xfacedec.c File Reference

#include "libavutil/pixdesc.h"
#include "avcodec.h"
#include "bytestream.h"
#include "codec_internal.h"
#include "internal.h"
#include "xface.h"

Go to the source code of this file.

Data Structures
struct	XFaceContext

Functions
static int	pop_integer (BigInt *b, const ProbRange *pranges)
static void	pop_greys (BigInt *b, char *bitmap, int w, int h)
static void	decode_block (BigInt *b, char *bitmap, int w, int h, int level)
static av_cold int	xface_decode_init (AVCodecContext *avctx)
static int	xface_decode_frame (AVCodecContext *avctx, AVFrame *frame, int *got_frame, AVPacket *avpkt)

Variables
const FFCodec	ff_xface_decoder

Detailed Description

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

Definition in file xfacedec.c.

Function Documentation

pop_integer()

static int pop_integer ( BigInt *  b, const ProbRange *  pranges  )

static

Definition at line 34 of file xfacedec.c.

Referenced by decode_block(), and pop_greys().

pop_greys()

static void pop_greys ( BigInt *  b, char *  bitmap, int  w, int  h  )

static

Definition at line 52 of file xfacedec.c.

Referenced by decode_block().

decode_block()

static void decode_block ( BigInt *  b, char *  bitmap, int  w, int  h, int  level  )

static

Definition at line 70 of file xfacedec.c.

Referenced by xface_decode_frame().

xface_decode_init()

static av_cold int xface_decode_init ( AVCodecContext *  avctx )

static

Definition at line 94 of file xfacedec.c.

xface_decode_frame()

static int xface_decode_frame ( AVCodecContext *  avctx, AVFrame *  frame, int *  got_frame, AVPacket *  avpkt  )

static

Definition at line 112 of file xfacedec.c.

Variable Documentation

ff_xface_decoder

const FFCodec ff_xface_decoder

Initial value:

= {
    .p.name         = "xface",
    .p.long_name    = NULL_IF_CONFIG_SMALL("X-face image"),
    .p.type         = AVMEDIA_TYPE_VIDEO,
    .p.id           = AV_CODEC_ID_XFACE,
    .p.capabilities = AV_CODEC_CAP_DR1,
    .priv_data_size = sizeof(XFaceContext),
    .init           = xface_decode_init,
    FF_CODEC_DECODE_CB(xface_decode_frame),
    .p.pix_fmts     = (const enum AVPixelFormat[]) { AV_PIX_FMT_MONOWHITE, AV_PIX_FMT_NONE },
    .caps_internal  = FF_CODEC_CAP_INIT_THREADSAFE,
}

Definition at line 178 of file xfacedec.c.