FFmpeg
4.0
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TIFF image encoder. More...
#include "config.h"
#include "libavutil/imgutils.h"
#include "libavutil/log.h"
#include "libavutil/opt.h"
#include "libavutil/pixdesc.h"
#include "avcodec.h"
#include "bytestream.h"
#include "internal.h"
#include "lzw.h"
#include "put_bits.h"
#include "rle.h"
#include "tiff.h"
Go to the source code of this file.
Data Structures | |
struct | TiffEncoderContext |
Macros | |
#define | TIFF_MAX_ENTRY 32 |
#define | ADD_ENTRY(s, tag, type, count, ptr_val) |
#define | ADD_ENTRY1(s, tag, type, val) |
#define | OFFSET(x) offsetof(TiffEncoderContext, x) |
#define | VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM |
Functions | |
static int | check_size (TiffEncoderContext *s, uint64_t need) |
Check free space in buffer. More... | |
static void | tnput (uint8_t **p, int n, const uint8_t *val, enum TiffTypes type, int flip) |
Put n values to buffer. More... | |
static int | add_entry (TiffEncoderContext *s, enum TiffTags tag, enum TiffTypes type, int count, const void *ptr_val) |
Add entry to directory in tiff header. More... | |
static int | add_entry1 (TiffEncoderContext *s, enum TiffTags tag, enum TiffTypes type, int val) |
static int | encode_strip (TiffEncoderContext *s, const int8_t *src, uint8_t *dst, int n, int compr) |
Encode one strip in tiff file. More... | |
static void | pack_yuv (TiffEncoderContext *s, const AVFrame *p, uint8_t *dst, int lnum) |
static int | encode_frame (AVCodecContext *avctx, AVPacket *pkt, const AVFrame *pict, int *got_packet) |
static av_cold int | encode_init (AVCodecContext *avctx) |
static av_cold int | encode_close (AVCodecContext *avctx) |
Variables | |
static const uint8_t | type_sizes2 [14] |
sizes of various TIFF field types (string size = 1) More... | |
static const AVOption | options [] |
static const AVClass | tiffenc_class |
AVCodec | ff_tiff_encoder |
TIFF image encoder.
Definition in file tiffenc.c.
#define TIFF_MAX_ENTRY 32 |
Definition at line 45 of file tiffenc.c.
Referenced by add_entry().
Definition at line 231 of file tiffenc.c.
Referenced by encode_frame().
Definition at line 238 of file tiffenc.c.
Referenced by encode_frame().
#define OFFSET | ( | x | ) | offsetof(TiffEncoderContext, x) |
#define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM |
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inlinestatic |
Check free space in buffer.
s | Tiff context |
need | Needed bytes |
Definition at line 87 of file tiffenc.c.
Referenced by add_entry(), encode_frame(), and encode_strip().
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Put n values to buffer.
p | pointer to pointer to output buffer |
n | number of values |
val | pointer to values |
type | type of values |
flip | = 0 - normal copy, >0 - flip |
Definition at line 106 of file tiffenc.c.
Referenced by add_entry().
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Add entry to directory in tiff header.
s | Tiff context |
tag | tag that identifies the entry |
type | entry type |
count | the number of values |
ptr_val | pointer to values |
Definition at line 126 of file tiffenc.c.
Referenced by add_entry1().
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Encode one strip in tiff file.
s | Tiff context |
src | input buffer |
dst | output buffer |
n | size of input buffer |
compr | compression method |
Definition at line 170 of file tiffenc.c.
Referenced by encode_frame().
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Definition at line 203 of file tiffenc.c.
Referenced by encode_frame().
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sizes of various TIFF field types (string size = 1)
Definition at line 48 of file tiffenc.c.
Referenced by add_entry(), and tnput().
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AVCodec ff_tiff_encoder |