1 /*****************************************************************************
2 * common.h: common definitions
3 * Collection of useful common types and macros definitions
4 *****************************************************************************
5 * Copyright (C) 1998-2004 VideoLAN
8 * Authors: Samuel Hocevar <sam@via.ecp.fr>
9 * Vincent Seguin <seguin@via.ecp.fr>
10 * Gildas Bazin <gbazin@videolan.org>
12 * This program is free software; you can redistribute it and/or modify
13 * it under the terms of the GNU General Public License as published by
14 * the Free Software Foundation; either version 2 of the License, or
15 * (at your option) any later version.
17 * This program is distributed in the hope that it will be useful,
18 * but WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 * GNU General Public License for more details.
22 * You should have received a copy of the GNU General Public License
23 * along with this program; if not, write to the Free Software
24 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
25 *****************************************************************************/
29 * This file is a collection of common definitions and types
32 /*****************************************************************************
33 * Required vlc headers
34 *****************************************************************************/
35 #if defined( __BORLANDC__ )
43 # define PACKAGE_NAME PACKAGE
46 # undef PACKAGE_VERSION
47 # define PACKAGE_VERSION VERSION
50 #if defined( __BORLANDC__ )
51 # undef HAVE_VARIADIC_MACROS
53 # undef HAVE_INTTYPES_H
55 #elif defined( _MSC_VER )
56 # pragma warning( disable : 4244 )
59 #include "vlc_config.h"
60 #include "modules_inner.h"
62 /*****************************************************************************
63 * Required system headers
64 *****************************************************************************/
69 # include <string.h> /* strerror() */
72 #ifdef HAVE_SYS_TYPES_H
73 # include <sys/types.h>
76 /*****************************************************************************
77 * Basic types definitions
78 *****************************************************************************/
79 #if defined( HAVE_STDINT_H )
81 #elif defined( HAVE_INTTYPES_H )
82 # include <inttypes.h>
83 #elif defined( SYS_CYGWIN )
84 # include <sys/types.h>
85 /* Cygwin only defines half of these... */
86 typedef u_int8_t uint8_t;
87 typedef u_int16_t uint16_t;
88 typedef u_int32_t uint32_t;
89 typedef u_int64_t uint64_t;
91 /* Fallback types (very x86-centric, sorry) */
92 typedef unsigned char uint8_t;
93 typedef signed char int8_t;
94 typedef unsigned short uint16_t;
95 typedef signed short int16_t;
96 typedef unsigned int uint32_t;
97 typedef signed int int32_t;
98 # if defined( _MSC_VER ) \
99 || defined( UNDER_CE ) \
100 || ( defined( WIN32 ) && !defined( __MINGW32__ ) )
101 typedef unsigned __int64 uint64_t;
102 typedef signed __int64 int64_t;
104 typedef unsigned long long uint64_t;
105 typedef signed long long int64_t;
107 typedef uint32_t uintptr_t;
108 typedef int32_t intptr_t;
111 typedef uint8_t byte_t;
113 /* ptrdiff_t definition */
120 /* Not portable in a 64-bit environment. */
121 typedef int ptrdiff_t;
125 #if defined( WIN32 ) || defined( UNDER_CE )
128 # define PATH_MAX MAX_PATH
132 #if (defined( WIN32 ) || defined( UNDER_CE )) && !defined( _SSIZE_T_ )
136 /* Counter for statistics and profiling */
137 typedef unsigned long count_t;
139 /* DCT elements types */
140 typedef int16_t dctelem_t;
142 /* Video buffer types */
143 typedef uint8_t yuv_data_t;
146 typedef uint16_t audio_volume_t;
148 #ifndef HAVE_SOCKLEN_T
149 typedef int socklen_t;
153 * High precision date or time interval
155 * Store a high precision date or time interval. The maximum precision is the
156 * microsecond, and a 64 bits integer is used to avoid overflows (maximum
157 * time interval is then 292271 years, which should be long enough for any
158 * video). Dates are stored as microseconds since a common date (usually the
159 * epoch). Note that date and time intervals can be manipulated using regular
160 * arithmetic operators, and that no special functions are required.
162 typedef int64_t mtime_t;
165 * The vlc_fourcc_t type.
167 * See http://www.webartz.com/fourcc/ for a very detailed list.
169 typedef uint32_t vlc_fourcc_t;
171 #ifdef WORDS_BIGENDIAN
172 # define VLC_FOURCC( a, b, c, d ) \
173 ( ((uint32_t)d) | ( ((uint32_t)c) << 8 ) \
174 | ( ((uint32_t)b) << 16 ) | ( ((uint32_t)a) << 24 ) )
175 # define VLC_TWOCC( a, b ) \
176 ( (uint16_t)(b) | ( (uint16_t)(a) << 8 ) )
179 # define VLC_FOURCC( a, b, c, d ) \
180 ( ((uint32_t)a) | ( ((uint32_t)b) << 8 ) \
181 | ( ((uint32_t)c) << 16 ) | ( ((uint32_t)d) << 24 ) )
182 # define VLC_TWOCC( a, b ) \
183 ( (uint16_t)(a) | ( (uint16_t)(b) << 8 ) )
187 /*****************************************************************************
188 * Classes declaration
189 *****************************************************************************/
192 typedef struct libvlc_t libvlc_t;
193 typedef struct vlc_t vlc_t;
194 typedef struct variable_t variable_t;
195 typedef struct date_t date_t;
198 typedef struct msg_bank_t msg_bank_t;
199 typedef struct msg_subscription_t msg_subscription_t;
208 PLAYLIST_PLAY, /**< No arg. res=can fail*/
209 PLAYLIST_AUTOPLAY, /**< No arg. res=cant fail*/
210 PLAYLIST_VIEWPLAY, /**< arg1= int, arg2= playlist_item_t*,*/
211 /** arg3 = playlist_item_t* , res=can fail */
212 PLAYLIST_ITEMPLAY, /** <arg1 = playlist_item_t * , res=can fail */
213 PLAYLIST_PAUSE, /**< No arg res=can fail*/
214 PLAYLIST_STOP, /**< No arg res=can fail*/
215 PLAYLIST_SKIP, /**< arg1=int, res=can fail*/
216 PLAYLIST_GOTO, /**< arg1=int res=can fail */
217 PLAYLIST_VIEWGOTO, /**< arg1=int res=can fail */
218 } playlist_command_t;
221 typedef struct playlist_t playlist_t;
222 typedef struct playlist_item_t playlist_item_t;
223 typedef struct playlist_view_t playlist_view_t;
224 typedef struct playlist_export_t playlist_export_t;
225 typedef struct services_discovery_t services_discovery_t;
226 typedef struct services_discovery_sys_t services_discovery_sys_t;
227 typedef struct playlist_add_t playlist_add_t;
228 typedef struct playlist_preparse_t playlist_preparse_t;
231 typedef struct module_bank_t module_bank_t;
232 typedef struct module_t module_t;
233 typedef struct module_config_t module_config_t;
234 typedef struct module_symbols_t module_symbols_t;
235 typedef struct module_cache_t module_cache_t;
237 typedef struct config_category_t config_category_t;
240 typedef struct intf_thread_t intf_thread_t;
241 typedef struct intf_sys_t intf_sys_t;
242 typedef struct intf_console_t intf_console_t;
243 typedef struct intf_msg_t intf_msg_t;
244 typedef struct intf_channel_t intf_channel_t;
247 typedef struct input_thread_t input_thread_t;
248 typedef struct input_thread_sys_t input_thread_sys_t;
249 typedef struct input_item_t input_item_t;
250 typedef struct input_area_t input_area_t;
251 typedef struct input_buffers_t input_buffers_t;
252 typedef struct input_socket_t input_socket_t;
253 typedef struct access_sys_t access_sys_t;
254 typedef struct demux_sys_t demux_sys_t;
255 typedef struct es_descriptor_t es_descriptor_t;
256 typedef struct es_sys_t es_sys_t;
257 typedef struct pgrm_descriptor_t pgrm_descriptor_t;
258 typedef struct pgrm_sys_t pgrm_sys_t;
259 typedef struct stream_descriptor_t stream_descriptor_t;
260 typedef struct seekpoint_t seekpoint_t;
261 typedef struct info_t info_t;
262 typedef struct info_category_t info_category_t;
265 typedef struct audio_format_t audio_format_t;
266 typedef struct video_format_t video_format_t;
267 typedef struct subs_format_t subs_format_t;
268 typedef struct es_format_t es_format_t;
269 typedef struct video_palette_t video_palette_t;
272 typedef struct stream_sys_t stream_sys_t;
273 typedef struct stream_t stream_t;
274 typedef struct es_out_t es_out_t;
275 typedef struct es_out_id_t es_out_id_t;
276 typedef struct es_out_sys_t es_out_sys_t;
277 typedef struct demux_t demux_t;
278 typedef struct access_t access_t;
281 typedef struct aout_instance_t aout_instance_t;
282 typedef struct aout_sys_t aout_sys_t;
283 typedef struct aout_fifo_t aout_fifo_t;
284 typedef struct aout_input_t aout_input_t;
285 typedef struct aout_buffer_t aout_buffer_t;
286 typedef audio_format_t audio_sample_format_t;
287 typedef struct audio_date_t audio_date_t;
288 typedef struct aout_filter_t aout_filter_t;
291 typedef struct vout_thread_t vout_thread_t;
292 typedef struct vout_sys_t vout_sys_t;
293 typedef struct vout_synchro_t vout_synchro_t;
294 typedef struct chroma_sys_t chroma_sys_t;
296 typedef video_format_t video_frame_format_t;
297 typedef struct picture_t picture_t;
298 typedef struct picture_sys_t picture_sys_t;
299 typedef struct picture_heap_t picture_heap_t;
301 typedef struct spu_t spu_t;
302 typedef struct subpicture_t subpicture_t;
303 typedef struct subpicture_sys_t subpicture_sys_t;
304 typedef struct subpicture_region_t subpicture_region_t;
305 typedef struct text_style_t text_style_t;
308 typedef struct sout_instance_t sout_instance_t;
309 typedef struct sout_instance_sys_t sout_instance_sys_t;
311 typedef struct sout_input_t sout_input_t;
312 typedef struct sout_packetizer_input_t sout_packetizer_input_t;
314 typedef struct sout_access_out_t sout_access_out_t;
315 typedef struct sout_access_out_sys_t sout_access_out_sys_t;
317 typedef struct sout_mux_t sout_mux_t;
318 typedef struct sout_mux_sys_t sout_mux_sys_t;
320 typedef struct sout_stream_t sout_stream_t;
321 typedef struct sout_stream_sys_t sout_stream_sys_t;
323 typedef struct sout_cfg_t sout_cfg_t;
324 typedef struct sap_session_t sap_session_t;
325 typedef struct sap_address_t sap_address_t;
326 typedef struct session_descriptor_t session_descriptor_t;
327 typedef struct announce_method_t announce_method_t;
328 typedef struct announce_handler_t announce_handler_t;
329 typedef struct sap_handler_t sap_handler_t;
330 //typedef struct slp_session_t slp_session_t;
333 typedef struct decoder_t decoder_t;
334 typedef struct decoder_sys_t decoder_sys_t;
337 typedef struct encoder_t encoder_t;
338 typedef struct encoder_sys_t encoder_sys_t;
341 typedef struct filter_t filter_t;
342 typedef struct filter_sys_t filter_sys_t;
345 typedef struct data_packet_t data_packet_t;
346 typedef struct data_buffer_t data_buffer_t;
347 typedef struct stream_ctrl_t stream_ctrl_t;
348 typedef struct pes_packet_t pes_packet_t;
349 typedef struct network_socket_t network_socket_t;
350 typedef struct virtual_socket_t v_socket_t;
351 typedef struct iso639_lang_t iso639_lang_t;
354 typedef struct block_t block_t;
355 typedef struct block_fifo_t block_fifo_t;
358 typedef struct httpd_t httpd_t;
359 typedef struct httpd_host_t httpd_host_t;
360 typedef struct httpd_url_t httpd_url_t;
361 typedef struct httpd_client_t httpd_client_t;
362 typedef struct httpd_callback_sys_t httpd_callback_sys_t;
363 typedef struct httpd_message_t httpd_message_t;
364 typedef int (*httpd_callback_t)( httpd_callback_sys_t *, httpd_client_t *, httpd_message_t *answer, httpd_message_t *query );
365 typedef struct httpd_file_t httpd_file_t;
366 typedef struct httpd_file_sys_t httpd_file_sys_t;
367 typedef int (*httpd_file_callback_t)( httpd_file_sys_t*, httpd_file_t *, uint8_t *psz_request, uint8_t **pp_data, int *pi_data );
368 typedef struct httpd_redirect_t httpd_redirect_t;
369 typedef struct httpd_stream_t httpd_stream_t;
372 typedef struct tls_t tls_t;
373 typedef struct tls_server_t tls_server_t;
374 typedef struct tls_session_t tls_session_t;
377 typedef struct xml_t xml_t;
378 typedef struct xml_sys_t xml_sys_t;
379 typedef struct xml_reader_t xml_reader_t;
380 typedef struct xml_reader_sys_t xml_reader_sys_t;
383 typedef struct vod_t vod_t;
384 typedef struct vod_sys_t vod_sys_t;
385 typedef struct vod_media_t vod_media_t;
388 typedef struct opengl_t opengl_t;
389 typedef struct opengl_sys_t opengl_sys_t;
392 typedef struct vlc_meta_t vlc_meta_t;
394 typedef struct vlm_t vlm_t;
395 typedef struct vlm_message_t vlm_message_t;
398 /*****************************************************************************
400 *****************************************************************************/
401 typedef int ( * vlc_callback_t ) ( vlc_object_t *, /* variable's object */
402 char const *, /* variable name */
403 vlc_value_t, /* old value */
404 vlc_value_t, /* new value */
405 void * ); /* callback data */
407 /*****************************************************************************
409 *****************************************************************************/
411 # define VLC_EXPORT( type, name, args ) type name args
413 # define VLC_EXPORT( type, name, args ) struct _u_n_u_s_e_d_
414 extern module_symbols_t* p_symbols;
417 /*****************************************************************************
418 * OS-specific headers and thread types
419 *****************************************************************************/
420 #if defined( WIN32 ) || defined( UNDER_CE )
421 # define WIN32_LEAN_AND_MEAN
422 # include <windows.h>
423 # if defined( UNDER_CE )
426 # define IS_WINNT ( GetVersion() < 0x80000000 )
430 #include "vlc_threads.h"
432 /*****************************************************************************
433 * Common structure members
434 *****************************************************************************/
436 /* VLC_COMMON_MEMBERS : members common to all basic vlc objects */
437 #define VLC_COMMON_MEMBERS \
438 /** \name VLC_COMMON_MEMBERS \
439 * these members are common for all vlc objects \
444 char *psz_object_type; \
445 char *psz_object_name; \
447 /* Thread properties, if any */ \
448 vlc_bool_t b_thread; \
449 vlc_thread_t thread_id; \
451 /* Object access lock */ \
452 vlc_mutex_t object_lock; \
453 vlc_cond_t object_wait; \
455 /* Object properties */ \
456 volatile vlc_bool_t b_error; /**< set by the object */ \
457 volatile vlc_bool_t b_die; /**< set by the outside */ \
458 volatile vlc_bool_t b_dead; /**< set by the object */ \
459 volatile vlc_bool_t b_attached; /**< set by the object */ \
460 vlc_bool_t b_force; /**< set by the outside (eg. module_Need()) */ \
462 /* Object variables */ \
463 vlc_mutex_t var_lock; \
465 variable_t * p_vars; \
467 /* Stuff related to the libvlc structure */ \
468 libvlc_t * p_libvlc; /**< root of all evil */ \
469 vlc_t * p_vlc; /**< (root of all evil) - 1 */ \
471 volatile int i_refcount; /**< usage count */ \
472 vlc_object_t * p_parent; /**< our parent */ \
473 vlc_object_t ** pp_children; /**< our children */ \
474 volatile int i_children; \
479 /** Just a reminder so that people don't cast garbage */ \
480 int be_sure_to_add_VLC_COMMON_MEMBERS_to_struct; \
483 /* VLC_OBJECT: attempt at doing a clever cast */
484 #define VLC_OBJECT( x ) \
485 ((vlc_object_t *)(x))+0*(x)->be_sure_to_add_VLC_COMMON_MEMBERS_to_struct
487 /*****************************************************************************
488 * Macros and inline functions
489 *****************************************************************************/
490 #ifdef NTOHL_IN_SYS_PARAM_H
491 # include <sys/param.h>
493 #elif !defined(WIN32) && !defined( UNDER_CE )
494 # include <netinet/in.h>
496 #endif /* NTOHL_IN_SYS_PARAM_H || WIN32 */
498 /* CEIL: division with round to nearest greater integer */
499 #define CEIL(n, d) ( ((n) / (d)) + ( ((n) % (d)) ? 1 : 0) )
501 /* PAD: PAD(n, d) = CEIL(n ,d) * d */
502 #define PAD(n, d) ( ((n) % (d)) ? ((((n) / (d)) + 1) * (d)) : (n) )
504 /* __MAX and __MIN: self explanatory */
506 # define __MAX(a, b) ( ((a) > (b)) ? (a) : (b) )
509 # define __MIN(a, b) ( ((a) < (b)) ? (a) : (b) )
512 static int64_t GCD( int64_t a, int64_t b )
514 if( b ) return GCD( b, a % b );
518 /* Dynamic array handling: realloc array, move data, increment position */
519 #define INSERT_ELEM( p_ar, i_oldsize, i_pos, elem ) \
524 (p_ar) = realloc( p_ar, ((i_oldsize) + 1) * sizeof( *(p_ar) ) ); \
528 (p_ar) = malloc( ((i_oldsize) + 1) * sizeof( *(p_ar) ) ); \
530 if( (i_oldsize) - (i_pos) ) \
532 memmove( (p_ar) + (i_pos) + 1, \
534 ((i_oldsize) - (i_pos)) * sizeof( *(p_ar) ) ); \
536 (p_ar)[i_pos] = elem; \
541 #define REMOVE_ELEM( p_ar, i_oldsize, i_pos ) \
544 if( (i_oldsize) - (i_pos) - 1 ) \
546 memmove( (p_ar) + (i_pos), \
547 (p_ar) + (i_pos) + 1, \
548 ((i_oldsize) - (i_pos) - 1) * sizeof( *(p_ar) ) ); \
550 if( i_oldsize > 1 ) \
552 (p_ar) = realloc( p_ar, ((i_oldsize) - 1) * sizeof( *(p_ar) ) ); \
564 #define TAB_APPEND( count, tab, p ) \
567 (tab) = realloc( tab, sizeof( void ** ) * ( (count) + 1 ) ); \
571 (tab) = malloc( sizeof( void ** ) ); \
573 (tab)[count] = (p); \
576 #define TAB_FIND( count, tab, p, index ) \
580 for( _i_ = 0; _i_ < (count); _i_++ ) \
582 if( (tab)[_i_] == (p) ) \
590 #define TAB_REMOVE( count, tab, p ) \
593 TAB_FIND( count, tab, p, _i_index_ ); \
594 if( _i_index_ >= 0 ) \
598 memmove( ((void**)(tab) + _i_index_), \
599 ((void**)(tab) + _i_index_+1), \
600 ( (count) - _i_index_ - 1 ) * sizeof( void* ) );\
611 /* MSB (big endian)/LSB (little endian) conversions - network order is always
612 * MSB, and should be used for both network communications and files. Note that
613 * byte orders other than little and big endians are not supported, but only
614 * the VAX seems to have such exotic properties. */
615 static inline uint16_t U16_AT( void const * _p )
617 uint8_t * p = (uint8_t *)_p;
618 return ( ((uint16_t)p[0] << 8) | p[1] );
620 static inline uint32_t U32_AT( void const * _p )
622 uint8_t * p = (uint8_t *)_p;
623 return ( ((uint32_t)p[0] << 24) | ((uint32_t)p[1] << 16)
624 | ((uint32_t)p[2] << 8) | p[3] );
626 static inline uint64_t U64_AT( void const * _p )
628 uint8_t * p = (uint8_t *)_p;
629 return ( ((uint64_t)p[0] << 56) | ((uint64_t)p[1] << 48)
630 | ((uint64_t)p[2] << 40) | ((uint64_t)p[3] << 32)
631 | ((uint64_t)p[4] << 24) | ((uint64_t)p[5] << 16)
632 | ((uint64_t)p[6] << 8) | p[7] );
635 static inline uint16_t GetWLE( void const * _p )
637 uint8_t * p = (uint8_t *)_p;
638 return ( ((uint16_t)p[1] << 8) | p[0] );
640 static inline uint32_t GetDWLE( void const * _p )
642 uint8_t * p = (uint8_t *)_p;
643 return ( ((uint32_t)p[3] << 24) | ((uint32_t)p[2] << 16)
644 | ((uint32_t)p[1] << 8) | p[0] );
646 static inline uint64_t GetQWLE( void const * _p )
648 uint8_t * p = (uint8_t *)_p;
649 return ( ((uint64_t)p[7] << 56) | ((uint64_t)p[6] << 48)
650 | ((uint64_t)p[5] << 40) | ((uint64_t)p[4] << 32)
651 | ((uint64_t)p[3] << 24) | ((uint64_t)p[2] << 16)
652 | ((uint64_t)p[1] << 8) | p[0] );
655 #define GetWBE( p ) U16_AT( p )
656 #define GetDWBE( p ) U32_AT( p )
657 #define GetQWBE( p ) U64_AT( p )
659 /* Helper writer functions */
660 #define SetWLE( p, v ) _SetWLE( (uint8_t*)p, v)
661 static inline void _SetWLE( uint8_t *p, uint16_t i_dw )
663 p[1] = ( i_dw >> 8 )&0xff;
664 p[0] = ( i_dw )&0xff;
667 #define SetDWLE( p, v ) _SetDWLE( (uint8_t*)p, v)
668 static inline void _SetDWLE( uint8_t *p, uint32_t i_dw )
670 p[3] = ( i_dw >> 24 )&0xff;
671 p[2] = ( i_dw >> 16 )&0xff;
672 p[1] = ( i_dw >> 8 )&0xff;
673 p[0] = ( i_dw )&0xff;
675 #define SetQWLE( p, v ) _SetQWLE( (uint8_t*)p, v)
676 static inline void _SetQWLE( uint8_t *p, uint64_t i_qw )
678 SetDWLE( p, i_qw&0xffffffff );
679 SetDWLE( p+4, ( i_qw >> 32)&0xffffffff );
681 #define SetWBE( p, v ) _SetWBE( (uint8_t*)p, v)
682 static inline void _SetWBE( uint8_t *p, uint16_t i_dw )
684 p[0] = ( i_dw >> 8 )&0xff;
685 p[1] = ( i_dw )&0xff;
688 #define SetDWBE( p, v ) _SetDWBE( (uint8_t*)p, v)
689 static inline void _SetDWBE( uint8_t *p, uint32_t i_dw )
691 p[0] = ( i_dw >> 24 )&0xff;
692 p[1] = ( i_dw >> 16 )&0xff;
693 p[2] = ( i_dw >> 8 )&0xff;
694 p[3] = ( i_dw )&0xff;
696 #define SetQWBE( p, v ) _SetQWBE( (uint8_t*)p, v)
697 static inline void _SetQWBE( uint8_t *p, uint64_t i_qw )
699 SetDWBE( p+4, i_qw&0xffffffff );
700 SetDWBE( p, ( i_qw >> 32)&0xffffffff );
704 # define hton16(i) ( i )
705 # define hton32(i) ( i )
706 # define hton64(i) ( i )
707 # define ntoh16(i) ( i )
708 # define ntoh32(i) ( i )
709 # define ntoh64(i) ( i )
711 # define hton16(i) U16_AT(&i)
712 # define hton32(i) U32_AT(&i)
713 # define hton64(i) U64_AT(&i)
714 # define ntoh16(i) U16_AT(&i)
715 # define ntoh32(i) U32_AT(&i)
716 # define ntoh64(i) U64_AT(&i)
719 /* Format string sanity checks */
720 #ifdef HAVE_ATTRIBUTE_FORMAT
721 # define ATTRIBUTE_FORMAT(x,y) __attribute__ ((format(printf,x,y)))
723 # define ATTRIBUTE_FORMAT(x,y)
726 /* Alignment of critical static data structures */
727 #ifdef ATTRIBUTE_ALIGNED_MAX
728 # define ATTR_ALIGN(align) __attribute__ ((__aligned__ ((ATTRIBUTE_ALIGNED_MAX < align) ? ATTRIBUTE_ALIGNED_MAX : align)))
730 # define ATTR_ALIGN(align)
733 /* Alignment of critical dynamic data structure
735 * Not all platforms support memalign so we provide a vlc_memalign wrapper
736 * void *vlc_memalign( size_t align, size_t size, void **pp_orig )
737 * *pp_orig is the pointer that has to be freed afterwards.
740 #ifdef HAVE_POSIX_MEMALIGN
741 # define vlc_memalign(align,size,pp_orig) \
742 ( !posix_memalign( pp_orig, align, size ) ? *(pp_orig) : NULL )
746 /* Some systems have memalign() but no declaration for it */
747 void * memalign( size_t align, size_t size );
749 # define vlc_memalign(pp_orig,align,size) \
750 ( *(pp_orig) = memalign( align, size ) )
752 #else /* We don't have any choice but to align manually */
753 # define vlc_memalign(pp_orig,align,size) \
754 (( *(pp_orig) = malloc( size + align - 1 )) \
755 ? (void *)( (((unsigned long)*(pp_orig)) + (unsigned long)(align-1) ) \
756 & (~(unsigned long)(align-1)) ) \
761 /* Stuff defined in src/extras/libc.c */
763 # define strdup vlc_strdup
764 VLC_EXPORT( char *, vlc_strdup, ( const char *s ) );
765 #elif !defined(__PLUGIN__)
766 # define vlc_strdup NULL
769 #if !defined(HAVE_VASPRINTF) || defined(SYS_DARWIN) || defined(SYS_BEOS)
770 # define vasprintf vlc_vasprintf
771 VLC_EXPORT( int, vlc_vasprintf, (char **, const char *, va_list ) );
772 #elif !defined(__PLUGIN__)
773 # define vlc_vasprintf NULL
776 #if !defined(HAVE_ASPRINTF) || defined(SYS_DARWIN) || defined(SYS_BEOS)
777 # define asprintf vlc_asprintf
778 VLC_EXPORT( int, vlc_asprintf, (char **, const char *, ... ) );
779 #elif !defined(__PLUGIN__)
780 # define vlc_asprintf NULL
784 # if defined(STRNDUP_IN_GNOME_H) && \
785 (defined(MODULE_NAME_IS_gnome)||defined(MODULE_NAME_IS_gnome_main)||\
786 defined(MODULE_NAME_IS_gnome2)||defined(MODULE_NAME_IS_gnome2_main))
787 /* Do nothing: gnome.h defines strndup for us */
789 # define strndup vlc_strndup
790 VLC_EXPORT( char *, vlc_strndup, ( const char *s, size_t n ) );
792 #elif !defined(__PLUGIN__)
793 # define vlc_strndup NULL
797 # define atof vlc_atof
798 VLC_EXPORT( double, vlc_atof, ( const char *nptr ) );
799 #elif !defined(__PLUGIN__)
800 # define vlc_atof NULL
805 # define strtof strtod
810 # define atoll vlc_atoll
811 VLC_EXPORT( int64_t, vlc_atoll, ( const char *nptr ) );
812 #elif !defined(__PLUGIN__)
813 # define vlc_atoll NULL
817 # define strtoll vlc_strtoll
818 VLC_EXPORT( int64_t, vlc_strtoll, ( const char *nptr, char **endptr, int base ) );
819 #elif !defined(__PLUGIN__)
820 # define vlc_strtoll NULL
824 # define getenv vlc_getenv
825 VLC_EXPORT( char *, vlc_getenv, ( const char *name ) );
826 #elif !defined(__PLUGIN__)
827 # define vlc_getenv NULL
830 #ifndef HAVE_STRCASECMP
831 # ifndef HAVE_STRICMP
832 # define strcasecmp vlc_strcasecmp
833 VLC_EXPORT( int, vlc_strcasecmp, ( const char *s1, const char *s2 ) );
835 # define strcasecmp stricmp
836 # if !defined(__PLUGIN__)
837 # define vlc_strcasecmp NULL
840 #elif !defined(__PLUGIN__)
841 # define vlc_strcasecmp NULL
844 #ifndef HAVE_STRNCASECMP
845 # ifndef HAVE_STRNICMP
846 # define strncasecmp vlc_strncasecmp
847 VLC_EXPORT( int, vlc_strncasecmp, ( const char *s1, const char *s2, size_t n ) );
849 # define strncasecmp strnicmp
850 # if !defined(__PLUGIN__)
851 # define vlc_strncasecmp NULL
854 #elif !defined(__PLUGIN__)
855 # define vlc_strncasecmp NULL
858 #ifndef HAVE_STRCASESTR
859 # ifndef HAVE_STRISTR
860 # define strcasestr vlc_strcasestr
861 VLC_EXPORT( char *, vlc_strcasestr, ( const char *s1, const char *s2 ) );
863 # define strcasestr stristr
864 # if !defined(__PLUGIN__)
865 # define vlc_strcasestr NULL
868 #elif !defined(__PLUGIN__)
869 # define vlc_strcasestr NULL
872 /* Format type specifiers for 64 bits numbers */
873 #if !defined(WIN32) && !defined(UNDER_CE)
874 # define I64Fd "%lld"
875 # define I64Fi "%lli"
876 # define I64Fo "%llo"
877 # define I64Fu "%llu"
878 # define I64Fx "%llx"
879 # define I64FX "%llX"
881 # define I64Fd "%I64d"
882 # define I64Fi "%I64i"
883 # define I64Fo "%I64o"
884 # define I64Fu "%I64u"
885 # define I64Fx "%I64x"
886 # define I64FX "%I64X"
887 #endif /* defined(WIN32)||defined(UNDER_CE) */
889 /* 64 bits integer constant suffix */
890 #if defined( __MINGW32__ ) || (!defined(WIN32) && !defined(UNDER_CE))
891 # define I64C(x) x##LL
892 # define UI64C(x) x##ULL
894 # define I64C(x) x##i64
895 # define UI64C(x) x##ui64
896 #endif /* defined(WIN32)||defined(UNDER_CE) */
898 #if defined(WIN32) || defined(UNDER_CE)
899 /* win32, cl and icl support */
900 # if defined( _MSC_VER ) || !defined( __MINGW32__ )
901 # define __attribute__(x)
902 # define __inline__ __inline
903 # define S_IFBLK 0x3000 /* Block */
904 # define S_ISBLK(m) (0)
905 # define S_ISCHR(m) (0)
906 # define S_ISFIFO(m) (((m)&_S_IFMT) == _S_IFIFO)
907 # define S_ISREG(m) (((m)&_S_IFMT) == _S_IFREG)
910 /* several type definitions */
911 # if defined( __MINGW32__ )
912 # if !defined( _OFF_T_ )
913 typedef long long _off_t;
914 typedef _off_t off_t;
920 # define off_t long long
924 # if defined( _MSC_VER )
925 # if !defined( _OFF_T_DEFINED )
926 typedef __int64 off_t;
927 # define _OFF_T_DEFINED
929 # define off_t __int64
933 # if defined( __BORLANDC__ )
935 # define off_t unsigned __int64
939 # define O_NONBLOCK 0
943 # define alloca _alloca
946 /* These two are not defined in mingw32 (bug?) */
948 # define snprintf _snprintf
951 # define vsnprintf _vsnprintf
963 /* lseek (defined in src/extras/libc.c) */
965 # define lseek vlc_lseek
966 VLC_EXPORT( off_t, vlc_lseek, ( int fildes, off_t offset, int whence ) );
967 #elif !defined(__PLUGIN__)
968 # define vlc_lseek NULL
971 VLC_EXPORT( vlc_bool_t, vlc_reduce, ( int *, int *, int64_t, int64_t, int64_t ) );
972 VLC_EXPORT( char **, vlc_parse_cmdline, ( const char *, int * ) );
974 /* vlc_wraptext (defined in src/extras/libc.c) */
975 #define wraptext vlc_wraptext
976 VLC_EXPORT( char *, vlc_wraptext, ( const char *, int, vlc_bool_t ) );
978 /* iconv wrappers (defined in src/extras/libc.c) */
979 typedef void *vlc_iconv_t;
980 VLC_EXPORT( vlc_iconv_t, vlc_iconv_open, ( const char *, const char * ) );
981 VLC_EXPORT( size_t, vlc_iconv, ( vlc_iconv_t, char **, size_t *, char **, size_t * ) );
982 VLC_EXPORT( int, vlc_iconv_close, ( vlc_iconv_t ) );
984 /*****************************************************************************
986 *****************************************************************************/
987 #define CPU_CAPABILITY_NONE 0
988 #define CPU_CAPABILITY_486 (1<<0)
989 #define CPU_CAPABILITY_586 (1<<1)
990 #define CPU_CAPABILITY_PPRO (1<<2)
991 #define CPU_CAPABILITY_MMX (1<<3)
992 #define CPU_CAPABILITY_3DNOW (1<<4)
993 #define CPU_CAPABILITY_MMXEXT (1<<5)
994 #define CPU_CAPABILITY_SSE (1<<6)
995 #define CPU_CAPABILITY_SSE2 (1<<7)
996 #define CPU_CAPABILITY_ALTIVEC (1<<16)
997 #define CPU_CAPABILITY_FPU (1<<31)
999 /*****************************************************************************
1001 *****************************************************************************/
1002 VLC_EXPORT( char *, vlc_dgettext, ( const char *package, const char *msgid ) );
1004 #if defined( ENABLE_NLS ) && \
1005 (defined(MODULE_NAME_IS_gnome)||defined(MODULE_NAME_IS_gnome_main)||\
1006 defined(MODULE_NAME_IS_gnome2)||defined(MODULE_NAME_IS_gnome2_main)||\
1007 defined(MODULE_NAME_IS_pda))
1008 /* Declare nothing: gnome.h will do it for us */
1009 #elif defined( ENABLE_NLS )
1010 # if defined( HAVE_INCLUDED_GETTEXT )
1011 # include "libintl.h"
1013 # include <libintl.h>
1016 # define _(String) vlc_dgettext (PACKAGE_NAME, String)
1017 # define N_(String) ((char*)(String))
1019 # define _(String) ((char*)(String))
1020 # define N_(String) ((char*)(String))
1023 /*****************************************************************************
1024 * Additional vlc stuff
1025 *****************************************************************************/
1026 #include "vlc_symbols.h"
1027 #include "os_specific.h"
1028 #include "vlc_messages.h"
1029 #include "variables.h"
1030 #include "vlc_objects.h"
1031 #include "vlc_threads_funcs.h"
1033 #include "modules.h"
1035 #include "configuration.h"
1037 #if defined( __BORLANDC__ )