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/*
* Copyright (C) 2009 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/*------------------------------------------------------------------------------
Table of contents
1. Include headers
2. Module defines
3. Data types
4. Function prototypes
------------------------------------------------------------------------------*/
#ifndef H264SWDEC_DPB_H
#define H264SWDEC_DPB_H
/*------------------------------------------------------------------------------
1. Include headers
------------------------------------------------------------------------------*/
#include "basetype.h"
#include "h264bsd_slice_header.h"
#include "h264bsd_image.h"
/*------------------------------------------------------------------------------
2. Module defines
------------------------------------------------------------------------------*/
/*------------------------------------------------------------------------------
3. Data types
------------------------------------------------------------------------------*/
/* enumeration to represent status of buffered image */
typedef enum {
UNUSED = 0,
NON_EXISTING,
SHORT_TERM,
LONG_TERM
} dpbPictureStatus_e;
/* structure to represent a buffered picture */
typedef struct {
u8 *data; /* 16-byte aligned pointer of pAllocatedData */
u8 *pAllocatedData; /* allocated picture pointer; (size + 15) bytes */
i32 picNum;
u32 frameNum;
i32 picOrderCnt;
dpbPictureStatus_e status;
u32 toBeDisplayed;
u32 picId;
u32 numErrMbs;
u32 isIdr;
} dpbPicture_t;
/* structure to represent display image output from the buffer */
typedef struct {
u8 *data;
u32 picId;
u32 numErrMbs;
u32 isIdr;
} dpbOutPicture_t;
/* structure to represent DPB */
typedef struct {
dpbPicture_t *buffer;
dpbPicture_t **list;
dpbPicture_t *currentOut;
dpbOutPicture_t *outBuf;
u32 numOut;
u32 outIndex;
u32 maxRefFrames;
u32 dpbSize;
u32 maxFrameNum;
u32 maxLongTermFrameIdx;
u32 numRefFrames;
u32 fullness;
u32 prevRefFrameNum;
u32 lastContainsMmco5;
u32 noReordering;
u32 flushed;
} dpbStorage_t;
/*------------------------------------------------------------------------------
4. Function prototypes
------------------------------------------------------------------------------*/
u32 h264bsdInitDpb(
dpbStorage_t *dpb,
u32 picSizeInMbs,
u32 dpbSize,
u32 numRefFrames,
u32 maxFrameNum,
u32 noReordering);
u32 h264bsdResetDpb(
dpbStorage_t *dpb,
u32 picSizeInMbs,
u32 dpbSize,
u32 numRefFrames,
u32 maxFrameNum,
u32 noReordering);
void h264bsdInitRefPicList(dpbStorage_t *dpb);
u8* h264bsdAllocateDpbImage(dpbStorage_t *dpb);
u8* h264bsdGetRefPicData(dpbStorage_t *dpb, u32 index);
u32 h264bsdReorderRefPicList(
dpbStorage_t *dpb,
refPicListReordering_t *order,
u32 currFrameNum,
u32 numRefIdxActive);
u32 h264bsdMarkDecRefPic(
dpbStorage_t *dpb,
decRefPicMarking_t *mark,
image_t *image,
u32 frameNum,
i32 picOrderCnt,
u32 isIdr,
u32 picId,
u32 numErrMbs);
u32 h264bsdCheckGapsInFrameNum(dpbStorage_t *dpb, u32 frameNum, u32 isRefPic,
u32 gapsAllowed);
dpbOutPicture_t* h264bsdDpbOutputPicture(dpbStorage_t *dpb);
void h264bsdFlushDpb(dpbStorage_t *dpb);
void h264bsdFreeDpb(dpbStorage_t *dpb);
#endif /* #ifdef H264SWDEC_DPB_H */
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