xfaceenc.c File Reference

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

#include "xface.h"
#include "avcodec.h"
#include "internal.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 av_cold int	xface_encode_init (AVCodecContext *avctx)
static void	push_integer (BigInt *b, const ProbRange *prange)
static int	xface_encode_frame (AVCodecContext *avctx, AVPacket *pkt, const AVFrame *frame, int *got_packet)
static av_cold int	xface_encode_close (AVCodecContext *avctx)

Variables
AVCodec	ff_xface_encoder

Detailed Description

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

Definition in file xfaceenc.c.

Function Documentation

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

static

Definition at line 39 of file xfaceenc.c.

Referenced by all_white().

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

static

Definition at line 56 of file xfaceenc.c.

Referenced by encode_block().

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

static

Definition at line 71 of file xfaceenc.c.

Referenced by encode_block().

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

inlinestatic

Definition at line 81 of file xfaceenc.c.

Referenced by encode_block(), and push_greys().

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

static

Definition at line 89 of file xfaceenc.c.

Referenced by encode_block().

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

static

Definition at line 108 of file xfaceenc.c.

Referenced by xface_encode_frame().

static av_cold int xface_encode_init ( AVCodecContext *  avctx )

static

Definition at line 127 of file xfaceenc.c.

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

static

Definition at line 137 of file xfaceenc.c.

Referenced by xface_encode_frame().

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

static

Definition at line 146 of file xfaceenc.c.

static av_cold int xface_encode_close ( AVCodecContext *  avctx )

static

Definition at line 224 of file xfaceenc.c.

Variable Documentation

AVCodec ff_xface_encoder

Initial value:

= {
    .name           = "xface",
    .long_name      = NULL_IF_CONFIG_SMALL("X-face image"),
    .type           = AVMEDIA_TYPE_VIDEO,
    .id             = AV_CODEC_ID_XFACE,
    .priv_data_size = sizeof(XFaceContext),
    .init           = xface_encode_init,
    .close          = xface_encode_close,
    .encode2        = xface_encode_frame,
    .pix_fmts       = (const enum PixelFormat[]) { AV_PIX_FMT_MONOWHITE, AV_PIX_FMT_NONE },
}

Definition at line 231 of file xfaceenc.c.