xbmdec.c File Reference

#include "libavutil/reverse.h"
#include "avcodec.h"
#include "codec_internal.h"
#include "decode.h"

Go to the source code of this file.

Macros
#define	TIMES256(idx)   TIMES64(4 * (idx)) TIMES64(4 * (idx) + 1) TIMES64(4 * (idx) + 2) TIMES64(4 * (idx) + 3)
#define	TIMES64(idx)   TIMES16(4 * (idx)) TIMES16(4 * (idx) + 1) TIMES16(4 * (idx) + 2) TIMES16(4 * (idx) + 3)
#define	TIMES16(idx)   TIMES4(4 * (idx)) TIMES4(4 * (idx) + 1) TIMES4(4 * (idx) + 2) TIMES4(4 * (idx) + 3)
#define	TIMES4(idx)   ENTRY(4 * (idx)) ENTRY(4 * (idx) + 1) ENTRY(4 * (idx) + 2) ENTRY(4 * (idx) + 3)
#define	ENTRY(x)

Functions
static int	get_nibble (uint8_t x)
static int	parse_str_int (const uint8_t *p, const uint8_t *end, const uint8_t *key)
static int	xbm_decode_frame (AVCodecContext *avctx, AVFrame *p, int *got_frame, AVPacket *avpkt)

Variables
const FFCodec	ff_xbm_decoder

Macro Definition Documentation

TIMES256

#define TIMES256

(

idx

)

TIMES64(4 * (idx)) TIMES64(4 * (idx) + 1) TIMES64(4 * (idx) + 2) TIMES64(4 * (idx) + 3)

TIMES64

#define TIMES64

(

idx

)

TIMES16(4 * (idx)) TIMES16(4 * (idx) + 1) TIMES16(4 * (idx) + 2) TIMES16(4 * (idx) + 3)

TIMES16

#define TIMES16

(

idx

)

TIMES4(4 * (idx)) TIMES4(4 * (idx) + 1) TIMES4(4 * (idx) + 2) TIMES4(4 * (idx) + 3)

TIMES4

#define TIMES4

(

idx

)

ENTRY(4 * (idx)) ENTRY(4 * (idx) + 1) ENTRY(4 * (idx) + 2) ENTRY(4 * (idx) + 3)

ENTRY

#define ENTRY

(

x

)

Value:

                       [x] = ((x) >= 'a' && (x) <= 'f') ? (x) - ('a' - 10) : \
                       ((x) >= 'A' && (x) <= 'F') ? (x) - ('A' - 10) : \
                       ((x) >= '0' && (x) <= '9') ? (x) - '0' : 255,

Function Documentation

get_nibble()

static int get_nibble ( uint8_t  x )

static

Definition at line 29 of file xbmdec.c.

Referenced by xbm_decode_frame().

parse_str_int()

static int parse_str_int ( const uint8_t *  p, const uint8_t *  end, const uint8_t *  key  )

static

Definition at line 49 of file xbmdec.c.

Referenced by xbm_decode_frame().

xbm_decode_frame()

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

static

Definition at line 71 of file xbmdec.c.

Variable Documentation

ff_xbm_decoder

const FFCodec ff_xbm_decoder

Initial value:

= {
    .p.name       = "xbm",
    CODEC_LONG_NAME("XBM (X BitMap) image"),
    .p.type       = AVMEDIA_TYPE_VIDEO,
    .p.id         = AV_CODEC_ID_XBM,
    .p.capabilities = AV_CODEC_CAP_DR1,
    .caps_internal  = FF_CODEC_CAP_SKIP_FRAME_FILL_PARAM,
    FF_CODEC_DECODE_CB(xbm_decode_frame),
}

Definition at line 143 of file xbmdec.c.