/* GStreamer * Copyright (C) 1999,2000 Erik Walthinsen * 2000 Wim Taymans * * gstpad.h: Header for GstPad object * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Library General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This library 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 GNU * Library General Public License for more details. * * You should have received a copy of the GNU Library General Public * License along with this library; if not, write to the * Free Software Foundation, Inc., 59 Temple Place - Suite 330, * Boston, MA 02111-1307, USA. */ #ifndef __GST_PAD_H__ #define __GST_PAD_H__ #include #include #include #include #include #include #include G_BEGIN_DECLS extern GType _gst_pad_type; extern GType _gst_real_pad_type; extern GType _gst_ghost_pad_type; /* * Pad base class */ #define GST_TYPE_PAD (_gst_pad_type) #define GST_IS_PAD(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_PAD)) #define GST_IS_PAD_FAST(obj) (G_OBJECT_TYPE(obj) == GST_TYPE_REAL_PAD || \ G_OBJECT_TYPE(obj) == GST_TYPE_GHOST_PAD) #define GST_IS_PAD_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_PAD)) #define GST_PAD(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_PAD, GstPad)) #define GST_PAD_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_PAD, GstPadClass)) /* * Real Pads */ #define GST_TYPE_REAL_PAD (_gst_real_pad_type) #define GST_IS_REAL_PAD(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_REAL_PAD)) #define GST_IS_REAL_PAD_FAST(obj) (G_OBJECT_TYPE(obj) == GST_TYPE_REAL_PAD) #define GST_IS_REAL_PAD_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_REAL_PAD)) #define GST_REAL_PAD(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_REAL_PAD, GstRealPad)) #define GST_REAL_PAD_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_REAL_PAD, GstRealPadClass)) /* * Ghost Pads */ #define GST_TYPE_GHOST_PAD (_gst_ghost_pad_type) #define GST_IS_GHOST_PAD(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_GHOST_PAD)) #define GST_IS_GHOST_PAD_FAST(obj) (G_OBJECT_TYPE(obj) == GST_TYPE_GHOST_PAD) #define GST_IS_GHOST_PAD_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_GHOST_PAD)) #define GST_GHOST_PAD(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_GHOST_PAD, GstGhostPad)) #define GST_GHOST_PAD_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_GHOST_PAD, GstGhostPadClass)) /*typedef struct _GstPad GstPad; */ /*typedef struct _GstPadClass GstPadClass;*/ typedef struct _GstRealPad GstRealPad; typedef struct _GstRealPadClass GstRealPadClass; typedef struct _GstGhostPad GstGhostPad; typedef struct _GstGhostPadClass GstGhostPadClass; /*typedef struct _GstPadTemplate GstPadTemplate;*/ /*typedef struct _GstPadTemplateClass GstPadTemplateClass;*/ typedef struct _GstStaticPadTemplate GstStaticPadTemplate; typedef struct _GstPadLink GstPadLink; typedef enum { GST_PAD_LINK_REFUSED = -1, GST_PAD_LINK_DELAYED = 0, GST_PAD_LINK_OK = 1, GST_PAD_LINK_DONE = 2 } GstPadLinkReturn; #define GST_PAD_LINK_FAILED(ret) (ret < GST_PAD_LINK_OK) #define GST_PAD_LINK_SUCCESSFUL(ret) (ret >= GST_PAD_LINK_OK) /* convenience functions */ #ifndef GST_DISABLE_DEPRECATED #ifdef G_HAVE_ISO_VARARGS #define GST_PAD_QUERY_TYPE_FUNCTION(functionname, ...) GST_QUERY_TYPE_FUNCTION (GstPad *, functionname, __VA_ARGS__); #define GST_PAD_FORMATS_FUNCTION(functionname, ...) GST_FORMATS_FUNCTION (GstPad *, functionname, __VA_ARGS__); #define GST_PAD_EVENT_MASK_FUNCTION(functionname, ...) GST_EVENT_MASK_FUNCTION (GstPad *, functionname, __VA_ARGS__); #elif defined(G_HAVE_GNUC_VARARGS) #define GST_PAD_QUERY_TYPE_FUNCTION(functionname, a...) GST_QUERY_TYPE_FUNCTION (GstPad *, functionname, a); #define GST_PAD_FORMATS_FUNCTION(functionname, a...) GST_FORMATS_FUNCTION (GstPad *, functionname, a); #define GST_PAD_EVENT_MASK_FUNCTION(functionname, a...) GST_EVENT_MASK_FUNCTION (GstPad *, functionname, a); #endif #endif /* this defines the functions used to chain buffers * pad is the sink pad (so the same chain function can be used for N pads) * buf is the buffer being passed */ typedef void (*GstPadChainFunction) (GstPad *pad,GstData *data); typedef GstData* (*GstPadGetFunction) (GstPad *pad); typedef gboolean (*GstPadEventFunction) (GstPad *pad, GstEvent *event); typedef gboolean (*GstPadConvertFunction) (GstPad *pad, GstFormat src_format, gint64 src_value, GstFormat *dest_format, gint64 *dest_value); typedef gboolean (*GstPadQueryFunction) (GstPad *pad, GstQueryType type, GstFormat *format, gint64 *value); typedef GList* (*GstPadIntLinkFunction) (GstPad *pad); typedef const GstFormat* (*GstPadFormatsFunction) (GstPad *pad); typedef const GstEventMask* (*GstPadEventMaskFunction) (GstPad *pad); typedef const GstQueryType* (*GstPadQueryTypeFunction) (GstPad *pad); typedef GstPadLinkReturn (*GstPadLinkFunction) (GstPad *pad, const GstCaps *caps); typedef void (*GstPadUnlinkFunction) (GstPad *pad); typedef GstCaps* (*GstPadGetCapsFunction) (GstPad *pad); typedef GstCaps* (*GstPadFixateFunction) (GstPad *pad, const GstCaps *caps); typedef GstBuffer* (*GstPadBufferAllocFunction) (GstPad *pad, guint64 offset, guint size); typedef gboolean (*GstPadDispatcherFunction) (GstPad *pad, gpointer data); typedef enum { GST_PAD_UNKNOWN, GST_PAD_SRC, GST_PAD_SINK } GstPadDirection; typedef enum { GST_PAD_DISABLED = GST_OBJECT_FLAG_LAST, GST_PAD_NEGOTIATING, GST_PAD_FLAG_LAST = GST_OBJECT_FLAG_LAST + 4 } GstPadFlags; struct _GstPad { GstObject object; gpointer element_private; GstPadTemplate *padtemplate; /* the template for this pad */ gpointer _gst_reserved[GST_PADDING]; }; struct _GstPadClass { GstObjectClass parent_class; gpointer _gst_reserved[GST_PADDING]; }; struct _GstRealPad { GstPad pad; /* the pad capabilities */ GstCaps *caps; GstPadFixateFunction appfixatefunc; GstCaps *appfilter; GstPadGetCapsFunction getcapsfunc; GstPadFixateFunction fixatefunc; GstPadDirection direction; GstPadLinkFunction linkfunc; GstPadUnlinkFunction unlinkfunc; GstRealPad *peer; gpointer sched_private; /* data transport functions */ GstPadChainFunction chainfunc; GstPadChainFunction chainhandler; GstPadGetFunction getfunc; GstPadGetFunction gethandler; GstPadEventFunction eventfunc; GstPadEventFunction eventhandler; GstPadEventMaskFunction eventmaskfunc; GList *ghostpads; /* query/convert/formats functions */ GstPadConvertFunction convertfunc; GstPadQueryFunction queryfunc; GstPadFormatsFunction formatsfunc; GstPadQueryTypeFunction querytypefunc; GstPadIntLinkFunction intlinkfunc; GstPadBufferAllocFunction bufferallocfunc; GstProbeDispatcher probedisp; GstPadLink *link; GstCaps *explicit_caps; gpointer _gst_reserved[GST_PADDING]; }; struct _GstRealPadClass { GstPadClass parent_class; /* signal callbacks */ void (*caps_nego_failed) (GstPad *pad, GstCaps *caps); void (*linked) (GstPad *pad, GstPad *peer); void (*unlinked) (GstPad *pad, GstPad *peer); GstPadFixateFunction appfixatefunc; gpointer _gst_reserved[GST_PADDING]; }; struct _GstGhostPad { GstPad pad; GstRealPad *realpad; gpointer _gst_reserved[GST_PADDING]; }; struct _GstGhostPadClass { GstPadClass parent_class; gpointer _gst_reserved[GST_PADDING]; }; /***** helper macros *****/ /* GstPad */ #define GST_PAD_NAME(pad) (GST_OBJECT_NAME(pad)) #define GST_PAD_PARENT(pad) ((GstElement *)(GST_OBJECT_PARENT(pad))) #define GST_PAD_ELEMENT_PRIVATE(pad) (((GstPad *)(pad))->element_private) #define GST_PAD_PAD_TEMPLATE(pad) (((GstPad *)(pad))->padtemplate) /* GstRealPad */ #define GST_RPAD_DIRECTION(pad) (((GstRealPad *)(pad))->direction) #define GST_RPAD_CAPS(pad) (((GstRealPad *)(pad))->caps) #define GST_RPAD_APPFILTER(pad) (((GstRealPad *)(pad))->appfilter) #define GST_RPAD_PEER(pad) (((GstRealPad *)(pad))->peer) #define GST_RPAD_CHAINFUNC(pad) (((GstRealPad *)(pad))->chainfunc) #define GST_RPAD_CHAINHANDLER(pad) (((GstRealPad *)(pad))->chainhandler) #define GST_RPAD_GETFUNC(pad) (((GstRealPad *)(pad))->getfunc) #define GST_RPAD_GETHANDLER(pad) (((GstRealPad *)(pad))->gethandler) #define GST_RPAD_EVENTFUNC(pad) (((GstRealPad *)(pad))->eventfunc) #define GST_RPAD_EVENTHANDLER(pad) (((GstRealPad *)(pad))->eventhandler) #define GST_RPAD_CONVERTFUNC(pad) (((GstRealPad *)(pad))->convertfunc) #define GST_RPAD_QUERYFUNC(pad) (((GstRealPad *)(pad))->queryfunc) #define GST_RPAD_INTLINKFUNC(pad) (((GstRealPad *)(pad))->intlinkfunc) #define GST_RPAD_FORMATSFUNC(pad) (((GstRealPad *)(pad))->formatsfunc) #define GST_RPAD_QUERYTYPEFUNC(pad) (((GstRealPad *)(pad))->querytypefunc) #define GST_RPAD_EVENTMASKFUNC(pad) (((GstRealPad *)(pad))->eventmaskfunc) #define GST_RPAD_LINKFUNC(pad) (((GstRealPad *)(pad))->linkfunc) #define GST_RPAD_UNLINKFUNC(pad) (((GstRealPad *)(pad))->unlinkfunc) #define GST_RPAD_GETCAPSFUNC(pad) (((GstRealPad *)(pad))->getcapsfunc) #define GST_RPAD_FIXATEFUNC(pad) (((GstRealPad *)(pad))->fixatefunc) #define GST_RPAD_BUFFERALLOCFUNC(pad) (((GstRealPad *)(pad))->bufferallocfunc) #define GST_RPAD_LINK(pad) (((GstRealPad *)(pad))->link) #define GST_RPAD_EXPLICIT_CAPS(pad) (((GstRealPad *)(pad))->explicit_caps) /* GstGhostPad */ #define GST_GPAD_REALPAD(pad) (((GstGhostPad *)(pad))->realpad) /* Generic */ #define GST_PAD_REALIZE(pad) (GST_IS_REAL_PAD(pad) ? ((GstRealPad *)(pad)) : GST_GPAD_REALPAD(pad)) #define GST_PAD_DIRECTION(pad) GST_RPAD_DIRECTION(GST_PAD_REALIZE(pad)) #define GST_PAD_CAPS(pad) (gst_pad_get_negotiated_caps(GST_PAD (pad))) #define GST_PAD_PEER(pad) GST_PAD(GST_RPAD_PEER(GST_PAD_REALIZE(pad))) /* Some check functions (unused?) */ #define GST_PAD_IS_LINKED(pad) (GST_PAD_PEER(pad) != NULL) #define GST_PAD_IS_ACTIVE(pad) (!GST_FLAG_IS_SET(GST_PAD_REALIZE(pad), GST_PAD_DISABLED)) #define GST_PAD_IS_NEGOTIATING(pad) (GST_FLAG_IS_SET (pad, GST_PAD_NEGOTIATING)) #define GST_PAD_IS_USABLE(pad) (GST_PAD_IS_LINKED (pad) && \ GST_PAD_IS_ACTIVE(pad) && GST_PAD_IS_ACTIVE(GST_PAD_PEER (pad))) #define GST_PAD_CAN_PULL(pad) (GST_IS_REAL_PAD(pad) && GST_REAL_PAD(pad)->gethandler != NULL) #define GST_PAD_IS_SRC(pad) (GST_PAD_DIRECTION(pad) == GST_PAD_SRC) #define GST_PAD_IS_SINK(pad) (GST_PAD_DIRECTION(pad) == GST_PAD_SINK) /***** PadTemplate *****/ #define GST_TYPE_PAD_TEMPLATE (gst_pad_template_get_type ()) #define GST_PAD_TEMPLATE(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_PAD_TEMPLATE,GstPadTemplate)) #define GST_PAD_TEMPLATE_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_PAD_TEMPLATE,GstPadTemplateClass)) #define GST_IS_PAD_TEMPLATE(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_PAD_TEMPLATE)) #define GST_IS_PAD_TEMPLATE_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_PAD_TEMPLATE)) typedef enum { GST_PAD_ALWAYS, GST_PAD_SOMETIMES, GST_PAD_REQUEST } GstPadPresence; #define GST_PAD_TEMPLATE_NAME_TEMPLATE(templ) (((GstPadTemplate *)(templ))->name_template) #define GST_PAD_TEMPLATE_DIRECTION(templ) (((GstPadTemplate *)(templ))->direction) #define GST_PAD_TEMPLATE_PRESENCE(templ) (((GstPadTemplate *)(templ))->presence) #define GST_PAD_TEMPLATE_CAPS(templ) (((GstPadTemplate *)(templ))->caps) typedef enum { GST_PAD_TEMPLATE_FIXED = GST_OBJECT_FLAG_LAST, GST_PAD_TEMPLATE_FLAG_LAST = GST_OBJECT_FLAG_LAST + 4 } GstPadTemplateFlags; #define GST_PAD_TEMPLATE_IS_FIXED(templ) (GST_FLAG_IS_SET(templ, GST_PAD_TEMPLATE_FIXED)) struct _GstPadTemplate { GstObject object; gchar *name_template; GstPadDirection direction; GstPadPresence presence; GstCaps *caps; gpointer _gst_reserved[GST_PADDING]; }; struct _GstPadTemplateClass { GstObjectClass parent_class; /* signal callbacks */ void (*pad_created) (GstPadTemplate *templ, GstPad *pad); gpointer _gst_reserved[GST_PADDING]; }; struct _GstStaticPadTemplate { gchar *name_template; GstPadDirection direction; GstPadPresence presence; GstStaticCaps static_caps; }; #define GST_STATIC_PAD_TEMPLATE(padname, dir, pres, caps) \ { \ /* name_template */ padname, \ /* direction */ dir, \ /* presence */ pres, \ /* caps */ caps \ } GType gst_pad_get_type (void); GType gst_real_pad_get_type (void); GType gst_ghost_pad_get_type (void); /* creating pads */ GstPad* gst_pad_new (const gchar *name, GstPadDirection direction); GstPad* gst_pad_new_from_template (GstPadTemplate *templ, const gchar *name); GstPad* gst_pad_custom_new (GType type, const gchar *name, GstPadDirection direction); GstPad* gst_pad_custom_new_from_template (GType type, GstPadTemplate *templ, const gchar *name); void gst_pad_set_name (GstPad *pad, const gchar *name); G_CONST_RETURN gchar* gst_pad_get_name (GstPad *pad); GstPadDirection gst_pad_get_direction (GstPad *pad); void gst_pad_set_active (GstPad *pad, gboolean active); gboolean gst_pad_is_active (GstPad *pad); void gst_pad_set_element_private (GstPad *pad, gpointer priv); gpointer gst_pad_get_element_private (GstPad *pad); void gst_pad_set_parent (GstPad *pad, GstElement *parent); GstElement* gst_pad_get_parent (GstPad *pad); GstElement* gst_pad_get_real_parent (GstPad *pad); GstScheduler* gst_pad_get_scheduler (GstPad *pad); void gst_pad_add_ghost_pad (GstPad *pad, GstPad *ghostpad); void gst_pad_remove_ghost_pad (GstPad *pad, GstPad *ghostpad); GList* gst_pad_get_ghost_pad_list (GstPad *pad); GstPadTemplate* gst_pad_get_pad_template (GstPad *pad); void gst_pad_set_bufferalloc_function (GstPad *pad, GstPadBufferAllocFunction bufalloc); GstBuffer* gst_pad_alloc_buffer (GstPad *pad, guint64 offset, gint size); /* data passing setup functions */ void gst_pad_set_chain_function (GstPad *pad, GstPadChainFunction chain); void gst_pad_set_get_function (GstPad *pad, GstPadGetFunction get); void gst_pad_set_event_function (GstPad *pad, GstPadEventFunction event); void gst_pad_set_event_mask_function (GstPad *pad, GstPadEventMaskFunction mask_func); G_CONST_RETURN GstEventMask* gst_pad_get_event_masks (GstPad *pad); G_CONST_RETURN GstEventMask* gst_pad_get_event_masks_default (GstPad *pad); /* pad links */ void gst_pad_set_link_function (GstPad *pad, GstPadLinkFunction link); gboolean gst_pad_can_link (GstPad *srcpad, GstPad *sinkpad); gboolean gst_pad_can_link_filtered (GstPad *srcpad, GstPad *sinkpad, const GstCaps *filtercaps); void gst_pad_set_unlink_function (GstPad *pad, GstPadUnlinkFunction unlink); gboolean gst_pad_link (GstPad *srcpad, GstPad *sinkpad); gboolean gst_pad_link_filtered (GstPad *srcpad, GstPad *sinkpad, const GstCaps *filtercaps); void gst_pad_unlink (GstPad *srcpad, GstPad *sinkpad); gboolean gst_pad_is_linked (GstPad *pad); GstPad* gst_pad_get_peer (GstPad *pad); /* capsnego functions */ G_CONST_RETURN GstCaps* gst_pad_get_negotiated_caps (GstPad *pad); gboolean gst_pad_is_negotiated (GstPad *pad); GstCaps* gst_pad_get_caps (GstPad *pad); G_CONST_RETURN GstCaps* gst_pad_get_pad_template_caps (GstPad *pad); GstPadLinkReturn gst_pad_try_set_caps (GstPad *pad, const GstCaps *caps); GstPadLinkReturn gst_pad_try_set_caps_nonfixed (GstPad *pad, const GstCaps *caps); gboolean gst_pad_check_compatibility (GstPad *srcpad, GstPad *sinkpad); void gst_pad_set_getcaps_function (GstPad *pad, GstPadGetCapsFunction getcaps); void gst_pad_set_fixate_function (GstPad *pad, GstPadFixateFunction fixate); GstCaps * gst_pad_proxy_getcaps (GstPad *pad); GstPadLinkReturn gst_pad_proxy_pad_link (GstPad *pad, const GstCaps *caps); GstCaps * gst_pad_proxy_fixate (GstPad *pad, const GstCaps *caps); #ifndef GST_DISABLE_DEPRECATED GstPadLinkReturn gst_pad_proxy_link (GstPad *pad, const GstCaps *caps); #endif gboolean gst_pad_set_explicit_caps (GstPad *pad, const GstCaps *caps); void gst_pad_use_explicit_caps (GstPad *pad); gboolean gst_pad_relink_filtered (GstPad *srcpad, GstPad *sinkpad, const GstCaps *filtercaps); #ifndef GST_DISABLE_DEPRECATED gboolean gst_pad_perform_negotiate (GstPad *srcpad, GstPad *sinkpad); #endif GstPadLinkReturn gst_pad_renegotiate (GstPad *pad); void gst_pad_unnegotiate (GstPad *pad); gboolean gst_pad_try_relink_filtered (GstPad *srcpad, GstPad *sinkpad, const GstCaps *filtercaps); GstCaps* gst_pad_get_allowed_caps (GstPad *pad); void gst_pad_caps_change_notify (GstPad *pad); gboolean gst_pad_recover_caps_error (GstPad *pad, const GstCaps *allowed); /* data passing functions */ void gst_pad_push (GstPad *pad, GstData *data); GstData* gst_pad_pull (GstPad *pad); gboolean gst_pad_send_event (GstPad *pad, GstEvent *event); gboolean gst_pad_event_default (GstPad *pad, GstEvent *event); #ifndef GST_DISABLE_DEPRECATED GstPad* gst_pad_selectv (GList *padlist); GstPad* gst_pad_select (GstPad *pad, ...); GstPad* gst_pad_select_valist (GstPad *pad, va_list varargs); #endif /* FIXME 0.9: rename to _select? Otherwise rename SchedulerClass pointer */ GstData * gst_pad_collectv (GstPad **selected, const GList *padlist); GstData * gst_pad_collect (GstPad **selected, GstPad *pad, ...); GstData * gst_pad_collect_valist (GstPad **selected, GstPad *pad, va_list varargs); /* convert/query/format functions */ void gst_pad_set_formats_function (GstPad *pad, GstPadFormatsFunction formats); G_CONST_RETURN GstFormat* gst_pad_get_formats (GstPad *pad); G_CONST_RETURN GstFormat* gst_pad_get_formats_default (GstPad *pad); void gst_pad_set_convert_function (GstPad *pad, GstPadConvertFunction convert); gboolean gst_pad_convert (GstPad *pad, GstFormat src_format, gint64 src_value, GstFormat *dest_format, gint64 *dest_value); gboolean gst_pad_convert_default (GstPad *pad, GstFormat src_format, gint64 src_value, GstFormat *dest_format, gint64 *dest_value); void gst_pad_set_query_function (GstPad *pad, GstPadQueryFunction query); void gst_pad_set_query_type_function (GstPad *pad, GstPadQueryTypeFunction type_func); G_CONST_RETURN GstQueryType* gst_pad_get_query_types (GstPad *pad); G_CONST_RETURN GstQueryType* gst_pad_get_query_types_default (GstPad *pad); gboolean gst_pad_query (GstPad *pad, GstQueryType type, GstFormat *format, gint64 *value); gboolean gst_pad_query_default (GstPad *pad, GstQueryType type, GstFormat *format, gint64 *value); void gst_pad_set_internal_link_function (GstPad *pad, GstPadIntLinkFunction intlink); GList* gst_pad_get_internal_links (GstPad *pad); GList* gst_pad_get_internal_links_default (GstPad *pad); /* misc helper functions */ gboolean gst_pad_dispatcher (GstPad *pad, GstPadDispatcherFunction dispatch, gpointer data); #define gst_pad_add_probe(pad, probe) \ (gst_probe_dispatcher_add_probe (&(GST_REAL_PAD (pad)->probedisp), probe)) #define gst_pad_remove_probe(pad, probe) \ (gst_probe_dispatcher_remove_probe (&(GST_REAL_PAD (pad)->probedisp), probe)) #ifndef GST_DISABLE_LOADSAVE void gst_pad_load_and_link (xmlNodePtr self, GstObject *parent); #endif /* ghostpads */ GstPad* gst_ghost_pad_new (const gchar *name, GstPad *pad); /* templates and factories */ GType gst_pad_template_get_type (void); GstPadTemplate* gst_pad_template_new (const gchar *name_template, GstPadDirection direction, GstPadPresence presence, GstCaps *caps); GstPadTemplate * gst_static_pad_template_get (GstStaticPadTemplate *pad_template); const GstCaps* gst_pad_template_get_caps (GstPadTemplate *templ); const GstCaps* gst_pad_template_get_caps_by_name (GstPadTemplate *templ, const gchar *name); #ifndef GST_DISABLE_LOADSAVE xmlNodePtr gst_ghost_pad_save_thyself (GstPad *pad, xmlNodePtr parent); #endif /* for schedulers only */ void gst_pad_call_chain_function (GstPad *pad, GstData *data); GstData * gst_pad_call_get_function (GstPad *pad); G_END_DECLS #endif /* __GST_PAD_H__ */