diff options
Diffstat (limited to 'jccoefct.c')
| -rw-r--r-- | jccoefct.c | 8 |
1 files changed, 5 insertions, 3 deletions
@@ -170,7 +170,8 @@ compress_data (j_compress_ptr cinfo, JSAMPIMAGE input_buf) blockcnt = (MCU_col_num < last_MCU_col) ? compptr->MCU_width : compptr->last_col_width; xpos = MCU_col_num * compptr->MCU_sample_width; - ypos = yoffset * DCTSIZE; /* ypos == (yoffset+yindex) * DCTSIZE */ + ypos = yoffset * compptr->DCT_v_scaled_size; + /* ypos == (yoffset+yindex) * DCTSIZE */ for (yindex = 0; yindex < compptr->MCU_height; yindex++) { if (coef->iMCU_row_num < last_iMCU_row || yoffset+yindex < compptr->last_row_height) { @@ -195,7 +196,7 @@ compress_data (j_compress_ptr cinfo, JSAMPIMAGE input_buf) } } blkn += compptr->MCU_width; - ypos += DCTSIZE; + ypos += compptr->DCT_v_scaled_size; } } /* Try to write the MCU. In event of a suspension failure, we will @@ -281,7 +282,8 @@ compress_first_pass (j_compress_ptr cinfo, JSAMPIMAGE input_buf) thisblockrow = buffer[block_row]; (*cinfo->fdct->forward_DCT) (cinfo, compptr, input_buf[ci], thisblockrow, - (JDIMENSION) (block_row * DCTSIZE), + (JDIMENSION) (block_row * + compptr->DCT_v_scaled_size), (JDIMENSION) 0, blocks_across); if (ndummy > 0) { /* Create dummy blocks at the right edge of the image. */ |