encmain.c File Reference

#include <math.h>
#include <pthread.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
#include "checkpoint.h"
#include "cli.h"
#include "encoder.h"
#include "kvazaar.h"
#include "kvazaar_internal.h"
#include "threads.h"
#include "yuv_io.h"

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Data Structures
struct	input_handler_args

Macros
#define	RETVAL_RUNNING   0
#define	RETVAL_FAILURE   1
#define	RETVAL_EOF   2

Functions
static FILE *	open_input_file (const char *filename)
	Open a file for reading.
static FILE *	open_output_file (const char *filename)
	Open a file for writing.
static unsigned	get_padding (unsigned width_or_height)
static void	compute_psnr (const kvz_picture *const src, const kvz_picture *const rec, double psnr[3])
	Calculates image PSNR value.
static void *	input_read_thread (void *in_args)
	Handles input reading in a thread.
void	output_recon_pictures (const kvz_api *const api, FILE *recout, kvz_picture *buffer[32], int *buffer_size, uint64_t *next_pts, unsigned width, unsigned height)
static double	calc_avg_qp (uint64_t qp_sum, uint32_t frames_done)
static bool	read_header (FILE *input, kvz_config *config)
	Reads the information in y4m header.
int	main (int argc, char *argv[])
	Program main function.

Variables
static const double	MAX_PSNR = 999.99
	Value that is printed instead of PSNR when SSE is zero.
static const double	MAX_SQUARED_ERROR = (double) ((1 << 8 ) - 1) * (double) ((1 << 8 ) - 1)

Macro Definition Documentation

RETVAL_EOF

#define RETVAL_EOF   2

RETVAL_FAILURE

#define RETVAL_FAILURE   1

RETVAL_RUNNING

#define RETVAL_RUNNING   0

Function Documentation

calc_avg_qp()

static double calc_avg_qp ( uint64_t  qp_sum, uint32_t  frames_done  )

static

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compute_psnr()

static void compute_psnr ( const kvz_picture *const  src, const kvz_picture *const  rec, double  psnr[3]  )

static

Parameters

src	source picture
rec	reconstructed picture \prama psnr returns the PSNR

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get_padding()

static unsigned get_padding ( unsigned  width_or_height )

static

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input_read_thread()

static void * input_read_thread ( void *  in_args )

static

Parameters

in_args

pointer to argument struct

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main()

int main	(	int	argc,
		char *	argv[]
	)

Parameters

argc	Argument count from commandline
argv	Argument list

Returns

Program exit state

< Command line options

< input file (YUV)

< output file (HEVC NAL stream)

< reconstructed YUV output, –debug

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open_input_file()

static FILE * open_input_file ( const char *  filename )

static

If the file is "-", stdin is used.

Parameters

filename

name of the file to open or "-"

Returns

the opened file or NULL if opening fails

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open_output_file()

static FILE * open_output_file ( const char *  filename )

static

If the file is "-", stdout is used.

Parameters

filename

name of the file to open or "-"

Returns

the opened file or NULL if opening fails

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output_recon_pictures()

void output_recon_pictures	(	const kvz_api *const	api,
		FILE *	recout,
		kvz_picture *	buffer[32],
		int *	buffer_size,
		uint64_t *	next_pts,
		unsigned	width,
		unsigned	height
	)

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read_header()

static bool read_header ( FILE *  input, kvz_config *  config  )

static

Parameters

input	Pointer to the input file
config	Pointer to the config struct

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Variable Documentation

MAX_PSNR

const double MAX_PSNR = 999.99

static

MAX_SQUARED_ERROR

const double MAX_SQUARED_ERROR = (double) ((1 << 8 ) - 1) * (double) ((1 << 8 ) - 1)

static