author | Mikael Laine <mikael.laine@ixonos.com> |
Fri, 29 Jan 2010 14:08:33 +0200 | |
changeset 0 | 951a5db380a0 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2010 Ixonos Plc. |
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* All rights reserved. |
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* This component and the accompanying materials are made available |
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* under the terms of the "Eclipse Public License v1.0" |
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* which accompanies this distribution, and is available |
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* at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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* |
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* Initial Contributors: |
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* Nokia Corporation - Initial contribution |
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* |
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* Contributors: |
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* Ixonos Plc |
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* |
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* Description: |
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* Header file for the Video Decoder Engine image buffer store. |
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* |
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*/ |
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#ifndef _VDEIMS_H_ |
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#define _VDEIMS_H_ |
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/* |
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* Includes |
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*/ |
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#include "list.h" |
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#include "vdeimb.h" |
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/* |
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* Defines |
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*/ |
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/* for the mode parameter of vdeImsGetReference */ |
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#define VDEIMS_REF_TR 0 |
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#define VDEIMS_REF_LATEST 1 |
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#define VDEIMS_REF_OLDEST 2 |
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/* |
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* Typedefs |
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*/ |
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/* {{-output"vdeImsItem_t_info.txt" -ignore"*" -noCR}} |
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The image store item structure is used throughout the Image Store |
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module to store individual image buffers. |
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{{-output"vdeImsItem_t_info.txt"}} */ |
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/* {{-output"vdeImsItem_t.txt"}} */ |
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typedef struct { |
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LST_ITEM_SKELETON |
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vdeImb_t *imb; /* pointer to image buffer structure */ |
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} vdeImsItem_t; |
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/* {{-output"vdeImsItem_t.txt"}} */ |
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/* {{-output"vdeIms_t_info.txt" -ignore"*" -noCR}} |
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vdeIms_t defines the structure of an image buffer store. |
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A pointer to this structure is passed to the VDE Image Store module |
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functions to indicate the image store instance which the functions should |
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handle. One should not access the members of this structure directly |
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but rather always use the provided access functions. |
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{{-output"vdeIms_t_info.txt"}} */ |
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/* {{-output"vdeIms_t.txt"}} */ |
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typedef struct { |
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lst_t freeStoreList; /* a list of "Free" stores each of which is |
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carrying frames with a certain (unique) |
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size */ |
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vdeImsItem_t *refFrame; /* refFrame is a pointer to |
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the latest reference (INTRA or INTER) frame */ |
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lst_t idleStore; /* a list of non-referenced but to-be-displayed |
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image store items */ |
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int fYuvNeeded; |
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} vdeIms_t; |
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/* {{-output"vdeIms_t.txt"}} */ |
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/* |
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* Function prototypes |
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*/ |
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int vdeImsChangeReference(vdeIms_t *store, vdeImsItem_t *newItem); |
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int vdeImsClose(vdeIms_t *store); |
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int vdeImsDebRefStore(vdeIms_t *store); |
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int vdeImsFromRenderer(vdeIms_t *store, void *drawItem); |
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int vdeImsGetFree(vdeIms_t *store, int lumWidth, int lumHeight, |
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vdeImsItem_t **item); |
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int vdeImsGetReference(vdeIms_t *store, int mode, int tr, vdeImsItem_t **item); |
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int vdeImsOpen(vdeIms_t *store, int numFreeItems, int lumWidth, int lumHeight); |
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void vdeImsSetYUVNeed(vdeIms_t *store, int fYuvNeeded); |
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int vdeImsPut(vdeIms_t *store, vdeImsItem_t *item); |
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int vdeImsPutFree(vdeIms_t *store, vdeImsItem_t *item); |
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int vdeImsReleaseReference(vdeIms_t *store, vdeImsItem_t *item); |
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/* |
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* Macros |
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*/ |
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/* Note: vdeImsImageBufferToStoreItem and vdeImsStoreItemToImageBuffer |
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need not be used since it is considered that the vdeImsItem_t structure |
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is public and one can directly refer the image buffer to as pImsItem->imb. |
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However, these macros exist to provide compatibility to some "old" code. */ |
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/* |
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* vdeImsImageBufferToStoreItem |
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* |
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* Parameters: |
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* vdeImb_t *buffer a pointer to an image buffer |
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* vdeImsItem_t *storeItem a pointer to a image store item |
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* |
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* Function: |
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* This macro associates the given image buffer with the given |
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* image store item. |
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* |
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* Returns: |
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* >= 0 if successful |
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* < 0 indicating an error |
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* |
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*/ |
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#define vdeImsImageBufferToStoreItem(buffer, storeItem) ((storeItem)->imb = (buffer), 0) |
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|
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/* |
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* vdeImsStoreItemToImageBuffer |
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* |
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* Parameters: |
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* vdeImsItem_t *storeItem a pointer to a image store item |
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* vdeImb_t **buffer a pointer to an image buffer pointer |
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* |
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* Function: |
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* This macro returns the pointer to the image buffer associated with |
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* the given image store item. |
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* |
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* Returns: |
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* >= 0 if successful |
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* < 0 indicating an error |
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* |
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*/ |
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#define vdeImsStoreItemToImageBuffer(storeItem, buffer) (*(buffer) = (storeItem)->imb, 0) |
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#endif |
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// End of File |