lencod.c File Reference

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

#include "contributors.h"
#include <time.h>
#include <math.h>
#include "global.h"
#include "cconv_yuv2rgb.h"
#include "configfile.h"
#include "context_ini.h"
#include "explicit_gop.h"
#include "explicit_seq.h"
#include "filehandle.h"
#include "image.h"
#include "input.h"
#include "img_io.h"
#include "slice.h"
#include "intrarefresh.h"
#include "leaky_bucket.h"
#include "mc_prediction.h"
#include "memalloc.h"
#include "me_epzs_common.h"
#include "me_epzs_int.h"
#include "me_umhex.h"
#include "me_umhexsmp.h"
#include "output.h"
#include "parset.h"
#include "q_matrix.h"
#include "q_offsets.h"
#include "ratectl.h"
#include "report.h"
#include "rdoq.h"
#include "errdo.h"
#include "rdopt.h"
#include "wp_mcprec.h"
#include "mv_search.h"
#include "img_process.h"

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Functions

static void SetLevelIndices (ImageParameters *p_Img)

static void chroma_mc_setup (ImageParameters *p_Img)

static int init_global_buffers (ImageParameters *p_Img, InputParameters *p_Inp)

static void free_global_buffers (ImageParameters *p_Img, InputParameters *p_Inp)

static void free_img (ImageParameters *p_Img, InputParameters *p_Inp)

static void free_params (InputParameters *p_Inp)

static void init_img (ImageParameters *p_Img, InputParameters *p_Inp)

static void init_poc (ImageParameters *p_Img, InputParameters *p_Inp)

static void init_encoder (ImageParameters *p_Img, InputParameters *p_Inp)

static void encode_sequence (ImageParameters *p_Img, InputParameters *p_Inp)

void init_stats (InputParameters *p_Inp, StatParameters *p_Stats)

void init_dstats (DistortionParams *p_Dist)

static void init_frame_params (ImageParameters *p_Img, InputParameters *p_Inp)

static void alloc_img (ImageParameters **p_Img)

static void alloc_params (InputParameters **p_Inp)

static void alloc_encoder (EncoderParams **p_Enc)

static void free_encoder (EncoderParams *p_Enc)

int main (int argc, char **argv)

static int determine_coding_level (ImageParameters *p_Img, InputParameters *p_Inp, int curr_frame)

static void SetImgType (ImageParameters *p_Img, InputParameters *p_Inp, int gop_frame_num)

static void set_poc (ImageParameters *p_Img, InputParameters *p_Inp, double frame_to_code)

static void prepare_first_layer (ImageParameters *p_Img, InputParameters *p_Inp, int curr_frame_to_code)

static void prepare_second_layer (ImageParameters *p_Img, InputParameters *p_Inp, int enh_frame_to_code)

void free_encoder_memory (ImageParameters *p_Img, InputParameters *p_Inp)

Picture * malloc_picture ()

void free_picture (Picture *pic)

int init_orig_buffers (ImageParameters *p_Img, InputParameters *p_Inp, ImageData *imgData)

void free_orig_planes (ImageParameters *p_Img, InputParameters *p_Inp, ImageData *imgData)

int get_mem_ACcoeff (ImageParameters *p_Img, int *****cofAC)

int get_mem_ACcoeff_new (int ******cofAC, int chroma)

int get_mem_DCcoeff (int ****cofDC)

void free_mem_ACcoeff (int ****cofAC)

void free_mem_ACcoeff_new (int *****cofAC)

void free_mem_DCcoeff (int ***cofDC)

void Init_redundant_frame (ImageParameters *p_Img, InputParameters *p_Inp)

void Set_redundant_frame (ImageParameters *p_Img, InputParameters *p_Inp)

void encode_one_redundant_frame (ImageParameters *p_Img, InputParameters *p_Inp)

Variables

static const int mb_width_cr [4] = {0,8, 8,16}

static const int mb_height_cr [4] = {0,8,16,16}

EncoderParams * p_Enc = NULL

Detailed Description

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

lencod.c

Author:

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

Inge Lille-Langoy <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>
Byeong-Moon Jeon <jeonbm@lge.com>
Yoon-Seong Soh <yunsung@lge.com>
Thomas Stockhammer <stockhammer@ei.tum.de>
Detlev Marpe <marpe@hhi.de>
Guido Heising
Valeri George <george@hhi.de>
Karsten Suehring <suehring@hhi.de>
Alexis Michael Tourapis <alexismt@ieee.org>

Definition in file lencod.c.

Function Documentation

static void alloc_encoder ( EncoderParams ** p_Enc ) [static]

Allocate the Encoder Structure.

Output:: Encoder Parameters

Definition at line 258 of file lencod.c.

References alloc_img(), alloc_params(), and no_mem_exit().

Referenced by main().

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

Allocate the Image structure.

Output:: Image Parameters ImageParameters *p_Img

Definition at line 203 of file lencod.c.

References no_mem_exit().

Referenced by alloc_encoder().

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static void alloc_params ( InputParameters ** p_Inp ) [static]

Allocate the Input structure.

Output:: Input Parameters InputParameters *p_Img

Definition at line 238 of file lencod.c.

References no_mem_exit().

Referenced by alloc_encoder().

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static void chroma_mc_setup ( ImageParameters * p_Img ) [static]

Setup Chroma MC Variables.

Definition at line 1882 of file lencod.c.

References IMG_PAD_SIZE, YUV420, and YUV422.

Referenced by init_global_buffers().

static int determine_coding_level	(	ImageParameters *	p_Img,
		InputParameters *	p_Inp,
		int	curr_frame
	)			`[static]`

Determine coding level a frame belongs to.

Definition at line 434 of file lencod.c.

References inp_par_enc::NumberBFrames.

Referenced by encode_sequence().

void encode_one_redundant_frame	(	ImageParameters *	p_Img,
		InputParameters *	p_Inp
	)

encode one redundant frame.

Definition at line 1859 of file lencod.c.

References img_par::currentPicture, encode_one_frame(), and set_slice_type().

Referenced by encode_sequence().

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static void encode_sequence	(	ImageParameters *	p_Img,
		InputParameters *	p_Inp
	)			`[static]`

Encode a sequence.

Definition at line 616 of file lencod.c.

References img_par::currentPicture, determine_coding_level(), inp_par_enc::EnableOpenGOP, encode_one_frame(), encode_one_redundant_frame(), ExplicitUpdateImgParams(), img_par::frame_num, img_par::idr_gop_number, Init_redundant_frame(), inp_par_enc::jumpd, inp_par_enc::no_frames, inp_par_enc::NumberBFrames, prepare_first_layer(), prepare_second_layer(), ReadExplicitSeqFile(), report_frame_statistic(), Set_redundant_frame(), and img_par::ThisPOC.

Referenced by main().

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static void free_encoder ( EncoderParams * p_Enc ) [static]

Free the Encoder Structure.

Definition at line 275 of file lencod.c.

Referenced by main().

void free_encoder_memory	(	ImageParameters *	p_Img,
		InputParameters *	p_Inp
	)

Free memory allocated for the encoder.

Definition at line 699 of file lencod.c.

References clear_gop_structure(), Clear_Motion_Search_Module(), CloseExplicitSeqFile(), CloseFiles(), flush_dpb(), FmoUninit(), free_dpb(), free_global_buffers(), free_img(), FreeParameterSets(), inp_par_enc::input_file1, inp_par_enc::output, img_par::p_dec, report(), terminate_sequence(), and uninit_out_buffer().

Referenced by main(), and report_stats_on_error().

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static void free_global_buffers	(	ImageParameters *	p_Img,
		InputParameters *	p_Inp
	)			`[static]`

Free allocated memory of frame size related global buffers buffers are defined in global.h, allocated memory is allocated in int get_mem4global_buffers().

Input:: Input Parameters InputParameters *inp,
Image Parameters ImageParameters *p_Img

Output:: none

Definition at line 1439 of file lencod.c.

References img_par::b8x8info, inp_par_enc::CtxAdptLagrangeMult, EPZSDelete(), free_errdo_mem(), free_mem2D(), free_mem2Dint(), free_mem2Dodouble(), free_mem2Dolm(), free_mem2Dpel(), free_mem2Dshort(), free_mem3Dint(), free_mem3Dodouble(), free_mem3Doint(), free_mem3Dpel(), free_orig_planes(), free_picture(), free_QMatrix(), free_QOffsets(), img_par::frm_iter, img_par::imgData, img_par::imgData0, img_par::imgUV_com, img_par::imgY_com, img_par::imgY_sub_tmp, inp_par_enc::IntraProfile, img_par::ipredmode, img_par::ipredmode8x8, img_par::lambda_md, img_par::lambda_me, img_par::lambda_mf, img_par::lambda_mf_factor, img_par::mb_data, img_par::mb_data_JV, img_par::nz_coeff, img_par::pixel_map, rc_free_memory(), inp_par_enc::RCEnable, img_par::refresh_map, inp_par_enc::si_frame_indicator, smpUMHEX_free_mem(), inp_par_enc::sp_periodicity, UMHEX_free_mem(), inp_par_enc::UseConstrainedIntraPred, wpxFreeWPXObject(), and YUV400.

Referenced by free_encoder_memory().

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static void free_img	(	ImageParameters *	p_Img,
		InputParameters *	p_Inp
	)			`[static]`

Free the Image structures.

Input:: Image Parameters ImageParameters *p_Img

Definition at line 1069 of file lencod.c.

References inp_par_enc::AdaptiveRounding, img_par::ARCofAdj4x4, img_par::ARCofAdj8x8, DeleteFrameMemory(), and free_mem4Dint().

Referenced by free_encoder_memory().

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void free_mem_ACcoeff ( int **** cofAC )

Free memory of AC coefficients.

Definition at line 1641 of file lencod.c.

References free_mem4Dint().

Referenced by clear_rdopt(), and free_slice().

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void free_mem_ACcoeff_new ( int ***** cofAC )

Free memory of AC coefficients.

Definition at line 1652 of file lencod.c.

References free_mem5Dint().

Referenced by clear_rdopt().

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void free_mem_DCcoeff ( int *** cofDC )

Free memory of DC coefficients.

Definition at line 1663 of file lencod.c.

References free_mem3Dint().

Referenced by clear_rdopt(), and free_slice().

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void free_orig_planes	(	ImageParameters *	p_Img,
		InputParameters *	p_Inp,
		ImageData *	imgData
	)

Free allocated memory of original picture buffers.

Definition at line 1392 of file lencod.c.

References free_mem2Dpel(), free_top_bot_planes(), and YUV400.

Referenced by free_global_buffers().

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static void free_params ( InputParameters * p_Inp ) [static]

Free the Input structures.

Input:: Input Parameters InputParameters *p_Inp

Definition at line 1103 of file lencod.c.

References inp_par_enc::run_length_minus1, inp_par_enc::slice_group_id, and inp_par_enc::top_left.

Referenced by main().

void free_picture ( Picture * pic )

Frees a picture.

Parameters:

pic,:

POinter to a Picture to be freed

Definition at line 1145 of file lencod.c.

References free_slice_list().

Referenced by free_global_buffers().

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int get_mem_ACcoeff	(	ImageParameters *	p_Img,
		int *****	cofAC
	)

Allocate memory for AC coefficients.

Definition at line 1601 of file lencod.c.

References get_mem4Dint().

Referenced by init_rdopt(), and init_slice().

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int get_mem_ACcoeff_new	(	int ******	cofAC,
		int	chroma
	)

Allocate memory for AC coefficients.

Definition at line 1616 of file lencod.c.

References get_mem5Dint().

Referenced by init_rdopt().

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int get_mem_DCcoeff ( int **** cofDC )

Allocate memory for DC coefficients.

Definition at line 1628 of file lencod.c.

References get_mem3Dint().

Referenced by init_rdopt(), and init_slice().

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static void init_encoder	(	ImageParameters *	p_Img,
		InputParameters *	p_Inp
	)			`[static]`

Initialize encoder.

Definition at line 325 of file lencod.c.

References create_hierarchy(), inp_par_enc::ErrorConcealment, GenerateParameterSets(), information_init(), init_dpb(), init_error_conceal(), init_global_buffers(), init_gop_structure(), init_img(), Init_Motion_Search_Module(), init_out_buffer(), init_poc(), Init_QMatrix(), Init_QOffsetMatrix(), inp_par_enc::input_file1, interpret_gop_structure(), inp_par_enc::no_frames, inp_par_enc::NumberBFrames, OneComponentChromaPrediction4x4_regenerate(), OneComponentChromaPrediction4x4_retrieve(), OpenExplicitSeqFile(), OpenFiles(), img_par::p_log, rc_init_sequence(), inp_par_enc::RCEnable, inp_par_enc::search_range, SetLevelIndices(), start_sequence(), and wpxInitWPXPasses().

Referenced by main().

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static void init_frame_params	(	ImageParameters *	p_Img,
		InputParameters *	p_Inp
	)			`[static]`

Initialize encoding parameters.

Definition at line 119 of file lencod.c.

References img_par::bottompoc, inp_par_enc::BRefPictures, img_par::frame_num, img_par::framepoc, img_par::gop_number, inp_par_enc::idr_period, inp_par_enc::intra_delay, inp_par_enc::MbInterlace, inp_par_enc::no_frm_base, inp_par_enc::NumberBFrames, inp_par_enc::PicInterlace, and img_par::toppoc.

Referenced by prepare_first_layer().

static int init_global_buffers	(	ImageParameters *	p_Img,
		InputParameters *	p_Inp
	)			`[static]`

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 InputParameters *inp,
Image Parameters ImageParameters *p_Img

Returns:: Number of allocated bytes

Definition at line 1242 of file lencod.c.

References allocate_errdo_mem(), chroma_mc_setup(), EPZSInit(), img_par::frm_iter, get_mem2D(), get_mem2Dint(), get_mem2Dpel(), get_mem2Dshort(), get_mem3Dint(), get_mem3Dpel(), img_par::height, img_par::height_cr, img_par::height_padded, IMG_PAD_SIZE, img_par::imgData, img_par::imgData0, img_par::imgUV_com, img_par::imgY_com, img_par::imgY_sub_tmp, init_orig_buffers(), inp_par_enc::IntraProfile, malloc_picture(), no_mem_exit(), inp_par_enc::PicInterlace, img_par::pixel_map, rc_allocate_memory(), inp_par_enc::RCEnable, img_par::refresh_map, inp_par_enc::si_frame_indicator, smpUMHEX_get_mem(), smpUMHEX_init(), inp_par_enc::sp_periodicity, UMHEX_get_mem(), img_par::width, img_par::width_cr, img_par::width_padded, wpxInitWPXObject(), and YUV400.

Referenced by init_encoder().

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static void init_img	(	ImageParameters *	p_Img,
		InputParameters *	p_Inp
	)			`[static]`

Initializes the Image structure with appropriate parameters.

Input:: Input Parameters InputParameters *inp

Output:: Image Parameters ImageParameters *p_Img

Definition at line 803 of file lencod.c.

References inp_par_enc::AdaptiveRounding, AllocateFrameMemory(), img_par::ARCofAdj4x4, img_par::ARCofAdj8x8, img_par::b8x8info, BASELINE, img_par::chroma_qp_offset, img_par::colour_plane_id, inp_par_enc::CtxAdptLagrangeMult, img_par::dc_pred_value, img_par::dc_pred_value_comp, EXTENDED, img_par::frame_interval, inp_par_enc::frame_skip, img_par::frm_iter, get_mem2D(), get_mem2Dodouble(), get_mem2Dolm(), get_mem3Dint(), get_mem3Dodouble(), get_mem3Doint(), get_mem4Dint(), img_par::gop_number, img_par::height, img_par::height_blk, img_par::height_cr, img_par::height_cr_frame, img_par::height_padded, img_par::idr_gop_number, IMG_PAD_SIZE, initInput(), img_par::ipredmode, img_par::ipredmode8x8, inp_par_enc::jumpd, img_par::lambda_md, img_par::lambda_me, img_par::lambda_mf, img_par::lambda_mf_factor, MAIN, img_par::max_imgpel_value, img_par::max_imgpel_value_comp_sq, img_par::max_num_references, img_par::max_pel_value_comp, img_par::mb_data, img_par::mb_data_JV, no_mem_exit(), inp_par_enc::num_ref_frames, img_par::num_ref_frames, img_par::number, inp_par_enc::NumberBFrames, img_par::nz_coeff, inp_par_enc::output, RandomIntraInit(), inp_par_enc::RandomIntraMBRefresh, inp_par_enc::RDPictureDecision, img_par::rewind_frame, img_par::size, img_par::size_cr, inp_par_enc::source, img_par::start_frame_no, img_par::start_tr_gop, inp_par_enc::UseConstrainedIntraPred, img_par::width, img_par::width_blk, img_par::width_cr, img_par::width_padded, YUV400, YUV420, YUV422, and YUV444.

Referenced by init_encoder().

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int init_orig_buffers	(	ImageParameters *	p_Img,
		InputParameters *	p_Inp,
		ImageData *	imgData
	)

memory allocation for original picture buffers

Definition at line 1161 of file lencod.c.

References get_mem2Dpel(), img_par::height, img_par::height_cr, init_top_bot_planes(), inp_par_enc::output, img_par::width, img_par::width_cr, and YUV400.

Referenced by init_global_buffers().

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static void init_poc	(	ImageParameters *	p_Img,
		InputParameters *	p_Inp
	)			`[static]`

Initializes the POC structure with appropriate parameters.

Definition at line 757 of file lencod.c.

References inp_par_enc::BRefPictures, inp_par_enc::MbInterlace, inp_par_enc::NumberBFrames, inp_par_enc::pic_order_cnt_type, and inp_par_enc::PicInterlace.

Referenced by init_encoder().

void Init_redundant_frame	(	ImageParameters *	p_Img,
		InputParameters *	p_Inp
	)

initialize key frames and corresponding redundant frames.

Definition at line 1746 of file lencod.c.

References error(), inp_par_enc::num_ref_frames, inp_par_enc::NumberBFrames, inp_par_enc::NumRedundantHierarchy, inp_par_enc::PicInterlace, and inp_par_enc::PrimaryGOPLength.

Referenced by encode_sequence().

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int main	(	int	argc,
		char **	argv
	)

Main function for encoder.

Parameters:

	argc	number of command line arguments
	argv	command line arguments

Returns:: exit code

Definition at line 295 of file lencod.c.

References alloc_encoder(), Configure(), encode_sequence(), free_encoder(), free_encoder_memory(), free_params(), and init_encoder().

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Picture* malloc_picture ( )

Allocates the picture structure along with its dependent data structures.

Returns:: Pointer to a Picture

Note: slice structures are allocated as needed in code_a_picture

Definition at line 1129 of file lencod.c.

References no_mem_exit().

Referenced by init_global_buffers().

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static void prepare_first_layer	(	ImageParameters *	p_Img,
		InputParameters *	p_Inp,
		int	curr_frame_to_code
	)			`[static]`

Prepare first coding layer.

Definition at line 515 of file lencod.c.

References CalculateFrameNumber(), clear_gop_structure(), create_hierarchy(), img_par::gop_number, init_frame_params(), init_gop_structure(), img_par::layer, inp_par_enc::no_frames, img_par::number, inp_par_enc::NumberBFrames, rc_init_gop_params(), inp_par_enc::RCEnable, SetImgType(), and img_par::start_frame_no.

Referenced by encode_sequence().

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static void prepare_second_layer	(	ImageParameters *	p_Img,
		InputParameters *	p_Inp,
		int	enh_frame_to_code
	)			`[static]`

Prepare second coding layer.

Definition at line 553 of file lencod.c.

References img_par::bottompoc, inp_par_enc::BRefPictures, CalculateFrameNumber(), GOP_DATA::display_no, inp_par_enc::EnableIDRGOP, img_par::frame_interval, img_par::framepoc, img_par::gop_number, img_par::idr_gop_number, inp_par_enc::intra_delay, img_par::layer, inp_par_enc::MbInterlace, inp_par_enc::PicInterlace, GOP_DATA::reference_idc, SetImgType(), img_par::start_tr_gop, and img_par::toppoc.

Referenced by encode_sequence().

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void Set_redundant_frame	(	ImageParameters *	p_Img,
		InputParameters *	p_Inp
	)

allocate redundant frames in a primary GOP.

Definition at line 1792 of file lencod.c.

References inp_par_enc::NumRedundantHierarchy, and inp_par_enc::PrimaryGOPLength.

Referenced by encode_sequence().

static void SetImgType	(	ImageParameters *	p_Img,
		InputParameters *	p_Inp,
		int	gop_frame_num
	)			`[static]`

Set the image type for I,P and SP pictures (not B!).

Definition at line 452 of file lencod.c.

References inp_par_enc::BRefPictures, img_par::gop_number, inp_par_enc::idr_period, inp_par_enc::intra_period, set_slice_type(), and inp_par_enc::sp_periodicity.

Referenced by prepare_first_layer(), and prepare_second_layer().

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static void SetLevelIndices ( ImageParameters * p_Img ) [static]

Sets indices to appropriate level constraints, depending on current level_idc.

Definition at line 1675 of file lencod.c.

References img_par::LevelIndex.

Referenced by init_encoder().


Functions
static void	SetLevelIndices (ImageParameters *p_Img)
static void	chroma_mc_setup (ImageParameters *p_Img)
static int	init_global_buffers (ImageParameters p_Img, InputParameters p_Inp)
static void	free_global_buffers (ImageParameters p_Img, InputParameters p_Inp)
static void	free_img (ImageParameters p_Img, InputParameters p_Inp)
static void	free_params (InputParameters *p_Inp)
static void	init_img (ImageParameters p_Img, InputParameters p_Inp)
static void	init_poc (ImageParameters p_Img, InputParameters p_Inp)
static void	init_encoder (ImageParameters p_Img, InputParameters p_Inp)
static void	encode_sequence (ImageParameters p_Img, InputParameters p_Inp)
void	init_stats (InputParameters p_Inp, StatParameters p_Stats)
void	init_dstats (DistortionParams *p_Dist)
static void	init_frame_params (ImageParameters p_Img, InputParameters p_Inp)
static void	alloc_img (ImageParameters **p_Img)
static void	alloc_params (InputParameters **p_Inp)
static void	alloc_encoder (EncoderParams **p_Enc)
static void	free_encoder (EncoderParams *p_Enc)
int	main (int argc, char **argv)
static int	determine_coding_level (ImageParameters p_Img, InputParameters p_Inp, int curr_frame)
static void	SetImgType (ImageParameters p_Img, InputParameters p_Inp, int gop_frame_num)
static void	set_poc (ImageParameters p_Img, InputParameters p_Inp, double frame_to_code)
static void	prepare_first_layer (ImageParameters p_Img, InputParameters p_Inp, int curr_frame_to_code)
static void	prepare_second_layer (ImageParameters p_Img, InputParameters p_Inp, int enh_frame_to_code)
void	free_encoder_memory (ImageParameters p_Img, InputParameters p_Inp)
Picture *	malloc_picture ()
void	free_picture (Picture *pic)
int	init_orig_buffers (ImageParameters p_Img, InputParameters p_Inp, ImageData *imgData)
void	free_orig_planes (ImageParameters p_Img, InputParameters p_Inp, ImageData *imgData)
int	get_mem_ACcoeff (ImageParameters p_Img, int ****cofAC)
int	get_mem_ACcoeff_new (int ******cofAC, int chroma)
int	get_mem_DCcoeff (int ****cofDC)
void	free_mem_ACcoeff (int ****cofAC)
void	free_mem_ACcoeff_new (int *****cofAC)
void	free_mem_DCcoeff (int ***cofDC)
void	Init_redundant_frame (ImageParameters p_Img, InputParameters p_Inp)
void	Set_redundant_frame (ImageParameters p_Img, InputParameters p_Inp)
void	encode_one_redundant_frame (ImageParameters p_Img, InputParameters p_Inp)
Variables
static const int	mb_width_cr [4] = {0,8, 8,16}
static const int	mb_height_cr [4] = {0,8,16,16}
EncoderParams *	p_Enc = NULL