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

AVCodec ff_jpegls_encoder

Initial value:

 { 
    .name           = "jpegls",
    .type           = AVMEDIA_TYPE_VIDEO,
    .id             = 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.