FFmpeg: libavcodec/mjpeg.h File Reference

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Macros | Enumerations | Functions | Variables

mjpeg.h File Reference

MJPEG encoder and decoder. More...

#include "avcodec.h"
#include "put_bits.h"

Go to the source code of this file.

Macros

#define PREDICT(ret, topleft, top, left, predictor)

Enumerations

enum JPEG_MARKER {
  SOF0 = 0xc0, SOF1 = 0xc1, SOF2 = 0xc2, SOF3 = 0xc3,
  SOF5 = 0xc5, SOF6 = 0xc6, SOF7 = 0xc7, JPG = 0xc8,
  SOF9 = 0xc9, SOF10 = 0xca, SOF11 = 0xcb, SOF13 = 0xcd,
  SOF14 = 0xce, SOF15 = 0xcf, DHT = 0xc4, DAC = 0xcc,
  RST0 = 0xd0, RST1 = 0xd1, RST2 = 0xd2, RST3 = 0xd3,
  RST4 = 0xd4, RST5 = 0xd5, RST6 = 0xd6, RST7 = 0xd7,
  SOI = 0xd8, EOI = 0xd9, SOS = 0xda, DQT = 0xdb,
  DNL = 0xdc, DRI = 0xdd, DHP = 0xde, EXP = 0xdf,
  APP0 = 0xe0, APP1 = 0xe1, APP2 = 0xe2, APP3 = 0xe3,
  APP4 = 0xe4, APP5 = 0xe5, APP6 = 0xe6, APP7 = 0xe7,
  APP8 = 0xe8, APP9 = 0xe9, APP10 = 0xea, APP11 = 0xeb,
  APP12 = 0xec, APP13 = 0xed, APP14 = 0xee, APP15 = 0xef,
  JPG0 = 0xf0, JPG1 = 0xf1, JPG2 = 0xf2, JPG3 = 0xf3,
  JPG4 = 0xf4, JPG5 = 0xf5, JPG6 = 0xf6, SOF48 = 0xf7,
  LSE = 0xf8, JPG9 = 0xf9, JPG10 = 0xfa, JPG11 = 0xfb,
  JPG12 = 0xfc, JPG13 = 0xfd, COM = 0xfe, TEM = 0x01
}

Functions

static void put_marker (PutBitContext *p, int code)

void ff_mjpeg_build_huffman_codes (uint8_t *huff_size, uint16_t *huff_code, const uint8_t *bits_table, const uint8_t *val_table)

Variables

av_export const uint8_t avpriv_mjpeg_bits_dc_luminance []

av_export const uint8_t avpriv_mjpeg_val_dc []

av_export const uint8_t avpriv_mjpeg_bits_dc_chrominance []

av_export const uint8_t avpriv_mjpeg_bits_ac_luminance []

av_export const uint8_t avpriv_mjpeg_val_ac_luminance []

av_export const uint8_t avpriv_mjpeg_bits_ac_chrominance []

av_export const uint8_t avpriv_mjpeg_val_ac_chrominance []

Detailed Description

MJPEG encoder and decoder.

Definition in file mjpeg.h.

Macro Definition Documentation

#define PREDICT ( ret,

topleft,

top,

left,

predictor

)

Value:

switch(predictor){\

case 0: ret= 0; break;\

case 1: ret= left; break;\

case 2: ret= top; break;\

case 3: ret= topleft; break;\

case 4: ret= left + top - topleft; break;\

case 5: ret= left + ((top - topleft)>>1); break;\

case 6: ret= top + ((left - topleft)>>1); break;\

default:\

case 7: ret= (left + top)>>1; break;\

}

Definition at line 128 of file mjpeg.h.

Referenced by encode_picture_lossless(), ljpeg_decode_rgb_scan(), and ljpeg_decode_yuv_scan().

Enumeration Type Documentation

enum JPEG_MARKER

Enumerator:: SOF0

SOF1

SOF2

SOF3

SOF5

SOF6

SOF7

JPG

SOF9

SOF10

SOF11

SOF13

SOF14

SOF15

DHT

DAC

RST0

RST1

RST2

RST3

RST4

RST5

RST6

RST7

SOI

EOI

SOS

DQT

DNL

DRI

DHP

EXP

APP0

APP1

APP2

APP3

APP4

APP5

APP6

APP7

APP8

APP9

APP10

APP11

APP12

APP13

APP14

APP15

JPG0

JPG1

JPG2

JPG3

JPG4

JPG5

JPG6

SOF48
JPEG-LS.

LSE
JPEG-LS extension parameters.

JPG9

JPG10

JPG11

JPG12

JPG13

COM

TEM