libavformat/gif.c File Reference

#include "avformat.h"
#include "libavcodec/bitstream.h"

Go to the source code of this file.

Data Structures
struct	rgb_triplet
struct	GIFContext
Defines
#define	BITSTREAM_WRITER_LE
#define	GIF_CHUNKS   100
#define	GIF_ADD_APP_HEADER
Functions
static int	gif_image_write_header (ByteIOContext *pb, int width, int height, int loop_count, uint32_t *palette)
static unsigned char	gif_clut_index (uint8_t r, uint8_t g, uint8_t b)
static int	gif_image_write_image (ByteIOContext *pb, int x1, int y1, int width, int height, const uint8_t *buf, int linesize, int pix_fmt)
static int	gif_write_header (AVFormatContext *s)
static int	gif_write_video (AVFormatContext *s, AVCodecContext *enc, const uint8_t *buf, int size)
static int	gif_write_packet (AVFormatContext *s, AVPacket *pkt)
static int	gif_write_trailer (AVFormatContext *s)
Variables
static const rgb_triplet	gif_clut [216]
AVOutputFormat	gif_muxer

---

Define Documentation

#define BITSTREAM_WRITER_LE

Definition at line 46 of file gif.c.

#define GIF_ADD_APP_HEADER

Definition at line 55 of file gif.c.

#define GIF_CHUNKS   100

Definition at line 51 of file gif.c.

---

Function Documentation

static unsigned char gif_clut_index	(	uint8_t	r,
		uint8_t	g,
		uint8_t	b
	)			[inline, static]

Definition at line 176 of file gif.c.

static int gif_image_write_header	(	ByteIOContext *	pb,
		int	width,
		int	height,
		int	loop_count,
		uint32_t *	palette
	)			[static]

Definition at line 110 of file gif.c.

static int gif_image_write_image	(	ByteIOContext *	pb,
		int	x1,
		int	y1,
		int	width,
		int	height,
		const uint8_t *	buf,
		int	linesize,
		int	pix_fmt
	)			[static]

Definition at line 182 of file gif.c.

static int gif_write_header

(

AVFormatContext *

s

)

[static]

Definition at line 252 of file gif.c.

static int gif_write_packet	(	AVFormatContext *	s,
		AVPacket *	pkt
	)			[static]

Definition at line 329 of file gif.c.

static int gif_write_trailer

(

AVFormatContext *

s

)

[static]

Definition at line 338 of file gif.c.

static int gif_write_video	(	AVFormatContext *	s,
		AVCodecContext *	enc,
		const uint8_t *	buf,
		int	size
	)			[static]

Definition at line 294 of file gif.c.

Referenced by gif_write_packet().

---

Variable Documentation

const rgb_triplet gif_clut[216] [static]

Definition at line 70 of file gif.c.

AVOutputFormat gif_muxer

Initial value:

 {
    "gif",
    NULL_IF_CONFIG_SMALL("GIF Animation"),
    "image/gif",
    "gif",
    sizeof(GIFContext),
    CODEC_ID_NONE,
    CODEC_ID_RAWVIDEO,
    gif_write_header,
    gif_write_packet,
    gif_write_trailer,
}

Definition at line 347 of file gif.c.