speedhq.c File Reference

#include "config.h"
#include "libavutil/attributes.h"
#include "libavutil/mem_internal.h"
#include "avcodec.h"
#include "get_bits.h"
#include "internal.h"
#include "libavutil/thread.h"
#include "mathops.h"
#include "mpeg12.h"
#include "mpeg12data.h"
#include "mpeg12vlc.h"

Go to the source code of this file.

Data Structures
struct	SHQContext

Macros
#define	BITSTREAM_READER_LE
#define	MAX_INDEX   (64 - 1)
#define	ALPHA_VLC_BITS   5

Variables
static const uint16_t	speedhq_vlc [123][2]
static const uint8_t	speedhq_level [121]
static const uint8_t	speedhq_run [121]
RLTable	ff_rl_speedhq

Detailed Description

NewTek SpeedHQ decoder.

Definition in file speedhq.c.

Macro Definition Documentation

BITSTREAM_READER_LE

#define BITSTREAM_READER_LE

Definition at line 27 of file speedhq.c.

MAX_INDEX

#define MAX_INDEX   (64 - 1)

Definition at line 42 of file speedhq.c.

ALPHA_VLC_BITS

#define ALPHA_VLC_BITS   5

Definition at line 48 of file speedhq.c.

Variable Documentation

speedhq_vlc

const uint16_t speedhq_vlc[123][2]

static

Definition at line 63 of file speedhq.c.

speedhq_level

const uint8_t speedhq_level[121]

static

Initial value:

= {
     1,  2,  3,  4,  5,  6,  7,  8,
     9, 10, 11, 12, 13, 14, 15, 16,
    17, 18, 19, 20, 21, 22, 23, 24,
    25, 26, 27, 28, 29, 30, 31, 32,
    33, 34, 35, 36, 37, 38, 39, 40,
     1,  2,  3,  4,  5,  6,  7,  8,
     9, 10, 11, 12, 13, 14, 15, 16,
    17, 18, 19, 20,  1,  2,  3,  4,
     5,  6,  7,  8,  9, 10, 11,  1,
     2,  3,  4,  5,  1,  2,  3,  4,
     1,  2,  3,  1,  2,  3,  1,  2,
     1,  2,  1,  2,  1,  2,  1,  2,
     1,  2,  1,  2,  1,  2,  1,  2,
     1,  2,  1,  1,  1,  1,  1,  1,
     1,  1,  1,  1,  1,  1,  1,  1,
     1,
}

Definition at line 99 of file speedhq.c.

speedhq_run

const uint8_t speedhq_run[121]

static

Initial value:

= {
     0,  0,  0,  0,  0,  0,  0,  0,
     0,  0,  0,  0,  0,  0,  0,  0,
     0,  0,  0,  0,  0,  0,  0,  0,
     0,  0,  0,  0,  0,  0,  0,  0,
     0,  0,  0,  0,  0,  0,  0,  0,
     1,  1,  1,  1,  1,  1,  1,  1,
     1,  1,  1,  1,  1,  1,  1,  1,
     1,  1,  1,  1,  2,  2,  2,  2,
     2,  2,  2,  2,  2,  2,  2,  3,
     3,  3,  3,  3,  4,  4,  4,  4,
     5,  5,  5,  6,  6,  6,  7,  7,
     8,  8,  9,  9, 10, 10, 11, 11,
    12, 12, 13, 13, 14, 14, 15, 15,
    16, 16, 17, 18, 19, 20, 21, 22,
    23, 24, 25, 26, 27, 28, 29, 30,
    31,
}

Definition at line 118 of file speedhq.c.

ff_rl_speedhq

RLTable ff_rl_speedhq

Initial value:

= {
    121,
    121,
    speedhq_vlc,
    speedhq_run,
    speedhq_level,
}

Definition at line 137 of file speedhq.c.

Referenced by encode_block(), and speedhq_init_static_data().