1 /* 2 * Copyright (c) 2021, 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 decode_mpeg2_reference_frames.h 24 //! \brief Defines reference list related logic for mpeg2 decode 25 //! 26 #ifndef __DECODE_MPEG2_REFERENCE_FRAMES_H__ 27 #define __DECODE_MPEG2_REFERENCE_FRAMES_H__ 28 29 #include "codec_def_decode_mpeg2.h" 30 #include "mhw_vdbox.h" 31 #include "decode_allocator.h" 32 33 namespace decode 34 { 35 class Mpeg2BasicFeature; 36 37 class Mpeg2ReferenceFrames 38 { 39 public: 40 //! 41 //! \brief Mpeg2ReferenceFrames constructor 42 //! 43 Mpeg2ReferenceFrames(); 44 45 //! 46 //! \brief Mpeg2ReferenceFrames deconstructor 47 //! 48 ~Mpeg2ReferenceFrames(); 49 50 //! 51 //! \brief Init Mpeg2 reference frames 52 //! \param [in] basicFeature 53 //! Pointer to Mpeg2 basic feature 54 //! \return MOS_STATUS 55 //! MOS_STATUS_SUCCESS if success, else fail reason 56 //! 57 MOS_STATUS Init(Mpeg2BasicFeature *basicFeature, DecodeAllocator& allocator); 58 59 //! 60 //! \brief Update reference frames for picture 61 //! \param [in] picParams 62 //! Picture parameters 63 //! \return MOS_STATUS 64 //! MOS_STATUS_SUCCESS if success, else fail reason 65 //! 66 MOS_STATUS UpdatePicture(CodecDecodeMpeg2PicParams &picParams); 67 68 //! 69 //! \brief Update current resource for reference list 70 //! \param [in] picParams 71 //! Picture parameters 72 //! \return MOS_STATUS 73 //! MOS_STATUS_SUCCESS if success, else fail reason 74 //! 75 MOS_STATUS UpdateCurResource(const CodecDecodeMpeg2PicParams &picParams); 76 77 PCODEC_REF_LIST m_refList[CODECHAL_NUM_UNCOMPRESSED_SURFACE_MPEG2]; //!< Pointer to reference list 78 79 protected: 80 //! 81 //! \brief Update the current frame entry on m_refList 82 //! \param [in] picParams 83 //! Picture parameters 84 //! \return MOS_STATUS 85 //! MOS_STATUS_SUCCESS if success, else fail reason 86 //! 87 MOS_STATUS UpdateCurFrame(const CodecDecodeMpeg2PicParams &picParams); 88 89 //! 90 //! \brief Update the reference list for current frame 91 //! \param [in] picParams 92 //! Picture parameters 93 //! \return MOS_STATUS 94 //! MOS_STATUS_SUCCESS if success, else fail reason 95 //! 96 MOS_STATUS UpdateCurRefList(const CodecDecodeMpeg2PicParams &picParams); 97 98 Mpeg2BasicFeature* m_basicFeature = nullptr; //!< MPEG2 basic feature 99 DecodeAllocator* m_allocator = nullptr; //!< Decode allocator 100 std::vector<uint8_t> m_activeReferenceList; //!< Active reference list of current picture 101 102 MEDIA_CLASS_DEFINE_END(decode__Mpeg2ReferenceFrames) 103 }; 104 105 } // namespace decode 106 107 #endif // !__DECODE_MPEG2_REFERENCE_FRAMES_H__ 108