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 1.97 2004/01/05 12:59:43 zorglub 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 <stdlib.h>
  55 #include <stdarg.h>
  56
  57 #ifdef HAVE_STRING_H
  58 #   include <string.h>                                         /* strerror() */
  59 #endif
  60
  61 #ifdef HAVE_SYS_TYPES_H
  62 #   include <sys/types.h>
  63 #endif
  64
  65 /*****************************************************************************
  66  * Basic types definitions
  67  *****************************************************************************/
  68 #if defined( HAVE_STDINT_H )
  69 #   include <stdint.h>
  70 #elif defined( HAVE_INTTYPES_H )
  71 #   include <inttypes.h>
  72 #elif defined( SYS_CYGWIN )
  73 #   include <sys/types.h>
  74     /* Cygwin only defines half of these... */
  75     typedef u_int8_t            uint8_t;
  76     typedef u_int16_t           uint16_t;
  77     typedef u_int32_t           uint32_t;
  78     typedef u_int64_t           uint64_t;
  79 #else
  80     /* Fallback types (very x86-centric, sorry) */
  81     typedef unsigned char       uint8_t;
  82     typedef signed char         int8_t;
  83     typedef unsigned short      uint16_t;
  84     typedef signed short        int16_t;
  85     typedef unsigned int        uint32_t;
  86     typedef signed int          int32_t;
  87 #   if defined( _MSC_VER ) \
  88       || defined( UNDER_CE ) \
  89       || ( defined( WIN32 ) && !defined( __MINGW32__ ) )
  90     typedef unsigned __int64    uint64_t;
  91     typedef signed __int64      int64_t;
  92 #   else
  93     typedef unsigned long long  uint64_t;
  94     typedef signed long long    int64_t;
  95 #   endif
  96     typedef uint32_t            uintptr_t;
  97     typedef int32_t             intptr_t;
  98 #endif
  99
 100 typedef uint8_t                 byte_t;
 101
 102 /* ptrdiff_t definition */
 103 #ifdef HAVE_STDDEF_H
 104 #   include <stddef.h>
 105 #else
 106 #   include <malloc.h>
 107 #   ifndef _PTRDIFF_T
 108 #       define _PTRDIFF_T
 109 /* Not portable in a 64-bit environment. */
 110 typedef int                 ptrdiff_t;
 111 #   endif
 112 #endif
 113
 114 #if defined( WIN32 )
 115 #   include <malloc.h>
 116 #   ifndef PATH_MAX
 117 #       define PATH_MAX MAX_PATH
 118 #   endif
 119 #endif
 120
 121 #if (defined( WIN32 ) || defined( UNDER_CE )) && !defined( _SSIZE_T_ )
 122 typedef int                 ssize_t;
 123 #endif
 124
 125 /* Counter for statistics and profiling */
 126 typedef unsigned long       count_t;
 127
 128 /* DCT elements types */
 129 typedef int16_t             dctelem_t;
 130
 131 /* Video buffer types */
 132 typedef uint8_t             yuv_data_t;
 133
 134 /* Audio volume */
 135 typedef uint16_t            audio_volume_t;
 136
 137 #ifndef HAVE_SOCKLEN_T
 138 typedef int                 socklen_t;
 139 #endif
 140
 141 /**
 142  * High precision date or time interval
 143  *
 144  * Store a high precision date or time interval. The maximum precision is the
 145  * microsecond, and a 64 bits integer is used to avoid overflows (maximum
 146  * time interval is then 292271 years, which should be long enough for any
 147  * video). Dates are stored as microseconds since a common date (usually the
 148  * epoch). Note that date and time intervals can be manipulated using regular
 149  * arithmetic operators, and that no special functions are required.
 150  */
 151 typedef int64_t mtime_t;
 152
 153 /**
 154  * The vlc_fourcc_t type.
 155  *
 156  * See http://www.webartz.com/fourcc/ for a very detailed list.
 157  */
 158 typedef uint32_t vlc_fourcc_t;
 159
 160 #ifdef WORDS_BIGENDIAN
 161 #   define VLC_FOURCC( a, b, c, d ) \
 162         ( ((uint32_t)d) | ( ((uint32_t)c) << 8 ) \
 163            | ( ((uint32_t)b) << 16 ) | ( ((uint32_t)a) << 24 ) )
 164 #   define VLC_TWOCC( a, b ) \
 165         ( (uint16_t)(b) | ( (uint16_t)(a) << 8 ) )
 166
 167 #else
 168 #   define VLC_FOURCC( a, b, c, d ) \
 169         ( ((uint32_t)a) | ( ((uint32_t)b) << 8 ) \
 170            | ( ((uint32_t)c) << 16 ) | ( ((uint32_t)d) << 24 ) )
 171 #   define VLC_TWOCC( a, b ) \
 172         ( (uint16_t)(a) | ( (uint16_t)(b) << 8 ) )
 173
 174 #endif
 175
 176 /*****************************************************************************
 177  * Classes declaration
 178  *****************************************************************************/
 179
 180 /* Internal types */
 181 typedef struct libvlc_t libvlc_t;
 182 typedef struct vlc_t vlc_t;
 183 typedef struct variable_t variable_t;
 184
 185 /* Messages */
 186 typedef struct msg_bank_t msg_bank_t;
 187 typedef struct msg_subscription_t msg_subscription_t;
 188
 189 /* Playlist */
 190 typedef struct playlist_t playlist_t;
 191 typedef struct playlist_item_t playlist_item_t;
 192 typedef struct playlist_group_t playlist_group_t;
 193 typedef struct item_info_t item_info_t;
 194 typedef struct item_info_category_t item_info_category_t;
 195
 196 /* Modules */
 197 typedef struct module_bank_t module_bank_t;
 198 typedef struct module_t module_t;
 199 typedef struct module_config_t module_config_t;
 200 typedef struct module_symbols_t module_symbols_t;
 201
 202 /* Interface */
 203 typedef struct intf_thread_t intf_thread_t;
 204 typedef struct intf_sys_t intf_sys_t;
 205 typedef struct intf_console_t intf_console_t;
 206 typedef struct intf_msg_t intf_msg_t;
 207 typedef struct intf_channel_t intf_channel_t;
 208
 209 /* Input */
 210 typedef struct input_thread_t input_thread_t;
 211 typedef struct input_thread_sys_t input_thread_sys_t;
 212 typedef struct input_area_t input_area_t;
 213 typedef struct input_buffers_t input_buffers_t;
 214 typedef struct input_socket_t input_socket_t;
 215 typedef struct input_info_t input_info_t;
 216 typedef struct input_info_category_t input_info_category_t;
 217 typedef struct access_sys_t access_sys_t;
 218 typedef struct demux_sys_t demux_sys_t;
 219 typedef struct es_descriptor_t es_descriptor_t;
 220 typedef struct es_sys_t es_sys_t;
 221 typedef struct pgrm_descriptor_t pgrm_descriptor_t;
 222 typedef struct pgrm_sys_t pgrm_sys_t;
 223 typedef struct stream_descriptor_t stream_descriptor_t;
 224 typedef struct stream_sys_t stream_sys_t;
 225
 226 /* Format */
 227 typedef struct audio_format_t audio_format_t;
 228 typedef struct video_format_t video_format_t;
 229 typedef struct subs_format_t subs_format_t;
 230 typedef struct es_format_t  es_format_t;
 231
 232 /* NInput */
 233 typedef struct stream_t stream_t;
 234 typedef struct es_out_t     es_out_t;
 235 typedef struct es_out_id_t  es_out_id_t;
 236 typedef struct es_out_sys_t es_out_sys_t;
 237 typedef struct demux_t  demux_t;
 238
 239 /* Audio */
 240 typedef struct aout_instance_t aout_instance_t;
 241 typedef struct aout_sys_t aout_sys_t;
 242 typedef struct aout_fifo_t aout_fifo_t;
 243 typedef struct aout_input_t aout_input_t;
 244 typedef struct aout_buffer_t aout_buffer_t;
 245 typedef audio_format_t audio_sample_format_t;
 246 typedef struct audio_date_t audio_date_t;
 247 typedef struct aout_filter_t aout_filter_t;
 248
 249 /* Video */
 250 typedef struct vout_thread_t vout_thread_t;
 251 typedef struct vout_sys_t vout_sys_t;
 252 typedef struct chroma_sys_t chroma_sys_t;
 253 typedef video_format_t video_frame_format_t;
 254 typedef struct picture_t picture_t;
 255 typedef struct picture_sys_t picture_sys_t;
 256 typedef struct picture_heap_t picture_heap_t;
 257 typedef struct subpicture_t subpicture_t;
 258 typedef struct subpicture_sys_t subpicture_sys_t;
 259 typedef struct vout_synchro_t vout_synchro_t;
 260 typedef struct text_renderer_sys_t text_renderer_sys_t;
 261 typedef struct text_style_t text_style_t;
 262
 263 /* Stream output */
 264 typedef struct sout_instance_t sout_instance_t;
 265 typedef struct sout_fifo_t sout_fifo_t;
 266 typedef struct sout_input_t sout_input_t;
 267 typedef struct sout_packetizer_input_t sout_packetizer_input_t;
 268 typedef struct sout_buffer_t sout_buffer_t;
 269 typedef struct sout_access_out_t sout_access_out_t;
 270 typedef struct sout_mux_t sout_mux_t;
 271 typedef struct sout_stream_t    sout_stream_t;
 272 typedef struct sout_cfg_t       sout_cfg_t;
 273 /*typedef struct sap_session_t    sap_session_t;
 274 typedef struct slp_session_t    slp_session_t;*/
 275
 276 /* Decoders */
 277 typedef struct decoder_t      decoder_t;
 278 typedef struct decoder_sys_t  decoder_sys_t;
 279
 280 /* Encoders */
 281 typedef struct encoder_t      encoder_t;
 282 typedef struct encoder_sys_t  encoder_sys_t;
 283
 284 /* Misc */
 285 typedef struct data_packet_t data_packet_t;
 286 typedef struct data_buffer_t data_buffer_t;
 287 typedef struct stream_position_t stream_position_t;
 288 typedef struct stream_ctrl_t stream_ctrl_t;
 289 typedef struct pes_packet_t pes_packet_t;
 290 typedef struct network_socket_t network_socket_t;
 291 typedef struct iso639_lang_t iso639_lang_t;
 292
 293 /* block */
 294 typedef struct block_t      block_t;
 295 typedef struct block_fifo_t block_fifo_t;
 296
 297 /*****************************************************************************
 298  * Variable callbacks
 299  *****************************************************************************/
 300 typedef int ( * vlc_callback_t ) ( vlc_object_t *,      /* variable's object */
 301                                    char const *,            /* variable name */
 302                                    vlc_value_t,                 /* old value */
 303                                    vlc_value_t,                 /* new value */
 304                                    void * );                /* callback data */
 305
 306 /*****************************************************************************
 307  * Plug-in stuff
 308  *****************************************************************************/
 309 #ifndef __PLUGIN__
 310 #   define VLC_EXPORT( type, name, args ) type name args
 311 #else
 312 #   define VLC_EXPORT( type, name, args ) struct _u_n_u_s_e_d_
 313     extern module_symbols_t* p_symbols;
 314 #endif
 315
 316 /*****************************************************************************
 317  * OS-specific headers and thread types
 318  *****************************************************************************/
 319 #if defined( WIN32 ) || defined( UNDER_CE )
 320 #   define WIN32_LEAN_AND_MEAN
 321 #   include <windows.h>
 322 #   define IS_WINNT ( GetVersion() < 0x80000000 )
 323 #endif
 324
 325 #include "vlc_threads.h"
 326
 327 /*****************************************************************************
 328  * Common structure members
 329  *****************************************************************************/
 330
 331 /* VLC_COMMON_MEMBERS : members common to all basic vlc objects */
 332 #define VLC_COMMON_MEMBERS                                                  \
 333 /** \name VLC_COMMON_MEMBERS                                                \
 334  * these members are common for all vlc objects                             \
 335  */                                                                         \
 336 /**@{*/                                                                     \
 337     int   i_object_id;                                                      \
 338     int   i_object_type;                                                    \
 339     char *psz_object_type;                                                  \
 340     char *psz_object_name;                                                  \
 341                                                                             \
 342     /* Thread properties, if any */                                         \
 343     vlc_bool_t   b_thread;                                                  \
 344     vlc_thread_t thread_id;                                                 \
 345                                                                             \
 346     /* Object access lock */                                                \
 347     vlc_mutex_t  object_lock;                                               \
 348     vlc_cond_t   object_wait;                                               \
 349                                                                             \
 350     /* Object properties */                                                 \
 351     volatile vlc_bool_t b_error;                  /**< set by the object */ \
 352     volatile vlc_bool_t b_die;                   /**< set by the outside */ \
 353     volatile vlc_bool_t b_dead;                   /**< set by the object */ \
 354     volatile vlc_bool_t b_attached;               /**< set by the object */ \
 355                                                                             \
 356     /* Object variables */                                                  \
 357     vlc_mutex_t     var_lock;                                               \
 358     int             i_vars;                                                 \
 359     variable_t *    p_vars;                                                 \
 360                                                                             \
 361     /* Stuff related to the libvlc structure */                             \
 362     libvlc_t *      p_libvlc;                      /**< root of all evil */ \
 363     vlc_t *         p_vlc;                   /**< (root of all evil) - 1 */ \
 364                                                                             \
 365     volatile int    i_refcount;                         /**< usage count */ \
 366     vlc_object_t *  p_parent;                            /**< our parent */ \
 367     vlc_object_t ** pp_children;                       /**< our children */ \
 368     volatile int    i_children;                                             \
 369                                                                             \
 370     /* Private data */                                                      \
 371     void *          p_private;                                              \
 372                                                                             \
 373     /** Just a reminder so that people don't cast garbage */                \
 374     int be_sure_to_add_VLC_COMMON_MEMBERS_to_struct;                        \
 375 /**@}*/                                                                     \
 376
 377 /* VLC_OBJECT: attempt at doing a clever cast */
 378 #define VLC_OBJECT( x ) \
 379     ((vlc_object_t *)(x))+0*(x)->be_sure_to_add_VLC_COMMON_MEMBERS_to_struct
 380
 381 /*****************************************************************************
 382  * Macros and inline functions
 383  *****************************************************************************/
 384 #ifdef NTOHL_IN_SYS_PARAM_H
 385 #   include <sys/param.h>
 386
 387 #elif !defined(WIN32) && !defined( UNDER_CE )
 388 #   include <netinet/in.h>
 389
 390 #endif /* NTOHL_IN_SYS_PARAM_H || WIN32 */
 391
 392 /* CEIL: division with round to nearest greater integer */
 393 #define CEIL(n, d)  ( ((n) / (d)) + ( ((n) % (d)) ? 1 : 0) )
 394
 395 /* PAD: PAD(n, d) = CEIL(n ,d) * d */
 396 #define PAD(n, d)   ( ((n) % (d)) ? ((((n) / (d)) + 1) * (d)) : (n) )
 397
 398 /* __MAX and __MIN: self explanatory */
 399 #ifndef __MAX
 400 #   define __MAX(a, b)   ( ((a) > (b)) ? (a) : (b) )
 401 #endif
 402 #ifndef __MIN
 403 #   define __MIN(a, b)   ( ((a) < (b)) ? (a) : (b) )
 404 #endif
 405
 406 /* Dynamic array handling: realloc array, move data, increment position */
 407 #define INSERT_ELEM( p_ar, i_oldsize, i_pos, elem )                           \
 408     do                                                                        \
 409     {                                                                         \
 410         if( i_oldsize )                                                       \
 411         {                                                                     \
 412             (p_ar) = realloc( p_ar, ((i_oldsize) + 1) * sizeof( *(p_ar) ) );  \
 413         }                                                                     \
 414         else                                                                  \
 415         {                                                                     \
 416             (p_ar) = malloc( ((i_oldsize) + 1) * sizeof( *(p_ar) ) );         \
 417         }                                                                     \
 418         if( (i_oldsize) - (i_pos) )                                           \
 419         {                                                                     \
 420             memmove( (p_ar) + (i_pos) + 1,                                    \
 421                      (p_ar) + (i_pos),                                        \
 422                      ((i_oldsize) - (i_pos)) * sizeof( *(p_ar) ) );           \
 423         }                                                                     \
 424         (p_ar)[i_pos] = elem;                                                 \
 425         (i_oldsize)++;                                                        \
 426     }                                                                         \
 427     while( 0 )
 428
 429 #define REMOVE_ELEM( p_ar, i_oldsize, i_pos )                                 \
 430     do                                                                        \
 431     {                                                                         \
 432         if( (i_oldsize) - (i_pos) - 1 )                                       \
 433         {                                                                     \
 434             memmove( (p_ar) + (i_pos),                                        \
 435                      (p_ar) + (i_pos) + 1,                                    \
 436                      ((i_oldsize) - (i_pos) - 1) * sizeof( *(p_ar) ) );       \
 437         }                                                                     \
 438         if( i_oldsize > 1 )                                                   \
 439         {                                                                     \
 440             (p_ar) = realloc( p_ar, ((i_oldsize) - 1) * sizeof( *(p_ar) ) );  \
 441         }                                                                     \
 442         else                                                                  \
 443         {                                                                     \
 444             free( p_ar );                                                     \
 445             (p_ar) = NULL;                                                    \
 446         }                                                                     \
 447         (i_oldsize)--;                                                        \
 448     }                                                                         \
 449     while( 0 )
 450
 451
 452 #define TAB_APPEND( count, tab, p )             \
 453     if( (count) > 0 )                           \
 454     {                                           \
 455         (*(void **)(&tab)) =                    \
 456             realloc( tab, sizeof( void ** ) * ( (count) + 1 ) ); \
 457     }                                           \
 458     else                                        \
 459     {                                           \
 460         (*(void **)(&tab)) = malloc( sizeof( void ** ) );    \
 461     }                                           \
 462     ((void**)(tab))[count] = (void*)(p);        \
 463     (count)++
 464
 465 #define TAB_FIND( count, tab, p, index )        \
 466     {                                           \
 467         int _i_;                                \
 468         (index) = -1;                           \
 469         for( _i_ = 0; _i_ < (count); _i_++ )    \
 470         {                                       \
 471             if( ((void**)(tab))[_i_] == (void*)(p) )  \
 472             {                                   \
 473                 (index) = _i_;                  \
 474                 break;                          \
 475             }                                   \
 476         }                                       \
 477     }
 478
 479 #define TAB_REMOVE( count, tab, p )             \
 480     {                                           \
 481         int _i_index_;                          \
 482         TAB_FIND( count, tab, p, _i_index_ );   \
 483         if( _i_index_ >= 0 )                    \
 484         {                                       \
 485             if( (count) > 1 )                     \
 486             {                                   \
 487                 memmove( ((void**)(tab) + _i_index_),    \
 488                          ((void**)(tab) + _i_index_+1),  \
 489                          ( (count) - _i_index_ - 1 ) * sizeof( void* ) );\
 490             }                                   \
 491             else                                \
 492             {                                   \
 493                 free( tab );                    \
 494                 (tab) = NULL;                   \
 495             }                                   \
 496             (count)--;                          \
 497         }                                       \
 498     }
 499
 500 /* MSB (big endian)/LSB (little endian) conversions - network order is always
 501  * MSB, and should be used for both network communications and files. Note that
 502  * byte orders other than little and big endians are not supported, but only
 503  * the VAX seems to have such exotic properties. */
 504 static inline uint16_t U16_AT( void * _p )
 505 {
 506     uint8_t * p = (uint8_t *)_p;
 507     return ( ((uint16_t)p[0] << 8) | p[1] );
 508 }
 509 static inline uint32_t U32_AT( void * _p )
 510 {
 511     uint8_t * p = (uint8_t *)_p;
 512     return ( ((uint32_t)p[0] << 24) | ((uint32_t)p[1] << 16)
 513               | ((uint32_t)p[2] << 8) | p[3] );
 514 }
 515 static inline uint64_t U64_AT( void * _p )
 516 {
 517     uint8_t * p = (uint8_t *)_p;
 518     return ( ((uint64_t)p[0] << 56) | ((uint64_t)p[1] << 48)
 519               | ((uint64_t)p[2] << 40) | ((uint64_t)p[3] << 32)
 520               | ((uint64_t)p[4] << 24) | ((uint64_t)p[5] << 16)
 521               | ((uint64_t)p[6] << 8) | p[7] );
 522 }
 523
 524 static inline uint16_t GetWLE( void * _p )
 525 {
 526     uint8_t * p = (uint8_t *)_p;
 527     return ( ((uint16_t)p[1] << 8) | p[0] );
 528 }
 529 static inline uint32_t GetDWLE( void * _p )
 530 {
 531     uint8_t * p = (uint8_t *)_p;
 532     return ( ((uint32_t)p[3] << 24) | ((uint32_t)p[2] << 16)
 533               | ((uint32_t)p[1] << 8) | p[0] );
 534 }
 535 static inline uint64_t GetQWLE( void * _p )
 536 {
 537     uint8_t * p = (uint8_t *)_p;
 538     return ( ((uint64_t)p[7] << 56) | ((uint64_t)p[6] << 48)
 539               | ((uint64_t)p[5] << 40) | ((uint64_t)p[4] << 32)
 540               | ((uint64_t)p[3] << 24) | ((uint64_t)p[2] << 16)
 541               | ((uint64_t)p[1] << 8) | p[0] );
 542 }
 543
 544 #define GetWBE( p )     U16_AT( p )
 545 #define GetDWBE( p )    U32_AT( p )
 546 #define GetQWBE( p )    U64_AT( p )
 547
 548
 549 #if WORDS_BIGENDIAN
 550 #   define hton16(i)   ( i )
 551 #   define hton32(i)   ( i )
 552 #   define hton64(i)   ( i )
 553 #   define ntoh16(i)   ( i )
 554 #   define ntoh32(i)   ( i )
 555 #   define ntoh64(i)   ( i )
 556 #else
 557 #   define hton16(i)   U16_AT(&i)
 558 #   define hton32(i)   U32_AT(&i)
 559 #   define hton64(i)   U64_AT(&i)
 560 #   define ntoh16(i)   U16_AT(&i)
 561 #   define ntoh32(i)   U32_AT(&i)
 562 #   define ntoh64(i)   U64_AT(&i)
 563 #endif
 564
 565 /* Format string sanity checks */
 566 #ifdef HAVE_ATTRIBUTE_FORMAT
 567 #   define ATTRIBUTE_FORMAT(x,y) __attribute__ ((format(printf,x,y)))
 568 #else
 569 #   define ATTRIBUTE_FORMAT(x,y)
 570 #endif
 571
 572 /* Alignment of critical static data structures */
 573 #ifdef ATTRIBUTE_ALIGNED_MAX
 574 #   define ATTR_ALIGN(align) __attribute__ ((__aligned__ ((ATTRIBUTE_ALIGNED_MAX < align) ? ATTRIBUTE_ALIGNED_MAX : align)))
 575 #else
 576 #   define ATTR_ALIGN(align)
 577 #endif
 578
 579 /* Alignment of critical dynamic data structure
 580  *
 581  * Not all platforms support memalign so we provide a vlc_memalign wrapper
 582  * void *vlc_memalign( size_t align, size_t size, void **pp_orig )
 583  * *pp_orig is the pointer that has to be freed afterwards.
 584  */
 585 #if 0
 586 #ifdef HAVE_POSIX_MEMALIGN
 587 #   define vlc_memalign(align,size,pp_orig) \
 588     ( !posix_memalign( pp_orig, align, size ) ? *(pp_orig) : NULL )
 589 #endif
 590 #endif
 591 #ifdef HAVE_MEMALIGN
 592     /* Some systems have memalign() but no declaration for it */
 593     void * memalign( size_t align, size_t size );
 594
 595 #   define vlc_memalign(pp_orig,align,size) \
 596     ( *(pp_orig) = memalign( align, size ) )
 597
 598 #else /* We don't have any choice but to align manually */
 599 #   define vlc_memalign(pp_orig,align,size) \
 600     (( *(pp_orig) = malloc( size + align - 1 )) \
 601         ? (void *)( (((unsigned long)*(pp_orig)) + (unsigned long)(align-1) ) \
 602                        & (~(unsigned long)(align-1)) ) \
 603         : NULL )
 604
 605 #endif
 606
 607 /* Stuff defined in src/extras/libc.c */
 608 #ifndef HAVE_STRDUP
 609 #   define strdup vlc_strdup
 610     VLC_EXPORT( char *, vlc_strdup, ( const char *s ) );
 611 #elif !defined(__PLUGIN__)
 612 #   define vlc_strdup NULL
 613 #endif
 614
 615 #ifndef HAVE_STRNDUP
 616 #   if defined(STRNDUP_IN_GNOME_H) && \
 617         (defined(MODULE_NAME_IS_gnome)||defined(MODULE_NAME_IS_gnome_main)||\
 618          defined(MODULE_NAME_IS_gnome2)||defined(MODULE_NAME_IS_gnome2_main))
 619         /* Do nothing: gnome.h defines strndup for us */
 620 #   else
 621 #       define strndup vlc_strndup
 622         VLC_EXPORT( char *, vlc_strndup, ( const char *s, size_t n ) );
 623 #   endif
 624 #elif !defined(__PLUGIN__)
 625 #   define vlc_strndup NULL
 626 #endif
 627
 628 #ifndef HAVE_ATOF
 629 #   define atof vlc_atof
 630     VLC_EXPORT( double, vlc_atof, ( const char *nptr ) );
 631 #elif !defined(__PLUGIN__)
 632 #   define vlc_atof NULL
 633 #endif
 634
 635 #ifndef HAVE_ATOLL
 636 #   define atoll vlc_atoll
 637     VLC_EXPORT( int64_t, vlc_atoll, ( const char *nptr ) );
 638 #elif !defined(__PLUGIN__)
 639 #   define vlc_atoll NULL
 640 #endif
 641
 642 #ifndef HAVE_GETENV
 643 #   define getenv vlc_getenv
 644     VLC_EXPORT( char *, vlc_getenv, ( const char *name ) );
 645 #elif !defined(__PLUGIN__)
 646 #   define vlc_getenv NULL
 647 #endif
 648
 649 #ifndef HAVE_STRCASECMP
 650 #   ifdef HAVE_STRICMP
 651 #       define strcasecmp stricmp
 652 #       if !defined(__PLUGIN__)
 653 #           define vlc_strcasecmp NULL
 654 #       endif
 655 #   elif !defined(__PLUGIN__)
 656 #       define strcasecmp vlc_strcasecmp
 657         VLC_EXPORT( int, vlc_strcasecmp, ( const char *s1, const char *s2 ) );
 658 #   endif
 659 #elif !defined(__PLUGIN__)
 660 #   define vlc_strcasecmp NULL
 661 #endif
 662
 663 #ifndef HAVE_STRNCASECMP
 664 #   ifdef HAVE_STRNICMP
 665 #       define strncasecmp strnicmp
 666 #       if !defined(__PLUGIN__)
 667 #           define vlc_strncasecmp NULL
 668 #       endif
 669 #   elif !defined(__PLUGIN__)
 670 #       define strncasecmp vlc_strncasecmp
 671         VLC_EXPORT( int, vlc_strncasecmp, ( const char *s1, const char *s2, size_t n ) );
 672 #   endif
 673 #elif !defined(__PLUGIN__)
 674 #   define vlc_strncasecmp NULL
 675 #endif
 676
 677 /* Format type specifiers for 64 bits numbers */
 678 #if !defined(WIN32) && !defined(UNDER_CE)
 679 #   define I64Fd "%lld"
 680 #   define I64Fi "%lli"
 681 #   define I64Fo "%llo"
 682 #   define I64Fu "%llu"
 683 #   define I64Fx "%llx"
 684 #   define I64FX "%llX"
 685 #else
 686 #   define I64Fd "%I64d"
 687 #   define I64Fi "%I64i"
 688 #   define I64Fo "%I64o"
 689 #   define I64Fu "%I64u"
 690 #   define I64Fx "%I64x"
 691 #   define I64FX "%I64X"
 692 #endif /* defined(WIN32)||defined(UNDER_CE) */
 693
 694 /* 64 bits integer constant suffix */
 695 #if defined( __MINGW32__ ) || (!defined(WIN32) && !defined(UNDER_CE))
 696 #   define I64C(x)         x##LL
 697 #else
 698 #   define I64C(x)         x##i64
 699 #endif /* defined(WIN32)||defined(UNDER_CE) */
 700
 701 #if defined(WIN32) || defined(UNDER_CE)
 702 /* win32, cl and icl support */
 703 #   if defined( _MSC_VER ) || !defined( __MINGW32__ )
 704 #       define __attribute__(x)
 705 #       define __inline__      __inline
 706 #       define S_IFBLK         0x3000  /* Block */
 707 #       define S_ISBLK(m)      (0)
 708 #       define S_ISCHR(m)      (0)
 709 #       define S_ISFIFO(m)     (((m)&_S_IFMT) == _S_IFIFO)
 710 #       define S_ISREG(m)      (((m)&_S_IFMT) == _S_IFREG)
 711 #   endif
 712
 713 /* several type definitions */
 714 #   if defined( __MINGW32__ )
 715 #       if !defined( _OFF_T_ )
 716 typedef long long _off_t;
 717 typedef _off_t off_t;
 718 #           define _OFF_T_
 719 #       else
 720 #           ifdef off_t
 721 #               undef off_t
 722 #           endif
 723 #           define off_t long long
 724 #       endif
 725 #   endif
 726
 727 #   if defined( _MSC_VER )
 728 #       if !defined( _OFF_T_DEFINED )
 729 typedef __int64 off_t;
 730 #           define _OFF_T_DEFINED
 731 #       else
 732 #           define off_t __int64
 733 #       endif
 734 #   endif
 735
 736 #   if defined( __BORLANDC__ )
 737 #       undef off_t
 738 #       define off_t unsigned __int64
 739 #   endif
 740
 741 #   ifndef O_NONBLOCK
 742 #       define O_NONBLOCK 0
 743 #   endif
 744
 745 #   ifndef alloca
 746 #       define alloca _alloca
 747 #   endif
 748
 749     /* These two are not defined in mingw32 (bug?) */
 750 #   ifndef snprintf
 751 #       define snprintf _snprintf
 752 #   endif
 753 #   ifndef vsnprintf
 754 #       define vsnprintf _vsnprintf
 755 #   endif
 756
 757 #endif
 758
 759 /* lseek (defined in src/extras/libc.c) */
 760 #ifndef HAVE_LSEEK
 761 #   define lseek vlc_lseek
 762     VLC_EXPORT( off_t, vlc_lseek, ( int fildes, off_t offset, int whence ) );
 763 #elif !defined(__PLUGIN__)
 764 #   define vlc_lseek NULL
 765 #endif
 766
 767 /* vlc_wraptext (defined in src/extras/libc.c) */
 768 #define wraptext vlc_wraptext
 769 VLC_EXPORT( char *, vlc_wraptext, ( const char *, int, vlc_bool_t ) );
 770
 771 /*****************************************************************************
 772  * CPU capabilities
 773  *****************************************************************************/
 774 #define CPU_CAPABILITY_NONE    0
 775 #define CPU_CAPABILITY_486     (1<<0)
 776 #define CPU_CAPABILITY_586     (1<<1)
 777 #define CPU_CAPABILITY_PPRO    (1<<2)
 778 #define CPU_CAPABILITY_MMX     (1<<3)
 779 #define CPU_CAPABILITY_3DNOW   (1<<4)
 780 #define CPU_CAPABILITY_MMXEXT  (1<<5)
 781 #define CPU_CAPABILITY_SSE     (1<<6)
 782 #define CPU_CAPABILITY_ALTIVEC (1<<16)
 783 #define CPU_CAPABILITY_FPU     (1<<31)
 784
 785 /*****************************************************************************
 786  * I18n stuff
 787  *****************************************************************************/
 788 VLC_EXPORT( char *, vlc_dgettext, ( const char *package, const char *msgid ) );
 789
 790 #if defined( ENABLE_NLS ) && \
 791      (defined(MODULE_NAME_IS_gnome)||defined(MODULE_NAME_IS_gnome_main)||\
 792       defined(MODULE_NAME_IS_gnome2)||defined(MODULE_NAME_IS_gnome2_main)||\
 793       defined(MODULE_NAME_IS_pda))
 794     /* Declare nothing: gnome.h will do it for us */
 795 #elif defined( ENABLE_NLS )
 796 #if defined( HAVE_INCLUDED_GETTEXT )
 797 #   include "libintl.h"
 798 #else
 799 #   include <libintl.h>
 800 #endif
 801 #   undef _
 802 #if defined( __BORLANDC__ )
 803 #define _(String) vlc_dgettext (PACKAGE_TARNAME, String)
 804 #else
 805 #   define _(String) vlc_dgettext (PACKAGE, String)
 806 #endif
 807 #   define N_(String) ((char*)(String))
 808 #else
 809 #   define _(String) ((char*)(String))
 810 #   define N_(String) ((char*)(String))
 811 #endif
 812
 813 /*****************************************************************************
 814  * Additional vlc stuff
 815  *****************************************************************************/
 816 #include "vlc_symbols.h"
 817 #include "os_specific.h"
 818 #include "vlc_messages.h"
 819 #include "variables.h"
 820 #include "vlc_objects.h"
 821 #include "vlc_threads_funcs.h"
 822 #include "mtime.h"
 823 #include "modules.h"
 824 #include "main.h"
 825 #include "configuration.h"
 826
 827 #if defined( __BORLANDC__ )
 828 #   undef PACKAGE
 829 #   define PACKAGE
 830 #endif
 831