X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=include%2Fmodules.h;h=cb2195d0264a7a54823418454b403d4f09eebf90;hb=7ae23ab69222d3adf01245d23504891c50765a71;hp=4f806fc3e39cbbedcdf8eb149c9372086edf9637;hpb=d4243d5979294ad5de55c48c2d0a888d546f273e;p=vlc diff --git a/include/modules.h b/include/modules.h index 4f806fc3e3..cb2195d026 100644 --- a/include/modules.h +++ b/include/modules.h @@ -1,8 +1,8 @@ /***************************************************************************** * modules.h : Module management functions. ***************************************************************************** - * Copyright (C) 2001 VideoLAN - * $Id: modules.h,v 1.43 2002/02/24 22:06:50 sam Exp $ + * Copyright (C) 2001 the VideoLAN team + * $Id$ * * Authors: Samuel Hocevar * @@ -10,7 +10,7 @@ * 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 @@ -26,323 +26,143 @@ *****************************************************************************/ /* Number of tries before we unload an unused module */ -#define MODULE_HIDE_DELAY 10000 -#define MODULE_SHORTCUT_MAX 10 +#define MODULE_HIDE_DELAY 50 +#define MODULE_SHORTCUT_MAX 50 /* The module handle type. */ -#ifdef SYS_BEOS -typedef int module_handle_t; -#else -typedef void * module_handle_t; +#if defined(HAVE_DL_DYLD) +# if defined (HAVE_MACH_O_DYLD_H) +# include +# endif +typedef NSModule module_handle_t; +#elif defined(HAVE_IMAGE_H) +typedef int module_handle_t; +#elif defined(WIN32) || defined(UNDER_CE) +typedef void * module_handle_t; +#elif defined(HAVE_DL_DLOPEN) +typedef void * module_handle_t; +#elif defined(HAVE_DL_SHL_LOAD) +typedef shl_t module_handle_t; #endif /***************************************************************************** - * Module capabilities. + * module_bank_t: the module bank + ***************************************************************************** + * This variable is accessed by any function using modules. *****************************************************************************/ -static __inline__ char *GetCapabilityName( unsigned int i_capa ) +struct module_bank_t { - /* The sole purpose of this inline function and the ugly #defines - * around it is to avoid having two places to modify when adding a - * new capability. */ - static char *pp_capa[] = - { - "main", -#define MODULE_CAPABILITY_MAIN 0 /* Main */ - "interface", -#define MODULE_CAPABILITY_INTF 1 /* Interface */ - "access", -#define MODULE_CAPABILITY_ACCESS 2 /* Input */ - "input", -#define MODULE_CAPABILITY_INPUT 3 /* Input */ - "decaps", -#define MODULE_CAPABILITY_DECAPS 4 /* Decaps */ - "decoder", -#define MODULE_CAPABILITY_DECODER 5 /* Audio or video decoder */ - "motion", -#define MODULE_CAPABILITY_MOTION 6 /* Motion compensation */ - "iDCT", -#define MODULE_CAPABILITY_IDCT 7 /* IDCT transformation */ - "audio output", -#define MODULE_CAPABILITY_AOUT 8 /* Audio output */ - "video output", -#define MODULE_CAPABILITY_VOUT 9 /* Video output */ - "chroma transformation", -#define MODULE_CAPABILITY_CHROMA 10 /* colorspace conversion */ - "iMDCT", -#define MODULE_CAPABILITY_IMDCT 11 /* IMDCT transformation */ - "downmix", -#define MODULE_CAPABILITY_DOWNMIX 12 /* AC3 downmix */ - "memcpy", -#define MODULE_CAPABILITY_MEMCPY 13 /* memcpy */ - "unknown" -#define MODULE_CAPABILITY_MAX 14 /* Total number of capabilities */ - }; + VLC_COMMON_MEMBERS - return pp_capa[ (i_capa) > MODULE_CAPABILITY_MAX ? MODULE_CAPABILITY_MAX : - (i_capa) ]; -} + int i_usage; +#ifndef HAVE_SHARED_LIBVLC + module_symbols_t symbols; +#endif -/***************************************************************************** - * module_bank_t, p_module_bank (global variable) - ***************************************************************************** - * This global variable is accessed by any function using modules. - *****************************************************************************/ -typedef struct -{ - struct module_s * first; /* First module in the bank */ - int i_count; /* Number of allocated modules */ + vlc_bool_t b_main; + vlc_bool_t b_builtins; + vlc_bool_t b_plugins; + + /* Plugins cache */ + vlc_bool_t b_cache; + vlc_bool_t b_cache_dirty; + vlc_bool_t b_cache_delete; - vlc_mutex_t lock; /* Global lock -- you can't imagine how awful * - it is to design thread-safe linked lists */ -} module_bank_t; + int i_cache; + module_cache_t **pp_cache; -extern module_bank_t *p_module_bank; + int i_loaded_cache; + module_cache_t **pp_loaded_cache; +}; /***************************************************************************** * Module description structure *****************************************************************************/ -typedef struct module_s +struct module_t { + VLC_COMMON_MEMBERS + /* * Variables set by the module to identify itself */ - char *psz_name; /* Module _unique_ name */ + char *psz_shortname; /* Module name */ char *psz_longname; /* Module descriptive name */ /* * Variables set by the module to tell us what it can do */ char *psz_program; /* Program name which will activate the module */ + char *pp_shortcuts[ MODULE_SHORTCUT_MAX ]; /* Shortcuts to the module */ - u32 i_capabilities; /* Capability list */ - int pi_score[ MODULE_CAPABILITY_MAX ]; /* Score for each capability */ + char *psz_capability; /* Capability */ + int i_score; /* Score for each capability */ + uint32_t i_cpu; /* Required CPU capabilities */ - u32 i_cpu_capabilities; /* Required CPU capabilities */ + vlc_bool_t b_unloadable; /* Can we be dlclosed? */ + vlc_bool_t b_reentrant; /* Are we reentrant? */ + vlc_bool_t b_submodule; /* Is this a submodule? */ - struct module_functions_s *p_functions; /* Capability functions */ - struct module_config_s *p_config; /* Module configuration structure */ - int i_config_options; /* number of configuration options */ + /* Callbacks */ + int ( * pf_activate ) ( vlc_object_t * ); + void ( * pf_deactivate ) ( vlc_object_t * ); /* - * Variables used internally by the module manager + * Variables set by the module to store its config options */ - boolean_t b_builtin; /* Set to true if the module is built in */ + module_config_t *p_config; /* Module configuration structure */ + unsigned int i_config_items; /* number of configuration items */ + unsigned int i_bool_items; /* number of bool config items */ - union - { - struct - { - module_handle_t handle; /* Unique handle */ - char * psz_filename; /* Module filename */ - - } plugin; - - struct - { - int ( *pf_deactivate ) ( struct module_s * ); - - } builtin; - - } is; - - int i_usage; /* Reference counter */ - int i_unused_delay; /* Delay until module is unloaded */ + /* + * Variables used internally by the module manager + */ + /* Plugin-specific stuff */ + module_handle_t handle; /* Unique handle */ + char * psz_filename; /* Module filename */ - struct module_s *next; /* Next module */ - struct module_s *prev; /* Previous module */ + vlc_bool_t b_builtin; /* Set to true if the module is built in */ + vlc_bool_t b_loaded; /* Set to true if the dll is loaded */ /* * Symbol table we send to the module so that it can access vlc symbols */ - struct module_symbols_s *p_symbols; - -} module_t; + module_symbols_t *p_symbols; +}; /***************************************************************************** - * Module functions description structure + * Module cache description structure *****************************************************************************/ -typedef struct function_list_s -{ - union - { - /* Interface plugin */ - struct - { - int ( * pf_open ) ( struct intf_thread_s * ); - void ( * pf_close )( struct intf_thread_s * ); - void ( * pf_run ) ( struct intf_thread_s * ); - } intf; - - /* Input plugin */ - struct - { - int ( * pf_probe )( struct input_thread_s * ); - void ( * pf_init ) ( struct input_thread_s * ); - void ( * pf_open ) ( struct input_thread_s * ); - void ( * pf_close )( struct input_thread_s * ); - void ( * pf_end ) ( struct input_thread_s * ); - void ( * pf_init_bit_stream ) ( struct bit_stream_s *, - struct decoder_fifo_s *, - void (* pf_bitstream_callback)( struct bit_stream_s *, - boolean_t ), - void * ); - - int ( * pf_read ) ( struct input_thread_s *, - struct data_packet_s ** ); - void ( * pf_demux )( struct input_thread_s *, - struct data_packet_s * ); - - struct data_packet_s * ( * pf_new_packet ) ( void *, size_t ); - struct pes_packet_s * ( * pf_new_pes ) ( void * ); - void ( * pf_delete_packet ) ( void *, struct data_packet_s * ); - void ( * pf_delete_pes ) ( void *, struct pes_packet_s * ); - - int ( * pf_set_program ) ( struct input_thread_s *, - struct pgrm_descriptor_s * ); - - int ( * pf_set_area ) ( struct input_thread_s *, - struct input_area_s * ); - int ( * pf_rewind ) ( struct input_thread_s * ); - void ( * pf_seek ) ( struct input_thread_s *, off_t ); - } input; - - /* Audio output plugin */ - struct - { - int ( * pf_open ) ( struct aout_thread_s * ); - int ( * pf_setformat ) ( struct aout_thread_s * ); - int ( * pf_getbufinfo ) ( struct aout_thread_s *, int ); - void ( * pf_play ) ( struct aout_thread_s *, byte_t *, int ); - void ( * pf_close ) ( struct aout_thread_s * ); - } aout; - - /* Video output plugin */ - struct - { - int ( * pf_create ) ( struct vout_thread_s * ); - int ( * pf_init ) ( struct vout_thread_s * ); - void ( * pf_end ) ( struct vout_thread_s * ); - void ( * pf_destroy ) ( struct vout_thread_s * ); - int ( * pf_manage ) ( struct vout_thread_s * ); - void ( * pf_render ) ( struct vout_thread_s *, - struct picture_s * ); - void ( * pf_display ) ( struct vout_thread_s *, - struct picture_s * ); - } vout; - - /* Motion compensation plugin */ - struct - { - void ( * ppppf_motion[2][2][4] ) ( yuv_data_t *, yuv_data_t *, - int, int ); - } motion; - - /* IDCT plugin */ - struct - { - void ( * pf_idct_init ) ( void ** ); - void ( * pf_sparse_idct_add )( dctelem_t *, yuv_data_t *, int, - void *, int ); - void ( * pf_idct_add ) ( dctelem_t *, yuv_data_t *, int, - void *, int ); - void ( * pf_sparse_idct_copy )( dctelem_t *, yuv_data_t *, int, - void *, int ); - void ( * pf_idct_copy ) ( dctelem_t *, yuv_data_t *, int, - void *, int ); - void ( * pf_norm_scan ) ( u8 ppi_scan[2][64] ); - } idct; - - /* Chroma transformation plugin */ - struct - { - int ( * pf_init ) ( struct vout_thread_s * ); - void ( * pf_end ) ( struct vout_thread_s * ); - } chroma; - - /* IMDCT plugin */ - struct - { - void ( * pf_imdct_init ) ( struct imdct_s * ); - void ( * pf_imdct_256 ) ( struct imdct_s *, - float data[], float delay[] ); - void ( * pf_imdct_256_nol )( struct imdct_s *, - float data[], float delay[] ); - void ( * pf_imdct_512 ) ( struct imdct_s *, - float data[], float delay[] ); - void ( * pf_imdct_512_nol )( struct imdct_s *, - float data[], float delay[] ); -// void ( * pf_fft_64p ) ( struct complex_s * ); - - } imdct; - - /* AC3 downmix plugin */ - struct - { - void ( * pf_downmix_3f_2r_to_2ch ) ( float *, struct dm_par_s * ); - void ( * pf_downmix_3f_1r_to_2ch ) ( float *, struct dm_par_s * ); - void ( * pf_downmix_2f_2r_to_2ch ) ( float *, struct dm_par_s * ); - void ( * pf_downmix_2f_1r_to_2ch ) ( float *, struct dm_par_s * ); - void ( * pf_downmix_3f_0r_to_2ch ) ( float *, struct dm_par_s * ); - void ( * pf_stream_sample_2ch_to_s16 ) ( s16 *, float *, float * ); - void ( * pf_stream_sample_1ch_to_s16 ) ( s16 *, float * ); - - } downmix; - - /* Decoder plugins */ - struct - { - int ( * pf_probe)( u8 * p_es ); - int ( * pf_run ) ( struct decoder_config_s * p_config ); - } dec; - - /* memcpy plugins */ - struct - { - void* ( * pf_memcpy ) ( void *, const void *, size_t ); - void* ( * pf_memset ) ( void *, int, size_t ); - } memcpy; - - } functions; - -} function_list_t; - -typedef struct module_functions_s +struct module_cache_t { - /* XXX: The order here has to be the same as above for the #defines */ - function_list_t intf; - function_list_t access; - function_list_t input; - function_list_t decaps; - function_list_t dec; - function_list_t motion; - function_list_t idct; - function_list_t aout; - function_list_t vout; - function_list_t chroma; - function_list_t imdct; - function_list_t downmix; - function_list_t memcpy; + /* Mandatory cache entry header */ + char *psz_file; + int64_t i_time; + int64_t i_size; + vlc_bool_t b_junk; -} module_functions_t; - -typedef struct module_functions_s * p_module_functions_t; + /* Optional extra data */ + module_t *p_module; +}; /***************************************************************************** * Exported functions. *****************************************************************************/ -#ifndef PLUGIN -void module_InitBank ( void ); -void module_LoadMain ( void ); -void module_LoadBuiltins ( void ); -void module_LoadPlugins ( void ); -void module_EndBank ( void ); -void module_ResetBank ( void ); -void module_ManageBank ( void ); -module_t * module_Need ( int, char *, void * ); -void module_Unneed ( module_t * p_module ); +#define module_InitBank(a) __module_InitBank(VLC_OBJECT(a)) +void __module_InitBank ( vlc_object_t * ); +#define module_LoadMain(a) __module_LoadMain(VLC_OBJECT(a)) +void __module_LoadMain ( vlc_object_t * ); +#define module_LoadBuiltins(a) __module_LoadBuiltins(VLC_OBJECT(a)) +void __module_LoadBuiltins ( vlc_object_t * ); +#define module_LoadPlugins(a) __module_LoadPlugins(VLC_OBJECT(a)) +void __module_LoadPlugins ( vlc_object_t * ); +#define module_EndBank(a) __module_EndBank(VLC_OBJECT(a)) +void __module_EndBank ( vlc_object_t * ); +#define module_ResetBank(a) __module_ResetBank(VLC_OBJECT(a)) +void __module_ResetBank ( vlc_object_t * ); + +#define module_Need(a,b,c,d) __module_Need(VLC_OBJECT(a),b,c,d) +VLC_EXPORT( module_t *, __module_Need, ( vlc_object_t *, const char *, const char *, vlc_bool_t ) ); +#define module_Unneed(a,b) __module_Unneed(VLC_OBJECT(a),b) +VLC_EXPORT( void, __module_Unneed, ( vlc_object_t *, module_t * ) ); -#else -# define module_Need p_symbols->module_Need -# define module_Unneed p_symbols->module_Unneed -#endif