diff options
| author | Albrecht Schlosser <albrechts.fltk@online.de> | 2015-03-16 16:57:13 +0000 |
|---|---|---|
| committer | Albrecht Schlosser <albrechts.fltk@online.de> | 2015-03-16 16:57:13 +0000 |
| commit | 463eb3a18155d848733e33afbc75bfdccc9a1784 (patch) | |
| tree | eede2f2bcc29723fae9149c445c78424e90af653 /jpeg/jdcoefct.c | |
| parent | 992192dd0261da8efc9df6016806e05f80b9b81e (diff) | |
Update bundled libjpeg from jpeg-8c to jpeg-9a.
git-svn-id: file:///fltk/svn/fltk/branches/branch-1.3@10626 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
Diffstat (limited to 'jpeg/jdcoefct.c')
| -rw-r--r-- | jpeg/jdcoefct.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/jpeg/jdcoefct.c b/jpeg/jdcoefct.c index 462e92c61..ed02fc378 100644 --- a/jpeg/jdcoefct.c +++ b/jpeg/jdcoefct.c @@ -2,6 +2,7 @@ * jdcoefct.c * * Copyright (C) 1994-1997, Thomas G. Lane. + * Modified 2002-2011 by Guido Vollbeding. * This file is part of the Independent JPEG Group's software. * For conditions of distribution and use, see the accompanying README file. * @@ -162,8 +163,9 @@ decompress_onepass (j_decompress_ptr cinfo, JSAMPIMAGE output_buf) for (MCU_col_num = coef->MCU_ctr; MCU_col_num <= last_MCU_col; MCU_col_num++) { /* Try to fetch an MCU. Entropy decoder expects buffer to be zeroed. */ - jzero_far((void FAR *) coef->MCU_buffer[0], - (size_t) (cinfo->blocks_in_MCU * SIZEOF(JBLOCK))); + if (cinfo->lim_Se) /* can bypass in DC only case */ + FMEMZERO((void FAR *) coef->MCU_buffer[0], + (size_t) (cinfo->blocks_in_MCU * SIZEOF(JBLOCK))); if (! (*cinfo->entropy->decode_mcu) (cinfo, coef->MCU_buffer)) { /* Suspension forced; update state counters and exit */ coef->MCU_vert_offset = yoffset; @@ -729,6 +731,9 @@ jinit_d_coef_controller (j_decompress_ptr cinfo, boolean need_full_buffer) for (i = 0; i < D_MAX_BLOCKS_IN_MCU; i++) { coef->MCU_buffer[i] = buffer + i; } + if (cinfo->lim_Se == 0) /* DC only case: want to bypass later */ + FMEMZERO((void FAR *) buffer, + (size_t) (D_MAX_BLOCKS_IN_MCU * SIZEOF(JBLOCK))); coef->pub.consume_data = dummy_consume_data; coef->pub.decompress_data = decompress_onepass; coef->pub.coef_arrays = NULL; /* flag for no virtual arrays */ |