Libav 0.7.1
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JPEG-LS decoder. More...
#include "avcodec.h"
#include "get_bits.h"
#include "golomb.h"
#include "mathops.h"
#include "mjpeg.h"
#include "mjpegdec.h"
#include "jpegls.h"
#include "jpeglsdec.h"
Go to the source code of this file.
Functions | |
int | ff_jpegls_decode_lse (MJpegDecodeContext *s) |
Decode LSE block with initialization parameters. | |
static int | ls_get_code_regular (GetBitContext *gb, JLSState *state, int Q) |
Get context-dependent Golomb code, decode it and update context. | |
static int | ls_get_code_runterm (GetBitContext *gb, JLSState *state, int RItype, int limit_add) |
Get Golomb code, decode it and update state for run termination. | |
static void | ls_decode_line (JLSState *state, MJpegDecodeContext *s, void *last, void *dst, int last2, int w, int stride, int comp, int bits) |
Decode one line of image. | |
int | ff_jpegls_decode_picture (MJpegDecodeContext *s, int near, int point_transform, int ilv) |
Variables | |
AVCodec | ff_jpegls_decoder |
JPEG-LS decoder.
Definition in file jpeglsdec.c.
int ff_jpegls_decode_lse | ( | MJpegDecodeContext * | s | ) |
Decode LSE block with initialization parameters.
Definition at line 52 of file jpeglsdec.c.
Referenced by ff_mjpeg_decode_frame().
int ff_jpegls_decode_picture | ( | MJpegDecodeContext * | s, |
int | near, | ||
int | point_transform, | ||
int | ilv | ||
) |
Definition at line 259 of file jpeglsdec.c.
Referenced by ff_mjpeg_decode_sos().
static void ls_decode_line | ( | JLSState * | state, |
MJpegDecodeContext * | s, | ||
void * | last, | ||
void * | dst, | ||
int | last2, | ||
int | w, | ||
int | stride, | ||
int | comp, | ||
int | bits | ||
) | [inline, static] |
Decode one line of image.
Definition at line 157 of file jpeglsdec.c.
Referenced by ff_jpegls_decode_picture().
static int ls_get_code_regular | ( | GetBitContext * | gb, |
JLSState * | state, | ||
int | Q | ||
) | [inline, static] |
Get context-dependent Golomb code, decode it and update context.
Definition at line 90 of file jpeglsdec.c.
Referenced by ls_decode_line().
static int ls_get_code_runterm | ( | GetBitContext * | gb, |
JLSState * | state, | ||
int | RItype, | ||
int | limit_add | ||
) | [inline, static] |
Get Golomb code, decode it and update state for run termination.
Definition at line 118 of file jpeglsdec.c.
Referenced by ls_decode_line().
{ "jpegls", AVMEDIA_TYPE_VIDEO, CODEC_ID_JPEGLS, sizeof(MJpegDecodeContext), ff_mjpeg_decode_init, NULL, ff_mjpeg_decode_end, ff_mjpeg_decode_frame, CODEC_CAP_DR1, .long_name = NULL_IF_CONFIG_SMALL("JPEG-LS"), }
Definition at line 366 of file jpeglsdec.c.