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vlc/include/vlc_common.h

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/*****************************************************************************
* common.h: common definitions
* Collection of useful common types and macros definitions
*****************************************************************************
* Copyright (C) 1998-2005 the VideoLAN team
* $Id$
*
* Authors: Samuel Hocevar <sam@via.ecp.fr>
* Vincent Seguin <seguin@via.ecp.fr>
* Gildas Bazin <gbazin@videolan.org>
*
* 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.
*
* 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., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
*****************************************************************************/
/**
* \file
* This file is a collection of common definitions and types
*/
#ifndef VLC_COMMON_H
# define VLC_COMMON_H 1
/*****************************************************************************
* Required vlc headers
*****************************************************************************/
#if defined( _MSC_VER )
# pragma warning( disable : 4244 )
#endif
#include "vlc_config.h"
/*****************************************************************************
* Required system headers
*****************************************************************************/
#include <stdlib.h>
#include <stdarg.h>
#include <string.h>
#include <stdio.h>
#include <inttypes.h>
#include <stddef.h>
#ifndef __cplusplus
# include <stdbool.h>
#endif
/* Try to fix format strings for all versions of mingw and mingw64 */
#if defined( _WIN32 ) && defined( __USE_MINGW_ANSI_STDIO )
#undef PRId64
#define PRId64 "lld"
#undef PRIi64
#define PRIi64 "lli"
#undef PRIu64
#define PRIu64 "llu"
#undef PRIo64
#define PRIo64 "llo"
#undef PRIx64
#define PRIx64 "llx"
#define snprintf __mingw_snprintf
#define vsnprintf __mingw_vsnprintf
#endif
/* Format string sanity checks */
#ifdef __GNUC__
# if defined( _WIN32 ) && (__GNUC__ > 4 || ( __GNUC__ == 4 && __GNUC_MINOR__ >= 4 ) )
# define LIBVLC_FORMAT(x,y) __attribute__ ((format(gnu_printf,x,y)))
# else
# define LIBVLC_FORMAT(x,y) __attribute__ ((format(printf,x,y)))
# endif
# define LIBVLC_FORMAT_ARG(x) __attribute__ ((format_arg(x)))
# define LIBVLC_USED __attribute__ ((warn_unused_result))
# define LIBVLC_MALLOC __attribute__ ((malloc))
#else
# define LIBVLC_FORMAT(x,y)
# define LIBVLC_FORMAT_ARG(x)
# define LIBVLC_USED
# define LIBVLC_MALLOC
#endif
/* Branch prediction */
#ifdef __GNUC__
# define likely(p) __builtin_expect(!!(p), 1)
# define unlikely(p) __builtin_expect(!!(p), 0)
#else
# define likely(p) (!!(p))
# define unlikely(p) (!!(p))
#endif
/*****************************************************************************
* Basic types definitions
*****************************************************************************/
#if defined( WIN32 ) || defined( UNDER_CE )
# include <malloc.h>
# ifndef PATH_MAX
# define PATH_MAX MAX_PATH
# endif
#endif
/* Counter for statistics and profiling */
typedef unsigned long count_t;
/* Audio volume */
typedef uint16_t audio_volume_t;
/**
* High precision date or time interval
*
* 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
* time interval is then 292271 years, which should be long enough for any
* video). Dates are stored as microseconds since a common date (usually the
* epoch). Note that date and time intervals can be manipulated using regular
* arithmetic operators, and that no special functions are required.
*/
typedef int64_t mtime_t;
/**
* The vlc_fourcc_t type.
*
* See http://www.webartz.com/fourcc/ for a very detailed list.
*/
typedef uint32_t vlc_fourcc_t;
#ifdef WORDS_BIGENDIAN
# define VLC_FOURCC( a, b, c, d ) \
( ((uint32_t)d) | ( ((uint32_t)c) << 8 ) \
| ( ((uint32_t)b) << 16 ) | ( ((uint32_t)a) << 24 ) )
# define VLC_TWOCC( a, b ) \
( (uint16_t)(b) | ( (uint16_t)(a) << 8 ) )
#else
# define VLC_FOURCC( a, b, c, d ) \
( ((uint32_t)a) | ( ((uint32_t)b) << 8 ) \
| ( ((uint32_t)c) << 16 ) | ( ((uint32_t)d) << 24 ) )
# define VLC_TWOCC( a, b ) \
( (uint16_t)(a) | ( (uint16_t)(b) << 8 ) )
#endif
/**
* Translate a vlc_fourcc into its string representation. This function
* assumes there is enough room in psz_fourcc to store 4 characters in.
*
* \param fcc a vlc_fourcc_t
* \param psz_fourcc string to store string representation of vlc_fourcc in
*/
static inline void vlc_fourcc_to_char( vlc_fourcc_t fcc, char *psz_fourcc )
{
memcpy( psz_fourcc, &fcc, 4 );
}
#define vlc_fourcc_to_char( a, b ) \
vlc_fourcc_to_char( (vlc_fourcc_t)(a), (char *)(b) )
/*****************************************************************************
* Classes declaration
*****************************************************************************/
/* Internal types */
typedef struct vlc_list_t vlc_list_t;
typedef struct vlc_object_t vlc_object_t;
typedef struct libvlc_int_t libvlc_int_t;
typedef struct date_t date_t;
typedef struct dict_entry_t dict_entry_t;
typedef struct dict_t dict_t;
/* Playlist */
/* FIXME */
/**
* Playlist commands
*/
typedef enum {
PLAYLIST_PLAY, /**< No arg. res=can fail*/
PLAYLIST_VIEWPLAY, /**< arg1= playlist_item_t*,*/
/** arg2 = playlist_item_t* , res=can fail */
PLAYLIST_PAUSE, /**< No arg res=can fail*/
PLAYLIST_STOP, /**< No arg res=can fail*/
PLAYLIST_SKIP, /**< arg1=int, res=can fail*/
} playlist_command_t;
typedef struct playlist_t playlist_t;
typedef struct playlist_item_t playlist_item_t;
typedef struct playlist_view_t playlist_view_t;
typedef struct services_discovery_t services_discovery_t;
typedef struct services_discovery_sys_t services_discovery_sys_t;
typedef struct playlist_add_t playlist_add_t;
/* Modules */
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;
typedef struct module_cache_t module_cache_t;
typedef struct config_category_t config_category_t;
/* Input */
typedef struct input_thread_t input_thread_t;
typedef struct input_thread_sys_t input_thread_sys_t;
typedef struct input_item_t input_item_t;
typedef struct input_item_node_t input_item_node_t;
typedef struct access_t access_t;
typedef struct access_sys_t access_sys_t;
typedef struct stream_t stream_t;
typedef struct stream_sys_t stream_sys_t;
typedef struct demux_t demux_t;
typedef struct demux_sys_t demux_sys_t;
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;
typedef struct es_descriptor_t es_descriptor_t;
typedef struct seekpoint_t seekpoint_t;
typedef struct info_t info_t;
typedef struct info_category_t info_category_t;
typedef struct input_attachment_t input_attachment_t;
/* 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;
typedef struct video_palette_t video_palette_t;
/* Audio */
typedef struct aout_instance_t aout_instance_t;
typedef struct aout_sys_t aout_sys_t;
typedef struct aout_fifo_t aout_fifo_t;
typedef struct aout_input_t aout_input_t;
typedef struct block_t aout_buffer_t;
typedef audio_format_t audio_sample_format_t;
typedef struct audio_date_t audio_date_t;
typedef struct aout_filter_t aout_filter_t;
/* Video */
typedef struct vout_thread_t vout_thread_t;
typedef struct vout_sys_t vout_sys_t;
typedef video_format_t video_frame_format_t;
typedef struct picture_t picture_t;
typedef struct picture_sys_t picture_sys_t;
typedef struct picture_heap_t picture_heap_t;
/* Subpictures */
typedef struct spu_t spu_t;
typedef struct subpicture_t subpicture_t;
typedef struct subpicture_sys_t subpicture_sys_t;
typedef struct subpicture_region_t subpicture_region_t;
typedef struct text_style_t text_style_t;
typedef struct image_handler_t image_handler_t;
/* Stream output */
typedef struct sout_instance_t sout_instance_t;
typedef struct sout_instance_sys_t sout_instance_sys_t;
typedef struct sout_input_t sout_input_t;
typedef struct sout_packetizer_input_t sout_packetizer_input_t;
typedef struct sout_access_out_t sout_access_out_t;
typedef struct sout_access_out_sys_t sout_access_out_sys_t;
typedef struct sout_mux_t sout_mux_t;
typedef struct sout_mux_sys_t sout_mux_sys_t;
typedef struct sout_stream_t sout_stream_t;
typedef struct sout_stream_sys_t sout_stream_sys_t;
typedef struct config_chain_t config_chain_t;
typedef struct session_descriptor_t session_descriptor_t;
typedef struct announce_method_t announce_method_t;
typedef struct sout_param_t sout_param_t;
typedef struct sout_pcat_t sout_pcat_t;
typedef struct sout_std_t sout_std_t;
typedef struct sout_display_t sout_display_t;
typedef struct sout_duplicate_t sout_duplicate_t;
typedef struct sout_transcode_t sout_transcode_t;
typedef struct sout_chain_t sout_chain_t;
typedef struct streaming_profile_t streaming_profile_t;
typedef struct sout_module_t sout_module_t;
typedef struct sout_gui_descr_t sout_gui_descr_t;
typedef struct profile_parser_t profile_parser_t;
/* Decoders */
typedef struct decoder_t decoder_t;
typedef struct decoder_sys_t decoder_sys_t;
typedef struct decoder_synchro_t decoder_synchro_t;
/* Encoders */
typedef struct encoder_t encoder_t;
typedef struct encoder_sys_t encoder_sys_t;
/* Filters */
typedef struct filter_t filter_t;
typedef struct filter_sys_t filter_sys_t;
/* Network */
typedef struct network_socket_t network_socket_t;
typedef struct virtual_socket_t v_socket_t;
typedef struct sockaddr sockaddr;
typedef struct addrinfo addrinfo;
typedef struct vlc_acl_t vlc_acl_t;
typedef struct vlc_url_t vlc_url_t;
/* Misc */
typedef struct iso639_lang_t iso639_lang_t;
typedef struct device_t device_t;
typedef struct device_probe_t device_probe_t;
typedef struct probe_sys_t probe_sys_t;
/* block */
typedef struct block_t block_t;
typedef struct block_fifo_t block_fifo_t;
/* 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, const 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_handler_t httpd_handler_t;
typedef struct httpd_handler_sys_t httpd_handler_sys_t;
typedef int (*httpd_handler_callback_t)( httpd_handler_sys_t *, httpd_handler_t *, char *psz_url, uint8_t *psz_request, int i_type, uint8_t *p_in, int i_in, char *psz_remote_addr, char *psz_remote_host, uint8_t **pp_data, int *pi_data );
typedef struct httpd_redirect_t httpd_redirect_t;
typedef struct httpd_stream_t httpd_stream_t;
/* TLS support */
typedef struct tls_server_t tls_server_t;
typedef struct tls_session_t tls_session_t;
/* Hashing */
typedef struct md5_s md5_t;
/* XML */
typedef struct xml_t xml_t;
typedef struct xml_sys_t xml_sys_t;
typedef struct xml_reader_t xml_reader_t;
typedef struct xml_reader_sys_t xml_reader_sys_t;
/* vod server */
typedef struct vod_t vod_t;
typedef struct vod_sys_t vod_sys_t;
typedef struct vod_media_t vod_media_t;
/* opengl */
typedef struct opengl_t opengl_t;
typedef struct opengl_sys_t opengl_sys_t;
/* osdmenu */
typedef struct osd_menu_t osd_menu_t;
typedef struct osd_state_t osd_state_t;
typedef struct osd_event_t osd_event_t;
typedef struct osd_button_t osd_button_t;
typedef struct osd_menu_state_t osd_menu_state_t;
/* VLM */
typedef struct vlm_t vlm_t;
typedef struct vlm_message_t vlm_message_t;
/* misc */
typedef struct vlc_meta_t vlc_meta_t;
/* Stats */
typedef struct counter_t counter_t;
typedef struct counter_sample_t counter_sample_t;
typedef struct stats_handler_t stats_handler_t;
typedef struct input_stats_t input_stats_t;
/* Update */
typedef struct update_t update_t;
typedef struct update_iterator_t update_iterator_t;
/* Meta engine */
typedef struct meta_engine_t meta_engine_t;
/* stat/lstat/fstat */
#ifdef WIN32
#include <sys/stat.h>
# ifndef UNDER_CE
struct _stati64;
#define stat _stati64
#define fstat _fstati64
#endif
/* You should otherwise use vlc_stat and vlc_lstat. */
#else
struct stat;
#endif
/**
* VLC value structure
*/
typedef union
{
int i_int;
bool b_bool;
float f_float;
char * psz_string;
void * p_address;
vlc_object_t * p_object;
vlc_list_t * p_list;
mtime_t i_time;
struct { int32_t x; int32_t y; } coords;
/* Make sure the structure is at least 64bits */
uint8_t padding[8];
} vlc_value_t;
/**
* VLC list structure
*/
struct vlc_list_t
{
int i_count;
vlc_value_t * p_values;
int * pi_types;
};
/**
* \defgroup var_type Variable types
* These are the different types a vlc variable can have.
* @{
*/
#define VLC_VAR_VOID 0x0010
#define VLC_VAR_BOOL 0x0020
#define VLC_VAR_INTEGER 0x0030
#define VLC_VAR_HOTKEY 0x0031
#define VLC_VAR_STRING 0x0040
#define VLC_VAR_MODULE 0x0041
#define VLC_VAR_FILE 0x0042
#define VLC_VAR_DIRECTORY 0x0043
#define VLC_VAR_VARIABLE 0x0044
#define VLC_VAR_FLOAT 0x0050
#define VLC_VAR_TIME 0x0060
#define VLC_VAR_ADDRESS 0x0070
#define VLC_VAR_MUTEX 0x0080
#define VLC_VAR_LIST 0x0090
#define VLC_VAR_COORDS 0x00A0
/**@}*/
/*****************************************************************************
* Error values (shouldn't be exposed)
*****************************************************************************/
#define VLC_SUCCESS -0 /* No error */
#define VLC_ENOMEM -1 /* Not enough memory */
#define VLC_ETIMEOUT -3 /* Timeout */
#define VLC_ENOMOD -10 /* Module not found */
#define VLC_ENOOBJ -20 /* Object not found */
#define VLC_ENOVAR -30 /* Variable not found */
#define VLC_EBADVAR -31 /* Bad variable value */
#define VLC_ENOITEM -40 /**< Item not found */
#define VLC_EEXIT -255 /* Program exited */
#define VLC_EEXITSUCCESS -999 /* Program exited successfully */
#define VLC_EGENERIC -666 /* Generic error */
/*****************************************************************************
* 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 */
/*****************************************************************************
* Plug-in stuff
*****************************************************************************/
#ifdef __cplusplus
# define LIBVLC_EXTERN extern "C"
#else
# define LIBVLC_EXTERN extern
#endif
#if defined (WIN32) && defined (DLL_EXPORT)
#if defined (UNDER_CE)
# include <windef.h>
#endif
# define LIBVLC_EXPORT __declspec(dllexport)
#else
# define LIBVLC_EXPORT
#endif
#define VLC_EXPORT( type, name, args ) \
LIBVLC_EXTERN LIBVLC_EXPORT type name args
/*****************************************************************************
* OS-specific headers and thread types
*****************************************************************************/
#if defined( WIN32 ) || defined( UNDER_CE )
# define WIN32_LEAN_AND_MEAN
# include <windows.h>
#endif
#include "vlc_mtime.h"
#include "vlc_threads.h"
/*****************************************************************************
* Common structure members
*****************************************************************************/
/* VLC_COMMON_MEMBERS : members common to all basic vlc objects */
#define VLC_COMMON_MEMBERS \
/** \name VLC_COMMON_MEMBERS \
* these members are common for all vlc objects \
*/ \
/**@{*/ \
const char *psz_object_type; \
\
/* Messages header */ \
char *psz_header; \
int i_flags; \
\
/* Object properties */ \
volatile bool b_die; /**< set by the outside */ \
bool b_force; /**< set by the outside (eg. module_need()) */ \
\
/* Stuff related to the libvlc structure */ \
libvlc_int_t *p_libvlc; /**< (root of all evil) - 1 */ \
\
vlc_object_t * p_parent; /**< our parent */ \
\
/**@}*/ \
/* VLC_OBJECT: attempt at doing a clever cast */
#if defined( __GNUC__ ) && __GNUC__ > 3
# ifndef __cplusplus
# define VLC_OBJECT( x ) \
__builtin_choose_expr(__builtin_offsetof(__typeof__(*x), psz_object_type), \
(void)0 /* screw you */, (vlc_object_t *)(x))
# else
# define VLC_OBJECT( x ) \
((vlc_object_t *)(x) \
+ 0 * __builtin_offsetof(__typeof__(*x), psz_object_type))
# endif
#else
# define VLC_OBJECT( x ) ((vlc_object_t *)(x))
#endif
typedef struct gc_object_t
{
vlc_spinlock_t spin;
uintptr_t refs;
void (*pf_destructor) (struct gc_object_t *);
} gc_object_t;
/**
* These members are common to all objects that wish to be garbage-collected.
*/
#define VLC_GC_MEMBERS gc_object_t vlc_gc_data;
VLC_EXPORT(void *, vlc_gc_init, (gc_object_t *, void (*)(gc_object_t *)));
VLC_EXPORT(void *, vlc_hold, (gc_object_t *));
VLC_EXPORT(void, vlc_release, (gc_object_t *));
#define vlc_gc_init( a,b ) vlc_gc_init( &(a)->vlc_gc_data, (b) )
#define vlc_gc_incref( a ) vlc_hold( &(a)->vlc_gc_data )
#define vlc_gc_decref( a ) vlc_release( &(a)->vlc_gc_data )
#define vlc_priv( gc, t ) ((t *)(((char *)(gc)) - offsetof(t, vlc_gc_data)))
/*****************************************************************************
* Macros and inline functions
*****************************************************************************/
/* 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) )
/* __MAX and __MIN: self explanatory */
#ifndef __MAX
# define __MAX(a, b) ( ((a) > (b)) ? (a) : (b) )
#endif
#ifndef __MIN
# define __MIN(a, b) ( ((a) < (b)) ? (a) : (b) )
#endif
LIBVLC_USED
static inline int64_t GCD ( int64_t a, int64_t b )
{
while( b )
{
int64_t c = a % b;
a = b;
b = c;
}
return a;
}
/* function imported from libavutil/common.h */
LIBVLC_USED
static inline uint8_t clip_uint8_vlc( int32_t a )
{
if( a&(~255) ) return (-a)>>31;
else return a;
}
/* Count leading zeroes */
LIBVLC_USED
static inline unsigned clz (unsigned x)
{
#ifdef __GNUC_
return __builtin_clz (x);
#else
unsigned i = sizeof (x) * 8;
while (x)
{
x = x >> 1;
i--;
}
return i;
#endif
}
#define clz8( x ) (clz(x) - ((sizeof(unsigned) - sizeof (uint8_t)) * 8))
#define clz16( x ) (clz(x) - ((sizeof(unsigned) - sizeof (uint16_t)) * 8))
/* XXX: this assumes that int is 32-bits or more */
#define clz32( x ) (clz(x) - ((sizeof(unsigned) - sizeof (uint32_t)) * 8))
/* Free and set set the variable to NULL */
#define FREENULL(a) do { free( a ); a = NULL; } while(0)
#define EMPTY_STR(str) (!str || !*str)
VLC_EXPORT( char const *, vlc_error, ( int ) LIBVLC_USED );
#include <vlc_arrays.h>
/* MSB (big endian)/LSB (little endian) conversions - network order is always
* MSB, and should be used for both network communications and files. */
LIBVLC_USED
static inline uint16_t U16_AT( const void * _p )
{
const uint8_t * p = (const uint8_t *)_p;
return ( ((uint16_t)p[0] << 8) | p[1] );
}
LIBVLC_USED
static inline uint32_t U32_AT( const void * _p )
{
const uint8_t * p = (const uint8_t *)_p;
return ( ((uint32_t)p[0] << 24) | ((uint32_t)p[1] << 16)
| ((uint32_t)p[2] << 8) | p[3] );
}
LIBVLC_USED
static inline uint64_t U64_AT( const void * _p )
{
const uint8_t * p = (const 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] );
}
LIBVLC_USED
static inline uint16_t GetWLE( const void * _p )
{
const uint8_t * p = (const uint8_t *)_p;
return ( ((uint16_t)p[1] << 8) | p[0] );
}
LIBVLC_USED
static inline uint32_t GetDWLE( const void * _p )
{
const uint8_t * p = (const uint8_t *)_p;
return ( ((uint32_t)p[3] << 24) | ((uint32_t)p[2] << 16)
| ((uint32_t)p[1] << 8) | p[0] );
}
LIBVLC_USED
static inline uint64_t GetQWLE( const void * _p )
{
const uint8_t * p = (const 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 )
/* 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 );
}
#define SetWBE( p, v ) _SetWBE( (uint8_t*)(p), v)
static inline void _SetWBE( uint8_t *p, uint16_t i_dw )
{
p[0] = ( i_dw >> 8 )&0xff;
p[1] = ( i_dw )&0xff;
}
#define SetDWBE( p, v ) _SetDWBE( (uint8_t*)(p), v)
static inline void _SetDWBE( uint8_t *p, uint32_t i_dw )
{
p[0] = ( i_dw >> 24 )&0xff;
p[1] = ( i_dw >> 16 )&0xff;
p[2] = ( i_dw >> 8 )&0xff;
p[3] = ( i_dw )&0xff;
}
#define SetQWBE( p, v ) _SetQWBE( (uint8_t*)(p), v)
static inline void _SetQWBE( uint8_t *p, uint64_t i_qw )
{
SetDWBE( p+4, i_qw&0xffffffff );
SetDWBE( p, ( i_qw >> 32)&0xffffffff );
}
#define hton16(i) htons(i)
#define hton32(i) htonl(i)
#define ntoh16(i) ntohs(i)
#define ntoh32(i) ntohl(i)
LIBVLC_USED
static inline uint64_t ntoh64 (uint64_t ll)
{
union { uint64_t qw; uint8_t b[16]; } v = { ll };
return ((uint64_t)v.b[0] << 56)
| ((uint64_t)v.b[1] << 48)
| ((uint64_t)v.b[2] << 40)
| ((uint64_t)v.b[3] << 32)
| ((uint64_t)v.b[4] << 24)
| ((uint64_t)v.b[5] << 16)
| ((uint64_t)v.b[6] << 8)
| ((uint64_t)v.b[7] << 0);
}
#define hton64(i) ntoh64(i)
/* */
#define VLC_UNUSED(x) (void)(x)
/* Stuff defined in src/extras/libc.c */
#if defined(WIN32) || defined(UNDER_CE)
/* win32, cl and icl support */
# if defined( _MSC_VER ) || !defined( __MINGW32__ )
# define __attribute__(x)
# define __inline__ __inline
# define S_IFBLK 0x3000 /* Block */
# 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
# ifdef off_t
# undef off_t
# endif
# define off_t long long
# endif
# endif
# if defined( _MSC_VER ) && !defined( __WXMSW__ )
# if !defined( _OFF_T_DEFINED )
typedef __int64 off_t;
# define _OFF_T_DEFINED
# else
/* for wx compatibility typedef long off_t; */
# define off_t __int64
# endif
# endif
# if defined( __BORLANDC__ )
# undef off_t
# define off_t unsigned __int64
# endif
# ifndef O_NONBLOCK
# define O_NONBLOCK 0
# endif
# ifndef alloca
# define alloca _alloca
# endif
# include <tchar.h>
#endif
VLC_EXPORT( bool, vlc_ureduce, ( unsigned *, unsigned *, uint64_t, uint64_t, uint64_t ) );
/* iconv wrappers (defined in src/extras/libc.c) */
typedef void *vlc_iconv_t;
VLC_EXPORT( vlc_iconv_t, vlc_iconv_open, ( const char *, const char * ) LIBVLC_USED );
VLC_EXPORT( size_t, vlc_iconv, ( vlc_iconv_t, const char **, size_t *, char **, size_t * ) LIBVLC_USED );
VLC_EXPORT( int, vlc_iconv_close, ( vlc_iconv_t ) );
/* execve wrapper (defined in src/extras/libc.c) */
VLC_EXPORT( int, vlc_execve, ( vlc_object_t *p_object, int i_argc, char *const *pp_argv, char *const *pp_env, const char *psz_cwd, const char *p_in, size_t i_in, char **pp_data, size_t *pi_data ) LIBVLC_USED );
#define vlc_execve(a,b,c,d,e,f,g,h,i) vlc_execve(VLC_OBJECT(a),b,c,d,e,f,g,h,i)
/* dir wrappers (defined in src/extras/libc.c) */
VLC_EXPORT(int, vlc_wclosedir, ( void *_p_dir ));
VLC_EXPORT( void, vlc_tdestroy, ( void *, void (*)(void *) ) );
/* Fast large memory copy and memory set */
VLC_EXPORT( void *, vlc_memcpy, ( void *, const void *, size_t ) );
VLC_EXPORT( void *, vlc_memset, ( void *, int, size_t ) );
/*****************************************************************************
* I18n stuff
*****************************************************************************/
VLC_EXPORT( char *, vlc_gettext, ( const char *msgid ) LIBVLC_FORMAT_ARG(1) );
LIBVLC_FORMAT_ARG(2)
static inline const char *vlc_pgettext( const char *ctx, const char *id )
{
const char *tr = vlc_gettext( id );
return (tr == ctx) ? id : tr;
}
/*****************************************************************************
* Loosy memory allocation functions. Do not use in new code.
*****************************************************************************/
static inline void *xmalloc (size_t len)
{
void *ptr = malloc (len);
if (unlikely (ptr == NULL))
abort ();
return ptr;
}
static inline void *xrealloc (void *ptr, size_t len)
{
void *nptr = realloc (ptr, len);
if (unlikely (nptr == NULL))
abort ();
return nptr;
}
/*****************************************************************************
* libvlc features
*****************************************************************************/
VLC_EXPORT( const char *, VLC_Version, ( void ) LIBVLC_USED );
VLC_EXPORT( const char *, VLC_CompileBy, ( void ) LIBVLC_USED );
VLC_EXPORT( const char *, VLC_CompileHost, ( void ) LIBVLC_USED );
VLC_EXPORT( const char *, VLC_Compiler, ( void ) LIBVLC_USED );
/*****************************************************************************
* Additional vlc stuff
*****************************************************************************/
#include "vlc_messages.h"
#include "vlc_objects.h"
#include "vlc_variables.h"
#include "vlc_modules.h"
#include "vlc_main.h"
#include "vlc_configuration.h"
#if defined( WIN32 ) || defined( UNDER_CE )
# define DIR_SEP_CHAR '\\'
# define DIR_SEP "\\"
# define PATH_SEP_CHAR ';'
# define PATH_SEP ";"
#else
# define DIR_SEP_CHAR '/'
# define DIR_SEP "/"
# define PATH_SEP_CHAR ':'
# define PATH_SEP ":"
#endif
#define LICENSE_MSG \
_("This program comes with NO WARRANTY, to the extent permitted by " \
"law.\nYou may redistribute it under the terms of the GNU General " \
"Public License;\nsee the file named COPYING for details.\n" \
"Written by the VideoLAN team; see the AUTHORS file.\n")
#endif /* !VLC_COMMON_H */
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