tiff.c File Reference

TIFF image decoder. More...

#include "config.h"
#include "libavutil/attributes.h"
#include "libavutil/avstring.h"
#include "libavutil/intreadwrite.h"
#include "libavutil/imgutils.h"
#include "avcodec.h"
#include "bytestream.h"
#include "faxcompr.h"
#include "internal.h"
#include "lzw.h"
#include "mathops.h"
#include "tiff.h"
#include "tiff_data.h"
#include "thread.h"

Classes
struct	TiffContext

Macros
#define	RET_GEOKEY(TYPE, array, element)
#define	RET_GEOKEY_VAL(TYPE, array)
#define	ADD_METADATA(count, name, sep)

Typedefs
typedef struct TiffContext	TiffContext

Variables
AVCodec	ff_tiff_decoder

Detailed Description

TIFF image decoder.

Author

Konstantin Shishkov

Macro Definition Documentation

ADD_METADATA

#define ADD_METADATA	(		count,
			name,
			sep
	)

Value:

if ((ret = add_metadata(count, type, name, sep, s, frame)) < 0) {\
        av_log(s->avctx, AV_LOG_ERROR, "Error allocating temporary buffer\n");\
        goto end;\
    }

RET_GEOKEY

#define RET_GEOKEY	(		TYPE,
			array,
			element
	)

Value:

if (key >= TIFF_##TYPE##_KEY_ID_OFFSET &&\
        key - TIFF_##TYPE##_KEY_ID_OFFSET < FF_ARRAY_ELEMS(ff_tiff_##array##_name_type_map))\
        return ff_tiff_##array##_name_type_map[key - TIFF_##TYPE##_KEY_ID_OFFSET].element;

RET_GEOKEY_VAL

#define RET_GEOKEY_VAL	(		TYPE,
			array
	)

Value:

if (val >= TIFF_##TYPE##_OFFSET &&\
        val - TIFF_##TYPE##_OFFSET < FF_ARRAY_ELEMS(ff_tiff_##array##_codes))\
        return av_strdup(ff_tiff_##array##_codes[val - TIFF_##TYPE##_OFFSET]);

Variable Documentation

ff_tiff_decoder

AVCodec ff_tiff_decoder

Initial value:

= {
    .name           = "tiff",
    .long_name      = NULL_IF_CONFIG_SMALL("TIFF image"),
    .type           = AVMEDIA_TYPE_VIDEO,
    .id             = AV_CODEC_ID_TIFF,
    .priv_data_size = sizeof(TiffContext),
    .init           = tiff_init,
    .close          = tiff_end,
    .decode         = decode_frame,
    .init_thread_copy = ONLY_IF_THREADS_ENABLED(tiff_init),
    .capabilities   = AV_CODEC_CAP_DR1 | AV_CODEC_CAP_FRAME_THREADS,
}