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Diffstat (limited to 'media/libstagefright/codecs/on2/h264dec/source/h264bsd_dpb.h')
-rwxr-xr-x | media/libstagefright/codecs/on2/h264dec/source/h264bsd_dpb.h | 149 |
1 files changed, 149 insertions, 0 deletions
diff --git a/media/libstagefright/codecs/on2/h264dec/source/h264bsd_dpb.h b/media/libstagefright/codecs/on2/h264dec/source/h264bsd_dpb.h new file mode 100755 index 0000000..0e25084 --- /dev/null +++ b/media/libstagefright/codecs/on2/h264dec/source/h264bsd_dpb.h @@ -0,0 +1,149 @@ +/* + * 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 */ + |