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68 lines
2.1 KiB
C++
68 lines
2.1 KiB
C++
/******************************************************************************
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*
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* Copyright 2022 Google LLC
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at:
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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******************************************************************************/
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#include <lc3_cpp.h>
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#include <fuzzer/FuzzedDataProvider.h>
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using namespace lc3;
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extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
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{
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const int dt_list[] = { 2500, 5000, 7500, 10000 };
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const int sr_list[] = { 8000, 16000, 24000, 32000, 48000, 96000 };
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FuzzedDataProvider fdp(data, size);
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int dt_us = fdp.PickValueInArray(dt_list);
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int sr_hz = fdp.PickValueInArray(sr_list);
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int nchannels =fdp.PickValueInArray({1, 2});
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bool hrmode = fdp.ConsumeBool();
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int sr_pcm_hz = fdp.PickValueInArray(sr_list);
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if (sr_pcm_hz < sr_hz)
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sr_pcm_hz = 0;
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Decoder dec(dt_us, sr_hz, sr_pcm_hz, nchannels, hrmode);
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int frame_size = fdp.ConsumeIntegralInRange(
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LC3_MIN_FRAME_BYTES, LC3_MAX_FRAME_BYTES);
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PcmFormat fmt = fdp.PickValueInArray(
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{ PcmFormat::kS16, PcmFormat::kS24,
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PcmFormat::kS24In3Le, PcmFormat::kF32 });
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int frame_samples = dec.GetFrameSamples();
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if (frame_samples < 0)
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return -1;
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int sample_bytes =
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fmt == PcmFormat::kS16 ? sizeof(int16_t) :
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fmt == PcmFormat::kS24 ? sizeof(int32_t) :
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fmt == PcmFormat::kS24In3Le ? sizeof(uint8_t) * 3 :
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fmt == PcmFormat::kF32 ? sizeof(float) : 0;
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if (fdp.remaining_bytes() < frame_size * nchannels)
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return -1;
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dec.Decode(
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fdp.ConsumeBytes<uint8_t>(nchannels * frame_size).data(), frame_size,
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fmt, std::vector<uint8_t>(nchannels * frame_samples * sample_bytes).data());
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return 0;
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}
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