RawSpeed
fast raw decoding library
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PanasonicV7Decompressor.h
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1/*
2 RawSpeed - RAW file decoder.
3
4 Copyright (C) 2022 Jordan Neumeyer
5
6 This library is free software; you can redistribute it and/or
7 modify it under the terms of the GNU Lesser General Public
8 License as published by the Free Software Foundation; either
9 version 2.1 of the License, or (at your option) any later version.
10
11 This library is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 Lesser General Public License for more details.
15
16 You should have received a copy of the GNU Lesser General Public
17 License along with this library; if not, write to the Free Software
18 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19*/
20
21#pragma once
22
23#include "common/RawImage.h"
25#include "io/ByteStream.h"
26#include <climits>
27#include <cstdint>
28
29namespace rawspeed {
30template <class T> class CroppedArray1DRef;
31
34
36
37 static constexpr int BytesPerBlock = 16;
38 static constexpr int BitsPerSample = 14;
39 static constexpr int PixelsPerBlock =
40 (CHAR_BIT * BytesPerBlock) / BitsPerSample;
41
42 static inline void __attribute__((always_inline))
43 decompressBlock(ByteStream block, CroppedArray1DRef<uint16_t> out) noexcept;
44
45 void decompressRow(int row) const noexcept;
46
47public:
49
50 void decompress() const;
51};
52
53} // namespace rawspeed
PanasonicV7Decompressor(RawImage img, ByteStream input_)
static void CroppedArray1DRef< uint16_t > out noexcept
void decompressRow(int row) const noexcept
static void __attribute__((always_inline)) decompressBlock(ByteStream block