Lines Matching refs:buffer
8 * This file contains the coefficient buffer controller for compression.
10 * The coefficient buffer lies between forward-DCT and entropy encoding steps.
18 /* We use a full-image coefficient buffer when doing Huffman optimization,
32 /* Private buffer controller object */
42 /* For single-pass compression, it's sufficient to buffer just one MCU
47 * when a large coefficient buffer is necessary.)
227 * This amount of data is read from the source buffer, DCT'd and quantized,
253 JBLOCKARRAY buffer;
258 /* Align the virtual buffer for this component. */
259 buffer = (*cinfo->mem->access_virt_barray)
281 thisblockrow = buffer[block_row];
306 thisblockrow = buffer[block_row];
307 lastblockrow = buffer[block_row-1];
347 JBLOCKARRAY buffer[MAX_COMPS_IN_SCAN];
357 buffer[ci] = (*cinfo->mem->access_virt_barray)
374 buffer_ptr = buffer[ci][yindex+yoffset] + start_col;
401 * Initialize coefficient buffer controller.
415 /* Create the coefficient buffer. */
437 /* We only need a single-MCU buffer. */
438 JBLOCKROW buffer;
441 buffer = (JBLOCKROW)
445 coef->MCU_buffer[i] = buffer + i;
