LibJPEG
jpeg_decompress_struct::block_size is only used within LibJPEG.
 
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CodeScopeSTM32 Libraries and SamplesLibJPEGjpeg_decompress_struct::block_size

jpeg_decompress_struct::block_size field

Syntax

int block_size;

References

LocationReferrerText
jpeglib.h:645
int block_size; /* the basic DCT block size: 1..16 */
jdapimin.c:189default_decompress_parms()
cinfo->scale_num = cinfo->block_size; /* 1:1 scaling */
jdapimin.c:190default_decompress_parms()
cinfo->scale_denom = cinfo->block_size;
jdinput.c:245initial_setup()
cinfo->block_size = DCTSIZE;
jdinput.c:251initial_setup()
cinfo->block_size = 1;
jdinput.c:256initial_setup()
cinfo->block_size = 2;
jdinput.c:261initial_setup()
cinfo->block_size = 3;
jdinput.c:266initial_setup()
cinfo->block_size = 4;
jdinput.c:271initial_setup()
cinfo->block_size = 5;
jdinput.c:276initial_setup()
cinfo->block_size = 6;
jdinput.c:281initial_setup()
cinfo->block_size = 7;
jdinput.c:286initial_setup()
cinfo->block_size = 8;
jdinput.c:291initial_setup()
cinfo->block_size = 9;
jdinput.c:296initial_setup()
cinfo->block_size = 10;
jdinput.c:301initial_setup()
cinfo->block_size = 11;
jdinput.c:306initial_setup()
cinfo->block_size = 12;
jdinput.c:311initial_setup()
cinfo->block_size = 13;
jdinput.c:316initial_setup()
cinfo->block_size = 14;
jdinput.c:321initial_setup()
cinfo->block_size = 15;
jdinput.c:326initial_setup()
cinfo->block_size = 16;
jdinput.c:342initial_setup()
cinfo->min_DCT_h_scaled_size = cinfo->block_size;
jdinput.c:343initial_setup()
cinfo->min_DCT_v_scaled_size = cinfo->block_size;
jdinput.c:348initial_setup()
compptr->DCT_h_scaled_size = cinfo->block_size;
jdinput.c:349initial_setup()
compptr->DCT_v_scaled_size = cinfo->block_size;
jdinput.c:353initial_setup()
(long) (cinfo->max_h_samp_factor * cinfo->block_size));
jdinput.c:356initial_setup()
(long) (cinfo->max_v_samp_factor * cinfo->block_size));
jdinput.c:377initial_setup()
(long) (cinfo->max_v_samp_factor * cinfo->block_size));
jdinput.c:431per_scan_setup()
(long) (cinfo->max_h_samp_factor * cinfo->block_size));
jdinput.c:434per_scan_setup()
(long) (cinfo->max_v_samp_factor * cinfo->block_size));

Data Use

Functions writing jpeg_decompress_struct::block_size
Functions reading jpeg_decompress_struct::block_size
all items filtered out
jpeg_decompress_struct::block_size
all items filtered out