libavcodec/tiff.c File Reference

TIFF image decoder. More...

#include "avcodec.h"
#include <zlib.h>
#include "lzw.h"
#include "tiff.h"
#include "faxcompr.h"
#include "libavutil/common.h"
#include "libavutil/intreadwrite.h"
#include "libavutil/imgutils.h"

Go to the source code of this file.

Data Structures
struct	TiffContext
Typedefs
typedef struct TiffContext	TiffContext
Functions
static unsigned	tget_short (const uint8_t **p, int le)
static unsigned	tget_long (const uint8_t **p, int le)
static unsigned	tget (const uint8_t **p, int type, int le)
static int	tiff_uncompress (uint8_t *dst, unsigned long *len, const uint8_t *src, int size)
static int	tiff_unpack_strip (TiffContext *s, uint8_t *dst, int stride, const uint8_t *src, int size, int lines)
static int	init_image (TiffContext *s)
static int	tiff_decode_tag (TiffContext *s, const uint8_t *start, const uint8_t *buf, const uint8_t *end_buf)
static int	decode_frame (AVCodecContext *avctx, void *data, int *data_size, AVPacket *avpkt)
static av_cold int	tiff_init (AVCodecContext *avctx)
static av_cold int	tiff_end (AVCodecContext *avctx)
Variables
AVCodec	ff_tiff_decoder

---

Detailed Description

TIFF image decoder.

Author:

Konstantin Shishkov

Definition in file tiff.c.

---

Typedef Documentation

typedef struct TiffContext TiffContext

---

Function Documentation

static int decode_frame	(	AVCodecContext *	avctx,
		void *	data,
		int *	data_size,
		AVPacket *	avpkt
	)			[static]

Definition at line 501 of file tiff.c.

static int init_image

(

TiffContext *

s

)

[static]

Definition at line 224 of file tiff.c.

Referenced by decode_frame().

static unsigned tget	(	const uint8_t **	p,
		int	type,
		int	le
	)			[static]

Definition at line 74 of file tiff.c.

Referenced by decode_frame(), and tiff_decode_tag().

static unsigned tget_long	(	const uint8_t **	p,
		int	le
	)			[static]

Definition at line 68 of file tiff.c.

Referenced by decode_frame(), tget(), and tiff_decode_tag().

static unsigned tget_short	(	const uint8_t **	p,
		int	le
	)			[static]

Definition at line 62 of file tiff.c.

Referenced by decode_frame(), tget(), and tiff_decode_tag().

static int tiff_decode_tag	(	TiffContext *	s,
		const uint8_t *	start,
		const uint8_t *	buf,
		const uint8_t *	end_buf
	)			[static]

Definition at line 278 of file tiff.c.

Referenced by decode_frame().

static av_cold int tiff_end

(

AVCodecContext *

avctx

)

[static]

Definition at line 632 of file tiff.c.

static av_cold int tiff_init

(

AVCodecContext *

avctx

)

[static]

Definition at line 618 of file tiff.c.

static int tiff_uncompress	(	uint8_t *	dst,
		unsigned long *	len,
		const uint8_t *	src,
		int	size
	)			[static]

Definition at line 84 of file tiff.c.

Referenced by tiff_unpack_strip().

static int tiff_unpack_strip	(	TiffContext *	s,
		uint8_t *	dst,
		int	stride,
		const uint8_t *	src,
		int	size,
		int	lines
	)			[static]

Definition at line 106 of file tiff.c.

Referenced by decode_frame().

---

Variable Documentation

AVCodec ff_tiff_decoder

Initial value:

 {
    .name           = "tiff",
    .type           = AVMEDIA_TYPE_VIDEO,
    .id             = CODEC_ID_TIFF,
    .priv_data_size = sizeof(TiffContext),
    .init           = tiff_init,
    .close          = tiff_end,
    .decode         = decode_frame,
    .capabilities   = CODEC_CAP_DR1,
    .long_name = NULL_IF_CONFIG_SMALL("TIFF image"),
}

Definition at line 642 of file tiff.c.