* Collection of useful common types and macros definitions
*****************************************************************************
* Copyright (C) 1998, 1999, 2000 VideoLAN
+ * $Id: common.h,v 1.47 2001/11/08 21:07:24 jlj Exp $
*
- * Authors:
+ * Authors: Samuel Hocevar <sam@via.ecp.fr>
+ * Vincent Seguin <seguin@via.ecp.fr>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
- *
+ *
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
*
- * You should have received a copy of the GNU General Public
- * License along with this program; if not, write to the
- * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- * Boston, MA 02111-1307, USA.
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
*****************************************************************************/
/*****************************************************************************
typedef u8 byte_t;
/* Boolean type */
+#ifdef BOOLEAN_T_IN_SYS_TYPES_H
+# include <sys/types.h>
+#elif defined(BOOLEAN_T_IN_PTHREAD_H)
+# include <pthread.h>
+#elif defined(BOOLEAN_T_IN_CTHREADS_H)
+# include <cthreads.h>
+#else
typedef int boolean_t;
+#endif
#ifdef SYS_GNU
-#define _MACH_I386_BOOLEAN_H_
+# define _MACH_I386_BOOLEAN_H_
+#endif
+
+/* ptrdiff_t definition */
+#ifdef HAVE_STDDEF_H
+# include <stddef.h>
+#else
+# include <malloc.h>
+# ifndef _PTRDIFF_T
+# define _PTRDIFF_T
+/* Not portable in a 64-bit environment. */
+typedef int ptrdiff_t;
+# endif
#endif
/* Counter for statistics and profiling */
typedef unsigned long count_t;
+/* DCT elements types */
+typedef s16 dctelem_t;
+
+/* Video buffer types */
+typedef u8 yuv_data_t;
+
/*****************************************************************************
* Classes declaration
*****************************************************************************/
+/* Plugins */
+struct plugin_bank_s;
+struct plugin_info_s;
+
+typedef struct plugin_bank_s * p_plugin_bank_t;
+typedef struct plugin_info_s * p_plugin_info_t;
+
+/* Plugins */
+struct playlist_s;
+struct playlist_item_s;
+
+typedef struct playlist_s * p_playlist_t;
+typedef struct playlist_item_s * p_playlist_item_t;
+
/* Interface */
struct intf_thread_s;
struct intf_sys_s;
/* Input */
struct input_thread_s;
-struct input_vlan_s;
+struct input_channel_s;
struct input_cfg_s;
typedef struct input_thread_s * p_input_thread_t;
-typedef struct input_vlan_s * p_input_vlan_t;
+typedef struct input_channel_s * p_input_channel_t;
typedef struct input_cfg_s * p_input_cfg_t;
/* Audio */
typedef struct vpar_thread_s * p_vpar_thread_t;
typedef struct video_parser_s * p_video_parser_t;
+/* Misc */
+struct macroblock_s;
+struct data_packet_s;
+struct es_descriptor_s;
+struct pgrm_descriptor_s;
+
/*****************************************************************************
* Macros and inline functions
*****************************************************************************/
+#ifdef NTOHL_IN_SYS_PARAM_H
+# include <sys/param.h>
+#elif defined(WIN32)
+# include <winsock.h>
+#else
+# include <netinet/in.h>
+#endif
/* CEIL: division with round to nearest greater integer */
#define CEIL(n, d) ( ((n) / (d)) + ( ((n) % (d)) ? 1 : 0) )
#define PAD(n, d) ( ((n) % (d)) ? ((((n) / (d)) + 1) * (d)) : (n) )
/* MAX and MIN: self explanatory */
-//#ifndef SYS_BEOS
#ifndef MAX
-#define MAX(a, b) ( ((a) > (b)) ? (a) : (b) )
+# define MAX(a, b) ( ((a) > (b)) ? (a) : (b) )
#endif
#ifndef MIN
-#define MIN(a, b) ( ((a) < (b)) ? (a) : (b) )
+# define MIN(a, b) ( ((a) < (b)) ? (a) : (b) )
#endif
-//#endif
-/* MSB (big endian)/LSB (little endian) convertions - network order is always
+/* MSB (big endian)/LSB (little endian) conversions - network order is always
* MSB, and should be used for both network communications and files. Note that
* byte orders other than little and big endians are not supported, but only
* the VAX seems to have such exotic properties - note that these 'functions'
* needs <netinet/in.h> or the local equivalent. */
-/* FIXME??: hton64 should be declared as an extern inline function to avoid border
- * effects (see byteorder.h) */
-#if __BYTE_ORDER == __LITTLE_ENDIAN
-#define hton16 htons
-#define hton32 htonl
-#define hton64(i) ( ((u64)(htonl((i) & 0xffffffff)) << 32) | htonl(((i) >> 32) & 0xffffffff ) )
-#define ntoh16 ntohs
-#define ntoh32 ntohl
-#define ntoh64 hton64
-#elif __BYTE_ORDER == __BIG_ENDIAN
-#define hton16 htons
-#define hton32 htonl
-#define hton64(i) ( i )
-#define ntoh16 ntohs
-#define ntoh32 ntohl
-#define ntoh64(i) ( i )
+/* FIXME: hton64 should be declared as an extern inline function to avoid
+ * border effects (see byteorder.h) */
+#if WORDS_BIGENDIAN
+# define hton16 htons
+# define hton32 htonl
+# define hton64(i) ( i )
+# define ntoh16 ntohs
+# define ntoh32 ntohl
+# define ntoh64(i) ( i )
#else
-/* XXX??: cause a compilation error */
+# define hton16 htons
+# define hton32 htonl
+# define hton64(i) ( ((u64)(htonl((i) & 0xffffffff)) << 32) | htonl(((i) >> 32) & 0xffffffff ) )
+# define ntoh16 ntohs
+# define ntoh32 ntohl
+# define ntoh64 hton64
#endif
-/* Macros used by input to access the TS buffer */
-#define U32_AT(p) ( ntohl ( *( (u32 *)(p) ) ) )
-#define U16_AT(p) ( ntohs ( *( (u16 *)(p) ) ) )
+/* Macros with automatic casts */
+#define U64_AT(p) ( ntoh64 ( *( (u64 *)(p) ) ) )
+#define U32_AT(p) ( ntoh32 ( *( (u32 *)(p) ) ) )
+#define U16_AT(p) ( ntoh16 ( *( (u16 *)(p) ) ) )
+
+/* Alignment of critical static data structures */
+#ifdef ATTRIBUTE_ALIGNED_MAX
+# define ATTR_ALIGN(align) __attribute__ ((__aligned__ ((ATTRIBUTE_ALIGNED_MAX < align) ? ATTRIBUTE_ALIGNED_MAX : align)))
+#else
+# define ATTR_ALIGN(align)
+#endif
+
+/* Alignment of critical dynamic data structure */
+#ifdef HAVE_MEMALIGN
+ /* Some systems have memalign() but no declaration for it */
+ void * memalign( size_t align, size_t size );
+#else
+# ifdef HAVE_VALLOC
+ /* That's like using a hammer to kill a fly, but eh... */
+# include <unistd.h>
+# define memalign(align,size) valloc(size)
+# else
+ /* Assume malloc alignment is sufficient */
+# define memalign(align,size) malloc(size)
+# endif
+
+
+#endif
+
+/* win32, cl and icl support */
+#if defined( _MSC_VER )
+# define __attribute__(x)
+# define __inline__ __inline
+# define strncasecmp strnicmp
+# define strcasecmp stricmp
+# define S_ISBLK(m) (0)
+# define S_ISCHR(m) (0)
+# define S_ISFIFO(m) (((m)&_S_IFMT) == _S_IFIFO)
+# define S_ISREG(m) (((m)&_S_IFMT) == _S_IFREG)
+# define I64C(x) x##i64
+#else
+# define I64C(x) x##LL
+#endif
+
+#if defined( WIN32 )
+# if defined( __MINGW32__ )
+# if !defined( _OFF_T_ )
+typedef long long _off_t;
+typedef _off_t off_t;
+# define _OFF_T_
+# else
+# define off_t long long
+# endif
+# elif defined( _MSC_VER )
+# if !defined( _OFF_T_DEFINED )
+typedef __int64 off_t;
+# define _OFF_T_DEFINED
+# else
+# define off_t __int64
+# endif
+# endif
+# define stat _stati64
+# ifndef snprintf
+# define snprintf _snprintf /* snprintf not defined in mingw32 (bug?) */
+# endif
+#endif
projects / vlc / blobdiff