vlc_common.h 34 KB
Newer Older
Sam Hocevar's avatar
 
Sam Hocevar committed
1 2 3 4
/*****************************************************************************
 * common.h: common definitions
 * Collection of useful common types and macros definitions
 *****************************************************************************
5
 * Copyright (C) 1998-2004 VideoLAN
6
 * $Id$
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
Gildas Bazin's avatar
 
Gildas Bazin committed
46 47
#elif defined( _MSC_VER )
#   pragma warning( disable : 4244 )
48 49
#endif

50 51 52
#include "vlc_config.h"
#include "modules_inner.h"

Sam Hocevar's avatar
 
Sam Hocevar committed
53 54 55
/*****************************************************************************
 * Required system headers
 *****************************************************************************/
Gildas Bazin's avatar
 
Gildas Bazin committed
56
#include <stdlib.h>
57 58
#include <stdarg.h>

Sam Hocevar's avatar
 
Sam Hocevar committed
59 60 61 62 63 64 65
#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
66 67 68 69

/*****************************************************************************
 * Basic types definitions
 *****************************************************************************/
70
#if defined( HAVE_STDINT_H )
71
#   include <stdint.h>
72 73
#elif defined( HAVE_INTTYPES_H )
#   include <inttypes.h>
74 75 76 77 78 79 80
#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
81
#else
82 83 84 85 86 87 88
    /* 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;
89 90 91
#   if defined( _MSC_VER ) \
      || defined( UNDER_CE ) \
      || ( defined( WIN32 ) && !defined( __MINGW32__ ) )
92 93
    typedef unsigned __int64    uint64_t;
    typedef signed __int64      int64_t;
94
#   else
95 96
    typedef unsigned long long  uint64_t;
    typedef signed long long    int64_t;
97
#   endif
Sam Hocevar's avatar
Sam Hocevar committed
98 99
    typedef uint32_t            uintptr_t;
    typedef int32_t             intptr_t;
Sam Hocevar's avatar
 
Sam Hocevar committed
100 101
#endif

102
typedef uint8_t                 byte_t;
103

Sam Hocevar's avatar
 
Sam Hocevar committed
104 105 106 107 108 109 110 111 112 113 114 115
/* 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
116 117
#if defined( WIN32 )
#   include <malloc.h>
118 119 120
#   ifndef PATH_MAX
#       define PATH_MAX MAX_PATH
#   endif
Gildas Bazin's avatar
 
Gildas Bazin committed
121 122
#endif

123
#if (defined( WIN32 ) || defined( UNDER_CE )) && !defined( _SSIZE_T_ )
Gildas Bazin's avatar
 
Gildas Bazin committed
124
typedef int                 ssize_t;
Xavier Marchesini's avatar
 
Xavier Marchesini committed
125 126
#endif

Sam Hocevar's avatar
 
Sam Hocevar committed
127 128 129 130
/* Counter for statistics and profiling */
typedef unsigned long       count_t;

/* DCT elements types */
131
typedef int16_t             dctelem_t;
Sam Hocevar's avatar
 
Sam Hocevar committed
132 133

/* Video buffer types */
134
typedef uint8_t             yuv_data_t;
Sam Hocevar's avatar
 
Sam Hocevar committed
135

136
/* Audio volume */
137 138
typedef uint16_t            audio_volume_t;

139 140 141 142
#ifndef HAVE_SOCKLEN_T
typedef int                 socklen_t;
#endif

Sigmund Augdal Helberg's avatar
Sigmund Augdal Helberg committed
143 144 145
/**
 * High precision date or time interval
 *
146 147
 * 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
148
 * time interval is then 292271 years, which should be long enough for any
149 150
 * 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
151
 * arithmetic operators, and that no special functions are required.
Sigmund Augdal Helberg's avatar
Sigmund Augdal Helberg committed
152
 */
153
typedef int64_t mtime_t;
Sam Hocevar's avatar
 
Sam Hocevar committed
154

Sigmund Augdal Helberg's avatar
Sigmund Augdal Helberg committed
155
/**
156
 * The vlc_fourcc_t type.
Sigmund Augdal Helberg's avatar
Sigmund Augdal Helberg committed
157
 *
158
 * See http://www.webartz.com/fourcc/ for a very detailed list.
Sigmund Augdal Helberg's avatar
Sigmund Augdal Helberg committed
159
 */
160
typedef uint32_t vlc_fourcc_t;
161

162 163
#ifdef WORDS_BIGENDIAN
#   define VLC_FOURCC( a, b, c, d ) \
164 165
        ( ((uint32_t)d) | ( ((uint32_t)c) << 8 ) \
           | ( ((uint32_t)b) << 16 ) | ( ((uint32_t)a) << 24 ) )
166
#   define VLC_TWOCC( a, b ) \
167
        ( (uint16_t)(b) | ( (uint16_t)(a) << 8 ) )
168

169 170
#else
#   define VLC_FOURCC( a, b, c, d ) \
171 172
        ( ((uint32_t)a) | ( ((uint32_t)b) << 8 ) \
           | ( ((uint32_t)c) << 16 ) | ( ((uint32_t)d) << 24 ) )
173
#   define VLC_TWOCC( a, b ) \
174
        ( (uint16_t)(a) | ( (uint16_t)(b) << 8 ) )
175 176

#endif
177

Sam Hocevar's avatar
 
Sam Hocevar committed
178 179 180 181
/*****************************************************************************
 * Classes declaration
 *****************************************************************************/

182 183
/* Internal types */
typedef struct libvlc_t libvlc_t;
Sam Hocevar's avatar
Sam Hocevar committed
184 185
typedef struct vlc_t vlc_t;
typedef struct variable_t variable_t;
186
typedef struct date_t date_t;
187

188
/* Messages */
189 190
typedef struct msg_bank_t msg_bank_t;
typedef struct msg_subscription_t msg_subscription_t;
Sam Hocevar's avatar
 
Sam Hocevar committed
191

Gildas Bazin's avatar
 
Gildas Bazin committed
192
/* Playlist */
Derk-Jan Hartman's avatar
Derk-Jan Hartman committed
193 194 195 196 197 198 199 200 201 202 203 204 205 206

/* FIXME */
/**
 * Playlist commands
 */
typedef enum {
    PLAYLIST_PLAY,                              /**< Starts playing. No arg. */
    PLAYLIST_PAUSE,                     /**< Toggles playlist pause. No arg. */
    PLAYLIST_STOP,                               /**< Stops playing. No arg. */
    PLAYLIST_SKIP,                               /**< Skip X items and play. */
    PLAYLIST_GOTO,                                       /**< Goto Xth item. */
} playlist_command_t;


207 208
typedef struct playlist_t playlist_t;
typedef struct playlist_item_t playlist_item_t;
209
typedef struct playlist_group_t playlist_group_t;
210
typedef struct playlist_export_t playlist_export_t;
Sam Hocevar's avatar
 
Sam Hocevar committed
211

212
/* Modules */
213 214 215 216
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;
217
typedef struct module_cache_t module_cache_t;
Sam Hocevar's avatar
 
Sam Hocevar committed
218 219

/* Interface */
220 221 222 223 224
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
225 226

/* Input */
227
typedef struct input_thread_t input_thread_t;
228
typedef struct input_thread_sys_t input_thread_sys_t;
229
typedef struct input_item_t input_item_t;
230 231 232 233 234 235 236 237 238 239
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 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;
Gildas Bazin's avatar
Gildas Bazin committed
240
typedef struct seekpoint_t seekpoint_t;
241 242
typedef struct info_t info_t;
typedef struct info_category_t info_category_t;
Sam Hocevar's avatar
 
Sam Hocevar committed
243

244 245 246 247
/* 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;
Gildas Bazin's avatar
 
Gildas Bazin committed
248 249
typedef struct es_format_t es_format_t;
typedef struct video_palette_t video_palette_t;
250

251
/* NInput */
252 253
typedef struct stream_sys_t stream_sys_t;
typedef struct stream_t     stream_t;
254 255 256
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;
257
typedef struct demux_t  demux_t;
258
typedef struct access_t access_t;
259

Sam Hocevar's avatar
 
Sam Hocevar committed
260
/* Audio */
261 262
typedef struct aout_instance_t aout_instance_t;
typedef struct aout_sys_t aout_sys_t;
263
typedef struct aout_fifo_t aout_fifo_t;
264 265
typedef struct aout_input_t aout_input_t;
typedef struct aout_buffer_t aout_buffer_t;
Gildas Bazin's avatar
 
Gildas Bazin committed
266
typedef audio_format_t audio_sample_format_t;
267
typedef struct audio_date_t audio_date_t;
Gildas Bazin's avatar
 
Gildas Bazin committed
268
typedef struct aout_filter_t aout_filter_t;
Sam Hocevar's avatar
 
Sam Hocevar committed
269 270

/* Video */
271 272 273
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
274
typedef video_format_t video_frame_format_t;
275 276 277 278 279
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;
280
typedef struct subpicture_region_t subpicture_region_t;
281
typedef struct vout_synchro_t vout_synchro_t;
282 283
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
284

285 286
/* Stream output */
typedef struct sout_instance_t sout_instance_t;
287 288
typedef struct sout_instance_sys_t sout_instance_sys_t;

289
typedef struct sout_input_t sout_input_t;
290
typedef struct sout_packetizer_input_t sout_packetizer_input_t;
291

292
typedef struct sout_access_out_t sout_access_out_t;
293 294
typedef struct sout_access_out_sys_t   sout_access_out_sys_t;

295
typedef struct sout_mux_t sout_mux_t;
296 297
typedef struct sout_mux_sys_t sout_mux_sys_t;

298
typedef struct sout_stream_t    sout_stream_t;
299 300
typedef struct sout_stream_sys_t sout_stream_sys_t;

301
typedef struct sout_cfg_t       sout_cfg_t;
302 303 304 305 306 307 308
typedef struct sap_session_t    sap_session_t;
typedef struct sap_address_t sap_address_t;
typedef struct session_descriptor_t session_descriptor_t;
typedef struct announce_method_t announce_method_t;
typedef struct announce_handler_t announce_handler_t;
typedef struct sap_handler_t sap_handler_t;
//typedef struct slp_session_t    slp_session_t;
309

Sam Hocevar's avatar
 
Sam Hocevar committed
310
/* Decoders */
Gildas Bazin's avatar
 
Gildas Bazin committed
311 312
typedef struct decoder_t      decoder_t;
typedef struct decoder_sys_t  decoder_sys_t;
Sam Hocevar's avatar
 
Sam Hocevar committed
313

Gildas Bazin's avatar
 
Gildas Bazin committed
314 315 316 317
/* Encoders */
typedef struct encoder_t      encoder_t;
typedef struct encoder_sys_t  encoder_sys_t;

318 319 320 321
/* Filters */
typedef struct filter_t filter_t;
typedef struct filter_sys_t filter_sys_t;

Sam Hocevar's avatar
 
Sam Hocevar committed
322
/* Misc */
323 324 325 326 327 328
typedef struct data_packet_t data_packet_t;
typedef struct data_buffer_t data_buffer_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;
329

330 331 332 333
/* block */
typedef struct block_t      block_t;
typedef struct block_fifo_t block_fifo_t;

334 335 336 337 338 339 340 341 342 343 344 345 346 347
/* httpd */
typedef struct httpd_t          httpd_t;
typedef struct httpd_host_t     httpd_host_t;
typedef struct httpd_url_t      httpd_url_t;
typedef struct httpd_client_t   httpd_client_t;
typedef struct httpd_callback_sys_t httpd_callback_sys_t;
typedef struct httpd_message_t  httpd_message_t;
typedef int    (*httpd_callback_t)( httpd_callback_sys_t *, httpd_client_t *, httpd_message_t *answer, httpd_message_t *query );
typedef struct httpd_file_t     httpd_file_t;
typedef struct httpd_file_sys_t httpd_file_sys_t;
typedef int (*httpd_file_callback_t)( httpd_file_sys_t*, httpd_file_t *, uint8_t *psz_request, uint8_t **pp_data, int *pi_data );
typedef struct httpd_redirect_t httpd_redirect_t;
typedef struct httpd_stream_t httpd_stream_t;

348 349 350 351
/* opengl */
typedef struct opengl_t     opengl_t;
typedef struct opengl_sys_t opengl_sys_t;

352
/* divers */
353 354 355 356
typedef struct vlc_meta_t    vlc_meta_t;

typedef struct vlm_t         vlm_t;
typedef struct vlm_message_t vlm_message_t;
357

358

359 360 361 362 363 364 365 366 367
/*****************************************************************************
 * 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
368 369 370 371
/*****************************************************************************
 * Plug-in stuff
 *****************************************************************************/
#ifndef __PLUGIN__
372
#   define VLC_EXPORT( type, name, args ) type name args
Gildas Bazin's avatar
 
Gildas Bazin committed
373
#else
374
#   define VLC_EXPORT( type, name, args ) struct _u_n_u_s_e_d_
Gildas Bazin's avatar
 
Gildas Bazin committed
375 376 377
    extern module_symbols_t* p_symbols;
#endif

378 379 380
/*****************************************************************************
 * OS-specific headers and thread types
 *****************************************************************************/
381
#if defined( WIN32 ) || defined( UNDER_CE )
382 383
#   define WIN32_LEAN_AND_MEAN
#   include <windows.h>
Gildas Bazin's avatar
 
Gildas Bazin committed
384
#   define IS_WINNT ( GetVersion() < 0x80000000 )
385 386
#endif

387 388 389 390 391 392 393 394
#include "vlc_threads.h"

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

/* VLC_COMMON_MEMBERS : members common to all basic vlc objects */
#define VLC_COMMON_MEMBERS                                                  \
395 396 397 398
/** \name VLC_COMMON_MEMBERS                                                \
 * these members are common for all vlc objects                             \
 */                                                                         \
/**@{*/                                                                     \
399 400 401 402 403 404 405 406
    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
407 408 409 410
                                                                            \
    /* Object access lock */                                                \
    vlc_mutex_t  object_lock;                                               \
    vlc_cond_t   object_wait;                                               \
411
                                                                            \
Sam Hocevar's avatar
Sam Hocevar committed
412
    /* Object properties */                                                 \
413 414 415 416
    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 */ \
417
    vlc_bool_t b_force;      /**< set by the outside (eg. module_Need()) */ \
418
                                                                            \
Sam Hocevar's avatar
Sam Hocevar committed
419 420 421 422 423 424
    /* Object variables */                                                  \
    vlc_mutex_t     var_lock;                                               \
    int             i_vars;                                                 \
    variable_t *    p_vars;                                                 \
                                                                            \
    /* Stuff related to the libvlc structure */                             \
425 426
    libvlc_t *      p_libvlc;                      /**< root of all evil */ \
    vlc_t *         p_vlc;                   /**< (root of all evil) - 1 */ \
427
                                                                            \
428 429 430
    volatile int    i_refcount;                         /**< usage count */ \
    vlc_object_t *  p_parent;                            /**< our parent */ \
    vlc_object_t ** pp_children;                       /**< our children */ \
431 432
    volatile int    i_children;                                             \
                                                                            \
433 434 435
    /* Private data */                                                      \
    void *          p_private;                                              \
                                                                            \
436
    /** Just a reminder so that people don't cast garbage */                \
437
    int be_sure_to_add_VLC_COMMON_MEMBERS_to_struct;                        \
438
/**@}*/                                                                     \
439

440 441
/* VLC_OBJECT: attempt at doing a clever cast */
#define VLC_OBJECT( x ) \
442
    ((vlc_object_t *)(x))+0*(x)->be_sure_to_add_VLC_COMMON_MEMBERS_to_struct
443

Sam Hocevar's avatar
 
Sam Hocevar committed
444 445 446 447 448 449
/*****************************************************************************
 * Macros and inline functions
 *****************************************************************************/
#ifdef NTOHL_IN_SYS_PARAM_H
#   include <sys/param.h>

450
#elif !defined(WIN32) && !defined( UNDER_CE )
Sam Hocevar's avatar
 
Sam Hocevar committed
451 452 453 454 455 456 457 458 459 460
#   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
461 462 463
/* __MAX and __MIN: self explanatory */
#ifndef __MAX
#   define __MAX(a, b)   ( ((a) > (b)) ? (a) : (b) )
Sam Hocevar's avatar
 
Sam Hocevar committed
464
#endif
Sam Hocevar's avatar
 
Sam Hocevar committed
465 466
#ifndef __MIN
#   define __MIN(a, b)   ( ((a) < (b)) ? (a) : (b) )
Sam Hocevar's avatar
 
Sam Hocevar committed
467 468
#endif

469 470 471 472 473 474 475 476 477 478 479 480
/* 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
481 482 483 484 485 486
        if( (i_oldsize) - (i_pos) )                                           \
        {                                                                     \
            memmove( (p_ar) + (i_pos) + 1,                                    \
                     (p_ar) + (i_pos),                                        \
                     ((i_oldsize) - (i_pos)) * sizeof( *(p_ar) ) );           \
        }                                                                     \
487 488 489 490 491 492 493 494
        (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
495 496 497 498 499 500
        if( (i_oldsize) - (i_pos) - 1 )                                       \
        {                                                                     \
            memmove( (p_ar) + (i_pos),                                        \
                     (p_ar) + (i_pos) + 1,                                    \
                     ((i_oldsize) - (i_pos) - 1) * sizeof( *(p_ar) ) );       \
        }                                                                     \
501 502 503 504 505 506 507 508 509 510 511 512 513 514
        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 )


515 516 517
#define TAB_APPEND( count, tab, p )             \
    if( (count) > 0 )                           \
    {                                           \
518
        (tab) = realloc( tab, sizeof( void ** ) * ( (count) + 1 ) ); \
519 520 521
    }                                           \
    else                                        \
    {                                           \
522
        (tab) = malloc( sizeof( void ** ) );    \
523
    }                                           \
524
    (tab)[count] = (p);        \
525 526 527 528 529 530 531 532
    (count)++

#define TAB_FIND( count, tab, p, index )        \
    {                                           \
        int _i_;                                \
        (index) = -1;                           \
        for( _i_ = 0; _i_ < (count); _i_++ )    \
        {                                       \
533
            if( (tab)[_i_] == (p) )  \
534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552
            {                                   \
                (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* ) );\
            }                                   \
553 554
            (count)--;                          \
            if( (count) == 0 )                  \
555 556 557 558 559 560 561
            {                                   \
                free( tab );                    \
                (tab) = NULL;                   \
            }                                   \
        }                                       \
    }

Sam Hocevar's avatar
 
Sam Hocevar committed
562 563 564
/* 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
565
 * the VAX seems to have such exotic properties. */
Sam Hocevar's avatar
Sam Hocevar committed
566
static inline uint16_t U16_AT( void const * _p )
567
{
568 569
    uint8_t * p = (uint8_t *)_p;
    return ( ((uint16_t)p[0] << 8) | p[1] );
570
}
Sam Hocevar's avatar
Sam Hocevar committed
571
static inline uint32_t U32_AT( void const * _p )
572
{
573 574 575
    uint8_t * p = (uint8_t *)_p;
    return ( ((uint32_t)p[0] << 24) | ((uint32_t)p[1] << 16)
              | ((uint32_t)p[2] << 8) | p[3] );
576
}
Sam Hocevar's avatar
Sam Hocevar committed
577
static inline uint64_t U64_AT( void const * _p )
578
{
579 580 581 582 583
    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] );
584
}
585

Sam Hocevar's avatar
Sam Hocevar committed
586
static inline uint16_t GetWLE( void const * _p )
587 588 589 590
{
    uint8_t * p = (uint8_t *)_p;
    return ( ((uint16_t)p[1] << 8) | p[0] );
}
Sam Hocevar's avatar
Sam Hocevar committed
591
static inline uint32_t GetDWLE( void const * _p )
592 593 594 595 596
{
    uint8_t * p = (uint8_t *)_p;
    return ( ((uint32_t)p[3] << 24) | ((uint32_t)p[2] << 16)
              | ((uint32_t)p[1] << 8) | p[0] );
}
Sam Hocevar's avatar
Sam Hocevar committed
597
static inline uint64_t GetQWLE( void const * _p )
598 599 600 601 602 603 604 605 606 607 608 609
{
    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 )

Gildas Bazin's avatar
 
Gildas Bazin committed
610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632
/* Helper writer functions */

#define SetWLE( p, v ) _SetWLE( (uint8_t*)p, v)
static inline void _SetWLE( uint8_t *p, uint16_t i_dw )
{
    p[1] = ( i_dw >>  8 )&0xff;
    p[0] = ( i_dw       )&0xff;
}

#define SetDWLE( p, v ) _SetDWLE( (uint8_t*)p, v)
static inline void _SetDWLE( uint8_t *p, uint32_t i_dw )
{
    p[3] = ( i_dw >> 24 )&0xff;
    p[2] = ( i_dw >> 16 )&0xff;
    p[1] = ( i_dw >>  8 )&0xff;
    p[0] = ( i_dw       )&0xff;
}
#define SetQWLE( p, v ) _SetQWLE( (uint8_t*)p, v)
static inline void _SetQWLE( uint8_t *p, uint64_t i_qw )
{
    SetDWLE( p,   i_qw&0xffffffff );
    SetDWLE( p+4, ( i_qw >> 32)&0xffffffff );
}
633

Sam Hocevar's avatar
 
Sam Hocevar committed
634
#if WORDS_BIGENDIAN
635 636
#   define hton16(i)   ( i )
#   define hton32(i)   ( i )
Sam Hocevar's avatar
 
Sam Hocevar committed
637
#   define hton64(i)   ( i )
638 639
#   define ntoh16(i)   ( i )
#   define ntoh32(i)   ( i )
Sam Hocevar's avatar
 
Sam Hocevar committed
640 641
#   define ntoh64(i)   ( i )
#else
642 643 644 645 646 647
#   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
648 649
#endif

650 651 652 653 654 655 656
/* 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
657 658 659 660 661 662 663
/* 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
664 665 666 667 668 669 670 671 672 673 674 675
/* 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
676 677 678
#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
679

680
#   define vlc_memalign(pp_orig,align,size) \
Gildas Bazin's avatar
 
Gildas Bazin committed
681 682 683
    ( *(pp_orig) = memalign( align, size ) )

#else /* We don't have any choice but to align manually */
684 685 686
#   define vlc_memalign(pp_orig,align,size) \
    (( *(pp_orig) = malloc( size + align - 1 )) \
        ? (void *)( (((unsigned long)*(pp_orig)) + (unsigned long)(align-1) ) \
687
                       & (~(unsigned long)(align-1)) ) \
688
        : NULL )
Gildas Bazin's avatar
 
Gildas Bazin committed
689

Sam Hocevar's avatar
 
Sam Hocevar committed
690 691
#endif

692
/* Stuff defined in src/extras/libc.c */
693
#ifndef HAVE_STRDUP
694 695 696 697
#   define strdup vlc_strdup
    VLC_EXPORT( char *, vlc_strdup, ( const char *s ) );
#elif !defined(__PLUGIN__)
#   define vlc_strdup NULL
698
#endif
699

700
#if !defined(HAVE_VASPRINTF) || defined(SYS_DARWIN) || defined(SYS_BEOS)
701
#   define vasprintf vlc_vasprintf
702
    VLC_EXPORT( int, vlc_vasprintf, (char **, const char *, va_list ) );
703 704 705 706
#elif !defined(__PLUGIN__)
#   define vlc_vasprintf NULL
#endif

Gildas Bazin's avatar
 
Gildas Bazin committed
707 708 709 710 711 712 713
#if !defined(HAVE_ASPRINTF) || defined(SYS_DARWIN) || defined(SYS_BEOS)
#   define asprintf vlc_asprintf
    VLC_EXPORT( int, vlc_asprintf, (char **, const char *, ... ) );
#elif !defined(__PLUGIN__)
#   define vlc_asprintf NULL
#endif

714
#ifndef HAVE_STRNDUP
715
#   if defined(STRNDUP_IN_GNOME_H) && \
716 717
        (defined(MODULE_NAME_IS_gnome)||defined(MODULE_NAME_IS_gnome_main)||\
         defined(MODULE_NAME_IS_gnome2)||defined(MODULE_NAME_IS_gnome2_main))
718 719 720 721 722
        /* 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
723 724
#elif !defined(__PLUGIN__)
#   define vlc_strndup NULL
725 726 727
#endif

#ifndef HAVE_ATOF
728 729 730 731
#   define atof vlc_atof
    VLC_EXPORT( double, vlc_atof, ( const char *nptr ) );
#elif !defined(__PLUGIN__)
#   define vlc_atof NULL
732 733
#endif

734 735 736 737 738 739 740
#ifndef HAVE_ATOLL
#   define atoll vlc_atoll
    VLC_EXPORT( int64_t, vlc_atoll, ( const char *nptr ) );
#elif !defined(__PLUGIN__)
#   define vlc_atoll NULL
#endif

741
#ifndef HAVE_GETENV
742 743 744 745
#   define getenv vlc_getenv
    VLC_EXPORT( char *, vlc_getenv, ( const char *name ) );
#elif !defined(__PLUGIN__)
#   define vlc_getenv NULL
746 747 748
#endif

#ifndef HAVE_STRCASECMP
749 750 751 752
#   ifndef HAVE_STRICMP
#       define strcasecmp vlc_strcasecmp
        VLC_EXPORT( int, vlc_strcasecmp, ( const char *s1, const char *s2 ) );
#   else
753
#       define strcasecmp stricmp
Gildas Bazin's avatar
 
Gildas Bazin committed
754 755 756
#       if !defined(__PLUGIN__)
#           define vlc_strcasecmp NULL
#       endif
757
#   endif
758 759
#elif !defined(__PLUGIN__)
#   define vlc_strcasecmp NULL
760 761 762
#endif

#ifndef HAVE_STRNCASECMP
763 764 765 766
#   ifndef HAVE_STRNICMP
#       define strncasecmp vlc_strncasecmp
        VLC_EXPORT( int, vlc_strncasecmp, ( const char *s1, const char *s2, size_t n ) );
#   else
767
#       define strncasecmp strnicmp
Gildas Bazin's avatar
 
Gildas Bazin committed
768 769 770
#       if !defined(__PLUGIN__)
#           define vlc_strncasecmp NULL
#       endif
771
#   endif
772 773
#elif !defined(__PLUGIN__)
#   define vlc_strncasecmp NULL
774 775
#endif

776
#ifndef HAVE_STRCASESTR
777 778 779 780
#   ifndef HAVE_STRISTR
#       define strcasestr vlc_strcasestr
        VLC_EXPORT( char *, vlc_strcasestr, ( const char *s1, const char *s2 ) );
#   else
781 782 783 784 785 786 787 788 789
#       define strcasestr stristr
#       if !defined(__PLUGIN__)
#           define vlc_strcasestr NULL
#       endif
#   endif
#elif !defined(__PLUGIN__)
#   define vlc_strcasestr NULL
#endif

Gildas Bazin's avatar
 
Gildas Bazin committed
790
/* Format type specifiers for 64 bits numbers */
791
#if !defined(WIN32) && !defined(UNDER_CE)
Gildas Bazin's avatar
 
Gildas Bazin committed
792 793 794 795 796 797 798 799 800 801 802 803 804
#   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"
805
#endif /* defined(WIN32)||defined(UNDER_CE) */
Gildas Bazin's avatar
 
Gildas Bazin committed
806 807

/* 64 bits integer constant suffix */
Gildas Bazin's avatar
 
Gildas Bazin committed
808
#if defined( __MINGW32__ ) || (!defined(WIN32) && !defined(UNDER_CE))
Gildas Bazin's avatar
 
Gildas Bazin committed
809
#   define I64C(x)         x##LL
Gildas Bazin's avatar
 
Gildas Bazin committed
810
#   define UI64C(x)        x##ULL
Gildas Bazin's avatar
 
Gildas Bazin committed
811 812
#else
#   define I64C(x)         x##i64
Gildas Bazin's avatar
 
Gildas Bazin committed
813
#   define UI64C(x)        x##ui64
814
#endif /* defined(WIN32)||defined(UNDER_CE) */
Sam Hocevar's avatar
 
Sam Hocevar committed
815

816
#if defined(WIN32) || defined(UNDER_CE)
Sam Hocevar's avatar
 
Sam Hocevar committed
817
/* win32, cl and icl support */
Sam Hocevar's avatar
 
Sam Hocevar committed
818
#   if defined( _MSC_VER ) || !defined( __MINGW32__ )
Sam Hocevar's avatar
 
Sam Hocevar committed
819 820
#       define __attribute__(x)
#       define __inline__      __inline
Gildas Bazin's avatar
 
Gildas Bazin committed
821
#       define S_IFBLK         0x3000  /* Block */
Sam Hocevar's avatar
 
Sam Hocevar committed
822 823 824 825 826 827 828 829 830 831 832 833 834
#       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
835 836 837
#           ifdef off_t
#               undef off_t
#           endif
Sam Hocevar's avatar
 
Sam Hocevar committed
838 839 840 841 842 843 844 845 846 847 848 849 850
#           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
851
#   if defined( __BORLANDC__ )
Sam Hocevar's avatar
 
Sam Hocevar committed
852
#       undef off_t
Olivier Teulière's avatar
 
Olivier Teulière committed
853
#       define off_t unsigned __int64
Sam Hocevar's avatar
 
Sam Hocevar committed
854 855
#   endif

Gildas Bazin's avatar
 
Gildas Bazin committed
856 857
#   ifndef O_NONBLOCK
#       define O_NONBLOCK 0
Gildas Bazin's avatar
 
Gildas Bazin committed
858 859 860 861
#   endif

#   ifndef alloca
#       define alloca _alloca
Gildas Bazin's avatar
 
Gildas Bazin committed
862 863
#   endif

864
    /* These two are not defined in mingw32 (bug?) */
Sam Hocevar's avatar
 
Sam Hocevar committed
865
#   ifndef snprintf
866 867 868 869
#       define snprintf _snprintf
#   endif
#   ifndef vsnprintf
#       define vsnprintf _vsnprintf
Sam Hocevar's avatar
 
Sam Hocevar committed
870 871 872 873
#   endif

#endif

874
/* lseek (defined in src/extras/libc.c) */
875
#ifndef HAVE_LSEEK
876 877 878 879
#   define lseek vlc_lseek
    VLC_EXPORT( off_t, vlc_lseek, ( int fildes, off_t offset, int whence ) );
#elif !defined(__PLUGIN__)
#   define vlc_lseek NULL
880 881
#endif

Gildas Bazin's avatar
 
Gildas Bazin committed
882 883 884 885
/* 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
886 887 888 889 890 891 892 893 894 895 896
/*****************************************************************************
 * 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)
897
#define CPU_CAPABILITY_SSE2    (1<<7)
Sam Hocevar's avatar
 
Sam Hocevar committed
898 899 900 901 902 903
#define CPU_CAPABILITY_ALTIVEC (1<<16)
#define CPU_CAPABILITY_FPU     (1<<31)

/*****************************************************************************
 * I18n stuff
 *****************************************************************************/
904 905
VLC_EXPORT( char *, vlc_dgettext, ( const char *package, const char *msgid ) );

906
#if defined( ENABLE_NLS ) && \
907
     (defined(MODULE_NAME_IS_gnome)||defined(MODULE_NAME_IS_gnome_main)||\
Jean-Paul Saman's avatar
Jean-Paul Saman committed
908 909
      defined(MODULE_NAME_IS_gnome2)||defined(MODULE_NAME_IS_gnome2_main)||\
      defined(MODULE_NAME_IS_pda))
910
    /* Declare nothing: gnome.h will do it for us */
911 912
#elif defined( ENABLE_NLS )
#if defined( HAVE_INCLUDED_GETTEXT )
913
#   include "libintl.h"
914 915 916
#else
#   include <libintl.h>
#endif
917
#   undef _
918
#if defined( __BORLANDC__ )
Sam Hocevar's avatar
Sam Hocevar committed
919
#define _(String) vlc_dgettext (PACKAGE_TARNAME, String)
920
#else
921
#   define _(String) vlc_dgettext (PACKAGE, String)
922
#endif
923
#   define N_(String) ((char*)(String))
924
#else
925 926
#   define _(String) ((char*)(String))
#   define N_(String) ((char*)(String))
Sam Hocevar's avatar
 
Sam Hocevar committed
927 928
#endif

929
/*****************************************************************************
930
 * Additional vlc stuff
931
 *****************************************************************************/
932
#include "vlc_symbols.h"
933 934
#include "os_specific.h"
#include "vlc_messages.h"
Sam Hocevar's avatar
Sam Hocevar committed
935 936
#include "variables.h"
#include "vlc_objects.h"
937
#include "vlc_threads_funcs.h"
938 939 940 941 942 943 944 945 946 947
#include "mtime.h"
#include "modules.h"
#include "main.h"
#include "configuration.h"

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