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/*
* Copyright (c) 2022 The WebRTC project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#include <cstddef>
#include <cstdint>
#include <memory>
#include "modules/audio_coding/codecs/pcm16b/audio_decoder_pcm16b.h"
#include "rtc_base/checks.h"
#include "test/fuzzers/audio_decoder_fuzzer.h"
namespace webrtc {
void FuzzOneInput(const uint8_t* data, size_t size) {
if (size > 10000 || size < 2) {
return;
}
int sample_rate_hz;
switch (data[0] % 4) {
case 0:
sample_rate_hz = 8000;
break;
case 1:
sample_rate_hz = 16000;
break;
case 2:
sample_rate_hz = 32000;
break;
case 3:
sample_rate_hz = 48000;
break;
default:
RTC_DCHECK_NOTREACHED();
return;
}
const size_t num_channels = data[1] % 16 + 1;
// Two first bytes of the data are used. Move forward.
data += 2;
size -= 2;
AudioDecoderPcm16B dec(sample_rate_hz, num_channels);
// Allocate a maximum output size of 100 ms.
const size_t allocated_ouput_size_samples =
sample_rate_hz * num_channels / 10;
std::unique_ptr<int16_t[]> output =
std::make_unique<int16_t[]>(allocated_ouput_size_samples);
FuzzAudioDecoder(
DecoderFunctionType::kNormalDecode, data, size, &dec, sample_rate_hz,
allocated_ouput_size_samples * sizeof(int16_t), output.get());
}
} // namespace webrtc
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