diff options
Diffstat (limited to 'src/3rdparty/libjpeg/src/jconfig.h.in')
| -rw-r--r-- | src/3rdparty/libjpeg/src/jconfig.h.in | 71 |
1 files changed, 29 insertions, 42 deletions
diff --git a/src/3rdparty/libjpeg/src/jconfig.h.in b/src/3rdparty/libjpeg/src/jconfig.h.in index 18a69a4814..6cb82962ff 100644 --- a/src/3rdparty/libjpeg/src/jconfig.h.in +++ b/src/3rdparty/libjpeg/src/jconfig.h.in @@ -9,65 +9,52 @@ /* libjpeg-turbo version in integer form */ #define LIBJPEG_TURBO_VERSION_NUMBER @LIBJPEG_TURBO_VERSION_NUMBER@ -/* Support arithmetic encoding */ +/* Support arithmetic encoding when using 8-bit samples */ #cmakedefine C_ARITH_CODING_SUPPORTED 1 -/* Support arithmetic decoding */ +/* Support arithmetic decoding when using 8-bit samples */ #cmakedefine D_ARITH_CODING_SUPPORTED 1 /* Support in-memory source/destination managers */ -#cmakedefine MEM_SRCDST_SUPPORTED 1 +#define MEM_SRCDST_SUPPORTED 1 -/* Use accelerated SIMD routines. */ +/* Use accelerated SIMD routines when using 8-bit samples */ #cmakedefine WITH_SIMD 1 -/* - * Define BITS_IN_JSAMPLE as either - * 8 for 8-bit sample values (the usual setting) - * 12 for 12-bit sample values - * Only 8 and 12 are legal data precisions for lossy JPEG according to the - * JPEG standard, and the IJG code does not support anything else! - * We do not support run-time selection of data precision, sorry. +/* This version of libjpeg-turbo supports run-time selection of data precision, + * so BITS_IN_JSAMPLE is no longer used to specify the data precision at build + * time. However, some downstream software expects the macro to be defined. + * Since 12-bit data precision is an opt-in feature that requires explicitly + * calling 12-bit-specific libjpeg API functions and using 12-bit-specific data + * types, the unmodified portion of the libjpeg API still behaves as if it were + * built for 8-bit precision, and JSAMPLE is still literally an 8-bit data + * type. Thus, it is correct to define BITS_IN_JSAMPLE to 8 here. */ +#ifndef BITS_IN_JSAMPLE +#define BITS_IN_JSAMPLE 8 +#endif -#define BITS_IN_JSAMPLE @BITS_IN_JSAMPLE@ /* use 8 or 12 */ - -/* Define to 1 if you have the <locale.h> header file. */ -#cmakedefine HAVE_LOCALE_H 1 - -/* Define to 1 if you have the <stddef.h> header file. */ -#cmakedefine HAVE_STDDEF_H 1 - -/* Define to 1 if you have the <stdlib.h> header file. */ -#cmakedefine HAVE_STDLIB_H 1 - -/* Define if you need to include <sys/types.h> to get size_t. */ -#cmakedefine NEED_SYS_TYPES_H 1 +#ifdef _WIN32 -/* Define if you have BSD-like bzero and bcopy in <strings.h> rather than - memset/memcpy in <string.h>. */ -#cmakedefine NEED_BSD_STRINGS 1 +#undef RIGHT_SHIFT_IS_UNSIGNED -/* Define to 1 if the system has the type `unsigned char'. */ -#cmakedefine HAVE_UNSIGNED_CHAR 1 +/* Define "boolean" as unsigned char, not int, per Windows custom */ +#ifndef __RPCNDR_H__ /* don't conflict if rpcndr.h already read */ +typedef unsigned char boolean; +#endif +#define HAVE_BOOLEAN /* prevent jmorecfg.h from redefining it */ -/* Define to 1 if the system has the type `unsigned short'. */ -#cmakedefine HAVE_UNSIGNED_SHORT 1 +/* Define "INT32" as int, not long, per Windows custom */ +#if !(defined(_BASETSD_H_) || defined(_BASETSD_H)) /* don't conflict if basetsd.h already read */ +typedef short INT16; +typedef signed int INT32; +#endif +#define XMD_H /* prevent jmorecfg.h from redefining it */ -/* Compiler does not support pointers to undefined structures. */ -#cmakedefine INCOMPLETE_TYPES_BROKEN 1 +#else /* Define if your (broken) compiler shifts signed values as if they were unsigned. */ #cmakedefine RIGHT_SHIFT_IS_UNSIGNED 1 -/* Define to 1 if type `char' is unsigned and you are not using gcc. */ -#ifndef __CHAR_UNSIGNED__ - #cmakedefine __CHAR_UNSIGNED__ 1 #endif - -/* Define to empty if `const' does not conform to ANSI C. */ -/* #undef const */ - -/* Define to `unsigned int' if <sys/types.h> does not define. */ -/* #undef size_t */ |