* modules.h : Module management functions.
*****************************************************************************
* Copyright (C) 2001 VideoLAN
+ * $Id: modules.h,v 1.22 2001/05/01 04:18:17 sam Exp $
*
* Authors: Samuel Hocevar <sam@zoy.org>
*
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
*****************************************************************************/
+#ifdef WIN32
+#include <sys/types.h> /* off_t */
+#endif
+
+/*****************************************************************************
+ * bank_t, p_bank (global variable)
+ *****************************************************************************
+ * This global variable is accessed by any function using modules.
+ *****************************************************************************/
+typedef struct
+{
+ struct module_s * first; /* First module of the bank */
+
+ vlc_mutex_t lock; /* Global lock -- you can't imagine how awful it
+ is to design thread-safe linked lists. */
+} bank_t;
+
+extern bank_t *p_bank;
+
+/*****************************************************************************
+ * Module #defines.
+ *****************************************************************************/
+
/* Number of tries before we unload an unused module */
-#define MODULE_HIDE_DELAY 10
+#define MODULE_HIDE_DELAY 100
/* The module handle type. */
#ifdef SYS_BEOS
#endif
/*****************************************************************************
- * Configuration structure
+ * Module capabilities.
*****************************************************************************/
+
+#define MODULE_CAPABILITY_NULL 0 /* The Module can't do anything */
+#define MODULE_CAPABILITY_INTF 1 << 0 /* Interface */
+#define MODULE_CAPABILITY_ACCESS 1 << 1 /* Input */
+#define MODULE_CAPABILITY_INPUT 1 << 2 /* Input */
+#define MODULE_CAPABILITY_DECAPS 1 << 3 /* Decaps */
+#define MODULE_CAPABILITY_ADEC 1 << 4 /* Audio decoder */
+#define MODULE_CAPABILITY_VDEC 1 << 5 /* Video decoder */
+#define MODULE_CAPABILITY_MOTION 1 << 6 /* Video decoder */
+#define MODULE_CAPABILITY_IDCT 1 << 7 /* IDCT transformation */
+#define MODULE_CAPABILITY_AOUT 1 << 8 /* Audio output */
+#define MODULE_CAPABILITY_VOUT 1 << 9 /* Video output */
+#define MODULE_CAPABILITY_YUV 1 << 10 /* YUV colorspace conversion */
+#define MODULE_CAPABILITY_AFX 1 << 11 /* Audio effects */
+#define MODULE_CAPABILITY_VFX 1 << 12 /* Video effects */
+
+/* FIXME: kludge */
+struct input_area_s;
+
+/* FIXME: not yet used */
+typedef struct probedata_s
+{
+ struct
+ {
+ char * psz_data;
+ } aout;
+} probedata_t;
+
+/* FIXME: find a nicer way to do this. */
+typedef struct function_list_s
+{
+ int ( * pf_probe ) ( probedata_t * p_data );
+
+ 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
+ {
+ 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 * );
+
+ int ( * pf_read ) ( struct input_thread_s *,
+ struct data_packet_s *
+ pp_packets[] );
+ 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_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 * );
+ 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 * );
+ } 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_display ) ( struct vout_thread_s * );
+ void ( * pf_setpalette ) ( struct vout_thread_s *, u16 *red,
+ u16 *green, u16 *blue, u16 *transp );
+ } vout;
+
+ /* Motion compensation plugin */
+ struct
+ {
+#define motion_functions( yuv ) \
+ void ( * pf_field_field_##yuv ) ( struct macroblock_s * ); \
+ void ( * pf_field_16x8_##yuv ) ( struct macroblock_s * ); \
+ void ( * pf_field_dmv_##yuv ) ( struct macroblock_s * ); \
+ void ( * pf_frame_field_##yuv ) ( struct macroblock_s * ); \
+ void ( * pf_frame_frame_##yuv ) ( struct macroblock_s * ); \
+ void ( * pf_frame_dmv_##yuv ) ( struct macroblock_s * );
+ motion_functions( 420 )
+ motion_functions( 422 )
+ motion_functions( 444 )
+#undef motion_functions
+ } motion;
+
+ /* IDCT plugin */
+ struct
+ {
+ void ( * pf_init ) ( struct vdec_thread_s * );
+ void ( * pf_sparse_idct ) ( struct vdec_thread_s *,
+ dctelem_t *, int );
+ void ( * pf_idct ) ( struct vdec_thread_s *,
+ dctelem_t *, int );
+ void ( * pf_norm_scan ) ( u8 ppi_scan[2][64] );
+ } idct;
+
+ /* YUV transformation plugin */
+ struct
+ {
+ int ( * pf_init ) ( struct vout_thread_s * );
+ int ( * pf_reset ) ( struct vout_thread_s * );
+ void ( * pf_end ) ( struct vout_thread_s * );
+ } yuv;
+
+ } functions;
+
+} function_list_t;
+
+typedef struct module_functions_s
+{
+ /* 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 adec;
+ function_list_t vdec;
+ function_list_t motion;
+ function_list_t idct;
+ function_list_t aout;
+ function_list_t vout;
+ function_list_t yuv;
+ function_list_t afx;
+ function_list_t vfx;
+
+} module_functions_t;
+
+typedef struct module_functions_s * p_module_functions_t;
+
+/*****************************************************************************
+ * Macros used to build the configuration structure.
+ *****************************************************************************/
+
+/* Mandatory first and last parts of the structure */
+#define MODULE_CONFIG_ITEM_START 0xdead /* The main window */
+#define MODULE_CONFIG_ITEM_END 0xbeef /* End of the window */
+
+/* Configuration widgets */
+#define MODULE_CONFIG_ITEM_WINDOW 0x0001 /* The main window */
+#define MODULE_CONFIG_ITEM_PANE 0x0002 /* A notebook pane */
+#define MODULE_CONFIG_ITEM_FRAME 0x0003 /* A frame */
+#define MODULE_CONFIG_ITEM_COMMENT 0x0004 /* A comment text */
+#define MODULE_CONFIG_ITEM_STRING 0x0005 /* A string */
+#define MODULE_CONFIG_ITEM_FILE 0x0006 /* A file selector */
+#define MODULE_CONFIG_ITEM_CHECK 0x0007 /* A checkbox */
+#define MODULE_CONFIG_ITEM_CHOOSE 0x0008 /* A choose box */
+#define MODULE_CONFIG_ITEM_RADIO 0x0009 /* A radio box */
+#define MODULE_CONFIG_ITEM_SCALE 0x000a /* A horizontal ruler */
+#define MODULE_CONFIG_ITEM_SPIN 0x000b /* A numerical selector */
+
typedef struct module_config_s
{
int i_type; /* Configuration widget type */
* Bank and module description structures
*****************************************************************************/
-/* The main module structure */
+/* The module description structure */
typedef struct module_s
{
boolean_t b_builtin; /* Set to true if the module is built in */
- module_handle_t handle; /* Unique handle to refer to the module */
- char * psz_filename; /* Module filename */
+ union
+ {
+ struct
+ {
+ module_handle_t handle; /* Unique handle */
+ char * psz_filename; /* Module filename */
+
+ } plugin;
+
+ struct
+ {
+ int ( *pf_deactivate ) ( struct module_s * );
+
+ } builtin;
+
+ } is;
char * psz_name; /* Module _unique_ name */
char * psz_longname; /* Module descriptive name */
struct module_s * next; /* Next module */
struct module_s * prev; /* Previous module */
- u32 i_capabilities; /* Capability list */
-
module_config_t * p_config; /* Module configuration structure table */
-} module_t;
+ u32 i_capabilities; /* Capability list */
+ p_module_functions_t p_functions; /* Capability functions */
-/* The module bank structure */
-typedef struct module_bank_s
-{
- module_t * first; /* First module of the bank */
-
- vlc_mutex_t lock; /* Global lock -- you can't imagine how awful it
- is to design thread-safe linked lists. */
-} module_bank_t;
+} module_t;
/*****************************************************************************
* Exported functions.
*****************************************************************************/
-module_bank_t * module_InitBank ( void );
-int module_DestroyBank ( module_bank_t * p_bank );
-int module_ResetBank ( module_bank_t * p_bank );
-void module_ManageBank ( module_bank_t * p_bank );
-
-int module_Need ( module_t * p_module );
-int module_Unneed ( module_t * p_module );
+void module_InitBank ( void );
+void module_EndBank ( void );
+void module_ResetBank ( void );
+void module_ManageBank ( void );
+module_t * module_Need ( int i_capabilities, void *p_data );
+void module_Unneed ( module_t * p_module );
projects / vlc / blobdiff