124 lines
4.7 KiB
C++
124 lines
4.7 KiB
C++
/*
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* Copyright (C) 2009 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef HARDWARE_API_H_
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#define HARDWARE_API_H_
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#include <OMXPluginBase.h>
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#include <system/window.h>
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#include <utils/RefBase.h>
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#include <OMX_Component.h>
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namespace android {
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// A pointer to this struct is passed to the OMX_SetParameter when the extension
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// index for the 'OMX.google.android.index.enableAndroidNativeBuffers' extension
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// is given.
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//
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// When Android native buffer use is disabled for a port (the default state),
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// the OMX node should operate as normal, and expect UseBuffer calls to set its
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// buffers. This is the mode that will be used when CPU access to the buffer is
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// required.
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//
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// When Android native buffer use has been enabled for a given port, the video
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// color format for the port is to be interpreted as an Android pixel format
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// rather than an OMX color format. The node should then expect to receive
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// UseAndroidNativeBuffer calls (via OMX_SetParameter) rather than UseBuffer
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// calls for that port.
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struct EnableAndroidNativeBuffersParams {
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OMX_U32 nSize;
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OMX_VERSIONTYPE nVersion;
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OMX_U32 nPortIndex;
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OMX_BOOL enable;
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};
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// A pointer to this struct is passed to OMX_SetParameter() when the extension
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// index "OMX.google.android.index.storeMetaDataInBuffers"
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// is given.
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//
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// When meta data is stored in the video buffers passed between OMX clients
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// and OMX components, interpretation of the buffer data is up to the
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// buffer receiver, and the data may or may not be the actual video data, but
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// some information helpful for the receiver to locate the actual data.
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// The buffer receiver thus needs to know how to interpret what is stored
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// in these buffers, with mechanisms pre-determined externally. How to
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// interpret the meta data is outside of the scope of this method.
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//
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// Currently, this is specifically used to pass meta data from video source
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// (camera component, for instance) to video encoder to avoid memcpying of
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// input video frame data. To do this, bStoreMetaDta is set to OMX_TRUE.
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// If bStoreMetaData is set to false, real YUV frame data will be stored
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// in the buffers. In addition, if no OMX_SetParameter() call is made
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// with the corresponding extension index, real YUV data is stored
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// in the buffers.
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struct StoreMetaDataInBuffersParams {
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OMX_U32 nSize;
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OMX_VERSIONTYPE nVersion;
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OMX_U32 nPortIndex;
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OMX_BOOL bStoreMetaData;
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};
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// A pointer to this struct is passed to OMX_SetParameter when the extension
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// index for the 'OMX.google.android.index.useAndroidNativeBuffer' extension is
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// given. This call will only be performed if a prior call was made with the
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// 'OMX.google.android.index.enableAndroidNativeBuffers' extension index,
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// enabling use of Android native buffers.
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struct UseAndroidNativeBufferParams {
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OMX_U32 nSize;
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OMX_VERSIONTYPE nVersion;
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OMX_U32 nPortIndex;
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OMX_PTR pAppPrivate;
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OMX_BUFFERHEADERTYPE **bufferHeader;
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const sp<ANativeWindowBuffer>& nativeBuffer;
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};
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// A pointer to this struct is passed to OMX_GetParameter when the extension
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// index for the 'OMX.google.android.index.getAndroidNativeBufferUsage'
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// extension is given. The usage bits returned from this query will be used to
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// allocate the Gralloc buffers that get passed to the useAndroidNativeBuffer
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// command.
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struct GetAndroidNativeBufferUsageParams {
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OMX_U32 nSize; // IN
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OMX_VERSIONTYPE nVersion; // IN
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OMX_U32 nPortIndex; // IN
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OMX_U32 nUsage; // OUT
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};
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// An enum OMX_COLOR_FormatAndroidOpaque to indicate an opaque colorformat
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// is declared in media/stagefright/openmax/OMX_IVCommon.h
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// This will inform the encoder that the actual
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// colorformat will be relayed by the GRalloc Buffers.
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// OMX_COLOR_FormatAndroidOpaque = 0x7F000001,
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// A pointer to this struct is passed to OMX_SetParameter when the extension
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// index for the 'OMX.google.android.index.prependSPSPPSToIDRFrames' extension
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// is given.
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// A successful result indicates that future IDR frames will be prefixed by
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// SPS/PPS.
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struct PrependSPSPPSToIDRFramesParams {
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OMX_U32 nSize;
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OMX_VERSIONTYPE nVersion;
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OMX_BOOL bEnable;
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};
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} // namespace android
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extern android::OMXPluginBase *createOMXPlugin();
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#endif // HARDWARE_API_H_
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