2 * Copyright (C) 2020 Ognyan Tonchev <ognyan at axis dot com>
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Library General Public
6 * License as published by the Free Software Foundation; either
7 * version 2 of the License, or (at your option) any later version.
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Library General Public License for more details.
14 * You should have received a copy of the GNU Library General Public
15 * License along with this library; if not, write to the
16 * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
17 * Boston, MA 02110-1301, USA.
20 #ifndef __GST_BUFFER_MEMORY_H__
21 #define __GST_BUFFER_MEMORY_H__
27 struct _GstBufferMemoryMap
39 /* data of the currently mapped memory */
43 /* size of the currently mapped memory */
46 /* When advancing through the data with gst_buffer_memory_advance_bytes ()
47 * the data field is also advanced and the size field decreased with the
48 * corresponding number of bytes. If all the bytes from the currently mapped
49 * GstMemory have been consumed then a new GstMemory will be mapped and data
50 * and size fileds will be updated.
53 typedef struct _GstBufferMemoryMap GstBufferMemoryMap;
56 gboolean gst_buffer_memory_map (GstBuffer * buffer, GstBufferMemoryMap * map);
59 gboolean gst_buffer_memory_advance_bytes (GstBufferMemoryMap * map, gsize size);
62 void gst_buffer_memory_unmap (GstBufferMemoryMap * map);
66 #endif /* __GST_BUFFER_MEMORY_H__ */