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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 void push_integer (BigInt *b, const ProbRange *prange)
 
static int xface_encode_frame (AVCodecContext *avctx, AVPacket *pkt, const AVFrame *frame, int *got_packet)
 

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 void push_integer ( BigInt b,
const ProbRange prange 
)
static

Definition at line 127 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 136 of file xfaceenc.c.

Variable Documentation

AVCodec ff_xface_encoder
Initial value:
= {
.name = "xface",
.long_name = NULL_IF_CONFIG_SMALL("X-face image"),
.priv_data_size = sizeof(XFaceContext),
.encode2 = xface_encode_frame,
.capabilities = AV_CODEC_CAP_INTRA_ONLY,
}
#define AV_CODEC_CAP_INTRA_ONLY
Codec is intra only.
Definition: avcodec.h:1036
static int xface_encode_frame(AVCodecContext *avctx, AVPacket *pkt, const AVFrame *frame, int *got_packet)
Definition: xfaceenc.c:136
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification. ...
Definition: internal.h:176
static enum AVPixelFormat pix_fmts[]
Definition: libkvazaar.c:262
Y , 1bpp, 0 is white, 1 is black, in each byte pixels are ordered from the msb to the lsb...
Definition: pixfmt.h:71
AVPixelFormat
Pixel format.
Definition: pixfmt.h:60

Definition at line 214 of file xfaceenc.c.