1 /* 2 * Copyright (c) 2015-2017, Intel Corporation 3 * 4 * Permission is hereby granted, free of charge, to any person obtaining a 5 * copy of this software and associated documentation files (the "Software"), 6 * to deal in the Software without restriction, including without limitation 7 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 8 * and/or sell copies of the Software, and to permit persons to whom the 9 * Software is furnished to do so, subject to the following conditions: 10 * 11 * The above copyright notice and this permission notice shall be included 12 * in all copies or substantial portions of the Software. 13 * 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 15 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 17 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR 18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 20 * OTHER DEALINGS IN THE SOFTWARE. 21 */ 22 //! 23 //! \file media_ddi_decode_hevc.h 24 //! \brief libva(and its extension) decoder implementation 25 //! 26 //! 27 //! \file media_ddi_decode_hevc.h 28 //! \brief Defines DdiDecodeHEVC class for HEVC decode 29 //! 30 31 #ifndef __MEDIA_DDI_DECODER_HEVC_H__ 32 #define __MEDIA_DDI_DECODER_HEVC_H__ 33 34 #include <va/va.h> 35 #include "media_ddi_decode_base.h" 36 37 //! 38 //! \class DdiDecodeHEVC 39 //! \brief Ddi decode HEVC 40 //! 41 class DdiDecodeHEVC : public DdiMediaDecode 42 { 43 public: 44 //! 45 //! \brief Constructor 46 //! DdiDecodeHEVC(DDI_DECODE_CONFIG_ATTR * ddiDecodeAttr)47 DdiDecodeHEVC(DDI_DECODE_CONFIG_ATTR *ddiDecodeAttr) : DdiMediaDecode(ddiDecodeAttr){}; 48 49 //! 50 //! \brief Destructor 51 //! ~DdiDecodeHEVC()52 virtual ~DdiDecodeHEVC(){}; 53 54 // inherited virtual functions 55 virtual void DestroyContext( 56 VADriverContextP ctx) override; 57 58 virtual VAStatus RenderPicture( 59 VADriverContextP ctx, 60 VAContextID context, 61 VABufferID *buffers, 62 int32_t numBuffers) override; 63 64 virtual MOS_FORMAT GetFormat() override; 65 66 virtual VAStatus SetDecodeParams() override; 67 68 virtual void ContextInit( 69 int32_t picWidth, 70 int32_t picHeight) override; 71 72 virtual VAStatus CodecHalInit( 73 DDI_MEDIA_CONTEXT *mediaCtx, 74 void *ptr) override; 75 76 virtual VAStatus AllocSliceControlBuffer( 77 DDI_MEDIA_BUFFER *buf) override; 78 79 virtual uint8_t* GetPicParamBuf( 80 DDI_CODEC_COM_BUFFER_MGR *bufMgr) override; 81 82 protected: 83 //! 84 //! \brief ParaSliceParam for HEVC 85 //! \details parse the sliceParam info required by HEVC decoding for 86 //! each slice 87 //! 88 //! \param [in] *mediaCtx 89 //! DDI_MEDIA_CONTEXT 90 //! \param [in] *slcParam 91 //! VASliceParameterBufferHEVC 92 //! \param [in] numSlices 93 //! uint32_t 94 //! 95 //! \return VA_STATUS_SUCCESS is returned if it is parsed successfully. 96 //! else fail reason 97 virtual VAStatus ParseSliceParams( 98 DDI_MEDIA_CONTEXT *mediaCtx, 99 VASliceParameterBufferHEVC *slcParam, 100 uint32_t numSlices); 101 102 //! 103 //! \brief ParseIQMatrixParam for HEVC 104 //! \details parse the QMatrix info required by HEVC decoding 105 //! 106 //! \param [in] *mediaCtx 107 //! DDI_MEDIA_CONTEXT 108 //! \param [in] *qMatrix 109 //! VAIQMatrixBufferHEVC 110 //! 111 //! \return VA_STATUS_SUCCESS is returned if it is parsed successfully. 112 //! else fail reason 113 VAStatus ParseIQMatrix( 114 DDI_MEDIA_CONTEXT *mediaCtx, 115 VAIQMatrixBufferHEVC *matrix); 116 117 //! \brief ParsePicParam for HEVC 118 //! \details parse the PicParam info required by HEVC decoding 119 //! 120 //! \param [in] *mediaCtx 121 //! DDI_MEDIA_CONTEXT 122 //! \param [in] *qMatrix 123 //! VAIQMatrixBufferH264 124 //! 125 //! \return VA_STATUS_SUCCESS is returned if it is parsed successfully. 126 //! else fail reason 127 virtual VAStatus ParsePicParams( 128 DDI_MEDIA_CONTEXT *mediaCtx, 129 VAPictureParameterBufferHEVC *picParam); 130 131 //! \brief Alloc SliceParam content for HEVC 132 //! \details Alloc/resize SlicePram content for HEVC decoding 133 //! 134 //! \param [in] numSlices 135 //! uint32_t the required number of slices 136 //! 137 //! \return VA_STATUS_SUCCESS is returned if it is parsed successfully. 138 //! else fail reason 139 virtual VAStatus AllocSliceParamContext( 140 uint32_t numSlices); 141 142 //! \brief Init Resource buffer for HEVC 143 //! \details Initialize and allocate the Resource buffer for HEVC 144 //! 145 //! \return VA_STATUS_SUCCESS is returned if it is parsed successfully. 146 //! else fail reason 147 virtual VAStatus InitResourceBuffer(); 148 149 //! \brief Free Resource buffer for HEVC 150 //! 151 virtual void FreeResourceBuffer(); 152 153 //! 154 //! \brief Setup Codec Picture for Hevc 155 //! 156 //! \param [in] mediaCtx 157 //! Pointer to DDI_MEDIA_CONTEXT 158 //! \param [in] rtTbl 159 //! Pointer to DDI_CODEC_RENDER_TARGET_TABLE 160 //! \param [in] vaPic 161 //! HEVC VAPicture structure 162 //! \param [in] fieldPicFlag 163 //! Field picture flag 164 //! \param [in] bottomFieldFlag 165 //! Bottom field flag 166 //! \param [in] picReference 167 //! Reference picture flag 168 //! \param [out] codecHalPic 169 //! Pointer to CODEC_PICTURE 170 //! 171 //! \return void 172 //! 173 void SetupCodecPicture( 174 DDI_MEDIA_CONTEXT *mediaCtx, 175 DDI_CODEC_RENDER_TARGET_TABLE *rtTbl, 176 CODEC_PICTURE *codecHalPic, 177 VAPictureHEVC vaPic, 178 bool fieldPicFlag, 179 bool bottomFieldFlag, 180 bool picReference); 181 }; 182 183 #endif /* _MEDIA_DDI_DECODE_HEVC_H */ 184