gifdec.c File Reference

GIF demuxer. More...

#include "avformat.h"
#include "libavutil/intreadwrite.h"
#include "libavutil/opt.h"
#include "internal.h"
#include "libavcodec/gif.h"

Classes
struct	GIFDemuxContext

Macros
#define	GIF_DEFAULT_DELAY   10
	Major web browsers display gifs at ~10-15fps when rate is not explicitly set or have too low values. More...
#define	GIF_MIN_DELAY   2
	By default delay values less than this threshold considered to be invalid.

Typedefs
typedef struct GIFDemuxContext	GIFDemuxContext

Variables
AVInputFormat	ff_gif_demuxer

Detailed Description

GIF demuxer.

Macro Definition Documentation

GIF_DEFAULT_DELAY

#define GIF_DEFAULT_DELAY   10

Major web browsers display gifs at ~10-15fps when rate is not explicitly set or have too low values.

We assume default rate to be 10. Default delay = 100hundredths of second / 10fps = 10hos per frame.

Variable Documentation

ff_gif_demuxer

AVInputFormat ff_gif_demuxer

Initial value:

= {
    .name           = "gif",
    .long_name      = NULL_IF_CONFIG_SMALL("CompuServe Graphics Interchange Format (GIF)"),
    .priv_data_size = sizeof(GIFDemuxContext),
    .read_probe     = gif_probe,
    .read_header    = gif_read_header,
    .read_packet    = gif_read_packet,
    .flags          = AVFMT_GENERIC_INDEX,
    .priv_class     = &demuxer_class,
}