diff options
Diffstat (limited to 'src/3rdparty/libjpeg/src/jdmarker.c')
| -rw-r--r-- | src/3rdparty/libjpeg/src/jdmarker.c | 26 |
1 files changed, 19 insertions, 7 deletions
diff --git a/src/3rdparty/libjpeg/src/jdmarker.c b/src/3rdparty/libjpeg/src/jdmarker.c index f7eba615fd..acd28ce62c 100644 --- a/src/3rdparty/libjpeg/src/jdmarker.c +++ b/src/3rdparty/libjpeg/src/jdmarker.c @@ -3,6 +3,8 @@ * * This file was part of the Independent JPEG Group's software: * Copyright (C) 1991-1998, Thomas G. Lane. + * Lossless JPEG Modifications: + * Copyright (C) 1999, Ken Murchison. * libjpeg-turbo Modifications: * Copyright (C) 2012, 2015, 2022, D. R. Commander. * For conditions of distribution and use, see the accompanying README.ijg @@ -237,7 +239,8 @@ get_soi(j_decompress_ptr cinfo) LOCAL(boolean) -get_sof(j_decompress_ptr cinfo, boolean is_prog, boolean is_arith) +get_sof(j_decompress_ptr cinfo, boolean is_prog, boolean is_lossless, + boolean is_arith) /* Process a SOFn marker */ { JLONG length; @@ -246,6 +249,7 @@ get_sof(j_decompress_ptr cinfo, boolean is_prog, boolean is_arith) INPUT_VARS(cinfo); cinfo->progressive_mode = is_prog; + cinfo->master->lossless = is_lossless; cinfo->arith_code = is_arith; INPUT_2BYTES(cinfo, length, return FALSE); @@ -990,32 +994,40 @@ read_markers(j_decompress_ptr cinfo) case M_SOF0: /* Baseline */ case M_SOF1: /* Extended sequential, Huffman */ - if (!get_sof(cinfo, FALSE, FALSE)) + if (!get_sof(cinfo, FALSE, FALSE, FALSE)) return JPEG_SUSPENDED; break; case M_SOF2: /* Progressive, Huffman */ - if (!get_sof(cinfo, TRUE, FALSE)) + if (!get_sof(cinfo, TRUE, FALSE, FALSE)) + return JPEG_SUSPENDED; + break; + + case M_SOF3: /* Lossless, Huffman */ + if (!get_sof(cinfo, FALSE, TRUE, FALSE)) return JPEG_SUSPENDED; break; case M_SOF9: /* Extended sequential, arithmetic */ - if (!get_sof(cinfo, FALSE, TRUE)) + if (!get_sof(cinfo, FALSE, FALSE, TRUE)) return JPEG_SUSPENDED; break; case M_SOF10: /* Progressive, arithmetic */ - if (!get_sof(cinfo, TRUE, TRUE)) + if (!get_sof(cinfo, TRUE, FALSE, TRUE)) + return JPEG_SUSPENDED; + break; + + case M_SOF11: /* Lossless, arithmetic */ + if (!get_sof(cinfo, FALSE, TRUE, TRUE)) return JPEG_SUSPENDED; break; /* Currently unsupported SOFn types */ - case M_SOF3: /* Lossless, Huffman */ case M_SOF5: /* Differential sequential, Huffman */ case M_SOF6: /* Differential progressive, Huffman */ case M_SOF7: /* Differential lossless, Huffman */ case M_JPG: /* Reserved for JPEG extensions */ - case M_SOF11: /* Lossless, arithmetic */ case M_SOF13: /* Differential sequential, arithmetic */ case M_SOF14: /* Differential progressive, arithmetic */ case M_SOF15: /* Differential lossless, arithmetic */ |