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diff --git a/media/libstagefright/codecs/on2/h264dec/source/h264bsd_dpb.h b/media/libstagefright/codecs/on2/h264dec/source/h264bsd_dpb.h
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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 */
+