loco.c File Reference

LOCO codec. More...

#include "avcodec.h"
#include "codec_internal.h"
#include "decode.h"
#include "get_bits.h"
#include "golomb.h"
#include "mathops.h"

Go to the source code of this file.

Data Structures
struct	LOCOContext
struct	RICEContext

Macros
#define	ADVANCE_BY_DECODED

Enumerations
enum	LOCO_MODE {   LOCO_UNKN = 0 , LOCO_CYUY2 = -1 , LOCO_CRGB = -2 , LOCO_CRGBA = -3 ,   LOCO_CYV12 = -4 , LOCO_YUY2 = 1 , LOCO_UYVY = 2 , LOCO_RGB = 3 ,   LOCO_RGBA = 4 , LOCO_YV12 = 5 }

Functions
static int	loco_get_rice_param (RICEContext *r)
static void	loco_update_rice_param (RICEContext *r, int val)
static int	loco_get_rice (RICEContext *r)
static int	loco_predict (uint8_t *data, int stride)
static int	loco_decode_plane (LOCOContext *l, uint8_t *data, int width, int height, int stride, const uint8_t *buf, int buf_size)
static void	rotate_faulty_loco (uint8_t *data, int width, int height, int stride)
static int	decode_frame (AVCodecContext *avctx, AVFrame *p, int *got_frame, AVPacket *avpkt)
static av_cold int	decode_init (AVCodecContext *avctx)

Variables
const FFCodec	ff_loco_decoder

Detailed Description

LOCO codec.

Definition in file loco.c.

Macro Definition Documentation

ADVANCE_BY_DECODED

#define ADVANCE_BY_DECODED

Value:

    do { \
    if (decoded < 0 || decoded >= buf_size) goto buf_too_small; \
    buf += decoded; buf_size -= decoded; \
} while(0)

Referenced by decode_frame().

Enumeration Type Documentation

LOCO_MODE

enum LOCO_MODE

Enumerator
LOCO_UNKN
LOCO_CYUY2
LOCO_CRGB
LOCO_CRGBA
LOCO_CYV12
LOCO_YUY2
LOCO_UYVY
LOCO_RGB
LOCO_RGBA
LOCO_YV12

Definition at line 34 of file loco.c.

Function Documentation

loco_get_rice_param()

static int loco_get_rice_param ( RICEContext * r )

static

Definition at line 60 of file loco.c.

Referenced by loco_get_rice().

loco_update_rice_param()

static void loco_update_rice_param ( RICEContext * r, int val )

inlinestatic

Definition at line 73 of file loco.c.

Referenced by loco_get_rice().

loco_get_rice()

static int loco_get_rice ( RICEContext * r )

inlinestatic

Definition at line 84 of file loco.c.

Referenced by loco_decode_plane().

loco_predict()

static int loco_predict ( uint8_t * data, int stride )

inlinestatic

Definition at line 125 of file loco.c.

Referenced by loco_decode_plane().

loco_decode_plane()

static int loco_decode_plane ( LOCOContext * l, uint8_t * data, int width, int height, int stride, const uint8_t * buf, int buf_size )

static

Definition at line 136 of file loco.c.

Referenced by decode_frame().

rotate_faulty_loco()

static void rotate_faulty_loco ( uint8_t * data, int width, int height, int stride )

static

Definition at line 190 of file loco.c.

Referenced by decode_frame().

decode_frame()

static int decode_frame ( AVCodecContext * avctx, AVFrame * p, int * got_frame, AVPacket * avpkt )

static

Definition at line 206 of file loco.c.

decode_init()

static av_cold int decode_init ( AVCodecContext * avctx )

static

Definition at line 287 of file loco.c.

Variable Documentation

ff_loco_decoder

const FFCodec ff_loco_decoder

Initial value:

= {
    .p.name         = "loco",
    CODEC_LONG_NAME("LOCO"),
    .p.type         = AVMEDIA_TYPE_VIDEO,
    .p.id           = AV_CODEC_ID_LOCO,
    .priv_data_size = sizeof(LOCOContext),
    .init           = decode_init,
    FF_CODEC_DECODE_CB(decode_frame),
    .p.capabilities = AV_CODEC_CAP_DR1,
}

Definition at line 345 of file loco.c.