048 * 4)
extern "C" int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {
HANDLE_AACDECODER aacDecoderInfo = NULL;
INT_PCM TimeData[OUT_BUF_SIZE];
AAC_DECODER_ERROR err;
aacDecoderInfo = aacDecoder_Open(TT_MP4_LOAS, FILEREAD_MAX_LAYERS);
FDK_ASSERT(aacDecoderInfo != NULL);
const uint8_t *start = Data;
UINT valid, buffer_size;
do {
valid = buffer_size = Data + Size - start;
err = aacDecoder_Fill(aacDecoderInfo, const_cast<UCHAR **>(&start),
&buffer_size, &valid);
start += buffer_size - valid;
if (err == AAC_DEC_OK) {
do {
err = aacDecoder_DecodeFrame(aacDecoderInfo, TimeData, OUT_BUF_SIZE, 0);
if (err != AAC_DEC_OK && err != AAC_DEC_NOT_ENOUGH_BITS) {
aacDecoder_Close(aacDecoderInfo);
aacDecoderInfo = NULL;
return 0;
}
} while (err != AAC_DEC_NOT_ENOUGH_BITS);
}
} while (valid > 0);
aacDecoder_Close(aacDecoderInfo);
aacDecoderInfo = NULL;
return 0;
}