jpeglsenc.c File Reference

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

Include dependency graph for jpeglsenc.c:

Go to the source code of this file.

Functions
static void	ls_encode_regular (JLSState *state, PutBitContext *pb, int Q, int err)
static void	ls_encode_runterm (JLSState *state, PutBitContext *pb, int RItype, int err, int limit_add)
static void	ls_encode_run (JLSState *state, PutBitContext *pb, int run, int comp, int trail)
static void	ls_encode_line (JLSState *state, PutBitContext *pb, void *last, void *cur, int last2, int w, int stride, int comp, int bits)
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 384 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  )

inlinestatic

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  )

inlinestatic

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  )

inlinestatic

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  )

inlinestatic

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

AVCodec ff_jpegls_encoder

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 AVPixelFormat[]){
        AV_PIX_FMT_BGR24, AV_PIX_FMT_RGB24, AV_PIX_FMT_GRAY8, AV_PIX_FMT_GRAY16,
        AV_PIX_FMT_NONE
    },
    .long_name      = NULL_IF_CONFIG_SMALL("JPEG-LS"),
}

Definition at line 397 of file jpeglsenc.c.