diff options
Diffstat (limited to 'src/3rdparty/libjpeg/src/jdapimin.c')
| -rw-r--r-- | src/3rdparty/libjpeg/src/jdapimin.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/src/3rdparty/libjpeg/src/jdapimin.c b/src/3rdparty/libjpeg/src/jdapimin.c index 51ca552dad..30d92841a8 100644 --- a/src/3rdparty/libjpeg/src/jdapimin.c +++ b/src/3rdparty/libjpeg/src/jdapimin.c @@ -6,7 +6,7 @@ * Lossless JPEG Modifications: * Copyright (C) 1999, Ken Murchison. * libjpeg-turbo Modifications: - * Copyright (C) 2016, 2022, D. R. Commander. + * Copyright (C) 2016, 2022, 2024, D. R. Commander. * For conditions of distribution and use, see the accompanying README.ijg * file. * @@ -160,9 +160,12 @@ default_decompress_parms(j_decompress_ptr cinfo) int cid1 = cinfo->comp_info[1].component_id; int cid2 = cinfo->comp_info[2].component_id; - if (cid0 == 1 && cid1 == 2 && cid2 == 3) - cinfo->jpeg_color_space = JCS_YCbCr; /* assume JFIF w/out marker */ - else if (cid0 == 82 && cid1 == 71 && cid2 == 66) + if (cid0 == 1 && cid1 == 2 && cid2 == 3) { + if (cinfo->master->lossless) + cinfo->jpeg_color_space = JCS_RGB; /* assume RGB w/out marker */ + else + cinfo->jpeg_color_space = JCS_YCbCr; /* assume JFIF w/out marker */ + } else if (cid0 == 82 && cid1 == 71 && cid2 == 66) cinfo->jpeg_color_space = JCS_RGB; /* ASCII 'R', 'G', 'B' */ else { TRACEMS3(cinfo, 1, JTRC_UNKNOWN_IDS, cid0, cid1, cid2); |