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[/] [bluespec-h264/] [trunk/] [test/] [decoder/] [ldecod/] [inc/] [mbuffer.h] - Rev 100
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/*! *********************************************************************** * \file * mbuffer.h * * \brief * Frame buffer functions * * \author * Main contributors (see contributors.h for copyright, address and affiliation details) * - Karsten Sühring <suehring@hhi.de> * - 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 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 byte * mb_field; //!< field macroblock indicator short ** slice_id; //!< reference picture [mb_x][mb_y] char *** ref_idx; //!< reference picture [list][subblock_y][subblock_x] int64 *** ref_pic_id; //!< reference picture identifier [list][subblock_y][subblock_x] // (not simply index) int64 *** ref_id; //!< reference picture identifier [list][subblock_y][subblock_x] // (not simply index) short **** mv; //!< motion vector [list][subblock_y][subblock_x][component] byte ** moving_block; byte ** field_frame; //!< indicates if co_located is field or frame. 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 picutre } StorablePicture; //! definition a picture (field or frame) typedef struct colocated_params { int mb_adaptive_frame_field_flag; int size_x, size_y; int64 ref_pic_num[6][MAX_LIST_SIZE]; char *** ref_idx; //!< reference picture [list][subblock_y][subblock_x] int64 *** ref_pic_id; //!< reference picture identifier [list][subblock_y][subblock_x] short **** mv; //!< motion vector [list][subblock_y][subblock_x][component] byte ** moving_block; // Top field params int64 top_ref_pic_num[6][MAX_LIST_SIZE]; char *** top_ref_idx; //!< reference picture [list][subblock_y][subblock_x] int64 *** top_ref_pic_id; //!< reference picture identifier [list][subblock_y][subblock_x] short **** top_mv; //!< motion vector [list][subblock_y][subblock_x][component] byte ** top_moving_block; // Bottom field params int64 bottom_ref_pic_num[6][MAX_LIST_SIZE]; char *** bottom_ref_idx; //!< reference picture [list][subblock_y][subblock_x] int64 *** bottom_ref_pic_id; //!< reference picture identifier [list][subblock_y][subblock_x] short **** bottom_mv; //!< motion vector [list][subblock_y][subblock_x][component] byte ** bottom_moving_block; byte is_long_term; byte ** field_frame; //!< indicates if co_located is field or frame. } 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 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]); #endif