gstreamer/gst/gstfilter.c
David Schleef 209c82ee06 docs/gst/gstreamer-sections.txt: More doc hacking.
Original commit message from CVS:
* docs/gst/gstreamer-sections.txt:  More doc hacking.
* docs/gst/tmpl/gstaggregator.sgml:
* docs/gst/tmpl/gstautoplugfactory.sgml:
* docs/gst/tmpl/gstbin.sgml:
* docs/gst/tmpl/gstbuffer.sgml:
* docs/gst/tmpl/gstbufferstore.sgml:
* docs/gst/tmpl/gstfakesink.sgml:
* docs/gst/tmpl/gstfakesrc.sgml:
* docs/gst/tmpl/gstmd5sink.sgml:
* docs/gst/tmpl/gstreamer-unused.sgml:
* docs/gst/tmpl/gstsearchfuncs.sgml:
* docs/gst/tmpl/gstshaper.sgml:
* docs/gst/tmpl/gstspider.sgml:
* docs/gst/tmpl/gsttee.sgml:
* docs/gst/tmpl/gstutils.sgml:
* docs/gst/tmpl/gstvalue.sgml:
* docs/gst/tmpl/gstxml.sgml:
* gst/Makefile.am:  Remove gstthreaddummy.c.  It never worked,
and we don't support it.
* gst/gst.c: (gst_init_get_popt_table), (init_pre), (init_post),
(gst_use_threads), (gst_has_threads): same
* gst/gstthreaddummy.c: same
* gst/autoplug/gstspider.c: Make gst_spider_details static.
* gst/autoplug/gstspider.h: same
* gst/elements/gstaggregator.h: Remove bogus function from header
* gst/elements/gstfakesink.h: same
* gst/elements/gstfakesrc.h: same
* gst/elements/gstmd5sink.h: same
* gst/elements/gstshaper.h: same
* gst/elements/gsttee.h: same
* gst/gstbin.c: doc fixes
* gst/gstbin.h: Remove unused definition.
* gst/gstbuffer.c: doc fixes
* gst/gstcaps.c: (gst_caps_is_always_compatible): doc fixes
* gst/gstfilter.c: doc fixes
* gst/gsttag.c: doc fixes
* gst/gstvalue.c: doc fixes
2004-03-26 03:46:16 +00:00

61 lines
1.7 KiB
C

/* GStreamer
* Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
*
* 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.
*/
#include <gst/gstfilter.h>
/**
* gst_filter_run:
* @list: a linked list
* @func: the function to execute for each item
* @first: flag to stop execution after a successful item
* @user_data: user data
*
* Iterates over the elements in @list, calling @func with the
* list item data for each item. If @func returns TRUE, @data is
* prepended to the list of results returned. If @first is true,
* the search is halted after the first result is found.
*
* Returns: the list of results
*/
GList *
gst_filter_run (const GList * list, GstFilterFunc func, gboolean first,
gpointer user_data)
{
const GList *walk = list;
GList *result = NULL;
while (walk) {
gboolean res = TRUE;
gpointer data = walk->data;
walk = g_list_next (walk);
if (func)
res = func (data, user_data);
if (res) {
result = g_list_prepend (result, data);
if (first)
break;
}
}
return result;
}