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68 lines
2.3 KiB
C++
68 lines
2.3 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim:set ts=2 sw=2 sts=2 et cindent: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#if !defined(OmxPlatformLayer_h_)
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#define OmxPlatformLayer_h_
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#include "OMX_Core.h"
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#include "OMX_Types.h"
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#include "mozilla/MozPromise.h"
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#include "mozilla/TaskQueue.h"
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#include "OmxPromiseLayer.h"
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namespace mozilla {
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class TrackInfo;
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/*
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* This class the the abstract layer of the platform OpenMax IL implementation.
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*
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* For some platform like andoird, it exposures its OpenMax IL via IOMX which
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* is definitions are different comparing to standard.
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* For other platforms like Raspberry Pi, it will be easy to implement this layer
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* with the standard OpenMax IL api.
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*/
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class OmxPlatformLayer {
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public:
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typedef OmxPromiseLayer::BUFFERLIST BUFFERLIST;
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typedef OmxPromiseLayer::BufferData BufferData;
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virtual OMX_ERRORTYPE InitOmxToStateLoaded(const TrackInfo* aInfo) = 0;
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virtual OMX_ERRORTYPE EmptyThisBuffer(BufferData* aData) = 0;
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virtual OMX_ERRORTYPE FillThisBuffer(BufferData* aData) = 0;
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virtual OMX_ERRORTYPE SendCommand(OMX_COMMANDTYPE aCmd,
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OMX_U32 aParam1,
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OMX_PTR aCmdData) = 0;
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// Buffer could be platform dependent; for example, video decoding needs gralloc
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// on Gonk. Therefore, derived class needs to implement its owned buffer
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// allocate/release API according to its platform type.
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virtual nsresult AllocateOmxBuffer(OMX_DIRTYPE aType, BUFFERLIST* aBufferList) = 0;
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virtual nsresult ReleaseOmxBuffer(OMX_DIRTYPE aType, BUFFERLIST* aBufferList) = 0;
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virtual OMX_ERRORTYPE GetState(OMX_STATETYPE* aType) = 0;
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virtual OMX_ERRORTYPE GetParameter(OMX_INDEXTYPE aParamIndex,
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OMX_PTR aComponentParameterStructure,
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OMX_U32 aComponentParameterSize) = 0;
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virtual OMX_ERRORTYPE SetParameter(OMX_INDEXTYPE nIndex,
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OMX_PTR aComponentParameterStructure,
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OMX_U32 aComponentParameterSize) = 0;
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virtual nsresult Shutdown() = 0;
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virtual ~OmxPlatformLayer() {}
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};
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}
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#endif // OmxPlatformLayer_h_
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