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/*
* Copyright (c) 2009-2017, 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_decode_jpeg.h
//! \brief libva(and its extension) decoder implementation
//!
#ifndef __MEDIA_DDI_JPEG_DECODER_H__
#define __MEDIA_DDI_JPEG_DECODER_H__
#include <va/va.h>
#include "media_ddi_decode_base.h"
//forward declaration of DDI_MEDIA_BUFFER
struct _DDI_MEDIA_BUFFER;
//!
//! \class DdiDecodeJPEG
//! \brief This class defines the member fields, functions etc used by JPEG decoder.
//!
class DdiDecodeJPEG : public DdiMediaDecode
{
public:
//!
//! \brief Constructor
//!
DdiDecodeJPEG(DDI_DECODE_CONFIG_ATTR *ddiDecodeAttr) : DdiMediaDecode(ddiDecodeAttr){};
//!
//! \brief Destructor
//!
virtual ~DdiDecodeJPEG(){};
// inherited virtual functions
virtual VAStatus BeginPicture(
VADriverContextP ctx,
VAContextID context,
VASurfaceID renderTarget) override;
virtual void DestroyContext(
VADriverContextP ctx) override;
virtual VAStatus RenderPicture(
VADriverContextP ctx,
VAContextID context,
VABufferID *buffers,
int32_t numBuffers) override;
virtual VAStatus InitDecodeParams(
VADriverContextP ctx,
VAContextID context) 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 VAStatus AllocBsBuffer(
DDI_CODEC_COM_BUFFER_MGR *bufMgr,
DDI_MEDIA_BUFFER *buf) override;
virtual uint8_t* GetPicParamBuf(
DDI_CODEC_COM_BUFFER_MGR *bufMgr) override;
private:
//!
//! \brief ParaSliceParam for Jpeg
//! \details parse the sliceParam info required by JPEG decoding for
//! each slice
//!
//! \param [in] *mediaCtx
//! DDI_MEDIA_CONTEXT
//! \param [in] *slcParam
//! VASliceParameterBufferJPEGBaseline
//! \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,
VASliceParameterBufferJPEGBaseline *slcParam,
uint32_t numSlices);
//!
//! \brief ParaQMatrixParam for JPEG
//! \details parse the IQMatrix info required by JPEG decoding
//!
//! \param [in] *mediaCtx
//! DDI_MEDIA_CONTEXT
//! \param [in] *matrix
//! VAIQMatrixBufferJPEGBaseline
//!
//! \param [in] numSlices
//! int32_t
//!
//! \return VA_STATUS_SUCCESS is returned if it is parsed successfully.
//! else fail reason
VAStatus ParseIQMatrix(
DDI_MEDIA_CONTEXT *mediaCtx,
VAIQMatrixBufferJPEGBaseline *matrix);
//! \brief ParsePicParam for JPEG
//! \details parse the PicParam info required by JPEG decoding
//!
//! \param [in] *mediaCtx
//! DDI_MEDIA_CONTEXT
//! \param [in] picParam
//! VAPictureParameterBufferJPEGBaseline
//!
//! \param [in] numSlices
//! int32_t
//! \return VA_STATUS_SUCCESS is returned if it is parsed successfully.
//! else fail reason
VAStatus ParsePicParams(
DDI_MEDIA_CONTEXT *mediaCtx,
VAPictureParameterBufferJPEGBaseline *picParam);
//! \brief Alloc SliceParam content for JPEG
//! \details Alloc/resize SlicePram content for JPEG 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 Init resource buffer for JPEG
//! \details Initialize and allocate the resource buffer for JPEG
//!
//! \return VA_STATUS_SUCCESS is returned if it is parsed successfully.
//! else fail reason
VAStatus InitResourceBuffer();
//! \brief Free Resource buffer for JPEG
//!
void FreeResourceBuffer();
//! \brief ParseHuffmanTbl for JPEG
//! \details parse the Huffman table info required by JPEG decoding
//!
//! \param [in] *mediaCtx
//! DDI_MEDIA_CONTEXT
//! \param [in] huffmanTbl
//! VAHuffmanTableBufferJPEGBaseline
//!
//! \return VA_STATUS_SUCCESS is returned if it is parsed successfully.
//! else fail reason
VAStatus ParseHuffmanTbl(
DDI_MEDIA_CONTEXT *mediaCtx,
VAHuffmanTableBufferJPEGBaseline *huffmanTbl);
//! \brief Set input buffer as rendered for JPEG decoding
//! \details Mark the input data buffer as rendered. This will be used in later decoding.
//!
//! \param [in] bufferID
//! VABufferID
//!
//! \return VA_STATUS_SUCCESS is returned if it is parsed successfully.
//! else fail reason
VAStatus SetBufferRendered(VABufferID bufferID);
//! \brief the internal JPEG bit-stream buffer
struct _DDI_MEDIA_BUFFER *m_jpegBitstreamBuf = nullptr;
//! \brief the total num of JPEG scans
int32_t m_numScans = 0;
};
#endif
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