/H264Dec/source/h264bsd_seq_param_set.h

 1/*
 2 * Copyright (C) 2009 The Android Open Source Project
 3 *
 4 * Licensed under the Apache License, Version 2.0 (the "License");
 5 * you may not use this file except in compliance with the License.
 6 * You may obtain a copy of the License at
 7 *
 8 *      http://www.apache.org/licenses/LICENSE-2.0
 9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17/*------------------------------------------------------------------------------
18
19    Table of contents
20
21    1. Include headers
22    2. Module defines
23    3. Data types
24    4. Function prototypes
25
26------------------------------------------------------------------------------*/
27
28#ifndef H264SWDEC_SEQ_PARAM_SET_H
29#define H264SWDEC_SEQ_PARAM_SET_H
30
31/*------------------------------------------------------------------------------
32    1. Include headers
33------------------------------------------------------------------------------*/
34
35#include "basetype.h"
36#include "h264bsd_stream.h"
37#include "h264bsd_vui.h"
38
39/*------------------------------------------------------------------------------
40    2. Module defines
41------------------------------------------------------------------------------*/
42
43/*------------------------------------------------------------------------------
44    3. Data types
45------------------------------------------------------------------------------*/
46
47/* structure to store sequence parameter set information decoded from the
48 * stream */
49typedef struct
50{
51    u32 profileIdc;
52    u32 levelIdc;
53    u32 seqParameterSetId;
54    u32 maxFrameNum;
55    u32 picOrderCntType;
56    u32 maxPicOrderCntLsb;
57    u32 deltaPicOrderAlwaysZeroFlag;
58    i32 offsetForNonRefPic;
59    i32 offsetForTopToBottomField;
60    u32 numRefFramesInPicOrderCntCycle;
61    i32 *offsetForRefFrame;
62    u32 numRefFrames;
63    u32 gapsInFrameNumValueAllowedFlag;
64    u32 picWidthInMbs;
65    u32 picHeightInMbs;
66    u32 frameCroppingFlag;
67    u32 frameCropLeftOffset;
68    u32 frameCropRightOffset;
69    u32 frameCropTopOffset;
70    u32 frameCropBottomOffset;
71    u32 vuiParametersPresentFlag;
72    vuiParameters_t *vuiParameters;
73    u32 maxDpbSize;
74} seqParamSet_t;
75
76/*------------------------------------------------------------------------------
77    4. Function prototypes
78------------------------------------------------------------------------------*/
79
80u32 h264bsdDecodeSeqParamSet(strmData_t *pStrmData,
81    seqParamSet_t *pSeqParamSet);
82
83u32 h264bsdCompareSeqParamSets(seqParamSet_t *pSps1, seqParamSet_t *pSps2);
84
85#endif /* #ifdef H264SWDEC_SEQ_PARAM_SET_H */
86