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77 lines
2.3 KiB
C
77 lines
2.3 KiB
C
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/* Gnome-Streamer
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* Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#ifndef __GST_TYPE_H__
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#define __GST_TYPE_H__
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#include <gst/gstbuffer.h>
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#include <gst/gstelement.h>
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/* type of function used to check a stream for equality with type */
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typedef gboolean (*GstTypeFindFunc) (GstBuffer *buf,gpointer *private);
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typedef struct _GstType GstType;
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typedef struct _GstTypeFactory GstTypeFactory;
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struct _GstType {
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guint16 id; /* type id (assigned) */
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gchar *mime; /* MIME type */
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gchar *exts; /* space-delimited list of extensions */
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GstTypeFindFunc typefindfunc; /* typefind function */
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GList *srcs; /* list of src objects for this type */
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GList *sinks; /* list of sink objects for type */
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};
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struct _GstTypeFactory {
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gchar *mime;
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gchar *exts;
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GstTypeFindFunc typefindfunc;
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};
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/* initialize the subsystem */
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void gst_type_initialize();
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/* create a new type, or find/merge an existing one */
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guint16 gst_type_register(GstTypeFactory *factory);
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/* look up a type by mime or extension */
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guint16 gst_type_find_by_mime(gchar *mime);
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guint16 gst_type_find_by_ext(gchar *ext);
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/* add src or sink object */
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void gst_type_add_src(guint16 id,GstElementFactory *src);
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void gst_type_add_sink(guint16 id,GstElementFactory *sink);
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/* get list of src or sink objects */
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GList *gst_type_get_srcs(guint16 id);
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GList *gst_type_get_sinks(guint16 id);
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/* get GstType by id */
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GstType *gst_type_find_by_id(guint16 id);
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/* get the list of registered types (returns list of GstType!) */
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GList *gst_type_get_list();
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#endif /* __GST_TYPE_H__ */
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