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/*
* Copyright (c) 2017, Intel Corporation
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*/
//!
//! \file media_ddi_base.h
//! \brief Defines base class for DDI media encode/decoder/VP
//!
#ifndef _MEDIA_DDI_BASE_H_
#define _MEDIA_DDI_BASE_H_
#include <stdint.h>
#include <va/va.h>
#include <va/va_backend.h>
#include "media_libva.h"
#include "media_libva_util.h"
#define SURFACE_STATE_INACTIVE 0 //!< Surface state inactive flag, should be transfer from inactive->inuse->active->inactive
#define SURFACE_STATE_ACTIVE_IN_LASTFRAME 1 //!< Surface state active in last frame flag, means surface appears in DPB of last frame and certainly some of them will appear in DPB of current frame.
#define SURFACE_STATE_ACTIVE_IN_CURFRAME 64 //!< Surface state active in current frame flag, means surface will be used in current frame.
//!
//! \class DdiMediaBase
//! \brief Ddi media base class
//!
class DdiMediaBase
{
public:
//!
//! \brief Constructor
//!
DdiMediaBase(){};
//!
//! \brief Destructor
//!
virtual ~DdiMediaBase(){};
//!
//! \brief Get ready to process for a target surface
//! \details It begins the process (encode/decode/vp) for a specified target surface
//!
//! \param [in] ctx
//! Pointer to VA driver context
//! \param [in] context
//! Already created context for the process
//! \param [in] renderTarget
//! Specified target surface
//!
//! \return VAStatus
//! VA_STATUS_SUCCESS if success, else fail reason
//!
virtual VAStatus BeginPicture(
VADriverContextP ctx,
VAContextID context,
VASurfaceID renderTarget) = 0;
//!
//! \brief Send required buffers to for process
//! \details It sends needed buffers by the process (encode/decode/vp) to the driver
//!
//! \param [in] ctx
//! Pointer to VA driver context
//! \param [in] context
//! Already created context for the process
//! \param [in] buffers
//! Pointer to the buffer array
//! \param [in] numBuffers
//! Number of buffers in above array
//!
//! \return VAStatus
//! VA_STATUS_SUCCESS if success, else fail reason
//!
virtual VAStatus RenderPicture(
VADriverContextP ctx,
VAContextID context,
VABufferID *buffers,
int32_t numBuffers) = 0;
//!
//! \brief Make the end of rendering for a picture
//! \details The driver will start processing the corresponding decoding/encoding/vp for
//! given context. This call is non-blocking. The app can start another
//! Begin/Render/End sequence on a different render target
//!
//! \param [in] ctx
//! Pointer to VA driver context
//! \param [in] context
//! Already created context for the process
//!
//! \return VAStatus
//! VA_STATUS_SUCCESS if success, else fail reason
//!
virtual VAStatus EndPicture(
VADriverContextP ctx,
VAContextID context) = 0;
//!
//! \brief Register Render Target Surface
//! \details Register surface in render target table
//!
//! \param [in] rtTbl
//! Pointer to DDI_CODEC_RENDER_TARGET_TABLE
//! \param [in] surface
//! Pointer to DDI_MEDIA_SURFACE
//!
//! \return VAStatus
//! VA_STATUS_SUCCESS if success, else fail reason
//!
VAStatus RegisterRTSurfaces(DDI_CODEC_RENDER_TARGET_TABLE *rtTbl, DDI_MEDIA_SURFACE *surface);
//!
//! \brief Unregister Render Target Surface
//! \details Unregister surface in render target table
//!
//! \param [in] rtTbl
//! Pointer to DDI_CODEC_RENDER_TARGET_TABLE
//! \param [in] surface
//! Pointer to DDI_MEDIA_SURFACE
//!
//! \return VAStatus
//! VA_STATUS_SUCCESS if success, else fail reason
//!
VAStatus UnRegisterRTSurfaces(DDI_CODEC_RENDER_TARGET_TABLE *rtTbl, DDI_MEDIA_SURFACE *surface);
protected:
//!
//! \brief Get Render Target Index
//! \details Get surface index in render target table
//!
//! \param [in] rtTbl
//! Pointer to DDI_CODEC_RENDER_TARGET_TABLE
//! \param [in] surface
//! Pointer to DDI_MEDIA_SURFACE
//!
//! \return int32_t
//! Render target index
//!
int32_t GetRenderTargetID(DDI_CODEC_RENDER_TARGET_TABLE *rtTbl, DDI_MEDIA_SURFACE *surface);
//!
//! \brief Clear Reference List
//! \details Clear surface state in render target table
//!
//! \param [in] rtTbl
//! Pointer to DDI_CODEC_RENDER_TARGET_TABLE
//! \param [in] withDpb
//! Dpb flag
//!
//! \return VAStatus
//! VA_STATUS_SUCCESS if success, else fail reason
//!
VAStatus ClearRefList(DDI_CODEC_RENDER_TARGET_TABLE *rtTbl, bool withDpb);
//!
//! \brief Update Registered Render Target Surface Flag
//! \details Check if surface need to be registered in render target table
//!
//! \param [in] rtTbl
//! Pointer to DDI_CODEC_RENDER_TARGET_TABLE
//! \param [in] surface
//! Pointer to DDI_MEDIA_SURFACE
//!
//! \return VAStatus
//! VA_STATUS_SUCCESS if success, else fail reason
//!
VAStatus UpdateRegisteredRTSurfaceFlag(DDI_CODEC_RENDER_TARGET_TABLE *rtTbl, DDI_MEDIA_SURFACE *surface);
};
#endif /* _MEDIA_DDI_BASE_H_ */
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