M4VD_Tools.h revision 694816d7291f17364502ac5d3319684a0b180860 
1/*
2 * Copyright (C) 2004-2011 NXP Software
3 * Copyright (C) 2011 The Android Open Source Project
4 *
5 * Licensed under the Apache License, Version 2.0 (the "License");
6 * you may not use this file except in compliance with the License.
7 * You may obtain a copy of the License at
8 *
9 *      http://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 */
17
18#ifndef __M4VD_TOOLS_H__
19#define __M4VD_TOOLS_H__
20
21#ifdef __cplusplus
22extern "C" {
23#endif
24
25#include "NXPSW_CompilerSwitches.h"
26#include "M4OSA_Memory.h"
27#include "M4OSA_Types.h"
28/* ----- bitstream parser ----- */
29
30typedef struct
31{
32    M4OSA_UInt32 stream_byte;
33    M4OSA_UInt32 stream_index;
34    M4OSA_MemAddr8 in;
35
36} M4VS_Bitstream_ctxt;
37
38M4OSA_UInt32 M4VD_Tools_GetBitsFromMemory(M4VS_Bitstream_ctxt* parsingCtxt,
39                                            M4OSA_UInt32 nb_bits);
40M4OSA_ERR M4VD_Tools_WriteBitsToMemory(M4OSA_UInt32 bitsToWrite,
41                                         M4OSA_MemAddr32 dest_bits,
42                                         M4OSA_UInt8 offset, M4OSA_UInt8 nb_bits);
43
44#ifdef __cplusplus
45}
46#endif /* __cplusplus */
47
48#endif /* __M4VD_TOOLS_H__ */
49