gstreamer/sources/custom/Adapter.cs

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// Copyright (C) 2013 Stephan Sundermann <stephansundermann@gmail.com>
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as
// published by the Free Software Foundation, either version 3 of the
// License, or (at your option) any later version.
//
// This program 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 Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
namespace Gst.Base {
using System;
using System.Runtime.InteropServices;
2013-10-13 20:35:24 +00:00
public partial class Adapter
{
[DllImport("libgstbase-1.0-0.dll", CallingConvention = CallingConvention.Cdecl)]
static extern void gst_adapter_copy(IntPtr raw, out IntPtr dest, int offset, int size);
public byte[] Copy(int offset, int size) {
IntPtr mem = Marshal.AllocHGlobal (size);
gst_adapter_copy(Handle, out mem, offset, size);
byte[] bytes = new byte[size];
Marshal.Copy (mem, bytes, 0, size);
return bytes;
}
[DllImport("libgstbase-1.0-0.dll", CallingConvention = CallingConvention.Cdecl)]
static extern IntPtr gst_adapter_map(IntPtr raw, out int size);
public byte[] Map() {
int size;
IntPtr mem = gst_adapter_map (Handle, out size);
byte[] ret = new byte[size];
Marshal.Copy (mem, ret , 0, size);
return ret;
}
}
}