libavcodec/jpeglsenc.c File Reference

JPEG-LS encoder. More...

#include "avcodec.h"
#include "get_bits.h"
#include "golomb.h"
#include "internal.h"
#include "mathops.h"
#include "dsputil.h"
#include "mjpeg.h"
#include "jpegls.h"

Go to the source code of this file.

Functions

static void ls_encode_regular (JLSState *state, PutBitContext *pb, int Q, int err)
 Encode error from regular symbol.
static void ls_encode_runterm (JLSState *state, PutBitContext *pb, int RItype, int err, int limit_add)
 Encode error from run termination.
static void ls_encode_run (JLSState *state, PutBitContext *pb, int run, int comp, int trail)
 Encode run value as specified by JPEG-LS standard.
static void ls_encode_line (JLSState *state, PutBitContext *pb, void *last, void *cur, int last2, int w, int stride, int comp, int bits)
 Encode one line of image.
static void ls_store_lse (JLSState *state, PutBitContext *pb)
static int encode_picture_ls (AVCodecContext *avctx, AVPacket *pkt, const AVFrame *pict, int *got_packet)
static av_cold int encode_init_ls (AVCodecContext *ctx)

Variables

AVCodec ff_jpegls_encoder


Detailed Description

JPEG-LS encoder.

Definition in file jpeglsenc.c.


Function Documentation

static av_cold int encode_init_ls ( AVCodecContext ctx  )  [static]

Definition at line 382 of file jpeglsenc.c.

static int encode_picture_ls ( AVCodecContext avctx,
AVPacket pkt,
const AVFrame pict,
int got_packet 
) [static]

Definition at line 230 of file jpeglsenc.c.

static void ls_encode_line ( JLSState state,
PutBitContext pb,
void *  last,
void *  cur,
int  last2,
int  w,
int  stride,
int  comp,
int  bits 
) [inline, static]

Encode one line of image.

Definition at line 116 of file jpeglsenc.c.

Referenced by encode_picture_ls().

static void ls_encode_regular ( JLSState state,
PutBitContext pb,
int  Q,
int  err 
) [inline, static]

Encode error from regular symbol.

Definition at line 41 of file jpeglsenc.c.

Referenced by ls_encode_line().

static void ls_encode_run ( JLSState state,
PutBitContext pb,
int  run,
int  comp,
int  trail 
) [inline, static]

Encode run value as specified by JPEG-LS standard.

Definition at line 96 of file jpeglsenc.c.

Referenced by ls_encode_line().

static void ls_encode_runterm ( JLSState state,
PutBitContext pb,
int  RItype,
int  err,
int  limit_add 
) [inline, static]

Encode error from run termination.

Definition at line 66 of file jpeglsenc.c.

Referenced by ls_encode_line().

static void ls_store_lse ( JLSState state,
PutBitContext pb 
) [static]

Definition at line 211 of file jpeglsenc.c.

Referenced by encode_picture_ls().


Variable Documentation

Initial value:

 {
    .name           = "jpegls",
    .type           = AVMEDIA_TYPE_VIDEO,
    .id             = AV_CODEC_ID_JPEGLS,
    .priv_data_size = sizeof(JpeglsContext),
    .init           = encode_init_ls,
    .encode2        = encode_picture_ls,
    .pix_fmts       = (const enum PixelFormat[]){
        PIX_FMT_BGR24, PIX_FMT_RGB24, PIX_FMT_GRAY8, PIX_FMT_GRAY16,
        PIX_FMT_NONE
    },
    .long_name      = NULL_IF_CONFIG_SMALL("JPEG-LS"),
}

Definition at line 395 of file jpeglsenc.c.


Generated on Fri Oct 26 02:50:06 2012 for FFmpeg by  doxygen 1.5.8