1 /* 2 * Copyright (c) 2022 The WebRTC project authors. All Rights Reserved. 3 * 4 * Use of this source code is governed by a BSD-style license 5 * that can be found in the LICENSE file in the root of the source 6 * tree. An additional intellectual property rights grant can be found 7 * in the file PATENTS. All contributing project authors may 8 * be found in the AUTHORS file in the root of the source tree. 9 */ 10 11 #include <memory> 12 13 #include "modules/audio_coding/codecs/g711/audio_decoder_pcm.h" 14 #include "test/fuzzers/audio_decoder_fuzzer.h" 15 16 namespace webrtc { FuzzOneInput(const uint8_t * data,size_t size)17void FuzzOneInput(const uint8_t* data, size_t size) { 18 if (size > 10000 || size < 2) { 19 return; 20 } 21 22 const size_t num_channels = data[0] % 16 + 1; 23 24 std::unique_ptr<AudioDecoder> dec; 25 if (data[1] % 2) { 26 dec = std::make_unique<AudioDecoderPcmU>(num_channels); 27 } else { 28 dec = std::make_unique<AudioDecoderPcmA>(num_channels); 29 } 30 31 // Two first bytes of the data are used. Move forward. 32 data += 2; 33 size -= 2; 34 35 // Allocate a maximum output size of 100 ms. 36 const size_t allocated_ouput_size_samples = 37 dec->SampleRateHz() * num_channels / 10; 38 std::unique_ptr<int16_t[]> output = 39 std::make_unique<int16_t[]>(allocated_ouput_size_samples); 40 FuzzAudioDecoder(DecoderFunctionType::kNormalDecode, data, size, dec.get(), 41 dec->SampleRateHz(), 42 allocated_ouput_size_samples * sizeof(int16_t), 43 output.get()); 44 } 45 } // namespace webrtc 46