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/*
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    RawSpeed - RAW file decoder.
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    Copyright (C) 2018 Roman Lebedev
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    This library is free software; you can redistribute it and/or
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    modify it under the terms of the GNU Lesser General Public
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    License as published by the Free Software Foundation; either
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    version 2 of the License, or (at your option) any later version.
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    This library is distributed in the hope that it will be useful,
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    but WITHOUT ANY WARRANTY; without even the implied warranty of
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    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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    Lesser General Public License for more details.
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    You should have received a copy of the GNU Lesser General Public
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    License along with this library; if not, write to the Free Software
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    Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include "decompressors/VC5Decompressor.h" // for VC5Decompressor
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#include "common/RawImage.h"               // for RawImage
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#include "common/RawspeedException.h"      // for RawspeedException
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#include "fuzz/Common.h"                   // for CreateRawImage
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#include "io/Buffer.h"                     // for Buffer, DataBuffer
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#include "io/ByteStream.h"                 // for ByteStream
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#include "io/Endianness.h"                 // for Endianness, Endianne...
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#include <cassert>                         // for assert
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#include <cstdint>                         // for uint8_t
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#include <cstdio>                          // for size_t
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extern "C" int LLVMFuzzerTestOneInput(const uint8_t* Data, size_t Size);
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extern "C" int LLVMFuzzerTestOneInput(const uint8_t* Data, size_t Size) {
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  assert(Data);
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  try {
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    const rawspeed::Buffer b(Data, Size);
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    const rawspeed::DataBuffer db(b, rawspeed::Endianness::little);
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    rawspeed::ByteStream bs(db);
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    rawspeed::RawImage mRaw(CreateRawImage(&bs));
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    mRaw->whitePoint = bs.getI32();
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    const auto offsetX = bs.getU32();
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    const auto offsetY = bs.getU32();
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    const auto width = bs.getU32();
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    const auto height = bs.getU32();
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    rawspeed::VC5Decompressor v(bs, mRaw);
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    mRaw->createData();
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    v.decode(offsetX, offsetY, width, height);
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    // VC5Decompressor is special
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    // It is expected to be the only DNG tile, and to fill the entire image.
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    mRaw->checkMemIsInitialized();
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  } catch (rawspeed::RawspeedException&) {
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    // Exceptions are good, crashes are bad.
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  }
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  return 0;
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}

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