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 1.84 2003/10/29 01:33:27 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  * mtime_t: high precision date or time interval
 138  *****************************************************************************
 139  * Store a high precision date or time interval. The maximum precision is the
 140  * microsecond, and a 64 bits integer is used to avoid overflows (maximum
 141  * time interval is then 292271 years, which should be long enough for any
 142  * video). Dates are stored as microseconds since a common date (usually the
 143  * epoch). Note that date and time intervals can be manipulated using regular
 144  * arithmetic operators, and that no special functions are required.
 145  *****************************************************************************/
 146 typedef int64_t mtime_t;
 147
 148 /*****************************************************************************
 149  * The vlc_fourcc_t type.
 150  *****************************************************************************
 151  * See http://www.webartz.com/fourcc/ for a very detailed list.
 152  *****************************************************************************/
 153 typedef uint32_t vlc_fourcc_t;
 154
 155 #ifdef WORDS_BIGENDIAN
 156 #   define VLC_FOURCC( a, b, c, d ) \
 157         ( ((uint32_t)d) | ( ((uint32_t)c) << 8 ) \
 158            | ( ((uint32_t)b) << 16 ) | ( ((uint32_t)a) << 24 ) )
 159 #   define VLC_TWOCC( a, b ) \
 160         ( (uint16_t)(b) | ( (uint16_t)(a) << 8 ) )
 161
 162 #else
 163 #   define VLC_FOURCC( a, b, c, d ) \
 164         ( ((uint32_t)a) | ( ((uint32_t)b) << 8 ) \
 165            | ( ((uint32_t)c) << 16 ) | ( ((uint32_t)d) << 24 ) )
 166 #   define VLC_TWOCC( a, b ) \
 167         ( (uint16_t)(a) | ( (uint16_t)(b) << 8 ) )
 168
 169 #endif
 170
 171 /*****************************************************************************
 172  * Classes declaration
 173  *****************************************************************************/
 174
 175 /* Internal types */
 176 typedef struct libvlc_t libvlc_t;
 177 typedef struct vlc_t vlc_t;
 178 typedef struct variable_t variable_t;
 179
 180 /* Messages */
 181 typedef struct msg_bank_t msg_bank_t;
 182 typedef struct msg_subscription_t msg_subscription_t;
 183
 184 /* Playlist */
 185 typedef struct playlist_t playlist_t;
 186 typedef struct playlist_item_t playlist_item_t;
 187
 188 /* Modules */
 189 typedef struct module_bank_t module_bank_t;
 190 typedef struct module_t module_t;
 191 typedef struct module_config_t module_config_t;
 192 typedef struct module_symbols_t module_symbols_t;
 193
 194 /* Interface */
 195 typedef struct intf_thread_t intf_thread_t;
 196 typedef struct intf_sys_t intf_sys_t;
 197 typedef struct intf_console_t intf_console_t;
 198 typedef struct intf_msg_t intf_msg_t;
 199 typedef struct intf_channel_t intf_channel_t;
 200
 201 /* Input */
 202 typedef struct input_thread_t input_thread_t;
 203 typedef struct input_thread_sys_t input_thread_sys_t;
 204 typedef struct input_area_t input_area_t;
 205 typedef struct input_buffers_t input_buffers_t;
 206 typedef struct input_socket_t input_socket_t;
 207 typedef struct input_info_t input_info_t;
 208 typedef struct input_info_category_t input_info_category_t;
 209 typedef struct access_sys_t access_sys_t;
 210 typedef struct demux_sys_t demux_sys_t;
 211 typedef struct es_descriptor_t es_descriptor_t;
 212 typedef struct es_sys_t es_sys_t;
 213 typedef struct pgrm_descriptor_t pgrm_descriptor_t;
 214 typedef struct pgrm_sys_t pgrm_sys_t;
 215 typedef struct stream_descriptor_t stream_descriptor_t;
 216 typedef struct stream_sys_t stream_sys_t;
 217
 218 /* NInput */
 219 typedef struct stream_t stream_t;
 220 typedef struct es_out_t     es_out_t;
 221 typedef struct es_out_id_t  es_out_id_t;
 222 typedef struct es_out_sys_t es_out_sys_t;
 223
 224
 225 /* Audio */
 226 typedef struct aout_instance_t aout_instance_t;
 227 typedef struct aout_sys_t aout_sys_t;
 228 typedef struct aout_fifo_t aout_fifo_t;
 229 typedef struct aout_input_t aout_input_t;
 230 typedef struct aout_buffer_t aout_buffer_t;
 231 typedef struct audio_sample_format_t audio_sample_format_t;
 232 typedef struct audio_date_t audio_date_t;
 233
 234 /* Video */
 235 typedef struct vout_thread_t vout_thread_t;
 236 typedef struct vout_sys_t vout_sys_t;
 237 typedef struct chroma_sys_t chroma_sys_t;
 238 typedef struct video_frame_format_t video_frame_format_t;
 239 typedef struct picture_t picture_t;
 240 typedef struct picture_sys_t picture_sys_t;
 241 typedef struct picture_heap_t picture_heap_t;
 242 typedef struct subpicture_t subpicture_t;
 243 typedef struct subpicture_sys_t subpicture_sys_t;
 244 typedef struct vout_synchro_t vout_synchro_t;
 245 typedef struct text_renderer_sys_t text_renderer_sys_t;
 246 typedef struct text_style_t text_style_t;
 247
 248 /* Stream output */
 249 typedef struct sout_instance_t sout_instance_t;
 250 typedef struct sout_fifo_t sout_fifo_t;
 251 typedef struct sout_input_t sout_input_t;
 252 typedef struct sout_packetizer_input_t sout_packetizer_input_t;
 253 typedef struct sout_buffer_t sout_buffer_t;
 254 typedef struct sout_access_out_t sout_access_out_t;
 255 typedef struct sout_mux_t sout_mux_t;
 256 typedef struct sout_stream_t    sout_stream_t;
 257 typedef struct sout_cfg_t       sout_cfg_t;
 258 typedef struct sout_format_t    sout_format_t;
 259 /*typedef struct sap_session_t    sap_session_t;
 260 typedef struct slp_session_t    slp_session_t;*/
 261
 262 /* Decoders */
 263 typedef struct decoder_fifo_t decoder_fifo_t;
 264 typedef struct decoder_t      decoder_t;
 265 typedef struct decoder_sys_t  decoder_sys_t;
 266
 267 /* Encoders */
 268 typedef struct encoder_t      encoder_t;
 269 typedef struct encoder_sys_t  encoder_sys_t;
 270
 271 /* Misc */
 272 typedef struct data_packet_t data_packet_t;
 273 typedef struct data_buffer_t data_buffer_t;
 274 typedef struct stream_position_t stream_position_t;
 275 typedef struct stream_ctrl_t stream_ctrl_t;
 276 typedef struct pes_packet_t pes_packet_t;
 277 typedef struct bit_stream_t bit_stream_t;
 278 typedef struct network_socket_t network_socket_t;
 279 typedef struct iso639_lang_t iso639_lang_t;
 280
 281 /* block */
 282 typedef struct block_t      block_t;
 283 typedef struct block_fifo_t block_fifo_t;
 284
 285 /*****************************************************************************
 286  * Variable callbacks
 287  *****************************************************************************/
 288 typedef int ( * vlc_callback_t ) ( vlc_object_t *,      /* variable's object */
 289                                    char const *,            /* variable name */
 290                                    vlc_value_t,                 /* old value */
 291                                    vlc_value_t,                 /* new value */
 292                                    void * );                /* callback data */
 293
 294 /*****************************************************************************
 295  * Plug-in stuff
 296  *****************************************************************************/
 297 #ifndef __PLUGIN__
 298 #   define VLC_EXPORT( type, name, args ) type name args
 299 #else
 300 #   define VLC_EXPORT( type, name, args ) struct _u_n_u_s_e_d_
 301     extern module_symbols_t* p_symbols;
 302 #endif
 303
 304 /*****************************************************************************
 305  * OS-specific headers and thread types
 306  *****************************************************************************/
 307 #if defined( WIN32 ) || defined( UNDER_CE )
 308 #   define WIN32_LEAN_AND_MEAN
 309 #   include <windows.h>
 310 #   define IS_WINNT ( GetVersion() < 0x80000000 )
 311 #endif
 312
 313 #include "vlc_threads.h"
 314
 315 /*****************************************************************************
 316  * Common structure members
 317  *****************************************************************************/
 318
 319 /* VLC_COMMON_MEMBERS : members common to all basic vlc objects */
 320 #define VLC_COMMON_MEMBERS                                                  \
 321 /** \name VLC_COMMON_MEMBERS                                                \
 322  * these members are common for all vlc objects                             \
 323  */                                                                         \
 324 /**@{*/                                                                     \
 325     int   i_object_id;                                                      \
 326     int   i_object_type;                                                    \
 327     char *psz_object_type;                                                  \
 328     char *psz_object_name;                                                  \
 329                                                                             \
 330     /* Thread properties, if any */                                         \
 331     vlc_bool_t   b_thread;                                                  \
 332     vlc_thread_t thread_id;                                                 \
 333                                                                             \
 334     /* Object access lock */                                                \
 335     vlc_mutex_t  object_lock;                                               \
 336     vlc_cond_t   object_wait;                                               \
 337                                                                             \
 338     /* Object properties */                                                 \
 339     volatile vlc_bool_t b_error;                  /**< set by the object */ \
 340     volatile vlc_bool_t b_die;                   /**< set by the outside */ \
 341     volatile vlc_bool_t b_dead;                   /**< set by the object */ \
 342     volatile vlc_bool_t b_attached;               /**< set by the object */ \
 343                                                                             \
 344     /* Object variables */                                                  \
 345     vlc_mutex_t     var_lock;                                               \
 346     int             i_vars;                                                 \
 347     variable_t *    p_vars;                                                 \
 348                                                                             \
 349     /* Stuff related to the libvlc structure */                             \
 350     libvlc_t *      p_libvlc;                      /**< root of all evil */ \
 351     vlc_t *         p_vlc;                   /**< (root of all evil) - 1 */ \
 352                                                                             \
 353     volatile int    i_refcount;                         /**< usage count */ \
 354     vlc_object_t *  p_parent;                            /**< our parent */ \
 355     vlc_object_t ** pp_children;                       /**< our children */ \
 356     volatile int    i_children;                                             \
 357                                                                             \
 358     /* Private data */                                                      \
 359     void *          p_private;                                              \
 360                                                                             \
 361     /** Just a reminder so that people don't cast garbage */                \
 362     int be_sure_to_add_VLC_COMMON_MEMBERS_to_struct;                        \
 363 /**@}*/                                                                     \
 364
 365 /* VLC_OBJECT: attempt at doing a clever cast */
 366 #define VLC_OBJECT( x ) \
 367     ((vlc_object_t *)(x))+0*(x)->be_sure_to_add_VLC_COMMON_MEMBERS_to_struct
 368
 369 /*****************************************************************************
 370  * Macros and inline functions
 371  *****************************************************************************/
 372 #ifdef NTOHL_IN_SYS_PARAM_H
 373 #   include <sys/param.h>
 374
 375 #elif !defined(WIN32) && !defined( UNDER_CE )
 376 #   include <netinet/in.h>
 377
 378 #endif /* NTOHL_IN_SYS_PARAM_H || WIN32 */
 379
 380 /* CEIL: division with round to nearest greater integer */
 381 #define CEIL(n, d)  ( ((n) / (d)) + ( ((n) % (d)) ? 1 : 0) )
 382
 383 /* PAD: PAD(n, d) = CEIL(n ,d) * d */
 384 #define PAD(n, d)   ( ((n) % (d)) ? ((((n) / (d)) + 1) * (d)) : (n) )
 385
 386 /* __MAX and __MIN: self explanatory */
 387 #ifndef __MAX
 388 #   define __MAX(a, b)   ( ((a) > (b)) ? (a) : (b) )
 389 #endif
 390 #ifndef __MIN
 391 #   define __MIN(a, b)   ( ((a) < (b)) ? (a) : (b) )
 392 #endif
 393
 394 /* Dynamic array handling: realloc array, move data, increment position */
 395 #define INSERT_ELEM( p_ar, i_oldsize, i_pos, elem )                           \
 396     do                                                                        \
 397     {                                                                         \
 398         if( i_oldsize )                                                       \
 399         {                                                                     \
 400             (p_ar) = realloc( p_ar, ((i_oldsize) + 1) * sizeof( *(p_ar) ) );  \
 401         }                                                                     \
 402         else                                                                  \
 403         {                                                                     \
 404             (p_ar) = malloc( ((i_oldsize) + 1) * sizeof( *(p_ar) ) );         \
 405         }                                                                     \
 406         if( (i_oldsize) - (i_pos) )                                           \
 407         {                                                                     \
 408             memmove( (p_ar) + (i_pos) + 1,                                    \
 409                      (p_ar) + (i_pos),                                        \
 410                      ((i_oldsize) - (i_pos)) * sizeof( *(p_ar) ) );           \
 411         }                                                                     \
 412         (p_ar)[i_pos] = elem;                                                 \
 413         (i_oldsize)++;                                                        \
 414     }                                                                         \
 415     while( 0 )
 416
 417 #define REMOVE_ELEM( p_ar, i_oldsize, i_pos )                                 \
 418     do                                                                        \
 419     {                                                                         \
 420         if( (i_oldsize) - (i_pos) - 1 )                                       \
 421         {                                                                     \
 422             memmove( (p_ar) + (i_pos),                                        \
 423                      (p_ar) + (i_pos) + 1,                                    \
 424                      ((i_oldsize) - (i_pos) - 1) * sizeof( *(p_ar) ) );       \
 425         }                                                                     \
 426         if( i_oldsize > 1 )                                                   \
 427         {                                                                     \
 428             (p_ar) = realloc( p_ar, ((i_oldsize) - 1) * sizeof( *(p_ar) ) );  \
 429         }                                                                     \
 430         else                                                                  \
 431         {                                                                     \
 432             free( p_ar );                                                     \
 433             (p_ar) = NULL;                                                    \
 434         }                                                                     \
 435         (i_oldsize)--;                                                        \
 436     }                                                                         \
 437     while( 0 )
 438
 439
 440 #define TAB_APPEND( count, tab, p )             \
 441     if( (count) > 0 )                           \
 442     {                                           \
 443         (tab) = realloc( (tab), sizeof( void ** ) * ( (count) + 1 ) ); \
 444     }                                           \
 445     else                                        \
 446     {                                           \
 447         (tab) = malloc( sizeof( void ** ) );    \
 448     }                                           \
 449     (void**)(tab)[(count)] = (void*)(p);        \
 450     (count)++
 451
 452 #define TAB_FIND( count, tab, p, index )        \
 453     {                                           \
 454         int _i_;                                \
 455         (index) = -1;                           \
 456         for( _i_ = 0; _i_ < (count); _i_++ )    \
 457         {                                       \
 458             if((void**)(tab)[_i_]==(void*)(p))  \
 459             {                                   \
 460                 (index) = _i_;                  \
 461                 break;                          \
 462             }                                   \
 463         }                                       \
 464     }
 465
 466 #define TAB_REMOVE( count, tab, p )             \
 467     {                                           \
 468         int _i_index_;                          \
 469         TAB_FIND( count, tab, p, _i_index_ );   \
 470         if( _i_index_ >= 0 )                    \
 471         {                                       \
 472             if( (count) > 1 )                     \
 473             {                                   \
 474                 memmove( ((void**)(tab) + _i_index_),    \
 475                          ((void**)(tab) + _i_index_+1),  \
 476                          ( (count) - _i_index_ - 1 ) * sizeof( void* ) );\
 477             }                                   \
 478             else                                \
 479             {                                   \
 480                 free( tab );                    \
 481                 (tab) = NULL;                   \
 482             }                                   \
 483             (count)--;                          \
 484         }                                       \
 485     }
 486
 487 /* MSB (big endian)/LSB (little endian) conversions - network order is always
 488  * MSB, and should be used for both network communications and files. Note that
 489  * byte orders other than little and big endians are not supported, but only
 490  * the VAX seems to have such exotic properties. */
 491 static inline uint16_t U16_AT( void * _p )
 492 {
 493     uint8_t * p = (uint8_t *)_p;
 494     return ( ((uint16_t)p[0] << 8) | p[1] );
 495 }
 496 static inline uint32_t U32_AT( void * _p )
 497 {
 498     uint8_t * p = (uint8_t *)_p;
 499     return ( ((uint32_t)p[0] << 24) | ((uint32_t)p[1] << 16)
 500               | ((uint32_t)p[2] << 8) | p[3] );
 501 }
 502 static inline uint64_t U64_AT( void * _p )
 503 {
 504     uint8_t * p = (uint8_t *)_p;
 505     return ( ((uint64_t)p[0] << 56) | ((uint64_t)p[1] << 48)
 506               | ((uint64_t)p[2] << 40) | ((uint64_t)p[3] << 32)
 507               | ((uint64_t)p[4] << 24) | ((uint64_t)p[5] << 16)
 508               | ((uint64_t)p[6] << 8) | p[7] );
 509 }
 510
 511 static inline uint16_t GetWLE( void * _p )
 512 {
 513     uint8_t * p = (uint8_t *)_p;
 514     return ( ((uint16_t)p[1] << 8) | p[0] );
 515 }
 516 static inline uint32_t GetDWLE( void * _p )
 517 {
 518     uint8_t * p = (uint8_t *)_p;
 519     return ( ((uint32_t)p[3] << 24) | ((uint32_t)p[2] << 16)
 520               | ((uint32_t)p[1] << 8) | p[0] );
 521 }
 522 static inline uint64_t GetQWLE( void * _p )
 523 {
 524     uint8_t * p = (uint8_t *)_p;
 525     return ( ((uint64_t)p[7] << 56) | ((uint64_t)p[6] << 48)
 526               | ((uint64_t)p[5] << 40) | ((uint64_t)p[4] << 32)
 527               | ((uint64_t)p[3] << 24) | ((uint64_t)p[2] << 16)
 528               | ((uint64_t)p[1] << 8) | p[0] );
 529 }
 530
 531 #define GetWBE( p )     U16_AT( p )
 532 #define GetDWBE( p )    U32_AT( p )
 533 #define GetQWBE( p )    U64_AT( p )
 534
 535
 536 #if WORDS_BIGENDIAN
 537 #   define hton16(i)   ( i )
 538 #   define hton32(i)   ( i )
 539 #   define hton64(i)   ( i )
 540 #   define ntoh16(i)   ( i )
 541 #   define ntoh32(i)   ( i )
 542 #   define ntoh64(i)   ( i )
 543 #else
 544 #   define hton16(i)   U16_AT(&i)
 545 #   define hton32(i)   U32_AT(&i)
 546 #   define hton64(i)   U64_AT(&i)
 547 #   define ntoh16(i)   U16_AT(&i)
 548 #   define ntoh32(i)   U32_AT(&i)
 549 #   define ntoh64(i)   U64_AT(&i)
 550 #endif
 551
 552 /* Format string sanity checks */
 553 #ifdef HAVE_ATTRIBUTE_FORMAT
 554 #   define ATTRIBUTE_FORMAT(x,y) __attribute__ ((format(printf,x,y)))
 555 #else
 556 #   define ATTRIBUTE_FORMAT(x,y)
 557 #endif
 558
 559 /* Alignment of critical static data structures */
 560 #ifdef ATTRIBUTE_ALIGNED_MAX
 561 #   define ATTR_ALIGN(align) __attribute__ ((__aligned__ ((ATTRIBUTE_ALIGNED_MAX < align) ? ATTRIBUTE_ALIGNED_MAX : align)))
 562 #else
 563 #   define ATTR_ALIGN(align)
 564 #endif
 565
 566 /* Alignment of critical dynamic data structure
 567  *
 568  * Not all platforms support memalign so we provide a vlc_memalign wrapper
 569  * void *vlc_memalign( size_t align, size_t size, void **pp_orig )
 570  * *pp_orig is the pointer that has to be freed afterwards.
 571  */
 572 #if 0
 573 #ifdef HAVE_POSIX_MEMALIGN
 574 #   define vlc_memalign(align,size,pp_orig) \
 575     ( !posix_memalign( pp_orig, align, size ) ? *(pp_orig) : NULL )
 576 #endif
 577 #endif
 578 #ifdef HAVE_MEMALIGN
 579     /* Some systems have memalign() but no declaration for it */
 580     void * memalign( size_t align, size_t size );
 581
 582 #   define vlc_memalign(pp_orig,align,size) \
 583     ( *(pp_orig) = memalign( align, size ) )
 584
 585 #else /* We don't have any choice but to align manually */
 586 #   define vlc_memalign(pp_orig,align,size) \
 587     (( *(pp_orig) = malloc( size + align - 1 )) \
 588         ? (void *)( (((unsigned long)*(pp_orig)) + (unsigned long)(align-1) ) \
 589                        & (~(unsigned long)(align-1)) ) \
 590         : NULL )
 591
 592 #endif
 593
 594 /* Stuff defined in src/extras/libc.c */
 595 #ifndef HAVE_STRDUP
 596 #   define strdup vlc_strdup
 597     VLC_EXPORT( char *, vlc_strdup, ( const char *s ) );
 598 #elif !defined(__PLUGIN__)
 599 #   define vlc_strdup NULL
 600 #endif
 601
 602 #ifndef HAVE_STRNDUP
 603 #   if defined(STRNDUP_IN_GNOME_H) && \
 604         (defined(MODULE_NAME_IS_gnome)||defined(MODULE_NAME_IS_gnome_main)||\
 605          defined(MODULE_NAME_IS_gnome2)||defined(MODULE_NAME_IS_gnome2_main))
 606         /* Do nothing: gnome.h defines strndup for us */
 607 #   else
 608 #       define strndup vlc_strndup
 609         VLC_EXPORT( char *, vlc_strndup, ( const char *s, size_t n ) );
 610 #   endif
 611 #elif !defined(__PLUGIN__)
 612 #   define vlc_strndup NULL
 613 #endif
 614
 615 #ifndef HAVE_ATOF
 616 #   define atof vlc_atof
 617     VLC_EXPORT( double, vlc_atof, ( const char *nptr ) );
 618 #elif !defined(__PLUGIN__)
 619 #   define vlc_atof NULL
 620 #endif
 621
 622 #ifndef HAVE_ATOLL
 623 #   define atoll vlc_atoll
 624     VLC_EXPORT( int64_t, vlc_atoll, ( const char *nptr ) );
 625 #elif !defined(__PLUGIN__)
 626 #   define vlc_atoll NULL
 627 #endif
 628
 629 #ifndef HAVE_GETENV
 630 #   define getenv vlc_getenv
 631     VLC_EXPORT( char *, vlc_getenv, ( const char *name ) );
 632 #elif !defined(__PLUGIN__)
 633 #   define vlc_getenv NULL
 634 #endif
 635
 636 #ifndef HAVE_STRCASECMP
 637 #   ifdef HAVE_STRICMP
 638 #       define strcasecmp stricmp
 639 #       if !defined(__PLUGIN__)
 640 #           define vlc_strcasecmp NULL
 641 #       endif
 642 #   elif !defined(__PLUGIN__)
 643 #       define strcasecmp vlc_strcasecmp
 644         VLC_EXPORT( int, vlc_strcasecmp, ( const char *s1, const char *s2 ) );
 645 #   endif
 646 #elif !defined(__PLUGIN__)
 647 #   define vlc_strcasecmp NULL
 648 #endif
 649
 650 #ifndef HAVE_STRNCASECMP
 651 #   ifdef HAVE_STRNICMP
 652 #       define strncasecmp strnicmp
 653 #       if !defined(__PLUGIN__)
 654 #           define vlc_strncasecmp NULL
 655 #       endif
 656 #   elif !defined(__PLUGIN__)
 657 #       define strncasecmp vlc_strncasecmp
 658         VLC_EXPORT( int, vlc_strncasecmp, ( const char *s1, const char *s2, size_t n ) );
 659 #   endif
 660 #elif !defined(__PLUGIN__)
 661 #   define vlc_strncasecmp NULL
 662 #endif
 663
 664 /* Format type specifiers for 64 bits numbers */
 665 #if !defined(WIN32) && !defined(UNDER_CE)
 666 #   define I64Fd "%lld"
 667 #   define I64Fi "%lli"
 668 #   define I64Fo "%llo"
 669 #   define I64Fu "%llu"
 670 #   define I64Fx "%llx"
 671 #   define I64FX "%llX"
 672 #else
 673 #   define I64Fd "%I64d"
 674 #   define I64Fi "%I64i"
 675 #   define I64Fo "%I64o"
 676 #   define I64Fu "%I64u"
 677 #   define I64Fx "%I64x"
 678 #   define I64FX "%I64X"
 679 #endif /* defined(WIN32)||defined(UNDER_CE) */
 680
 681 /* 64 bits integer constant suffix */
 682 #if defined( __MINGW32__ ) || (!defined(WIN32) && !defined(UNDER_CE))
 683 #   define I64C(x)         x##LL
 684 #else
 685 #   define I64C(x)         x##i64
 686 #endif /* defined(WIN32)||defined(UNDER_CE) */
 687
 688 #if defined(WIN32) || defined(UNDER_CE)
 689 /* win32, cl and icl support */
 690 #   if defined( _MSC_VER ) || !defined( __MINGW32__ )
 691 #       define __attribute__(x)
 692 #       define __inline__      __inline
 693 #       define S_IFBLK         0x3000  /* Block */
 694 #       define S_ISBLK(m)      (0)
 695 #       define S_ISCHR(m)      (0)
 696 #       define S_ISFIFO(m)     (((m)&_S_IFMT) == _S_IFIFO)
 697 #       define S_ISREG(m)      (((m)&_S_IFMT) == _S_IFREG)
 698 #   endif
 699
 700 /* several type definitions */
 701 #   if defined( __MINGW32__ )
 702 #       if !defined( _OFF_T_ )
 703 typedef long long _off_t;
 704 typedef _off_t off_t;
 705 #           define _OFF_T_
 706 #       else
 707 #           ifdef off_t
 708 #               undef off_t
 709 #           endif
 710 #           define off_t long long
 711 #       endif
 712 #   endif
 713
 714 #   if defined( _MSC_VER )
 715 #       if !defined( _OFF_T_DEFINED )
 716 typedef __int64 off_t;
 717 #           define _OFF_T_DEFINED
 718 #       else
 719 #           define off_t __int64
 720 #       endif
 721 #   endif
 722
 723 #   if defined( __BORLANDC__ )
 724 #       undef off_t
 725 #       define off_t unsigned __int64
 726 #   endif
 727
 728 #   ifndef O_NONBLOCK
 729 #       define O_NONBLOCK 0
 730 #   endif
 731
 732 #   ifndef alloca
 733 #       define alloca _alloca
 734 #   endif
 735
 736     /* These two are not defined in mingw32 (bug?) */
 737 #   ifndef snprintf
 738 #       define snprintf _snprintf
 739 #   endif
 740 #   ifndef vsnprintf
 741 #       define vsnprintf _vsnprintf
 742 #   endif
 743
 744 #endif
 745
 746 /* lseek (defined in src/extras/libc.c) */
 747 #ifndef HAVE_LSEEK
 748 #   define lseek vlc_lseek
 749     VLC_EXPORT( off_t, vlc_lseek, ( int fildes, off_t offset, int whence ) );
 750 #elif !defined(__PLUGIN__)
 751 #   define vlc_lseek NULL
 752 #endif
 753
 754 /* vlc_wraptext (defined in src/extras/libc.c) */
 755 #define wraptext vlc_wraptext
 756 VLC_EXPORT( char *, vlc_wraptext, ( const char *, int, vlc_bool_t ) );
 757
 758 /*****************************************************************************
 759  * CPU capabilities
 760  *****************************************************************************/
 761 #define CPU_CAPABILITY_NONE    0
 762 #define CPU_CAPABILITY_486     (1<<0)
 763 #define CPU_CAPABILITY_586     (1<<1)
 764 #define CPU_CAPABILITY_PPRO    (1<<2)
 765 #define CPU_CAPABILITY_MMX     (1<<3)
 766 #define CPU_CAPABILITY_3DNOW   (1<<4)
 767 #define CPU_CAPABILITY_MMXEXT  (1<<5)
 768 #define CPU_CAPABILITY_SSE     (1<<6)
 769 #define CPU_CAPABILITY_ALTIVEC (1<<16)
 770 #define CPU_CAPABILITY_FPU     (1<<31)
 771
 772 /*****************************************************************************
 773  * I18n stuff
 774  *****************************************************************************/
 775 VLC_EXPORT( char *, vlc_dgettext, ( const char *package, const char *msgid ) );
 776
 777 #if defined( ENABLE_NLS ) && \
 778      (defined(MODULE_NAME_IS_gnome)||defined(MODULE_NAME_IS_gnome_main)||\
 779       defined(MODULE_NAME_IS_gnome2)||defined(MODULE_NAME_IS_gnome2_main))
 780     /* Declare nothing: gnome.h will do it for us */
 781 #elif defined( ENABLE_NLS )
 782 #if defined( HAVE_INCLUDED_GETTEXT )
 783 #   include "libintl.h"
 784 #else
 785 #   include <libintl.h>
 786 #endif
 787 #   undef _
 788 #if defined( __BORLANDC__ )
 789 #define _(String) vlc_dgettext (PACKAGE_TARNAME, String)
 790 #else
 791 #   define _(String) vlc_dgettext (PACKAGE, String)
 792 #endif
 793 #   define N_(String) ((char*)(String))
 794 #else
 795 #   define _(String) ((char*)(String))
 796 #   define N_(String) ((char*)(String))
 797 #endif
 798
 799 /*****************************************************************************
 800  * Additional vlc stuff
 801  *****************************************************************************/
 802 #include "vlc_symbols.h"
 803 #include "os_specific.h"
 804 #include "vlc_messages.h"
 805 #include "variables.h"
 806 #include "vlc_objects.h"
 807 #include "vlc_threads_funcs.h"
 808 #include "mtime.h"
 809 #include "modules.h"
 810 #include "main.h"
 811 #include "configuration.h"
 812
 813 #if defined( __BORLANDC__ )
 814 #   undef PACKAGE
 815 #   define PACKAGE
 816 #endif
 817