/*****************************************************************************
- * common.h: common definitions
+ * vlc_common.h: common definitions
* Collection of useful common types and macros definitions
*****************************************************************************
- * Copyright (C) 1998-2011 the VideoLAN team
+ * Copyright (C) 1998-2011 VLC authors and VideoLAN
*
* Authors: Samuel Hocevar <sam@via.ecp.fr>
* Vincent Seguin <seguin@via.ecp.fr>
* Gildas Bazin <gbazin@videolan.org>
* Rémi Denis-Courmont
*
- * 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
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation; either version 2.1 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 Lesser 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., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
*****************************************************************************/
/**
/*****************************************************************************
* Required vlc headers
*****************************************************************************/
-#if defined( _MSC_VER )
-# pragma warning( disable : 4244 )
-#endif
-
#include "vlc_config.h"
/*****************************************************************************
#define PRIo64 "llo"
#undef PRIx64
#define PRIx64 "llx"
- #define snprintf __mingw_snprintf
- #define vsnprintf __mingw_vsnprintf
+ #define snprintf __mingw_snprintf
+ #define vsnprintf __mingw_vsnprintf
#endif
/* Function attributes for compiler warnings */
/*****************************************************************************
* Basic types definitions
*****************************************************************************/
-#if defined( WIN32 ) || defined( UNDER_CE )
+#if defined( WIN32 )
# include <malloc.h>
# ifndef PATH_MAX
# define PATH_MAX MAX_PATH
#include <sys/syslimits.h>
#endif
-/* Counter for statistics and profiling */
-typedef unsigned long count_t;
-
-/* Audio volume */
-typedef uint16_t audio_volume_t;
-
/**
* High precision date or time interval
*
typedef struct aout_sys_t aout_sys_t;
typedef struct aout_fifo_t aout_fifo_t;
typedef struct aout_input_t aout_input_t;
-typedef struct block_t aout_buffer_t;
typedef audio_format_t audio_sample_format_t;
/* Video */
/* Network */
typedef struct virtual_socket_t v_socket_t;
-typedef struct vlc_acl_t vlc_acl_t;
typedef struct vlc_url_t vlc_url_t;
/* Misc */
typedef struct block_t block_t;
typedef struct block_fifo_t block_fifo_t;
-/* httpd */
-typedef struct httpd_t httpd_t;
-typedef struct httpd_host_t httpd_host_t;
-typedef struct httpd_url_t httpd_url_t;
-typedef struct httpd_client_t httpd_client_t;
-typedef struct httpd_callback_sys_t httpd_callback_sys_t;
-typedef struct httpd_message_t httpd_message_t;
-typedef int (*httpd_callback_t)( httpd_callback_sys_t *, httpd_client_t *, httpd_message_t *answer, const httpd_message_t *query );
-typedef struct httpd_file_t httpd_file_t;
-typedef struct httpd_file_sys_t httpd_file_sys_t;
-typedef int (*httpd_file_callback_t)( httpd_file_sys_t *, httpd_file_t *, uint8_t *psz_request, uint8_t **pp_data, int *pi_data );
-typedef struct httpd_handler_t httpd_handler_t;
-typedef struct httpd_handler_sys_t httpd_handler_sys_t;
-typedef int (*httpd_handler_callback_t)( httpd_handler_sys_t *, httpd_handler_t *, char *psz_url, uint8_t *psz_request, int i_type, uint8_t *p_in, int i_in, char *psz_remote_addr, char *psz_remote_host, uint8_t **pp_data, int *pi_data );
-typedef struct httpd_redirect_t httpd_redirect_t;
-typedef struct httpd_stream_t httpd_stream_t;
-
/* Hashing */
typedef struct md5_s md5_t;
/* misc */
typedef struct vlc_meta_t vlc_meta_t;
-
-/* Stats */
-typedef struct counter_t counter_t;
-typedef struct counter_sample_t counter_sample_t;
-typedef struct stats_handler_t stats_handler_t;
typedef struct input_stats_t input_stats_t;
/* Update */
/* Meta engine */
typedef struct meta_engine_t meta_engine_t;
-/* stat/lstat/fstat */
-#ifdef WIN32
-#include <sys/stat.h>
-
-# ifndef UNDER_CE
-struct _stati64;
-#define stat _stati64
-#define fstat _fstati64
-#endif
-
-/* You should otherwise use vlc_stat and vlc_lstat. */
-#else
-struct stat;
-#endif
-
/**
* VLC value structure
*/
/*****************************************************************************
* OS-specific headers and thread types
*****************************************************************************/
-#if defined( WIN32 ) || defined( UNDER_CE )
-# define WIN32_LEAN_AND_MEAN
-# include <windows.h>
+#if defined( WIN32 )
+# include <windows.h>
+#endif
+
+#ifdef __OS2__
+# define OS2EMX_PLAIN_CHAR
+# define INCL_BASE
+# define INCL_PM
+# include <os2.h>
#endif
#include "vlc_mtime.h"
#include "vlc_threads.h"
-/**
- * Memory storage space for an atom. Never access it directly.
- */
-typedef union
-{
- volatile uintptr_t u;
- volatile intptr_t s;
-} vlc_atomic_t;
-
/*****************************************************************************
* Common structure members
*****************************************************************************/
# define VLC_OBJECT( x ) ((vlc_object_t *)(x))
#endif
-typedef struct gc_object_t
-{
- vlc_atomic_t refs;
- void (*pf_destructor) (struct gc_object_t *);
-} gc_object_t;
-
-/**
- * These members are common to all objects that wish to be garbage-collected.
- */
-#define VLC_GC_MEMBERS gc_object_t vlc_gc_data;
-
-VLC_API void * vlc_gc_init(gc_object_t *, void (*)(gc_object_t *));
-VLC_API void * vlc_hold(gc_object_t *);
-VLC_API void vlc_release(gc_object_t *);
-
-#define vlc_gc_init( a,b ) vlc_gc_init( &(a)->vlc_gc_data, (b) )
-#define vlc_gc_incref( a ) vlc_hold( &(a)->vlc_gc_data )
-#define vlc_gc_decref( a ) vlc_release( &(a)->vlc_gc_data )
-#define vlc_priv( gc, t ) ((t *)(((char *)(gc)) - offsetof(t, vlc_gc_data)))
-
/*****************************************************************************
* Macros and inline functions
*****************************************************************************/
# define __MIN(a, b) ( ((a) < (b)) ? (a) : (b) )
#endif
+/* clip v in [min, max] */
+#define VLC_CLIP(v, min, max) __MIN(__MAX((v), (min)), (max))
+
VLC_USED
static inline int64_t GCD ( int64_t a, int64_t b )
{
#endif
}
+VLC_USED
+static inline unsigned parity (unsigned x)
+{
+#if VLC_GCC_VERSION(3,4)
+ return __builtin_parity (x);
+#else
+ for (unsigned i = 4 * sizeof (x); i > 0; i /= 2)
+ x ^= x >> i;
+ return x & 1;
+#endif
+}
+
+#ifdef __OS2__
+# undef bswap16
+# undef bswap32
+# undef bswap64
+#endif
+
/** Byte swap (16 bits) */
VLC_USED
static inline uint16_t bswap16 (uint16_t x)
/* Stuff defined in src/extras/libc.c */
-#if defined(WIN32) || defined(UNDER_CE)
-/* win32, cl and icl support */
-# if defined( _MSC_VER ) || !defined( __MINGW32__ )
-# define __attribute__(x)
-# define S_IFBLK 0x3000 /* Block */
-# 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)
-# endif
+#if defined(WIN32)
/* several type definitions */
# if defined( __MINGW32__ )
# endif
# endif
-# if defined( _MSC_VER ) && !defined( __WXMSW__ )
-# if !defined( _OFF_T_DEFINED )
- typedef __int64 off_t;
-# define _OFF_T_DEFINED
-# else
- /* for wx compatibility typedef long off_t; */
-# define off_t __int64
-# endif
-# endif
-
-# if defined( __BORLANDC__ )
-# undef off_t
-# define off_t unsigned __int64
-# endif
-
# ifndef O_NONBLOCK
# define O_NONBLOCK 0
# endif
-# ifndef alloca
-# define alloca _alloca
-# endif
-
# include <tchar.h>
#endif
VLC_API bool vlc_ureduce( unsigned *, unsigned *, uint64_t, uint64_t, uint64_t );
-VLC_API void * vlc_memalign( void **base, size_t alignment, size_t size ) VLC_USED;
+/* Aligned memory allocator */
+#ifdef __APPLE__
+#include <AvailabilityMacros.h>
+#endif
-VLC_API void vlc_tdestroy( void *, void (*)(void *) );
+#ifdef WIN32
+# include <malloc.h>
+# define vlc_memalign(align, size) (__mingw_aligned_malloc(size, align))
+# define vlc_free(base) (__mingw_aligned_free(base))
+#elif defined(__APPLE__) && !defined(MAC_OS_X_VERSION_10_6)
+static inline void *vlc_memalign(size_t align, size_t size)
+{
+ long diff;
+ void *ptr;
+
+ ptr = malloc(size+align);
+ if(!ptr)
+ return ptr;
+ diff = ((-(long)ptr - 1)&(align-1)) + 1;
+ ptr = (char*)ptr + diff;
+ ((char*)ptr)[-1]= diff;
+ return ptr;
+}
+
+static void vlc_free(void *ptr)
+{
+ if (ptr)
+ free((char*)ptr - ((char*)ptr)[-1]);
+}
+#else
+static inline void *vlc_memalign(size_t align, size_t size)
+{
+ void *base;
+ if (unlikely(posix_memalign(&base, align, size)))
+ base = NULL;
+ return base;
+}
+# define vlc_free(base) free(base)
+#endif
-/* Fast large memory copy and memory set */
-VLC_API void * vlc_memcpy( void *, const void *, size_t );
-#define vlc_memset memset
+VLC_API void vlc_tdestroy( void *, void (*)(void *) );
/*****************************************************************************
* I18n stuff
*****************************************************************************/
-VLC_API char * vlc_gettext( const char *msgid ) VLC_FORMAT_ARG(1);
+VLC_API char *vlc_gettext( const char *msgid ) VLC_FORMAT_ARG(1);
+VLC_API char *vlc_ngettext( const char *s, const char *p, unsigned long n ) VLC_FORMAT_ARG(1) VLC_FORMAT_ARG(2);
#define vlc_pgettext( ctx, id ) \
vlc_pgettext_aux( ctx "\004" id, id )
return ptr;
}
+static inline char *xstrdup (const char *str)
+{
+ char *ptr = strdup (str);
+ if (unlikely(ptr == NULL))
+ abort ();
+ return ptr;
+}
+
/*****************************************************************************
* libvlc features
*****************************************************************************/
#include "vlc_main.h"
#include "vlc_configuration.h"
-#if defined( WIN32 ) || defined( UNDER_CE ) || defined( __SYMBIAN32__ ) || defined( __OS2__ )
+#if defined( WIN32 ) || defined( __SYMBIAN32__ ) || defined( __OS2__ )
# define DIR_SEP_CHAR '\\'
# define DIR_SEP "\\"
# define PATH_SEP_CHAR ';'
projects / vlc / blobdiff