diff options
author | Eirik Aavitsland <eirik.aavitsland@qt.io> | 2023-02-03 09:34:03 +0100 |
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committer | Eirik Aavitsland <eirik.aavitsland@qt.io> | 2023-02-13 12:38:10 +0100 |
commit | 94efcf9be4c5e46dff463806e278fcee90ff4d53 (patch) | |
tree | 428c2aede34ba5081bb71f3e778409c3d74e45af /src/3rdparty/libjpeg/src/jchuff.h | |
parent | fbfee2d7c59a7c6cd17ae7a3f63f983b9f3316f5 (diff) |
Update bundled libjpeg-turbo to version 2.1.5
[ChangeLog][Third-Party Code] libjpeg-turbo was updated to version 2.1.5
Pick-to: 6.5 6.4 6.2 5.15
Task-number: QTBUG-110336
Change-Id: Ifc08ad7f1a3c5b3e66b11e5a51d523b091288790
Reviewed-by: Allan Sandfeld Jensen <allan.jensen@qt.io>
Diffstat (limited to 'src/3rdparty/libjpeg/src/jchuff.h')
-rw-r--r-- | src/3rdparty/libjpeg/src/jchuff.h | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/src/3rdparty/libjpeg/src/jchuff.h b/src/3rdparty/libjpeg/src/jchuff.h index 314a2325c9..da7809a94b 100644 --- a/src/3rdparty/libjpeg/src/jchuff.h +++ b/src/3rdparty/libjpeg/src/jchuff.h @@ -3,8 +3,8 @@ * * This file was part of the Independent JPEG Group's software: * Copyright (C) 1991-1997, Thomas G. Lane. - * It was modified by The libjpeg-turbo Project to include only code relevant - * to libjpeg-turbo. + * libjpeg-turbo Modifications: + * Copyright (C) 2022, D. R. Commander. * For conditions of distribution and use, see the accompanying README.ijg * file. * @@ -25,6 +25,14 @@ #define MAX_COEF_BITS 14 #endif +/* The progressive Huffman encoder uses an unsigned 16-bit data type to store + * absolute values of coefficients, because it is possible to inject a + * coefficient value of -32768 into the encoder by attempting to transform a + * malformed 12-bit JPEG image, and the absolute value of -32768 would overflow + * a signed 16-bit integer. + */ +typedef unsigned short UJCOEF; + /* Derived data constructed for each Huffman table */ typedef struct { |