git.sesse.net Git - vlc/blob - include/vlc_common.h

   1 /*****************************************************************************
   2  * common.h: common definitions
   3  * Collection of useful common types and macros definitions
   4  *****************************************************************************
   5  * Copyright (C) 1998, 1999, 2000 VideoLAN
   6  * $Id: vlc_common.h,v 1.82 2003/10/24 21:27:06 gbazin Exp $
   7  *
   8  * Authors: Samuel Hocevar <sam@via.ecp.fr>
   9  *          Vincent Seguin <seguin@via.ecp.fr>
  10  *          Gildas Bazin <gbazin@netcourrier.com>
  11  *
  12  * This program is free software; you can redistribute it and/or modify
  13  * it under the terms of the GNU General Public License as published by
  14  * the Free Software Foundation; either version 2 of the License, or
  15  * (at your option) any later version.
  16  *
  17  * This program is distributed in the hope that it will be useful,
  18  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  19  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  20  * GNU General Public License for more details.
  21  *
  22  * You should have received a copy of the GNU General Public License
  23  * along with this program; if not, write to the Free Software
  24  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111, USA.
  25  *****************************************************************************/
  26
  27 /**
  28  * \file
  29  * This file is a collection of common definitions and types
  30  */
  31
  32 /*****************************************************************************
  33  * Required vlc headers
  34  *****************************************************************************/
  35 #if defined( __BORLANDC__ )
  36 #   undef PACKAGE
  37 #endif
  38
  39 #include "config.h"
  40
  41 #if defined( __BORLANDC__ )
  42 #   undef HAVE_VARIADIC_MACROS
  43 #   undef HAVE_STDINT_H
  44 #   undef HAVE_INTTYPES_H
  45 #   undef off_t
  46 #endif
  47
  48 #include "vlc_config.h"
  49 #include "modules_inner.h"
  50
  51 /*****************************************************************************
  52  * Required system headers
  53  *****************************************************************************/
  54 #include <stdarg.h>
  55
  56 #ifdef HAVE_STRING_H
  57 #   include <string.h>                                         /* strerror() */
  58 #endif
  59
  60 #ifdef HAVE_SYS_TYPES_H
  61 #   include <sys/types.h>
  62 #endif
  63
  64 /*****************************************************************************
  65  * Basic types definitions
  66  *****************************************************************************/
  67 #if defined( HAVE_STDINT_H )
  68 #   include <stdint.h>
  69 #elif defined( HAVE_INTTYPES_H )
  70 #   include <inttypes.h>
  71 #elif defined( SYS_CYGWIN )
  72 #   include <sys/types.h>
  73     /* Cygwin only defines half of these... */
  74     typedef u_int8_t            uint8_t;
  75     typedef u_int16_t           uint16_t;
  76     typedef u_int32_t           uint32_t;
  77     typedef u_int64_t           uint64_t;
  78 #else
  79     /* Fallback types (very x86-centric, sorry) */
  80     typedef unsigned char       uint8_t;
  81     typedef signed char         int8_t;
  82     typedef unsigned short      uint16_t;
  83     typedef signed short        int16_t;
  84     typedef unsigned int        uint32_t;
  85     typedef signed int          int32_t;
  86 #   if defined( _MSC_VER ) \
  87       || defined( UNDER_CE ) \
  88       || ( defined( WIN32 ) && !defined( __MINGW32__ ) )
  89     typedef unsigned __int64    uint64_t;
  90     typedef signed __int64      int64_t;
  91 #   else
  92     typedef unsigned long long  uint64_t;
  93     typedef signed long long    int64_t;
  94 #   endif
  95 #endif
  96
  97 typedef uint8_t                 byte_t;
  98
  99 /* ptrdiff_t definition */
 100 #ifdef HAVE_STDDEF_H
 101 #   include <stddef.h>
 102 #else
 103 #   include <malloc.h>
 104 #   ifndef _PTRDIFF_T
 105 #       define _PTRDIFF_T
 106 /* Not portable in a 64-bit environment. */
 107 typedef int                 ptrdiff_t;
 108 #   endif
 109 #endif
 110
 111 #if defined( WIN32 )
 112 #   include <malloc.h>
 113 #define PATH_MAX MAX_PATH
 114 #endif
 115
 116 #if (defined( WIN32 ) || defined( UNDER_CE )) && !defined( _SSIZE_T_ )
 117 typedef int                 ssize_t;
 118 #endif
 119
 120 /* Counter for statistics and profiling */
 121 typedef unsigned long       count_t;
 122
 123 /* DCT elements types */
 124 typedef int16_t             dctelem_t;
 125
 126 /* Video buffer types */
 127 typedef uint8_t             yuv_data_t;
 128
 129 /* Audio volume */
 130 typedef uint16_t            audio_volume_t;
 131
 132 #ifndef HAVE_SOCKLEN_T
 133 typedef int                 socklen_t;
 134 #endif
 135
 136 /*****************************************************************************
 137  * Old types definitions
 138  *****************************************************************************
 139  * We still provide these types because most of the VLC code uses them
 140  * instead of the C9x types. They should be removed when the transition is
 141  * complete (probably in 10 years).
 142  *****************************************************************************/
 143 typedef uint8_t    u8;
 144 typedef int8_t     s8;
 145 typedef uint16_t   u16;
 146 typedef int16_t    s16;
 147 typedef uint32_t   u32;
 148 typedef int32_t    s32;
 149 typedef uint64_t   u64;
 150 typedef int64_t    s64;
 151
 152 /*****************************************************************************
 153  * mtime_t: high precision date or time interval
 154  *****************************************************************************
 155  * Store a high precision date or time interval. The maximum precision is the
 156  * microsecond, and a 64 bits integer is used to avoid overflows (maximum
 157  * time interval is then 292271 years, which should be long enough for any
 158  * video). Dates are stored as microseconds since a common date (usually the
 159  * epoch). Note that date and time intervals can be manipulated using regular
 160  * arithmetic operators, and that no special functions are required.
 161  *****************************************************************************/
 162 typedef int64_t mtime_t;
 163
 164 /*****************************************************************************
 165  * The vlc_fourcc_t type.
 166  *****************************************************************************
 167  * See http://www.webartz.com/fourcc/ for a very detailed list.
 168  *****************************************************************************/
 169 typedef uint32_t vlc_fourcc_t;
 170
 171 #ifdef WORDS_BIGENDIAN
 172 #   define VLC_FOURCC( a, b, c, d ) \
 173         ( ((uint32_t)d) | ( ((uint32_t)c) << 8 ) \
 174            | ( ((uint32_t)b) << 16 ) | ( ((uint32_t)a) << 24 ) )
 175 #   define VLC_TWOCC( a, b ) \
 176         ( (uint16_t)(b) | ( (uint16_t)(a) << 8 ) )
 177
 178 #else
 179 #   define VLC_FOURCC( a, b, c, d ) \
 180         ( ((uint32_t)a) | ( ((uint32_t)b) << 8 ) \
 181            | ( ((uint32_t)c) << 16 ) | ( ((uint32_t)d) << 24 ) )
 182 #   define VLC_TWOCC( a, b ) \
 183         ( (uint16_t)(a) | ( (uint16_t)(b) << 8 ) )
 184
 185 #endif
 186
 187 /*****************************************************************************
 188  * Classes declaration
 189  *****************************************************************************/
 190
 191 /* Internal types */
 192 typedef struct libvlc_t libvlc_t;
 193 typedef struct vlc_t vlc_t;
 194 typedef struct variable_t variable_t;
 195
 196 /* Messages */
 197 typedef struct msg_bank_t msg_bank_t;
 198 typedef struct msg_subscription_t msg_subscription_t;
 199
 200 /* Playlist */
 201 typedef struct playlist_t playlist_t;
 202 typedef struct playlist_item_t playlist_item_t;
 203
 204 /* Modules */
 205 typedef struct module_bank_t module_bank_t;
 206 typedef struct module_t module_t;
 207 typedef struct module_config_t module_config_t;
 208 typedef struct module_symbols_t module_symbols_t;
 209
 210 /* Interface */
 211 typedef struct intf_thread_t intf_thread_t;
 212 typedef struct intf_sys_t intf_sys_t;
 213 typedef struct intf_console_t intf_console_t;
 214 typedef struct intf_msg_t intf_msg_t;
 215 typedef struct intf_channel_t intf_channel_t;
 216
 217 /* Input */
 218 typedef struct input_thread_t input_thread_t;
 219 typedef struct input_thread_sys_t input_thread_sys_t;
 220 typedef struct input_channel_t input_channel_t;
 221 typedef struct input_area_t input_area_t;
 222 typedef struct input_buffers_t input_buffers_t;
 223 typedef struct input_socket_t input_socket_t;
 224 typedef struct input_info_t input_info_t;
 225 typedef struct input_info_category_t input_info_category_t;
 226 typedef struct access_sys_t access_sys_t;
 227 typedef struct demux_sys_t demux_sys_t;
 228 typedef struct es_descriptor_t es_descriptor_t;
 229 typedef struct es_sys_t es_sys_t;
 230 typedef struct pgrm_descriptor_t pgrm_descriptor_t;
 231 typedef struct pgrm_sys_t pgrm_sys_t;
 232 typedef struct stream_descriptor_t stream_descriptor_t;
 233 typedef struct stream_sys_t stream_sys_t;
 234
 235 /* NInput */
 236 typedef struct stream_t stream_t;
 237 typedef struct es_out_t     es_out_t;
 238 typedef struct es_out_id_t  es_out_id_t;
 239 typedef struct es_out_sys_t es_out_sys_t;
 240
 241
 242 /* Audio */
 243 typedef struct aout_instance_t aout_instance_t;
 244 typedef struct aout_sys_t aout_sys_t;
 245 typedef struct aout_fifo_t aout_fifo_t;
 246 typedef struct aout_input_t aout_input_t;
 247 typedef struct aout_buffer_t aout_buffer_t;
 248 typedef struct audio_sample_format_t audio_sample_format_t;
 249 typedef struct audio_date_t audio_date_t;
 250
 251 /* Video */
 252 typedef struct vout_thread_t vout_thread_t;
 253 typedef struct vout_sys_t vout_sys_t;
 254 typedef struct chroma_sys_t chroma_sys_t;
 255 typedef struct video_frame_format_t video_frame_format_t;
 256 typedef struct picture_t picture_t;
 257 typedef struct picture_sys_t picture_sys_t;
 258 typedef struct picture_heap_t picture_heap_t;
 259 typedef struct subpicture_t subpicture_t;
 260 typedef struct subpicture_sys_t subpicture_sys_t;
 261 typedef struct vout_synchro_t vout_synchro_t;
 262 typedef struct text_renderer_sys_t text_renderer_sys_t;
 263 typedef struct text_style_t text_style_t;
 264
 265 /* Stream output */
 266 typedef struct sout_instance_t sout_instance_t;
 267 typedef struct sout_fifo_t sout_fifo_t;
 268 typedef struct sout_input_t sout_input_t;
 269 typedef struct sout_packetizer_input_t sout_packetizer_input_t;
 270 typedef struct sout_buffer_t sout_buffer_t;
 271 typedef struct sout_access_out_t sout_access_out_t;
 272 typedef struct sout_mux_t sout_mux_t;
 273 typedef struct sout_stream_t    sout_stream_t;
 274 typedef struct sout_cfg_t       sout_cfg_t;
 275 typedef struct sout_format_t    sout_format_t;
 276 /*typedef struct sap_session_t    sap_session_t;
 277 typedef struct slp_session_t    slp_session_t;*/
 278
 279 /* Decoders */
 280 typedef struct decoder_fifo_t decoder_fifo_t;
 281 typedef struct decoder_t      decoder_t;
 282 typedef struct decoder_sys_t  decoder_sys_t;
 283
 284 /* Encoders */
 285 typedef struct encoder_t      encoder_t;
 286 typedef struct encoder_sys_t  encoder_sys_t;
 287
 288 /* Misc */
 289 typedef struct data_packet_t data_packet_t;
 290 typedef struct data_buffer_t data_buffer_t;
 291 typedef struct stream_position_t stream_position_t;
 292 typedef struct stream_ctrl_t stream_ctrl_t;
 293 typedef struct pes_packet_t pes_packet_t;
 294 typedef struct bit_stream_t bit_stream_t;
 295 typedef struct network_socket_t network_socket_t;
 296 typedef struct iso639_lang_t iso639_lang_t;
 297
 298 /* block */
 299 typedef struct block_t      block_t;
 300 typedef struct block_fifo_t block_fifo_t;
 301
 302 /*****************************************************************************
 303  * Variable callbacks
 304  *****************************************************************************/
 305 typedef int ( * vlc_callback_t ) ( vlc_object_t *,      /* variable's object */
 306                                    char const *,            /* variable name */
 307                                    vlc_value_t,                 /* old value */
 308                                    vlc_value_t,                 /* new value */
 309                                    void * );                /* callback data */
 310
 311 /*****************************************************************************
 312  * Plug-in stuff
 313  *****************************************************************************/
 314 #ifndef __PLUGIN__
 315 #   define VLC_EXPORT( type, name, args ) type name args
 316 #else
 317 #   define VLC_EXPORT( type, name, args ) struct _u_n_u_s_e_d_
 318     extern module_symbols_t* p_symbols;
 319 #endif
 320
 321 /*****************************************************************************
 322  * OS-specific headers and thread types
 323  *****************************************************************************/
 324 #if defined( WIN32 ) || defined( UNDER_CE )
 325 #   define WIN32_LEAN_AND_MEAN
 326 #   include <windows.h>
 327 #   define IS_WINNT ( GetVersion() < 0x80000000 )
 328 #endif
 329
 330 #include "vlc_threads.h"
 331
 332 /*****************************************************************************
 333  * Common structure members
 334  *****************************************************************************/
 335
 336 /* VLC_COMMON_MEMBERS : members common to all basic vlc objects */
 337 #define VLC_COMMON_MEMBERS                                                  \
 338 /** \name VLC_COMMON_MEMBERS                                                \
 339  * these members are common for all vlc objects                             \
 340  */                                                                         \
 341 /**@{*/                                                                     \
 342     int   i_object_id;                                                      \
 343     int   i_object_type;                                                    \
 344     char *psz_object_type;                                                  \
 345     char *psz_object_name;                                                  \
 346                                                                             \
 347     /* Thread properties, if any */                                         \
 348     vlc_bool_t   b_thread;                                                  \
 349     vlc_thread_t thread_id;                                                 \
 350                                                                             \
 351     /* Object access lock */                                                \
 352     vlc_mutex_t  object_lock;                                               \
 353     vlc_cond_t   object_wait;                                               \
 354                                                                             \
 355     /* Object properties */                                                 \
 356     volatile vlc_bool_t b_error;                  /**< set by the object */ \
 357     volatile vlc_bool_t b_die;                   /**< set by the outside */ \
 358     volatile vlc_bool_t b_dead;                   /**< set by the object */ \
 359     volatile vlc_bool_t b_attached;               /**< set by the object */ \
 360                                                                             \
 361     /* Object variables */                                                  \
 362     vlc_mutex_t     var_lock;                                               \
 363     int             i_vars;                                                 \
 364     variable_t *    p_vars;                                                 \
 365                                                                             \
 366     /* Stuff related to the libvlc structure */                             \
 367     libvlc_t *      p_libvlc;                      /**< root of all evil */ \
 368     vlc_t *         p_vlc;                   /**< (root of all evil) - 1 */ \
 369                                                                             \
 370     volatile int    i_refcount;                         /**< usage count */ \
 371     vlc_object_t *  p_parent;                            /**< our parent */ \
 372     vlc_object_t ** pp_children;                       /**< our children */ \
 373     volatile int    i_children;                                             \
 374                                                                             \
 375     /* Private data */                                                      \
 376     void *          p_private;                                              \
 377                                                                             \
 378     /** Just a reminder so that people don't cast garbage */                \
 379     int be_sure_to_add_VLC_COMMON_MEMBERS_to_struct;                        \
 380 /**@}*/                                                                     \
 381
 382 /* VLC_OBJECT: attempt at doing a clever cast */
 383 #define VLC_OBJECT( x ) \
 384     ((vlc_object_t *)(x))+0*(x)->be_sure_to_add_VLC_COMMON_MEMBERS_to_struct
 385
 386 /*****************************************************************************
 387  * Macros and inline functions
 388  *****************************************************************************/
 389 #ifdef NTOHL_IN_SYS_PARAM_H
 390 #   include <sys/param.h>
 391
 392 #elif !defined(WIN32) && !defined( UNDER_CE )
 393 #   include <netinet/in.h>
 394
 395 #endif /* NTOHL_IN_SYS_PARAM_H || WIN32 */
 396
 397 /* CEIL: division with round to nearest greater integer */
 398 #define CEIL(n, d)  ( ((n) / (d)) + ( ((n) % (d)) ? 1 : 0) )
 399
 400 /* PAD: PAD(n, d) = CEIL(n ,d) * d */
 401 #define PAD(n, d)   ( ((n) % (d)) ? ((((n) / (d)) + 1) * (d)) : (n) )
 402
 403 /* __MAX and __MIN: self explanatory */
 404 #ifndef __MAX
 405 #   define __MAX(a, b)   ( ((a) > (b)) ? (a) : (b) )
 406 #endif
 407 #ifndef __MIN
 408 #   define __MIN(a, b)   ( ((a) < (b)) ? (a) : (b) )
 409 #endif
 410
 411 /* Dynamic array handling: realloc array, move data, increment position */
 412 #define INSERT_ELEM( p_ar, i_oldsize, i_pos, elem )                           \
 413     do                                                                        \
 414     {                                                                         \
 415         if( i_oldsize )                                                       \
 416         {                                                                     \
 417             (p_ar) = realloc( p_ar, ((i_oldsize) + 1) * sizeof( *(p_ar) ) );  \
 418         }                                                                     \
 419         else                                                                  \
 420         {                                                                     \
 421             (p_ar) = malloc( ((i_oldsize) + 1) * sizeof( *(p_ar) ) );         \
 422         }                                                                     \
 423         if( (i_oldsize) - (i_pos) )                                           \
 424         {                                                                     \
 425             memmove( (p_ar) + (i_pos) + 1,                                    \
 426                      (p_ar) + (i_pos),                                        \
 427                      ((i_oldsize) - (i_pos)) * sizeof( *(p_ar) ) );           \
 428         }                                                                     \
 429         (p_ar)[i_pos] = elem;                                                 \
 430         (i_oldsize)++;                                                        \
 431     }                                                                         \
 432     while( 0 )
 433
 434 #define REMOVE_ELEM( p_ar, i_oldsize, i_pos )                                 \
 435     do                                                                        \
 436     {                                                                         \
 437         if( (i_oldsize) - (i_pos) - 1 )                                       \
 438         {                                                                     \
 439             memmove( (p_ar) + (i_pos),                                        \
 440                      (p_ar) + (i_pos) + 1,                                    \
 441                      ((i_oldsize) - (i_pos) - 1) * sizeof( *(p_ar) ) );       \
 442         }                                                                     \
 443         if( i_oldsize > 1 )                                                   \
 444         {                                                                     \
 445             (p_ar) = realloc( p_ar, ((i_oldsize) - 1) * sizeof( *(p_ar) ) );  \
 446         }                                                                     \
 447         else                                                                  \
 448         {                                                                     \
 449             free( p_ar );                                                     \
 450             (p_ar) = NULL;                                                    \
 451         }                                                                     \
 452         (i_oldsize)--;                                                        \
 453     }                                                                         \
 454     while( 0 )
 455
 456
 457 #define TAB_APPEND( count, tab, p )             \
 458     if( (count) > 0 )                           \
 459     {                                           \
 460         (tab) = realloc( (tab), sizeof( void ** ) * ( (count) + 1 ) ); \
 461     }                                           \
 462     else                                        \
 463     {                                           \
 464         (tab) = malloc( sizeof( void ** ) );    \
 465     }                                           \
 466     (void**)(tab)[(count)] = (void*)(p);        \
 467     (count)++
 468
 469 #define TAB_FIND( count, tab, p, index )        \
 470     {                                           \
 471         int _i_;                                \
 472         (index) = -1;                           \
 473         for( _i_ = 0; _i_ < (count); _i_++ )    \
 474         {                                       \
 475             if((void**)(tab)[_i_]==(void*)(p))  \
 476             {                                   \
 477                 (index) = _i_;                  \
 478                 break;                          \
 479             }                                   \
 480         }                                       \
 481     }
 482
 483 #define TAB_REMOVE( count, tab, p )             \
 484     {                                           \
 485         int _i_index_;                          \
 486         TAB_FIND( count, tab, p, _i_index_ );   \
 487         if( _i_index_ >= 0 )                    \
 488         {                                       \
 489             if( (count) > 1 )                     \
 490             {                                   \
 491                 memmove( ((void**)(tab) + _i_index_),    \
 492                          ((void**)(tab) + _i_index_+1),  \
 493                          ( (count) - _i_index_ - 1 ) * sizeof( void* ) );\
 494             }                                   \
 495             else                                \
 496             {                                   \
 497                 free( tab );                    \
 498                 (tab) = NULL;                   \
 499             }                                   \
 500             (count)--;                          \
 501         }                                       \
 502     }
 503
 504 /* MSB (big endian)/LSB (little endian) conversions - network order is always
 505  * MSB, and should be used for both network communications and files. Note that
 506  * byte orders other than little and big endians are not supported, but only
 507  * the VAX seems to have such exotic properties. */
 508 static inline uint16_t U16_AT( void * _p )
 509 {
 510     uint8_t * p = (uint8_t *)_p;
 511     return ( ((uint16_t)p[0] << 8) | p[1] );
 512 }
 513 static inline uint32_t U32_AT( void * _p )
 514 {
 515     uint8_t * p = (uint8_t *)_p;
 516     return ( ((uint32_t)p[0] << 24) | ((uint32_t)p[1] << 16)
 517               | ((uint32_t)p[2] << 8) | p[3] );
 518 }
 519 static inline uint64_t U64_AT( void * _p )
 520 {
 521     uint8_t * p = (uint8_t *)_p;
 522     return ( ((uint64_t)p[0] << 56) | ((uint64_t)p[1] << 48)
 523               | ((uint64_t)p[2] << 40) | ((uint64_t)p[3] << 32)
 524               | ((uint64_t)p[4] << 24) | ((uint64_t)p[5] << 16)
 525               | ((uint64_t)p[6] << 8) | p[7] );
 526 }
 527
 528 static inline uint16_t GetWLE( void * _p )
 529 {
 530     uint8_t * p = (uint8_t *)_p;
 531     return ( ((uint16_t)p[1] << 8) | p[0] );
 532 }
 533 static inline uint32_t GetDWLE( void * _p )
 534 {
 535     uint8_t * p = (uint8_t *)_p;
 536     return ( ((uint32_t)p[3] << 24) | ((uint32_t)p[2] << 16)
 537               | ((uint32_t)p[1] << 8) | p[0] );
 538 }
 539 static inline uint64_t GetQWLE( void * _p )
 540 {
 541     uint8_t * p = (uint8_t *)_p;
 542     return ( ((uint64_t)p[7] << 56) | ((uint64_t)p[6] << 48)
 543               | ((uint64_t)p[5] << 40) | ((uint64_t)p[4] << 32)
 544               | ((uint64_t)p[3] << 24) | ((uint64_t)p[2] << 16)
 545               | ((uint64_t)p[1] << 8) | p[0] );
 546 }
 547
 548 #define GetWBE( p )     U16_AT( p )
 549 #define GetDWBE( p )    U32_AT( p )
 550 #define GetQWBE( p )    U64_AT( p )
 551
 552
 553 #if WORDS_BIGENDIAN
 554 #   define hton16(i)   ( i )
 555 #   define hton32(i)   ( i )
 556 #   define hton64(i)   ( i )
 557 #   define ntoh16(i)   ( i )
 558 #   define ntoh32(i)   ( i )
 559 #   define ntoh64(i)   ( i )
 560 #else
 561 #   define hton16(i)   U16_AT(&i)
 562 #   define hton32(i)   U32_AT(&i)
 563 #   define hton64(i)   U64_AT(&i)
 564 #   define ntoh16(i)   U16_AT(&i)
 565 #   define ntoh32(i)   U32_AT(&i)
 566 #   define ntoh64(i)   U64_AT(&i)
 567 #endif
 568
 569 /* Format string sanity checks */
 570 #ifdef HAVE_ATTRIBUTE_FORMAT
 571 #   define ATTRIBUTE_FORMAT(x,y) __attribute__ ((format(printf,x,y)))
 572 #else
 573 #   define ATTRIBUTE_FORMAT(x,y)
 574 #endif
 575
 576 /* Alignment of critical static data structures */
 577 #ifdef ATTRIBUTE_ALIGNED_MAX
 578 #   define ATTR_ALIGN(align) __attribute__ ((__aligned__ ((ATTRIBUTE_ALIGNED_MAX < align) ? ATTRIBUTE_ALIGNED_MAX : align)))
 579 #else
 580 #   define ATTR_ALIGN(align)
 581 #endif
 582
 583 /* Alignment of critical dynamic data structure
 584  *
 585  * Not all platforms support memalign so we provide a vlc_memalign wrapper
 586  * void *vlc_memalign( size_t align, size_t size, void **pp_orig )
 587  * *pp_orig is the pointer that has to be freed afterwards.
 588  */
 589 #if 0
 590 #ifdef HAVE_POSIX_MEMALIGN
 591 #   define vlc_memalign(align,size,pp_orig) \
 592     ( !posix_memalign( pp_orig, align, size ) ? *(pp_orig) : NULL )
 593 #endif
 594 #endif
 595 #ifdef HAVE_MEMALIGN
 596     /* Some systems have memalign() but no declaration for it */
 597     void * memalign( size_t align, size_t size );
 598
 599 #   define vlc_memalign(pp_orig,align,size) \
 600     ( *(pp_orig) = memalign( align, size ) )
 601
 602 #else /* We don't have any choice but to align manually */
 603 #   define vlc_memalign(pp_orig,align,size) \
 604     (( *(pp_orig) = malloc( size + align - 1 )) \
 605         ? (void *)( (((unsigned long)*(pp_orig)) + (unsigned long)(align-1) ) \
 606                        & (~(unsigned long)(align-1)) ) \
 607         : NULL )
 608
 609 #endif
 610
 611 /* Stuff defined in src/extras/libc.c */
 612 #ifndef HAVE_STRDUP
 613 #   define strdup vlc_strdup
 614     VLC_EXPORT( char *, vlc_strdup, ( const char *s ) );
 615 #elif !defined(__PLUGIN__)
 616 #   define vlc_strdup NULL
 617 #endif
 618
 619 #ifndef HAVE_STRNDUP
 620 #   if defined(STRNDUP_IN_GNOME_H) && \
 621         (defined(MODULE_NAME_IS_gnome)||defined(MODULE_NAME_IS_gnome_main)||\
 622          defined(MODULE_NAME_IS_gnome2)||defined(MODULE_NAME_IS_gnome2_main))
 623         /* Do nothing: gnome.h defines strndup for us */
 624 #   else
 625 #       define strndup vlc_strndup
 626         VLC_EXPORT( char *, vlc_strndup, ( const char *s, size_t n ) );
 627 #   endif
 628 #elif !defined(__PLUGIN__)
 629 #   define vlc_strndup NULL
 630 #endif
 631
 632 #ifndef HAVE_ATOF
 633 #   define atof vlc_atof
 634     VLC_EXPORT( double, vlc_atof, ( const char *nptr ) );
 635 #elif !defined(__PLUGIN__)
 636 #   define vlc_atof NULL
 637 #endif
 638
 639 #ifndef HAVE_ATOLL
 640 #   define atoll vlc_atoll
 641     VLC_EXPORT( int64_t, vlc_atoll, ( const char *nptr ) );
 642 #elif !defined(__PLUGIN__)
 643 #   define vlc_atoll NULL
 644 #endif
 645
 646 #ifndef HAVE_GETENV
 647 #   define getenv vlc_getenv
 648     VLC_EXPORT( char *, vlc_getenv, ( const char *name ) );
 649 #elif !defined(__PLUGIN__)
 650 #   define vlc_getenv NULL
 651 #endif
 652
 653 #ifndef HAVE_STRCASECMP
 654 #   ifdef HAVE_STRICMP
 655 #       define strcasecmp stricmp
 656 #       if !defined(__PLUGIN__)
 657 #           define vlc_strcasecmp NULL
 658 #       endif
 659 #   elif !defined(__PLUGIN__)
 660 #       define strcasecmp vlc_strcasecmp
 661         VLC_EXPORT( int, vlc_strcasecmp, ( const char *s1, const char *s2 ) );
 662 #   endif
 663 #elif !defined(__PLUGIN__)
 664 #   define vlc_strcasecmp NULL
 665 #endif
 666
 667 #ifndef HAVE_STRNCASECMP
 668 #   ifdef HAVE_STRNICMP
 669 #       define strncasecmp strnicmp
 670 #       if !defined(__PLUGIN__)
 671 #           define vlc_strncasecmp NULL
 672 #       endif
 673 #   elif !defined(__PLUGIN__)
 674 #       define strncasecmp vlc_strncasecmp
 675         VLC_EXPORT( int, vlc_strncasecmp, ( const char *s1, const char *s2, size_t n ) );
 676 #   endif
 677 #elif !defined(__PLUGIN__)
 678 #   define vlc_strncasecmp NULL
 679 #endif
 680
 681 /* Format type specifiers for 64 bits numbers */
 682 #if !defined(WIN32) && !defined(UNDER_CE)
 683 #   define I64Fd "%lld"
 684 #   define I64Fi "%lli"
 685 #   define I64Fo "%llo"
 686 #   define I64Fu "%llu"
 687 #   define I64Fx "%llx"
 688 #   define I64FX "%llX"
 689 #else
 690 #   define I64Fd "%I64d"
 691 #   define I64Fi "%I64i"
 692 #   define I64Fo "%I64o"
 693 #   define I64Fu "%I64u"
 694 #   define I64Fx "%I64x"
 695 #   define I64FX "%I64X"
 696 #endif /* defined(WIN32)||defined(UNDER_CE) */
 697
 698 /* 64 bits integer constant suffix */
 699 #if defined( __MINGW32__ ) || (!defined(WIN32) && !defined(UNDER_CE))
 700 #   define I64C(x)         x##LL
 701 #else
 702 #   define I64C(x)         x##i64
 703 #endif /* defined(WIN32)||defined(UNDER_CE) */
 704
 705 #if defined(WIN32) || defined(UNDER_CE)
 706 /* win32, cl and icl support */
 707 #   if defined( _MSC_VER ) || !defined( __MINGW32__ )
 708 #       define __attribute__(x)
 709 #       define __inline__      __inline
 710 #       define S_IFBLK         0x3000  /* Block */
 711 #       define S_ISBLK(m)      (0)
 712 #       define S_ISCHR(m)      (0)
 713 #       define S_ISFIFO(m)     (((m)&_S_IFMT) == _S_IFIFO)
 714 #       define S_ISREG(m)      (((m)&_S_IFMT) == _S_IFREG)
 715 #   endif
 716
 717 /* several type definitions */
 718 #   if defined( __MINGW32__ )
 719 #       if !defined( _OFF_T_ )
 720 typedef long long _off_t;
 721 typedef _off_t off_t;
 722 #           define _OFF_T_
 723 #       else
 724 #           ifdef off_t
 725 #               undef off_t
 726 #           endif
 727 #           define off_t long long
 728 #       endif
 729 #   endif
 730
 731 #   if defined( _MSC_VER )
 732 #       if !defined( _OFF_T_DEFINED )
 733 typedef __int64 off_t;
 734 #           define _OFF_T_DEFINED
 735 #       else
 736 #           define off_t __int64
 737 #       endif
 738 #   endif
 739
 740 #   if defined( __BORLANDC__ )
 741 #       undef off_t
 742 #       define off_t unsigned __int64
 743 #   endif
 744
 745 #   ifndef O_NONBLOCK
 746 #       define O_NONBLOCK 0
 747 #   endif
 748
 749 #   ifndef alloca
 750 #       define alloca _alloca
 751 #   endif
 752
 753     /* These two are not defined in mingw32 (bug?) */
 754 #   ifndef snprintf
 755 #       define snprintf _snprintf
 756 #   endif
 757 #   ifndef vsnprintf
 758 #       define vsnprintf _vsnprintf
 759 #   endif
 760
 761 #endif
 762
 763 /* lseek (defined in src/extras/libc.c) */
 764 #ifndef HAVE_LSEEK
 765 #   define lseek vlc_lseek
 766     VLC_EXPORT( off_t, vlc_lseek, ( int fildes, off_t offset, int whence ) );
 767 #elif !defined(__PLUGIN__)
 768 #   define vlc_lseek NULL
 769 #endif
 770
 771 /* vlc_wraptext (defined in src/extras/libc.c) */
 772 #define wraptext vlc_wraptext
 773 VLC_EXPORT( char *, vlc_wraptext, ( const char *, int, vlc_bool_t ) );
 774
 775 /*****************************************************************************
 776  * CPU capabilities
 777  *****************************************************************************/
 778 #define CPU_CAPABILITY_NONE    0
 779 #define CPU_CAPABILITY_486     (1<<0)
 780 #define CPU_CAPABILITY_586     (1<<1)
 781 #define CPU_CAPABILITY_PPRO    (1<<2)
 782 #define CPU_CAPABILITY_MMX     (1<<3)
 783 #define CPU_CAPABILITY_3DNOW   (1<<4)
 784 #define CPU_CAPABILITY_MMXEXT  (1<<5)
 785 #define CPU_CAPABILITY_SSE     (1<<6)
 786 #define CPU_CAPABILITY_ALTIVEC (1<<16)
 787 #define CPU_CAPABILITY_FPU     (1<<31)
 788
 789 /*****************************************************************************
 790  * I18n stuff
 791  *****************************************************************************/
 792 VLC_EXPORT( char *, vlc_dgettext, ( const char *package, const char *msgid ) );
 793
 794 #if defined( ENABLE_NLS ) && \
 795      (defined(MODULE_NAME_IS_gnome)||defined(MODULE_NAME_IS_gnome_main)||\
 796       defined(MODULE_NAME_IS_gnome2)||defined(MODULE_NAME_IS_gnome2_main))
 797     /* Declare nothing: gnome.h will do it for us */
 798 #elif defined( ENABLE_NLS )
 799 #if defined( HAVE_INCLUDED_GETTEXT )
 800 #   include "libintl.h"
 801 #else
 802 #   include <libintl.h>
 803 #endif
 804 #   undef _
 805 #if defined( __BORLANDC__ )
 806 #define _(String) vlc_dgettext (PACKAGE_TARNAME, String)
 807 #else
 808 #   define _(String) vlc_dgettext (PACKAGE, String)
 809 #endif
 810 #   define N_(String) ((char*)(String))
 811 #else
 812 #   define _(String) ((char*)(String))
 813 #   define N_(String) ((char*)(String))
 814 #endif
 815
 816 /*****************************************************************************
 817  * Additional vlc stuff
 818  *****************************************************************************/
 819 #include "vlc_symbols.h"
 820 #include "os_specific.h"
 821 #include "vlc_messages.h"
 822 #include "variables.h"
 823 #include "vlc_objects.h"
 824 #include "vlc_threads_funcs.h"
 825 #include "mtime.h"
 826 #include "modules.h"
 827 #include "main.h"
 828 #include "configuration.h"
 829
 830 #if defined( __BORLANDC__ )
 831 #   undef PACKAGE
 832 #   define PACKAGE
 833 #endif
 834