vlc_common.h 30.6 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
6
 * $Id: vlc_common.h,v 1.100 2004/01/08 11:18:27 fenrir 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
 *****************************************************************************/
Gildas Bazin's avatar
 
Gildas Bazin committed
54
#include <stdlib.h>
55 56
#include <stdarg.h>

Sam Hocevar's avatar
 
Sam Hocevar committed
57 58 59 60 61 62 63
#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
64 65 66 67

/*****************************************************************************
 * Basic types definitions
 *****************************************************************************/
68
#if defined( HAVE_STDINT_H )
69
#   include <stdint.h>
70 71
#elif defined( HAVE_INTTYPES_H )
#   include <inttypes.h>
72 73 74 75 76 77 78
#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
79
#else
80 81 82 83 84 85 86
    /* 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;
87 88 89
#   if defined( _MSC_VER ) \
      || defined( UNDER_CE ) \
      || ( defined( WIN32 ) && !defined( __MINGW32__ ) )
90 91
    typedef unsigned __int64    uint64_t;
    typedef signed __int64      int64_t;
92
#   else
93 94
    typedef unsigned long long  uint64_t;
    typedef signed long long    int64_t;
95
#   endif
Sam Hocevar's avatar
Sam Hocevar committed
96 97
    typedef uint32_t            uintptr_t;
    typedef int32_t             intptr_t;
Sam Hocevar's avatar
 
Sam Hocevar committed
98 99
#endif

100
typedef uint8_t                 byte_t;
101

Sam Hocevar's avatar
 
Sam Hocevar committed
102 103 104 105 106 107 108 109 110 111 112 113
/* 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
114 115
#if defined( WIN32 )
#   include <malloc.h>
116 117 118
#   ifndef PATH_MAX
#       define PATH_MAX MAX_PATH
#   endif
Gildas Bazin's avatar
 
Gildas Bazin committed
119 120
#endif

121
#if (defined( WIN32 ) || defined( UNDER_CE )) && !defined( _SSIZE_T_ )
Gildas Bazin's avatar
 
Gildas Bazin committed
122
typedef int                 ssize_t;
Xavier Marchesini's avatar
 
Xavier Marchesini committed
123 124
#endif

Sam Hocevar's avatar
 
Sam Hocevar committed
125 126 127 128
/* Counter for statistics and profiling */
typedef unsigned long       count_t;

/* DCT elements types */
129
typedef int16_t             dctelem_t;
Sam Hocevar's avatar
 
Sam Hocevar committed
130 131

/* Video buffer types */
132
typedef uint8_t             yuv_data_t;
Sam Hocevar's avatar
 
Sam Hocevar committed
133

134
/* Audio volume */
135 136
typedef uint16_t            audio_volume_t;

137 138 139 140
#ifndef HAVE_SOCKLEN_T
typedef int                 socklen_t;
#endif

Sigmund Augdal Helberg's avatar
Sigmund Augdal Helberg committed
141 142 143
/**
 * High precision date or time interval
 *
144 145
 * 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
146
 * time interval is then 292271 years, which should be long enough for any
147 148
 * 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
149
 * arithmetic operators, and that no special functions are required.
Sigmund Augdal Helberg's avatar
Sigmund Augdal Helberg committed
150
 */
151
typedef int64_t mtime_t;
Sam Hocevar's avatar
 
Sam Hocevar committed
152

Sigmund Augdal Helberg's avatar
Sigmund Augdal Helberg committed
153
/**
154
 * The vlc_fourcc_t type.
Sigmund Augdal Helberg's avatar
Sigmund Augdal Helberg committed
155
 *
156
 * See http://www.webartz.com/fourcc/ for a very detailed list.
Sigmund Augdal Helberg's avatar
Sigmund Augdal Helberg committed
157
 */
158
typedef uint32_t vlc_fourcc_t;
159

160 161
#ifdef WORDS_BIGENDIAN
#   define VLC_FOURCC( a, b, c, d ) \
162 163
        ( ((uint32_t)d) | ( ((uint32_t)c) << 8 ) \
           | ( ((uint32_t)b) << 16 ) | ( ((uint32_t)a) << 24 ) )
164
#   define VLC_TWOCC( a, b ) \
165
        ( (uint16_t)(b) | ( (uint16_t)(a) << 8 ) )
166

167 168
#else
#   define VLC_FOURCC( a, b, c, d ) \
169 170
        ( ((uint32_t)a) | ( ((uint32_t)b) << 8 ) \
           | ( ((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

Sam Hocevar's avatar
 
Sam Hocevar committed
176 177 178 179
/*****************************************************************************
 * Classes declaration
 *****************************************************************************/

180 181
/* Internal types */
typedef struct libvlc_t libvlc_t;
Sam Hocevar's avatar
Sam Hocevar committed
182 183
typedef struct vlc_t vlc_t;
typedef struct variable_t variable_t;
184

185
/* Messages */
186 187
typedef struct msg_bank_t msg_bank_t;
typedef struct msg_subscription_t msg_subscription_t;
Sam Hocevar's avatar
 
Sam Hocevar committed
188

Gildas Bazin's avatar
 
Gildas Bazin committed
189
/* Playlist */
190 191
typedef struct playlist_t playlist_t;
typedef struct playlist_item_t playlist_item_t;
192
typedef struct playlist_group_t playlist_group_t;
193 194
typedef struct item_info_t item_info_t;
typedef struct item_info_category_t item_info_category_t;
Sam Hocevar's avatar
 
Sam Hocevar committed
195

196
/* Modules */
197 198 199 200
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
201 202

/* Interface */
203 204 205 206 207
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
208 209

/* Input */
210
typedef struct input_thread_t input_thread_t;
211
typedef struct input_thread_sys_t input_thread_sys_t;
212 213 214 215 216 217 218 219 220 221 222 223 224
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
225

226 227 228 229 230 231
/* Format */
typedef struct audio_format_t audio_format_t;
typedef struct video_format_t video_format_t;
typedef struct subs_format_t subs_format_t;
typedef struct es_format_t  es_format_t;

232 233
/* NInput */
typedef struct stream_t stream_t;
234 235 236
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;
237
typedef struct demux_t  demux_t;
238

Sam Hocevar's avatar
 
Sam Hocevar committed
239
/* Audio */
240 241
typedef struct aout_instance_t aout_instance_t;
typedef struct aout_sys_t aout_sys_t;
242
typedef struct aout_fifo_t aout_fifo_t;
243 244
typedef struct aout_input_t aout_input_t;
typedef struct aout_buffer_t aout_buffer_t;
Gildas Bazin's avatar
 
Gildas Bazin committed
245
typedef audio_format_t audio_sample_format_t;
246
typedef struct audio_date_t audio_date_t;
Gildas Bazin's avatar
 
Gildas Bazin committed
247
typedef struct aout_filter_t aout_filter_t;
Sam Hocevar's avatar
 
Sam Hocevar committed
248 249

/* Video */
250 251 252
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
253
typedef video_format_t video_frame_format_t;
254 255 256 257 258
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;
259
typedef struct vout_synchro_t vout_synchro_t;
260 261
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
262

263 264 265
/* Stream output */
typedef struct sout_instance_t sout_instance_t;
typedef struct sout_fifo_t sout_fifo_t;
266
typedef struct sout_input_t sout_input_t;
267
typedef struct sout_packetizer_input_t sout_packetizer_input_t;
268
typedef struct sout_buffer_t sout_buffer_t;
269
typedef struct sout_access_out_t sout_access_out_t;
270
typedef struct sout_mux_t sout_mux_t;
271 272
typedef struct sout_stream_t    sout_stream_t;
typedef struct sout_cfg_t       sout_cfg_t;
273 274
/*typedef struct sap_session_t    sap_session_t;
typedef struct slp_session_t    slp_session_t;*/
275

Sam Hocevar's avatar
 
Sam Hocevar committed
276
/* Decoders */
Gildas Bazin's avatar
 
Gildas Bazin committed
277 278
typedef struct decoder_t      decoder_t;
typedef struct decoder_sys_t  decoder_sys_t;
Sam Hocevar's avatar
 
Sam Hocevar committed
279

Gildas Bazin's avatar
 
Gildas Bazin committed
280 281 282 283
/* Encoders */
typedef struct encoder_t      encoder_t;
typedef struct encoder_sys_t  encoder_sys_t;

Sam Hocevar's avatar
 
Sam Hocevar committed
284
/* Misc */
285 286 287 288 289 290 291
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 network_socket_t network_socket_t;
typedef struct iso639_lang_t iso639_lang_t;
292

293 294 295 296
/* block */
typedef struct block_t      block_t;
typedef struct block_fifo_t block_fifo_t;

297 298 299 300 301 302 303 304 305
/*****************************************************************************
 * 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
306 307 308 309
/*****************************************************************************
 * Plug-in stuff
 *****************************************************************************/
#ifndef __PLUGIN__
310
#   define VLC_EXPORT( type, name, args ) type name args
Gildas Bazin's avatar
 
Gildas Bazin committed
311
#else
312
#   define VLC_EXPORT( type, name, args ) struct _u_n_u_s_e_d_
Gildas Bazin's avatar
 
Gildas Bazin committed
313 314 315
    extern module_symbols_t* p_symbols;
#endif

316 317 318
/*****************************************************************************
 * OS-specific headers and thread types
 *****************************************************************************/
319
#if defined( WIN32 ) || defined( UNDER_CE )
320 321
#   define WIN32_LEAN_AND_MEAN
#   include <windows.h>
Gildas Bazin's avatar
 
Gildas Bazin committed
322
#   define IS_WINNT ( GetVersion() < 0x80000000 )
323 324
#endif

325 326 327 328 329 330 331 332
#include "vlc_threads.h"

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

/* VLC_COMMON_MEMBERS : members common to all basic vlc objects */
#define VLC_COMMON_MEMBERS                                                  \
333 334 335 336
/** \name VLC_COMMON_MEMBERS                                                \
 * these members are common for all vlc objects                             \
 */                                                                         \
/**@{*/                                                                     \
337 338 339 340 341 342 343 344
    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
345 346 347 348
                                                                            \
    /* Object access lock */                                                \
    vlc_mutex_t  object_lock;                                               \
    vlc_cond_t   object_wait;                                               \
349
                                                                            \
Sam Hocevar's avatar
Sam Hocevar committed
350
    /* Object properties */                                                 \
351 352 353 354
    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 */ \
355
                                                                            \
Sam Hocevar's avatar
Sam Hocevar committed
356 357 358 359 360 361
    /* Object variables */                                                  \
    vlc_mutex_t     var_lock;                                               \
    int             i_vars;                                                 \
    variable_t *    p_vars;                                                 \
                                                                            \
    /* Stuff related to the libvlc structure */                             \
362 363
    libvlc_t *      p_libvlc;                      /**< root of all evil */ \
    vlc_t *         p_vlc;                   /**< (root of all evil) - 1 */ \
364
                                                                            \
365 366 367
    volatile int    i_refcount;                         /**< usage count */ \
    vlc_object_t *  p_parent;                            /**< our parent */ \
    vlc_object_t ** pp_children;                       /**< our children */ \
368 369
    volatile int    i_children;                                             \
                                                                            \
370 371 372
    /* Private data */                                                      \
    void *          p_private;                                              \
                                                                            \
373
    /** Just a reminder so that people don't cast garbage */                \
374
    int be_sure_to_add_VLC_COMMON_MEMBERS_to_struct;                        \
375
/**@}*/                                                                     \
376

377 378
/* VLC_OBJECT: attempt at doing a clever cast */
#define VLC_OBJECT( x ) \
379
    ((vlc_object_t *)(x))+0*(x)->be_sure_to_add_VLC_COMMON_MEMBERS_to_struct
380

Sam Hocevar's avatar
 
Sam Hocevar committed
381 382 383 384 385 386
/*****************************************************************************
 * Macros and inline functions
 *****************************************************************************/
#ifdef NTOHL_IN_SYS_PARAM_H
#   include <sys/param.h>

387
#elif !defined(WIN32) && !defined( UNDER_CE )
Sam Hocevar's avatar
 
Sam Hocevar committed
388 389 390 391 392 393 394 395 396 397
#   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
398 399 400
/* __MAX and __MIN: self explanatory */
#ifndef __MAX
#   define __MAX(a, b)   ( ((a) > (b)) ? (a) : (b) )
Sam Hocevar's avatar
 
Sam Hocevar committed
401
#endif
Sam Hocevar's avatar
 
Sam Hocevar committed
402 403
#ifndef __MIN
#   define __MIN(a, b)   ( ((a) < (b)) ? (a) : (b) )
Sam Hocevar's avatar
 
Sam Hocevar committed
404 405
#endif

406 407 408 409 410 411 412 413 414 415 416 417
/* 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
418 419 420 421 422 423
        if( (i_oldsize) - (i_pos) )                                           \
        {                                                                     \
            memmove( (p_ar) + (i_pos) + 1,                                    \
                     (p_ar) + (i_pos),                                        \
                     ((i_oldsize) - (i_pos)) * sizeof( *(p_ar) ) );           \
        }                                                                     \
424 425 426 427 428 429 430 431
        (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
432 433 434 435 436 437
        if( (i_oldsize) - (i_pos) - 1 )                                       \
        {                                                                     \
            memmove( (p_ar) + (i_pos),                                        \
                     (p_ar) + (i_pos) + 1,                                    \
                     ((i_oldsize) - (i_pos) - 1) * sizeof( *(p_ar) ) );       \
        }                                                                     \
438 439 440 441 442 443 444 445 446 447 448 449 450 451
        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 )


452 453 454
#define TAB_APPEND( count, tab, p )             \
    if( (count) > 0 )                           \
    {                                           \
455 456
        (*(void **)(&tab)) =                    \
            realloc( tab, sizeof( void ** ) * ( (count) + 1 ) ); \
457 458 459
    }                                           \
    else                                        \
    {                                           \
460
        (*(void **)(&tab)) = malloc( sizeof( void ** ) );    \
461
    }                                           \
462
    ((void**)(tab))[count] = (void*)(p);        \
463 464 465 466 467 468 469 470
    (count)++

#define TAB_FIND( count, tab, p, index )        \
    {                                           \
        int _i_;                                \
        (index) = -1;                           \
        for( _i_ = 0; _i_ < (count); _i_++ )    \
        {                                       \
471
            if( ((void**)(tab))[_i_] == (void*)(p) )  \
472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499
            {                                   \
                (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
500 501 502
/* 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
503
 * the VAX seems to have such exotic properties. */
504
static inline uint16_t U16_AT( void * _p )
505
{
506 507
    uint8_t * p = (uint8_t *)_p;
    return ( ((uint16_t)p[0] << 8) | p[1] );
508
}
509
static inline uint32_t U32_AT( void * _p )
510
{
511 512 513
    uint8_t * p = (uint8_t *)_p;
    return ( ((uint32_t)p[0] << 24) | ((uint32_t)p[1] << 16)
              | ((uint32_t)p[2] << 8) | p[3] );
514
}
515
static inline uint64_t U64_AT( void * _p )
516
{
517 518 519 520 521
    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] );
522
}
523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548

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
549
#if WORDS_BIGENDIAN
550 551
#   define hton16(i)   ( i )
#   define hton32(i)   ( i )
Sam Hocevar's avatar
 
Sam Hocevar committed
552
#   define hton64(i)   ( i )
553 554
#   define ntoh16(i)   ( i )
#   define ntoh32(i)   ( i )
Sam Hocevar's avatar
 
Sam Hocevar committed
555 556
#   define ntoh64(i)   ( i )
#else
557 558 559 560 561 562
#   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
563 564
#endif

565 566 567 568 569 570 571
/* 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
572 573 574 575 576 577 578
/* 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
579 580 581 582 583 584 585 586 587 588 589 590
/* 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
591 592 593
#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
594

595
#   define vlc_memalign(pp_orig,align,size) \
Gildas Bazin's avatar
 
Gildas Bazin committed
596 597 598
    ( *(pp_orig) = memalign( align, size ) )

#else /* We don't have any choice but to align manually */
599 600 601
#   define vlc_memalign(pp_orig,align,size) \
    (( *(pp_orig) = malloc( size + align - 1 )) \
        ? (void *)( (((unsigned long)*(pp_orig)) + (unsigned long)(align-1) ) \
602
                       & (~(unsigned long)(align-1)) ) \
603
        : NULL )
Gildas Bazin's avatar
 
Gildas Bazin committed
604

Sam Hocevar's avatar
 
Sam Hocevar committed
605 606
#endif

607
/* Stuff defined in src/extras/libc.c */
608
#ifndef HAVE_STRDUP
609 610 611 612
#   define strdup vlc_strdup
    VLC_EXPORT( char *, vlc_strdup, ( const char *s ) );
#elif !defined(__PLUGIN__)
#   define vlc_strdup NULL
613
#endif
614

615
#if !defined(HAVE_VASPRINTF) || defined(SYS_DARWIN) || defined(SYS_BEOS)
616
#   define vasprintf vlc_vasprintf
617
    VLC_EXPORT( int, vlc_vasprintf, (char **, const char *, va_list ) );
618 619 620 621
#elif !defined(__PLUGIN__)
#   define vlc_vasprintf NULL
#endif

622
#ifndef HAVE_STRNDUP
623
#   if defined(STRNDUP_IN_GNOME_H) && \
624 625
        (defined(MODULE_NAME_IS_gnome)||defined(MODULE_NAME_IS_gnome_main)||\
         defined(MODULE_NAME_IS_gnome2)||defined(MODULE_NAME_IS_gnome2_main))
626 627 628 629 630
        /* 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
631 632
#elif !defined(__PLUGIN__)
#   define vlc_strndup NULL
633 634 635
#endif

#ifndef HAVE_ATOF
636 637 638 639
#   define atof vlc_atof
    VLC_EXPORT( double, vlc_atof, ( const char *nptr ) );
#elif !defined(__PLUGIN__)
#   define vlc_atof NULL
640 641
#endif

642 643 644 645 646 647 648
#ifndef HAVE_ATOLL
#   define atoll vlc_atoll
    VLC_EXPORT( int64_t, vlc_atoll, ( const char *nptr ) );
#elif !defined(__PLUGIN__)
#   define vlc_atoll NULL
#endif

649
#ifndef HAVE_GETENV
650 651 652 653
#   define getenv vlc_getenv
    VLC_EXPORT( char *, vlc_getenv, ( const char *name ) );
#elif !defined(__PLUGIN__)
#   define vlc_getenv NULL
654 655 656 657 658
#endif

#ifndef HAVE_STRCASECMP
#   ifdef HAVE_STRICMP
#       define strcasecmp stricmp
Gildas Bazin's avatar
 
Gildas Bazin committed
659 660 661
#       if !defined(__PLUGIN__)
#           define vlc_strcasecmp NULL
#       endif
662 663 664
#   elif !defined(__PLUGIN__)
#       define strcasecmp vlc_strcasecmp
        VLC_EXPORT( int, vlc_strcasecmp, ( const char *s1, const char *s2 ) );
665
#   endif
666 667
#elif !defined(__PLUGIN__)
#   define vlc_strcasecmp NULL
668 669 670 671 672
#endif

#ifndef HAVE_STRNCASECMP
#   ifdef HAVE_STRNICMP
#       define strncasecmp strnicmp
Gildas Bazin's avatar
 
Gildas Bazin committed
673 674 675
#       if !defined(__PLUGIN__)
#           define vlc_strncasecmp NULL
#       endif
676 677 678
#   elif !defined(__PLUGIN__)
#       define strncasecmp vlc_strncasecmp
        VLC_EXPORT( int, vlc_strncasecmp, ( const char *s1, const char *s2, size_t n ) );
679
#   endif
680 681
#elif !defined(__PLUGIN__)
#   define vlc_strncasecmp NULL
682 683
#endif

Gildas Bazin's avatar
 
Gildas Bazin committed
684
/* Format type specifiers for 64 bits numbers */
685
#if !defined(WIN32) && !defined(UNDER_CE)
Gildas Bazin's avatar
 
Gildas Bazin committed
686 687 688 689 690 691 692 693 694 695 696 697 698
#   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"
699
#endif /* defined(WIN32)||defined(UNDER_CE) */
Gildas Bazin's avatar
 
Gildas Bazin committed
700 701

/* 64 bits integer constant suffix */
Gildas Bazin's avatar
 
Gildas Bazin committed
702
#if defined( __MINGW32__ ) || (!defined(WIN32) && !defined(UNDER_CE))
Gildas Bazin's avatar
 
Gildas Bazin committed
703 704 705
#   define I64C(x)         x##LL
#else
#   define I64C(x)         x##i64
706
#endif /* defined(WIN32)||defined(UNDER_CE) */
Sam Hocevar's avatar
 
Sam Hocevar committed
707

708
#if defined(WIN32) || defined(UNDER_CE)
Sam Hocevar's avatar
 
Sam Hocevar committed
709
/* win32, cl and icl support */
Sam Hocevar's avatar
 
Sam Hocevar committed
710
#   if defined( _MSC_VER ) || !defined( __MINGW32__ )
Sam Hocevar's avatar
 
Sam Hocevar committed
711 712
#       define __attribute__(x)
#       define __inline__      __inline
Gildas Bazin's avatar
 
Gildas Bazin committed
713
#       define S_IFBLK         0x3000  /* Block */
Sam Hocevar's avatar
 
Sam Hocevar committed
714 715 716 717 718 719 720 721 722 723 724 725 726
#       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
727 728 729
#           ifdef off_t
#               undef off_t
#           endif
Sam Hocevar's avatar
 
Sam Hocevar committed
730 731 732 733 734 735 736 737 738 739 740 741 742
#           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
743
#   if defined( __BORLANDC__ )
Sam Hocevar's avatar
 
Sam Hocevar committed
744
#       undef off_t
Olivier Teulière's avatar
 
Olivier Teulière committed
745
#       define off_t unsigned __int64
Sam Hocevar's avatar
 
Sam Hocevar committed
746 747
#   endif

Gildas Bazin's avatar
 
Gildas Bazin committed
748 749
#   ifndef O_NONBLOCK
#       define O_NONBLOCK 0
Gildas Bazin's avatar
 
Gildas Bazin committed
750 751 752 753
#   endif

#   ifndef alloca
#       define alloca _alloca
Gildas Bazin's avatar
 
Gildas Bazin committed
754 755
#   endif

756
    /* These two are not defined in mingw32 (bug?) */
Sam Hocevar's avatar
 
Sam Hocevar committed
757
#   ifndef snprintf
758 759 760 761
#       define snprintf _snprintf
#   endif
#   ifndef vsnprintf
#       define vsnprintf _vsnprintf
Sam Hocevar's avatar
 
Sam Hocevar committed
762 763 764 765
#   endif

#endif

766
/* lseek (defined in src/extras/libc.c) */
767
#ifndef HAVE_LSEEK
768 769 770 771
#   define lseek vlc_lseek
    VLC_EXPORT( off_t, vlc_lseek, ( int fildes, off_t offset, int whence ) );
#elif !defined(__PLUGIN__)
#   define vlc_lseek NULL
772 773
#endif

Gildas Bazin's avatar
 
Gildas Bazin committed
774 775 776 777
/* 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
778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794
/*****************************************************************************
 * 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
 *****************************************************************************/
795 796
VLC_EXPORT( char *, vlc_dgettext, ( const char *package, const char *msgid ) );

797
#if defined( ENABLE_NLS ) && \
798
     (defined(MODULE_NAME_IS_gnome)||defined(MODULE_NAME_IS_gnome_main)||\
Jean-Paul Saman's avatar
Jean-Paul Saman committed
799 800
      defined(MODULE_NAME_IS_gnome2)||defined(MODULE_NAME_IS_gnome2_main)||\
      defined(MODULE_NAME_IS_pda))
801
    /* Declare nothing: gnome.h will do it for us */
802 803
#elif defined( ENABLE_NLS )
#if defined( HAVE_INCLUDED_GETTEXT )
804
#   include "libintl.h"
805 806 807
#else
#   include <libintl.h>
#endif
808
#   undef _
809
#if defined( __BORLANDC__ )
Sam Hocevar's avatar
Sam Hocevar committed
810
#define _(String) vlc_dgettext (PACKAGE_TARNAME, String)
811
#else
812
#   define _(String) vlc_dgettext (PACKAGE, String)
813
#endif
814
#   define N_(String) ((char*)(String))
815
#else
816 817
#   define _(String) ((char*)(String))
#   define N_(String) ((char*)(String))
Sam Hocevar's avatar
 
Sam Hocevar committed
818 819
#endif

820
/*****************************************************************************
821
 * Additional vlc stuff
822
 *****************************************************************************/
823
#include "vlc_symbols.h"
824 825
#include "os_specific.h"
#include "vlc_messages.h"
Sam Hocevar's avatar
Sam Hocevar committed
826 827
#include "variables.h"
#include "vlc_objects.h"
828
#include "vlc_threads_funcs.h"
829 830 831 832 833 834 835 836 837 838
#include "mtime.h"
#include "modules.h"
#include "main.h"
#include "configuration.h"

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