1 files changed, 28 insertions, 5 deletions

diff --git a/src/3rdparty/libjpeg/src/jcapimin.c b/src/3rdparty/libjpeg/src/jcapimin.c
index 178c55ba47..cbb3d13e1c 100644
--- a/src/3rdparty/libjpeg/src/jcapimin.c
+++ b/src/3rdparty/libjpeg/src/jcapimin.c
@@ -4,8 +4,8 @@
  * This file was part of the Independent JPEG Group's software:
  * Copyright (C) 1994-1998, Thomas G. Lane.
  * Modified 2003-2010 by Guido Vollbeding.
- * 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.
  *
@@ -23,6 +23,7 @@
 #define JPEG_INTERNALS
 #include "jinclude.h"
 #include "jpeglib.h"
+#include "jcmaster.h"
 
 
 /*
@@ -52,7 +53,7 @@ jpeg_CreateCompress(j_compress_ptr cinfo, int version, size_t structsize)
   {
     struct jpeg_error_mgr *err = cinfo->err;
     void *client_data = cinfo->client_data; /* ignore Purify complaint here */
-    MEMZERO(cinfo, sizeof(struct jpeg_compress_struct));
+    memset(cinfo, 0, sizeof(struct jpeg_compress_struct));
     cinfo->err = err;
     cinfo->client_data = client_data;
   }
@@ -90,8 +91,18 @@ jpeg_CreateCompress(j_compress_ptr cinfo, int version, size_t structsize)
 
   cinfo->input_gamma = 1.0;     /* in case application forgets */
 
+  cinfo->data_precision = BITS_IN_JSAMPLE;
+
   /* OK, I'm ready */
   cinfo->global_state = CSTATE_START;
+
+  /* The master struct is used to store extension parameters, so we allocate it
+   * here.
+   */
+  cinfo->master = (struct jpeg_comp_master *)
+      (*cinfo->mem->alloc_small) ((j_common_ptr)cinfo, JPOOL_PERMANENT,
+                                  sizeof(my_comp_master));
+  memset(cinfo->master, 0, sizeof(my_comp_master));
 }
 
 
@@ -183,8 +194,20 @@ jpeg_finish_compress(j_compress_ptr cinfo)
       /* We bypass the main controller and invoke coef controller directly;
        * all work is being done from the coefficient buffer.
        */
-      if (!(*cinfo->coef->compress_data) (cinfo, (JSAMPIMAGE)NULL))
-        ERREXIT(cinfo, JERR_CANT_SUSPEND);
+      if (cinfo->data_precision == 16) {
+#ifdef C_LOSSLESS_SUPPORTED
+        if (!(*cinfo->coef->compress_data_16) (cinfo, (J16SAMPIMAGE)NULL))
+          ERREXIT(cinfo, JERR_CANT_SUSPEND);
+#else
+        ERREXIT1(cinfo, JERR_BAD_PRECISION, cinfo->data_precision);
+#endif
+      } else if (cinfo->data_precision == 12) {
+        if (!(*cinfo->coef->compress_data_12) (cinfo, (J12SAMPIMAGE)NULL))
+          ERREXIT(cinfo, JERR_CANT_SUSPEND);
+      } else {
+        if (!(*cinfo->coef->compress_data) (cinfo, (JSAMPIMAGE)NULL))
+          ERREXIT(cinfo, JERR_CANT_SUSPEND);
+      }
     }
     (*cinfo->master->finish_pass) (cinfo);
   }