vlc_common.h 30.3 KB
Newer Older
Sam Hocevar's avatar
 
Sam Hocevar committed
1 2 3 4 5
/*****************************************************************************
 * common.h: common definitions
 * Collection of useful common types and macros definitions
 *****************************************************************************
 * Copyright (C) 1998, 1999, 2000 VideoLAN
Gildas Bazin's avatar
 
Gildas Bazin committed
6
 * $Id: vlc_common.h,v 1.84 2003/10/29 01:33:27 gbazin Exp $
Sam Hocevar's avatar
 
Sam Hocevar committed
7 8 9 10 11 12 13 14 15
 *
 * Authors: Samuel Hocevar <sam@via.ecp.fr>
 *          Vincent Seguin <seguin@via.ecp.fr>
 *          Gildas Bazin <gbazin@netcourrier.com>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
16
 *
Sam Hocevar's avatar
 
Sam Hocevar committed
17 18 19 20 21 22 23 24 25 26
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111, USA.
 *****************************************************************************/

Clément Stenac's avatar
Clément Stenac committed
27
/**
Sam Hocevar's avatar
Sam Hocevar committed
28
 * \file
Clément Stenac's avatar
Clément Stenac committed
29 30 31
 * This file is a collection of common definitions and types
 */

32
/*****************************************************************************
33
 * Required vlc headers
34
 *****************************************************************************/
35 36 37 38 39 40
#if defined( __BORLANDC__ )
#   undef PACKAGE
#endif

#include "config.h"

41 42 43
#if defined( __BORLANDC__ )
#   undef HAVE_VARIADIC_MACROS
#   undef HAVE_STDINT_H
44
#   undef HAVE_INTTYPES_H
45
#   undef off_t
46 47
#endif

48 49 50
#include "vlc_config.h"
#include "modules_inner.h"

Sam Hocevar's avatar
 
Sam Hocevar committed
51 52 53
/*****************************************************************************
 * Required system headers
 *****************************************************************************/
54 55
#include <stdarg.h>

Sam Hocevar's avatar
 
Sam Hocevar committed
56 57 58 59 60 61 62
#ifdef HAVE_STRING_H
#   include <string.h>                                         /* strerror() */
#endif

#ifdef HAVE_SYS_TYPES_H
#   include <sys/types.h>
#endif
Sam Hocevar's avatar
 
Sam Hocevar committed
63 64 65 66

/*****************************************************************************
 * Basic types definitions
 *****************************************************************************/
67
#if defined( HAVE_STDINT_H )
68
#   include <stdint.h>
69 70
#elif defined( HAVE_INTTYPES_H )
#   include <inttypes.h>
71 72 73 74 75 76 77
#elif defined( SYS_CYGWIN )
#   include <sys/types.h>
    /* Cygwin only defines half of these... */
    typedef u_int8_t            uint8_t;
    typedef u_int16_t           uint16_t;
    typedef u_int32_t           uint32_t;
    typedef u_int64_t           uint64_t;
Sam Hocevar's avatar
 
Sam Hocevar committed
78
#else
79 80 81 82 83 84 85
    /* Fallback types (very x86-centric, sorry) */
    typedef unsigned char       uint8_t;
    typedef signed char         int8_t;
    typedef unsigned short      uint16_t;
    typedef signed short        int16_t;
    typedef unsigned int        uint32_t;
    typedef signed int          int32_t;
86 87 88
#   if defined( _MSC_VER ) \
      || defined( UNDER_CE ) \
      || ( defined( WIN32 ) && !defined( __MINGW32__ ) )
89 90
    typedef unsigned __int64    uint64_t;
    typedef signed __int64      int64_t;
91
#   else
92 93
    typedef unsigned long long  uint64_t;
    typedef signed long long    int64_t;
94
#   endif
Sam Hocevar's avatar
 
Sam Hocevar committed
95 96
#endif

97
typedef uint8_t                 byte_t;
98

Sam Hocevar's avatar
 
Sam Hocevar committed
99 100 101 102 103 104 105 106 107 108 109 110
/* ptrdiff_t definition */
#ifdef HAVE_STDDEF_H
#   include <stddef.h>
#else
#   include <malloc.h>
#   ifndef _PTRDIFF_T
#       define _PTRDIFF_T
/* Not portable in a 64-bit environment. */
typedef int                 ptrdiff_t;
#   endif
#endif

Gildas Bazin's avatar
 
Gildas Bazin committed
111 112
#if defined( WIN32 )
#   include <malloc.h>
113
#define PATH_MAX MAX_PATH
Gildas Bazin's avatar
 
Gildas Bazin committed
114 115
#endif

116
#if (defined( WIN32 ) || defined( UNDER_CE )) && !defined( _SSIZE_T_ )
Gildas Bazin's avatar
 
Gildas Bazin committed
117
typedef int                 ssize_t;
Xavier Marchesini's avatar
 
Xavier Marchesini committed
118 119
#endif

Sam Hocevar's avatar
 
Sam Hocevar committed
120 121 122 123
/* Counter for statistics and profiling */
typedef unsigned long       count_t;

/* DCT elements types */
124
typedef int16_t             dctelem_t;
Sam Hocevar's avatar
 
Sam Hocevar committed
125 126

/* Video buffer types */
127
typedef uint8_t             yuv_data_t;
Sam Hocevar's avatar
 
Sam Hocevar committed
128

129
/* Audio volume */
130 131
typedef uint16_t            audio_volume_t;

132 133 134 135
#ifndef HAVE_SOCKLEN_T
typedef int                 socklen_t;
#endif

Sam Hocevar's avatar
 
Sam Hocevar committed
136 137 138
/*****************************************************************************
 * mtime_t: high precision date or time interval
 *****************************************************************************
139 140
 * Store a high precision date or time interval. The maximum precision is the
 * microsecond, and a 64 bits integer is used to avoid overflows (maximum
Sam Hocevar's avatar
 
Sam Hocevar committed
141
 * time interval is then 292271 years, which should be long enough for any
142 143
 * video). Dates are stored as microseconds since a common date (usually the
 * epoch). Note that date and time intervals can be manipulated using regular
Sam Hocevar's avatar
 
Sam Hocevar committed
144 145
 * arithmetic operators, and that no special functions are required.
 *****************************************************************************/
146
typedef int64_t mtime_t;
Sam Hocevar's avatar
 
Sam Hocevar committed
147

148 149 150 151 152
/*****************************************************************************
 * The vlc_fourcc_t type.
 *****************************************************************************
 * See http://www.webartz.com/fourcc/ for a very detailed list.
 *****************************************************************************/
153
typedef uint32_t vlc_fourcc_t;
154

155 156
#ifdef WORDS_BIGENDIAN
#   define VLC_FOURCC( a, b, c, d ) \
157 158
        ( ((uint32_t)d) | ( ((uint32_t)c) << 8 ) \
           | ( ((uint32_t)b) << 16 ) | ( ((uint32_t)a) << 24 ) )
159
#   define VLC_TWOCC( a, b ) \
160
        ( (uint16_t)(b) | ( (uint16_t)(a) << 8 ) )
161

162 163
#else
#   define VLC_FOURCC( a, b, c, d ) \
164 165
        ( ((uint32_t)a) | ( ((uint32_t)b) << 8 ) \
           | ( ((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

Sam Hocevar's avatar
 
Sam Hocevar committed
171 172 173 174
/*****************************************************************************
 * Classes declaration
 *****************************************************************************/

175 176
/* Internal types */
typedef struct libvlc_t libvlc_t;
Sam Hocevar's avatar
Sam Hocevar committed
177 178
typedef struct vlc_t vlc_t;
typedef struct variable_t variable_t;
179

180
/* Messages */
181 182
typedef struct msg_bank_t msg_bank_t;
typedef struct msg_subscription_t msg_subscription_t;
Sam Hocevar's avatar
 
Sam Hocevar committed
183

Gildas Bazin's avatar
 
Gildas Bazin committed
184
/* Playlist */
185 186
typedef struct playlist_t playlist_t;
typedef struct playlist_item_t playlist_item_t;
Sam Hocevar's avatar
 
Sam Hocevar committed
187

188
/* Modules */
189 190 191 192
typedef struct module_bank_t module_bank_t;
typedef struct module_t module_t;
typedef struct module_config_t module_config_t;
typedef struct module_symbols_t module_symbols_t;
Sam Hocevar's avatar
 
Sam Hocevar committed
193 194

/* Interface */
195 196 197 198 199
typedef struct intf_thread_t intf_thread_t;
typedef struct intf_sys_t intf_sys_t;
typedef struct intf_console_t intf_console_t;
typedef struct intf_msg_t intf_msg_t;
typedef struct intf_channel_t intf_channel_t;
Sam Hocevar's avatar
 
Sam Hocevar committed
200 201

/* Input */
202
typedef struct input_thread_t input_thread_t;
203
typedef struct input_thread_sys_t input_thread_sys_t;
204 205 206 207 208 209 210 211 212 213 214 215 216
typedef struct input_area_t input_area_t;
typedef struct input_buffers_t input_buffers_t;
typedef struct input_socket_t input_socket_t;
typedef struct input_info_t input_info_t;
typedef struct input_info_category_t input_info_category_t;
typedef struct access_sys_t access_sys_t;
typedef struct demux_sys_t demux_sys_t;
typedef struct es_descriptor_t es_descriptor_t;
typedef struct es_sys_t es_sys_t;
typedef struct pgrm_descriptor_t pgrm_descriptor_t;
typedef struct pgrm_sys_t pgrm_sys_t;
typedef struct stream_descriptor_t stream_descriptor_t;
typedef struct stream_sys_t stream_sys_t;
Sam Hocevar's avatar
 
Sam Hocevar committed
217

218 219
/* NInput */
typedef struct stream_t stream_t;
220 221 222 223
typedef struct es_out_t     es_out_t;
typedef struct es_out_id_t  es_out_id_t;
typedef struct es_out_sys_t es_out_sys_t;

224

Sam Hocevar's avatar
 
Sam Hocevar committed
225
/* Audio */
226 227
typedef struct aout_instance_t aout_instance_t;
typedef struct aout_sys_t aout_sys_t;
228
typedef struct aout_fifo_t aout_fifo_t;
229 230 231
typedef struct aout_input_t aout_input_t;
typedef struct aout_buffer_t aout_buffer_t;
typedef struct audio_sample_format_t audio_sample_format_t;
232
typedef struct audio_date_t audio_date_t;
Sam Hocevar's avatar
 
Sam Hocevar committed
233 234

/* Video */
235 236 237
typedef struct vout_thread_t vout_thread_t;
typedef struct vout_sys_t vout_sys_t;
typedef struct chroma_sys_t chroma_sys_t;
Gildas Bazin's avatar
 
Gildas Bazin committed
238
typedef struct video_frame_format_t video_frame_format_t;
239 240 241 242 243
typedef struct picture_t picture_t;
typedef struct picture_sys_t picture_sys_t;
typedef struct picture_heap_t picture_heap_t;
typedef struct subpicture_t subpicture_t;
typedef struct subpicture_sys_t subpicture_sys_t;
244
typedef struct vout_synchro_t vout_synchro_t;
245 246
typedef struct text_renderer_sys_t text_renderer_sys_t;
typedef struct text_style_t text_style_t;
Sam Hocevar's avatar
 
Sam Hocevar committed
247

248 249 250
/* Stream output */
typedef struct sout_instance_t sout_instance_t;
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;
256 257 258
typedef struct sout_stream_t    sout_stream_t;
typedef struct sout_cfg_t       sout_cfg_t;
typedef struct sout_format_t    sout_format_t;
259 260
/*typedef struct sap_session_t    sap_session_t;
typedef struct slp_session_t    slp_session_t;*/
261

Sam Hocevar's avatar
 
Sam Hocevar committed
262
/* Decoders */
263
typedef struct decoder_fifo_t decoder_fifo_t;
Gildas Bazin's avatar
 
Gildas Bazin committed
264 265
typedef struct decoder_t      decoder_t;
typedef struct decoder_sys_t  decoder_sys_t;
Sam Hocevar's avatar
 
Sam Hocevar committed
266

Gildas Bazin's avatar
 
Gildas Bazin committed
267 268 269 270
/* Encoders */
typedef struct encoder_t      encoder_t;
typedef struct encoder_sys_t  encoder_sys_t;

Sam Hocevar's avatar
 
Sam Hocevar committed
271
/* Misc */
272 273 274 275 276 277 278 279
typedef struct data_packet_t data_packet_t;
typedef struct data_buffer_t data_buffer_t;
typedef struct stream_position_t stream_position_t;
typedef struct stream_ctrl_t stream_ctrl_t;
typedef struct pes_packet_t pes_packet_t;
typedef struct bit_stream_t bit_stream_t;
typedef struct network_socket_t network_socket_t;
typedef struct iso639_lang_t iso639_lang_t;
280

281 282 283 284
/* block */
typedef struct block_t      block_t;
typedef struct block_fifo_t block_fifo_t;

285 286 287 288 289 290 291 292 293
/*****************************************************************************
 * Variable callbacks
 *****************************************************************************/
typedef int ( * vlc_callback_t ) ( vlc_object_t *,      /* variable's object */
                                   char const *,            /* variable name */
                                   vlc_value_t,                 /* old value */
                                   vlc_value_t,                 /* new value */
                                   void * );                /* callback data */

Gildas Bazin's avatar
 
Gildas Bazin committed
294 295 296 297
/*****************************************************************************
 * Plug-in stuff
 *****************************************************************************/
#ifndef __PLUGIN__
298
#   define VLC_EXPORT( type, name, args ) type name args
Gildas Bazin's avatar
 
Gildas Bazin committed
299
#else
300
#   define VLC_EXPORT( type, name, args ) struct _u_n_u_s_e_d_
Gildas Bazin's avatar
 
Gildas Bazin committed
301 302 303
    extern module_symbols_t* p_symbols;
#endif

304 305 306
/*****************************************************************************
 * OS-specific headers and thread types
 *****************************************************************************/
307
#if defined( WIN32 ) || defined( UNDER_CE )
308 309
#   define WIN32_LEAN_AND_MEAN
#   include <windows.h>
Gildas Bazin's avatar
 
Gildas Bazin committed
310
#   define IS_WINNT ( GetVersion() < 0x80000000 )
311 312
#endif

313 314 315 316 317 318 319 320
#include "vlc_threads.h"

/*****************************************************************************
 * Common structure members
 *****************************************************************************/

/* VLC_COMMON_MEMBERS : members common to all basic vlc objects */
#define VLC_COMMON_MEMBERS                                                  \
321 322 323 324
/** \name VLC_COMMON_MEMBERS                                                \
 * these members are common for all vlc objects                             \
 */                                                                         \
/**@{*/                                                                     \
325 326 327 328 329 330 331 332
    int   i_object_id;                                                      \
    int   i_object_type;                                                    \
    char *psz_object_type;                                                  \
    char *psz_object_name;                                                  \
                                                                            \
    /* Thread properties, if any */                                         \
    vlc_bool_t   b_thread;                                                  \
    vlc_thread_t thread_id;                                                 \
Sam Hocevar's avatar
Sam Hocevar committed
333 334 335 336
                                                                            \
    /* Object access lock */                                                \
    vlc_mutex_t  object_lock;                                               \
    vlc_cond_t   object_wait;                                               \
337
                                                                            \
Sam Hocevar's avatar
Sam Hocevar committed
338
    /* Object properties */                                                 \
339 340 341 342
    volatile vlc_bool_t b_error;                  /**< set by the object */ \
    volatile vlc_bool_t b_die;                   /**< set by the outside */ \
    volatile vlc_bool_t b_dead;                   /**< set by the object */ \
    volatile vlc_bool_t b_attached;               /**< set by the object */ \
343
                                                                            \
Sam Hocevar's avatar
Sam Hocevar committed
344 345 346 347 348 349
    /* Object variables */                                                  \
    vlc_mutex_t     var_lock;                                               \
    int             i_vars;                                                 \
    variable_t *    p_vars;                                                 \
                                                                            \
    /* Stuff related to the libvlc structure */                             \
350 351
    libvlc_t *      p_libvlc;                      /**< root of all evil */ \
    vlc_t *         p_vlc;                   /**< (root of all evil) - 1 */ \
352
                                                                            \
353 354 355
    volatile int    i_refcount;                         /**< usage count */ \
    vlc_object_t *  p_parent;                            /**< our parent */ \
    vlc_object_t ** pp_children;                       /**< our children */ \
356 357
    volatile int    i_children;                                             \
                                                                            \
358 359 360
    /* Private data */                                                      \
    void *          p_private;                                              \
                                                                            \
361
    /** Just a reminder so that people don't cast garbage */                \
362
    int be_sure_to_add_VLC_COMMON_MEMBERS_to_struct;                        \
363
/**@}*/                                                                     \
364

365 366
/* VLC_OBJECT: attempt at doing a clever cast */
#define VLC_OBJECT( x ) \
367
    ((vlc_object_t *)(x))+0*(x)->be_sure_to_add_VLC_COMMON_MEMBERS_to_struct
368

Sam Hocevar's avatar
 
Sam Hocevar committed
369 370 371 372 373 374
/*****************************************************************************
 * Macros and inline functions
 *****************************************************************************/
#ifdef NTOHL_IN_SYS_PARAM_H
#   include <sys/param.h>

375
#elif !defined(WIN32) && !defined( UNDER_CE )
Sam Hocevar's avatar
 
Sam Hocevar committed
376 377 378 379 380 381 382 383 384 385
#   include <netinet/in.h>

#endif /* NTOHL_IN_SYS_PARAM_H || WIN32 */

/* CEIL: division with round to nearest greater integer */
#define CEIL(n, d)  ( ((n) / (d)) + ( ((n) % (d)) ? 1 : 0) )

/* PAD: PAD(n, d) = CEIL(n ,d) * d */
#define PAD(n, d)   ( ((n) % (d)) ? ((((n) / (d)) + 1) * (d)) : (n) )

Sam Hocevar's avatar
 
Sam Hocevar committed
386 387 388
/* __MAX and __MIN: self explanatory */
#ifndef __MAX
#   define __MAX(a, b)   ( ((a) > (b)) ? (a) : (b) )
Sam Hocevar's avatar
 
Sam Hocevar committed
389
#endif
Sam Hocevar's avatar
 
Sam Hocevar committed
390 391
#ifndef __MIN
#   define __MIN(a, b)   ( ((a) < (b)) ? (a) : (b) )
Sam Hocevar's avatar
 
Sam Hocevar committed
392 393
#endif

394 395 396 397 398 399 400 401 402 403 404 405
/* Dynamic array handling: realloc array, move data, increment position */
#define INSERT_ELEM( p_ar, i_oldsize, i_pos, elem )                           \
    do                                                                        \
    {                                                                         \
        if( i_oldsize )                                                       \
        {                                                                     \
            (p_ar) = realloc( p_ar, ((i_oldsize) + 1) * sizeof( *(p_ar) ) );  \
        }                                                                     \
        else                                                                  \
        {                                                                     \
            (p_ar) = malloc( ((i_oldsize) + 1) * sizeof( *(p_ar) ) );         \
        }                                                                     \
Gildas Bazin's avatar
 
Gildas Bazin committed
406 407 408 409 410 411
        if( (i_oldsize) - (i_pos) )                                           \
        {                                                                     \
            memmove( (p_ar) + (i_pos) + 1,                                    \
                     (p_ar) + (i_pos),                                        \
                     ((i_oldsize) - (i_pos)) * sizeof( *(p_ar) ) );           \
        }                                                                     \
412 413 414 415 416 417 418 419
        (p_ar)[i_pos] = elem;                                                 \
        (i_oldsize)++;                                                        \
    }                                                                         \
    while( 0 )

#define REMOVE_ELEM( p_ar, i_oldsize, i_pos )                                 \
    do                                                                        \
    {                                                                         \
Gildas Bazin's avatar
 
Gildas Bazin committed
420 421 422 423 424 425
        if( (i_oldsize) - (i_pos) - 1 )                                       \
        {                                                                     \
            memmove( (p_ar) + (i_pos),                                        \
                     (p_ar) + (i_pos) + 1,                                    \
                     ((i_oldsize) - (i_pos) - 1) * sizeof( *(p_ar) ) );       \
        }                                                                     \
426 427 428 429 430 431 432 433 434 435 436 437 438 439
        if( i_oldsize > 1 )                                                   \
        {                                                                     \
            (p_ar) = realloc( p_ar, ((i_oldsize) - 1) * sizeof( *(p_ar) ) );  \
        }                                                                     \
        else                                                                  \
        {                                                                     \
            free( p_ar );                                                     \
            (p_ar) = NULL;                                                    \
        }                                                                     \
        (i_oldsize)--;                                                        \
    }                                                                         \
    while( 0 )


440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486
#define TAB_APPEND( count, tab, p )             \
    if( (count) > 0 )                           \
    {                                           \
        (tab) = realloc( (tab), sizeof( void ** ) * ( (count) + 1 ) ); \
    }                                           \
    else                                        \
    {                                           \
        (tab) = malloc( sizeof( void ** ) );    \
    }                                           \
    (void**)(tab)[(count)] = (void*)(p);        \
    (count)++

#define TAB_FIND( count, tab, p, index )        \
    {                                           \
        int _i_;                                \
        (index) = -1;                           \
        for( _i_ = 0; _i_ < (count); _i_++ )    \
        {                                       \
            if((void**)(tab)[_i_]==(void*)(p))  \
            {                                   \
                (index) = _i_;                  \
                break;                          \
            }                                   \
        }                                       \
    }

#define TAB_REMOVE( count, tab, p )             \
    {                                           \
        int _i_index_;                          \
        TAB_FIND( count, tab, p, _i_index_ );   \
        if( _i_index_ >= 0 )                    \
        {                                       \
            if( (count) > 1 )                     \
            {                                   \
                memmove( ((void**)(tab) + _i_index_),    \
                         ((void**)(tab) + _i_index_+1),  \
                         ( (count) - _i_index_ - 1 ) * sizeof( void* ) );\
            }                                   \
            else                                \
            {                                   \
                free( tab );                    \
                (tab) = NULL;                   \
            }                                   \
            (count)--;                          \
        }                                       \
    }

Sam Hocevar's avatar
 
Sam Hocevar committed
487 488 489
/* MSB (big endian)/LSB (little endian) conversions - network order is always
 * MSB, and should be used for both network communications and files. Note that
 * 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
{
493 494
    uint8_t * p = (uint8_t *)_p;
    return ( ((uint16_t)p[0] << 8) | p[1] );
495
}
496
static inline uint32_t U32_AT( void * _p )
497
{
498 499 500
    uint8_t * p = (uint8_t *)_p;
    return ( ((uint32_t)p[0] << 24) | ((uint32_t)p[1] << 16)
              | ((uint32_t)p[2] << 8) | p[3] );
501
}
502
static inline uint64_t U64_AT( void * _p )
503
{
504 505 506 507 508
    uint8_t * p = (uint8_t *)_p;
    return ( ((uint64_t)p[0] << 56) | ((uint64_t)p[1] << 48)
              | ((uint64_t)p[2] << 40) | ((uint64_t)p[3] << 32)
              | ((uint64_t)p[4] << 24) | ((uint64_t)p[5] << 16)
              | ((uint64_t)p[6] << 8) | p[7] );
509
}
510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535

static inline uint16_t GetWLE( void * _p )
{
    uint8_t * p = (uint8_t *)_p;
    return ( ((uint16_t)p[1] << 8) | p[0] );
}
static inline uint32_t GetDWLE( void * _p )
{
    uint8_t * p = (uint8_t *)_p;
    return ( ((uint32_t)p[3] << 24) | ((uint32_t)p[2] << 16)
              | ((uint32_t)p[1] << 8) | p[0] );
}
static inline uint64_t GetQWLE( void * _p )
{
    uint8_t * p = (uint8_t *)_p;
    return ( ((uint64_t)p[7] << 56) | ((uint64_t)p[6] << 48)
              | ((uint64_t)p[5] << 40) | ((uint64_t)p[4] << 32)
              | ((uint64_t)p[3] << 24) | ((uint64_t)p[2] << 16)
              | ((uint64_t)p[1] << 8) | p[0] );
}

#define GetWBE( p )     U16_AT( p )
#define GetDWBE( p )    U32_AT( p )
#define GetQWBE( p )    U64_AT( p )


Sam Hocevar's avatar
 
Sam Hocevar committed
536
#if WORDS_BIGENDIAN
537 538
#   define hton16(i)   ( i )
#   define hton32(i)   ( i )
Sam Hocevar's avatar
 
Sam Hocevar committed
539
#   define hton64(i)   ( i )
540 541
#   define ntoh16(i)   ( i )
#   define ntoh32(i)   ( i )
Sam Hocevar's avatar
 
Sam Hocevar committed
542 543
#   define ntoh64(i)   ( i )
#else
544 545 546 547 548 549
#   define hton16(i)   U16_AT(&i)
#   define hton32(i)   U32_AT(&i)
#   define hton64(i)   U64_AT(&i)
#   define ntoh16(i)   U16_AT(&i)
#   define ntoh32(i)   U32_AT(&i)
#   define ntoh64(i)   U64_AT(&i)
Sam Hocevar's avatar
 
Sam Hocevar committed
550 551
#endif

552 553 554 555 556 557 558
/* Format string sanity checks */
#ifdef HAVE_ATTRIBUTE_FORMAT
#   define ATTRIBUTE_FORMAT(x,y) __attribute__ ((format(printf,x,y)))
#else
#   define ATTRIBUTE_FORMAT(x,y)
#endif

Sam Hocevar's avatar
 
Sam Hocevar committed
559 560 561 562 563 564 565
/* Alignment of critical static data structures */
#ifdef ATTRIBUTE_ALIGNED_MAX
#   define ATTR_ALIGN(align) __attribute__ ((__aligned__ ((ATTRIBUTE_ALIGNED_MAX < align) ? ATTRIBUTE_ALIGNED_MAX : align)))
#else
#   define ATTR_ALIGN(align)
#endif

Gildas Bazin's avatar
 
Gildas Bazin committed
566 567 568 569 570 571 572 573 574 575 576 577
/* Alignment of critical dynamic data structure
 *
 * Not all platforms support memalign so we provide a vlc_memalign wrapper
 * void *vlc_memalign( size_t align, size_t size, void **pp_orig )
 * *pp_orig is the pointer that has to be freed afterwards.
 */
#if 0
#ifdef HAVE_POSIX_MEMALIGN
#   define vlc_memalign(align,size,pp_orig) \
    ( !posix_memalign( pp_orig, align, size ) ? *(pp_orig) : NULL )
#endif
#endif
Sam Hocevar's avatar
 
Sam Hocevar committed
578 579 580
#ifdef HAVE_MEMALIGN
    /* Some systems have memalign() but no declaration for it */
    void * memalign( size_t align, size_t size );
Gildas Bazin's avatar
 
Gildas Bazin committed
581

582
#   define vlc_memalign(pp_orig,align,size) \
Gildas Bazin's avatar
 
Gildas Bazin committed
583 584 585
    ( *(pp_orig) = memalign( align, size ) )

#else /* We don't have any choice but to align manually */
586 587 588
#   define vlc_memalign(pp_orig,align,size) \
    (( *(pp_orig) = malloc( size + align - 1 )) \
        ? (void *)( (((unsigned long)*(pp_orig)) + (unsigned long)(align-1) ) \
589
                       & (~(unsigned long)(align-1)) ) \
590
        : NULL )
Gildas Bazin's avatar
 
Gildas Bazin committed
591

Sam Hocevar's avatar
 
Sam Hocevar committed
592 593
#endif

594
/* Stuff defined in src/extras/libc.c */
595
#ifndef HAVE_STRDUP
596 597 598 599
#   define strdup vlc_strdup
    VLC_EXPORT( char *, vlc_strdup, ( const char *s ) );
#elif !defined(__PLUGIN__)
#   define vlc_strdup NULL
600
#endif
601

602
#ifndef HAVE_STRNDUP
603
#   if defined(STRNDUP_IN_GNOME_H) && \
604 605
        (defined(MODULE_NAME_IS_gnome)||defined(MODULE_NAME_IS_gnome_main)||\
         defined(MODULE_NAME_IS_gnome2)||defined(MODULE_NAME_IS_gnome2_main))
606 607 608 609 610
        /* Do nothing: gnome.h defines strndup for us */
#   else
#       define strndup vlc_strndup
        VLC_EXPORT( char *, vlc_strndup, ( const char *s, size_t n ) );
#   endif
611 612
#elif !defined(__PLUGIN__)
#   define vlc_strndup NULL
613 614 615
#endif

#ifndef HAVE_ATOF
616 617 618 619
#   define atof vlc_atof
    VLC_EXPORT( double, vlc_atof, ( const char *nptr ) );
#elif !defined(__PLUGIN__)
#   define vlc_atof NULL
620 621
#endif

622 623 624 625 626 627 628
#ifndef HAVE_ATOLL
#   define atoll vlc_atoll
    VLC_EXPORT( int64_t, vlc_atoll, ( const char *nptr ) );
#elif !defined(__PLUGIN__)
#   define vlc_atoll NULL
#endif

629
#ifndef HAVE_GETENV
630 631 632 633
#   define getenv vlc_getenv
    VLC_EXPORT( char *, vlc_getenv, ( const char *name ) );
#elif !defined(__PLUGIN__)
#   define vlc_getenv NULL
634 635 636 637 638
#endif

#ifndef HAVE_STRCASECMP
#   ifdef HAVE_STRICMP
#       define strcasecmp stricmp
Gildas Bazin's avatar
 
Gildas Bazin committed
639 640 641
#       if !defined(__PLUGIN__)
#           define vlc_strcasecmp NULL
#       endif
642 643 644
#   elif !defined(__PLUGIN__)
#       define strcasecmp vlc_strcasecmp
        VLC_EXPORT( int, vlc_strcasecmp, ( const char *s1, const char *s2 ) );
645
#   endif
646 647
#elif !defined(__PLUGIN__)
#   define vlc_strcasecmp NULL
648 649 650 651 652
#endif

#ifndef HAVE_STRNCASECMP
#   ifdef HAVE_STRNICMP
#       define strncasecmp strnicmp
Gildas Bazin's avatar
 
Gildas Bazin committed
653 654 655
#       if !defined(__PLUGIN__)
#           define vlc_strncasecmp NULL
#       endif
656 657 658
#   elif !defined(__PLUGIN__)
#       define strncasecmp vlc_strncasecmp
        VLC_EXPORT( int, vlc_strncasecmp, ( const char *s1, const char *s2, size_t n ) );
659
#   endif
660 661
#elif !defined(__PLUGIN__)
#   define vlc_strncasecmp NULL
662 663
#endif

Gildas Bazin's avatar
 
Gildas Bazin committed
664
/* Format type specifiers for 64 bits numbers */
665
#if !defined(WIN32) && !defined(UNDER_CE)
Gildas Bazin's avatar
 
Gildas Bazin committed
666 667 668 669 670 671 672 673 674 675 676 677 678
#   define I64Fd "%lld"
#   define I64Fi "%lli"
#   define I64Fo "%llo"
#   define I64Fu "%llu"
#   define I64Fx "%llx"
#   define I64FX "%llX"
#else
#   define I64Fd "%I64d"
#   define I64Fi "%I64i"
#   define I64Fo "%I64o"
#   define I64Fu "%I64u"
#   define I64Fx "%I64x"
#   define I64FX "%I64X"
679
#endif /* defined(WIN32)||defined(UNDER_CE) */
Gildas Bazin's avatar
 
Gildas Bazin committed
680 681

/* 64 bits integer constant suffix */
Gildas Bazin's avatar
 
Gildas Bazin committed
682
#if defined( __MINGW32__ ) || (!defined(WIN32) && !defined(UNDER_CE))
Gildas Bazin's avatar
 
Gildas Bazin committed
683 684 685
#   define I64C(x)         x##LL
#else
#   define I64C(x)         x##i64
686
#endif /* defined(WIN32)||defined(UNDER_CE) */
Sam Hocevar's avatar
 
Sam Hocevar committed
687

688
#if defined(WIN32) || defined(UNDER_CE)
Sam Hocevar's avatar
 
Sam Hocevar committed
689
/* win32, cl and icl support */
Sam Hocevar's avatar
 
Sam Hocevar committed
690
#   if defined( _MSC_VER ) || !defined( __MINGW32__ )
Sam Hocevar's avatar
 
Sam Hocevar committed
691 692
#       define __attribute__(x)
#       define __inline__      __inline
Gildas Bazin's avatar
 
Gildas Bazin committed
693
#       define S_IFBLK         0x3000  /* Block */
Sam Hocevar's avatar
 
Sam Hocevar committed
694 695 696 697 698 699 700 701 702 703 704 705 706
#       define S_ISBLK(m)      (0)
#       define S_ISCHR(m)      (0)
#       define S_ISFIFO(m)     (((m)&_S_IFMT) == _S_IFIFO)
#       define S_ISREG(m)      (((m)&_S_IFMT) == _S_IFREG)
#   endif

/* several type definitions */
#   if defined( __MINGW32__ )
#       if !defined( _OFF_T_ )
typedef long long _off_t;
typedef _off_t off_t;
#           define _OFF_T_
#       else
Gildas Bazin's avatar
 
Gildas Bazin committed
707 708 709
#           ifdef off_t
#               undef off_t
#           endif
Sam Hocevar's avatar
 
Sam Hocevar committed
710 711 712 713 714 715 716 717 718 719 720 721 722
#           define off_t long long
#       endif
#   endif

#   if defined( _MSC_VER )
#       if !defined( _OFF_T_DEFINED )
typedef __int64 off_t;
#           define _OFF_T_DEFINED
#       else
#           define off_t __int64
#       endif
#   endif

Olivier Teulière's avatar
 
Olivier Teulière committed
723
#   if defined( __BORLANDC__ )
Sam Hocevar's avatar
 
Sam Hocevar committed
724
#       undef off_t
Olivier Teulière's avatar
 
Olivier Teulière committed
725
#       define off_t unsigned __int64
Sam Hocevar's avatar
 
Sam Hocevar committed
726 727
#   endif

Gildas Bazin's avatar
 
Gildas Bazin committed
728 729
#   ifndef O_NONBLOCK
#       define O_NONBLOCK 0
Gildas Bazin's avatar
 
Gildas Bazin committed
730 731 732 733
#   endif

#   ifndef alloca
#       define alloca _alloca
Gildas Bazin's avatar
 
Gildas Bazin committed
734 735
#   endif

736
    /* These two are not defined in mingw32 (bug?) */
Sam Hocevar's avatar
 
Sam Hocevar committed
737
#   ifndef snprintf
738 739 740 741
#       define snprintf _snprintf
#   endif
#   ifndef vsnprintf
#       define vsnprintf _vsnprintf
Sam Hocevar's avatar
 
Sam Hocevar committed
742 743 744 745
#   endif

#endif

746
/* lseek (defined in src/extras/libc.c) */
747
#ifndef HAVE_LSEEK
748 749 750 751
#   define lseek vlc_lseek
    VLC_EXPORT( off_t, vlc_lseek, ( int fildes, off_t offset, int whence ) );
#elif !defined(__PLUGIN__)
#   define vlc_lseek NULL
752 753
#endif

Gildas Bazin's avatar
 
Gildas Bazin committed
754 755 756 757
/* vlc_wraptext (defined in src/extras/libc.c) */
#define wraptext vlc_wraptext
VLC_EXPORT( char *, vlc_wraptext, ( const char *, int, vlc_bool_t ) );

Sam Hocevar's avatar
 
Sam Hocevar committed
758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774
/*****************************************************************************
 * CPU capabilities
 *****************************************************************************/
#define CPU_CAPABILITY_NONE    0
#define CPU_CAPABILITY_486     (1<<0)
#define CPU_CAPABILITY_586     (1<<1)
#define CPU_CAPABILITY_PPRO    (1<<2)
#define CPU_CAPABILITY_MMX     (1<<3)
#define CPU_CAPABILITY_3DNOW   (1<<4)
#define CPU_CAPABILITY_MMXEXT  (1<<5)
#define CPU_CAPABILITY_SSE     (1<<6)
#define CPU_CAPABILITY_ALTIVEC (1<<16)
#define CPU_CAPABILITY_FPU     (1<<31)

/*****************************************************************************
 * I18n stuff
 *****************************************************************************/
775 776
VLC_EXPORT( char *, vlc_dgettext, ( const char *package, const char *msgid ) );

777
#if defined( ENABLE_NLS ) && \
778 779
     (defined(MODULE_NAME_IS_gnome)||defined(MODULE_NAME_IS_gnome_main)||\
      defined(MODULE_NAME_IS_gnome2)||defined(MODULE_NAME_IS_gnome2_main))
780
    /* Declare nothing: gnome.h will do it for us */
781 782
#elif defined( ENABLE_NLS )
#if defined( HAVE_INCLUDED_GETTEXT )
783
#   include "libintl.h"
784 785 786
#else
#   include <libintl.h>
#endif
787
#   undef _
788
#if defined( __BORLANDC__ )
Sam Hocevar's avatar
Sam Hocevar committed
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
795 796
#   define _(String) ((char*)(String))
#   define N_(String) ((char*)(String))
Sam Hocevar's avatar
 
Sam Hocevar committed
797 798
#endif

799
/*****************************************************************************
800
 * Additional vlc stuff
801
 *****************************************************************************/
802
#include "vlc_symbols.h"
803 804
#include "os_specific.h"
#include "vlc_messages.h"
Sam Hocevar's avatar
Sam Hocevar committed
805 806
#include "variables.h"
#include "vlc_objects.h"
807
#include "vlc_threads_funcs.h"
808 809 810 811 812 813 814 815 816 817
#include "mtime.h"
#include "modules.h"
#include "main.h"
#include "configuration.h"

#if defined( __BORLANDC__ )
#   undef PACKAGE
#   define PACKAGE
#endif