ff_mpeg_parser.c File Reference

#include "ff_mpeg_parser.h"
#include <stdint.h>
#include <stdlib.h>
#include <xine/xine_internal.h>

Macros
#define	LOG_MODULE   "mpeg_parser"
#define	LOG_VERBOSE
#define	BUFFER_SIZE   (1194 * 1024) /* libmpeg2's buffer size */
#define	I_TYPE   1
#define	P_TYPE   2
#define	B_TYPE   3
#define	D_TYPE   4

Functions
void	mpeg_parser_init (mpeg_parser_t *parser, size_t padding_size)
void	mpeg_parser_dispose (mpeg_parser_t *parser)
void	mpeg_parser_reset (mpeg_parser_t *parser)
static void	parse_header_picture (mpeg_parser_t *parser, uint8_t *buffer)
static double	get_aspect_ratio (mpeg_parser_t *parser)
static int	parse_chunk (mpeg_parser_t *parser, int code, uint8_t *buffer, int len)
static uint8_t *	copy_chunk (mpeg_parser_t *parser, uint8_t *current, uint8_t *end)
uint8_t *	mpeg_parser_decode_data (mpeg_parser_t *parser, uint8_t *current, uint8_t *end, int *flush)

Variables
static const int	frame_rate_tab [][2]

Macro Definition Documentation

B_TYPE

#define B_TYPE   3

BUFFER_SIZE

#define BUFFER_SIZE   (1194 * 1024) /* libmpeg2's buffer size */

D_TYPE

#define D_TYPE   4

I_TYPE

#define I_TYPE   1

LOG_MODULE

#define LOG_MODULE   "mpeg_parser"

LOG_VERBOSE

#define LOG_VERBOSE

P_TYPE

#define P_TYPE   2

Function Documentation

copy_chunk()

static uint8_t* copy_chunk ( mpeg_parser_t *  parser, uint8_t *  current, uint8_t *  end  )

inlinestatic

References BUFFER_SIZE, mpeg_parser_s::chunk_buffer, mpeg_parser_s::chunk_ptr, mpeg_parser_s::code, lprintf, NULL, and mpeg_parser_s::shift.

Referenced by mpeg_parser_decode_data().

get_aspect_ratio()

static double get_aspect_ratio ( mpeg_parser_t *  parser )

static

References mpeg_parser_s::aspect_ratio_info, mpeg_parser_s::height, mpeg_parser_s::is_mpeg1, and mpeg_parser_s::width.

Referenced by mpeg_parser_decode_data().

mpeg_parser_decode_data()

uint8_t* mpeg_parser_decode_data	(	mpeg_parser_t *	parser,
		uint8_t *	current,
		uint8_t *	end,
		int *	flush
	)

References mpeg_parser_s::buffer_size, mpeg_parser_s::chunk_buffer, mpeg_parser_s::chunk_ptr, mpeg_parser_s::chunk_start, mpeg_parser_s::code, code, copy_chunk(), mpeg_parser_s::frame_aspect_ratio, get_aspect_ratio(), mpeg_parser_s::has_sequence, NULL, and parse_chunk().

Referenced by ff_handle_mpeg12_buffer().

mpeg_parser_dispose()

void mpeg_parser_dispose

(

mpeg_parser_t *

parser

)

References mpeg_parser_s::chunk_buffer, and NULL.

Referenced by ff_dispose().

mpeg_parser_init()

void mpeg_parser_init	(	mpeg_parser_t *	parser,
		size_t	padding_size
	)

References BUFFER_SIZE, mpeg_parser_s::chunk_buffer, and mpeg_parser_reset().

Referenced by ff_init_mpeg12_mode().

mpeg_parser_reset()

void mpeg_parser_reset

(

mpeg_parser_t *

parser

)

References mpeg_parser_s::aspect_ratio_info, mpeg_parser_s::buffer_size, mpeg_parser_s::chunk_buffer, mpeg_parser_s::chunk_ptr, mpeg_parser_s::chunk_start, mpeg_parser_s::code, mpeg_parser_s::frame_aspect_ratio, mpeg_parser_s::frame_duration, mpeg_parser_s::has_sequence, mpeg_parser_s::height, mpeg_parser_s::in_slice, mpeg_parser_s::is_mpeg1, mpeg_parser_s::is_sequence_needed, mpeg_parser_s::picture_coding_type, mpeg_parser_s::rate_code, mpeg_parser_s::shift, and mpeg_parser_s::width.

Referenced by ff_reset(), and mpeg_parser_init().

parse_chunk()

static int parse_chunk ( mpeg_parser_t *  parser, int  code, uint8_t *  buffer, int  len  )

static

References mpeg_parser_s::aspect_ratio_info, B_TYPE, mpeg_parser_s::chunk_buffer, mpeg_parser_s::chunk_ptr, mpeg_parser_s::code, code, mpeg_parser_s::frame_duration, frame_rate_tab, mpeg_parser_s::has_sequence, height, mpeg_parser_s::height, I_TYPE, mpeg_parser_s::in_slice, mpeg_parser_s::is_mpeg1, mpeg_parser_s::is_sequence_needed, lprintf, P_TYPE, parse_header_picture(), mpeg_parser_s::picture_coding_type, mpeg_parser_s::rate_code, width, and mpeg_parser_s::width.

Referenced by mpeg_parser_decode_data().

parse_header_picture()

static void parse_header_picture ( mpeg_parser_t *  parser, uint8_t *  buffer  )

static

References mpeg_parser_s::picture_coding_type.

Referenced by parse_chunk().

Variable Documentation

frame_rate_tab

const int frame_rate_tab[][2]

static

Initial value:

= {
    {    1,    1},
    {24000, 1001},
    {   24,    1},
    {   25,    1},
    {30000, 1001},
    {   30,    1},
    {   50,    1},
    {60000, 1001},
    {   60,    1},
  
    {   15,    1},
  
    {    5,    1},
    {   10,    1},
    {   12,    1},
    {   15,    1},
    {    1,    1},
}

Referenced by parse_chunk().