diff options
Diffstat (limited to 'src/3rdparty/libjpeg/src/jdhuff.h')
| -rw-r--r-- | src/3rdparty/libjpeg/src/jdhuff.h | 20 |
1 files changed, 16 insertions, 4 deletions
diff --git a/src/3rdparty/libjpeg/src/jdhuff.h b/src/3rdparty/libjpeg/src/jdhuff.h index 6a8d90f402..3eee002c02 100644 --- a/src/3rdparty/libjpeg/src/jdhuff.h +++ b/src/3rdparty/libjpeg/src/jdhuff.h @@ -3,14 +3,18 @@ * * This file was part of the Independent JPEG Group's software: * Copyright (C) 1991-1997, Thomas G. Lane. + * Lossless JPEG Modifications: + * Copyright (C) 1999, Ken Murchison. * libjpeg-turbo Modifications: - * Copyright (C) 2010-2011, 2015-2016, D. R. Commander. + * Copyright (C) 2010-2011, 2015-2016, 2021, D. R. Commander. + * Copyright (C) 2018, Matthias Räncker. * For conditions of distribution and use, see the accompanying README.ijg * file. * * This file contains declarations for Huffman entropy decoding routines - * that are shared between the sequential decoder (jdhuff.c) and the - * progressive decoder (jdphuff.c). No other modules need to see these. + * that are shared between the sequential decoder (jdhuff.c), the progressive + * decoder (jdphuff.c), and the lossless decoder (jdlhuff.c). No other modules + * need to see these. */ #include "jconfigint.h" @@ -78,6 +82,11 @@ EXTERN(void) jpeg_make_d_derived_tbl(j_decompress_ptr cinfo, boolean isDC, typedef size_t bit_buf_type; /* type of bit-extraction buffer */ #define BIT_BUF_SIZE 64 /* size of buffer in bits */ +#elif defined(__x86_64__) && defined(__ILP32__) + +typedef unsigned long long bit_buf_type; /* type of bit-extraction buffer */ +#define BIT_BUF_SIZE 64 /* size of buffer in bits */ + #else typedef unsigned long bit_buf_type; /* type of bit-extraction buffer */ @@ -228,7 +237,10 @@ slowlabel: \ s |= GET_BITS(1); \ nb++; \ } \ - s = htbl->pub->huffval[(int)(s + htbl->valoffset[nb]) & 0xFF]; \ + if (nb > 16) \ + s = 0; \ + else \ + s = htbl->pub->huffval[(int)(s + htbl->valoffset[nb]) & 0xFF]; \ } /* Out-of-line case for Huffman code fetching */ |