diff options
author | Matt A. Tobin <mattatobin@localhost.localdomain> | 2018-02-02 04:16:08 -0500 |
---|---|---|
committer | Matt A. Tobin <mattatobin@localhost.localdomain> | 2018-02-02 04:16:08 -0500 |
commit | 5f8de423f190bbb79a62f804151bc24824fa32d8 (patch) | |
tree | 10027f336435511475e392454359edea8e25895d /dom/media/platforms/omx/OmxPlatformLayer.h | |
parent | 49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff) | |
download | UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar.gz UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar.lz UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar.xz UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.zip |
Add m-esr52 at 52.6.0
Diffstat (limited to 'dom/media/platforms/omx/OmxPlatformLayer.h')
-rw-r--r-- | dom/media/platforms/omx/OmxPlatformLayer.h | 100 |
1 files changed, 100 insertions, 0 deletions
diff --git a/dom/media/platforms/omx/OmxPlatformLayer.h b/dom/media/platforms/omx/OmxPlatformLayer.h new file mode 100644 index 000000000..67d9e448f --- /dev/null +++ b/dom/media/platforms/omx/OmxPlatformLayer.h @@ -0,0 +1,100 @@ +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* vim:set ts=2 sw=2 sts=2 et cindent: */ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#if !defined(OmxPlatformLayer_h_) +#define OmxPlatformLayer_h_ + +#include "OMX_Core.h" +#include "OMX_Types.h" + +#include "OmxPromiseLayer.h" + +class nsACString; + +namespace mozilla { + +class TaskQueue; +class TrackInfo; + +/* + * This class the the abstract layer of the platform OpenMax IL implementation. + * + * For some platform like andoird, it exposures its OpenMax IL via IOMX which + * is definitions are different comparing to standard. + * For other platforms like Raspberry Pi, it will be easy to implement this layer + * with the standard OpenMax IL api. + */ +class OmxPlatformLayer { +public: + typedef OmxPromiseLayer::BUFFERLIST BUFFERLIST; + typedef OmxPromiseLayer::BufferData BufferData; + + virtual OMX_ERRORTYPE InitOmxToStateLoaded(const TrackInfo* aInfo) = 0; + + OMX_ERRORTYPE Config(); + + virtual OMX_ERRORTYPE EmptyThisBuffer(BufferData* aData) = 0; + + virtual OMX_ERRORTYPE FillThisBuffer(BufferData* aData) = 0; + + virtual OMX_ERRORTYPE SendCommand(OMX_COMMANDTYPE aCmd, + OMX_U32 aParam1, + OMX_PTR aCmdData) = 0; + + // Buffer could be platform dependent; for example, video decoding needs gralloc + // on Gonk. Therefore, derived class needs to implement its owned buffer + // allocate/release API according to its platform type. + virtual nsresult AllocateOmxBuffer(OMX_DIRTYPE aType, BUFFERLIST* aBufferList) = 0; + + virtual nsresult ReleaseOmxBuffer(OMX_DIRTYPE aType, BUFFERLIST* aBufferList) = 0; + + virtual OMX_ERRORTYPE GetState(OMX_STATETYPE* aType) = 0; + + virtual OMX_ERRORTYPE GetParameter(OMX_INDEXTYPE aParamIndex, + OMX_PTR aComponentParameterStructure, + OMX_U32 aComponentParameterSize) = 0; + + virtual OMX_ERRORTYPE SetParameter(OMX_INDEXTYPE nIndex, + OMX_PTR aComponentParameterStructure, + OMX_U32 aComponentParameterSize) = 0; + + virtual nsresult Shutdown() = 0; + + virtual ~OmxPlatformLayer() {} + + // For decoders, input port index is start port number and output port is next. + // See OpenMAX IL spec v1.1.2 section 8.6.1 & 8.8.1. + OMX_U32 InputPortIndex() { return mStartPortNumber; } + + OMX_U32 OutputPortIndex() { return mStartPortNumber + 1; } + + void GetPortIndices(nsTArray<uint32_t>& aPortIndex) { + aPortIndex.AppendElement(InputPortIndex()); + aPortIndex.AppendElement(OutputPortIndex()); + } + + virtual OMX_VIDEO_CODINGTYPE CompressionFormat(); + + // Check if the platform implementation supports given MIME type. + static bool SupportsMimeType(const nsACString& aMimeType); + + // Hide the details of creating implementation objects for different platforms. + static OmxPlatformLayer* Create(OmxDataDecoder* aDataDecoder, + OmxPromiseLayer* aPromiseLayer, + TaskQueue* aTaskQueue, + layers::ImageContainer* aImageContainer); + +protected: + OmxPlatformLayer() : mInfo(nullptr), mStartPortNumber(0) {} + + // The pointee is held by |OmxDataDecoder::mTrackInfo| and will outlive this pointer. + const TrackInfo* mInfo; + OMX_U32 mStartPortNumber; +}; + +} + +#endif // OmxPlatformLayer_h_ |