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/*
* Copyright (c) 2015-2018, 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_decode_mpeg2.h
//! \brief Defines DdiDecodeMPEG2 class for MPEG2 decode
//!
#ifndef __MEDIA_DDI_DECODER_MPEG2_H__
#define __MEDIA_DDI_DECODER_MPEG2_H__
#include <va/va.h>
#include "media_ddi_decode_base.h"
//!
//! \class DdiDecodeMPEG2
//! \brief Ddi decode MPEG2
//!
class DdiDecodeMPEG2 : public DdiMediaDecode
{
public:
//!
//! \brief Constructor
//!
DdiDecodeMPEG2(DDI_DECODE_CONFIG_ATTR *ddiDecodeAttr) : DdiMediaDecode(ddiDecodeAttr){m_withDpb = false;};
//!
//! \brief Destructor
//!
virtual ~DdiDecodeMPEG2(){};
// inherited virtual functions
virtual void DestroyContext(
VADriverContextP ctx) override;
virtual VAStatus RenderPicture(
VADriverContextP ctx,
VAContextID context,
VABufferID *buffers,
int32_t num_buffers) override;
virtual VAStatus SetDecodeParams() override;
virtual void ContextInit(
int32_t picWidth,
int32_t picHeight) override;
virtual VAStatus CodecHalInit(
DDI_MEDIA_CONTEXT *mediaCtx,
void *ptr) override;
virtual VAStatus AllocSliceControlBuffer(
DDI_MEDIA_BUFFER *buf) override;
virtual uint8_t* GetPicParamBuf(
DDI_CODEC_COM_BUFFER_MGR *bufMgr) override;
private:
//!
//! \brief ParaSliceParam for MPEG2
//! \details parse the sliceParam info required by MPEG2 decoding for
//! each slice
//!
//! \param [in] *mediaCtx
//! DDI_MEDIA_CONTEXT
//! \param [in] *slcParam
//! VASliceParameterBufferMPEG2
//! \param [in] numSlices
//! uint32_t
//!
//! \return VA_STATUS_SUCCESS is returned if it is parsed successfully.
//! else fail reason
VAStatus ParseSliceParams(
DDI_MEDIA_CONTEXT *mediaCtx,
VASliceParameterBufferMPEG2 *slcParam,
uint32_t numSlices);
//!
//! \brief ParseIQMatrixParam for MPEG2
//! \details parse the QMatrix info required by MPEG2 decoding
//!
//! \param [in] *mediaCtx
//! DDI_MEDIA_CONTEXT
//! \param [in] *qMatrix
//! VAIQMatrixBufferMPEG2
//!
//! \return VA_STATUS_SUCCESS is returned if it is parsed successfully.
//! else fail reason
VAStatus ParseIQMatrix(
DDI_MEDIA_CONTEXT *mediaCtx,
VAIQMatrixBufferMPEG2 *matrix);
//! \brief ParsePicParam for MPEG2
//! \details parse the PicParam info required by MPEG2 decoding
//!
//! \param [in] *mediaCtx
//! DDI_MEDIA_CONTEXT
//! \param [in] *qMatrix
//! VAIQMatrixBufferH264
//!
//! \return VA_STATUS_SUCCESS is returned if it is parsed successfully.
//! else fail reason
VAStatus ParsePicParams(
DDI_MEDIA_CONTEXT *mediaCtx,
VAPictureParameterBufferMPEG2 *picParam);
//! \brief Alloc SliceParam content for MPEG2
//! \details Alloc/resize SlicePram content for MPEG2 decoding
//!
//! \param [in] numSlices
//! uint32_t the required number of slices
//!
//! \return VA_STATUS_SUCCESS is returned if it is parsed successfully.
//! else fail reason
VAStatus AllocSliceParamContext(
uint32_t numSlices);
//!
//! \brief Parse and Refine the number of MBs for MPEG2
//! \details parse and Refine the number of MBs for each slices
//! This helps to fix the issue passed from upper middleware.
//!
//! \param [in] numSlices
//! int32_t
void ParseNumMbsForSlice(int32_t numSlices);
//! \brief Init Resource buffer for MPEG2
//! \details Initialize and allocate the Resource buffer for MPEG2
//!
//! \return VA_STATUS_SUCCESS is returned if it is parsed successfully.
//! else fail reason
VAStatus InitResourceBuffer();
//! \brief Free Resource buffer for MPEG2
//!
void FreeResourceBuffer();
};
#endif /* _MEDIA_DDI_DECODE_MPEG2_H */
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