LibJPEG
int_downsample()
is only used within LibJPEG.
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SourceVu
STM32 Libraries and Samples
LibJPEG
int_downsample()
int_downsample() function
Syntax
Show:
Summary
Declaration
from
jcsample.c:149
METHODDEF
(
void
)
int_downsample
(
j_compress_ptr
cinfo
,
jpeg_component_info
*
compptr
,
JSAMPARRAY
input_data
,
JSAMPARRAY
output_data
)
;
Arguments
Argument
cinfo
compptr
input_data
output_data
Related Functions
Found 124 other functions taking a
jpeg_compress_struct
argument:
Function
Description
arith_encode()
emit_byte()
emit_byte()
emit_2bytes()
emit_marker()
jpeg_set_defaults()
jpeg_set_quality()
jpeg_start_compress()
jpeg_write_scanlines()
jpeg_finish_compress()
jpeg_CreateCompress()
jpeg_destroy_compress()
jpeg_stdio_dest()
jpeg_set_colorspace()
jpeg_add_quant_table()
emit_restart()
emit_sof()
jinit_marker_writer()
null_convert()
emit_dht()
add_huff_table()
jpeg_suppress_tables()
jinit_c_master_control()
jinit_huff_encoder()
jinit_arith_encoder()
rgb_ycc_start()
jpeg_default_colorspace()
jpeg_set_linear_quality()
jpeg_calc_jpeg_dimensions()
jinit_compress_master()
jinit_c_main_controller()
jinit_c_prep_controller()
jinit_c_coef_controller()
jinit_color_converter()
jinit_downsampler()
jinit_forward_dct()
finish_pass()
start_iMCU_row()
compress_data()
forward_DCT()
jpeg_gen_optimal_table()
jpeg_make_c_derived_tbl()
process_data_simple_main()
emit_dqt()
select_scan_parameters()
per_scan_setup()
transencode_master_selection()
start_iMCU_row()
transencode_coef_controller()
jpeg_mem_dest()
jpeg_default_qtables()
jpeg_write_coefficients()
jpeg_copy_critical_parameters()
jpeg_abort_compress()
jpeg_write_raw_data()
jpeg_write_marker()
jpeg_write_m_header()
jpeg_write_m_byte()
jpeg_write_tables()
encode_mcu_DC_first()
encode_mcu_AC_first()
encode_mcu_DC_refine()
encode_mcu_AC_refine()
encode_mcu()
start_pass()
start_pass_coef()
rgb_ycc_convert()
rgb_gray_convert()
Cases other than RGB -> YCbCr *************
cmyk_ycck_convert()
grayscale_convert()
rgb_convert()
null_method()
forward_DCT_float()
start_pass_fdctmgr()
encode_mcu_DC_first()
encode_mcu_AC_first()
htest_one_block()
encode_mcu_gather()
finish_pass_gather()
start_pass_huff()
encode_mcu_DC_refine()
encode_mcu_AC_refine()
encode_mcu_huff()
finish_pass_huff()
start_pass_main()
emit_dac()
emit_dri()
emit_sos()
emit_pseudo_sos()
emit_jfif_app0()
emit_adobe_app14()
write_marker_header()
write_marker_byte()
write_file_header()
write_frame_header()
write_scan_header()
write_file_trailer()
write_tables_only()
jpeg_calc_trans_dimensions()
initial_setup()
prepare_for_pass()
pass_startup()
finish_pass_master()
std_huff_tables()
start_pass_prep()
pre_process_data()
pre_process_context()
create_context_buffer()
fullsize_downsample()
h2v1_downsample()
fullsize_smooth_downsample()
h2v2_downsample()
h2v2_smooth_downsample()
start_pass_downsample()
sep_downsample()
start_pass_coef()
compress_output()
term_destination()
term_mem_destination()
init_destination()
init_mem_destination()
empty_output_buffer()
empty_mem_output_buffer()
jpeg_simple_progression()
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