* modules.h : Module management functions.
*****************************************************************************
* Copyright (C) 2001 VideoLAN
- * $Id: modules.h,v 1.42 2002/02/24 20:51:09 gbazin Exp $
+ * $Id: modules.h,v 1.57 2002/07/20 18:01:41 sam Exp $
*
* Authors: Samuel Hocevar <sam@zoy.org>
*
*****************************************************************************/
/* Number of tries before we unload an unused module */
-#define MODULE_HIDE_DELAY 10000
+#define MODULE_HIDE_DELAY 50
#define MODULE_SHORTCUT_MAX 10
/* The module handle type. */
/*****************************************************************************
* Module capabilities.
*****************************************************************************/
-static __inline__ char *GetCapabilityName( unsigned int i_capa )
-{
- /* 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 */
- };
-
- return pp_capa[ (i_capa) > MODULE_CAPABILITY_MAX ? MODULE_CAPABILITY_MAX :
- (i_capa) ];
-}
+#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, p_module_bank (global variable)
+ * module_bank_t: the module bank
*****************************************************************************
- * This global variable is accessed by any function using modules.
+ * This variable is accessed by any function using modules.
*****************************************************************************/
-typedef struct
+struct module_bank_t
{
- struct module_s * first; /* First module in the bank */
- int i_count; /* Number of allocated modules */
+ module_t * first; /* First module in the bank */
+ int i_count; /* Number of allocated modules */
- vlc_mutex_t lock; /* Global lock -- you can't imagine how awful *
+ vlc_mutex_t lock; /* Global lock -- you can't imagine how awful *
it is to design thread-safe linked lists */
-} module_bank_t;
-
-extern module_bank_t *p_module_bank;
+};
/*****************************************************************************
* 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_longname; /* Module descriptive name */
/*
u32 i_cpu_capabilities; /* Required CPU capabilities */
- 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 */
+ module_functions_t *p_functions; /* Capability functions */
+
+ /*
+ * Variables set by the module to store its config options
+ */
+ 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 */
/*
* Variables used internally by the module manager
*/
- boolean_t b_builtin; /* Set to true if the module is built in */
+ vlc_bool_t b_builtin; /* Set to true if the module is built in */
union
{
struct
{
- int ( *pf_deactivate ) ( struct module_s * );
+ int ( *pf_deactivate ) ( module_t * );
} builtin;
int i_usage; /* Reference counter */
int i_unused_delay; /* Delay until module is unloaded */
- struct module_s *next; /* Next module */
- struct module_s *prev; /* Previous module */
+ module_t *next; /* Next module */
+ module_t *prev; /* Previous module */
/*
* 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
*****************************************************************************/
-typedef struct function_list_s
+typedef struct function_list_t
{
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 * );
+ int ( * pf_open ) ( intf_thread_t * );
+ void ( * pf_close )( intf_thread_t * );
+ void ( * pf_run ) ( intf_thread_t * );
} intf;
- /* Input plugin */
+ /* Access 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;
+ 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 ) ( struct aout_thread_s * );
- int ( * pf_setformat ) ( struct aout_thread_s * );
- long ( * pf_getbufinfo ) ( struct aout_thread_s *, long );
- void ( * pf_play ) ( struct aout_thread_s *, byte_t *, int );
- void ( * pf_close ) ( struct aout_thread_s * );
+ 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 ) ( 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 * );
+ 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 */
/* Chroma transformation plugin */
struct
{
- int ( * pf_init ) ( struct vout_thread_s * );
- void ( * pf_end ) ( struct vout_thread_s * );
+ int ( * pf_init ) ( vout_thread_t * );
+ void ( * pf_end ) ( vout_thread_t * );
} 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 * );
+ 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 *, 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_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 * );
struct
{
int ( * pf_probe)( u8 * p_es );
- int ( * pf_run ) ( struct decoder_config_s * p_config );
+ int ( * pf_run ) ( decoder_fifo_t * p_fifo );
} dec;
/* memcpy plugins */
} function_list_t;
-typedef struct module_functions_s
+struct module_functions_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 demux;
+ function_list_t network;
function_list_t dec;
function_list_t motion;
function_list_t idct;
function_list_t imdct;
function_list_t downmix;
function_list_t memcpy;
-
-} module_functions_t;
-
-typedef struct module_functions_s * p_module_functions_t;
+};
/*****************************************************************************
* 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(CAST_TO_VLC_OBJECT(a))
+void __module_InitBank ( vlc_object_t * );
+#define module_LoadMain(a) __module_LoadMain(CAST_TO_VLC_OBJECT(a))
+void __module_LoadMain ( vlc_object_t * );
+#define module_LoadBuiltins(a) __module_LoadBuiltins(CAST_TO_VLC_OBJECT(a))
+void __module_LoadBuiltins ( vlc_object_t * );
+#define module_LoadPlugins(a) __module_LoadPlugins(CAST_TO_VLC_OBJECT(a))
+void __module_LoadPlugins ( vlc_object_t * );
+#define module_EndBank(a) __module_EndBank(CAST_TO_VLC_OBJECT(a))
+void __module_EndBank ( vlc_object_t * );
+#define module_ResetBank(a) __module_ResetBank(CAST_TO_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, const char *, void * ) );
+VLC_EXPORT( void, module_Unneed, ( module_t * ) );
-#else
-# define module_Need p_symbols->module_Need
-# define module_Unneed p_symbols->module_Unneed
-#endif
projects / vlc / blobdiff