FFmpeg
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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)
 
#define TIMES64(idx)
 
#define TIMES16(idx)
 
#define TIMES4(idx)
 
#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)
Value:
TIMES64(4 * (idx)) TIMES64(4 * (idx) + 1) TIMES64(4 * (idx) + 2) TIMES64(4 * (idx) + 3)
#define TIMES64(idx)

Referenced by get_nibble().

◆ TIMES64

#define TIMES64 ( idx)
Value:
TIMES16(4 * (idx)) TIMES16(4 * (idx) + 1) TIMES16(4 * (idx) + 2) TIMES16(4 * (idx) + 3)
#define TIMES16(idx)

◆ TIMES16

#define TIMES16 ( idx)
Value:
TIMES4(4 * (idx)) TIMES4(4 * (idx) + 1) TIMES4(4 * (idx) + 2) TIMES4(4 * (idx) + 3)
#define TIMES4(idx)

◆ TIMES4

#define TIMES4 ( idx)
Value:
ENTRY(4 * (idx)) ENTRY(4 * (idx) + 1) ENTRY(4 * (idx) + 2) ENTRY(4 * (idx) + 3)
#define ENTRY(idx, string)

◆ 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,
}
#define FF_CODEC_CAP_SKIP_FRAME_FILL_PARAM
The decoder extracts and fills its parameters even if the frame is skipped due to the skip_frame sett...
#define FF_CODEC_DECODE_CB(func)
#define CODEC_LONG_NAME(str)
#define AV_CODEC_CAP_DR1
Codec uses get_buffer() or get_encode_buffer() for allocating buffers and supports custom allocators.
Definition codec.h:49
@ AV_CODEC_ID_XBM
Definition codec_id.h:209
@ AVMEDIA_TYPE_VIDEO
Definition avutil.h:200
static int xbm_decode_frame(AVCodecContext *avctx, AVFrame *p, int *got_frame, AVPacket *avpkt)
Definition xbmdec.c:71

Definition at line 143 of file xbmdec.c.