random-mirrors/winamp
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity
5b91e3f697
winamp/Src/h264dec/ldecod/inc/mbuffer.h

236 lines
8.3 KiB
C
Raw Normal View History

Initial community commit
2024-09-24 13:54:57 +01:00
/*!
***********************************************************************
* \file
* mbuffer.h
*
* \brief
* Frame buffer functions
*
* \author
* Main contributors (see contributors.h for copyright, address and affiliation details)
* - Karsten S<EFBFBD>hring <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"
#include <bfc/platform/types.h>
#define MAX_LIST_SIZE 33
//! definition of pic motion parameters
typedef struct pic_motion_params
{
PicMotion **motion[2];
h264_ref_t ***field_references;
byte * mb_field; //!< field macroblock indicator
byte ** field_frame; //!< indicates if co_located is field or frame.
int padding[1];
} PicMotionParams;
typedef struct video_image
{
imgpel **img;
imgpel *base_address;
size_t stride;
struct video_image *next; // for the memory cacher
} VideoImage;
//! definition a picture (field or frame)
typedef struct storable_picture
{
PictureStructure structure;
int poc;
int top_poc;
int bottom_poc;
int frame_poc;
h264_ref_t ref_pic_num [MAX_NUM_SLICES][6][MAX_LIST_SIZE];
h264_ref_t frm_ref_pic_num [MAX_NUM_SLICES][6][MAX_LIST_SIZE];
h264_ref_t top_ref_pic_num [MAX_NUM_SLICES][6][MAX_LIST_SIZE];
h264_ref_t 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;
byte 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 mb_aff_frame_flag;
unsigned PicWidthInMbs;
unsigned PicSizeInMbs;
//imgpel ** imgY; //!< Y picture component
union
{
VideoImage *plane_images[3]; // to ensure array alignment
struct
{
VideoImage *imgY;
VideoImage *imgUV[2]; //!< U and V picture components
};
};
struct pic_motion_params motion; //!< Motion info
struct pic_motion_params 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
int retain_count; // benski> we're going to reference count these things
uint64_t time_code; // user-passed timecode for this frame
} StorablePicture;
//! 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
{
VideoParameters *p_Vid;
InputParameters *p_Inp;
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 void init_dpb(VideoParameters *p_Vid);
extern void free_dpb(VideoParameters *p_Vid);
extern FrameStore* alloc_frame_store(void);
extern void free_frame_store(VideoParameters *p_Vid, FrameStore* f);
extern StorablePicture* alloc_storable_picture(VideoParameters *p_Vid, PictureStructure type, int size_x, int size_y, int size_x_cr, int size_y_cr);
extern void free_storable_picture(VideoParameters *p_Vid, StorablePicture* p);
extern void store_picture_in_dpb(VideoParameters *p_Vid, StorablePicture* p);
extern void flush_dpb(VideoParameters *p_Vid);
extern void dpb_split_field (VideoParameters *p_Vid, FrameStore *fs);
extern void dpb_combine_field(VideoParameters *p_Vid, FrameStore *fs);
extern void dpb_combine_field_yuv(VideoParameters *p_Vid, FrameStore *fs);
extern void init_lists (Slice *currSlice);
extern void reorder_ref_pic_list(VideoParameters *p_Vid, StorablePicture **list, char *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);
extern void init_mbaff_lists(VideoParameters *p_Vid);
extern void alloc_ref_pic_list_reordering_buffer(Slice *currSlice);
extern void free_ref_pic_list_reordering_buffer(Slice *currSlice);
extern void fill_frame_num_gap(VideoParameters *p_Vid);
extern ColocatedParams* alloc_colocated(VideoParameters *p_Vid, int size_x, int size_y,int mb_adaptive_frame_field_flag);
extern void free_colocated(VideoParameters *p_Vid, ColocatedParams* p);
extern void compute_colocated (Slice *currSlice, ColocatedParams* p, StorablePicture **listX[6]);
extern void compute_colocated_frames_mbs (Slice *currSlice, ColocatedParams* p, StorablePicture **listX[6]);
// For 4:4:4 independent mode
extern void compute_colocated_JV ( Slice *currSlice, ColocatedParams* p, StorablePicture **listX[6]);
extern void copy_storable_param_JV( VideoParameters *p_Vid, PicMotionParams *JVplane, PicMotionParams *motion );
// benski> decoded output pictures
void out_storable_picture_get(VideoParameters *img, StorablePicture **pic);
void out_storable_picture_add(VideoParameters *img, StorablePicture *pic);
void out_storable_pictures_init(VideoParameters *img, size_t count);
void out_storable_pictures_destroy(VideoParameters *img);
#endif
Reference in New Issue Copy Permalink