fitsdec.c File Reference

FITS demuxer. More...

#include "demux.h"
#include "internal.h"
#include "libavutil/opt.h"
#include "libavcodec/fits.h"

Go to the source code of this file.

Data Structures
struct	FITSContext

Macros
#define	FITS_BLOCK_SIZE   2880

Functions
static int	fits_probe (const AVProbeData *p)
static int	fits_read_header (AVFormatContext *s)
static int	is_image (AVFormatContext *s, FITSContext *fits, FITSHeader *header, AVPacket *pkt, 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.
static int	fits_read_packet (AVFormatContext *s, AVPacket *pkt)

Variables
static const AVOption	fits_options []
static const AVClass	fits_demuxer_class
const FFInputFormat	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 32 of file fitsdec.c.

Referenced by is_image().

Function Documentation

fits_probe()

static int fits_probe ( const AVProbeData * p )

static

Definition at line 40 of file fitsdec.c.

fits_read_header()

static int fits_read_header ( AVFormatContext * s )

static

Definition at line 48 of file fitsdec.c.

is_image()

static int is_image ( AVFormatContext * s, FITSContext * fits, FITSHeader * header, AVPacket * pkt, 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
pkt	pointer to AVPacket 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 code otherwise

Definition at line 75 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 140 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 181 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,
    .category   = AV_CLASS_CATEGORY_DEMUXER,
}

Definition at line 186 of file fitsdec.c.

ff_fits_demuxer

const FFInputFormat ff_fits_demuxer

Initial value:

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

Definition at line 194 of file fitsdec.c.