JPEG 2000 encoder using libopenjpeg. More...

#include "libavutil/avassert.h"
#include "libavutil/common.h"
#include "libavutil/imgutils.h"
#include "libavutil/intreadwrite.h"
#include "libavutil/opt.h"
#include "avcodec.h"
#include "internal.h"
#include <openjpeg.h>

Data Structures
struct	LibOpenJPEGContext

Macros
#define	OPJ_STATIC

#define	OFFSET(x) offsetof(LibOpenJPEGContext, x)

#define	VE AV_OPT_FLAG_VIDEO_PARAM \| AV_OPT_FLAG_ENCODING_PARAM

Functions
static void	error_callback (const char msg, void data)

static void	warning_callback (const char msg, void data)

static void	info_callback (const char msg, void data)

static opj_image_t *	mj2_create_image (AVCodecContext avctx, opj_cparameters_t parameters)

static av_cold int	libopenjpeg_encode_init (AVCodecContext *avctx)

static int	libopenjpeg_copy_packed8 (AVCodecContext avctx, const AVFrame frame, opj_image_t *image)

static int	libopenjpeg_copy_packed16 (AVCodecContext avctx, const AVFrame frame, opj_image_t *image)

static int	libopenjpeg_copy_unpacked8 (AVCodecContext avctx, const AVFrame frame, opj_image_t *image)

static int	libopenjpeg_copy_unpacked16 (AVCodecContext avctx, const AVFrame frame, opj_image_t *image)

static int	libopenjpeg_encode_frame (AVCodecContext avctx, AVPacket pkt, const AVFrame frame, int got_packet)

static av_cold int	libopenjpeg_encode_close (AVCodecContext *avctx)

Variables
static const AVOption	options []

class {
class_name = "libopenjpeg"

item_name = av_default_item_name

option = options

version = LIBAVUTIL_VERSION_INT

};

AVCodec	ff_libopenjpeg_encoder

Detailed Description

JPEG 2000 encoder using libopenjpeg.

Definition in file libopenjpegenc.c.

Macro Definition Documentation

#define OPJ_STATIC

Definition at line 27 of file libopenjpegenc.c.

#define OFFSET ( x ) offsetof(LibOpenJPEGContext, x)

Definition at line 461 of file libopenjpegenc.c.

#define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM

Definition at line 462 of file libopenjpegenc.c.

Function Documentation

static void error_callback	(	const char *	msg,
		void *	data
	)

static

Definition at line 60 of file libopenjpegenc.c.

Referenced by libopenjpeg_encode_init().

static void warning_callback	(	const char *	msg,
		void *	data
	)

static

Definition at line 65 of file libopenjpegenc.c.

Referenced by libopenjpeg_encode_init().

static void info_callback	(	const char *	msg,
		void *	data
	)

static

Definition at line 70 of file libopenjpegenc.c.

Referenced by libopenjpeg_encode_init().

static opj_image_t* mj2_create_image	(	AVCodecContext *	avctx,
		opj_cparameters_t *	parameters
	)

static

Definition at line 75 of file libopenjpegenc.c.

Referenced by libopenjpeg_encode_init().

static av_cold int libopenjpeg_encode_init ( AVCodecContext * avctx )

static

Definition at line 167 of file libopenjpegenc.c.

static int libopenjpeg_copy_packed8	(	AVCodecContext *	avctx,
		const AVFrame *	frame,
		opj_image_t *	image
	)

static

Definition at line 218 of file libopenjpegenc.c.

Referenced by libopenjpeg_encode_frame().

static int libopenjpeg_copy_packed16	(	AVCodecContext *	avctx,
		const AVFrame *	frame,
		opj_image_t *	image
	)

static

Definition at line 248 of file libopenjpegenc.c.

Referenced by libopenjpeg_encode_frame().

static int libopenjpeg_copy_unpacked8	(	AVCodecContext *	avctx,
		const AVFrame *	frame,
		opj_image_t *	image
	)

static

Definition at line 279 of file libopenjpegenc.c.

Referenced by libopenjpeg_encode_frame().

static int libopenjpeg_copy_unpacked16	(	AVCodecContext *	avctx,
		const AVFrame *	frame,
		opj_image_t *	image
	)

static

Definition at line 311 of file libopenjpegenc.c.

Referenced by libopenjpeg_encode_frame().

static int libopenjpeg_encode_frame	(	AVCodecContext *	avctx,
		AVPacket *	pkt,
		const AVFrame *	frame,
		int *	got_packet
	)

static

Definition at line 345 of file libopenjpegenc.c.

static av_cold int libopenjpeg_encode_close ( AVCodecContext * avctx )

static

Definition at line 451 of file libopenjpegenc.c.

Variable Documentation

const AVOption options[]

static

Initial value:

= {
    { "format",        "Codec Format",      OFFSET(format),        AV_OPT_TYPE_INT,   { .i64 = CODEC_JP2   }, CODEC_J2K, CODEC_JP2,   VE, "format"      },
    { "j2k",           NULL,                0,                     AV_OPT_TYPE_CONST, { .i64 = CODEC_J2K   }, 0,         0,           VE, "format"      },
    { "jp2",           NULL,                0,                     AV_OPT_TYPE_CONST, { .i64 = CODEC_JP2   }, 0,         0,           VE, "format"      },
    { "profile",       NULL,                OFFSET(profile),       AV_OPT_TYPE_INT,   { .i64 = STD_RSIZ    }, STD_RSIZ,  CINEMA4K,    VE, "profile"     },
    { "jpeg2000",      NULL,                0,                     AV_OPT_TYPE_CONST, { .i64 = STD_RSIZ    }, 0,         0,           VE, "profile"     },
    { "cinema2k",      NULL,                0,                     AV_OPT_TYPE_CONST, { .i64 = CINEMA2K    }, 0,         0,           VE, "profile"     },
    { "cinema4k",      NULL,                0,                     AV_OPT_TYPE_CONST, { .i64 = CINEMA4K    }, 0,         0,           VE, "profile"     },
    { "cinema_mode",   "Digital Cinema",    OFFSET(cinema_mode),   AV_OPT_TYPE_INT,   { .i64 = OFF         }, OFF,       CINEMA4K_24, VE, "cinema_mode" },
    { "off",           NULL,                0,                     AV_OPT_TYPE_CONST, { .i64 = OFF         }, 0,         0,           VE, "cinema_mode" },
    { "2k_24",         NULL,                0,                     AV_OPT_TYPE_CONST, { .i64 = CINEMA2K_24 }, 0,         0,           VE, "cinema_mode" },
    { "2k_48",         NULL,                0,                     AV_OPT_TYPE_CONST, { .i64 = CINEMA2K_48 }, 0,         0,           VE, "cinema_mode" },
    { "4k_24",         NULL,                0,                     AV_OPT_TYPE_CONST, { .i64 = CINEMA4K_24 }, 0,         0,           VE, "cinema_mode" },
    { "prog_order",    "Progression Order", OFFSET(prog_order),    AV_OPT_TYPE_INT,   { .i64 = LRCP        }, LRCP,      CPRL,        VE, "prog_order"  },
    { "lrcp",          NULL,                0,                     AV_OPT_TYPE_CONST, { .i64 = LRCP        }, 0,         0,           VE, "prog_order"  },
    { "rlcp",          NULL,                0,                     AV_OPT_TYPE_CONST, { .i64 = RLCP        }, 0,         0,           VE, "prog_order"  },
    { "rpcl",          NULL,                0,                     AV_OPT_TYPE_CONST, { .i64 = RPCL        }, 0,         0,           VE, "prog_order"  },
    { "pcrl",          NULL,                0,                     AV_OPT_TYPE_CONST, { .i64 = PCRL        }, 0,         0,           VE, "prog_order"  },
    { "cprl",          NULL,                0,                     AV_OPT_TYPE_CONST, { .i64 = CPRL        }, 0,         0,           VE, "prog_order"  },
    { "numresolution", NULL,                OFFSET(numresolution), AV_OPT_TYPE_INT,   { .i64 = 6           }, 1,         INT_MAX,     VE                },
    { "numlayers",     NULL,                OFFSET(numlayers),     AV_OPT_TYPE_INT,   { .i64 = 1           }, 1,         10,          VE                },
    { "disto_alloc",   NULL,                OFFSET(disto_alloc),   AV_OPT_TYPE_INT,   { .i64 = 1           }, 0,         1,           VE                },
    { "fixed_alloc",   NULL,                OFFSET(fixed_alloc),   AV_OPT_TYPE_INT,   { .i64 = 0           }, 0,         1,           VE                },
    { "fixed_quality", NULL,                OFFSET(fixed_quality), AV_OPT_TYPE_INT,   { .i64 = 0           }, 0,         1,           VE                },
    { NULL },
}

Definition at line 463 of file libopenjpegenc.c.

class_name = "libopenjpeg"

Definition at line 491 of file libopenjpegenc.c.

item_name = av_default_item_name

Definition at line 492 of file libopenjpegenc.c.

option = options

Definition at line 493 of file libopenjpegenc.c.

version = LIBAVUTIL_VERSION_INT

Definition at line 494 of file libopenjpegenc.c.

const { ... }

AVCodec ff_libopenjpeg_encoder

Initial value:

= {
    .name           = "libopenjpeg",
    .type           = AVMEDIA_TYPE_VIDEO,
    .id             = AV_CODEC_ID_JPEG2000,
    .priv_data_size = sizeof(LibOpenJPEGContext),
    .init           = libopenjpeg_encode_init,
    .encode2        = libopenjpeg_encode_frame,
    .close          = libopenjpeg_encode_close,
    .capabilities   = 0,
    .pix_fmts       = (const enum AVPixelFormat[]) {
        AV_PIX_FMT_RGB24, AV_PIX_FMT_RGBA, AV_PIX_FMT_RGB48, AV_PIX_FMT_RGBA64,
        AV_PIX_FMT_GRAY8, AV_PIX_FMT_GRAY8A, AV_PIX_FMT_GRAY16,
        AV_PIX_FMT_YUV420P, AV_PIX_FMT_YUV422P, AV_PIX_FMT_YUVA420P,
        AV_PIX_FMT_YUV440P, AV_PIX_FMT_YUV444P, AV_PIX_FMT_YUVA422P,
        AV_PIX_FMT_YUV411P, AV_PIX_FMT_YUV410P, AV_PIX_FMT_YUVA444P,
        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,
        AV_PIX_FMT_NONE
    },
    .long_name      = NULL_IF_CONFIG_SMALL("OpenJPEG JPEG 2000"),
    .priv_class     = &class,
}

Definition at line 497 of file libopenjpegenc.c.

Data Structures

Macros

Functions

Variables

Detailed Description

Macro Definition Documentation

Function Documentation

Variable Documentation