explicit_gop.c File Reference

Code for explicit gop support and hierarchical coding. More...

#include "contributors.h"
#include <ctype.h>
#include <limits.h>
#include "global.h"
#include "explicit_gop.h"
#include "image.h"
#include "nalucommon.h"
#include "report.h"

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Functions
void	create_hierarchy (InputParameters *pparams)
void	init_gop_structure (InputParameters *pparams)
void	clear_gop_structure (void)
void	interpret_gop_structure ()
void	poc_based_ref_management_frame_pic (int current_pic_num)
void	poc_based_ref_management_field_pic (int current_pic_num)

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Detailed Description

Code for explicit gop support and hierarchical coding.

Author:

Main contributors (see contributors.h for copyright, address and affiliation details)

• Alexis Michael Tourapis <alexismt@ieee.org>

Definition in file explicit_gop.c.

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Function Documentation

void clear_gop_structure

(

void

)

Clear GOP structure.

Definition at line 142 of file explicit_gop.c.

Referenced by free_encoder_memory(), and prepare_first_layer().

void create_hierarchy

(

InputParameters *

pparams

)

Generation of hierarchical GOP.

Definition at line 31 of file explicit_gop.c.

References GOP_DATA::display_no, ImageParameters::GopLevels, InputParameters::HierarchicalCoding, GOP_DATA::hierarchy_layer, InputParameters::HierarchyLevelQPEnable, no_mem_exit(), InputParameters::NumberBFrames, InputParameters::PReplaceBSlice, InputParameters::qp, InputParameters::qpBRSOffset, GOP_DATA::reference_idc, GOP_DATA::slice_qp, and GOP_DATA::slice_type.

Referenced by init_encoder(), and prepare_first_layer().

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void init_gop_structure

(

InputParameters *

pparams

)

Initialization of GOP structure.

Definition at line 126 of file explicit_gop.c.

References no_mem_exit(), and InputParameters::NumberBFrames.

Referenced by init_encoder(), and prepare_first_layer().

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void interpret_gop_structure

(

void

)

Interpret GOP struct from input parameters.

First lets read slice type

Next is Display Order

Definition at line 155 of file explicit_gop.c.

References ImageParameters::bitdepth_luma_qp_scale, GOP_DATA::display_no, error(), errortext, ET_SIZE, InputParameters::ExplicitHierarchyFormat, ImageParameters::GopLevels, GOP_DATA::hierarchy_layer, InputParameters::NumberBFrames, InputParameters::qp, GOP_DATA::reference_idc, GOP_DATA::slice_qp, and GOP_DATA::slice_type.

Referenced by init_encoder().

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void poc_based_ref_management_field_pic

(

int

current_pic_num

)

POC-based reference management (FIELD).

Definition at line 339 of file explicit_gop.c.

References frame_store::bottom_field, ImageParameters::dec_ref_pic_marking_buffer, DecRefPicMarking_s::difference_of_pic_nums_minus1, decoded_picture_buffer::fs, frame_store::is_long_term, frame_store::is_reference, decoded_picture_buffer::ltref_frames_in_buffer, DecRefPicMarking_s::memory_management_control_operation, DecRefPicMarking_s::Next, no_mem_exit(), storable_picture::pic_num, frame_store::poc, decoded_picture_buffer::ref_frames_in_buffer, ImageParameters::structure, frame_store::top_field, and decoded_picture_buffer::used_size.

Referenced by init_slice().

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void poc_based_ref_management_frame_pic

(

int

current_pic_num

)

POC-based reference management (FRAME).

Definition at line 295 of file explicit_gop.c.

References ImageParameters::dec_ref_pic_marking_buffer, DecRefPicMarking_s::difference_of_pic_nums_minus1, frame_store::frame, decoded_picture_buffer::fs, frame_store::is_long_term, frame_store::is_reference, decoded_picture_buffer::ltref_frames_in_buffer, DecRefPicMarking_s::memory_management_control_operation, DecRefPicMarking_s::Next, no_mem_exit(), storable_picture::pic_num, storable_picture::poc, frame_store::poc, decoded_picture_buffer::ref_frames_in_buffer, and decoded_picture_buffer::used_size.

Referenced by init_slice().

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