ldecod.c File Reference

H.264/AVC reference decoder project main(). More...

#include "contributors.h"
#include <sys/stat.h>
#include "global.h"
#include "image.h"
#include "memalloc.h"
#include "mc_prediction.h"
#include "mbuffer.h"
#include "leaky_bucket.h"
#include "fmo.h"
#include "output.h"
#include "cabac.h"
#include "parset.h"
#include "sei.h"
#include "erc_api.h"
#include "quant.h"
#include "block.h"
#include "nalu.h"

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Defines

#define JM   "15 (FRExt)"

#define VERSION   "15.1"

#define EXT_VERSION   "(FRExt)"

#define LOGFILE   "log.dec"

#define DATADECFILE   "dataDec.txt"

#define TRACEFILE   "trace_dec.txt"

#define OUTSTRING_SIZE   255

Functions

void JMDecHelpExit (void)

void Configure (int ac, char *av[])

static void alloc_img (ImageParameters **img)

static void free_img (ImageParameters *img)

int main (int argc, char **argv)

void init (ImageParameters *img)

void init_frext (ImageParameters *img)

static void conf_read_check (int val, int expected)

void init_conf (struct inp_par *inp, char *config_filename)

void report (struct inp_par *inp, ImageParameters *img, struct snr_par *snr)

DataPartition * AllocPartition (int n)

void FreePartition (DataPartition *dp, int n)

void malloc_slice (struct inp_par *inp, ImageParameters *img)

void free_slice (ImageParameters *img)

int init_global_buffers (void)

void free_global_buffers (void)

Variables

objectBuffer_t * erc_object_list

ercVariables_t * erc_errorVar

ColocatedParams * Co_located

ColocatedParams * Co_located_JV [MAX_PLANE]

StorablePicture * dec_picture

struct inp_par * params

struct snr_par * snr

ImageParameters * img

int global_init_done = 0

Detailed Description

H.264/AVC reference decoder project main().

ldecod.c

Author:

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

Inge Lille-Lang�y <inge.lille-langoy@telenor.com>
Rickard Sjoberg <rickard.sjoberg@era.ericsson.se>
Stephan Wenger <stewe@cs.tu-berlin.de>
Jani Lainema <jani.lainema@nokia.com>
Sebastian Purreiter <sebastian.purreiter@mch.siemens.de>
Byeong-Moon Jeon <jeonbm@lge.com>
Gabi Blaettermann
Ye-Kui Wang <wyk@ieee.org>
Valeri George <george@hhi.de>
Karsten Suehring <suehring@hhi.de>

Definition in file ldecod.c.

Function Documentation

static void alloc_img ( ImageParameters ** img ) [static]

Allocate the Image structure.

Output:: Image Parameters ImageParameters *img

Definition at line 291 of file ldecod.c.

References get_mem3Dint(), get_mem3Dpel(), and no_mem_exit().

Referenced by main().

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DataPartition* AllocPartition ( int n )

Allocates a stand-alone partition structure. Structure should be freed by FreePartition(); data structures.

Input:: n: number of partitions in the array

return: pointer to DataPartition Structure, zero-initialized

Definition at line 818 of file ldecod.c.

References datapartition::bitstream, error(), errortext, ET_SIZE, MAX_CODED_FRAME_SIZE, and Bitstream::streamBuffer.

Referenced by malloc_slice().

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static void conf_read_check	(	int	val,
		int	expected
	)			`[inline, static]`

exit with error message if reading from config file failed

Definition at line 513 of file ldecod.c.

References error().

Referenced by init_conf().

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void Configure	(	int	ac,
		char *	av[]
	)

set default bitstream name

set default output file name

set default reference file name

Input file

Output File

Reference File

Poc Scale

indicate UV writing for 4:0:0

Definition at line 128 of file ldecod.c.

References error(), errortext, ET_SIZE, init_conf(), JMDecHelpExit(), p_out, p_ref, PAR_OF_ANNEXB, and params.

Referenced by main().

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void free_global_buffers ( void )

Free allocated memory of frame size related global buffers buffers are defined in global.h, allocated memory is allocated in int init_global_buffers().

Input:: Input Parameters struct inp_par *inp, Image Parameters ImageParameters *img

Output:: none

Definition at line 1039 of file ldecod.c.

References free_mem2D(), free_mem2Dint(), free_mem2Dpel(), free_mem3Dint(), free_mem3Dpel(), free_mem4D(), free_mem4Dint(), img, and imgY_ref.

Referenced by init_global_buffers(), and main().

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static void free_img ( ImageParameters * img ) [static]

Free the Image structure.

Input:: Image Parameters ImageParameters *img

Definition at line 314 of file ldecod.c.

References free_mem3Dint(), and free_mem3Dpel().

Referenced by main().

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void free_slice ( ImageParameters * img )

Memory frees of the Slice structure and of its dependent data structures.

Input:: Input Parameters struct inp_par *inp, ImageParameters *img

Definition at line 930 of file ldecod.c.

References delete_contexts_MotionInfo(), delete_contexts_TextureInfo(), FreePartition(), Slice::mot_ctx, Slice::partArr, and Slice::tex_ctx.

Referenced by main().

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void FreePartition	(	DataPartition *	dp,
		int	n
	)

Frees a partition structure (array).

Input:: Partition to be freed, size of partition Array (Number of Partitions)

return: None

Note:: n must be the same as for the corresponding call of AllocPartition

Definition at line 869 of file ldecod.c.

References datapartition::bitstream, and Bitstream::streamBuffer.

Referenced by free_slice().

void init ( ImageParameters * img )

Initilize some arrays.

Parameters:

img

image parameters

Definition at line 429 of file ldecod.c.

References imgY_ref, and params.

Referenced by main().

void init_conf	(	struct inp_par *	inp,
		char *	config_filename
	)

Read parameters from configuration file.

Input:: Name of configuration filename

Output: none

Definition at line 533 of file ldecod.c.

References conf_read_check(), error(), errortext, ET_SIZE, img, PAR_OF_ANNEXB, and PAR_OF_RTP.

Referenced by Configure().

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void init_frext ( ImageParameters * img )

Initialize FREXT variables.

Parameters:

img

image parameters

Definition at line 459 of file ldecod.c.

References init_qp_process(), YUV400, YUV420, YUV422, and YUV444.

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int init_global_buffers ( void )

Dynamic memory allocation of frame size related global buffers buffers are defined in global.h, allocated memory must be freed in void free_global_buffers().

Input:: Input Parameters struct inp_par *inp, Image Parameters ImageParameters *img

Output:: Number of allocated bytes

Helper array to access macroblock positions. We add 1 to also consider last MB.

Definition at line 961 of file ldecod.c.

References free_global_buffers(), get_mem2D(), get_mem2Dint(), get_mem2Dpel(), get_mem3Dint(), get_mem3Dpel(), get_mem4D(), get_mem4Dint(), img, imgY_ref, MAX_REFERENCE_PICTURES, no_mem_exit(), and YUV400.

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void JMDecHelpExit ( void )

print help message and exit

Definition at line 99 of file ldecod.c.

Referenced by Configure().

int main	(	int	argc,
		char **	argv
	)

main function for TML decoder

Definition at line 331 of file ldecod.c.

References alloc_img(), Configure(), decode_one_frame(), EOS, ercClose(), flush_dpb(), FmoFinit(), free_colocated(), free_dpb(), free_global_buffers(), free_img(), free_slice(), img, init(), decoded_picture_buffer::init_done, init_old_slice(), init_out_buffer(), initBitsFile(), malloc_slice(), no_mem_exit(), p_out, p_ref, params, ref_flag, report(), snr, and uninit_out_buffer().

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void malloc_slice	(	struct inp_par *	inp,
		ImageParameters *	img
	)

Allocates the slice structure along with its dependent data structures.

Input:: Input Parameters struct inp_par *inp, ImageParameters *img

you don't know whether we do CABAC hre, hence initialize CABAC anyway

assume data partitioning (worst case) for the following mallocs()

Definition at line 895 of file ldecod.c.

References AllocPartition(), create_contexts_MotionInfo(), create_contexts_TextureInfo(), error(), errortext, ET_SIZE, Slice::max_part_nr, Slice::mot_ctx, Slice::partArr, and Slice::tex_ctx.

Referenced by main().

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void report	(	struct inp_par *	inp,
		ImageParameters *	img,
		struct snr_par *	snr
	)

Reports the gathered information to appropriate outputs.

Input:: struct inp_par *inp, ImageParameters *img, struct snr_par *stat

Output:: None

Definition at line 653 of file ldecod.c.

References error(), errortext, ET_SIZE, p_log, and params.

Referenced by main().

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Variable Documentation

ColocatedParams* Co_located_JV[MAX_PLANE]

Co_located to be used during 4:4:4 independent mode decoding.

Definition at line 50 of file mbuffer.c.

ImageParameters* img

image parameters

Definition at line 89 of file ldecod.c.

Referenced by adaptive_memory_management(), alloc_ref_pic_list_reordering_buffer(), alloc_storable_picture(), CheckAvailabilityOfNeighbors(), clear_picture(), compute_colocated(), compute_colocated_JV(), conceal_non_ref_pics(), concealByTrial(), copyPredMB(), ercConcealInterFrame(), FirstPartOfSliceHeader(), flush_dpb(), FmoGenerateMbToSliceGroupMap(), FmoGenerateType1MapUnitMap(), FmoGenerateType2MapUnitMap(), FmoGenerateType3MapUnitMap(), FmoGenerateType4MapUnitMap(), FmoGenerateType5MapUnitMap(), FmoGetLastMBInSliceGroup(), FmoGetNextMBNr(), FmoGetSliceGroupId(), FmoInit(), free_dpb(), free_global_buffers(), free_storable_picture(), get_long_term_pic(), get_pic_from_dpb(), get_short_term_pic(), getAffNeighbour(), getNonAffNeighbour(), init_conf(), init_dpb(), init_global_buffers(), init_lists(), init_lists_for_non_reference_loss(), main(), mb_is_available(), output_one_frame_from_dpb(), pixMeanInterpolateBlock(), readRefPictureIdx_VLC(), ref_pic_list_reordering(), reorder_ref_pic_list(), RestOfSliceHeader(), store_picture_in_dpb(), unmark_long_term_field_for_reference_by_frame_idx(), write_lost_non_ref_pic(), write_lost_ref_after_idr(), and write_out_picture().

struct inp_par* params

input parameters from input configuration file

Definition at line 87 of file ldecod.c.

Referenced by calculate_frame_no(), Configure(), direct_output(), exit_picture(), find_snr(), init(), insert_picture_in_dpb(), main(), read_new_slice(), read_next_nalu(), report(), RestOfSliceHeader(), and write_out_picture().

struct snr_par* snr

statistics

Definition at line 88 of file ldecod.c.

Referenced by direct_output(), exit_picture(), insert_picture_in_dpb(), and main().


Defines
#define	JM "15 (FRExt)"
#define	VERSION "15.1"
#define	EXT_VERSION "(FRExt)"
#define	LOGFILE "log.dec"
#define	DATADECFILE "dataDec.txt"
#define	TRACEFILE "trace_dec.txt"
#define	OUTSTRING_SIZE 255
Functions
void	JMDecHelpExit (void)
void	Configure (int ac, char *av[])
static void	alloc_img (ImageParameters **img)
static void	free_img (ImageParameters *img)
int	main (int argc, char **argv)
void	init (ImageParameters *img)
void	init_frext (ImageParameters *img)
static void	conf_read_check (int val, int expected)
void	init_conf (struct inp_par inp, char config_filename)
void	report (struct inp_par inp, ImageParameters img, struct snr_par *snr)
DataPartition *	AllocPartition (int n)
void	FreePartition (DataPartition *dp, int n)
void	malloc_slice (struct inp_par inp, ImageParameters img)
void	free_slice (ImageParameters *img)
int	init_global_buffers (void)
void	free_global_buffers (void)
Variables
objectBuffer_t *	erc_object_list
ercVariables_t *	erc_errorVar
ColocatedParams *	Co_located
ColocatedParams *	Co_located_JV [MAX_PLANE]
StorablePicture *	dec_picture
struct inp_par *	params
struct snr_par *	snr
ImageParameters *	img
int	global_init_done = 0