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  * $Id$
   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 #elif defined( _MSC_VER )
  47 #   pragma warning( disable : 4244 )
  48 #endif
  49
  50 #include "vlc_config.h"
  51 #include "modules_inner.h"
  52
  53 /*****************************************************************************
  54  * Required system headers
  55  *****************************************************************************/
  56 #include <stdlib.h>
  57 #include <stdarg.h>
  58
  59 #ifdef HAVE_STRING_H
  60 #   include <string.h>                                         /* strerror() */
  61 #endif
  62
  63 #ifdef HAVE_SYS_TYPES_H
  64 #   include <sys/types.h>
  65 #endif
  66
  67 /*****************************************************************************
  68  * Basic types definitions
  69  *****************************************************************************/
  70 #if defined( HAVE_STDINT_H )
  71 #   include <stdint.h>
  72 #elif defined( HAVE_INTTYPES_H )
  73 #   include <inttypes.h>
  74 #elif defined( SYS_CYGWIN )
  75 #   include <sys/types.h>
  76     /* Cygwin only defines half of these... */
  77     typedef u_int8_t            uint8_t;
  78     typedef u_int16_t           uint16_t;
  79     typedef u_int32_t           uint32_t;
  80     typedef u_int64_t           uint64_t;
  81 #else
  82     /* Fallback types (very x86-centric, sorry) */
  83     typedef unsigned char       uint8_t;
  84     typedef signed char         int8_t;
  85     typedef unsigned short      uint16_t;
  86     typedef signed short        int16_t;
  87     typedef unsigned int        uint32_t;
  88     typedef signed int          int32_t;
  89 #   if defined( _MSC_VER ) \
  90       || defined( UNDER_CE ) \
  91       || ( defined( WIN32 ) && !defined( __MINGW32__ ) )
  92     typedef unsigned __int64    uint64_t;
  93     typedef signed __int64      int64_t;
  94 #   else
  95     typedef unsigned long long  uint64_t;
  96     typedef signed long long    int64_t;
  97 #   endif
  98     typedef uint32_t            uintptr_t;
  99     typedef int32_t             intptr_t;
 100 #endif
 101
 102 typedef uint8_t                 byte_t;
 103
 104 /* ptrdiff_t definition */
 105 #ifdef HAVE_STDDEF_H
 106 #   include <stddef.h>
 107 #else
 108 #   include <malloc.h>
 109 #   ifndef _PTRDIFF_T
 110 #       define _PTRDIFF_T
 111 /* Not portable in a 64-bit environment. */
 112 typedef int                 ptrdiff_t;
 113 #   endif
 114 #endif
 115
 116 #if defined( WIN32 )
 117 #   include <malloc.h>
 118 #   ifndef PATH_MAX
 119 #       define PATH_MAX MAX_PATH
 120 #   endif
 121 #endif
 122
 123 #if (defined( WIN32 ) || defined( UNDER_CE )) && !defined( _SSIZE_T_ )
 124 typedef int                 ssize_t;
 125 #endif
 126
 127 /* Counter for statistics and profiling */
 128 typedef unsigned long       count_t;
 129
 130 /* DCT elements types */
 131 typedef int16_t             dctelem_t;
 132
 133 /* Video buffer types */
 134 typedef uint8_t             yuv_data_t;
 135
 136 /* Audio volume */
 137 typedef uint16_t            audio_volume_t;
 138
 139 #ifndef HAVE_SOCKLEN_T
 140 typedef int                 socklen_t;
 141 #endif
 142
 143 /**
 144  * High precision date or time interval
 145  *
 146  * Store a high precision date or time interval. The maximum precision is the
 147  * microsecond, and a 64 bits integer is used to avoid overflows (maximum
 148  * time interval is then 292271 years, which should be long enough for any
 149  * video). Dates are stored as microseconds since a common date (usually the
 150  * epoch). Note that date and time intervals can be manipulated using regular
 151  * arithmetic operators, and that no special functions are required.
 152  */
 153 typedef int64_t mtime_t;
 154
 155 /**
 156  * The vlc_fourcc_t type.
 157  *
 158  * See http://www.webartz.com/fourcc/ for a very detailed list.
 159  */
 160 typedef uint32_t vlc_fourcc_t;
 161
 162 #ifdef WORDS_BIGENDIAN
 163 #   define VLC_FOURCC( a, b, c, d ) \
 164         ( ((uint32_t)d) | ( ((uint32_t)c) << 8 ) \
 165            | ( ((uint32_t)b) << 16 ) | ( ((uint32_t)a) << 24 ) )
 166 #   define VLC_TWOCC( a, b ) \
 167         ( (uint16_t)(b) | ( (uint16_t)(a) << 8 ) )
 168
 169 #else
 170 #   define VLC_FOURCC( a, b, c, d ) \
 171         ( ((uint32_t)a) | ( ((uint32_t)b) << 8 ) \
 172            | ( ((uint32_t)c) << 16 ) | ( ((uint32_t)d) << 24 ) )
 173 #   define VLC_TWOCC( a, b ) \
 174         ( (uint16_t)(a) | ( (uint16_t)(b) << 8 ) )
 175
 176 #endif
 177
 178 /*****************************************************************************
 179  * Classes declaration
 180  *****************************************************************************/
 181
 182 /* Internal types */
 183 typedef struct libvlc_t libvlc_t;
 184 typedef struct vlc_t vlc_t;
 185 typedef struct variable_t variable_t;
 186
 187 /* Messages */
 188 typedef struct msg_bank_t msg_bank_t;
 189 typedef struct msg_subscription_t msg_subscription_t;
 190
 191 /* Playlist */
 192 typedef struct playlist_t playlist_t;
 193 typedef struct playlist_item_t playlist_item_t;
 194 typedef struct playlist_group_t playlist_group_t;
 195 typedef struct item_info_t item_info_t;
 196 typedef struct item_info_category_t item_info_category_t;
 197 typedef struct playlist_export_t playlist_export_t;
 198
 199 /* Modules */
 200 typedef struct module_bank_t module_bank_t;
 201 typedef struct module_t module_t;
 202 typedef struct module_config_t module_config_t;
 203 typedef struct module_symbols_t module_symbols_t;
 204
 205 /* Interface */
 206 typedef struct intf_thread_t intf_thread_t;
 207 typedef struct intf_sys_t intf_sys_t;
 208 typedef struct intf_console_t intf_console_t;
 209 typedef struct intf_msg_t intf_msg_t;
 210 typedef struct intf_channel_t intf_channel_t;
 211
 212 /* Input */
 213 typedef struct input_thread_t input_thread_t;
 214 typedef struct input_thread_sys_t input_thread_sys_t;
 215 typedef struct input_area_t input_area_t;
 216 typedef struct input_buffers_t input_buffers_t;
 217 typedef struct input_socket_t input_socket_t;
 218 typedef struct input_info_t input_info_t;
 219 typedef struct input_info_category_t input_info_category_t;
 220 typedef struct access_sys_t access_sys_t;
 221 typedef struct demux_sys_t demux_sys_t;
 222 typedef struct es_descriptor_t es_descriptor_t;
 223 typedef struct es_sys_t es_sys_t;
 224 typedef struct pgrm_descriptor_t pgrm_descriptor_t;
 225 typedef struct pgrm_sys_t pgrm_sys_t;
 226 typedef struct stream_descriptor_t stream_descriptor_t;
 227
 228 /* Format */
 229 typedef struct audio_format_t audio_format_t;
 230 typedef struct video_format_t video_format_t;
 231 typedef struct subs_format_t subs_format_t;
 232 typedef struct es_format_t es_format_t;
 233 typedef struct video_palette_t video_palette_t;
 234
 235 /* NInput */
 236 typedef struct stream_sys_t stream_sys_t;
 237 typedef struct stream_t     stream_t;
 238 typedef struct es_out_t     es_out_t;
 239 typedef struct es_out_id_t  es_out_id_t;
 240 typedef struct es_out_sys_t es_out_sys_t;
 241 typedef struct demux_t  demux_t;
 242
 243 /* Audio */
 244 typedef struct aout_instance_t aout_instance_t;
 245 typedef struct aout_sys_t aout_sys_t;
 246 typedef struct aout_fifo_t aout_fifo_t;
 247 typedef struct aout_input_t aout_input_t;
 248 typedef struct aout_buffer_t aout_buffer_t;
 249 typedef audio_format_t audio_sample_format_t;
 250 typedef struct audio_date_t audio_date_t;
 251 typedef struct aout_filter_t aout_filter_t;
 252
 253 /* Video */
 254 typedef struct vout_thread_t vout_thread_t;
 255 typedef struct vout_sys_t vout_sys_t;
 256 typedef struct chroma_sys_t chroma_sys_t;
 257 typedef video_format_t video_frame_format_t;
 258 typedef struct picture_t picture_t;
 259 typedef struct picture_sys_t picture_sys_t;
 260 typedef struct picture_heap_t picture_heap_t;
 261 typedef struct subpicture_t subpicture_t;
 262 typedef struct subpicture_sys_t subpicture_sys_t;
 263 typedef struct vout_synchro_t vout_synchro_t;
 264 typedef struct text_renderer_sys_t text_renderer_sys_t;
 265 typedef struct text_style_t text_style_t;
 266
 267 /* Stream output */
 268 typedef struct sout_instance_t sout_instance_t;
 269 typedef struct sout_fifo_t sout_fifo_t;
 270 typedef struct sout_input_t sout_input_t;
 271 typedef struct sout_packetizer_input_t sout_packetizer_input_t;
 272 typedef struct sout_buffer_t sout_buffer_t;
 273 typedef struct sout_access_out_t sout_access_out_t;
 274 typedef struct sout_mux_t sout_mux_t;
 275 typedef struct sout_stream_t    sout_stream_t;
 276 typedef struct sout_cfg_t       sout_cfg_t;
 277 /*typedef struct sap_session_t    sap_session_t;
 278 typedef struct slp_session_t    slp_session_t;*/
 279
 280 /* Decoders */
 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 network_socket_t network_socket_t;
 295 typedef struct iso639_lang_t iso639_lang_t;
 296
 297 /* block */
 298 typedef struct block_t      block_t;
 299 typedef struct block_fifo_t block_fifo_t;
 300
 301 /* httpd */
 302 typedef struct httpd_t          httpd_t;
 303 typedef struct httpd_host_t     httpd_host_t;
 304 typedef struct httpd_url_t      httpd_url_t;
 305 typedef struct httpd_client_t   httpd_client_t;
 306 typedef struct httpd_callback_sys_t httpd_callback_sys_t;
 307 typedef struct httpd_message_t  httpd_message_t;
 308 typedef int    (*httpd_callback_t)( httpd_callback_sys_t *, httpd_client_t *, httpd_message_t *answer, httpd_message_t *query );
 309 typedef struct httpd_file_t     httpd_file_t;
 310 typedef struct httpd_file_sys_t httpd_file_sys_t;
 311 typedef int (*httpd_file_callback_t)( httpd_file_sys_t*, httpd_file_t *, uint8_t *psz_request, uint8_t **pp_data, int *pi_data );
 312 typedef struct httpd_redirect_t httpd_redirect_t;
 313 typedef struct httpd_stream_t httpd_stream_t;
 314
 315
 316 /*****************************************************************************
 317  * Variable callbacks
 318  *****************************************************************************/
 319 typedef int ( * vlc_callback_t ) ( vlc_object_t *,      /* variable's object */
 320                                    char const *,            /* variable name */
 321                                    vlc_value_t,                 /* old value */
 322                                    vlc_value_t,                 /* new value */
 323                                    void * );                /* callback data */
 324
 325 /*****************************************************************************
 326  * Plug-in stuff
 327  *****************************************************************************/
 328 #ifndef __PLUGIN__
 329 #   define VLC_EXPORT( type, name, args ) type name args
 330 #else
 331 #   define VLC_EXPORT( type, name, args ) struct _u_n_u_s_e_d_
 332     extern module_symbols_t* p_symbols;
 333 #endif
 334
 335 /*****************************************************************************
 336  * OS-specific headers and thread types
 337  *****************************************************************************/
 338 #if defined( WIN32 ) || defined( UNDER_CE )
 339 #   define WIN32_LEAN_AND_MEAN
 340 #   include <windows.h>
 341 #   define IS_WINNT ( GetVersion() < 0x80000000 )
 342 #endif
 343
 344 #include "vlc_threads.h"
 345
 346 /*****************************************************************************
 347  * Common structure members
 348  *****************************************************************************/
 349
 350 /* VLC_COMMON_MEMBERS : members common to all basic vlc objects */
 351 #define VLC_COMMON_MEMBERS                                                  \
 352 /** \name VLC_COMMON_MEMBERS                                                \
 353  * these members are common for all vlc objects                             \
 354  */                                                                         \
 355 /**@{*/                                                                     \
 356     int   i_object_id;                                                      \
 357     int   i_object_type;                                                    \
 358     char *psz_object_type;                                                  \
 359     char *psz_object_name;                                                  \
 360                                                                             \
 361     /* Thread properties, if any */                                         \
 362     vlc_bool_t   b_thread;                                                  \
 363     vlc_thread_t thread_id;                                                 \
 364                                                                             \
 365     /* Object access lock */                                                \
 366     vlc_mutex_t  object_lock;                                               \
 367     vlc_cond_t   object_wait;                                               \
 368                                                                             \
 369     /* Object properties */                                                 \
 370     volatile vlc_bool_t b_error;                  /**< set by the object */ \
 371     volatile vlc_bool_t b_die;                   /**< set by the outside */ \
 372     volatile vlc_bool_t b_dead;                   /**< set by the object */ \
 373     volatile vlc_bool_t b_attached;               /**< set by the object */ \
 374                                                                             \
 375     /* Object variables */                                                  \
 376     vlc_mutex_t     var_lock;                                               \
 377     int             i_vars;                                                 \
 378     variable_t *    p_vars;                                                 \
 379                                                                             \
 380     /* Stuff related to the libvlc structure */                             \
 381     libvlc_t *      p_libvlc;                      /**< root of all evil */ \
 382     vlc_t *         p_vlc;                   /**< (root of all evil) - 1 */ \
 383                                                                             \
 384     volatile int    i_refcount;                         /**< usage count */ \
 385     vlc_object_t *  p_parent;                            /**< our parent */ \
 386     vlc_object_t ** pp_children;                       /**< our children */ \
 387     volatile int    i_children;                                             \
 388                                                                             \
 389     /* Private data */                                                      \
 390     void *          p_private;                                              \
 391                                                                             \
 392     /** Just a reminder so that people don't cast garbage */                \
 393     int be_sure_to_add_VLC_COMMON_MEMBERS_to_struct;                        \
 394 /**@}*/                                                                     \
 395
 396 /* VLC_OBJECT: attempt at doing a clever cast */
 397 #define VLC_OBJECT( x ) \
 398     ((vlc_object_t *)(x))+0*(x)->be_sure_to_add_VLC_COMMON_MEMBERS_to_struct
 399
 400 /*****************************************************************************
 401  * Macros and inline functions
 402  *****************************************************************************/
 403 #ifdef NTOHL_IN_SYS_PARAM_H
 404 #   include <sys/param.h>
 405
 406 #elif !defined(WIN32) && !defined( UNDER_CE )
 407 #   include <netinet/in.h>
 408
 409 #endif /* NTOHL_IN_SYS_PARAM_H || WIN32 */
 410
 411 /* CEIL: division with round to nearest greater integer */
 412 #define CEIL(n, d)  ( ((n) / (d)) + ( ((n) % (d)) ? 1 : 0) )
 413
 414 /* PAD: PAD(n, d) = CEIL(n ,d) * d */
 415 #define PAD(n, d)   ( ((n) % (d)) ? ((((n) / (d)) + 1) * (d)) : (n) )
 416
 417 /* __MAX and __MIN: self explanatory */
 418 #ifndef __MAX
 419 #   define __MAX(a, b)   ( ((a) > (b)) ? (a) : (b) )
 420 #endif
 421 #ifndef __MIN
 422 #   define __MIN(a, b)   ( ((a) < (b)) ? (a) : (b) )
 423 #endif
 424
 425 /* Dynamic array handling: realloc array, move data, increment position */
 426 #define INSERT_ELEM( p_ar, i_oldsize, i_pos, elem )                           \
 427     do                                                                        \
 428     {                                                                         \
 429         if( i_oldsize )                                                       \
 430         {                                                                     \
 431             (p_ar) = realloc( p_ar, ((i_oldsize) + 1) * sizeof( *(p_ar) ) );  \
 432         }                                                                     \
 433         else                                                                  \
 434         {                                                                     \
 435             (p_ar) = malloc( ((i_oldsize) + 1) * sizeof( *(p_ar) ) );         \
 436         }                                                                     \
 437         if( (i_oldsize) - (i_pos) )                                           \
 438         {                                                                     \
 439             memmove( (p_ar) + (i_pos) + 1,                                    \
 440                      (p_ar) + (i_pos),                                        \
 441                      ((i_oldsize) - (i_pos)) * sizeof( *(p_ar) ) );           \
 442         }                                                                     \
 443         (p_ar)[i_pos] = elem;                                                 \
 444         (i_oldsize)++;                                                        \
 445     }                                                                         \
 446     while( 0 )
 447
 448 #define REMOVE_ELEM( p_ar, i_oldsize, i_pos )                                 \
 449     do                                                                        \
 450     {                                                                         \
 451         if( (i_oldsize) - (i_pos) - 1 )                                       \
 452         {                                                                     \
 453             memmove( (p_ar) + (i_pos),                                        \
 454                      (p_ar) + (i_pos) + 1,                                    \
 455                      ((i_oldsize) - (i_pos) - 1) * sizeof( *(p_ar) ) );       \
 456         }                                                                     \
 457         if( i_oldsize > 1 )                                                   \
 458         {                                                                     \
 459             (p_ar) = realloc( p_ar, ((i_oldsize) - 1) * sizeof( *(p_ar) ) );  \
 460         }                                                                     \
 461         else                                                                  \
 462         {                                                                     \
 463             free( p_ar );                                                     \
 464             (p_ar) = NULL;                                                    \
 465         }                                                                     \
 466         (i_oldsize)--;                                                        \
 467     }                                                                         \
 468     while( 0 )
 469
 470
 471 #define TAB_APPEND( count, tab, p )             \
 472     if( (count) > 0 )                           \
 473     {                                           \
 474         (void *)(tab) = realloc( tab, sizeof( void ** ) * ( (count) + 1 ) ); \
 475     }                                           \
 476     else                                        \
 477     {                                           \
 478         (void *)(tab) = malloc( sizeof( void ** ) );    \
 479     }                                           \
 480     ((void**)(tab))[count] = (void*)(p);        \
 481     (count)++
 482
 483 #define TAB_FIND( count, tab, p, index )        \
 484     {                                           \
 485         int _i_;                                \
 486         (index) = -1;                           \
 487         for( _i_ = 0; _i_ < (count); _i_++ )    \
 488         {                                       \
 489             if( ((void**)(tab))[_i_] == (void*)(p) )  \
 490             {                                   \
 491                 (index) = _i_;                  \
 492                 break;                          \
 493             }                                   \
 494         }                                       \
 495     }
 496
 497 #define TAB_REMOVE( count, tab, p )             \
 498     {                                           \
 499         int _i_index_;                          \
 500         TAB_FIND( count, tab, p, _i_index_ );   \
 501         if( _i_index_ >= 0 )                    \
 502         {                                       \
 503             if( (count) > 1 )                     \
 504             {                                   \
 505                 memmove( ((void**)(tab) + _i_index_),    \
 506                          ((void**)(tab) + _i_index_+1),  \
 507                          ( (count) - _i_index_ - 1 ) * sizeof( void* ) );\
 508             }                                   \
 509             (count)--;                          \
 510             if( (count) == 0 )                  \
 511             {                                   \
 512                 free( tab );                    \
 513                 (tab) = NULL;                   \
 514             }                                   \
 515         }                                       \
 516     }
 517
 518 /* MSB (big endian)/LSB (little endian) conversions - network order is always
 519  * MSB, and should be used for both network communications and files. Note that
 520  * byte orders other than little and big endians are not supported, but only
 521  * the VAX seems to have such exotic properties. */
 522 static inline uint16_t U16_AT( void const * _p )
 523 {
 524     uint8_t * p = (uint8_t *)_p;
 525     return ( ((uint16_t)p[0] << 8) | p[1] );
 526 }
 527 static inline uint32_t U32_AT( void const * _p )
 528 {
 529     uint8_t * p = (uint8_t *)_p;
 530     return ( ((uint32_t)p[0] << 24) | ((uint32_t)p[1] << 16)
 531               | ((uint32_t)p[2] << 8) | p[3] );
 532 }
 533 static inline uint64_t U64_AT( void const * _p )
 534 {
 535     uint8_t * p = (uint8_t *)_p;
 536     return ( ((uint64_t)p[0] << 56) | ((uint64_t)p[1] << 48)
 537               | ((uint64_t)p[2] << 40) | ((uint64_t)p[3] << 32)
 538               | ((uint64_t)p[4] << 24) | ((uint64_t)p[5] << 16)
 539               | ((uint64_t)p[6] << 8) | p[7] );
 540 }
 541
 542 static inline uint16_t GetWLE( void const * _p )
 543 {
 544     uint8_t * p = (uint8_t *)_p;
 545     return ( ((uint16_t)p[1] << 8) | p[0] );
 546 }
 547 static inline uint32_t GetDWLE( void const * _p )
 548 {
 549     uint8_t * p = (uint8_t *)_p;
 550     return ( ((uint32_t)p[3] << 24) | ((uint32_t)p[2] << 16)
 551               | ((uint32_t)p[1] << 8) | p[0] );
 552 }
 553 static inline uint64_t GetQWLE( void const * _p )
 554 {
 555     uint8_t * p = (uint8_t *)_p;
 556     return ( ((uint64_t)p[7] << 56) | ((uint64_t)p[6] << 48)
 557               | ((uint64_t)p[5] << 40) | ((uint64_t)p[4] << 32)
 558               | ((uint64_t)p[3] << 24) | ((uint64_t)p[2] << 16)
 559               | ((uint64_t)p[1] << 8) | p[0] );
 560 }
 561
 562 #define GetWBE( p )     U16_AT( p )
 563 #define GetDWBE( p )    U32_AT( p )
 564 #define GetQWBE( p )    U64_AT( p )
 565
 566 /* Helper writer functions */
 567
 568 #define SetWLE( p, v ) _SetWLE( (uint8_t*)p, v)
 569 static inline void _SetWLE( uint8_t *p, uint16_t i_dw )
 570 {
 571     p[1] = ( i_dw >>  8 )&0xff;
 572     p[0] = ( i_dw       )&0xff;
 573 }
 574
 575 #define SetDWLE( p, v ) _SetDWLE( (uint8_t*)p, v)
 576 static inline void _SetDWLE( uint8_t *p, uint32_t i_dw )
 577 {
 578     p[3] = ( i_dw >> 24 )&0xff;
 579     p[2] = ( i_dw >> 16 )&0xff;
 580     p[1] = ( i_dw >>  8 )&0xff;
 581     p[0] = ( i_dw       )&0xff;
 582 }
 583 #define SetQWLE( p, v ) _SetQWLE( (uint8_t*)p, v)
 584 static inline void _SetQWLE( uint8_t *p, uint64_t i_qw )
 585 {
 586     SetDWLE( p,   i_qw&0xffffffff );
 587     SetDWLE( p+4, ( i_qw >> 32)&0xffffffff );
 588 }
 589
 590 #if WORDS_BIGENDIAN
 591 #   define hton16(i)   ( i )
 592 #   define hton32(i)   ( i )
 593 #   define hton64(i)   ( i )
 594 #   define ntoh16(i)   ( i )
 595 #   define ntoh32(i)   ( i )
 596 #   define ntoh64(i)   ( i )
 597 #else
 598 #   define hton16(i)   U16_AT(&i)
 599 #   define hton32(i)   U32_AT(&i)
 600 #   define hton64(i)   U64_AT(&i)
 601 #   define ntoh16(i)   U16_AT(&i)
 602 #   define ntoh32(i)   U32_AT(&i)
 603 #   define ntoh64(i)   U64_AT(&i)
 604 #endif
 605
 606 /* Format string sanity checks */
 607 #ifdef HAVE_ATTRIBUTE_FORMAT
 608 #   define ATTRIBUTE_FORMAT(x,y) __attribute__ ((format(printf,x,y)))
 609 #else
 610 #   define ATTRIBUTE_FORMAT(x,y)
 611 #endif
 612
 613 /* Alignment of critical static data structures */
 614 #ifdef ATTRIBUTE_ALIGNED_MAX
 615 #   define ATTR_ALIGN(align) __attribute__ ((__aligned__ ((ATTRIBUTE_ALIGNED_MAX < align) ? ATTRIBUTE_ALIGNED_MAX : align)))
 616 #else
 617 #   define ATTR_ALIGN(align)
 618 #endif
 619
 620 /* Alignment of critical dynamic data structure
 621  *
 622  * Not all platforms support memalign so we provide a vlc_memalign wrapper
 623  * void *vlc_memalign( size_t align, size_t size, void **pp_orig )
 624  * *pp_orig is the pointer that has to be freed afterwards.
 625  */
 626 #if 0
 627 #ifdef HAVE_POSIX_MEMALIGN
 628 #   define vlc_memalign(align,size,pp_orig) \
 629     ( !posix_memalign( pp_orig, align, size ) ? *(pp_orig) : NULL )
 630 #endif
 631 #endif
 632 #ifdef HAVE_MEMALIGN
 633     /* Some systems have memalign() but no declaration for it */
 634     void * memalign( size_t align, size_t size );
 635
 636 #   define vlc_memalign(pp_orig,align,size) \
 637     ( *(pp_orig) = memalign( align, size ) )
 638
 639 #else /* We don't have any choice but to align manually */
 640 #   define vlc_memalign(pp_orig,align,size) \
 641     (( *(pp_orig) = malloc( size + align - 1 )) \
 642         ? (void *)( (((unsigned long)*(pp_orig)) + (unsigned long)(align-1) ) \
 643                        & (~(unsigned long)(align-1)) ) \
 644         : NULL )
 645
 646 #endif
 647
 648 /* Stuff defined in src/extras/libc.c */
 649 #ifndef HAVE_STRDUP
 650 #   define strdup vlc_strdup
 651     VLC_EXPORT( char *, vlc_strdup, ( const char *s ) );
 652 #elif !defined(__PLUGIN__)
 653 #   define vlc_strdup NULL
 654 #endif
 655
 656 #if !defined(HAVE_VASPRINTF) || defined(SYS_DARWIN) || defined(SYS_BEOS)
 657 #   define vasprintf vlc_vasprintf
 658     VLC_EXPORT( int, vlc_vasprintf, (char **, const char *, va_list ) );
 659 #elif !defined(__PLUGIN__)
 660 #   define vlc_vasprintf NULL
 661 #endif
 662
 663 #if !defined(HAVE_ASPRINTF) || defined(SYS_DARWIN) || defined(SYS_BEOS)
 664 #   define asprintf vlc_asprintf
 665     VLC_EXPORT( int, vlc_asprintf, (char **, const char *, ... ) );
 666 #elif !defined(__PLUGIN__)
 667 #   define vlc_asprintf NULL
 668 #endif
 669
 670 #ifndef HAVE_STRNDUP
 671 #   if defined(STRNDUP_IN_GNOME_H) && \
 672         (defined(MODULE_NAME_IS_gnome)||defined(MODULE_NAME_IS_gnome_main)||\
 673          defined(MODULE_NAME_IS_gnome2)||defined(MODULE_NAME_IS_gnome2_main))
 674         /* Do nothing: gnome.h defines strndup for us */
 675 #   else
 676 #       define strndup vlc_strndup
 677         VLC_EXPORT( char *, vlc_strndup, ( const char *s, size_t n ) );
 678 #   endif
 679 #elif !defined(__PLUGIN__)
 680 #   define vlc_strndup NULL
 681 #endif
 682
 683 #ifndef HAVE_ATOF
 684 #   define atof vlc_atof
 685     VLC_EXPORT( double, vlc_atof, ( const char *nptr ) );
 686 #elif !defined(__PLUGIN__)
 687 #   define vlc_atof NULL
 688 #endif
 689
 690 #ifndef HAVE_ATOLL
 691 #   define atoll vlc_atoll
 692     VLC_EXPORT( int64_t, vlc_atoll, ( const char *nptr ) );
 693 #elif !defined(__PLUGIN__)
 694 #   define vlc_atoll NULL
 695 #endif
 696
 697 #ifndef HAVE_GETENV
 698 #   define getenv vlc_getenv
 699     VLC_EXPORT( char *, vlc_getenv, ( const char *name ) );
 700 #elif !defined(__PLUGIN__)
 701 #   define vlc_getenv NULL
 702 #endif
 703
 704 #ifndef HAVE_STRCASECMP
 705 #   ifdef HAVE_STRICMP
 706 #       define strcasecmp stricmp
 707 #       if !defined(__PLUGIN__)
 708 #           define vlc_strcasecmp NULL
 709 #       endif
 710 #   elif !defined(__PLUGIN__)
 711 #       define strcasecmp vlc_strcasecmp
 712         VLC_EXPORT( int, vlc_strcasecmp, ( const char *s1, const char *s2 ) );
 713 #   endif
 714 #elif !defined(__PLUGIN__)
 715 #   define vlc_strcasecmp NULL
 716 #endif
 717
 718 #ifndef HAVE_STRNCASECMP
 719 #   ifdef HAVE_STRNICMP
 720 #       define strncasecmp strnicmp
 721 #       if !defined(__PLUGIN__)
 722 #           define vlc_strncasecmp NULL
 723 #       endif
 724 #   elif !defined(__PLUGIN__)
 725 #       define strncasecmp vlc_strncasecmp
 726         VLC_EXPORT( int, vlc_strncasecmp, ( const char *s1, const char *s2, size_t n ) );
 727 #   endif
 728 #elif !defined(__PLUGIN__)
 729 #   define vlc_strncasecmp NULL
 730 #endif
 731
 732 /* Format type specifiers for 64 bits numbers */
 733 #if !defined(WIN32) && !defined(UNDER_CE)
 734 #   define I64Fd "%lld"
 735 #   define I64Fi "%lli"
 736 #   define I64Fo "%llo"
 737 #   define I64Fu "%llu"
 738 #   define I64Fx "%llx"
 739 #   define I64FX "%llX"
 740 #else
 741 #   define I64Fd "%I64d"
 742 #   define I64Fi "%I64i"
 743 #   define I64Fo "%I64o"
 744 #   define I64Fu "%I64u"
 745 #   define I64Fx "%I64x"
 746 #   define I64FX "%I64X"
 747 #endif /* defined(WIN32)||defined(UNDER_CE) */
 748
 749 /* 64 bits integer constant suffix */
 750 #if defined( __MINGW32__ ) || (!defined(WIN32) && !defined(UNDER_CE))
 751 #   define I64C(x)         x##LL
 752 #   define UI64C(x)        x##ULL
 753 #else
 754 #   define I64C(x)         x##i64
 755 #   define UI64C(x)        x##ui64
 756 #endif /* defined(WIN32)||defined(UNDER_CE) */
 757
 758 #if defined(WIN32) || defined(UNDER_CE)
 759 /* win32, cl and icl support */
 760 #   if defined( _MSC_VER ) || !defined( __MINGW32__ )
 761 #       define __attribute__(x)
 762 #       define __inline__      __inline
 763 #       define S_IFBLK         0x3000  /* Block */
 764 #       define S_ISBLK(m)      (0)
 765 #       define S_ISCHR(m)      (0)
 766 #       define S_ISFIFO(m)     (((m)&_S_IFMT) == _S_IFIFO)
 767 #       define S_ISREG(m)      (((m)&_S_IFMT) == _S_IFREG)
 768 #   endif
 769
 770 /* several type definitions */
 771 #   if defined( __MINGW32__ )
 772 #       if !defined( _OFF_T_ )
 773 typedef long long _off_t;
 774 typedef _off_t off_t;
 775 #           define _OFF_T_
 776 #       else
 777 #           ifdef off_t
 778 #               undef off_t
 779 #           endif
 780 #           define off_t long long
 781 #       endif
 782 #   endif
 783
 784 #   if defined( _MSC_VER )
 785 #       if !defined( _OFF_T_DEFINED )
 786 typedef __int64 off_t;
 787 #           define _OFF_T_DEFINED
 788 #       else
 789 #           define off_t __int64
 790 #       endif
 791 #   endif
 792
 793 #   if defined( __BORLANDC__ )
 794 #       undef off_t
 795 #       define off_t unsigned __int64
 796 #   endif
 797
 798 #   ifndef O_NONBLOCK
 799 #       define O_NONBLOCK 0
 800 #   endif
 801
 802 #   ifndef alloca
 803 #       define alloca _alloca
 804 #   endif
 805
 806     /* These two are not defined in mingw32 (bug?) */
 807 #   ifndef snprintf
 808 #       define snprintf _snprintf
 809 #   endif
 810 #   ifndef vsnprintf
 811 #       define vsnprintf _vsnprintf
 812 #   endif
 813
 814 #endif
 815
 816 /* lseek (defined in src/extras/libc.c) */
 817 #ifndef HAVE_LSEEK
 818 #   define lseek vlc_lseek
 819     VLC_EXPORT( off_t, vlc_lseek, ( int fildes, off_t offset, int whence ) );
 820 #elif !defined(__PLUGIN__)
 821 #   define vlc_lseek NULL
 822 #endif
 823
 824 /* vlc_wraptext (defined in src/extras/libc.c) */
 825 #define wraptext vlc_wraptext
 826 VLC_EXPORT( char *, vlc_wraptext, ( const char *, int, vlc_bool_t ) );
 827
 828 /*****************************************************************************
 829  * CPU capabilities
 830  *****************************************************************************/
 831 #define CPU_CAPABILITY_NONE    0
 832 #define CPU_CAPABILITY_486     (1<<0)
 833 #define CPU_CAPABILITY_586     (1<<1)
 834 #define CPU_CAPABILITY_PPRO    (1<<2)
 835 #define CPU_CAPABILITY_MMX     (1<<3)
 836 #define CPU_CAPABILITY_3DNOW   (1<<4)
 837 #define CPU_CAPABILITY_MMXEXT  (1<<5)
 838 #define CPU_CAPABILITY_SSE     (1<<6)
 839 #define CPU_CAPABILITY_SSE2    (1<<7)
 840 #define CPU_CAPABILITY_ALTIVEC (1<<16)
 841 #define CPU_CAPABILITY_FPU     (1<<31)
 842
 843 /*****************************************************************************
 844  * I18n stuff
 845  *****************************************************************************/
 846 VLC_EXPORT( char *, vlc_dgettext, ( const char *package, const char *msgid ) );
 847
 848 #if defined( ENABLE_NLS ) && \
 849      (defined(MODULE_NAME_IS_gnome)||defined(MODULE_NAME_IS_gnome_main)||\
 850       defined(MODULE_NAME_IS_gnome2)||defined(MODULE_NAME_IS_gnome2_main)||\
 851       defined(MODULE_NAME_IS_pda))
 852     /* Declare nothing: gnome.h will do it for us */
 853 #elif defined( ENABLE_NLS )
 854 #if defined( HAVE_INCLUDED_GETTEXT )
 855 #   include "libintl.h"
 856 #else
 857 #   include <libintl.h>
 858 #endif
 859 #   undef _
 860 #if defined( __BORLANDC__ )
 861 #define _(String) vlc_dgettext (PACKAGE_TARNAME, String)
 862 #else
 863 #   define _(String) vlc_dgettext (PACKAGE, String)
 864 #endif
 865 #   define N_(String) ((char*)(String))
 866 #else
 867 #   define _(String) ((char*)(String))
 868 #   define N_(String) ((char*)(String))
 869 #endif
 870
 871 /*****************************************************************************
 872  * Additional vlc stuff
 873  *****************************************************************************/
 874 #include "vlc_symbols.h"
 875 #include "os_specific.h"
 876 #include "vlc_messages.h"
 877 #include "variables.h"
 878 #include "vlc_objects.h"
 879 #include "vlc_threads_funcs.h"
 880 #include "mtime.h"
 881 #include "modules.h"
 882 #include "main.h"
 883 #include "configuration.h"
 884
 885 #if defined( __BORLANDC__ )
 886 #   undef PACKAGE
 887 #   define PACKAGE
 888 #endif
 889