933 lines
26 KiB
C
933 lines
26 KiB
C
|
/*****************************************************************************
|
||
|
* vlc_common.h: common definitions
|
||
|
* Collection of useful common types and macros definitions
|
||
|
*****************************************************************************
|
||
|
* Copyright (C) 1998-2011 VLC authors and VideoLAN
|
||
|
*
|
||
|
* Authors: Samuel Hocevar <sam@via.ecp.fr>
|
||
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* Vincent Seguin <seguin@via.ecp.fr>
|
||
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* Gildas Bazin <gbazin@videolan.org>
|
||
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* Rémi Denis-Courmont
|
||
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*
|
||
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* This program is free software; you can redistribute it and/or modify it
|
||
|
* under the terms of the GNU Lesser General Public License as published by
|
||
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* the Free Software Foundation; either version 2.1 of the License, or
|
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* (at your option) any later version.
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||
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*
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||
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* 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 Lesser General Public License for more details.
|
||
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*
|
||
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* You should have received a copy of the GNU Lesser General Public License
|
||
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* along with this program; if not, write to the Free Software Foundation,
|
||
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* Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
|
||
|
*****************************************************************************/
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|
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/**
|
||
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* \file
|
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* This file is a collection of common definitions and types
|
||
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*/
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#ifndef VLC_COMMON_H
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# define VLC_COMMON_H 1
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/*****************************************************************************
|
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* Required vlc headers
|
||
|
*****************************************************************************/
|
||
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#include "vlc_config.h"
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||
|
|
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/*****************************************************************************
|
||
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* Required system headers
|
||
|
*****************************************************************************/
|
||
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#include <stdlib.h>
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#include <stdarg.h>
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|
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#include <string.h>
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||
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#include <stdio.h>
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||
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#include <inttypes.h>
|
||
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#include <stddef.h>
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|
|
||
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#ifndef __cplusplus
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# include <stdbool.h>
|
||
|
#endif
|
||
|
|
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|
/*****************************************************************************
|
||
|
* Compilers definitions
|
||
|
*****************************************************************************/
|
||
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/* Helper for GCC version checks */
|
||
|
#ifdef __GNUC__
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# define VLC_GCC_VERSION(maj,min) \
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((__GNUC__ > (maj)) || (__GNUC__ == (maj) && __GNUC_MINOR__ >= (min)))
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#else
|
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# define VLC_GCC_VERSION(maj,min) (0)
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#endif
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||
|
|
||
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/* Try to fix format strings for all versions of mingw and mingw64 */
|
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#if defined( _WIN32 ) && defined( __USE_MINGW_ANSI_STDIO )
|
||
|
#undef PRId64
|
||
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#define PRId64 "lld"
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#undef PRIi64
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#define PRIi64 "lli"
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#undef PRIu64
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#define PRIu64 "llu"
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#undef PRIo64
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#define PRIo64 "llo"
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#undef PRIx64
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#define PRIx64 "llx"
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||
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#define snprintf __mingw_snprintf
|
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#define vsnprintf __mingw_vsnprintf
|
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#define swprintf _snwprintf
|
||
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#endif
|
||
|
|
||
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/* Function attributes for compiler warnings */
|
||
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#ifdef __GNUC__
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# define VLC_DEPRECATED __attribute__((deprecated))
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|
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# if defined( _WIN32 ) && VLC_GCC_VERSION(4,4)
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# define VLC_FORMAT(x,y) __attribute__ ((format(gnu_printf,x,y)))
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# else
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# define VLC_FORMAT(x,y) __attribute__ ((format(printf,x,y)))
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||
|
# endif
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# define VLC_FORMAT_ARG(x) __attribute__ ((format_arg(x)))
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||
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|
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# define VLC_MALLOC __attribute__ ((malloc))
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# define VLC_NORETURN __attribute__ ((noreturn))
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|
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# if VLC_GCC_VERSION(3,4)
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# define VLC_USED __attribute__ ((warn_unused_result))
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# else
|
||
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# define VLC_USED
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# endif
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|
|
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#else
|
||
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# define VLC_DEPRECATED
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||
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# define VLC_FORMAT(x,y)
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||
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# define VLC_FORMAT_ARG(x)
|
||
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# define VLC_MALLOC
|
||
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# define VLC_NORETURN
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||
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# define VLC_USED
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||
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#endif
|
||
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|
||
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|
||
|
/* Branch prediction */
|
||
|
#ifdef __GNUC__
|
||
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# define likely(p) __builtin_expect(!!(p), 1)
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||
|
# define unlikely(p) __builtin_expect(!!(p), 0)
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#else
|
||
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# define likely(p) (!!(p))
|
||
|
# define unlikely(p) (!!(p))
|
||
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#endif
|
||
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|
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/* Linkage */
|
||
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#ifdef __cplusplus
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# define VLC_EXTERN extern "C"
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#else
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# define VLC_EXTERN
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#endif
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|
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#if defined (_WIN32) && defined (DLL_EXPORT)
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# define VLC_EXPORT __declspec(dllexport)
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#elif VLC_GCC_VERSION(4,0)
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# define VLC_EXPORT __attribute__((visibility("default")))
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||
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#else
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||
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# define VLC_EXPORT
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#endif
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|
|
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#define VLC_API VLC_EXTERN VLC_EXPORT
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|
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|
|
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/*****************************************************************************
|
||
|
* Basic types definitions
|
||
|
*****************************************************************************/
|
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/**
|
||
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* High precision date or time interval
|
||
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*
|
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* Store a high precision date or time interval. The maximum precision is the
|
||
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* microsecond, and a 64 bits integer is used to avoid overflows (maximum
|
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* time interval is then 292271 years, which should be long enough for any
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||
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* video). Dates are stored as microseconds since a common date (usually the
|
||
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* epoch). Note that date and time intervals can be manipulated using regular
|
||
|
* arithmetic operators, and that no special functions are required.
|
||
|
*/
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typedef int64_t mtime_t;
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/**
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* The vlc_fourcc_t type.
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*
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* See http://www.webartz.com/fourcc/ for a very detailed list.
|
||
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*/
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typedef uint32_t vlc_fourcc_t;
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#ifdef WORDS_BIGENDIAN
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# define VLC_FOURCC( a, b, c, d ) \
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( ((uint32_t)d) | ( ((uint32_t)c) << 8 ) \
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| ( ((uint32_t)b) << 16 ) | ( ((uint32_t)a) << 24 ) )
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# define VLC_TWOCC( a, b ) \
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( (uint16_t)(b) | ( (uint16_t)(a) << 8 ) )
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|
|
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#else
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# define VLC_FOURCC( a, b, c, d ) \
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( ((uint32_t)a) | ( ((uint32_t)b) << 8 ) \
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|
| ( ((uint32_t)c) << 16 ) | ( ((uint32_t)d) << 24 ) )
|
||
|
# define VLC_TWOCC( a, b ) \
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( (uint16_t)(a) | ( (uint16_t)(b) << 8 ) )
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|
|
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#endif
|
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|
|
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/**
|
||
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* Translate a vlc_fourcc into its string representation. This function
|
||
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* assumes there is enough room in psz_fourcc to store 4 characters in.
|
||
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*
|
||
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* \param fcc a vlc_fourcc_t
|
||
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* \param psz_fourcc string to store string representation of vlc_fourcc in
|
||
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*/
|
||
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static inline void vlc_fourcc_to_char( vlc_fourcc_t fcc, char *psz_fourcc )
|
||
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{
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memcpy( psz_fourcc, &fcc, 4 );
|
||
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}
|
||
|
|
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#define vlc_fourcc_to_char( a, b ) \
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vlc_fourcc_to_char( (vlc_fourcc_t)(a), (char *)(b) )
|
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|
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/*****************************************************************************
|
||
|
* Classes declaration
|
||
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*****************************************************************************/
|
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/* Internal types */
|
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typedef struct vlc_list_t vlc_list_t;
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typedef struct vlc_object_t vlc_object_t;
|
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typedef struct libvlc_int_t libvlc_int_t;
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typedef struct date_t date_t;
|
||
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/* Playlist */
|
||
|
|
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/* FIXME */
|
||
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/**
|
||
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* Playlist commands
|
||
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*/
|
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typedef enum {
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PLAYLIST_PLAY, /**< No arg. res=can fail*/
|
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PLAYLIST_VIEWPLAY, /**< arg1= playlist_item_t*,*/
|
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/** arg2 = playlist_item_t* , res=can fail */
|
||
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PLAYLIST_PAUSE, /**< No arg res=can fail*/
|
||
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PLAYLIST_STOP, /**< No arg res=can fail*/
|
||
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PLAYLIST_SKIP, /**< arg1=int, res=can fail*/
|
||
|
} playlist_command_t;
|
||
|
|
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|
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typedef struct playlist_t playlist_t;
|
||
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typedef struct playlist_item_t playlist_item_t;
|
||
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typedef struct services_discovery_t services_discovery_t;
|
||
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typedef struct services_discovery_sys_t services_discovery_sys_t;
|
||
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typedef struct playlist_add_t playlist_add_t;
|
||
|
|
||
|
/* Modules */
|
||
|
typedef struct module_t module_t;
|
||
|
typedef struct module_config_t module_config_t;
|
||
|
|
||
|
typedef struct config_category_t config_category_t;
|
||
|
|
||
|
/* Input */
|
||
|
typedef struct input_thread_t input_thread_t;
|
||
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typedef struct input_item_t input_item_t;
|
||
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typedef struct input_item_node_t input_item_node_t;
|
||
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typedef struct access_t access_t;
|
||
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typedef struct access_sys_t access_sys_t;
|
||
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typedef struct stream_t stream_t;
|
||
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typedef struct stream_sys_t stream_sys_t;
|
||
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typedef struct demux_t demux_t;
|
||
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typedef struct demux_sys_t demux_sys_t;
|
||
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typedef struct es_out_t es_out_t;
|
||
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typedef struct es_out_id_t es_out_id_t;
|
||
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typedef struct es_out_sys_t es_out_sys_t;
|
||
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typedef struct seekpoint_t seekpoint_t;
|
||
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typedef struct info_t info_t;
|
||
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typedef struct info_category_t info_category_t;
|
||
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typedef struct input_attachment_t input_attachment_t;
|
||
|
|
||
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/* Format */
|
||
|
typedef struct audio_format_t audio_format_t;
|
||
|
typedef struct video_format_t video_format_t;
|
||
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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 audio_output audio_output_t;
|
||
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typedef struct aout_sys_t aout_sys_t;
|
||
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typedef audio_format_t audio_sample_format_t;
|
||
|
|
||
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/* Video */
|
||
|
typedef struct vout_thread_t vout_thread_t;
|
||
|
|
||
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typedef video_format_t video_frame_format_t;
|
||
|
typedef struct picture_t picture_t;
|
||
|
typedef struct picture_sys_t picture_sys_t;
|
||
|
|
||
|
/* Subpictures */
|
||
|
typedef struct spu_t spu_t;
|
||
|
typedef struct subpicture_t subpicture_t;
|
||
|
typedef struct subpicture_region_t subpicture_region_t;
|
||
|
|
||
|
typedef struct image_handler_t image_handler_t;
|
||
|
|
||
|
/* Stream output */
|
||
|
typedef struct sout_instance_t sout_instance_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;
|
||
|
|
||
|
/* 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 virtual_socket_t v_socket_t;
|
||
|
typedef struct vlc_url_t vlc_url_t;
|
||
|
|
||
|
/* Misc */
|
||
|
typedef struct iso639_lang_t iso639_lang_t;
|
||
|
|
||
|
/* block */
|
||
|
typedef struct block_t block_t;
|
||
|
typedef struct block_fifo_t block_fifo_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;
|
||
|
|
||
|
/* VLM */
|
||
|
typedef struct vlm_t vlm_t;
|
||
|
typedef struct vlm_message_t vlm_message_t;
|
||
|
|
||
|
/* misc */
|
||
|
typedef struct vlc_meta_t vlc_meta_t;
|
||
|
typedef struct input_stats_t input_stats_t;
|
||
|
typedef struct addon_entry_t addon_entry_t;
|
||
|
|
||
|
/* Update */
|
||
|
typedef struct update_t update_t;
|
||
|
|
||
|
/**
|
||
|
* VLC value structure
|
||
|
*/
|
||
|
typedef union
|
||
|
{
|
||
|
int64_t 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;
|
||
|
|
||
|
} vlc_value_t;
|
||
|
|
||
|
/**
|
||
|
* VLC list structure
|
||
|
*/
|
||
|
struct vlc_list_t
|
||
|
{
|
||
|
int i_count;
|
||
|
vlc_value_t * p_values;
|
||
|
int * pi_types;
|
||
|
|
||
|
};
|
||
|
|
||
|
/*****************************************************************************
|
||
|
* Error values (shouldn't be exposed)
|
||
|
*****************************************************************************/
|
||
|
#define VLC_SUCCESS (-0) /**< No error */
|
||
|
#define VLC_EGENERIC (-1) /**< Unspecified error */
|
||
|
#define VLC_ENOMEM (-2) /**< Not enough memory */
|
||
|
#define VLC_ETIMEOUT (-3) /**< Timeout */
|
||
|
#define VLC_ENOMOD (-4) /**< Module not found */
|
||
|
#define VLC_ENOOBJ (-5) /**< Object not found */
|
||
|
#define VLC_ENOVAR (-6) /**< Variable not found */
|
||
|
#define VLC_EBADVAR (-7) /**< Bad variable value */
|
||
|
#define VLC_ENOITEM (-8) /**< Item not found */
|
||
|
|
||
|
/*****************************************************************************
|
||
|
* 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 */
|
||
|
|
||
|
/*****************************************************************************
|
||
|
* OS-specific headers and thread types
|
||
|
*****************************************************************************/
|
||
|
#if defined( _WIN32 )
|
||
|
# include <malloc.h>
|
||
|
# ifndef PATH_MAX
|
||
|
# define PATH_MAX MAX_PATH
|
||
|
# endif
|
||
|
# include <windows.h>
|
||
|
#endif
|
||
|
|
||
|
#ifdef __SYMBIAN32__
|
||
|
#include <sys/syslimits.h>
|
||
|
#endif
|
||
|
|
||
|
#ifdef __OS2__
|
||
|
# define OS2EMX_PLAIN_CHAR
|
||
|
# define INCL_BASE
|
||
|
# define INCL_PM
|
||
|
# include <os2safe.h>
|
||
|
# include <os2.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 */ \
|
||
|
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 VLC_GCC_VERSION(4,0)
|
||
|
# 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
|
||
|
|
||
|
/*****************************************************************************
|
||
|
* 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
|
||
|
|
||
|
/* clip v in [min, max] */
|
||
|
#define VLC_CLIP(v, min, max) __MIN(__MAX((v), (min)), (max))
|
||
|
|
||
|
VLC_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 */
|
||
|
VLC_USED
|
||
|
static inline uint8_t clip_uint8_vlc( int32_t a )
|
||
|
{
|
||
|
if( a&(~255) ) return (-a)>>31;
|
||
|
else return a;
|
||
|
}
|
||
|
|
||
|
/** Count leading zeroes */
|
||
|
VLC_USED
|
||
|
static inline unsigned clz (unsigned x)
|
||
|
{
|
||
|
#if VLC_GCC_VERSION(3,4)
|
||
|
return __builtin_clz (x);
|
||
|
#else
|
||
|
unsigned i = sizeof (x) * 8;
|
||
|
|
||
|
while (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))
|
||
|
|
||
|
/** Count trailing zeroes */
|
||
|
VLC_USED
|
||
|
static inline unsigned ctz (unsigned x)
|
||
|
{
|
||
|
#if VLC_GCC_VERSION(3,4)
|
||
|
return __builtin_ctz (x);
|
||
|
#else
|
||
|
unsigned i = sizeof (x) * 8;
|
||
|
|
||
|
while (x)
|
||
|
{
|
||
|
x <<= 1;
|
||
|
i--;
|
||
|
}
|
||
|
return i;
|
||
|
#endif
|
||
|
}
|
||
|
|
||
|
/** Bit weight */
|
||
|
VLC_USED
|
||
|
static inline unsigned popcount (unsigned x)
|
||
|
{
|
||
|
#if VLC_GCC_VERSION(3,4)
|
||
|
return __builtin_popcount (x);
|
||
|
#else
|
||
|
unsigned count = 0;
|
||
|
while (x)
|
||
|
{
|
||
|
count += x & 1;
|
||
|
x = x >> 1;
|
||
|
}
|
||
|
return count;
|
||
|
#endif
|
||
|
}
|
||
|
|
||
|
VLC_USED
|
||
|
static inline unsigned parity (unsigned x)
|
||
|
{
|
||
|
#if VLC_GCC_VERSION(3,4)
|
||
|
return __builtin_parity (x);
|
||
|
#else
|
||
|
for (unsigned i = 4 * sizeof (x); i > 0; i /= 2)
|
||
|
x ^= x >> i;
|
||
|
return x & 1;
|
||
|
#endif
|
||
|
}
|
||
|
|
||
|
#ifdef __OS2__
|
||
|
# undef bswap16
|
||
|
# undef bswap32
|
||
|
# undef bswap64
|
||
|
#endif
|
||
|
|
||
|
/** Byte swap (16 bits) */
|
||
|
VLC_USED
|
||
|
static inline uint16_t bswap16 (uint16_t x)
|
||
|
{
|
||
|
return (x << 8) | (x >> 8);
|
||
|
}
|
||
|
|
||
|
/** Byte swap (32 bits) */
|
||
|
VLC_USED
|
||
|
static inline uint32_t bswap32 (uint32_t x)
|
||
|
{
|
||
|
#if VLC_GCC_VERSION(4,3) || defined(__clang__)
|
||
|
return __builtin_bswap32 (x);
|
||
|
#else
|
||
|
return ((x & 0x000000FF) << 24)
|
||
|
| ((x & 0x0000FF00) << 8)
|
||
|
| ((x & 0x00FF0000) >> 8)
|
||
|
| ((x & 0xFF000000) >> 24);
|
||
|
#endif
|
||
|
}
|
||
|
|
||
|
/** Byte swap (64 bits) */
|
||
|
VLC_USED
|
||
|
static inline uint64_t bswap64 (uint64_t x)
|
||
|
{
|
||
|
#if VLC_GCC_VERSION(4,3) || defined(__clang__)
|
||
|
return __builtin_bswap64 (x);
|
||
|
#elif !defined (__cplusplus)
|
||
|
return ((x & 0x00000000000000FF) << 56)
|
||
|
| ((x & 0x000000000000FF00) << 40)
|
||
|
| ((x & 0x0000000000FF0000) << 24)
|
||
|
| ((x & 0x00000000FF000000) << 8)
|
||
|
| ((x & 0x000000FF00000000) >> 8)
|
||
|
| ((x & 0x0000FF0000000000) >> 24)
|
||
|
| ((x & 0x00FF000000000000) >> 40)
|
||
|
| ((x & 0xFF00000000000000) >> 56);
|
||
|
#else
|
||
|
return ((x & 0x00000000000000FFULL) << 56)
|
||
|
| ((x & 0x000000000000FF00ULL) << 40)
|
||
|
| ((x & 0x0000000000FF0000ULL) << 24)
|
||
|
| ((x & 0x00000000FF000000ULL) << 8)
|
||
|
| ((x & 0x000000FF00000000ULL) >> 8)
|
||
|
| ((x & 0x0000FF0000000000ULL) >> 24)
|
||
|
| ((x & 0x00FF000000000000ULL) >> 40)
|
||
|
| ((x & 0xFF00000000000000ULL) >> 56);
|
||
|
#endif
|
||
|
}
|
||
|
|
||
|
|
||
|
/* 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_API char const * vlc_error( int ) VLC_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. */
|
||
|
|
||
|
#ifdef WORDS_BIGENDIAN
|
||
|
# define hton16(i) ((uint16_t)(i))
|
||
|
# define hton32(i) ((uint32_t)(i))
|
||
|
# define hton64(i) ((uint64_t)(i))
|
||
|
#else
|
||
|
# define hton16(i) bswap16(i)
|
||
|
# define hton32(i) bswap32(i)
|
||
|
# define hton64(i) bswap64(i)
|
||
|
#endif
|
||
|
#define ntoh16(i) hton16(i)
|
||
|
#define ntoh32(i) hton32(i)
|
||
|
#define ntoh64(i) hton64(i)
|
||
|
|
||
|
/** Reads 16 bits in network byte order */
|
||
|
VLC_USED
|
||
|
static inline uint16_t U16_AT (const void *p)
|
||
|
{
|
||
|
uint16_t x;
|
||
|
|
||
|
memcpy (&x, p, sizeof (x));
|
||
|
return ntoh16 (x);
|
||
|
}
|
||
|
|
||
|
/** Reads 32 bits in network byte order */
|
||
|
VLC_USED
|
||
|
static inline uint32_t U32_AT (const void *p)
|
||
|
{
|
||
|
uint32_t x;
|
||
|
|
||
|
memcpy (&x, p, sizeof (x));
|
||
|
return ntoh32 (x);
|
||
|
}
|
||
|
|
||
|
/** Reads 64 bits in network byte order */
|
||
|
VLC_USED
|
||
|
static inline uint64_t U64_AT (const void *p)
|
||
|
{
|
||
|
uint64_t x;
|
||
|
|
||
|
memcpy (&x, p, sizeof (x));
|
||
|
return ntoh64 (x);
|
||
|
}
|
||
|
|
||
|
#define GetWBE(p) U16_AT(p)
|
||
|
#define GetDWBE(p) U32_AT(p)
|
||
|
#define GetQWBE(p) U64_AT(p)
|
||
|
|
||
|
/** Reads 16 bits in little-endian order */
|
||
|
VLC_USED
|
||
|
static inline uint16_t GetWLE (const void *p)
|
||
|
{
|
||
|
uint16_t x;
|
||
|
|
||
|
memcpy (&x, p, sizeof (x));
|
||
|
#ifdef WORDS_BIGENDIAN
|
||
|
x = bswap16 (x);
|
||
|
#endif
|
||
|
return x;
|
||
|
}
|
||
|
|
||
|
/** Reads 32 bits in little-endian order */
|
||
|
VLC_USED
|
||
|
static inline uint32_t GetDWLE (const void *p)
|
||
|
{
|
||
|
uint32_t x;
|
||
|
|
||
|
memcpy (&x, p, sizeof (x));
|
||
|
#ifdef WORDS_BIGENDIAN
|
||
|
x = bswap32 (x);
|
||
|
#endif
|
||
|
return x;
|
||
|
}
|
||
|
|
||
|
/** Reads 64 bits in little-endian order */
|
||
|
VLC_USED
|
||
|
static inline uint64_t GetQWLE (const void *p)
|
||
|
{
|
||
|
uint64_t x;
|
||
|
|
||
|
memcpy (&x, p, sizeof (x));
|
||
|
#ifdef WORDS_BIGENDIAN
|
||
|
x = bswap64 (x);
|
||
|
#endif
|
||
|
return x;
|
||
|
}
|
||
|
|
||
|
/** Writes 16 bits in network byte order */
|
||
|
static inline void SetWBE (void *p, uint16_t w)
|
||
|
{
|
||
|
w = hton16 (w);
|
||
|
memcpy (p, &w, sizeof (w));
|
||
|
}
|
||
|
|
||
|
/** Writes 32 bits in network byte order */
|
||
|
static inline void SetDWBE (void *p, uint32_t dw)
|
||
|
{
|
||
|
dw = hton32 (dw);
|
||
|
memcpy (p, &dw, sizeof (dw));
|
||
|
}
|
||
|
|
||
|
/** Writes 64 bits in network byte order */
|
||
|
static inline void SetQWBE (void *p, uint64_t qw)
|
||
|
{
|
||
|
qw = hton64 (qw);
|
||
|
memcpy (p, &qw, sizeof (qw));
|
||
|
}
|
||
|
|
||
|
/** Writes 16 bits in little endian order */
|
||
|
static inline void SetWLE (void *p, uint16_t w)
|
||
|
{
|
||
|
#ifdef WORDS_BIGENDIAN
|
||
|
w = bswap16 (w);
|
||
|
#endif
|
||
|
memcpy (p, &w, sizeof (w));
|
||
|
}
|
||
|
|
||
|
/** Writes 32 bits in little endian order */
|
||
|
static inline void SetDWLE (void *p, uint32_t dw)
|
||
|
{
|
||
|
#ifdef WORDS_BIGENDIAN
|
||
|
dw = bswap32 (dw);
|
||
|
#endif
|
||
|
memcpy (p, &dw, sizeof (dw));
|
||
|
}
|
||
|
|
||
|
/** Writes 64 bits in little endian order */
|
||
|
static inline void SetQWLE (void *p, uint64_t qw)
|
||
|
{
|
||
|
#ifdef WORDS_BIGENDIAN
|
||
|
qw = bswap64 (qw);
|
||
|
#endif
|
||
|
memcpy (p, &qw, sizeof (qw));
|
||
|
}
|
||
|
|
||
|
/* */
|
||
|
#define VLC_UNUSED(x) (void)(x)
|
||
|
|
||
|
/* Stuff defined in src/extras/libc.c */
|
||
|
|
||
|
#if defined(_WIN32)
|
||
|
/* 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
|
||
|
|
||
|
# ifndef O_NONBLOCK
|
||
|
# define O_NONBLOCK 0
|
||
|
# endif
|
||
|
|
||
|
# include <tchar.h>
|
||
|
#endif /* _WIN32 */
|
||
|
|
||
|
VLC_API bool vlc_ureduce( unsigned *, unsigned *, uint64_t, uint64_t, uint64_t );
|
||
|
|
||
|
/* Aligned memory allocator */
|
||
|
#ifdef __APPLE__
|
||
|
#include <AvailabilityMacros.h>
|
||
|
#endif
|
||
|
|
||
|
#ifdef __MINGW32__
|
||
|
# define vlc_memalign(align, size) (__mingw_aligned_malloc(size, align))
|
||
|
# define vlc_free(base) (__mingw_aligned_free(base))
|
||
|
#elif defined(_MSC_VER)
|
||
|
# define vlc_memalign(align, size) (_aligned_malloc(size, align))
|
||
|
# define vlc_free(base) (_aligned_free(base))
|
||
|
#elif defined(__APPLE__) && !defined(MAC_OS_X_VERSION_10_6)
|
||
|
static inline void *vlc_memalign(size_t align, size_t size)
|
||
|
{
|
||
|
long diff;
|
||
|
void *ptr;
|
||
|
|
||
|
ptr = malloc(size+align);
|
||
|
if(!ptr)
|
||
|
return ptr;
|
||
|
diff = ((-(long)ptr - 1)&(align-1)) + 1;
|
||
|
ptr = (char*)ptr + diff;
|
||
|
((char*)ptr)[-1]= diff;
|
||
|
return ptr;
|
||
|
}
|
||
|
|
||
|
static void vlc_free(void *ptr)
|
||
|
{
|
||
|
if (ptr)
|
||
|
free((char*)ptr - ((char*)ptr)[-1]);
|
||
|
}
|
||
|
#else
|
||
|
static inline void *vlc_memalign(size_t align, size_t size)
|
||
|
{
|
||
|
void *base;
|
||
|
if (unlikely(posix_memalign(&base, align, size)))
|
||
|
base = NULL;
|
||
|
return base;
|
||
|
}
|
||
|
# define vlc_free(base) free(base)
|
||
|
#endif
|
||
|
|
||
|
VLC_API void vlc_tdestroy( void *, void (*)(void *) );
|
||
|
|
||
|
/*****************************************************************************
|
||
|
* I18n stuff
|
||
|
*****************************************************************************/
|
||
|
VLC_API char *vlc_gettext( const char *msgid ) VLC_FORMAT_ARG(1);
|
||
|
VLC_API char *vlc_ngettext( const char *s, const char *p, unsigned long n ) VLC_FORMAT_ARG(1) VLC_FORMAT_ARG(2);
|
||
|
|
||
|
#define vlc_pgettext( ctx, id ) \
|
||
|
vlc_pgettext_aux( ctx "\004" id, id )
|
||
|
|
||
|
VLC_FORMAT_ARG(2)
|
||
|
static inline const char *vlc_pgettext_aux( const char *ctx, const char *id )
|
||
|
{
|
||
|
const char *tr = vlc_gettext( ctx );
|
||
|
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;
|
||
|
}
|
||
|
|
||
|
static inline void *xcalloc (size_t n, size_t size)
|
||
|
{
|
||
|
void *ptr = calloc (n, size);
|
||
|
if (unlikely (ptr == NULL))
|
||
|
abort ();
|
||
|
return ptr;
|
||
|
}
|
||
|
|
||
|
static inline char *xstrdup (const char *str)
|
||
|
{
|
||
|
char *ptr = strdup (str);
|
||
|
if (unlikely(ptr == NULL))
|
||
|
abort ();
|
||
|
return ptr;
|
||
|
}
|
||
|
|
||
|
/*****************************************************************************
|
||
|
* libvlc features
|
||
|
*****************************************************************************/
|
||
|
VLC_API const char * VLC_CompileBy( void ) VLC_USED;
|
||
|
VLC_API const char * VLC_CompileHost( void ) VLC_USED;
|
||
|
VLC_API const char * VLC_Compiler( void ) VLC_USED;
|
||
|
|
||
|
/*****************************************************************************
|
||
|
* Additional vlc stuff
|
||
|
*****************************************************************************/
|
||
|
#include "vlc_messages.h"
|
||
|
#include "vlc_objects.h"
|
||
|
#include "vlc_variables.h"
|
||
|
#include "vlc_main.h"
|
||
|
#include "vlc_configuration.h"
|
||
|
|
||
|
#if defined( _WIN32 ) || defined( __SYMBIAN32__ ) || defined( __OS2__ )
|
||
|
# 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 */
|