FFmpeg
Data Fields
IVIBandDesc Struct Reference

information for Indeo wavelet band More...

#include <ivi_common.h>

Data Fields

int  plane
  plane number this band belongs to
 
int  band_num
  band number
 
int  width
 
int  height
 
int  aheight
  aligned band height
 
const uint8_tdata_ptr
  ptr to the first byte of the band data
 
int  data_size
  size of the band data
 
int16_t *  buf
  pointer to the output buffer for this band
 
int16_t *  ref_buf
  pointer to the reference frame buffer (for motion compensation)
 
int16_t *  bufs [3]
  array of pointers to the band buffers
 
int  pitch
  pitch associated with the buffers above
 
int  is_empty
  = 1 if this band doesn't contain any data
 
int  mb_size
  macroblock size
 
int  blk_size
  block size
 
int  is_halfpel
  precision of the motion compensation: 0 - fullpel, 1 - halfpel
 
int  inherit_mv
  tells if motion vector is inherited from reference macroblock
 
  tells if quantiser delta is inherited from reference macroblock
 
  tells if Qdelta signal is present in the bitstream (Indeo5 only)
 
int  quant_mat
  dequant matrix index
 
int  glob_quant
  quant base for this band
 
const uint8_tscan
  ptr to the scan pattern
 
int  scan_size
  size of the scantable
 
  vlc table for decoding block data
 
int  num_corr
  number of correction entries
 
uint8_t  corr [61 *2]
  rvmap correction pairs
 
int  rvmap_sel
  rvmap table selector
 
  ptr to the RLE table for this band
 
int  num_tiles
  number of tiles in this band
 
  array of tile descriptors
 
 
 
 
int  is_2d_trans
  1 indicates that the two-dimensional inverse transform is used
 
  for debug purposes
 
 
int  bufsize
  band buffer size in bytes
 
const uint16_t *  intra_base
  quantization matrix for intra blocks
 
const uint16_t *  inter_base
  quantization matrix for inter blocks
 
const uint8_tintra_scale
  quantization coefficient for intra blocks
 
const uint8_tinter_scale
  quantization coefficient for inter blocks
 

Detailed Description

information for Indeo wavelet band

Definition at line 130 of file ivi_common.h.

Field Documentation

int IVIBandDesc::plane

plane number this band belongs to

Definition at line 131 of file ivi_common.h.

Referenced by decode_band(), decode_band_hdr(), decode_mb_info(), ff_ivi_init_planes(), and ivi_process_empty_tile().

int IVIBandDesc::band_num

band number

Definition at line 132 of file ivi_common.h.

Referenced by decode_band(), decode_band_hdr(), decode_mb_info(), ff_ivi_init_planes(), and ivi_process_empty_tile().

int IVIBandDesc::width

Definition at line 133 of file ivi_common.h.

Referenced by decode_gop_header(), ff_ivi_init_planes(), ff_ivi_init_tiles(), and ivi_init_tiles().

int IVIBandDesc::height

Definition at line 134 of file ivi_common.h.

Referenced by decode_gop_header(), ff_ivi_init_planes(), ff_ivi_init_tiles(), and ivi_init_tiles().

int IVIBandDesc::aheight

aligned band height

Definition at line 135 of file ivi_common.h.

Referenced by ff_ivi_init_planes(), ivi_dc_transform(), ivi_decode_blocks(), ivi_decode_coded_blocks(), ivi_mc(), and ivi_process_empty_tile().

const uint8_t* IVIBandDesc::data_ptr

ptr to the first byte of the band data

Definition at line 136 of file ivi_common.h.

Referenced by decode_band().

int IVIBandDesc::data_size

size of the band data

Definition at line 137 of file ivi_common.h.

Referenced by decode_band_hdr().

int16_t* IVIBandDesc::buf

pointer to the output buffer for this band

Definition at line 138 of file ivi_common.h.

Referenced by decode_band(), ff_ivi_decode_frame(), ff_ivi_recompose53(), ff_ivi_recompose_haar(), ivi_dc_transform(), ivi_decode_coded_blocks(), ivi_mc(), ivi_output_plane(), and ivi_process_empty_tile().

int16_t* IVIBandDesc::ref_buf

pointer to the reference frame buffer (for motion compensation)

Definition at line 139 of file ivi_common.h.

Referenced by decode_band(), ivi_mc(), and ivi_process_empty_tile().

int16_t* IVIBandDesc::bufs[3]

array of pointers to the band buffers

Definition at line 140 of file ivi_common.h.

Referenced by decode_band(), and ff_ivi_init_planes().

int IVIBandDesc::pitch

pitch associated with the buffers above

Definition at line 141 of file ivi_common.h.

Referenced by decode_mb_info(), ff_ivi_init_planes(), ff_ivi_recompose53(), ff_ivi_recompose_haar(), ivi_dc_transform(), ivi_decode_blocks(), ivi_decode_coded_blocks(), ivi_mc(), ivi_output_plane(), and ivi_process_empty_tile().

int IVIBandDesc::is_empty

= 1 if this band doesn't contain any data

Definition at line 142 of file ivi_common.h.

Referenced by decode_band(), and decode_band_hdr().

int IVIBandDesc::mb_size

macroblock size

Definition at line 143 of file ivi_common.h.

Referenced by decode_band(), decode_band_hdr(), decode_gop_header(), decode_mb_info(), decode_pic_hdr(), ivi_decode_blocks(), ivi_init_tiles(), and ivi_process_empty_tile().

int IVIBandDesc::blk_size

block size

Definition at line 144 of file ivi_common.h.

Referenced by decode_band_hdr(), decode_gop_header(), decode_mb_info(), decode_pic_hdr(), ivi_decode_blocks(), ivi_decode_coded_blocks(), ivi_mc(), and ivi_process_empty_tile().

int IVIBandDesc::is_halfpel

precision of the motion compensation: 0 - fullpel, 1 - halfpel

Definition at line 145 of file ivi_common.h.

Referenced by decode_band_hdr(), decode_gop_header(), decode_mb_info(), ivi_decode_blocks(), and ivi_process_empty_tile().

int IVIBandDesc::inherit_mv

tells if motion vector is inherited from reference macroblock

Definition at line 146 of file ivi_common.h.

Referenced by decode_band_hdr(), decode_mb_info(), and ivi_process_empty_tile().

int IVIBandDesc::inherit_qdelta

tells if quantiser delta is inherited from reference macroblock

Definition at line 147 of file ivi_common.h.

Referenced by decode_band_hdr(), decode_mb_info(), and ivi_process_empty_tile().

int IVIBandDesc::qdelta_present

tells if Qdelta signal is present in the bitstream (Indeo5 only)

Definition at line 148 of file ivi_common.h.

Referenced by decode_band_hdr(), decode_mb_info(), and ivi_process_empty_tile().

int IVIBandDesc::quant_mat

dequant matrix index

Definition at line 149 of file ivi_common.h.

Referenced by decode_band_hdr().

int IVIBandDesc::glob_quant

quant base for this band

Definition at line 150 of file ivi_common.h.

Referenced by decode_band_hdr(), ivi_decode_blocks(), and ivi_process_empty_tile().

const uint8_t* IVIBandDesc::scan

ptr to the scan pattern

Definition at line 151 of file ivi_common.h.

Referenced by decode_band_hdr(), decode_gop_header(), and ivi_decode_coded_blocks().

int IVIBandDesc::scan_size

size of the scantable

Definition at line 152 of file ivi_common.h.

Referenced by decode_band_hdr().

IVIHuffTab IVIBandDesc::blk_vlc

vlc table for decoding block data

Definition at line 154 of file ivi_common.h.

Referenced by decode_band_hdr(), ff_ivi_init_planes(), and ivi_decode_coded_blocks().

int IVIBandDesc::num_corr

number of correction entries

Definition at line 156 of file ivi_common.h.

Referenced by decode_band(), and decode_band_hdr().

uint8_t IVIBandDesc::corr[61 *2]

rvmap correction pairs

Definition at line 157 of file ivi_common.h.

Referenced by decode_band(), and decode_band_hdr().

int IVIBandDesc::rvmap_sel

rvmap table selector

Definition at line 158 of file ivi_common.h.

Referenced by decode_band(), and decode_band_hdr().

RVMapDesc* IVIBandDesc::rv_map

ptr to the RLE table for this band

Definition at line 159 of file ivi_common.h.

Referenced by decode_band(), and ivi_decode_coded_blocks().

int IVIBandDesc::num_tiles

number of tiles in this band

Definition at line 160 of file ivi_common.h.

Referenced by decode_band(), ff_ivi_init_tiles(), and ivi_free_buffers().

IVITile* IVIBandDesc::tiles

array of tile descriptors

Definition at line 161 of file ivi_common.h.

Referenced by decode_band(), ff_ivi_init_tiles(), and ivi_init_tiles().

InvTransformPtr* IVIBandDesc::inv_transform

Definition at line 162 of file ivi_common.h.

Referenced by decode_band_hdr(), decode_gop_header(), and ivi_decode_coded_blocks().

int IVIBandDesc::transform_size

Definition at line 163 of file ivi_common.h.

Referenced by decode_band_hdr(), decode_gop_header(), and ivi_decode_coded_blocks().

DCTransformPtr* IVIBandDesc::dc_transform

Definition at line 164 of file ivi_common.h.

Referenced by decode_band_hdr(), decode_gop_header(), and ivi_dc_transform().

int IVIBandDesc::is_2d_trans

1 indicates that the two-dimensional inverse transform is used

Definition at line 165 of file ivi_common.h.

Referenced by decode_band_hdr(), decode_gop_header(), and ivi_decode_coded_blocks().

int32_t IVIBandDesc::checksum

for debug purposes

Definition at line 166 of file ivi_common.h.

Referenced by decode_band(), and decode_band_hdr().

int IVIBandDesc::checksum_present

Definition at line 167 of file ivi_common.h.

Referenced by decode_band(), and decode_band_hdr().

int IVIBandDesc::bufsize

band buffer size in bytes

Definition at line 168 of file ivi_common.h.

Referenced by decode_mb_info(), and ff_ivi_init_planes().

const uint16_t* IVIBandDesc::intra_base

quantization matrix for intra blocks

Definition at line 169 of file ivi_common.h.

Referenced by decode_band_hdr(), decode_gop_header(), and ivi_decode_coded_blocks().

const uint16_t* IVIBandDesc::inter_base

quantization matrix for inter blocks

Definition at line 170 of file ivi_common.h.

Referenced by decode_band_hdr(), decode_gop_header(), and ivi_decode_coded_blocks().

const uint8_t* IVIBandDesc::intra_scale

quantization coefficient for intra blocks

Definition at line 171 of file ivi_common.h.

Referenced by decode_band_hdr(), decode_gop_header(), and ivi_decode_blocks().

const uint8_t* IVIBandDesc::inter_scale

quantization coefficient for inter blocks

Definition at line 172 of file ivi_common.h.

Referenced by decode_band_hdr(), decode_gop_header(), and ivi_decode_blocks().


The documentation for this struct was generated from the following file:

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