FFmpeg
Classes | Macros | Typedefs | Variables
jpeg2000dec.c File Reference

JPEG 2000 image decoder. More...

#include <inttypes.h>
#include <math.h>
#include "libavutil/attributes.h"
#include "libavutil/avassert.h"
#include "libavutil/common.h"
#include "libavutil/imgutils.h"
#include "libavutil/opt.h"
#include "libavutil/pixdesc.h"
#include "libavutil/thread.h"
#include "avcodec.h"
#include "bytestream.h"
#include "internal.h"
#include "thread.h"
#include "jpeg2000.h"
#include "jpeg2000dsp.h"
#include "profiles.h"

Classes

struct  Jpeg2000POCEntry
 
struct  Jpeg2000POC
 
struct  Jpeg2000TilePart
 
struct  Jpeg2000Tile
 
struct  Jpeg2000DecoderContext
 

Macros

#define JP2_SIG_TYPE   0x6A502020
 
#define JP2_SIG_VALUE   0x0D0A870A
 
#define JP2_CODESTREAM   0x6A703263
 
#define JP2_HEADER   0x6A703268
 
#define HAD_COC   0x01
 
#define HAD_QCC   0x02
 
#define MAX_POCS   32
 
#define RGB_PIXEL_FORMATS   AV_PIX_FMT_PAL8,AV_PIX_FMT_RGB24,AV_PIX_FMT_RGBA,AV_PIX_FMT_RGB48,AV_PIX_FMT_RGBA64
 
#define GRAY_PIXEL_FORMATS   AV_PIX_FMT_GRAY8,AV_PIX_FMT_GRAY8A,AV_PIX_FMT_GRAY16,AV_PIX_FMT_YA16
 
#define YUV_PIXEL_FORMATS
 
#define XYZ_PIXEL_FORMATS   AV_PIX_FMT_XYZ12
 
#define WRITE_FRAME(D, PIXEL)
 
#define OFFSET(x)   offsetof(Jpeg2000DecoderContext, x)
 
#define VD   AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_DECODING_PARAM
 

Typedefs

typedef struct Jpeg2000POCEntry Jpeg2000POCEntry
 
typedef struct Jpeg2000POC Jpeg2000POC
 
typedef struct Jpeg2000TilePart Jpeg2000TilePart
 
typedef struct Jpeg2000Tile Jpeg2000Tile
 
typedef struct Jpeg2000DecoderContext Jpeg2000DecoderContext
 

Variables

AVCodec ff_jpeg2000_decoder
 

Detailed Description

JPEG 2000 image decoder.

Macro Definition Documentation

§ YUV_PIXEL_FORMATS

#define YUV_PIXEL_FORMATS
Value:
AV_PIX_FMT_YUV420P9,AV_PIX_FMT_YUV422P9,AV_PIX_FMT_YUV444P9, \
AV_PIX_FMT_YUVA420P9,AV_PIX_FMT_YUVA422P9,AV_PIX_FMT_YUVA444P9, \
AV_PIX_FMT_YUV420P10,AV_PIX_FMT_YUV422P10,AV_PIX_FMT_YUV444P10, \
AV_PIX_FMT_YUVA420P10,AV_PIX_FMT_YUVA422P10,AV_PIX_FMT_YUVA444P10, \
AV_PIX_FMT_YUV420P12,AV_PIX_FMT_YUV422P12,AV_PIX_FMT_YUV444P12, \
AV_PIX_FMT_YUV420P14,AV_PIX_FMT_YUV422P14,AV_PIX_FMT_YUV444P14, \
AV_PIX_FMT_YUV420P16,AV_PIX_FMT_YUV422P16,AV_PIX_FMT_YUV444P16, \
AV_PIX_FMT_YUVA420P16,AV_PIX_FMT_YUVA422P16,AV_PIX_FMT_YUVA444P16
planar YUV 4:4:4, 24bpp, (1 Cr & Cb sample per 1x1 Y samples)
Definition: pixfmt.h:67
planar YUV 4:2:0, 20bpp, (1 Cr & Cb sample per 2x2 Y & A samples)
Definition: pixfmt.h:97
planar YUV 4:2:2 24bpp, (1 Cr & Cb sample per 2x1 Y & A samples)
Definition: pixfmt.h:172
planar YUV 4:2:2, 16bpp, (1 Cr & Cb sample per 2x1 Y samples)
Definition: pixfmt.h:66
planar YUV 4:4:4 32bpp, (1 Cr & Cb sample per 1x1 Y & A samples)
Definition: pixfmt.h:173
planar YUV 4:1:0, 9bpp, (1 Cr & Cb sample per 4x4 Y samples)
Definition: pixfmt.h:68
planar YUV 4:1:1, 12bpp, (1 Cr & Cb sample per 4x1 Y samples)
Definition: pixfmt.h:69

Variable Documentation

§ ff_jpeg2000_decoder

AVCodec ff_jpeg2000_decoder
Initial value:
= {
.name = "jpeg2000",
.long_name = NULL_IF_CONFIG_SMALL("JPEG 2000"),
.type = AVMEDIA_TYPE_VIDEO,
.id = AV_CODEC_ID_JPEG2000,
.priv_data_size = sizeof(Jpeg2000DecoderContext),
.init = jpeg2000_decode_init,
.decode = jpeg2000_decode_frame,
.priv_class = &jpeg2000_class,
.max_lowres = 5,
.profiles = NULL_IF_CONFIG_SMALL(ff_jpeg2000_profiles)
}
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification. ...
Definition: internal.h:186
#define AV_CODEC_CAP_FRAME_THREADS
Codec supports frame-level multithreading.
Definition: avcodec.h:1015
Definition: jpeg2000dec.c:90
#define AV_CODEC_CAP_SLICE_THREADS
Codec supports slice-based (or partition-based) multithreading.
Definition: avcodec.h:1019
#define AV_CODEC_CAP_DR1
Codec uses get_buffer() for allocating buffers and supports custom allocators.
Definition: avcodec.h:959