opj_t1 Struct Reference
[T1 - Implementation of the tier-1 coding]

Tier-1 coding (coding of code-block coefficients). More...

#include <t1.h>

Data Fields

opj_mqc_t mqc
 MQC component.
OPJ_INT32data
opj_flag_tflags
 Flags used by decoder and encoder.
OPJ_UINT32 w
OPJ_UINT32 h
OPJ_UINT32 datasize
OPJ_UINT32 flagssize
OPJ_UINT32 data_stride
OPJ_BOOL encoder
OPJ_BOOL mustuse_cblkdatabuffer
OPJ_BYTEcblkdatabuffer
OPJ_UINT32 cblkdatabuffersize

Detailed Description

Tier-1 coding (coding of code-block coefficients).


Field Documentation

Referenced by opj_t1_decode_cblk().

Referenced by opj_t1_allocate_buffers().

Flags used by decoder and encoder.

Such that flags[1+0] is for state of col=0,row=0..3, flags[1+1] for col=1, row=0..3, flags[1+flags_stride] for col=0,row=4..7, ... This array avoids too much cache trashing when processing by 4 vertical samples as done in the various decoding steps.

Referenced by opj_t1_allocate_buffers(), and opj_t1_destroy().

Referenced by opj_t1_allocate_buffers().


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

Generated on 20 Feb 2018 for OpenJPEG by  doxygen 1.6.1