Lines Matching refs:mcu
34 int MCU_vert_offset; /* counts MCU rows within iMCU row */
39 /* In single-pass modes, it's sufficient to buffer just one MCU.
45 * In multi-pass modes, this array points to the current MCU's blocks
84 /* In an interleaved scan, an MCU row is the same as an iMCU row.
85 * In a noninterleaved scan, an iMCU row has v_samp_factor MCU rows.
138 * Always attempts to emit one fully interleaved MCU row ("iMCU" row).
139 * Input and output must run in lockstep since we have only a one-MCU buffer.
150 JDIMENSION MCU_col_num; /* index of current MCU within row */
172 /* Try to fetch an MCU. Entropy decoder expects buffer to be zeroed. */
191 blkn = 0; /* index of current DCT block within MCU */
221 /* Completed an MCU row, but perhaps not an iMCU row */
249 * We read as much as one fully interleaved MCU row ("iMCU" row) per call,
258 JDIMENSION MCU_col_num; /* index of current MCU within row */
312 /* Construct list of pointers to DCT blocks belonging to this MCU */
313 blkn = 0; /* index of current DCT block within MCU */
333 /* Try to fetch the MCU. */
341 /* Completed an MCU row, but perhaps not an iMCU row */
356 * Read one fully interleaved MCU row ("iMCU" row) per call.
364 int mcu = cinfo->input_iMCU_row;
369 cinfo->output_iMCU_row = mcu;
373 cinfo->input_iMCU_row = mcu;
379 cinfo->input_iMCU_row = mcu + 1;
395 JDIMENSION MCU_col_num; /* index of current MCU within row */
424 /* Try to fetch the MCU. */
432 /* Completed an MCU row, but perhaps not an iMCU row */
455 JDIMENSION MCU_col_num; /* index of current MCU within row */
493 /* For each MCU, we loop through different color components.
497 blkn = 0; /* index of current DCT block within MCU */
502 * the virtual buffer in a color component of the MCU.
522 /* Try to fetch the MCU. */
530 /* Completed an MCU row, but perhaps not an iMCU row */
547 * Always attempts to emit one fully interleaved MCU row ("iMCU" row).
972 /* We only need a single-MCU buffer. */
1024 /* We only need a single-MCU buffer. */
