2008-05-24 20:35:43 +00:00
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/*
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* filter graph parser
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* copyright (c) 2008 Vitor Sessak
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* copyright (c) 2007 Bobby Bingham
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*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg 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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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include <ctype.h>
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#include <string.h>
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2010-09-27 16:23:43 +00:00
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#include "libavutil/avstring.h"
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2008-05-24 20:35:43 +00:00
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#include "avfilter.h"
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#include "avfiltergraph.h"
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2009-04-21 19:08:49 +00:00
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#define WHITESPACES " \n\t"
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2010-07-22 09:56:06 +00:00
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/**
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* Link two filters together.
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*
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* @see avfilter_link()
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*/
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2008-05-24 20:38:25 +00:00
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static int link_filter(AVFilterContext *src, int srcpad,
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2008-05-24 20:40:22 +00:00
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AVFilterContext *dst, int dstpad,
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AVClass *log_ctx)
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2008-05-24 20:35:43 +00:00
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{
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2010-07-22 09:55:57 +00:00
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int ret;
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if ((ret = avfilter_link(src, srcpad, dst, dstpad))) {
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2008-05-24 20:40:22 +00:00
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av_log(log_ctx, AV_LOG_ERROR,
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2010-07-22 09:56:00 +00:00
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"Cannot create the link %s:%d -> %s:%d\n",
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2008-05-24 20:38:25 +00:00
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src->filter->name, srcpad, dst->filter->name, dstpad);
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2010-07-22 09:55:57 +00:00
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return ret;
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2008-05-24 20:35:43 +00:00
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}
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return 0;
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}
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/**
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2010-07-22 09:56:03 +00:00
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* Parse the name of a link, which has the format "[linkname]".
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*
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* @return a pointer (that need to be freed after use) to the name
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* between parenthesis
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2008-05-24 20:35:43 +00:00
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*/
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2008-05-24 20:41:42 +00:00
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static char *parse_link_name(const char **buf, AVClass *log_ctx)
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2008-05-24 20:35:43 +00:00
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{
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2008-05-24 20:39:42 +00:00
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const char *start = *buf;
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2008-05-24 20:41:42 +00:00
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char *name;
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2008-05-24 20:35:43 +00:00
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(*buf)++;
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2009-05-01 18:17:59 +00:00
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name = av_get_token(buf, "]");
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2008-05-24 20:35:43 +00:00
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2010-07-22 09:49:15 +00:00
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if (!name[0]) {
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2008-05-24 20:40:22 +00:00
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av_log(log_ctx, AV_LOG_ERROR,
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2008-05-24 20:39:42 +00:00
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"Bad (empty?) label found in the following: \"%s\".\n", start);
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2008-05-24 20:35:43 +00:00
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goto fail;
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2008-05-24 20:39:42 +00:00
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}
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2008-05-24 20:35:43 +00:00
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2010-07-22 09:49:15 +00:00
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if (*(*buf)++ != ']') {
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2008-05-24 20:40:22 +00:00
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av_log(log_ctx, AV_LOG_ERROR,
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2008-05-24 20:39:42 +00:00
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"Mismatched '[' found in the following: \"%s\".\n", start);
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2008-05-24 20:40:10 +00:00
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fail:
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2008-05-24 20:41:42 +00:00
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av_freep(&name);
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2008-05-24 20:39:42 +00:00
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}
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2008-05-24 20:41:42 +00:00
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return name;
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2008-05-24 20:35:43 +00:00
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}
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2010-07-22 09:56:09 +00:00
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/**
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* Create an instance of a filter, initialize and insert it in the
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* filtergraph in *ctx.
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*
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* @param ctx the filtergraph context
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2010-11-07 18:39:52 +00:00
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* @param put here a filter context in case of successful creation and configuration, NULL otherwise.
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2010-07-22 09:56:09 +00:00
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* @param index an index which is supposed to be unique for each filter instance added to the filtergraph
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* @param filt_name the name of the filter to create
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* @param args the arguments provided to the filter during its initialization
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* @param log_ctx the log context to use
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2010-11-07 18:39:52 +00:00
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* @return 0 in case of success, a negative AVERROR code otherwise
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2010-07-22 09:56:09 +00:00
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*/
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2010-11-07 18:39:52 +00:00
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static int create_filter(AVFilterContext **filt_ctx, AVFilterGraph *ctx, int index,
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const char *filt_name, const char *args, AVClass *log_ctx)
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2008-05-24 20:41:34 +00:00
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{
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2008-12-26 10:54:16 +00:00
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AVFilter *filt;
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2008-05-24 20:41:34 +00:00
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char inst_name[30];
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2010-07-03 03:12:29 +00:00
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char tmp_args[256];
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2010-11-07 18:39:52 +00:00
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int ret;
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2008-05-24 20:41:34 +00:00
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2010-05-16 18:13:55 +00:00
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snprintf(inst_name, sizeof(inst_name), "Filter %d %s", index, filt_name);
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2008-05-24 20:41:34 +00:00
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2008-12-26 10:54:16 +00:00
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filt = avfilter_get_by_name(filt_name);
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2008-05-24 20:41:48 +00:00
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2010-07-22 09:49:15 +00:00
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if (!filt) {
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2008-05-24 20:41:34 +00:00
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av_log(log_ctx, AV_LOG_ERROR,
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2010-07-22 09:56:00 +00:00
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"No such filter: '%s'\n", filt_name);
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2010-11-07 18:39:52 +00:00
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return AVERROR(EINVAL);
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2008-05-24 20:41:34 +00:00
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}
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2010-11-07 18:39:52 +00:00
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ret = avfilter_open(filt_ctx, filt, inst_name);
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if (!*filt_ctx) {
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2008-05-24 20:41:34 +00:00
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av_log(log_ctx, AV_LOG_ERROR,
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2010-07-22 09:56:00 +00:00
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"Error creating filter '%s'\n", filt_name);
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2010-11-07 18:39:52 +00:00
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return ret;
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2008-05-24 20:41:34 +00:00
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}
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2010-11-07 18:39:52 +00:00
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if ((ret = avfilter_graph_add_filter(ctx, *filt_ctx)) < 0) {
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2010-11-08 12:32:39 +00:00
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avfilter_free(*filt_ctx);
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2010-11-07 18:39:52 +00:00
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return ret;
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2008-05-24 20:42:26 +00:00
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}
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2008-05-24 20:41:34 +00:00
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2010-07-03 03:12:29 +00:00
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if (!strcmp(filt_name, "scale") && !strstr(args, "flags")) {
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snprintf(tmp_args, sizeof(tmp_args), "%s:%s",
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args, ctx->scale_sws_opts);
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args = tmp_args;
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}
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2010-11-07 18:39:52 +00:00
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if ((ret = avfilter_init_filter(*filt_ctx, args, NULL)) < 0) {
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2008-05-24 20:41:34 +00:00
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av_log(log_ctx, AV_LOG_ERROR,
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2010-07-22 09:56:00 +00:00
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"Error initializing filter '%s' with args '%s'\n", filt_name, args);
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2010-11-07 18:39:52 +00:00
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return ret;
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2008-05-24 20:41:34 +00:00
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}
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2010-11-07 18:39:52 +00:00
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return 0;
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2008-05-24 20:41:34 +00:00
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}
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2008-05-24 20:41:38 +00:00
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/**
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2010-11-07 22:47:33 +00:00
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* Parse a string of the form FILTER_NAME[=PARAMS], and create a
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* corresponding filter instance which is added to graph with
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* create_filter().
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*
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* @param filt_ctx put here a pointer to the created filter context on
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* success, NULL otherwise
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* @param buf pointer to the buffer to parse, *buf will be updated to
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* point to the char next after the parsed string
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* @param index an index which is assigned to the created filter
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* instance, and which is supposed to be unique for each filter
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* instance added to the filtergraph
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* @return 0 in case of success, a negative AVERROR code otherwise
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2008-05-24 20:41:38 +00:00
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*/
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2010-11-07 18:39:54 +00:00
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static int parse_filter(AVFilterContext **filt_ctx, const char **buf, AVFilterGraph *graph,
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int index, AVClass *log_ctx)
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2008-05-24 20:41:38 +00:00
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{
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2008-05-24 20:41:54 +00:00
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char *opts = NULL;
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2009-12-11 20:02:10 +00:00
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char *name = av_get_token(buf, "=,;[\n");
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2010-11-07 18:39:52 +00:00
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int ret;
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2008-05-24 20:41:38 +00:00
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2010-07-22 09:49:15 +00:00
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if (**buf == '=') {
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2008-05-24 20:41:38 +00:00
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(*buf)++;
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2009-12-11 20:02:10 +00:00
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opts = av_get_token(buf, "[],;\n");
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2008-05-24 20:41:57 +00:00
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}
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2008-05-24 20:41:38 +00:00
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2010-11-07 18:39:54 +00:00
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ret = create_filter(filt_ctx, graph, index, name, opts, log_ctx);
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2008-05-24 20:42:26 +00:00
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av_free(name);
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av_free(opts);
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2010-11-07 18:39:54 +00:00
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return ret;
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2008-05-24 20:41:38 +00:00
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}
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2008-05-24 20:35:43 +00:00
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static void free_inout(AVFilterInOut *head)
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{
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2010-07-22 09:49:15 +00:00
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while (head) {
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2008-05-24 20:39:34 +00:00
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AVFilterInOut *next = head->next;
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2008-05-24 20:42:26 +00:00
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av_free(head->name);
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2008-05-24 20:35:43 +00:00
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av_free(head);
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head = next;
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}
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}
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2008-05-24 20:40:40 +00:00
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static AVFilterInOut *extract_inout(const char *label, AVFilterInOut **links)
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{
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AVFilterInOut *ret;
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2010-07-22 09:49:15 +00:00
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while (*links && strcmp((*links)->name, label))
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2008-05-24 20:41:11 +00:00
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links = &((*links)->next);
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2008-05-24 20:40:40 +00:00
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2008-05-24 20:41:11 +00:00
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ret = *links;
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2008-05-24 20:40:40 +00:00
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2010-07-22 09:49:15 +00:00
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if (ret)
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2008-05-24 20:41:11 +00:00
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*links = ret->next;
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2008-05-24 20:40:40 +00:00
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return ret;
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}
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2008-05-24 20:42:09 +00:00
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static void insert_inout(AVFilterInOut **inouts, AVFilterInOut *element)
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{
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element->next = *inouts;
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*inouts = element;
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}
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2008-05-24 20:40:40 +00:00
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2010-11-07 18:40:01 +00:00
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static int link_filter_inouts(AVFilterContext *filt_ctx,
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2008-12-27 09:31:05 +00:00
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AVFilterInOut **curr_inputs,
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AVFilterInOut **open_inputs, AVClass *log_ctx)
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2008-05-24 20:40:40 +00:00
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{
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2010-11-07 18:40:01 +00:00
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int pad = filt_ctx->input_count, ret;
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2008-05-24 20:40:40 +00:00
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2010-07-22 09:49:15 +00:00
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while (pad--) {
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2008-12-27 09:31:05 +00:00
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AVFilterInOut *p = *curr_inputs;
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2010-07-22 09:49:15 +00:00
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if (!p) {
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2008-05-24 20:40:40 +00:00
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av_log(log_ctx, AV_LOG_ERROR,
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"Not enough inputs specified for the \"%s\" filter.\n",
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2010-11-07 18:40:01 +00:00
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filt_ctx->filter->name);
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2010-11-07 18:39:58 +00:00
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return AVERROR(EINVAL);
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2008-05-24 20:40:40 +00:00
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}
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2008-12-27 09:31:05 +00:00
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*curr_inputs = (*curr_inputs)->next;
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2008-05-24 20:42:29 +00:00
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2010-11-07 18:40:18 +00:00
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if (p->filter_ctx) {
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if ((ret = link_filter(p->filter_ctx, p->pad_idx, filt_ctx, pad, log_ctx)) < 0)
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2010-11-07 18:39:58 +00:00
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return ret;
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2008-05-24 20:42:26 +00:00
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av_free(p->name);
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2008-05-24 20:40:40 +00:00
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av_free(p);
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} else {
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2010-11-07 18:40:18 +00:00
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p->filter_ctx = filt_ctx;
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2008-05-24 20:40:40 +00:00
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p->pad_idx = pad;
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2008-12-27 09:31:05 +00:00
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insert_inout(open_inputs, p);
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2008-05-24 20:40:40 +00:00
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}
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}
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2010-07-22 09:49:15 +00:00
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if (*curr_inputs) {
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2008-05-24 20:40:40 +00:00
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av_log(log_ctx, AV_LOG_ERROR,
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|
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"Too many inputs specified for the \"%s\" filter.\n",
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2010-11-07 18:40:01 +00:00
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filt_ctx->filter->name);
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2010-11-07 18:39:58 +00:00
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return AVERROR(EINVAL);
|
2008-05-24 20:40:40 +00:00
|
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}
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|
2010-11-07 18:40:01 +00:00
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pad = filt_ctx->output_count;
|
2010-07-22 09:49:15 +00:00
|
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while (pad--) {
|
2008-05-24 20:42:11 +00:00
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AVFilterInOut *currlinkn = av_mallocz(sizeof(AVFilterInOut));
|
2010-11-07 18:40:04 +00:00
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|
if (!currlinkn)
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|
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return AVERROR(ENOMEM);
|
2010-11-07 18:40:18 +00:00
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|
currlinkn->filter_ctx = filt_ctx;
|
2008-05-24 20:40:40 +00:00
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currlinkn->pad_idx = pad;
|
2008-12-27 09:31:05 +00:00
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insert_inout(curr_inputs, currlinkn);
|
2008-05-24 20:40:40 +00:00
|
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}
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return 0;
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}
|
|
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|
2008-12-27 09:31:05 +00:00
|
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static int parse_inputs(const char **buf, AVFilterInOut **curr_inputs,
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AVFilterInOut **open_outputs, AVClass *log_ctx)
|
2008-05-24 20:35:43 +00:00
|
|
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{
|
2008-05-24 20:40:40 +00:00
|
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int pad = 0;
|
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|
|
2010-07-22 09:49:15 +00:00
|
|
|
while (**buf == '[') {
|
2008-05-24 20:41:42 +00:00
|
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char *name = parse_link_name(buf, log_ctx);
|
2008-05-24 20:41:03 +00:00
|
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|
AVFilterInOut *match;
|
2008-05-24 20:39:42 +00:00
|
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|
|
2010-07-22 09:49:15 +00:00
|
|
|
if (!name)
|
2010-11-07 18:40:07 +00:00
|
|
|
return AVERROR(EINVAL);
|
2008-05-24 20:39:42 +00:00
|
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|
|
2008-12-27 09:31:05 +00:00
|
|
|
/* First check if the label is not in the open_outputs list */
|
|
|
|
match = extract_inout(name, open_outputs);
|
2008-05-24 20:40:30 +00:00
|
|
|
|
2010-07-22 09:49:15 +00:00
|
|
|
if (match) {
|
2008-05-24 20:42:32 +00:00
|
|
|
av_free(name);
|
2008-05-24 20:40:58 +00:00
|
|
|
} else {
|
|
|
|
/* Not in the list, so add it as an input */
|
2010-11-07 18:40:09 +00:00
|
|
|
if (!(match = av_mallocz(sizeof(AVFilterInOut))))
|
|
|
|
return AVERROR(ENOMEM);
|
2008-05-24 20:42:16 +00:00
|
|
|
match->name = name;
|
|
|
|
match->pad_idx = pad;
|
2008-05-24 20:40:30 +00:00
|
|
|
}
|
2008-05-24 20:42:09 +00:00
|
|
|
|
2008-12-27 09:31:05 +00:00
|
|
|
insert_inout(curr_inputs, match);
|
2008-05-24 20:42:09 +00:00
|
|
|
|
2009-04-21 19:08:49 +00:00
|
|
|
*buf += strspn(*buf, WHITESPACES);
|
2008-05-24 20:40:40 +00:00
|
|
|
pad++;
|
2008-05-24 20:35:43 +00:00
|
|
|
}
|
2008-05-24 20:40:30 +00:00
|
|
|
|
2008-05-24 20:35:43 +00:00
|
|
|
return pad;
|
|
|
|
}
|
|
|
|
|
2008-12-27 09:31:05 +00:00
|
|
|
static int parse_outputs(const char **buf, AVFilterInOut **curr_inputs,
|
|
|
|
AVFilterInOut **open_inputs,
|
|
|
|
AVFilterInOut **open_outputs, AVClass *log_ctx)
|
2008-05-24 20:38:25 +00:00
|
|
|
{
|
2010-11-07 18:40:12 +00:00
|
|
|
int ret, pad = 0;
|
2008-05-24 20:40:40 +00:00
|
|
|
|
2010-07-22 09:49:15 +00:00
|
|
|
while (**buf == '[') {
|
2008-05-24 20:41:42 +00:00
|
|
|
char *name = parse_link_name(buf, log_ctx);
|
2008-05-24 20:40:40 +00:00
|
|
|
AVFilterInOut *match;
|
|
|
|
|
2008-12-27 09:31:05 +00:00
|
|
|
AVFilterInOut *input = *curr_inputs;
|
2010-11-11 22:41:22 +00:00
|
|
|
if (!input) {
|
|
|
|
av_log(log_ctx, AV_LOG_ERROR,
|
|
|
|
"No output pad can be associated to link label '%s'.\n",
|
|
|
|
name);
|
|
|
|
return AVERROR(EINVAL);
|
|
|
|
}
|
2008-12-27 09:31:05 +00:00
|
|
|
*curr_inputs = (*curr_inputs)->next;
|
2008-05-24 20:41:09 +00:00
|
|
|
|
2010-07-22 09:49:15 +00:00
|
|
|
if (!name)
|
2010-11-07 18:40:12 +00:00
|
|
|
return AVERROR(EINVAL);
|
2008-05-24 20:40:40 +00:00
|
|
|
|
2008-12-27 09:31:05 +00:00
|
|
|
/* First check if the label is not in the open_inputs list */
|
|
|
|
match = extract_inout(name, open_inputs);
|
2008-05-24 20:40:40 +00:00
|
|
|
|
2010-07-22 09:49:15 +00:00
|
|
|
if (match) {
|
2010-11-07 18:40:18 +00:00
|
|
|
if ((ret = link_filter(input->filter_ctx, input->pad_idx,
|
|
|
|
match->filter_ctx, match->pad_idx, log_ctx)) < 0)
|
2010-11-07 18:40:12 +00:00
|
|
|
return ret;
|
2008-05-24 20:42:26 +00:00
|
|
|
av_free(match->name);
|
|
|
|
av_free(name);
|
2008-05-24 20:40:40 +00:00
|
|
|
av_free(match);
|
2008-05-24 20:41:06 +00:00
|
|
|
av_free(input);
|
2008-05-24 20:40:58 +00:00
|
|
|
} else {
|
2008-12-27 09:31:05 +00:00
|
|
|
/* Not in the list, so add the first input as a open_output */
|
2008-05-24 20:41:06 +00:00
|
|
|
input->name = name;
|
2008-12-27 09:31:05 +00:00
|
|
|
insert_inout(open_outputs, input);
|
2008-05-24 20:40:40 +00:00
|
|
|
}
|
2009-04-21 19:08:49 +00:00
|
|
|
*buf += strspn(*buf, WHITESPACES);
|
2008-05-24 20:40:40 +00:00
|
|
|
pad++;
|
2008-05-24 20:40:01 +00:00
|
|
|
}
|
2008-05-24 20:38:25 +00:00
|
|
|
|
2008-05-24 20:40:40 +00:00
|
|
|
return pad;
|
|
|
|
}
|
2008-05-24 20:38:25 +00:00
|
|
|
|
2009-02-26 22:03:55 +00:00
|
|
|
int avfilter_graph_parse(AVFilterGraph *graph, const char *filters,
|
2008-12-27 09:31:05 +00:00
|
|
|
AVFilterInOut *open_inputs,
|
|
|
|
AVFilterInOut *open_outputs, AVClass *log_ctx)
|
2008-05-24 20:35:43 +00:00
|
|
|
{
|
2010-11-07 18:40:14 +00:00
|
|
|
int index = 0, ret;
|
2008-05-24 20:35:43 +00:00
|
|
|
char chr = 0;
|
|
|
|
|
2008-12-27 09:31:05 +00:00
|
|
|
AVFilterInOut *curr_inputs = NULL;
|
2008-05-24 20:35:43 +00:00
|
|
|
|
|
|
|
do {
|
2008-05-24 20:38:25 +00:00
|
|
|
AVFilterContext *filter;
|
2009-04-21 19:08:49 +00:00
|
|
|
filters += strspn(filters, WHITESPACES);
|
2008-05-24 20:35:43 +00:00
|
|
|
|
2010-11-07 18:40:14 +00:00
|
|
|
if ((ret = parse_inputs(&filters, &curr_inputs, &open_outputs, log_ctx)) < 0)
|
2008-05-24 20:35:43 +00:00
|
|
|
goto fail;
|
|
|
|
|
2010-11-07 18:40:14 +00:00
|
|
|
if ((ret = parse_filter(&filter, &filters, graph, index, log_ctx)) < 0)
|
2008-05-24 20:39:42 +00:00
|
|
|
goto fail;
|
|
|
|
|
2010-07-22 09:49:15 +00:00
|
|
|
if (filter->input_count == 1 && !curr_inputs && !index) {
|
2008-12-26 20:26:44 +00:00
|
|
|
/* First input can be omitted if it is "[in]" */
|
2008-05-24 20:40:40 +00:00
|
|
|
const char *tmp = "[in]";
|
2010-11-07 18:40:14 +00:00
|
|
|
if ((ret = parse_inputs(&tmp, &curr_inputs, &open_outputs, log_ctx)) < 0)
|
2008-05-24 20:35:43 +00:00
|
|
|
goto fail;
|
|
|
|
}
|
|
|
|
|
2010-11-07 18:40:14 +00:00
|
|
|
if ((ret = link_filter_inouts(filter, &curr_inputs, &open_inputs, log_ctx)) < 0)
|
2008-05-24 20:40:40 +00:00
|
|
|
goto fail;
|
2008-05-24 20:39:14 +00:00
|
|
|
|
2010-11-07 18:40:14 +00:00
|
|
|
if ((ret = parse_outputs(&filters, &curr_inputs, &open_inputs, &open_outputs,
|
|
|
|
log_ctx)) < 0)
|
2008-05-24 20:40:14 +00:00
|
|
|
goto fail;
|
|
|
|
|
2009-04-21 19:08:49 +00:00
|
|
|
filters += strspn(filters, WHITESPACES);
|
2008-05-24 20:35:43 +00:00
|
|
|
chr = *filters++;
|
|
|
|
|
2010-07-22 09:49:15 +00:00
|
|
|
if (chr == ';' && curr_inputs) {
|
2008-05-24 20:40:40 +00:00
|
|
|
av_log(log_ctx, AV_LOG_ERROR,
|
|
|
|
"Could not find a output to link when parsing \"%s\"\n",
|
|
|
|
filters - 1);
|
2010-11-07 18:40:14 +00:00
|
|
|
ret = AVERROR(EINVAL);
|
2008-05-24 20:40:40 +00:00
|
|
|
goto fail;
|
2008-05-24 20:35:43 +00:00
|
|
|
}
|
2008-05-24 20:40:40 +00:00
|
|
|
index++;
|
2010-07-22 09:49:15 +00:00
|
|
|
} while (chr == ',' || chr == ';');
|
2008-05-24 20:35:43 +00:00
|
|
|
|
2009-02-14 11:47:42 +00:00
|
|
|
if (chr) {
|
2009-01-16 23:56:53 +00:00
|
|
|
av_log(log_ctx, AV_LOG_ERROR,
|
|
|
|
"Unable to parse graph description substring: \"%s\"\n",
|
|
|
|
filters - 1);
|
2010-11-07 18:40:14 +00:00
|
|
|
ret = AVERROR(EINVAL);
|
2009-01-16 23:56:53 +00:00
|
|
|
goto fail;
|
|
|
|
}
|
|
|
|
|
2010-07-22 09:49:15 +00:00
|
|
|
if (open_inputs && !strcmp(open_inputs->name, "out") && curr_inputs) {
|
2008-12-26 20:26:44 +00:00
|
|
|
/* Last output can be omitted if it is "[out]" */
|
2008-05-24 20:40:40 +00:00
|
|
|
const char *tmp = "[out]";
|
2010-11-07 18:40:14 +00:00
|
|
|
if ((ret = parse_outputs(&tmp, &curr_inputs, &open_inputs, &open_outputs,
|
|
|
|
log_ctx)) < 0)
|
2008-05-24 20:35:43 +00:00
|
|
|
goto fail;
|
|
|
|
}
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
|
|
|
|
fail:
|
2010-11-04 20:34:24 +00:00
|
|
|
avfilter_graph_free(graph);
|
2008-12-27 09:31:05 +00:00
|
|
|
free_inout(open_inputs);
|
|
|
|
free_inout(open_outputs);
|
|
|
|
free_inout(curr_inputs);
|
2010-11-07 18:40:14 +00:00
|
|
|
return ret;
|
2008-05-24 20:35:43 +00:00
|
|
|
}
|