libavcodec/libopenjpegenc.c File Reference

JPEG 2000 encoder using libopenjpeg. More...

#include <openjpeg.h>
#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"

Go to the source code of this file.

Data Structures
struct	LibOpenJPEGContext
Defines
#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.

---

Define Documentation

#define OFFSET

(

x

)

offsetof(LibOpenJPEGContext, x)

Definition at line 437 of file libopenjpegenc.c.

#define OPJ_STATIC

Definition at line 27 of file libopenjpegenc.c.

#define VE   AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM

Definition at line 438 of file libopenjpegenc.c.

---

Function Documentation

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

Definition at line 55 of file libopenjpegenc.c.

Referenced by libopenjpeg_encode_init().

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

Definition at line 65 of file libopenjpegenc.c.

Referenced by libopenjpeg_encode_init().

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

Definition at line 233 of file libopenjpegenc.c.

Referenced by libopenjpeg_encode_frame().

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

Definition at line 203 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 296 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 264 of file libopenjpegenc.c.

Referenced by libopenjpeg_encode_frame().

static av_cold int libopenjpeg_encode_close

(

AVCodecContext *

avctx

)

[static]

Definition at line 427 of file libopenjpegenc.c.

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

Definition at line 330 of file libopenjpegenc.c.

static av_cold int libopenjpeg_encode_init

(

AVCodecContext *

avctx

)

[static]

Definition at line 152 of file libopenjpegenc.c.

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

Definition at line 70 of file libopenjpegenc.c.

Referenced by libopenjpeg_encode_init().

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

Definition at line 60 of file libopenjpegenc.c.

Referenced by libopenjpeg_encode_init().

---

Variable Documentation

const { ... } [static]

class_name = "libopenjpeg"

Definition at line 467 of file libopenjpegenc.c.

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 PixelFormat[]) {
        PIX_FMT_RGB24, PIX_FMT_RGBA, PIX_FMT_RGB48, PIX_FMT_RGBA64,
        PIX_FMT_GRAY8, PIX_FMT_GRAY8A, PIX_FMT_GRAY16,
        PIX_FMT_YUV420P, PIX_FMT_YUV422P, PIX_FMT_YUVA420P,
        PIX_FMT_YUV440P, PIX_FMT_YUV444P, PIX_FMT_YUVA422P,
        PIX_FMT_YUV411P, PIX_FMT_YUV410P, PIX_FMT_YUVA444P,
        PIX_FMT_YUV420P9, PIX_FMT_YUV422P9, PIX_FMT_YUV444P9,
        PIX_FMT_YUV420P10, PIX_FMT_YUV422P10, PIX_FMT_YUV444P10,
        PIX_FMT_YUV420P12, PIX_FMT_YUV422P12, PIX_FMT_YUV444P12,
        PIX_FMT_YUV420P14, PIX_FMT_YUV422P14, PIX_FMT_YUV444P14,
        PIX_FMT_YUV420P16, PIX_FMT_YUV422P16, PIX_FMT_YUV444P16,
        PIX_FMT_NONE
    },
    .long_name      = NULL_IF_CONFIG_SMALL("OpenJPEG JPEG 2000"),
    .priv_class     = &class,
}

Definition at line 473 of file libopenjpegenc.c.

item_name = av_default_item_name

Definition at line 468 of file libopenjpegenc.c.

option = options

Definition at line 469 of file libopenjpegenc.c.

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 439 of file libopenjpegenc.c.

version = LIBAVUTIL_VERSION_INT

Definition at line 470 of file libopenjpegenc.c.