BufferPool.java

/*
 * Copyright (c) 2016 Christophe Lafolet
 *
 * 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 <http://www.gnu.org/licenses/>.
 */
package org.freedesktop.gstreamer;

import org.freedesktop.gstreamer.lowlevel.GstBufferPoolAPI;

import com.sun.jna.Pointer;

public class BufferPool extends GstObject {

    public static final String GTYPE_NAME = "GstBufferPool";

    /**
     * This constructor is for internal use only.
     * @param init initialization data.
     */
    public BufferPool(final Initializer init) {
        super(init);
    }

    /**
     * Creates a new instance of BufferPool
     */
    public BufferPool() {
        this(initializer(GstBufferPoolAPI.GSTBUFFERPOOL_API.ptr_gst_buffer_pool_new()));
    }

    public void setParams(Caps caps, int size, int min_buffers, int max_buffers) {
    	Structure config = GstBufferPoolAPI.GSTBUFFERPOOL_API.gst_buffer_pool_get_config(this);
    	GstBufferPoolAPI.GSTBUFFERPOOL_API.gst_buffer_pool_config_set_params(config, caps, size, min_buffers, max_buffers);
    }

    public Caps getCaps() {
    	Structure config = GstBufferPoolAPI.GSTBUFFERPOOL_API.gst_buffer_pool_get_config(this);
    	Pointer[] ptr = new Pointer[1];
    	GstBufferPoolAPI.GSTBUFFERPOOL_API.gst_buffer_pool_config_get_params(config, ptr, null, null, null);
    	return new Caps(new Initializer(ptr[0], false, true));
    }

}