Unit JIDctRed

Classes

Functions

jpeg_idct_1x1 - Private declarations for DCT subsystem } { Perform dequantization and inverse DCT on one block of coefficients, producing a reduced-size 1x1 output block.
jpeg_idct_2x2 - Perform dequantization and inverse DCT on one block of coefficients, producing a reduced-size 2x2 output block.
jpeg_idct_4x4 - Perform dequantization and inverse DCT on one block of coefficients, producing a reduced-size 4x4 output block.

Types

Constants

Variables


Functions


procedure jpeg_idct_1x1 (cinfo : j_decompress_ptr; compptr : jpeg_component_info_ptr; coef_block : JCOEFPTR; output_buf : JSAMPARRAY; output_col : JDIMENSION);

Private declarations for DCT subsystem } { Perform dequantization and inverse DCT on one block of coefficients, producing a reduced-size 1x1 output block. } {GLOBAL

Perform dequantization and inverse DCT on one block of coefficients, producing a reduced-size 1x1 output block. } {GLOBAL


procedure jpeg_idct_2x2 (cinfo : j_decompress_ptr; compptr : jpeg_component_info_ptr; coef_block : JCOEFPTR; output_buf : JSAMPARRAY; output_col : JDIMENSION);

Perform dequantization and inverse DCT on one block of coefficients, producing a reduced-size 2x2 output block. } {GLOBAL

Perform dequantization and inverse DCT on one block of coefficients, producing a reduced-size 2x2 output block. } {GLOBAL


procedure jpeg_idct_4x4 (cinfo : j_decompress_ptr; compptr : jpeg_component_info_ptr; coef_block : JCOEFPTR; output_buf : JSAMPARRAY; output_col : JDIMENSION);

Perform dequantization and inverse DCT on one block of coefficients, producing a reduced-size 4x4 output block. } {GLOBAL

Perform dequantization and inverse DCT on one block of coefficients, producing a reduced-size 4x4 output block. } {GLOBAL


Types


Constants


Variables