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Diffstat (limited to 'third_party/libwebrtc/test/fuzzers/audio_decoder_pcm_fuzzer.cc')
-rw-r--r-- | third_party/libwebrtc/test/fuzzers/audio_decoder_pcm_fuzzer.cc | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/third_party/libwebrtc/test/fuzzers/audio_decoder_pcm_fuzzer.cc b/third_party/libwebrtc/test/fuzzers/audio_decoder_pcm_fuzzer.cc new file mode 100644 index 0000000000..dbfcaf9976 --- /dev/null +++ b/third_party/libwebrtc/test/fuzzers/audio_decoder_pcm_fuzzer.cc @@ -0,0 +1,45 @@ +/* + * 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 <memory> + +#include "modules/audio_coding/codecs/g711/audio_decoder_pcm.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; + } + + const size_t num_channels = data[0] % 16 + 1; + + std::unique_ptr<AudioDecoder> dec; + if (data[1] % 2) { + dec = std::make_unique<AudioDecoderPcmU>(num_channels); + } else { + dec = std::make_unique<AudioDecoderPcmA>(num_channels); + } + + // Two first bytes of the data are used. Move forward. + data += 2; + size -= 2; + + // Allocate a maximum output size of 100 ms. + const size_t allocated_ouput_size_samples = + dec->SampleRateHz() * num_channels / 10; + std::unique_ptr<int16_t[]> output = + std::make_unique<int16_t[]>(allocated_ouput_size_samples); + FuzzAudioDecoder(DecoderFunctionType::kNormalDecode, data, size, dec.get(), + dec->SampleRateHz(), + allocated_ouput_size_samples * sizeof(int16_t), + output.get()); +} +} // namespace webrtc |