fitsdec.c File Reference

FITS demuxer. More...

#include "libavutil/intreadwrite.h"
#include "internal.h"
#include "libavutil/opt.h"
#include "libavcodec/fits.h"
#include "libavutil/bprint.h"

Go to the source code of this file.

Data Structures
struct	FITSContext

Macros
#define	FITS_BLOCK_SIZE   2880

Functions
static int	fits_probe (AVProbeData *p)
static int	fits_read_header (AVFormatContext *s)
static int64_t	is_image (AVFormatContext *s, FITSContext *fits, FITSHeader *header, AVBPrint *avbuf, uint64_t *data_size)
	Parses header and checks that the current HDU contains image or not It also stores the header in the avbuf and stores the size of data part in data_size. More...
static int	fits_read_packet (AVFormatContext *s, AVPacket *pkt)

Variables
static const AVOption	fits_options []
static const AVClass	fits_demuxer_class
AVInputFormat	ff_fits_demuxer

Detailed Description

FITS demuxer.

Definition in file fitsdec.c.

Macro Definition Documentation

FITS_BLOCK_SIZE

#define FITS_BLOCK_SIZE   2880

Definition at line 33 of file fitsdec.c.

Referenced by fits_read_packet(), and is_image().

Function Documentation

fits_probe()

static int fits_probe ( AVProbeData *  p )

static

Definition at line 42 of file fitsdec.c.

fits_read_header()

static int fits_read_header ( AVFormatContext *  s )

static

Definition at line 50 of file fitsdec.c.

is_image()

static int64_t is_image ( AVFormatContext *  s, FITSContext *  fits, FITSHeader *  header, AVBPrint *  avbuf, uint64_t *  data_size  )

static

Parses header and checks that the current HDU contains image or not It also stores the header in the avbuf and stores the size of data part in data_size.

Parameters

s	pointer to AVFormat Context
fits	pointer to FITSContext
header	pointer to FITSHeader
avbuf	pointer to AVBPrint to store the header
data_size	to store the size of data part

Returns

1 if image found, 0 if any other extension and AVERROR_INVALIDDATA otherwise

Definition at line 78 of file fitsdec.c.

Referenced by fits_read_packet().

fits_read_packet()

static int fits_read_packet ( AVFormatContext *  s, AVPacket *  pkt  )

static

Definition at line 143 of file fitsdec.c.

Variable Documentation

fits_options

const AVOption fits_options[]

static

Initial value:

= {
    { "framerate", "set the framerate", 0x42, AV_OPT_TYPE_VIDEO_RATE, {.str = "1"}, 0, INT_MAX, AV_OPT_FLAG_DECODING_PARAM},
    { NULL },
}

Definition at line 210 of file fitsdec.c.

fits_demuxer_class

const AVClass fits_demuxer_class

static

Initial value:

= {
    .class_name = "FITS demuxer",
    .item_name  = av_default_item_name,
    .option     = fits_options,
    .version    = LIBAVUTIL_VERSION_INT,
}

Definition at line 215 of file fitsdec.c.

ff_fits_demuxer

AVInputFormat ff_fits_demuxer

Initial value:

= {
    .name           = "fits",
    .long_name      = NULL_IF_CONFIG_SMALL("Flexible Image Transport System"),
    .priv_data_size = sizeof(FITSContext),
    .read_probe     = fits_probe,
    .read_header    = fits_read_header,
    .read_packet    = fits_read_packet,
    .priv_class     = &fits_demuxer_class,
    .raw_codec_id   = AV_CODEC_ID_FITS,
}

Definition at line 222 of file fitsdec.c.