mbuffer.c File Reference

Frame buffer functions. More...

#include <limits.h>
#include "global.h"
#include "mbuffer.h"
#include "memalloc.h"
#include "output.h"
#include "image.h"
#include "nalucommon.h"
#include "img_luma.h"
#include "img_chroma.h"

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Detailed Description

Frame buffer functions.

mbuffer.c

Author:

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

Karsten Sühring <suehring@hhi.de>
Alexis Tourapis <alexismt@ieee.org>

Definition in file mbuffer.c.

Function Documentation

static void adaptive_memory_management	(	DecodedPictureBuffer *	p_Dpb,
		StorablePicture *	p,
		FrameFormat *	output
	)			`[static]`

Perform Adaptive memory control decoded reference picture marking process.

Definition at line 2332 of file mbuffer.c.

References img_par::bottompoc, check_num_ref(), img_par::currentPicture, error(), flush_dpb(), img_par::framepoc, mm_assign_long_term_frame_idx(), mm_mark_current_picture_long_term(), mm_unmark_all_long_term_for_reference(), mm_unmark_all_short_term_for_reference(), mm_unmark_long_term_for_reference(), mm_unmark_short_term_for_reference(), mm_update_max_long_term_frame_idx(), img_par::ThisPOC, img_par::toppoc, update_ltref_list(), and update_ref_list().

Referenced by store_picture_in_dpb().

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ColocatedParams* alloc_colocated	(	int	size_x,
		int	size_y,
		int	mb_adaptive_frame_field_flag
	)

Allocate co-located memory.

Parameters:

	size_x	horizontal luma size
	size_y	vertical luma size
	mb_adaptive_frame_field_flag	flag that indicates macroblock adaptive frame/field coding

Returns:: the allocated StorablePicture structure

Definition at line 3628 of file mbuffer.c.

References alloc_motion_params(), and no_mem_exit().

Referenced by init_slice().

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FrameStore* alloc_frame_store ( void )

Allocate memory for decoded picture buffer frame stores and initialize with sane values.

Returns:: the allocated FrameStore structure

Definition at line 303 of file mbuffer.c.

References frame_store::is_long_term, frame_store::is_orig_reference, frame_store::is_reference, frame_store::is_used, and no_mem_exit().

Referenced by idr_memory_management(), init_dpb(), and init_out_buffer().

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void alloc_motion_params	(	MotionParams *	ftype,
		int	size_y,
		int	size_x
	)

Allocate motion parameter memory for colocated structure.

Definition at line 3604 of file mbuffer.c.

References get_mem2D(), get_mem3D(), get_mem3Dint64(), get_mem4Dshort(), motion_params::mv, motion_params::ref_idx, and motion_params::ref_pic_id.

Referenced by alloc_colocated().

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void alloc_ref_pic_list_reordering_buffer ( Slice * currSlice )

Allocate memory for buffering of reference picture reordering commands.

Definition at line 3481 of file mbuffer.c.

References no_mem_exit(), and slice::slice_type.

Referenced by reorder_lists(), and wp_mcprec_reorder_lists().

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StorablePicture* alloc_storable_picture	(	ImageParameters *	p_Img,
		InputParameters *	p_Inp,
		PictureStructure	structure,
		int	size_x,
		int	size_y,
		int	size_x_cr,
		int	size_y_cr
	)

Allocate memory for a stored picture.

Parameters:

	p_Img	ImageParameters
	p_Inp	InputParameters
	structure	picture structure
	size_x	horizontal luma size
	size_y	vertical luma size
	size_x_cr	horizontal chroma size
	size_y_cr	vertical chroma size

Returns:: the allocated StorablePicture structure

Definition at line 372 of file mbuffer.c.

Referenced by dpb_combine_field_yuv(), dpb_split_field(), field_picture(), fill_frame_num_gap(), prepare_enc_frame_picture(), and write_unpaired_field().

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void check_num_ref	(	ImageParameters *	p_Img,
		DecodedPictureBuffer *	p_Dpb
	)

Check then number of frames marked "used for reference" and break if maximum is exceeded.

Definition at line 169 of file mbuffer.c.

References error(), and img_par::num_ref_frames.

Referenced by adaptive_memory_management(), and store_picture_in_dpb().

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static int compare_fs_by_frame_num_desc	(	const void *	arg1,
		const void *	arg2
	)			`[inline, static]`

compares two frame stores by pic_num for qsort in descending order

Definition at line 865 of file mbuffer.c.

Referenced by init_lists().

static int compare_fs_by_lt_pic_idx_asc	(	const void *	arg1,
		const void *	arg2
	)			`[inline, static]`

compares two frame stores by lt_pic_num for qsort in descending order

Definition at line 885 of file mbuffer.c.

Referenced by init_lists().

static int compare_fs_by_poc_asc	(	const void *	arg1,
		const void *	arg2
	)			`[inline, static]`

compares two frame stores by poc for qsort in ascending order

Definition at line 948 of file mbuffer.c.

Referenced by init_lists().

static int compare_fs_by_poc_desc	(	const void *	arg1,
		const void *	arg2
	)			`[inline, static]`

compares two frame stores by poc for qsort in descending order

Definition at line 969 of file mbuffer.c.

Referenced by init_lists().

static int compare_pic_by_lt_pic_num_asc	(	const void *	arg1,
		const void *	arg2
	)			`[inline, static]`

compares two stored pictures by picture number for qsort in descending order

Definition at line 845 of file mbuffer.c.

Referenced by init_lists().

static int compare_pic_by_pic_num_desc	(	const void *	arg1,
		const void *	arg2
	)			`[inline, static]`

compares two stored pictures by picture number for qsort in descending order

Definition at line 826 of file mbuffer.c.

Referenced by init_lists().

static int compare_pic_by_poc_asc	(	const void *	arg1,
		const void *	arg2
	)			`[inline, static]`

compares two stored pictures by poc for qsort in ascending order

Definition at line 906 of file mbuffer.c.

Referenced by init_lists().

static int compare_pic_by_poc_desc	(	const void *	arg1,
		const void *	arg2
	)			`[inline, static]`

compares two stored pictures by poc for qsort in descending order

Definition at line 927 of file mbuffer.c.

Referenced by init_lists().

void compute_colocated	(	Slice *	currSlice,
		ColocatedParams *	p,
		StorablePicture **	listX[6]
	)

Compute co-located motion info.

Assign frame buffers for field MBs Check whether we should use top or bottom field mvs. Depending on the assigned poc values.

Generate field MVs from Frame MVs

Do nothing if macroblock as field coded in MB-AFF

Use inference flag to remap mvs/references Frame with field co-located

Use inference flag to remap mvs/references

Definition at line 3709 of file mbuffer.c.

References slice::direct_spatial_mv_pred_flag, pic_motion_params::field_frame, storable_picture::motion, pic_motion_params::mv, motion_params::mv, pic_motion_params::ref_id, pic_motion_params::ref_idx, motion_params::ref_idx, and motion_params::ref_pic_id.

Referenced by init_slice().

void compute_colocated_JV	(	Slice *	currSlice,
		ColocatedParams *	p,
		StorablePicture **	listX[6]
	)

Compute co-located motion info for 4:4:4 Independent mode.

Assign frame buffers for field MBs Check whether we should use top or bottom field mvs. Depending on the assigned poc values.

Generate field MVs from Frame MVs

Do nothing if macroblock as field coded in MB-AFF

Use inference flag to remap mvs/references Frame with field co-located

Use inference flag to remap mvs/references

Definition at line 4108 of file mbuffer.c.

References img_par::colour_plane_id, slice::direct_spatial_mv_pred_flag, pic_motion_params::field_frame, storable_picture::JVmotion, storable_picture::motion, pic_motion_params::mv, motion_params::mv, pic_motion_params::ref_id, pic_motion_params::ref_idx, motion_params::ref_idx, and motion_params::ref_pic_id.

Referenced by init_slice().

void copy_storable_param_JV	(	ImageParameters *	p_Img,
		int	nplane,
		StorablePicture *	d,
		StorablePicture *	s
	)

Copy StorablePicture parameters for 4:4:4 Independent mode.

Definition at line 4507 of file mbuffer.c.

References img_par::height, storable_picture::JVmotion, storable_picture::motion, pic_motion_params::mv, pic_motion_params::ref_id, pic_motion_params::ref_idx, pic_motion_params::ref_pic_id, and img_par::width.

Referenced by make_frame_picture_JV().

void dpb_combine_field	(	ImageParameters *	p_Img,
		InputParameters *	p_Inp,
		FrameStore *	fs
	)

Generate a frame from top and bottom fields.

Use inference flag to remap mvs/references

Generate Frame parameters from field information.

association with id already known for fields.

need to make association with frames

Definition at line 3397 of file mbuffer.c.

References dpb_combine_field_yuv(), pic_motion_params::field_frame, storable_picture::motion, pic_motion_params::mv, pic_motion_params::ref_id, pic_motion_params::ref_idx, UnifiedOneForthPix(), and UnifiedOneForthPix_JV().

Referenced by insert_picture_in_dpb().

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void dpb_combine_field_yuv	(	ImageParameters *	p_Img,
		InputParameters *	p_Inp,
		FrameStore *	fs
	)

Generate a frame from top and bottom fields, YUV components and display information only.

Definition at line 3333 of file mbuffer.c.

References alloc_storable_picture(), storable_picture::imgUV, and storable_picture::imgY.

Referenced by direct_output(), dpb_combine_field(), and write_unpaired_field().

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void dpb_split_field	(	ImageParameters *	p_Img,
		InputParameters *	p_Inp,
		FrameStore *	fs
	)

Extract top field from a frame.

association with id already known for fields.

need to make association with frames

Generate field MVs from Frame MVs

Definition at line 3084 of file mbuffer.c.

References alloc_storable_picture(), pic_motion_params::field_frame, storable_picture::imgUV, storable_picture::imgY, pic_motion_params::mb_field, storable_picture::motion, pic_motion_params::mv, pic_motion_params::ref_id, pic_motion_params::ref_idx, UnifiedOneForthPix(), and UnifiedOneForthPix_JV().

Referenced by insert_picture_in_dpb(), and replace_top_pic_with_frame().

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void dump_dpb ( DecodedPictureBuffer * p_Dpb )

Print out list of pictures in DPB. Used for debug purposes.

Definition at line 47 of file mbuffer.c.

References frame_store::is_long_term, frame_store::is_reference, and frame_store::is_used.

Referenced by store_picture_in_dpb().

void fill_frame_num_gap	(	ImageParameters *	p_Img,
		InputParameters *	p_Inp,
		FrameFormat *	output
	)

Tian Dong June 13, 2002, Modifed on July 30, 2003.

If a gap in frame_num is found, try to fill the gap

Parameters:

	p_Img	ImageParameters structure
	p_Inp	InputParameters structure
	output	FrameFormat for ouput

Definition at line 3563 of file mbuffer.c.

References alloc_storable_picture(), img_par::frame_num, img_par::height, img_par::height_cr, store_picture_in_dpb(), img_par::width, and img_par::width_cr.

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void flush_dpb	(	ImageParameters *	p_Img,
		InputParameters *	p_Inp,
		FrameFormat *	output
	)

All stored picture are output. Should be called to empty the buffer.

Definition at line 3034 of file mbuffer.c.

References output_one_frame_from_dpb(), remove_unused_frame_from_dpb(), and unmark_for_reference().

Referenced by adaptive_memory_management(), error(), free_encoder_memory(), and idr_memory_management().

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void free_colocated ( ColocatedParams * p )

Free co-located memory.

Parameters:

p

Picture to be freed

Definition at line 3683 of file mbuffer.c.

References free_motion_params().

Referenced by free_slice().

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void free_dpb	(	ImageParameters *	p_Img,
		InputParameters *	p_Inp,
		DecodedPictureBuffer *	p_Dpb
	)

Free memory for decoded picture buffer.

Definition at line 259 of file mbuffer.c.

References free_frame_store().

Referenced by free_encoder_memory(), and init_dpb().

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void free_frame_store	(	ImageParameters *	p_Img,
		InputParameters *	p_Inp,
		FrameStore *	f
	)

Free frame store memory.

Parameters:

	p_Img	ImageParameters
	p_Inp	InputParametes
	f	FrameStore to be freed

Definition at line 517 of file mbuffer.c.

References free_storable_picture().

Referenced by free_dpb(), idr_memory_management(), and uninit_out_buffer().

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void free_motion_params ( MotionParams * ftype )

Free motion parameter memory for colocated structure.

Definition at line 3660 of file mbuffer.c.

References free_mem2D(), free_mem3D(), free_mem3Dint64(), free_mem4Dshort(), motion_params::mv, motion_params::ref_idx, and motion_params::ref_pic_id.

Referenced by free_colocated().

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void free_ref_pic_list_reordering_buffer ( Slice * currSlice )

Free memory for buffering of reference picture reordering commands.

Definition at line 3521 of file mbuffer.c.

Referenced by terminate_slice().

void free_storable_picture	(	ImageParameters *	p_Img,
		InputParameters *	p_Inp,
		StorablePicture *	p
	)

Free picture memory.

Parameters:

	p_Img	ImageParameters
	p_Inp	InputParametes
	p	Picture to be freed

Definition at line 593 of file mbuffer.c.

Referenced by direct_output(), direct_output_paff(), encode_one_frame(), flush_direct_output(), free_frame_store(), free_pictures(), make_frame_picture_JV(), remove_frame_from_dpb(), and replace_top_pic_with_frame().

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static void gen_field_ref_ids ( StorablePicture * p ) [static]

Generate Frame parameters from field information.

association with id already known for fields.

Definition at line 3060 of file mbuffer.c.

References pic_motion_params::field_frame, storable_picture::motion, pic_motion_params::ref_id, and pic_motion_params::ref_idx.

Referenced by insert_picture_in_dpb().

static void gen_pic_list_from_frame_list	(	PictureStructure	currStructure,
		FrameStore **	fs_list,
		int	list_idx,
		StorablePicture **	list,
		char *	list_size,
		int	long_term
	)			`[static]`

Generates a alternating field list from a given FrameStore list.

Definition at line 1016 of file mbuffer.c.

References is_long_ref(), and is_short_ref().

Referenced by init_lists().

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static StorablePicture* get_long_term_pic	(	Slice *	currSlice,
		DecodedPictureBuffer *	p_Dpb,
		int	LongtermPicNum
	)			`[static]`

Returns short term pic with given LongtermPicNum.

Definition at line 1548 of file mbuffer.c.

References frame_store::is_reference.

Referenced by reorder_long_term().

static int get_pic_num_x	(	StorablePicture *	p,
		int	difference_of_pic_nums_minus1
	)			`[static]`

Calculate picNumX.

Definition at line 1850 of file mbuffer.c.

Referenced by mm_assign_long_term_frame_idx(), and mm_unmark_short_term_for_reference().

static StorablePicture* get_short_term_pic	(	Slice *	currSlice,
		DecodedPictureBuffer *	p_Dpb,
		int	picNum
	)			`[static]`

Returns short term pic with given picNum.

Definition at line 1516 of file mbuffer.c.

References frame_store::is_reference.

Referenced by reorder_short_term().

static void get_smallest_poc	(	DecodedPictureBuffer *	p_Dpb,
		int *	poc,
		int *	pos
	)			`[static]`

find smallest POC in the DPB.

Definition at line 2937 of file mbuffer.c.

References error().

Referenced by output_one_frame_from_dpb(), and store_picture_in_dpb().

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int getDpbSize ( seq_parameter_set_rbsp_t * active_sps )

Returns the size of the dpb depending on level and picture size.

Definition at line 93 of file mbuffer.c.

References error().

Referenced by init_dpb().

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static void idr_memory_management	(	DecodedPictureBuffer *	p_Dpb,
		StorablePicture *	p,
		FrameFormat *	output
	)			`[static]`

Perform Memory management for idr pictures.

Definition at line 1766 of file mbuffer.c.

References alloc_frame_store(), img_par::currentPicture, flush_dpb(), free_frame_store(), update_ltref_list(), and update_ref_list().

Referenced by store_picture_in_dpb().

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void init_dpb	(	ImageParameters *	p_Img,
		InputParameters *	p_Inp,
		DecodedPictureBuffer *	p_Dpb
	)

Allocate memory for decoded picture buffer and initialize with sane values.

Definition at line 185 of file mbuffer.c.

References alloc_frame_store(), error(), free_dpb(), getDpbSize(), no_mem_exit(), and inp_par_enc::num_ref_frames.

Referenced by init_encoder().

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void init_lists ( Slice * currSlice )

Initialize p_Img->listX[0] and list 1 depending on current picture type.

Definition at line 1106 of file mbuffer.c.

References compare_fs_by_frame_num_desc(), compare_fs_by_lt_pic_idx_asc(), compare_fs_by_poc_asc(), compare_fs_by_poc_desc(), compare_pic_by_lt_pic_num_asc(), compare_pic_by_pic_num_desc(), compare_pic_by_poc_asc(), compare_pic_by_poc_desc(), slice::framepoc, gen_pic_list_from_frame_list(), frame_store::is_long_term, frame_store::is_reference, frame_store::is_used, no_mem_exit(), slice::slice_type, and slice::ThisPOC.

Referenced by init_slice().

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void init_mbaff_lists ( Slice * currSlice )

Initialize p_Img->listX[2..5] from lists 0 and 1 p_Img->listX[2]: list0 for current_field==top p_Img->listX[3]: list1 for current_field==top p_Img->listX[4]: list0 for current_field==bottom p_Img->listX[5]: list1 for current_field==bottom.

Definition at line 1474 of file mbuffer.c.

Referenced by init_slice().

static void insert_picture_in_dpb	(	ImageParameters *	p_Img,
		InputParameters *	p_Inp,
		FrameStore *	fs,
		StorablePicture *	p
	)			`[static]`

Insert the picture into the DPB. A free DPB position is necessary for frames, .

Parameters:

	p_Img	ImageParameters
	p_Inp	InputParameters
	fs	FrameStore into which the picture will be inserted
	p	StorablePicture to be inserted

Definition at line 2655 of file mbuffer.c.

References dpb_combine_field(), dpb_split_field(), gen_field_ref_ids(), frame_store::is_long_term, frame_store::is_orig_reference, frame_store::is_reference, frame_store::is_used, UnifiedOneForthPix(), and UnifiedOneForthPix_JV().

Referenced by store_picture_in_dpb().

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int is_long_ref ( StorablePicture * s )

returns true, if picture is long term reference picture

Definition at line 1003 of file mbuffer.c.

Referenced by gen_pic_list_from_frame_list().

static int is_long_term_reference ( FrameStore * fs ) [static]

Check if one of the frames/fields in frame store is used for short-term reference.

Definition at line 2841 of file mbuffer.c.

References frame_store::is_used.

Referenced by update_ltref_list().

int is_short_ref ( StorablePicture * s )

returns true, if picture is short term reference picture

Definition at line 990 of file mbuffer.c.

Referenced by gen_pic_list_from_frame_list().

static int is_short_term_reference ( FrameStore * fs ) [static]

Check if one of the frames/fields in frame store is used for short-term reference.

Definition at line 2799 of file mbuffer.c.

References frame_store::is_used.

Referenced by update_ref_list().

static int is_used_for_reference ( FrameStore * fs ) [static]

Check if one of the frames/fields in frame store is used for reference.

Definition at line 2753 of file mbuffer.c.

References frame_store::is_reference, and frame_store::is_used.

Referenced by output_one_frame_from_dpb(), and remove_unused_frame_from_dpb().

static void mark_pic_long_term	(	DecodedPictureBuffer *	p_Dpb,
		StorablePicture *	p,
		int	long_term_frame_idx,
		int	picNumX
	)			`[static]`

mark a picture as long-term reference

Definition at line 2101 of file mbuffer.c.

References frame_store::is_long_term, and frame_store::is_reference.

Referenced by mm_assign_long_term_frame_idx().

static void mm_assign_long_term_frame_idx	(	ImageParameters *	p_Img,
		StorablePicture *	p,
		int	difference_of_pic_nums_minus1,
		int	long_term_frame_idx
	)			`[static]`

Assign a long term frame index to a short term picture.

Definition at line 2207 of file mbuffer.c.

References error(), get_pic_num_x(), frame_store::is_reference, mark_pic_long_term(), unmark_long_term_field_for_reference_by_frame_idx(), and unmark_long_term_frame_for_reference_by_frame_idx().

Referenced by adaptive_memory_management().

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static void mm_mark_current_picture_long_term	(	ImageParameters *	p_Img,
		DecodedPictureBuffer *	p_Dpb,
		StorablePicture *	p,
		int	long_term_frame_idx
	)			`[static]`

Mark the current picture used for long term reference.

Definition at line 2309 of file mbuffer.c.

References unmark_long_term_field_for_reference_by_frame_idx(), and unmark_long_term_frame_for_reference_by_frame_idx().

Referenced by adaptive_memory_management().

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static void mm_unmark_all_long_term_for_reference ( DecodedPictureBuffer * p_Dpb ) [static]

Mark all long term reference pictures unused for reference.

Definition at line 2281 of file mbuffer.c.

References mm_update_max_long_term_frame_idx().

Referenced by adaptive_memory_management().

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static void mm_unmark_all_short_term_for_reference ( DecodedPictureBuffer * p_Dpb ) [static]

Mark all short term reference pictures unused for reference.

Definition at line 2292 of file mbuffer.c.

References unmark_for_reference(), and update_ref_list().

Referenced by adaptive_memory_management().

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static void mm_unmark_long_term_for_reference	(	DecodedPictureBuffer *	p_Dpb,
		StorablePicture *	p,
		int	long_term_pic_num
	)			`[static]`

Adaptive Memory Management: Mark long term picture unused.

Definition at line 1929 of file mbuffer.c.

References frame_store::is_long_term, frame_store::is_reference, frame_store::is_used, and unmark_for_long_term_reference().

Referenced by adaptive_memory_management().

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static void mm_unmark_short_term_for_reference	(	DecodedPictureBuffer *	p_Dpb,
		StorablePicture *	p,
		int	difference_of_pic_nums_minus1
	)			`[static]`

Adaptive Memory Management: Mark short term picture unused.

Definition at line 1869 of file mbuffer.c.

References get_pic_num_x(), frame_store::is_long_term, frame_store::is_reference, frame_store::is_used, and unmark_for_reference().

Referenced by adaptive_memory_management().

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void mm_update_max_long_term_frame_idx	(	DecodedPictureBuffer *	p_Dpb,
		int	max_long_term_frame_idx_plus1
	)

Set new max long_term_frame_idx.

Definition at line 2258 of file mbuffer.c.

References unmark_for_long_term_reference().

Referenced by adaptive_memory_management(), and mm_unmark_all_long_term_for_reference().

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static void output_one_frame_from_dpb	(	DecodedPictureBuffer *	p_Dpb,
		FrameFormat *	output
	)			`[static]`

Output one picture stored in the DPB.

Definition at line 2986 of file mbuffer.c.

References error(), get_smallest_poc(), is_used_for_reference(), img_par::p_dec, remove_frame_from_dpb(), and write_stored_frame().

Referenced by flush_dpb(), and store_picture_in_dpb().

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static void remove_frame_from_dpb	(	DecodedPictureBuffer *	p_Dpb,
		int	pos
	)			`[static]`

remove one frame from DPB

Definition at line 2883 of file mbuffer.c.

References error(), free_storable_picture(), frame_store::is_long_term, frame_store::is_orig_reference, frame_store::is_reference, and frame_store::is_used.

Referenced by output_one_frame_from_dpb(), and remove_unused_frame_from_dpb().

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static int remove_unused_frame_from_dpb ( DecodedPictureBuffer * p_Dpb ) [static]

Remove a picture from DPB which is no longer needed.

Definition at line 2964 of file mbuffer.c.

References is_used_for_reference(), and remove_frame_from_dpb().

Referenced by flush_dpb(), and store_picture_in_dpb().

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static void reorder_long_term	(	Slice *	currSlice,
		DecodedPictureBuffer *	p_Dpb,
		StorablePicture **	RefPicListX,
		int	cur_list,
		int	frame_no,
		int *	refIdxLX
	)			`[static]`

Reordering process for long-term reference pictures.

Definition at line 1610 of file mbuffer.c.

References get_long_term_pic().

Referenced by reorder_ref_pic_list().

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void reorder_ref_pic_list	(	Slice *	currSlice,
		StorablePicture **	list[6],
		char	list_size[6],
		int	cur_list
	)

Reordering process for reference picture lists.

Definition at line 1640 of file mbuffer.c.

References error(), reorder_long_term(), and reorder_short_term().

Referenced by init_slice(), reorder_lists(), and wp_mcprec_reorder_lists().

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static void reorder_short_term	(	Slice *	currSlice,
		DecodedPictureBuffer *	p_Dpb,
		StorablePicture **	RefPicListX,
		int	cur_list,
		int	picNumLX,
		int *	refIdxLX
	)			`[static]`

Reordering process for short-term reference pictures.

Definition at line 1580 of file mbuffer.c.

References get_short_term_pic().

Referenced by reorder_ref_pic_list().

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void replace_top_pic_with_frame	(	ImageParameters *	p_Img,
		InputParameters *	p_Inp,
		StorablePicture *	p,
		FrameFormat *	output
	)

Insert the frame picture into the if the top field has already been stored for the coding decision.

Parameters:

	p_Img	ImageParameters
	p_Inp	InputParameters
	p	StorablePicture to be inserted
	output	FrameFormat for output

Definition at line 2573 of file mbuffer.c.

References direct_output_paff(), dpb_split_field(), img_par::frame_num, free_storable_picture(), frame_store::is_long_term, frame_store::is_reference, frame_store::is_used, img_par::p_dec, UnifiedOneForthPix(), UnifiedOneForthPix_JV(), update_ltref_list(), and update_ref_list().

Referenced by encode_one_frame().

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static void sliding_window_memory_management	(	ImageParameters *	p_Img,
		DecodedPictureBuffer *	p_Dpb,
		StorablePicture *	p
	)			`[static]`

Perform Sliding window decoded reference picture marking process.

Definition at line 1823 of file mbuffer.c.

References frame_store::is_long_term, frame_store::is_reference, unmark_for_reference(), and update_ref_list().

Referenced by store_picture_in_dpb().

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void store_picture_in_dpb	(	ImageParameters *	p_Img,
		InputParameters *	p_Inp,
		StorablePicture *	p,
		FrameFormat *	output
	)

Store a picture in DPB. This includes cheking for space in DPB and flushing frames. If we received a frame, we need to check for a new store, if we got a field, check if it's the second field of an already allocated store.

Parameters:

	p_Img	ImageParameters
	p_Inp	InputParameters
	p	Picture to be stored
	output	FrameFormat for output

Definition at line 2441 of file mbuffer.c.

References adaptive_memory_management(), check_num_ref(), img_par::currentPicture, direct_output(), dump_dpb(), error(), get_smallest_poc(), idr_memory_management(), insert_picture_in_dpb(), frame_store::is_orig_reference, frame_store::is_used, output_one_frame_from_dpb(), img_par::p_dec, remove_unused_frame_from_dpb(), sliding_window_memory_management(), img_par::structure, update_ltref_list(), and update_ref_list().

Referenced by encode_one_frame(), field_picture(), and fill_frame_num_gap().

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static void unmark_for_long_term_reference ( FrameStore * fs ) [static]

mark FrameStore unused for reference and reset long term flags

Definition at line 782 of file mbuffer.c.

References frame_store::is_long_term, frame_store::is_reference, and frame_store::is_used.

Referenced by mm_unmark_long_term_for_reference(), mm_update_max_long_term_frame_idx(), unmark_long_term_field_for_reference_by_frame_idx(), and unmark_long_term_frame_for_reference_by_frame_idx().

static void unmark_for_reference ( FrameStore * fs ) [static]

mark FrameStore unused for reference

Definition at line 695 of file mbuffer.c.

References free_mem4Dpel(), free_mem5Dpel(), storable_picture::imgUV_sub, storable_picture::imgY_sub, frame_store::is_reference, frame_store::is_used, and storable_picture::motion.

Referenced by flush_dpb(), mm_unmark_all_short_term_for_reference(), mm_unmark_short_term_for_reference(), and sliding_window_memory_management().

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static void unmark_long_term_field_for_reference_by_frame_idx	(	ImageParameters *	p_Img,
		DecodedPictureBuffer *	p_Dpb,
		PictureStructure	structure,
		int	long_term_frame_idx,
		int	mark_current,
		unsigned	curr_frame_num,
		int	curr_pic_num
	)			`[static]`

Mark a long-term reference field unused for reference only if it's not the complementary field of the picture indicated by picNumX.

Definition at line 2006 of file mbuffer.c.

References frame_store::is_long_term, and unmark_for_long_term_reference().

Referenced by mm_assign_long_term_frame_idx(), and mm_mark_current_picture_long_term().

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static void unmark_long_term_frame_for_reference_by_frame_idx	(	DecodedPictureBuffer *	p_Dpb,
		int	long_term_frame_idx
	)			`[static]`

Mark a long-term reference frame or complementary field pair unused for referemce.

Definition at line 1989 of file mbuffer.c.

References unmark_for_long_term_reference().

Referenced by mm_assign_long_term_frame_idx(), and mm_mark_current_picture_long_term().

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void update_ltref_list ( DecodedPictureBuffer * p_Dpb )

Update the list of frame stores that contain long-term reference frames/fields.

Definition at line 1740 of file mbuffer.c.

References is_long_term_reference().

Referenced by adaptive_memory_management(), idr_memory_management(), replace_top_pic_with_frame(), and store_picture_in_dpb().

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void update_ref_list ( DecodedPictureBuffer * p_Dpb )

Update the list of frame stores that contain reference frames/fields.

Definition at line 1712 of file mbuffer.c.

References is_short_term_reference().

Referenced by adaptive_memory_management(), idr_memory_management(), mm_unmark_all_short_term_for_reference(), replace_top_pic_with_frame(), sliding_window_memory_management(), and store_picture_in_dpb().

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Defines
#define	MAX_LIST_SIZE 33
Functions
void	init_stats (InputParameters p_Inp, StatParameters stats)
static void	insert_picture_in_dpb (ImageParameters p_Img, InputParameters p_Inp, FrameStore fs, StorablePicture p)
static void	output_one_frame_from_dpb (DecodedPictureBuffer p_Dpb, FrameFormat output)
static void	get_smallest_poc (DecodedPictureBuffer p_Dpb, int poc, int *pos)
static void	gen_field_ref_ids (StorablePicture *p)
static int	is_used_for_reference (FrameStore *fs)
static int	remove_unused_frame_from_dpb (DecodedPictureBuffer *p_Dpb)
static int	is_short_term_reference (FrameStore *fs)
static int	is_long_term_reference (FrameStore *fs)
void	dump_dpb (DecodedPictureBuffer *p_Dpb)
int	getDpbSize (seq_parameter_set_rbsp_t *active_sps)
void	check_num_ref (ImageParameters p_Img, DecodedPictureBuffer p_Dpb)
void	init_dpb (ImageParameters p_Img, InputParameters p_Inp, DecodedPictureBuffer *p_Dpb)
void	free_dpb (ImageParameters p_Img, InputParameters p_Inp, DecodedPictureBuffer *p_Dpb)
FrameStore *	alloc_frame_store (void)
void	alloc_pic_motion (ImageParameters p_Img, PicMotionParams motion, int size_y, int size_x)
StorablePicture *	alloc_storable_picture (ImageParameters p_Img, InputParameters p_Inp, PictureStructure structure, int size_x, int size_y, int size_x_cr, int size_y_cr)
void	free_frame_store (ImageParameters p_Img, InputParameters p_Inp, FrameStore *f)
void	free_pic_motion (PicMotionParams *motion)
void	free_storable_picture (ImageParameters p_Img, InputParameters p_Inp, StorablePicture *p)
static void	unmark_for_reference (FrameStore *fs)
static void	unmark_for_long_term_reference (FrameStore *fs)
static int	compare_pic_by_pic_num_desc (const void arg1, const void arg2)
static int	compare_pic_by_lt_pic_num_asc (const void arg1, const void arg2)
static int	compare_fs_by_frame_num_desc (const void arg1, const void arg2)
static int	compare_fs_by_lt_pic_idx_asc (const void arg1, const void arg2)
static int	compare_pic_by_poc_asc (const void arg1, const void arg2)
static int	compare_pic_by_poc_desc (const void arg1, const void arg2)
static int	compare_fs_by_poc_asc (const void arg1, const void arg2)
static int	compare_fs_by_poc_desc (const void arg1, const void arg2)
int	is_short_ref (StorablePicture *s)
int	is_long_ref (StorablePicture *s)
static void	gen_pic_list_from_frame_list (PictureStructure currStructure, FrameStore fs_list, int list_idx, StorablePicture list, char *list_size, int long_term)
void	init_lists (Slice *currSlice)
void	init_mbaff_lists (Slice *currSlice)
static StorablePicture *	get_short_term_pic (Slice currSlice, DecodedPictureBuffer p_Dpb, int picNum)
static StorablePicture *	get_long_term_pic (Slice currSlice, DecodedPictureBuffer p_Dpb, int LongtermPicNum)
static void	reorder_short_term (Slice currSlice, DecodedPictureBuffer p_Dpb, StorablePicture *RefPicListX, int cur_list, int picNumLX, int refIdxLX)
static void	reorder_long_term (Slice currSlice, DecodedPictureBuffer p_Dpb, StorablePicture *RefPicListX, int cur_list, int frame_no, int refIdxLX)
void	reorder_ref_pic_list (Slice currSlice, StorablePicture *list[6], char list_size[6], int cur_list)
void	update_ref_list (DecodedPictureBuffer *p_Dpb)
void	update_ltref_list (DecodedPictureBuffer *p_Dpb)
static void	idr_memory_management (DecodedPictureBuffer p_Dpb, StorablePicture p, FrameFormat *output)
static void	sliding_window_memory_management (ImageParameters p_Img, DecodedPictureBuffer p_Dpb, StorablePicture *p)
static int	get_pic_num_x (StorablePicture *p, int difference_of_pic_nums_minus1)
static void	mm_unmark_short_term_for_reference (DecodedPictureBuffer p_Dpb, StorablePicture p, int difference_of_pic_nums_minus1)
static void	mm_unmark_long_term_for_reference (DecodedPictureBuffer p_Dpb, StorablePicture p, int long_term_pic_num)
static void	unmark_long_term_frame_for_reference_by_frame_idx (DecodedPictureBuffer *p_Dpb, int long_term_frame_idx)
static void	unmark_long_term_field_for_reference_by_frame_idx (ImageParameters p_Img, DecodedPictureBuffer p_Dpb, PictureStructure structure, int long_term_frame_idx, int mark_current, unsigned curr_frame_num, int curr_pic_num)
static void	mark_pic_long_term (DecodedPictureBuffer p_Dpb, StorablePicture p, int long_term_frame_idx, int picNumX)
static void	mm_assign_long_term_frame_idx (ImageParameters p_Img, StorablePicture p, int difference_of_pic_nums_minus1, int long_term_frame_idx)
void	mm_update_max_long_term_frame_idx (DecodedPictureBuffer *p_Dpb, int max_long_term_frame_idx_plus1)
static void	mm_unmark_all_long_term_for_reference (DecodedPictureBuffer *p_Dpb)
static void	mm_unmark_all_short_term_for_reference (DecodedPictureBuffer *p_Dpb)
static void	mm_mark_current_picture_long_term (ImageParameters p_Img, DecodedPictureBuffer p_Dpb, StorablePicture *p, int long_term_frame_idx)
static void	adaptive_memory_management (DecodedPictureBuffer p_Dpb, StorablePicture p, FrameFormat *output)
void	store_picture_in_dpb (ImageParameters p_Img, InputParameters p_Inp, StorablePicture p, FrameFormat output)
void	replace_top_pic_with_frame (ImageParameters p_Img, InputParameters p_Inp, StorablePicture p, FrameFormat output)
static void	remove_frame_from_dpb (DecodedPictureBuffer *p_Dpb, int pos)
void	flush_dpb (ImageParameters p_Img, InputParameters p_Inp, FrameFormat *output)
void	dpb_split_field (ImageParameters p_Img, InputParameters p_Inp, FrameStore *fs)
void	dpb_combine_field_yuv (ImageParameters p_Img, InputParameters p_Inp, FrameStore *fs)
void	dpb_combine_field (ImageParameters p_Img, InputParameters p_Inp, FrameStore *fs)
void	alloc_ref_pic_list_reordering_buffer (Slice *currSlice)
void	free_ref_pic_list_reordering_buffer (Slice *currSlice)
void	fill_frame_num_gap (ImageParameters p_Img, InputParameters p_Inp, FrameFormat *output)
void	alloc_motion_params (MotionParams *ftype, int size_y, int size_x)
ColocatedParams *	alloc_colocated (int size_x, int size_y, int mb_adaptive_frame_field_flag)
void	free_motion_params (MotionParams *ftype)
void	free_colocated (ColocatedParams *p)
void	compute_colocated (Slice currSlice, ColocatedParams p, StorablePicture **listX[6])
void	compute_colocated_JV (Slice currSlice, ColocatedParams p, StorablePicture **listX[6])
void	copy_storable_param_JV (ImageParameters p_Img, int nplane, StorablePicture d, StorablePicture *s)

mbuffer.c File Reference

Defines

Functions

Detailed Description

Function Documentation