Coverage Report

Created: 2025-07-01 06:21

/src/aacDecoder_DecodeFrame.cpp
Line
Count
Source (jump to first uncovered line)
1
// Copyright 2019 Google Inc.
2
//
3
// Licensed under the Apache License, Version 2.0 (the "License");
4
// you may not use this file except in compliance with the License.
5
// You may obtain a copy of the License at
6
//
7
//      http://www.apache.org/licenses/LICENSE-2.0
8
//
9
// Unless required by applicable law or agreed to in writing, software
10
// distributed under the License is distributed on an "AS IS" BASIS,
11
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12
// See the License for the specific language governing permissions and
13
// limitations under the License.
14
15
#include "aacdecoder_lib.h"
16
#include <stdint.h>
17
18
0
#define FILEREAD_MAX_LAYERS 1
19
0
#define OUT_BUF_SIZE (8 * 2048 * 4)
20
21
0
extern "C" int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {
22
0
  HANDLE_AACDECODER aacDecoderInfo = NULL;
23
24
0
  INT_PCM TimeData[OUT_BUF_SIZE];
25
0
  AAC_DECODER_ERROR err;
26
0
  aacDecoderInfo = aacDecoder_Open(TT_MP4_LOAS, FILEREAD_MAX_LAYERS);
27
0
  FDK_ASSERT(aacDecoderInfo != NULL);
28
29
0
  const uint8_t *start = Data;
30
0
  UINT valid, buffer_size;
31
32
0
  do {
33
0
    valid = buffer_size = Data + Size - start;
34
0
    err = aacDecoder_Fill(aacDecoderInfo, const_cast<UCHAR **>(&start),
35
0
                          &buffer_size, &valid);
36
0
    start += buffer_size - valid;
37
0
    if (err == AAC_DEC_OK) {
38
0
      do {
39
0
        err = aacDecoder_DecodeFrame(aacDecoderInfo, TimeData, OUT_BUF_SIZE, 0);
40
0
        if (err != AAC_DEC_OK && err != AAC_DEC_NOT_ENOUGH_BITS) {
41
0
          aacDecoder_Close(aacDecoderInfo);
42
0
          aacDecoderInfo = NULL;
43
0
          return 0;
44
0
        }
45
0
      } while (err != AAC_DEC_NOT_ENOUGH_BITS);
46
0
    }
47
0
  } while (valid > 0);
48
0
  aacDecoder_Close(aacDecoderInfo);
49
0
  aacDecoderInfo = NULL;
50
0
  return 0;
51
0
}