* modules.h : Module management functions.
*****************************************************************************
* Copyright (C) 2001 VideoLAN
- * $Id: modules.h,v 1.55 2002/06/11 09:44:21 gbazin Exp $
+ * $Id$
*
* Authors: Samuel Hocevar <sam@zoy.org>
*
* 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
/* Number of tries before we unload an unused module */
#define MODULE_HIDE_DELAY 50
-#define MODULE_SHORTCUT_MAX 10
+#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 <mach-o/dyld.h>
+# 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.
- *****************************************************************************/
-#define MODULE_CAPABILITY_MAIN 0 /* Main */
-#define MODULE_CAPABILITY_INTF 1 /* Interface */
-#define MODULE_CAPABILITY_ACCESS 2 /* Input */
-#define MODULE_CAPABILITY_DEMUX 3 /* Input */
-#define MODULE_CAPABILITY_NETWORK 4 /* Network */
-#define MODULE_CAPABILITY_DECODER 5 /* Audio or video decoder */
-#define MODULE_CAPABILITY_MOTION 6 /* Motion compensation */
-#define MODULE_CAPABILITY_IDCT 7 /* IDCT transformation */
-#define MODULE_CAPABILITY_AOUT 8 /* Audio output */
-#define MODULE_CAPABILITY_AOUT_FILTER 9 /* Audio output filter */
-#define MODULE_CAPABILITY_VOUT 10 /* Video output */
-#define MODULE_CAPABILITY_VOUT_FILTER 11 /* Video output filter */
-#define MODULE_CAPABILITY_CHROMA 12 /* colorspace conversion */
-#define MODULE_CAPABILITY_IMDCT 13 /* IMDCT transformation */
-#define MODULE_CAPABILITY_DOWNMIX 14 /* AC3 downmix */
-#define MODULE_CAPABILITY_MEMCPY 15 /* memcpy */
-#define MODULE_CAPABILITY_MAX 16 /* Total number of capabilities */
-
-#define DECLARE_MODULE_CAPABILITY_TABLE \
- static const char *ppsz_capabilities[] = \
- { \
- "main", \
- "interface", \
- "access", \
- "demux", \
- "network", \
- "decoder", \
- "motion", \
- "iDCT", \
- "audio output", \
- "audio output filter", \
- "video output", \
- "video output filter", \
- "chroma transformation", \
- "iMDCT", \
- "downmix", \
- "memcpy", \
- "unknown" \
- }
-
-#define MODULE_CAPABILITY( i_capa ) \
- ppsz_capabilities[ ((i_capa) > MODULE_CAPABILITY_MAX) ? \
- MODULE_CAPABILITY_MAX : (i_capa) ]
-
/*****************************************************************************
* module_bank_t: the module bank
*****************************************************************************
* This variable is accessed by any function using modules.
*****************************************************************************/
-struct module_bank_s
+struct module_bank_t
{
- module_t * first; /* First module in the bank */
- int i_count; /* Number of allocated modules */
+ VLC_COMMON_MEMBERS
+
+ int i_usage;
+ module_symbols_t symbols;
+
+ 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 */
+ int i_cache;
+ module_cache_t **pp_cache;
+
+ int i_loaded_cache;
+ module_cache_t **pp_loaded_cache;
};
/*****************************************************************************
* Module description structure
*****************************************************************************/
-struct module_s
+struct module_t
{
VLC_COMMON_MEMBERS
/*
* Variables set by the module to identify itself
*/
+ char *psz_shortname; /* Module name */
+ char *psz_name; /* Human-readable shortname */
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? */
- module_functions_t *p_functions; /* Capability functions */
+ /* Callbacks */
+ int ( * pf_activate ) ( vlc_object_t * );
+ void ( * pf_deactivate ) ( vlc_object_t * );
/*
* Variables set by the module to store its config options
/*
* Variables used internally by the module manager
*/
- vlc_bool_t b_builtin; /* Set to true if the module is built in */
-
- union
- {
- struct
- {
- module_handle_t handle; /* Unique handle */
- char * psz_filename; /* Module filename */
-
- } plugin;
-
- struct
- {
- int ( *pf_deactivate ) ( module_t * );
-
- } builtin;
-
- } is;
-
- int i_usage; /* Reference counter */
- int i_unused_delay; /* Delay until module is unloaded */
+ /* Plugin-specific stuff */
+ module_handle_t handle; /* Unique handle */
+ char * psz_filename; /* Module filename */
- module_t *next; /* Next module */
- module_t *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
};
/*****************************************************************************
- * Module functions description structure
+ * Module cache description structure
*****************************************************************************/
-typedef struct function_list_s
-{
- union
- {
- /* Interface plugin */
- struct
- {
- int ( * pf_open ) ( intf_thread_t * );
- void ( * pf_close )( intf_thread_t * );
- void ( * pf_run ) ( intf_thread_t * );
- } intf;
-
- /* Access plugin */
- struct
- {
- int ( * pf_open ) ( input_thread_t * );
- void ( * pf_close ) ( input_thread_t * );
- ssize_t ( * pf_read ) ( input_thread_t *, byte_t *, size_t );
- void ( * pf_seek ) ( input_thread_t *, off_t );
- int ( * pf_set_program ) ( input_thread_t *, pgrm_descriptor_t * );
- int ( * pf_set_area ) ( input_thread_t *, input_area_t * );
- } access;
-
- /* Demux plugin */
- struct
- {
- int ( * pf_init ) ( input_thread_t * );
- void ( * pf_end ) ( input_thread_t * );
- int ( * pf_demux ) ( input_thread_t * );
- int ( * pf_rewind ) ( input_thread_t * );
- } demux;
-
- /* Network plugin */
- struct
- {
- int ( * pf_open ) ( vlc_object_t *, network_socket_t * );
- } network;
-
- /* Audio output plugin */
- struct
- {
- int ( * pf_open ) ( aout_thread_t * );
- int ( * pf_setformat ) ( aout_thread_t * );
- int ( * pf_getbufinfo ) ( aout_thread_t *, int );
- void ( * pf_play ) ( aout_thread_t *, byte_t *, int );
- void ( * pf_close ) ( aout_thread_t * );
- } aout;
-
- /* Video output plugin */
- struct
- {
- int ( * pf_create ) ( vout_thread_t * );
- int ( * pf_init ) ( vout_thread_t * );
- void ( * pf_end ) ( vout_thread_t * );
- void ( * pf_destroy ) ( vout_thread_t * );
- int ( * pf_manage ) ( vout_thread_t * );
- void ( * pf_render ) ( vout_thread_t *, picture_t * );
- void ( * pf_display ) ( vout_thread_t *, picture_t * );
- } 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 ) ( vout_thread_t * );
- void ( * pf_end ) ( vout_thread_t * );
- } chroma;
-
- /* IMDCT plugin */
- struct
- {
- void ( * pf_imdct_init ) ( imdct_t * );
- void ( * pf_imdct_256 ) ( imdct_t *, float [], float [] );
- void ( * pf_imdct_256_nol )( imdct_t *, float [], float [] );
- void ( * pf_imdct_512 ) ( imdct_t *, float [], float [] );
- void ( * pf_imdct_512_nol )( imdct_t *, float [], float [] );
-// void ( * pf_fft_64p ) ( complex_t * );
-
- } imdct;
-
- /* AC3 downmix plugin */
- struct
- {
- void ( * pf_downmix_3f_2r_to_2ch ) ( float *, dm_par_t * );
- void ( * pf_downmix_3f_1r_to_2ch ) ( float *, dm_par_t * );
- void ( * pf_downmix_2f_2r_to_2ch ) ( float *, dm_par_t * );
- void ( * pf_downmix_2f_1r_to_2ch ) ( float *, dm_par_t * );
- void ( * pf_downmix_3f_0r_to_2ch ) ( float *, dm_par_t * );
- 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 ) ( decoder_fifo_t * p_fifo );
- } dec;
-
- /* memcpy plugins */
- struct
- {
- void* ( * pf_memcpy ) ( void *, const void *, size_t );
- void* ( * pf_memset ) ( void *, int, size_t );
- } memcpy;
-
- } functions;
-
-} function_list_t;
-
-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 demux;
- function_list_t network;
- 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;
+
+ /* Optional extra data */
+ module_t *p_module;
};
/*****************************************************************************
* Exported functions.
*****************************************************************************/
-#define module_InitBank(a) __module_InitBank(CAST_TO_VLC_OBJECT(a))
+#define module_InitBank(a) __module_InitBank(VLC_OBJECT(a))
void __module_InitBank ( vlc_object_t * );
-#define module_LoadMain(a) __module_LoadMain(CAST_TO_VLC_OBJECT(a))
+#define module_LoadMain(a) __module_LoadMain(VLC_OBJECT(a))
void __module_LoadMain ( vlc_object_t * );
-#define module_LoadBuiltins(a) __module_LoadBuiltins(CAST_TO_VLC_OBJECT(a))
+#define module_LoadBuiltins(a) __module_LoadBuiltins(VLC_OBJECT(a))
void __module_LoadBuiltins ( vlc_object_t * );
-#define module_LoadPlugins(a) __module_LoadPlugins(CAST_TO_VLC_OBJECT(a))
+#define module_LoadPlugins(a) __module_LoadPlugins(VLC_OBJECT(a))
void __module_LoadPlugins ( vlc_object_t * );
-#define module_EndBank(a) __module_EndBank(CAST_TO_VLC_OBJECT(a))
+#define module_EndBank(a) __module_EndBank(VLC_OBJECT(a))
void __module_EndBank ( vlc_object_t * );
-#define module_ResetBank(a) __module_ResetBank(CAST_TO_VLC_OBJECT(a))
+#define module_ResetBank(a) __module_ResetBank(VLC_OBJECT(a))
void __module_ResetBank ( vlc_object_t * );
-#define module_ManageBank(a) __module_ManageBank(CAST_TO_VLC_OBJECT(a))
-void __module_ManageBank ( vlc_object_t * );
-#define module_Need(a,b,c,d) __module_Need(CAST_TO_VLC_OBJECT(a),b,c,d)
-VLC_EXPORT( module_t *, __module_Need, ( vlc_object_t *, int, char *, void * ) );
-VLC_EXPORT( void, module_Unneed, ( module_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 * ) );
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