libavcodec/loco.c File Reference

LOCO codec. More...

#include "avcodec.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
Defines
#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, int step)
static int	loco_decode_plane (LOCOContext *l, uint8_t *data, int width, int height, int stride, const uint8_t *buf, int buf_size, int step)
static int	decode_frame (AVCodecContext *avctx, void *data, int *data_size, AVPacket *avpkt)
static av_cold int	decode_init (AVCodecContext *avctx)
static av_cold int	decode_end (AVCodecContext *avctx)
Variables
AVCodec	ff_loco_decoder

---

Detailed Description

LOCO codec.

Definition in file loco.c.

---

Define Documentation

#define ADVANCE_BY_DECODED

Value:

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

Referenced by decode_frame().

---

Enumeration Type Documentation

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 32 of file loco.c.

---

Function Documentation

static av_cold int decode_end

(

AVCodecContext *

avctx

)

[static]

Definition at line 288 of file loco.c.

static int decode_frame	(	AVCodecContext *	avctx,
		void *	data,
		int *	data_size,
		AVPacket *	avpkt
	)			[static]

Definition at line 162 of file loco.c.

static av_cold int decode_init

(

AVCodecContext *

avctx

)

[static]

Definition at line 239 of file loco.c.

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

Definition at line 119 of file loco.c.

Referenced by decode_frame().

static int loco_get_rice

(

RICEContext *

r

)

[inline, static]

Definition at line 73 of file loco.c.

Referenced by loco_decode_plane().

static int loco_get_rice_param

(

RICEContext *

r

)

[static]

Definition at line 49 of file loco.c.

Referenced by loco_get_rice().

static int loco_predict	(	uint8_t *	data,
		int	stride,
		int	step
	)			[inline, static]

Definition at line 108 of file loco.c.

Referenced by loco_decode_plane().

static void loco_update_rice_param	(	RICEContext *	r,
		int	val
	)			[inline, static]

Definition at line 62 of file loco.c.

Referenced by loco_get_rice().

---

Variable Documentation

AVCodec ff_loco_decoder

Initial value:

 {
    .name           = "loco",
    .type           = AVMEDIA_TYPE_VIDEO,
    .id             = AV_CODEC_ID_LOCO,
    .priv_data_size = sizeof(LOCOContext),
    .init           = decode_init,
    .close          = decode_end,
    .decode         = decode_frame,
    .capabilities   = CODEC_CAP_DR1,
    .long_name      = NULL_IF_CONFIG_SMALL("LOCO"),
}

Definition at line 298 of file loco.c.