English
mbuffer.h
资源名称：chapter15.rar [点击查看]
上传用户：hjq518
上传日期：2021-12-09
资源大小：5084k
文件大小：8k
源码类别：
Audio
开发平台：
Visual C++
- /*!
- ***********************************************************************
- * file
- * mbuffer.h
- *
- * brief
- * Frame buffer functions
- *
- * author
- * Main contributors (see contributors.h for copyright, address and affiliation details)
- * - Karsten S黨ring <suehring@hhi.de>
- * - Alexis Michael Tourapis <alexismt@ieee.org>
- * - Jill Boyce <jill.boyce@thomson.net>
- * - Saurav K Bandyopadhyay <saurav@ieee.org>
- * - Zhenyu Wu <Zhenyu.Wu@thomson.net
- * - Purvin Pandit <Purvin.Pandit@thomson.net>
- *
- ***********************************************************************
- */
- #ifndef _MBUFFER_H_
- #define _MBUFFER_H_
- #include "global.h"
- #define MAX_LIST_SIZE 33
- //! definition of pic motion parameters
- typedef struct pic_motion_params
- {
- int64 *** ref_pic_id; //!< reference picture identifier [list][subblock_y][subblock_x]
- int64 *** ref_id; //!< reference picture identifier [list][subblock_y][subblock_x]
- short **** mv; //!< motion vector [list][subblock_x][subblock_y][component]
- char *** ref_idx; //!< reference picture [list][subblock_y][subblock_x]
- byte * mb_field; //!< field macroblock indicator
- byte ** field_frame; //!< indicates if co_located is field or frame.
- } PicMotionParams;
- //! definition a picture (field or frame)
- typedef struct storable_picture
- {
- PictureStructure structure;
- int poc;
- int top_poc;
- int bottom_poc;
- int frame_poc;
- int64 ref_pic_num [MAX_NUM_SLICES][6][MAX_LIST_SIZE];
- int64 frm_ref_pic_num [MAX_NUM_SLICES][6][MAX_LIST_SIZE];
- int64 top_ref_pic_num [MAX_NUM_SLICES][6][MAX_LIST_SIZE];
- int64 bottom_ref_pic_num [MAX_NUM_SLICES][6][MAX_LIST_SIZE];
- unsigned frame_num;
- unsigned recovery_frame;
- int pic_num;
- int long_term_pic_num;
- int long_term_frame_idx;
- int is_long_term;
- int used_for_reference;
- int is_output;
- int non_existing;
- short max_slice_id;
- int size_x, size_y, size_x_cr, size_y_cr;
- int size_x_m1, size_y_m1, size_x_cr_m1, size_y_cr_m1;
- int chroma_vector_adjustment;
- int coded_frame;
- int MbaffFrameFlag;
- unsigned PicWidthInMbs;
- unsigned PicSizeInMbs;
- imgpel ** imgY; //!< Y picture component
- imgpel *** imgUV; //!< U and V picture components
- PicMotionParams motion; //!< Motion info
- PicMotionParams JVmotion[MAX_PLANE]; //!< Motion info for 4:4:4 independent mode decoding
- short ** slice_id; //!< reference picture [mb_x][mb_y]
- struct storable_picture *top_field; // for mb aff, if frame for referencing the top field
- struct storable_picture *bottom_field; // for mb aff, if frame for referencing the bottom field
- struct storable_picture *frame; // for mb aff, if field for referencing the combined frame
- int slice_type;
- int idr_flag;
- int no_output_of_prior_pics_flag;
- int long_term_reference_flag;
- int adaptive_ref_pic_buffering_flag;
- int chroma_format_idc;
- int frame_mbs_only_flag;
- int frame_cropping_flag;
- int frame_cropping_rect_left_offset;
- int frame_cropping_rect_right_offset;
- int frame_cropping_rect_top_offset;
- int frame_cropping_rect_bottom_offset;
- int qp;
- int chroma_qp_offset[2];
- int slice_qp_delta;
- DecRefPicMarking_t *dec_ref_pic_marking_buffer; //!< stores the memory management control operations
- // picture error concealment
- int concealed_pic; //indicates if this is a concealed picture
- // variables for tone mapping
- int seiHasTone_mapping;
- int tone_mapping_model_id;
- int tonemapped_bit_depth;
- imgpel* tone_mapping_lut; //!< tone mapping look up table
- } StorablePicture;
- //! definition of motion parameters
- typedef struct motion_params
- {
- int64 *** ref_pic_id; //!< reference picture identifier [list][subblock_y][subblock_x]
- short **** mv; //!< motion vector [list][subblock_x][subblock_y][component]
- char *** ref_idx; //!< reference picture [list][subblock_y][subblock_x]
- byte ** moving_block;
- } MotionParams;
- //! definition a picture (field or frame)
- typedef struct colocated_params
- {
- int mb_adaptive_frame_field_flag;
- int size_x, size_y;
- byte is_long_term;
- MotionParams frame;
- MotionParams top;
- MotionParams bottom;
- } ColocatedParams;
- //! Frame Stores for Decoded Picture Buffer
- typedef struct frame_store
- {
- int is_used; //!< 0=empty; 1=top; 2=bottom; 3=both fields (or frame)
- int is_reference; //!< 0=not used for ref; 1=top used; 2=bottom used; 3=both fields (or frame) used
- int is_long_term; //!< 0=not used for ref; 1=top used; 2=bottom used; 3=both fields (or frame) used
- int is_orig_reference; //!< original marking by nal_ref_idc: 0=not used for ref; 1=top used; 2=bottom used; 3=both fields (or frame) used
- int is_non_existent;
- unsigned frame_num;
- unsigned recovery_frame;
- int frame_num_wrap;
- int long_term_frame_idx;
- int is_output;
- int poc;
- // picture error concealment
- int concealment_reference;
- StorablePicture *frame;
- StorablePicture *top_field;
- StorablePicture *bottom_field;
- } FrameStore;
- //! Decoded Picture Buffer
- typedef struct decoded_picture_buffer
- {
- FrameStore **fs;
- FrameStore **fs_ref;
- FrameStore **fs_ltref;
- unsigned size;
- unsigned used_size;
- unsigned ref_frames_in_buffer;
- unsigned ltref_frames_in_buffer;
- int last_output_poc;
- int max_long_term_pic_idx;
- int init_done;
- int num_ref_frames;
- FrameStore *last_picture;
- } DecodedPictureBuffer;
- extern DecodedPictureBuffer dpb;
- extern StorablePicture **listX[6];
- extern int listXsize[6];
- void init_dpb(void);
- void free_dpb(void);
- FrameStore* alloc_frame_store(void);
- void free_frame_store(FrameStore* f);
- StorablePicture* alloc_storable_picture(PictureStructure type, int size_x, int size_y, int size_x_cr, int size_y_cr);
- void free_storable_picture(StorablePicture* p);
- void store_picture_in_dpb(StorablePicture* p);
- void flush_dpb(void);
- void dpb_split_field(FrameStore *fs);
- void dpb_combine_field(FrameStore *fs);
- void dpb_combine_field_yuv(FrameStore *fs);
- void init_lists(int currSliceType, PictureStructure currPicStructure);
- void reorder_ref_pic_list(StorablePicture **list, int *list_size,
- int num_ref_idx_lX_active_minus1, int *reordering_of_pic_nums_idc,
- int *abs_diff_pic_num_minus1, int *long_term_pic_idx);
- void init_mbaff_lists(void);
- void alloc_ref_pic_list_reordering_buffer(Slice *currSlice);
- void free_ref_pic_list_reordering_buffer(Slice *currSlice);
- void fill_frame_num_gap(ImageParameters *img);
- ColocatedParams* alloc_colocated(int size_x, int size_y,int mb_adaptive_frame_field_flag);
- void free_colocated(ColocatedParams* p);
- void compute_colocated(ColocatedParams* p, StorablePicture **listX[6]);
- // For 4:4:4 independent mode
- void compute_colocated_JV(ColocatedParams* p, StorablePicture **listX[6]);
- void copy_storable_param_JV( PicMotionParams *JVplane, PicMotionParams *motion );
- #endif
