xfaceenc.c File Reference

X-Face encoder, based on libcompface, by James Ashton. More...

#include "xface.h"
#include "avcodec.h"
#include "codec_internal.h"
#include "encode.h"
#include "libavutil/avassert.h"

Go to the source code of this file.

Data Structures
struct	XFaceContext
struct	ProbRangesQueue

Functions
static int	all_same (char *bitmap, int w, int h)
static int	all_black (char *bitmap, int w, int h)
static int	all_white (char *bitmap, int w, int h)
static int	pq_push (ProbRangesQueue *pq, const ProbRange *p)
static void	push_greys (ProbRangesQueue *pq, char *bitmap, int w, int h)
static void	encode_block (char *bitmap, int w, int h, int level, ProbRangesQueue *pq)
static void	push_integer (BigInt *b, const ProbRange *prange)
static int	xface_encode_frame (AVCodecContext *avctx, AVPacket *pkt, const AVFrame *frame, int *got_packet)

Variables
const FFCodec	ff_xface_encoder

Detailed Description

X-Face encoder, based on libcompface, by James Ashton.

Definition in file xfaceenc.c.

Function Documentation

all_same()

static int all_same ( char * bitmap, int w, int h )

static

Definition at line 40 of file xfaceenc.c.

Referenced by all_white().

all_black()

static int all_black ( char * bitmap, int w, int h )

static

Definition at line 57 of file xfaceenc.c.

Referenced by all_black(), and encode_block().

all_white()

static int all_white ( char * bitmap, int w, int h )

static

Definition at line 72 of file xfaceenc.c.

Referenced by encode_block().

pq_push()

static int pq_push ( ProbRangesQueue * pq, const ProbRange * p )

inlinestatic

Definition at line 82 of file xfaceenc.c.

Referenced by encode_block(), and push_greys().

push_greys()

static void push_greys ( ProbRangesQueue * pq, char * bitmap, int w, int h )

static

Definition at line 90 of file xfaceenc.c.

Referenced by encode_block(), and push_greys().

encode_block()

static void encode_block ( char * bitmap, int w, int h, int level, ProbRangesQueue * pq )

static

Definition at line 109 of file xfaceenc.c.

Referenced by encode_block(), and xface_encode_frame().

push_integer()

static void push_integer ( BigInt * b, const ProbRange * prange )

static

Definition at line 128 of file xfaceenc.c.

Referenced by xface_encode_frame().

xface_encode_frame()

static int xface_encode_frame ( AVCodecContext * avctx, AVPacket * pkt, const AVFrame * frame, int * got_packet )

static

Definition at line 137 of file xfaceenc.c.

Variable Documentation

ff_xface_encoder

const FFCodec ff_xface_encoder

Initial value:

= {
    .p.name         = "xface",
    CODEC_LONG_NAME("X-face image"),
    .p.type         = AVMEDIA_TYPE_VIDEO,
    .p.id           = AV_CODEC_ID_XFACE,
    .p.capabilities = AV_CODEC_CAP_DR1 | AV_CODEC_CAP_ENCODER_REORDERED_OPAQUE,
    CODEC_PIXFMTS(AV_PIX_FMT_MONOWHITE),
    .priv_data_size = sizeof(XFaceContext),
    FF_CODEC_ENCODE_CB(xface_encode_frame),
}

Definition at line 214 of file xfaceenc.c.