* modules.h : Module management functions.
*****************************************************************************
* Copyright (C) 2001 VideoLAN
- * $Id: modules.h,v 1.24 2001/05/15 16:19:42 sam Exp $
+ * $Id: modules.h,v 1.39 2002/01/04 14:01:34 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 */
+/*****************************************************************************
+ * Module #defines.
+ *****************************************************************************/
+
+/* Number of tries before we unload an unused module */
+#define MODULE_HIDE_DELAY 10000
+#define MODULE_SHORTCUT_MAX 10
+
+/* The module handle type. */
+#ifdef SYS_BEOS
+typedef int module_handle_t;
+#else
+typedef void * module_handle_t;
#endif
+/*****************************************************************************
+ * 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[] =
+ {
+ "interface",
+#define MODULE_CAPABILITY_INTF 0 /* Interface */
+ "access",
+#define MODULE_CAPABILITY_ACCESS 1 /* Input */
+ "input",
+#define MODULE_CAPABILITY_INPUT 2 /* Input */
+ "decaps",
+#define MODULE_CAPABILITY_DECAPS 3 /* Decaps */
+ "decoder",
+#define MODULE_CAPABILITY_DECODER 4 /* Audio or video decoder */
+ "motion",
+#define MODULE_CAPABILITY_MOTION 5 /* Motion compensation */
+ "iDCT",
+#define MODULE_CAPABILITY_IDCT 6 /* IDCT transformation */
+ "audio output",
+#define MODULE_CAPABILITY_AOUT 7 /* Audio output */
+ "video output",
+#define MODULE_CAPABILITY_VOUT 8 /* Video output */
+ "chroma transformation",
+#define MODULE_CAPABILITY_CHROMA 9 /* colorspace conversion */
+ "iMDCT",
+#define MODULE_CAPABILITY_IMDCT 10 /* IMDCT transformation */
+ "downmix",
+#define MODULE_CAPABILITY_DOWNMIX 11 /* AC3 downmix */
+ "memcpy",
+#define MODULE_CAPABILITY_MEMCPY 12 /* memcpy */
+ "unknown"
+#define MODULE_CAPABILITY_MAX 13 /* Total number of capabilities */
+ };
+
+ return pp_capa[ (i_capa) > MODULE_CAPABILITY_MAX ? MODULE_CAPABILITY_MAX :
+ (i_capa) ];
+}
+
/*****************************************************************************
* module_bank_t, p_module_bank (global variable)
*****************************************************************************
*****************************************************************************/
typedef struct
{
- struct module_s * first; /* First module of the bank */
+ struct module_s * 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 it
- is to design thread-safe linked lists. */
+ 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 #defines.
+ * Module description structure
*****************************************************************************/
+typedef struct module_s
+{
+ /*
+ * Variables set by the module to identify itself
+ */
+ char *psz_name; /* Module _unique_ name */
+ char *psz_longname; /* Module descriptive name */
-/* Number of tries before we unload an unused module */
-#define MODULE_HIDE_DELAY 100
+ /*
+ * 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 */
-/* The module handle type. */
-#ifdef SYS_BEOS
-typedef int module_handle_t;
-#else
-typedef void * module_handle_t;
-#endif
+ u32 i_capabilities; /* Capability list */
+ int pi_score[ MODULE_CAPABILITY_MAX ]; /* Score for each capability */
-/*****************************************************************************
- * Module capabilities.
- *****************************************************************************/
+ u32 i_cpu_capabilities; /* Required CPU capabilities */
+
+ struct module_functions_s *p_functions; /* Capability functions */
+ struct module_config_s *p_config; /* Module configuration structure */
+
+ /*
+ * Variables used internally by the module manager
+ */
+ boolean_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 ) ( struct module_s * );
+
+ } builtin;
+
+ } is;
+
+ 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 */
+
+ /*
+ * Symbol table we send to the module so that it can access vlc symbols
+ */
+ struct module_symbols_s *p_symbols;
+
+} module_t;
+
+/*****************************************
+ * FIXME
+ * FIXME Capabilities
+ * FIXME
+ *******************************************/
+typedef struct memcpy_module_s
+{
+ struct module_s *p_module;
+
+ void* ( *pf_memcpy ) ( void *, const void *, size_t );
+
+} memcpy_module_t;
-#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 /* Motion compensation */
-#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_IMDCT 1 << 11 /* IMDCT transformation */
-#define MODULE_CAPABILITY_DOWNMIX 1 << 12 /* AC3 downmix */
-
-/* FIXME: kludge */
-struct input_area_s;
-struct imdct_s;
-struct complex_s;
-struct dm_par_s;
-
-/* FIXME: not yet used */
typedef struct probedata_s
{
+ u8 i_type;
+
struct
{
char * psz_data;
} aout;
+
+ struct
+ {
+ u32 i_chroma;
+ } vout;
+
+ struct
+ {
+ struct picture_heap_s* p_output;
+ struct picture_heap_s* p_render;
+ } chroma;
+
} probedata_t;
/* FIXME: find a nicer way to do this. */
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 *
- pp_packets[] );
+ struct data_packet_s ** );
void ( * pf_demux )( struct input_thread_s *,
struct data_packet_s * );
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 * );
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 );
+ void ( * pf_render ) ( struct vout_thread_s *,
+ struct picture_s * );
+ void ( * pf_display ) ( struct vout_thread_s *,
+ struct picture_s * );
+ void ( * pf_setpalette ) ( struct vout_thread_s *,
+ u16 *, u16 *, u16 * );
} 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
+ void ( * ppppf_motion[2][2][4] ) ( yuv_data_t *, yuv_data_t *,
+ int, int );
} motion;
/* IDCT plugin */
struct
{
- void ( * pf_idct_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_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] );
-
- void ( * pf_vdec_init ) ( struct vdec_thread_s * );
- void ( * pf_decode_mb_c ) ( struct vdec_thread_s *,
- struct macroblock_s * );
- void ( * pf_decode_mb_bw ) ( struct vdec_thread_s *,
- struct macroblock_s * );
} idct;
- /* YUV transformation plugin */
+ /* Chroma 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;
+ } chroma;
/* IMDCT plugin */
struct
} downmix;
+ /* Decoder plugins */
+ struct
+ {
+ int ( * pf_run ) ( struct decoder_config_s * p_config );
+ } dec;
+
+ /* memcpy plugins */
+ struct
+ {
+ void* ( * fast_memcpy ) ( void *, const void *, size_t );
+ } memcpy;
+
} functions;
} function_list_t;
function_list_t access;
function_list_t input;
function_list_t decaps;
- function_list_t adec;
- function_list_t vdec;
+ function_list_t dec;
function_list_t motion;
function_list_t idct;
function_list_t aout;
function_list_t vout;
- function_list_t yuv;
+ function_list_t chroma;
function_list_t imdct;
function_list_t downmix;
+ function_list_t memcpy;
} module_functions_t;
void * p_change; /* Function to call when commiting a change */
} module_config_t;
-/*****************************************************************************
- * Bank and module description structures
- *****************************************************************************/
-
-/* The module description structure */
-typedef struct module_s
-{
- boolean_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 ) ( struct module_s * );
-
- } builtin;
-
- } is;
-
- char * psz_name; /* Module _unique_ name */
- char * psz_longname; /* Module descriptive name */
- char * psz_version; /* Module version */
-
- 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_config_t * p_config; /* Module configuration structure table */
-
- u32 i_capabilities; /* Capability list */
- p_module_functions_t p_functions; /* Capability functions */
-
-} module_t;
-
/*****************************************************************************
* Exported functions.
*****************************************************************************/
+#ifndef PLUGIN
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 );
+module_t * module_Need ( int, char *, probedata_t * );
void module_Unneed ( module_t * p_module );
+int module_NeedMemcpy( memcpy_module_t * );
+void module_UnneedMemcpy( memcpy_module_t * );
+
+#else
+# define module_Need p_symbols->module_Need
+# define module_Unneed p_symbols->module_Unneed
+#endif
+
projects / vlc / blobdiff