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Java binding for the Gstreamer framework (0.10 compatible)
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/* 
 * Copyright (c) 2009 Levente Farkas
 * Copyright (c) 2007, 2008 Wayne Meissner
 * 
 * This file is part of gstreamer-java.
 *
 * This code is free software: you can redistribute it and/or modify it under
 * the terms of the GNU Lesser General Public License version 3 only, as
 * published by the Free Software Foundation.
 *
 * This code 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 Lesser General Public License
 * version 3 for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * version 3 along with this work.  If not, see .
 */

package org.gstreamer.lowlevel;

import java.util.Arrays;
import java.util.List;

import org.gstreamer.Caps;
import org.gstreamer.Pad;
import org.gstreamer.PadDirection;
import org.gstreamer.PadPresence;
import org.gstreamer.PadTemplate;
import org.gstreamer.lowlevel.GstCapsAPI.GstStaticCapsStruct;
import org.gstreamer.lowlevel.annotations.CallerOwnsReturn;
import org.gstreamer.lowlevel.annotations.IncRef;

import com.sun.jna.Pointer;

/**
 * GstPadTemplate functions
 */
public interface GstPadTemplateAPI extends com.sun.jna.Library {
    GstPadTemplateAPI GSTPADTEMPLATE_API = GstNative.load(GstPadTemplateAPI.class);

    /* element class pad templates */
    void gst_element_class_add_pad_template(Pointer klass, PadTemplate templ);
    PadTemplate gst_element_class_get_pad_template(Pointer /*GstElementClass*/ element_class, String name);
    
    /* templates and factories */
    GType gst_pad_template_get_type();
    GType gst_static_pad_template_get_type();

    @CallerOwnsReturn Pointer ptr_gst_pad_template_new(String name_template, PadDirection direction, 
            PadPresence presence, @IncRef Caps caps);
    @CallerOwnsReturn PadTemplate gst_pad_template_new(String name_template, PadDirection direction, 
            PadPresence presence, @IncRef Caps caps);
    @CallerOwnsReturn PadTemplate gst_static_pad_template_get(GstStaticPadTemplate pad_template);
    @CallerOwnsReturn Caps gst_static_pad_template_get_caps(GstStaticPadTemplate template);
    @CallerOwnsReturn Caps gst_pad_template_get_caps(PadTemplate template);
    void gst_pad_template_pad_created(PadTemplate templ, Pad pad);
    
    public static final class GstStaticPadTemplate extends com.sun.jna.Structure {
        public volatile String name_template;
        public volatile PadDirection direction;
        public volatile PadPresence presence;
        public volatile GstStaticCapsStruct static_caps;
        
        public GstStaticPadTemplate(Pointer memory) {
            useMemory(memory);
            read();
        }

        @Override
        protected List getFieldOrder() {
            return Arrays.asList(new String[]{
                "name_template", "direction", "presence",
                "static_caps"
            });
        }
    }  
    
}