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 1.109 2004/02/23 20:34:47 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 <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 typedef struct playlist_export_t playlist_export_t;
 196
 197 /* Modules */
 198 typedef struct module_bank_t module_bank_t;
 199 typedef struct module_t module_t;
 200 typedef struct module_config_t module_config_t;
 201 typedef struct module_symbols_t module_symbols_t;
 202
 203 /* Interface */
 204 typedef struct intf_thread_t intf_thread_t;
 205 typedef struct intf_sys_t intf_sys_t;
 206 typedef struct intf_console_t intf_console_t;
 207 typedef struct intf_msg_t intf_msg_t;
 208 typedef struct intf_channel_t intf_channel_t;
 209
 210 /* Input */
 211 typedef struct input_thread_t input_thread_t;
 212 typedef struct input_thread_sys_t input_thread_sys_t;
 213 typedef struct input_area_t input_area_t;
 214 typedef struct input_buffers_t input_buffers_t;
 215 typedef struct input_socket_t input_socket_t;
 216 typedef struct input_info_t input_info_t;
 217 typedef struct input_info_category_t input_info_category_t;
 218 typedef struct access_sys_t access_sys_t;
 219 typedef struct demux_sys_t demux_sys_t;
 220 typedef struct es_descriptor_t es_descriptor_t;
 221 typedef struct es_sys_t es_sys_t;
 222 typedef struct pgrm_descriptor_t pgrm_descriptor_t;
 223 typedef struct pgrm_sys_t pgrm_sys_t;
 224 typedef struct stream_descriptor_t stream_descriptor_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 typedef struct video_palette_t video_palette_t;
 232
 233 /* NInput */
 234 typedef struct stream_sys_t stream_sys_t;
 235 typedef struct stream_t     stream_t;
 236 typedef struct es_out_t     es_out_t;
 237 typedef struct es_out_id_t  es_out_id_t;
 238 typedef struct es_out_sys_t es_out_sys_t;
 239 typedef struct demux_t  demux_t;
 240
 241 /* Audio */
 242 typedef struct aout_instance_t aout_instance_t;
 243 typedef struct aout_sys_t aout_sys_t;
 244 typedef struct aout_fifo_t aout_fifo_t;
 245 typedef struct aout_input_t aout_input_t;
 246 typedef struct aout_buffer_t aout_buffer_t;
 247 typedef audio_format_t audio_sample_format_t;
 248 typedef struct audio_date_t audio_date_t;
 249 typedef struct aout_filter_t aout_filter_t;
 250
 251 /* Video */
 252 typedef struct vout_thread_t vout_thread_t;
 253 typedef struct vout_sys_t vout_sys_t;
 254 typedef struct chroma_sys_t chroma_sys_t;
 255 typedef video_format_t video_frame_format_t;
 256 typedef struct picture_t picture_t;
 257 typedef struct picture_sys_t picture_sys_t;
 258 typedef struct picture_heap_t picture_heap_t;
 259 typedef struct subpicture_t subpicture_t;
 260 typedef struct subpicture_sys_t subpicture_sys_t;
 261 typedef struct vout_synchro_t vout_synchro_t;
 262 typedef struct text_renderer_sys_t text_renderer_sys_t;
 263 typedef struct text_style_t text_style_t;
 264
 265 /* Stream output */
 266 typedef struct sout_instance_t sout_instance_t;
 267 typedef struct sout_fifo_t sout_fifo_t;
 268 typedef struct sout_input_t sout_input_t;
 269 typedef struct sout_packetizer_input_t sout_packetizer_input_t;
 270 typedef struct sout_buffer_t sout_buffer_t;
 271 typedef struct sout_access_out_t sout_access_out_t;
 272 typedef struct sout_mux_t sout_mux_t;
 273 typedef struct sout_stream_t    sout_stream_t;
 274 typedef struct sout_cfg_t       sout_cfg_t;
 275 /*typedef struct sap_session_t    sap_session_t;
 276 typedef struct slp_session_t    slp_session_t;*/
 277
 278 /* Decoders */
 279 typedef struct decoder_t      decoder_t;
 280 typedef struct decoder_sys_t  decoder_sys_t;
 281
 282 /* Encoders */
 283 typedef struct encoder_t      encoder_t;
 284 typedef struct encoder_sys_t  encoder_sys_t;
 285
 286 /* Misc */
 287 typedef struct data_packet_t data_packet_t;
 288 typedef struct data_buffer_t data_buffer_t;
 289 typedef struct stream_position_t stream_position_t;
 290 typedef struct stream_ctrl_t stream_ctrl_t;
 291 typedef struct pes_packet_t pes_packet_t;
 292 typedef struct network_socket_t network_socket_t;
 293 typedef struct iso639_lang_t iso639_lang_t;
 294
 295 /* block */
 296 typedef struct block_t      block_t;
 297 typedef struct block_fifo_t block_fifo_t;
 298
 299 /*****************************************************************************
 300  * Variable callbacks
 301  *****************************************************************************/
 302 typedef int ( * vlc_callback_t ) ( vlc_object_t *,      /* variable's object */
 303                                    char const *,            /* variable name */
 304                                    vlc_value_t,                 /* old value */
 305                                    vlc_value_t,                 /* new value */
 306                                    void * );                /* callback data */
 307
 308 /*****************************************************************************
 309  * Plug-in stuff
 310  *****************************************************************************/
 311 #ifndef __PLUGIN__
 312 #   define VLC_EXPORT( type, name, args ) type name args
 313 #else
 314 #   define VLC_EXPORT( type, name, args ) struct _u_n_u_s_e_d_
 315     extern module_symbols_t* p_symbols;
 316 #endif
 317
 318 /*****************************************************************************
 319  * OS-specific headers and thread types
 320  *****************************************************************************/
 321 #if defined( WIN32 ) || defined( UNDER_CE )
 322 #   define WIN32_LEAN_AND_MEAN
 323 #   include <windows.h>
 324 #   define IS_WINNT ( GetVersion() < 0x80000000 )
 325 #endif
 326
 327 #include "vlc_threads.h"
 328
 329 /*****************************************************************************
 330  * Common structure members
 331  *****************************************************************************/
 332
 333 /* VLC_COMMON_MEMBERS : members common to all basic vlc objects */
 334 #define VLC_COMMON_MEMBERS                                                  \
 335 /** \name VLC_COMMON_MEMBERS                                                \
 336  * these members are common for all vlc objects                             \
 337  */                                                                         \
 338 /**@{*/                                                                     \
 339     int   i_object_id;                                                      \
 340     int   i_object_type;                                                    \
 341     char *psz_object_type;                                                  \
 342     char *psz_object_name;                                                  \
 343                                                                             \
 344     /* Thread properties, if any */                                         \
 345     vlc_bool_t   b_thread;                                                  \
 346     vlc_thread_t thread_id;                                                 \
 347                                                                             \
 348     /* Object access lock */                                                \
 349     vlc_mutex_t  object_lock;                                               \
 350     vlc_cond_t   object_wait;                                               \
 351                                                                             \
 352     /* Object properties */                                                 \
 353     volatile vlc_bool_t b_error;                  /**< set by the object */ \
 354     volatile vlc_bool_t b_die;                   /**< set by the outside */ \
 355     volatile vlc_bool_t b_dead;                   /**< set by the object */ \
 356     volatile vlc_bool_t b_attached;               /**< set by the object */ \
 357                                                                             \
 358     /* Object variables */                                                  \
 359     vlc_mutex_t     var_lock;                                               \
 360     int             i_vars;                                                 \
 361     variable_t *    p_vars;                                                 \
 362                                                                             \
 363     /* Stuff related to the libvlc structure */                             \
 364     libvlc_t *      p_libvlc;                      /**< root of all evil */ \
 365     vlc_t *         p_vlc;                   /**< (root of all evil) - 1 */ \
 366                                                                             \
 367     volatile int    i_refcount;                         /**< usage count */ \
 368     vlc_object_t *  p_parent;                            /**< our parent */ \
 369     vlc_object_t ** pp_children;                       /**< our children */ \
 370     volatile int    i_children;                                             \
 371                                                                             \
 372     /* Private data */                                                      \
 373     void *          p_private;                                              \
 374                                                                             \
 375     /** Just a reminder so that people don't cast garbage */                \
 376     int be_sure_to_add_VLC_COMMON_MEMBERS_to_struct;                        \
 377 /**@}*/                                                                     \
 378
 379 /* VLC_OBJECT: attempt at doing a clever cast */
 380 #define VLC_OBJECT( x ) \
 381     ((vlc_object_t *)(x))+0*(x)->be_sure_to_add_VLC_COMMON_MEMBERS_to_struct
 382
 383 /*****************************************************************************
 384  * Macros and inline functions
 385  *****************************************************************************/
 386 #ifdef NTOHL_IN_SYS_PARAM_H
 387 #   include <sys/param.h>
 388
 389 #elif !defined(WIN32) && !defined( UNDER_CE )
 390 #   include <netinet/in.h>
 391
 392 #endif /* NTOHL_IN_SYS_PARAM_H || WIN32 */
 393
 394 /* CEIL: division with round to nearest greater integer */
 395 #define CEIL(n, d)  ( ((n) / (d)) + ( ((n) % (d)) ? 1 : 0) )
 396
 397 /* PAD: PAD(n, d) = CEIL(n ,d) * d */
 398 #define PAD(n, d)   ( ((n) % (d)) ? ((((n) / (d)) + 1) * (d)) : (n) )
 399
 400 /* __MAX and __MIN: self explanatory */
 401 #ifndef __MAX
 402 #   define __MAX(a, b)   ( ((a) > (b)) ? (a) : (b) )
 403 #endif
 404 #ifndef __MIN
 405 #   define __MIN(a, b)   ( ((a) < (b)) ? (a) : (b) )
 406 #endif
 407
 408 /* Dynamic array handling: realloc array, move data, increment position */
 409 #define INSERT_ELEM( p_ar, i_oldsize, i_pos, elem )                           \
 410     do                                                                        \
 411     {                                                                         \
 412         if( i_oldsize )                                                       \
 413         {                                                                     \
 414             (p_ar) = realloc( p_ar, ((i_oldsize) + 1) * sizeof( *(p_ar) ) );  \
 415         }                                                                     \
 416         else                                                                  \
 417         {                                                                     \
 418             (p_ar) = malloc( ((i_oldsize) + 1) * sizeof( *(p_ar) ) );         \
 419         }                                                                     \
 420         if( (i_oldsize) - (i_pos) )                                           \
 421         {                                                                     \
 422             memmove( (p_ar) + (i_pos) + 1,                                    \
 423                      (p_ar) + (i_pos),                                        \
 424                      ((i_oldsize) - (i_pos)) * sizeof( *(p_ar) ) );           \
 425         }                                                                     \
 426         (p_ar)[i_pos] = elem;                                                 \
 427         (i_oldsize)++;                                                        \
 428     }                                                                         \
 429     while( 0 )
 430
 431 #define REMOVE_ELEM( p_ar, i_oldsize, i_pos )                                 \
 432     do                                                                        \
 433     {                                                                         \
 434         if( (i_oldsize) - (i_pos) - 1 )                                       \
 435         {                                                                     \
 436             memmove( (p_ar) + (i_pos),                                        \
 437                      (p_ar) + (i_pos) + 1,                                    \
 438                      ((i_oldsize) - (i_pos) - 1) * sizeof( *(p_ar) ) );       \
 439         }                                                                     \
 440         if( i_oldsize > 1 )                                                   \
 441         {                                                                     \
 442             (p_ar) = realloc( p_ar, ((i_oldsize) - 1) * sizeof( *(p_ar) ) );  \
 443         }                                                                     \
 444         else                                                                  \
 445         {                                                                     \
 446             free( p_ar );                                                     \
 447             (p_ar) = NULL;                                                    \
 448         }                                                                     \
 449         (i_oldsize)--;                                                        \
 450     }                                                                         \
 451     while( 0 )
 452
 453
 454 #define TAB_APPEND( count, tab, p )             \
 455     if( (count) > 0 )                           \
 456     {                                           \
 457         (void *)(tab) = realloc( tab, sizeof( void ** ) * ( (count) + 1 ) ); \
 458     }                                           \
 459     else                                        \
 460     {                                           \
 461         (void *)(tab) = malloc( sizeof( void ** ) );    \
 462     }                                           \
 463     ((void**)(tab))[count] = (void*)(p);        \
 464     (count)++
 465
 466 #define TAB_FIND( count, tab, p, index )        \
 467     {                                           \
 468         int _i_;                                \
 469         (index) = -1;                           \
 470         for( _i_ = 0; _i_ < (count); _i_++ )    \
 471         {                                       \
 472             if( ((void**)(tab))[_i_] == (void*)(p) )  \
 473             {                                   \
 474                 (index) = _i_;                  \
 475                 break;                          \
 476             }                                   \
 477         }                                       \
 478     }
 479
 480 #define TAB_REMOVE( count, tab, p )             \
 481     {                                           \
 482         int _i_index_;                          \
 483         TAB_FIND( count, tab, p, _i_index_ );   \
 484         if( _i_index_ >= 0 )                    \
 485         {                                       \
 486             if( (count) > 1 )                     \
 487             {                                   \
 488                 memmove( ((void**)(tab) + _i_index_),    \
 489                          ((void**)(tab) + _i_index_+1),  \
 490                          ( (count) - _i_index_ - 1 ) * sizeof( void* ) );\
 491             }                                   \
 492             else                                \
 493             {                                   \
 494                 free( tab );                    \
 495                 (tab) = NULL;                   \
 496             }                                   \
 497             (count)--;                          \
 498         }                                       \
 499     }
 500
 501 /* MSB (big endian)/LSB (little endian) conversions - network order is always
 502  * MSB, and should be used for both network communications and files. Note that
 503  * byte orders other than little and big endians are not supported, but only
 504  * the VAX seems to have such exotic properties. */
 505 static inline uint16_t U16_AT( void const * _p )
 506 {
 507     uint8_t * p = (uint8_t *)_p;
 508     return ( ((uint16_t)p[0] << 8) | p[1] );
 509 }
 510 static inline uint32_t U32_AT( void const * _p )
 511 {
 512     uint8_t * p = (uint8_t *)_p;
 513     return ( ((uint32_t)p[0] << 24) | ((uint32_t)p[1] << 16)
 514               | ((uint32_t)p[2] << 8) | p[3] );
 515 }
 516 static inline uint64_t U64_AT( void const * _p )
 517 {
 518     uint8_t * p = (uint8_t *)_p;
 519     return ( ((uint64_t)p[0] << 56) | ((uint64_t)p[1] << 48)
 520               | ((uint64_t)p[2] << 40) | ((uint64_t)p[3] << 32)
 521               | ((uint64_t)p[4] << 24) | ((uint64_t)p[5] << 16)
 522               | ((uint64_t)p[6] << 8) | p[7] );
 523 }
 524
 525 static inline uint16_t GetWLE( void const * _p )
 526 {
 527     uint8_t * p = (uint8_t *)_p;
 528     return ( ((uint16_t)p[1] << 8) | p[0] );
 529 }
 530 static inline uint32_t GetDWLE( void const * _p )
 531 {
 532     uint8_t * p = (uint8_t *)_p;
 533     return ( ((uint32_t)p[3] << 24) | ((uint32_t)p[2] << 16)
 534               | ((uint32_t)p[1] << 8) | p[0] );
 535 }
 536 static inline uint64_t GetQWLE( void const * _p )
 537 {
 538     uint8_t * p = (uint8_t *)_p;
 539     return ( ((uint64_t)p[7] << 56) | ((uint64_t)p[6] << 48)
 540               | ((uint64_t)p[5] << 40) | ((uint64_t)p[4] << 32)
 541               | ((uint64_t)p[3] << 24) | ((uint64_t)p[2] << 16)
 542               | ((uint64_t)p[1] << 8) | p[0] );
 543 }
 544
 545 #define GetWBE( p )     U16_AT( p )
 546 #define GetDWBE( p )    U32_AT( p )
 547 #define GetQWBE( p )    U64_AT( p )
 548
 549 /* Helper writer functions */
 550
 551 #define SetWLE( p, v ) _SetWLE( (uint8_t*)p, v)
 552 static inline void _SetWLE( uint8_t *p, uint16_t i_dw )
 553 {
 554     p[1] = ( i_dw >>  8 )&0xff;
 555     p[0] = ( i_dw       )&0xff;
 556 }
 557
 558 #define SetDWLE( p, v ) _SetDWLE( (uint8_t*)p, v)
 559 static inline void _SetDWLE( uint8_t *p, uint32_t i_dw )
 560 {
 561     p[3] = ( i_dw >> 24 )&0xff;
 562     p[2] = ( i_dw >> 16 )&0xff;
 563     p[1] = ( i_dw >>  8 )&0xff;
 564     p[0] = ( i_dw       )&0xff;
 565 }
 566 #define SetQWLE( p, v ) _SetQWLE( (uint8_t*)p, v)
 567 static inline void _SetQWLE( uint8_t *p, uint64_t i_qw )
 568 {
 569     SetDWLE( p,   i_qw&0xffffffff );
 570     SetDWLE( p+4, ( i_qw >> 32)&0xffffffff );
 571 }
 572
 573 #if WORDS_BIGENDIAN
 574 #   define hton16(i)   ( i )
 575 #   define hton32(i)   ( i )
 576 #   define hton64(i)   ( i )
 577 #   define ntoh16(i)   ( i )
 578 #   define ntoh32(i)   ( i )
 579 #   define ntoh64(i)   ( i )
 580 #else
 581 #   define hton16(i)   U16_AT(&i)
 582 #   define hton32(i)   U32_AT(&i)
 583 #   define hton64(i)   U64_AT(&i)
 584 #   define ntoh16(i)   U16_AT(&i)
 585 #   define ntoh32(i)   U32_AT(&i)
 586 #   define ntoh64(i)   U64_AT(&i)
 587 #endif
 588
 589 /* Format string sanity checks */
 590 #ifdef HAVE_ATTRIBUTE_FORMAT
 591 #   define ATTRIBUTE_FORMAT(x,y) __attribute__ ((format(printf,x,y)))
 592 #else
 593 #   define ATTRIBUTE_FORMAT(x,y)
 594 #endif
 595
 596 /* Alignment of critical static data structures */
 597 #ifdef ATTRIBUTE_ALIGNED_MAX
 598 #   define ATTR_ALIGN(align) __attribute__ ((__aligned__ ((ATTRIBUTE_ALIGNED_MAX < align) ? ATTRIBUTE_ALIGNED_MAX : align)))
 599 #else
 600 #   define ATTR_ALIGN(align)
 601 #endif
 602
 603 /* Alignment of critical dynamic data structure
 604  *
 605  * Not all platforms support memalign so we provide a vlc_memalign wrapper
 606  * void *vlc_memalign( size_t align, size_t size, void **pp_orig )
 607  * *pp_orig is the pointer that has to be freed afterwards.
 608  */
 609 #if 0
 610 #ifdef HAVE_POSIX_MEMALIGN
 611 #   define vlc_memalign(align,size,pp_orig) \
 612     ( !posix_memalign( pp_orig, align, size ) ? *(pp_orig) : NULL )
 613 #endif
 614 #endif
 615 #ifdef HAVE_MEMALIGN
 616     /* Some systems have memalign() but no declaration for it */
 617     void * memalign( size_t align, size_t size );
 618
 619 #   define vlc_memalign(pp_orig,align,size) \
 620     ( *(pp_orig) = memalign( align, size ) )
 621
 622 #else /* We don't have any choice but to align manually */
 623 #   define vlc_memalign(pp_orig,align,size) \
 624     (( *(pp_orig) = malloc( size + align - 1 )) \
 625         ? (void *)( (((unsigned long)*(pp_orig)) + (unsigned long)(align-1) ) \
 626                        & (~(unsigned long)(align-1)) ) \
 627         : NULL )
 628
 629 #endif
 630
 631 /* Stuff defined in src/extras/libc.c */
 632 #ifndef HAVE_STRDUP
 633 #   define strdup vlc_strdup
 634     VLC_EXPORT( char *, vlc_strdup, ( const char *s ) );
 635 #elif !defined(__PLUGIN__)
 636 #   define vlc_strdup NULL
 637 #endif
 638
 639 #if !defined(HAVE_VASPRINTF) || defined(SYS_DARWIN) || defined(SYS_BEOS)
 640 #   define vasprintf vlc_vasprintf
 641     VLC_EXPORT( int, vlc_vasprintf, (char **, const char *, va_list ) );
 642 #elif !defined(__PLUGIN__)
 643 #   define vlc_vasprintf NULL
 644 #endif
 645
 646 #if !defined(HAVE_ASPRINTF) || defined(SYS_DARWIN) || defined(SYS_BEOS)
 647 #   define asprintf vlc_asprintf
 648     VLC_EXPORT( int, vlc_asprintf, (char **, const char *, ... ) );
 649 #elif !defined(__PLUGIN__)
 650 #   define vlc_asprintf NULL
 651 #endif
 652
 653 #ifndef HAVE_STRNDUP
 654 #   if defined(STRNDUP_IN_GNOME_H) && \
 655         (defined(MODULE_NAME_IS_gnome)||defined(MODULE_NAME_IS_gnome_main)||\
 656          defined(MODULE_NAME_IS_gnome2)||defined(MODULE_NAME_IS_gnome2_main))
 657         /* Do nothing: gnome.h defines strndup for us */
 658 #   else
 659 #       define strndup vlc_strndup
 660         VLC_EXPORT( char *, vlc_strndup, ( const char *s, size_t n ) );
 661 #   endif
 662 #elif !defined(__PLUGIN__)
 663 #   define vlc_strndup NULL
 664 #endif
 665
 666 #ifndef HAVE_ATOF
 667 #   define atof vlc_atof
 668     VLC_EXPORT( double, vlc_atof, ( const char *nptr ) );
 669 #elif !defined(__PLUGIN__)
 670 #   define vlc_atof NULL
 671 #endif
 672
 673 #ifndef HAVE_ATOLL
 674 #   define atoll vlc_atoll
 675     VLC_EXPORT( int64_t, vlc_atoll, ( const char *nptr ) );
 676 #elif !defined(__PLUGIN__)
 677 #   define vlc_atoll NULL
 678 #endif
 679
 680 #ifndef HAVE_GETENV
 681 #   define getenv vlc_getenv
 682     VLC_EXPORT( char *, vlc_getenv, ( const char *name ) );
 683 #elif !defined(__PLUGIN__)
 684 #   define vlc_getenv NULL
 685 #endif
 686
 687 #ifndef HAVE_STRCASECMP
 688 #   ifdef HAVE_STRICMP
 689 #       define strcasecmp stricmp
 690 #       if !defined(__PLUGIN__)
 691 #           define vlc_strcasecmp NULL
 692 #       endif
 693 #   elif !defined(__PLUGIN__)
 694 #       define strcasecmp vlc_strcasecmp
 695         VLC_EXPORT( int, vlc_strcasecmp, ( const char *s1, const char *s2 ) );
 696 #   endif
 697 #elif !defined(__PLUGIN__)
 698 #   define vlc_strcasecmp NULL
 699 #endif
 700
 701 #ifndef HAVE_STRNCASECMP
 702 #   ifdef HAVE_STRNICMP
 703 #       define strncasecmp strnicmp
 704 #       if !defined(__PLUGIN__)
 705 #           define vlc_strncasecmp NULL
 706 #       endif
 707 #   elif !defined(__PLUGIN__)
 708 #       define strncasecmp vlc_strncasecmp
 709         VLC_EXPORT( int, vlc_strncasecmp, ( const char *s1, const char *s2, size_t n ) );
 710 #   endif
 711 #elif !defined(__PLUGIN__)
 712 #   define vlc_strncasecmp NULL
 713 #endif
 714
 715 /* Format type specifiers for 64 bits numbers */
 716 #if !defined(WIN32) && !defined(UNDER_CE)
 717 #   define I64Fd "%lld"
 718 #   define I64Fi "%lli"
 719 #   define I64Fo "%llo"
 720 #   define I64Fu "%llu"
 721 #   define I64Fx "%llx"
 722 #   define I64FX "%llX"
 723 #else
 724 #   define I64Fd "%I64d"
 725 #   define I64Fi "%I64i"
 726 #   define I64Fo "%I64o"
 727 #   define I64Fu "%I64u"
 728 #   define I64Fx "%I64x"
 729 #   define I64FX "%I64X"
 730 #endif /* defined(WIN32)||defined(UNDER_CE) */
 731
 732 /* 64 bits integer constant suffix */
 733 #if defined( __MINGW32__ ) || (!defined(WIN32) && !defined(UNDER_CE))
 734 #   define I64C(x)         x##LL
 735 #   define UI64C(x)        x##ULL
 736 #else
 737 #   define I64C(x)         x##i64
 738 #   define UI64C(x)        x##ui64
 739 #endif /* defined(WIN32)||defined(UNDER_CE) */
 740
 741 #if defined(WIN32) || defined(UNDER_CE)
 742 /* win32, cl and icl support */
 743 #   if defined( _MSC_VER ) || !defined( __MINGW32__ )
 744 #       define __attribute__(x)
 745 #       define __inline__      __inline
 746 #       define S_IFBLK         0x3000  /* Block */
 747 #       define S_ISBLK(m)      (0)
 748 #       define S_ISCHR(m)      (0)
 749 #       define S_ISFIFO(m)     (((m)&_S_IFMT) == _S_IFIFO)
 750 #       define S_ISREG(m)      (((m)&_S_IFMT) == _S_IFREG)
 751 #   endif
 752
 753 /* several type definitions */
 754 #   if defined( __MINGW32__ )
 755 #       if !defined( _OFF_T_ )
 756 typedef long long _off_t;
 757 typedef _off_t off_t;
 758 #           define _OFF_T_
 759 #       else
 760 #           ifdef off_t
 761 #               undef off_t
 762 #           endif
 763 #           define off_t long long
 764 #       endif
 765 #   endif
 766
 767 #   if defined( _MSC_VER )
 768 #       if !defined( _OFF_T_DEFINED )
 769 typedef __int64 off_t;
 770 #           define _OFF_T_DEFINED
 771 #       else
 772 #           define off_t __int64
 773 #       endif
 774 #   endif
 775
 776 #   if defined( __BORLANDC__ )
 777 #       undef off_t
 778 #       define off_t unsigned __int64
 779 #   endif
 780
 781 #   ifndef O_NONBLOCK
 782 #       define O_NONBLOCK 0
 783 #   endif
 784
 785 #   ifndef alloca
 786 #       define alloca _alloca
 787 #   endif
 788
 789     /* These two are not defined in mingw32 (bug?) */
 790 #   ifndef snprintf
 791 #       define snprintf _snprintf
 792 #   endif
 793 #   ifndef vsnprintf
 794 #       define vsnprintf _vsnprintf
 795 #   endif
 796
 797 #endif
 798
 799 /* lseek (defined in src/extras/libc.c) */
 800 #ifndef HAVE_LSEEK
 801 #   define lseek vlc_lseek
 802     VLC_EXPORT( off_t, vlc_lseek, ( int fildes, off_t offset, int whence ) );
 803 #elif !defined(__PLUGIN__)
 804 #   define vlc_lseek NULL
 805 #endif
 806
 807 /* vlc_wraptext (defined in src/extras/libc.c) */
 808 #define wraptext vlc_wraptext
 809 VLC_EXPORT( char *, vlc_wraptext, ( const char *, int, vlc_bool_t ) );
 810
 811 /*****************************************************************************
 812  * CPU capabilities
 813  *****************************************************************************/
 814 #define CPU_CAPABILITY_NONE    0
 815 #define CPU_CAPABILITY_486     (1<<0)
 816 #define CPU_CAPABILITY_586     (1<<1)
 817 #define CPU_CAPABILITY_PPRO    (1<<2)
 818 #define CPU_CAPABILITY_MMX     (1<<3)
 819 #define CPU_CAPABILITY_3DNOW   (1<<4)
 820 #define CPU_CAPABILITY_MMXEXT  (1<<5)
 821 #define CPU_CAPABILITY_SSE     (1<<6)
 822 #define CPU_CAPABILITY_SSE2    (1<<7)
 823 #define CPU_CAPABILITY_ALTIVEC (1<<16)
 824 #define CPU_CAPABILITY_FPU     (1<<31)
 825
 826 /*****************************************************************************
 827  * I18n stuff
 828  *****************************************************************************/
 829 VLC_EXPORT( char *, vlc_dgettext, ( const char *package, const char *msgid ) );
 830
 831 #if defined( ENABLE_NLS ) && \
 832      (defined(MODULE_NAME_IS_gnome)||defined(MODULE_NAME_IS_gnome_main)||\
 833       defined(MODULE_NAME_IS_gnome2)||defined(MODULE_NAME_IS_gnome2_main)||\
 834       defined(MODULE_NAME_IS_pda))
 835     /* Declare nothing: gnome.h will do it for us */
 836 #elif defined( ENABLE_NLS )
 837 #if defined( HAVE_INCLUDED_GETTEXT )
 838 #   include "libintl.h"
 839 #else
 840 #   include <libintl.h>
 841 #endif
 842 #   undef _
 843 #if defined( __BORLANDC__ )
 844 #define _(String) vlc_dgettext (PACKAGE_TARNAME, String)
 845 #else
 846 #   define _(String) vlc_dgettext (PACKAGE, String)
 847 #endif
 848 #   define N_(String) ((char*)(String))
 849 #else
 850 #   define _(String) ((char*)(String))
 851 #   define N_(String) ((char*)(String))
 852 #endif
 853
 854 /*****************************************************************************
 855  * Additional vlc stuff
 856  *****************************************************************************/
 857 #include "vlc_symbols.h"
 858 #include "os_specific.h"
 859 #include "vlc_messages.h"
 860 #include "variables.h"
 861 #include "vlc_objects.h"
 862 #include "vlc_threads_funcs.h"
 863 #include "mtime.h"
 864 #include "modules.h"
 865 #include "main.h"
 866 #include "configuration.h"
 867
 868 #if defined( __BORLANDC__ )
 869 #   undef PACKAGE
 870 #   define PACKAGE
 871 #endif
 872