android13/system/media/audio_utils/fuzz/ac3framescanner_fuzzer/ac3framescanner_fuzzer.cpp

55 lines
1.6 KiB
C++
Raw Normal View History

2024-06-22 08:45:49 -04:00
/*
* Copyright (C) 2019 The Android Open Source Project
*
* 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 <string>
#include <stddef.h>
#include <audio_utils/spdif/SPDIFEncoder.h>
#include <audio_utils/format.h>
#include <system/audio.h>
namespace android {
class MySPDIFEncoder : public SPDIFEncoder {
public:
explicit MySPDIFEncoder(audio_format_t format)
: SPDIFEncoder(format) {
}
ssize_t writeOutput(const void* buffer, size_t size) override {
if (buffer == nullptr) {
return 0;
}
return size;
}
};
const static audio_format_t acs_formats[] = {AUDIO_FORMAT_AC3, AUDIO_FORMAT_E_AC3,
AUDIO_FORMAT_E_AC3_JOC};
const size_t formats_len = sizeof(acs_formats)/sizeof(audio_format_t);
extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
if (data == nullptr) {
return 0;
}
audio_format_t encoding = acs_formats[size % formats_len];
MySPDIFEncoder scanner(encoding);
scanner.isFormatSupported(encoding);
scanner.write(data, size); // parsing will be triggered based on sync keywords found in dict
scanner.reset();
return 0;
}
}