-/*******************************************************************************
+/*****************************************************************************
* common.h: common definitions
- * (c)1998 VideoLAN
- *******************************************************************************
- * Collection of usefull common types and macros definitions
- *******************************************************************************
+ * Collection of useful common types and macros definitions
+ *****************************************************************************
+ * Copyright (C) 1998, 1999, 2000 VideoLAN
+ * $Id: common.h,v 1.44 2001/10/31 11:55:53 reno Exp $
+ *
+ * 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.
+ *
+ * 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.
+ *****************************************************************************/
+
+/*****************************************************************************
* required headers:
* config.h
- *******************************************************************************/
+ *****************************************************************************/
-/*******************************************************************************
+/*****************************************************************************
* Basic types definitions
- *******************************************************************************/
-
-/* Basic types definitions */
-typedef signed char s8;
-typedef signed short s16;
-typedef signed int s32;
-typedef signed long long s64;
-typedef unsigned char u8;
-typedef unsigned short u16;
-typedef unsigned int u32;
-typedef unsigned long long u64;
+ *****************************************************************************/
+
+#include "int_types.h"
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_
+#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;
/* 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 */
struct aout_thread_s;
+struct aout_sys_s;
typedef struct aout_thread_s * p_aout_thread_t;
+typedef struct aout_sys_s * p_aout_sys_t;
/* Video */
struct vout_thread_s;
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 */
-#define MAX(a, b) ( ((a) > (b)) ? (a) : (b) )
-#define MIN(a, b) ( ((a) < (b)) ? (a) : (b) )
+#ifndef MAX
+# define MAX(a, b) ( ((a) > (b)) ? (a) : (b) )
+#endif
+#ifndef MIN
+# define MIN(a, b) ( ((a) < (b)) ? (a) : (b) )
+#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. */
-/* ?? 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
+# 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 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
-/* ?? cause a compilation error */
+# define ATTR_ALIGN(align)
#endif
-/* Macros used by input to access the TS buffer */
-#define U32_AT(p) ( ntohl ( *( (u32 *)(p) ) ) )
-#define U16_AT(p) ( ntohs ( *( (u16 *)(p) ) ) )
+/* 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
+#else
+# define I64C(x) x##LL
+#endif
+
+#if defined( WIN32 )
+# ifndef _OFF_T_DEFINED
+typedef __int64 off_t;
+# define _OFF_T_DEFINED
+# endif
+# ifndef snprintf
+# define snprintf _snprintf /* snprintf not defined in mingw32 (bug?) */
+# endif
+#endif