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Jef
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Src/h264dec/ldecod/inc/mbuffer.h
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235
Src/h264dec/ldecod/inc/mbuffer.h
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/*!
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***********************************************************************
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* \file
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* mbuffer.h
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*
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* \brief
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* Frame buffer functions
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*
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* \author
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* Main contributors (see contributors.h for copyright, address and affiliation details)
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* - Karsten S<>hring <suehring@hhi.de>
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* - Alexis Michael Tourapis <alexismt@ieee.org>
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* - Jill Boyce <jill.boyce@thomson.net>
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* - Saurav K Bandyopadhyay <saurav@ieee.org>
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* - Zhenyu Wu <Zhenyu.Wu@thomson.net
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* - Purvin Pandit <Purvin.Pandit@thomson.net>
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*
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***********************************************************************
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*/
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#ifndef _MBUFFER_H_
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#define _MBUFFER_H_
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#include "global.h"
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#include <bfc/platform/types.h>
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#define MAX_LIST_SIZE 33
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//! definition of pic motion parameters
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typedef struct pic_motion_params
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{
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PicMotion **motion[2];
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h264_ref_t ***field_references;
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byte * mb_field; //!< field macroblock indicator
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byte ** field_frame; //!< indicates if co_located is field or frame.
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int padding[1];
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} PicMotionParams;
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typedef struct video_image
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{
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imgpel **img;
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imgpel *base_address;
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size_t stride;
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struct video_image *next; // for the memory cacher
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} VideoImage;
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//! definition a picture (field or frame)
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typedef struct storable_picture
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{
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PictureStructure structure;
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int poc;
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int top_poc;
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int bottom_poc;
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int frame_poc;
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h264_ref_t ref_pic_num [MAX_NUM_SLICES][6][MAX_LIST_SIZE];
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h264_ref_t frm_ref_pic_num [MAX_NUM_SLICES][6][MAX_LIST_SIZE];
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h264_ref_t top_ref_pic_num [MAX_NUM_SLICES][6][MAX_LIST_SIZE];
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h264_ref_t bottom_ref_pic_num [MAX_NUM_SLICES][6][MAX_LIST_SIZE];
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unsigned frame_num;
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unsigned recovery_frame;
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int pic_num;
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int long_term_pic_num;
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int long_term_frame_idx;
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byte is_long_term;
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int used_for_reference;
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int is_output;
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int non_existing;
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short max_slice_id;
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int size_x, size_y, size_x_cr, size_y_cr;
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int size_x_m1, size_y_m1, size_x_cr_m1, size_y_cr_m1;
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int chroma_vector_adjustment;
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int coded_frame;
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int mb_aff_frame_flag;
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unsigned PicWidthInMbs;
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unsigned PicSizeInMbs;
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//imgpel ** imgY; //!< Y picture component
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union
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{
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VideoImage *plane_images[3]; // to ensure array alignment
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struct
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{
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VideoImage *imgY;
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VideoImage *imgUV[2]; //!< U and V picture components
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};
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};
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struct pic_motion_params motion; //!< Motion info
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struct pic_motion_params JVmotion[MAX_PLANE]; //!< Motion info for 4:4:4 independent mode decoding
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short ** slice_id; //!< reference picture [mb_x][mb_y]
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struct storable_picture *top_field; // for mb aff, if frame for referencing the top field
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struct storable_picture *bottom_field; // for mb aff, if frame for referencing the bottom field
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struct storable_picture *frame; // for mb aff, if field for referencing the combined frame
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int slice_type;
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int idr_flag;
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int no_output_of_prior_pics_flag;
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int long_term_reference_flag;
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int adaptive_ref_pic_buffering_flag;
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int chroma_format_idc;
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int frame_mbs_only_flag;
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int frame_cropping_flag;
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int frame_cropping_rect_left_offset;
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int frame_cropping_rect_right_offset;
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int frame_cropping_rect_top_offset;
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int frame_cropping_rect_bottom_offset;
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int qp;
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int chroma_qp_offset[2];
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int slice_qp_delta;
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DecRefPicMarking_t *dec_ref_pic_marking_buffer; //!< stores the memory management control operations
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// picture error concealment
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int concealed_pic; //indicates if this is a concealed picture
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// variables for tone mapping
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int seiHasTone_mapping;
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int tone_mapping_model_id;
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int tonemapped_bit_depth;
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imgpel* tone_mapping_lut; //!< tone mapping look up table
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int retain_count; // benski> we're going to reference count these things
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uint64_t time_code; // user-passed timecode for this frame
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} StorablePicture;
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//! definition a picture (field or frame)
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typedef struct colocated_params
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{
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int mb_adaptive_frame_field_flag;
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int size_x, size_y;
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byte is_long_term;
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MotionParams frame;
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MotionParams top;
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MotionParams bottom;
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} ColocatedParams;
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//! Frame Stores for Decoded Picture Buffer
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typedef struct frame_store
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{
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int is_used; //!< 0=empty; 1=top; 2=bottom; 3=both fields (or frame)
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int is_reference; //!< 0=not used for ref; 1=top used; 2=bottom used; 3=both fields (or frame) used
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int is_long_term; //!< 0=not used for ref; 1=top used; 2=bottom used; 3=both fields (or frame) used
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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
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int is_non_existent;
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unsigned frame_num;
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unsigned recovery_frame;
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int frame_num_wrap;
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int long_term_frame_idx;
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int is_output;
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int poc;
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// picture error concealment
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int concealment_reference;
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StorablePicture *frame;
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StorablePicture *top_field;
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StorablePicture *bottom_field;
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} FrameStore;
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//! Decoded Picture Buffer
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typedef struct decoded_picture_buffer
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{
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VideoParameters *p_Vid;
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InputParameters *p_Inp;
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FrameStore **fs;
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FrameStore **fs_ref;
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FrameStore **fs_ltref;
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unsigned size;
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unsigned used_size;
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unsigned ref_frames_in_buffer;
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unsigned ltref_frames_in_buffer;
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int last_output_poc;
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int max_long_term_pic_idx;
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int init_done;
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int num_ref_frames;
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FrameStore *last_picture;
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} DecodedPictureBuffer;
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extern void init_dpb(VideoParameters *p_Vid);
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extern void free_dpb(VideoParameters *p_Vid);
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extern FrameStore* alloc_frame_store(void);
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extern void free_frame_store(VideoParameters *p_Vid, FrameStore* f);
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extern StorablePicture* alloc_storable_picture(VideoParameters *p_Vid, PictureStructure type, int size_x, int size_y, int size_x_cr, int size_y_cr);
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extern void free_storable_picture(VideoParameters *p_Vid, StorablePicture* p);
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extern void store_picture_in_dpb(VideoParameters *p_Vid, StorablePicture* p);
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extern void flush_dpb(VideoParameters *p_Vid);
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extern void dpb_split_field (VideoParameters *p_Vid, FrameStore *fs);
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extern void dpb_combine_field(VideoParameters *p_Vid, FrameStore *fs);
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extern void dpb_combine_field_yuv(VideoParameters *p_Vid, FrameStore *fs);
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extern void init_lists (Slice *currSlice);
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extern void reorder_ref_pic_list(VideoParameters *p_Vid, StorablePicture **list, char *list_size,
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int num_ref_idx_lX_active_minus1, int *reordering_of_pic_nums_idc,
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int *abs_diff_pic_num_minus1, int *long_term_pic_idx);
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extern void init_mbaff_lists(VideoParameters *p_Vid);
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extern void alloc_ref_pic_list_reordering_buffer(Slice *currSlice);
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extern void free_ref_pic_list_reordering_buffer(Slice *currSlice);
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extern void fill_frame_num_gap(VideoParameters *p_Vid);
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extern ColocatedParams* alloc_colocated(VideoParameters *p_Vid, int size_x, int size_y,int mb_adaptive_frame_field_flag);
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extern void free_colocated(VideoParameters *p_Vid, ColocatedParams* p);
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extern void compute_colocated (Slice *currSlice, ColocatedParams* p, StorablePicture **listX[6]);
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extern void compute_colocated_frames_mbs (Slice *currSlice, ColocatedParams* p, StorablePicture **listX[6]);
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// For 4:4:4 independent mode
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extern void compute_colocated_JV ( Slice *currSlice, ColocatedParams* p, StorablePicture **listX[6]);
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extern void copy_storable_param_JV( VideoParameters *p_Vid, PicMotionParams *JVplane, PicMotionParams *motion );
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// benski> decoded output pictures
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void out_storable_picture_get(VideoParameters *img, StorablePicture **pic);
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void out_storable_picture_add(VideoParameters *img, StorablePicture *pic);
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void out_storable_pictures_init(VideoParameters *img, size_t count);
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void out_storable_pictures_destroy(VideoParameters *img);
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#endif
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