FFmpeg
Data Fields
MJpegDecodeContext Struct Reference

#include <mjpegdec.h>

Data Fields

AVClass *  class
 
AVCodecContext *  avctx
 
GetBitContext  gb
 
int  buf_size
 
int  start_code
 
int  buffer_size
 
uint8_t *  buffer
 
uint16_t  quant_matrixes [4][64]
 
VLC  vlcs [3][4]
 
int  qscale [4]
  quantizer scale calculated from quant_matrixes More...
 
int  orig_height
 
int  first_picture
 
int  interlaced
 
int  bottom_field
 
int  lossless
 
int  ls
 
int  progressive
 
int  bayer
 
int  rgb
 
uint8_t  upscale_h [4]
 
uint8_t  upscale_v [4]
 
int  rct
 
int  pegasus_rct
 
int  bits
 
int  colr
 
int  xfrm
 
int  adobe_transform
 
int  maxval
 
int  near
  near lossless bound (si 0 for lossless) More...
 
int  t1
 
int  t2
 
int  t3
 
int  reset
  context halfing interval ?rename More...
 
int  width
 
int  height
 
int  mb_width
 
int  mb_height
 
int  nb_components
 
int  block_stride [MAX_COMPONENTS]
 
int  component_id [MAX_COMPONENTS]
 
int  h_count [MAX_COMPONENTS]
 
int  v_count [MAX_COMPONENTS]
 
int  comp_index [MAX_COMPONENTS]
 
int  dc_index [MAX_COMPONENTS]
 
int  ac_index [MAX_COMPONENTS]
 
int  nb_blocks [MAX_COMPONENTS]
 
int  h_scount [MAX_COMPONENTS]
 
int  v_scount [MAX_COMPONENTS]
 
int  quant_sindex [MAX_COMPONENTS]
 
int  h_max
 
int  v_max
 
int  quant_index [4]
 
int  last_dc [MAX_COMPONENTS]
 
AVFrame *  picture
 
AVFrame *  picture_ptr
 
int  got_picture
  we found a SOF and picture is valid, too. More...
 
int  linesize [MAX_COMPONENTS]
  linesize << interlaced More...
 
int8_t *  qscale_table
 
int16_t  block [64]
 
int16_t(*[MAX_COMPONENTS]  blocks )[64]
  intermediate sums (progressive mode) More...
 
uint8_t *  last_nnz [MAX_COMPONENTS]
 
uint64_t  coefs_finished [MAX_COMPONENTS]
  bitmask of which coefs have been completely decoded (progressive mode) More...
 
int  palette_index
 
int  force_pal8
 
uint8_t  permutated_scantable [64]
 
BlockDSPContext  bdsp
 
HpelDSPContext  hdsp
 
IDCTDSPContext  idsp
 
int  restart_interval
 
int  restart_count
 
int  buggy_avid
 
int  cs_itu601
 
int  interlace_polarity
 
int  multiscope
 
int  mjpb_skiptosod
 
int  cur_scan
 
int  flipped
 
uint16_t(*  ljpeg_buffer )[4]
 
unsigned int  ljpeg_buffer_size
 
int  extern_huff
 
AVDictionary *  exif_metadata
 
AVStereo3D *  stereo3d
 
const AVPixFmtDescriptor *  pix_desc
  !< stereoscopic information (cached, since it is read before frame allocation) More...
 
ICCEntry *  iccentries
 
int  iccnum
 
int  iccread
 
AVFrame *  smv_frame
 
int  smv_frames_per_jpeg
 
int  smv_next_frame
 
const uint8_t *  raw_image_buffer
 
size_t  raw_image_buffer_size
 
const uint8_t *  raw_scan_buffer
 
size_t  raw_scan_buffer_size
 
uint8_t  raw_huffman_lengths [2][4][16]
 
uint8_t  raw_huffman_values [2][4][256]
 
enum AVPixelFormat  hwaccel_sw_pix_fmt
 
enum AVPixelFormat  hwaccel_pix_fmt
 
void *  hwaccel_picture_private
 
struct JLSState *  jls_state
 

Detailed Description

Definition at line 54 of file mjpegdec.h.

Field Documentation

◆ class

AVClass* MJpegDecodeContext::class

Definition at line 55 of file mjpegdec.h.

◆ avctx

AVCodecContext* MJpegDecodeContext::avctx

Definition at line 56 of file mjpegdec.h.

Referenced by mxpeg_check_dimensions().

◆ gb

GetBitContext MJpegDecodeContext::gb

Definition at line 57 of file mjpegdec.h.

Referenced by mxpeg_decode_frame().

◆ buf_size

int MJpegDecodeContext::buf_size

Definition at line 58 of file mjpegdec.h.

◆ start_code

int MJpegDecodeContext::start_code

Definition at line 60 of file mjpegdec.h.

◆ buffer_size

int MJpegDecodeContext::buffer_size

Definition at line 61 of file mjpegdec.h.

◆ buffer

uint8_t* MJpegDecodeContext::buffer

Definition at line 62 of file mjpegdec.h.

◆ quant_matrixes

uint16_t MJpegDecodeContext::quant_matrixes[4][64]

Definition at line 64 of file mjpegdec.h.

◆ vlcs

VLC MJpegDecodeContext::vlcs[3][4]

Definition at line 65 of file mjpegdec.h.

◆ qscale

int MJpegDecodeContext::qscale[4]

quantizer scale calculated from quant_matrixes

Definition at line 66 of file mjpegdec.h.

◆ orig_height

int MJpegDecodeContext::orig_height

Definition at line 68 of file mjpegdec.h.

◆ first_picture

int MJpegDecodeContext::first_picture

Definition at line 69 of file mjpegdec.h.

Referenced by mxpeg_decode_frame().

◆ interlaced

int MJpegDecodeContext::interlaced

Definition at line 70 of file mjpegdec.h.

Referenced by mxpeg_decode_frame().

◆ bottom_field

int MJpegDecodeContext::bottom_field

Definition at line 71 of file mjpegdec.h.

◆ lossless

int MJpegDecodeContext::lossless

Definition at line 72 of file mjpegdec.h.

◆ ls

int MJpegDecodeContext::ls

Definition at line 73 of file mjpegdec.h.

◆ progressive

int MJpegDecodeContext::progressive

Definition at line 74 of file mjpegdec.h.

◆ bayer

int MJpegDecodeContext::bayer

Definition at line 75 of file mjpegdec.h.

Referenced by dng_decode_jpeg().

◆ rgb

int MJpegDecodeContext::rgb

Definition at line 76 of file mjpegdec.h.

◆ upscale_h

uint8_t MJpegDecodeContext::upscale_h[4]

Definition at line 77 of file mjpegdec.h.

◆ upscale_v

uint8_t MJpegDecodeContext::upscale_v[4]

Definition at line 78 of file mjpegdec.h.

◆ rct

int MJpegDecodeContext::rct

Definition at line 79 of file mjpegdec.h.

◆ pegasus_rct

int MJpegDecodeContext::pegasus_rct

Definition at line 80 of file mjpegdec.h.

◆ bits

int MJpegDecodeContext::bits

Definition at line 81 of file mjpegdec.h.

◆ colr

int MJpegDecodeContext::colr

Definition at line 82 of file mjpegdec.h.

◆ xfrm

int MJpegDecodeContext::xfrm

Definition at line 83 of file mjpegdec.h.

◆ adobe_transform

int MJpegDecodeContext::adobe_transform

Definition at line 84 of file mjpegdec.h.

◆ maxval

int MJpegDecodeContext::maxval

Definition at line 86 of file mjpegdec.h.

◆ near

int MJpegDecodeContext::near

near lossless bound (si 0 for lossless)

Definition at line 87 of file mjpegdec.h.

◆ t1

int MJpegDecodeContext::t1

Definition at line 88 of file mjpegdec.h.

◆ t2

int MJpegDecodeContext::t2

Definition at line 88 of file mjpegdec.h.

◆ t3

int MJpegDecodeContext::t3

Definition at line 88 of file mjpegdec.h.

◆ reset

int MJpegDecodeContext::reset

context halfing interval ?rename

Definition at line 89 of file mjpegdec.h.

◆ width

int MJpegDecodeContext::width

Definition at line 91 of file mjpegdec.h.

Referenced by mxpeg_check_dimensions().

◆ height

int MJpegDecodeContext::height

Definition at line 91 of file mjpegdec.h.

Referenced by mxpeg_check_dimensions().

◆ mb_width

int MJpegDecodeContext::mb_width

Definition at line 92 of file mjpegdec.h.

◆ mb_height

int MJpegDecodeContext::mb_height

Definition at line 92 of file mjpegdec.h.

◆ nb_components

int MJpegDecodeContext::nb_components

Definition at line 93 of file mjpegdec.h.

◆ block_stride

int MJpegDecodeContext::block_stride[MAX_COMPONENTS]

Definition at line 94 of file mjpegdec.h.

◆ component_id

int MJpegDecodeContext::component_id[MAX_COMPONENTS]

Definition at line 95 of file mjpegdec.h.

◆ h_count

int MJpegDecodeContext::h_count[MAX_COMPONENTS]

Definition at line 96 of file mjpegdec.h.

◆ v_count

int MJpegDecodeContext::v_count[MAX_COMPONENTS]

Definition at line 97 of file mjpegdec.h.

◆ comp_index

int MJpegDecodeContext::comp_index[MAX_COMPONENTS]

Definition at line 98 of file mjpegdec.h.

◆ dc_index

int MJpegDecodeContext::dc_index[MAX_COMPONENTS]

Definition at line 99 of file mjpegdec.h.

◆ ac_index

int MJpegDecodeContext::ac_index[MAX_COMPONENTS]

Definition at line 100 of file mjpegdec.h.

◆ nb_blocks

int MJpegDecodeContext::nb_blocks[MAX_COMPONENTS]

Definition at line 101 of file mjpegdec.h.

◆ h_scount

int MJpegDecodeContext::h_scount[MAX_COMPONENTS]

Definition at line 102 of file mjpegdec.h.

◆ v_scount

int MJpegDecodeContext::v_scount[MAX_COMPONENTS]

Definition at line 103 of file mjpegdec.h.

◆ quant_sindex

int MJpegDecodeContext::quant_sindex[MAX_COMPONENTS]

Definition at line 104 of file mjpegdec.h.

◆ h_max

int MJpegDecodeContext::h_max

Definition at line 105 of file mjpegdec.h.

◆ v_max

int MJpegDecodeContext::v_max

Definition at line 105 of file mjpegdec.h.

◆ quant_index

int MJpegDecodeContext::quant_index[4]

Definition at line 106 of file mjpegdec.h.

◆ last_dc

int MJpegDecodeContext::last_dc[MAX_COMPONENTS]

Definition at line 107 of file mjpegdec.h.

◆ picture

AVFrame* MJpegDecodeContext::picture

Definition at line 108 of file mjpegdec.h.

◆ picture_ptr

AVFrame* MJpegDecodeContext::picture_ptr

Definition at line 109 of file mjpegdec.h.

Referenced by mxpeg_check_dimensions(), mxpeg_decode_end(), and mxpeg_decode_frame().

◆ got_picture

int MJpegDecodeContext::got_picture

we found a SOF and picture is valid, too.

Definition at line 110 of file mjpegdec.h.

Referenced by mxpeg_decode_frame().

◆ linesize

int MJpegDecodeContext::linesize[MAX_COMPONENTS]

linesize << interlaced

Definition at line 111 of file mjpegdec.h.

◆ qscale_table

int8_t* MJpegDecodeContext::qscale_table

Definition at line 112 of file mjpegdec.h.

◆ block

int16_t MJpegDecodeContext::block[64]

Definition at line 113 of file mjpegdec.h.

◆ blocks

int16_t(*[MAX_COMPONENTS] MJpegDecodeContext::blocks)[64]

intermediate sums (progressive mode)

Definition at line 114 of file mjpegdec.h.

◆ last_nnz

uint8_t* MJpegDecodeContext::last_nnz[MAX_COMPONENTS]

Definition at line 115 of file mjpegdec.h.

◆ coefs_finished

uint64_t MJpegDecodeContext::coefs_finished[MAX_COMPONENTS]

bitmask of which coefs have been completely decoded (progressive mode)

Definition at line 116 of file mjpegdec.h.

◆ palette_index

int MJpegDecodeContext::palette_index

Definition at line 117 of file mjpegdec.h.

◆ force_pal8

int MJpegDecodeContext::force_pal8

Definition at line 118 of file mjpegdec.h.

◆ permutated_scantable

uint8_t MJpegDecodeContext::permutated_scantable[64]

Definition at line 119 of file mjpegdec.h.

◆ bdsp

BlockDSPContext MJpegDecodeContext::bdsp

Definition at line 120 of file mjpegdec.h.

◆ hdsp

HpelDSPContext MJpegDecodeContext::hdsp

Definition at line 121 of file mjpegdec.h.

◆ idsp

IDCTDSPContext MJpegDecodeContext::idsp

Definition at line 122 of file mjpegdec.h.

◆ restart_interval

int MJpegDecodeContext::restart_interval

Definition at line 124 of file mjpegdec.h.

◆ restart_count

int MJpegDecodeContext::restart_count

Definition at line 125 of file mjpegdec.h.

◆ buggy_avid

int MJpegDecodeContext::buggy_avid

Definition at line 127 of file mjpegdec.h.

◆ cs_itu601

int MJpegDecodeContext::cs_itu601

Definition at line 128 of file mjpegdec.h.

◆ interlace_polarity

int MJpegDecodeContext::interlace_polarity

Definition at line 129 of file mjpegdec.h.

◆ multiscope

int MJpegDecodeContext::multiscope

Definition at line 130 of file mjpegdec.h.

◆ mjpb_skiptosod

int MJpegDecodeContext::mjpb_skiptosod

Definition at line 132 of file mjpegdec.h.

◆ cur_scan

int MJpegDecodeContext::cur_scan

Definition at line 134 of file mjpegdec.h.

◆ flipped

int MJpegDecodeContext::flipped

Definition at line 135 of file mjpegdec.h.

◆ ljpeg_buffer

uint16_t(* MJpegDecodeContext::ljpeg_buffer)[4]

Definition at line 137 of file mjpegdec.h.

◆ ljpeg_buffer_size

unsigned int MJpegDecodeContext::ljpeg_buffer_size

Definition at line 138 of file mjpegdec.h.

◆ extern_huff

int MJpegDecodeContext::extern_huff

Definition at line 140 of file mjpegdec.h.

◆ exif_metadata

AVDictionary* MJpegDecodeContext::exif_metadata

Definition at line 141 of file mjpegdec.h.

◆ stereo3d

AVStereo3D* MJpegDecodeContext::stereo3d

Definition at line 143 of file mjpegdec.h.

◆ pix_desc

const AVPixFmtDescriptor* MJpegDecodeContext::pix_desc

!< stereoscopic information (cached, since it is read before frame allocation)

Definition at line 145 of file mjpegdec.h.

◆ iccentries

ICCEntry* MJpegDecodeContext::iccentries

Definition at line 147 of file mjpegdec.h.

◆ iccnum

int MJpegDecodeContext::iccnum

Definition at line 148 of file mjpegdec.h.

◆ iccread

int MJpegDecodeContext::iccread

Definition at line 149 of file mjpegdec.h.

◆ smv_frame

AVFrame* MJpegDecodeContext::smv_frame

Definition at line 151 of file mjpegdec.h.

◆ smv_frames_per_jpeg

int MJpegDecodeContext::smv_frames_per_jpeg

Definition at line 152 of file mjpegdec.h.

◆ smv_next_frame

int MJpegDecodeContext::smv_next_frame

Definition at line 153 of file mjpegdec.h.

◆ raw_image_buffer

const uint8_t* MJpegDecodeContext::raw_image_buffer

Definition at line 156 of file mjpegdec.h.

◆ raw_image_buffer_size

size_t MJpegDecodeContext::raw_image_buffer_size

Definition at line 157 of file mjpegdec.h.

◆ raw_scan_buffer

const uint8_t* MJpegDecodeContext::raw_scan_buffer

Definition at line 158 of file mjpegdec.h.

◆ raw_scan_buffer_size

size_t MJpegDecodeContext::raw_scan_buffer_size

Definition at line 159 of file mjpegdec.h.

◆ raw_huffman_lengths

uint8_t MJpegDecodeContext::raw_huffman_lengths[2][4][16]

Definition at line 161 of file mjpegdec.h.

◆ raw_huffman_values

uint8_t MJpegDecodeContext::raw_huffman_values[2][4][256]

Definition at line 162 of file mjpegdec.h.

◆ hwaccel_sw_pix_fmt

enum AVPixelFormat MJpegDecodeContext::hwaccel_sw_pix_fmt

Definition at line 164 of file mjpegdec.h.

◆ hwaccel_pix_fmt

enum AVPixelFormat MJpegDecodeContext::hwaccel_pix_fmt

Definition at line 165 of file mjpegdec.h.

◆ hwaccel_picture_private

void* MJpegDecodeContext::hwaccel_picture_private

Definition at line 166 of file mjpegdec.h.

◆ jls_state

struct JLSState* MJpegDecodeContext::jls_state

Definition at line 167 of file mjpegdec.h.

The documentation for this struct was generated from the following file:
Generated on Fri Aug 22 2025 14:00:24 for FFmpeg by   doxygen 1.8.17

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