Issue #1933 - Part 2: Update libjpeg-turbo source.

1 files changed, 64 insertions, 59 deletions

diff --git a/media/libjpeg/jdmainct.c b/media/libjpeg/jdmainct.c
index ebb069b0f4..f466b259f0 100644
--- a/media/libjpeg/jdmainct.c
+++ b/media/libjpeg/jdmainct.c
@@ -18,6 +18,7 @@
 
 #include "jinclude.h"
 #include "jdmainct.h"
+#include "jconfigint.h"
 
 
 /*
@@ -112,26 +113,29 @@
 
 
 /* Forward declarations */
-METHODDEF(void) process_data_simple_main
-        (j_decompress_ptr cinfo, JSAMPARRAY output_buf,
-         JDIMENSION *out_row_ctr, JDIMENSION out_rows_avail);
-METHODDEF(void) process_data_context_main
-        (j_decompress_ptr cinfo, JSAMPARRAY output_buf,
-         JDIMENSION *out_row_ctr, JDIMENSION out_rows_avail);
+METHODDEF(void) process_data_simple_main(j_decompress_ptr cinfo,
+                                         JSAMPARRAY output_buf,
+                                         JDIMENSION *out_row_ctr,
+                                         JDIMENSION out_rows_avail);
+METHODDEF(void) process_data_context_main(j_decompress_ptr cinfo,
+                                          JSAMPARRAY output_buf,
+                                          JDIMENSION *out_row_ctr,
+                                          JDIMENSION out_rows_avail);
 #ifdef QUANT_2PASS_SUPPORTED
-METHODDEF(void) process_data_crank_post
-        (j_decompress_ptr cinfo, JSAMPARRAY output_buf,
-         JDIMENSION *out_row_ctr, JDIMENSION out_rows_avail);
+METHODDEF(void) process_data_crank_post(j_decompress_ptr cinfo,
+                                        JSAMPARRAY output_buf,
+                                        JDIMENSION *out_row_ctr,
+                                        JDIMENSION out_rows_avail);
 #endif
 
 
 LOCAL(void)
-alloc_funny_pointers (j_decompress_ptr cinfo)
+alloc_funny_pointers(j_decompress_ptr cinfo)
 /* Allocate space for the funny pointer lists.
  * This is done only once, not once per pass.
  */
 {
-  my_main_ptr main_ptr = (my_main_ptr) cinfo->main;
+  my_main_ptr main_ptr = (my_main_ptr)cinfo->main;
   int ci, rgroup;
   int M = cinfo->_min_DCT_scaled_size;
   jpeg_component_info *compptr;
@@ -141,7 +145,7 @@ alloc_funny_pointers (j_decompress_ptr cinfo)
    * We alloc both arrays with one call to save a few cycles.
    */
   main_ptr->xbuffer[0] = (JSAMPIMAGE)
-    (*cinfo->mem->alloc_small) ((j_common_ptr) cinfo, JPOOL_IMAGE,
+    (*cinfo->mem->alloc_small) ((j_common_ptr)cinfo, JPOOL_IMAGE,
                                 cinfo->num_components * 2 * sizeof(JSAMPARRAY));
   main_ptr->xbuffer[1] = main_ptr->xbuffer[0] + cinfo->num_components;
 
@@ -153,7 +157,7 @@ alloc_funny_pointers (j_decompress_ptr cinfo)
      * We alloc both pointer lists with one call to save a few cycles.
      */
     xbuf = (JSAMPARRAY)
-      (*cinfo->mem->alloc_small) ((j_common_ptr) cinfo, JPOOL_IMAGE,
+      (*cinfo->mem->alloc_small) ((j_common_ptr)cinfo, JPOOL_IMAGE,
                                   2 * (rgroup * (M + 4)) * sizeof(JSAMPROW));
     xbuf += rgroup;             /* want one row group at negative offsets */
     main_ptr->xbuffer[0][ci] = xbuf;
@@ -164,7 +168,7 @@ alloc_funny_pointers (j_decompress_ptr cinfo)
 
 
 LOCAL(void)
-make_funny_pointers (j_decompress_ptr cinfo)
+make_funny_pointers(j_decompress_ptr cinfo)
 /* Create the funny pointer lists discussed in the comments above.
  * The actual workspace is already allocated (in main_ptr->buffer),
  * and the space for the pointer lists is allocated too.
@@ -172,7 +176,7 @@ make_funny_pointers (j_decompress_ptr cinfo)
  * This will be repeated at the beginning of each pass.
  */
 {
-  my_main_ptr main_ptr = (my_main_ptr) cinfo->main;
+  my_main_ptr main_ptr = (my_main_ptr)cinfo->main;
   int ci, i, rgroup;
   int M = cinfo->_min_DCT_scaled_size;
   jpeg_component_info *compptr;
@@ -191,8 +195,8 @@ make_funny_pointers (j_decompress_ptr cinfo)
     }
     /* In the second list, put the last four row groups in swapped order */
     for (i = 0; i < rgroup * 2; i++) {
-      xbuf1[rgroup*(M-2) + i] = buf[rgroup*M + i];
-      xbuf1[rgroup*M + i] = buf[rgroup*(M-2) + i];
+      xbuf1[rgroup * (M - 2) + i] = buf[rgroup * M + i];
+      xbuf1[rgroup * M + i] = buf[rgroup * (M - 2) + i];
     }
     /* The wraparound pointers at top and bottom will be filled later
      * (see set_wraparound_pointers, below).  Initially we want the "above"
@@ -207,13 +211,13 @@ make_funny_pointers (j_decompress_ptr cinfo)
 
 
 LOCAL(void)
-set_bottom_pointers (j_decompress_ptr cinfo)
+set_bottom_pointers(j_decompress_ptr cinfo)
 /* Change the pointer lists to duplicate the last sample row at the bottom
  * of the image.  whichptr indicates which xbuffer holds the final iMCU row.
  * Also sets rowgroups_avail to indicate number of nondummy row groups in row.
  */
 {
-  my_main_ptr main_ptr = (my_main_ptr) cinfo->main;
+  my_main_ptr main_ptr = (my_main_ptr)cinfo->main;
   int ci, i, rgroup, iMCUheight, rows_left;
   jpeg_component_info *compptr;
   JSAMPARRAY xbuf;
@@ -224,20 +228,20 @@ set_bottom_pointers (j_decompress_ptr cinfo)
     iMCUheight = compptr->v_samp_factor * compptr->_DCT_scaled_size;
     rgroup = iMCUheight / cinfo->_min_DCT_scaled_size;
     /* Count nondummy sample rows remaining for this component */
-    rows_left = (int) (compptr->downsampled_height % (JDIMENSION) iMCUheight);
+    rows_left = (int)(compptr->downsampled_height % (JDIMENSION)iMCUheight);
     if (rows_left == 0) rows_left = iMCUheight;
     /* Count nondummy row groups.  Should get same answer for each component,
      * so we need only do it once.
      */
     if (ci == 0) {
-      main_ptr->rowgroups_avail = (JDIMENSION) ((rows_left-1) / rgroup + 1);
+      main_ptr->rowgroups_avail = (JDIMENSION)((rows_left - 1) / rgroup + 1);
     }
     /* Duplicate the last real sample row rgroup*2 times; this pads out the
      * last partial rowgroup and ensures at least one full rowgroup of context.
      */
     xbuf = main_ptr->xbuffer[main_ptr->whichptr][ci];
     for (i = 0; i < rgroup * 2; i++) {
-      xbuf[rows_left + i] = xbuf[rows_left-1];
+      xbuf[rows_left + i] = xbuf[rows_left - 1];
     }
   }
 }
@@ -248,9 +252,9 @@ set_bottom_pointers (j_decompress_ptr cinfo)
  */
 
 METHODDEF(void)
-start_pass_main (j_decompress_ptr cinfo, J_BUF_MODE pass_mode)
+start_pass_main(j_decompress_ptr cinfo, J_BUF_MODE pass_mode)
 {
-  my_main_ptr main_ptr = (my_main_ptr) cinfo->main;
+  my_main_ptr main_ptr = (my_main_ptr)cinfo->main;
 
   switch (pass_mode) {
   case JBUF_PASS_THRU:
@@ -286,22 +290,21 @@ start_pass_main (j_decompress_ptr cinfo, J_BUF_MODE pass_mode)
  */
 
 METHODDEF(void)
-process_data_simple_main (j_decompress_ptr cinfo,
-                          JSAMPARRAY output_buf, JDIMENSION *out_row_ctr,
-                          JDIMENSION out_rows_avail)
+process_data_simple_main(j_decompress_ptr cinfo, JSAMPARRAY output_buf,
+                         JDIMENSION *out_row_ctr, JDIMENSION out_rows_avail)
 {
-  my_main_ptr main_ptr = (my_main_ptr) cinfo->main;
+  my_main_ptr main_ptr = (my_main_ptr)cinfo->main;
   JDIMENSION rowgroups_avail;
 
   /* Read input data if we haven't filled the main buffer yet */
-  if (! main_ptr->buffer_full) {
-    if (! (*cinfo->coef->decompress_data) (cinfo, main_ptr->buffer))
+  if (!main_ptr->buffer_full) {
+    if (!(*cinfo->coef->decompress_data) (cinfo, main_ptr->buffer))
       return;                   /* suspension forced, can do nothing more */
     main_ptr->buffer_full = TRUE;       /* OK, we have an iMCU row to work with */
   }
 
   /* There are always min_DCT_scaled_size row groups in an iMCU row. */
-  rowgroups_avail = (JDIMENSION) cinfo->_min_DCT_scaled_size;
+  rowgroups_avail = (JDIMENSION)cinfo->_min_DCT_scaled_size;
   /* Note: at the bottom of the image, we may pass extra garbage row groups
    * to the postprocessor.  The postprocessor has to check for bottom
    * of image anyway (at row resolution), so no point in us doing it too.
@@ -326,16 +329,15 @@ process_data_simple_main (j_decompress_ptr cinfo,
  */
 
 METHODDEF(void)
-process_data_context_main (j_decompress_ptr cinfo,
-                           JSAMPARRAY output_buf, JDIMENSION *out_row_ctr,
-                           JDIMENSION out_rows_avail)
+process_data_context_main(j_decompress_ptr cinfo, JSAMPARRAY output_buf,
+                          JDIMENSION *out_row_ctr, JDIMENSION out_rows_avail)
 {
-  my_main_ptr main_ptr = (my_main_ptr) cinfo->main;
+  my_main_ptr main_ptr = (my_main_ptr)cinfo->main;
 
   /* Read input data if we haven't filled the main buffer yet */
-  if (! main_ptr->buffer_full) {
-    if (! (*cinfo->coef->decompress_data) (cinfo,
-                                           main_ptr->xbuffer[main_ptr->whichptr]))
+  if (!main_ptr->buffer_full) {
+    if (!(*cinfo->coef->decompress_data) (cinfo,
+                                          main_ptr->xbuffer[main_ptr->whichptr]))
       return;                   /* suspension forced, can do nothing more */
     main_ptr->buffer_full = TRUE;       /* OK, we have an iMCU row to work with */
     main_ptr->iMCU_row_ctr++;   /* count rows received */
@@ -349,31 +351,35 @@ process_data_context_main (j_decompress_ptr cinfo,
   switch (main_ptr->context_state) {
   case CTX_POSTPONED_ROW:
     /* Call postprocessor using previously set pointers for postponed row */
-    (*cinfo->post->post_process_data) (cinfo, main_ptr->xbuffer[main_ptr->whichptr],
-                        &main_ptr->rowgroup_ctr, main_ptr->rowgroups_avail,
-                        output_buf, out_row_ctr, out_rows_avail);
+    (*cinfo->post->post_process_data) (cinfo,
+                                       main_ptr->xbuffer[main_ptr->whichptr],
+                                       &main_ptr->rowgroup_ctr,
+                                       main_ptr->rowgroups_avail, output_buf,
+                                       out_row_ctr, out_rows_avail);
     if (main_ptr->rowgroup_ctr < main_ptr->rowgroups_avail)
       return;                   /* Need to suspend */
     main_ptr->context_state = CTX_PREPARE_FOR_IMCU;
     if (*out_row_ctr >= out_rows_avail)
       return;                   /* Postprocessor exactly filled output buf */
-    /*FALLTHROUGH*/
+    FALLTHROUGH                 /*FALLTHROUGH*/
   case CTX_PREPARE_FOR_IMCU:
     /* Prepare to process first M-1 row groups of this iMCU row */
     main_ptr->rowgroup_ctr = 0;
-    main_ptr->rowgroups_avail = (JDIMENSION) (cinfo->_min_DCT_scaled_size - 1);
+    main_ptr->rowgroups_avail = (JDIMENSION)(cinfo->_min_DCT_scaled_size - 1);
     /* Check for bottom of image: if so, tweak pointers to "duplicate"
      * the last sample row, and adjust rowgroups_avail to ignore padding rows.
      */
     if (main_ptr->iMCU_row_ctr == cinfo->total_iMCU_rows)
       set_bottom_pointers(cinfo);
     main_ptr->context_state = CTX_PROCESS_IMCU;
-    /*FALLTHROUGH*/
+    FALLTHROUGH                 /*FALLTHROUGH*/
   case CTX_PROCESS_IMCU:
     /* Call postprocessor using previously set pointers */
-    (*cinfo->post->post_process_data) (cinfo, main_ptr->xbuffer[main_ptr->whichptr],
-                        &main_ptr->rowgroup_ctr, main_ptr->rowgroups_avail,
-                        output_buf, out_row_ctr, out_rows_avail);
+    (*cinfo->post->post_process_data) (cinfo,
+                                       main_ptr->xbuffer[main_ptr->whichptr],
+                                       &main_ptr->rowgroup_ctr,
+                                       main_ptr->rowgroups_avail, output_buf,
+                                       out_row_ctr, out_rows_avail);
     if (main_ptr->rowgroup_ctr < main_ptr->rowgroups_avail)
       return;                   /* Need to suspend */
     /* After the first iMCU, change wraparound pointers to normal state */
@@ -384,8 +390,8 @@ process_data_context_main (j_decompress_ptr cinfo,
     main_ptr->buffer_full = FALSE;
     /* Still need to process last row group of this iMCU row, */
     /* which is saved at index M+1 of the other xbuffer */
-    main_ptr->rowgroup_ctr = (JDIMENSION) (cinfo->_min_DCT_scaled_size + 1);
-    main_ptr->rowgroups_avail = (JDIMENSION) (cinfo->_min_DCT_scaled_size + 2);
+    main_ptr->rowgroup_ctr = (JDIMENSION)(cinfo->_min_DCT_scaled_size + 1);
+    main_ptr->rowgroups_avail = (JDIMENSION)(cinfo->_min_DCT_scaled_size + 2);
     main_ptr->context_state = CTX_POSTPONED_ROW;
   }
 }
@@ -400,12 +406,11 @@ process_data_context_main (j_decompress_ptr cinfo,
 #ifdef QUANT_2PASS_SUPPORTED
 
 METHODDEF(void)
-process_data_crank_post (j_decompress_ptr cinfo,
-                         JSAMPARRAY output_buf, JDIMENSION *out_row_ctr,
-                         JDIMENSION out_rows_avail)
+process_data_crank_post(j_decompress_ptr cinfo, JSAMPARRAY output_buf,
+                        JDIMENSION *out_row_ctr, JDIMENSION out_rows_avail)
 {
-  (*cinfo->post->post_process_data) (cinfo, (JSAMPIMAGE) NULL,
-                                     (JDIMENSION *) NULL, (JDIMENSION) 0,
+  (*cinfo->post->post_process_data) (cinfo, (JSAMPIMAGE)NULL,
+                                     (JDIMENSION *)NULL, (JDIMENSION)0,
                                      output_buf, out_row_ctr, out_rows_avail);
 }
 
@@ -417,16 +422,16 @@ process_data_crank_post (j_decompress_ptr cinfo,
  */
 
 GLOBAL(void)
-jinit_d_main_controller (j_decompress_ptr cinfo, boolean need_full_buffer)
+jinit_d_main_controller(j_decompress_ptr cinfo, boolean need_full_buffer)
 {
   my_main_ptr main_ptr;
   int ci, rgroup, ngroups;
   jpeg_component_info *compptr;
 
   main_ptr = (my_main_ptr)
-    (*cinfo->mem->alloc_small) ((j_common_ptr) cinfo, JPOOL_IMAGE,
+    (*cinfo->mem->alloc_small) ((j_common_ptr)cinfo, JPOOL_IMAGE,
                                 sizeof(my_main_controller));
-  cinfo->main = (struct jpeg_d_main_controller *) main_ptr;
+  cinfo->main = (struct jpeg_d_main_controller *)main_ptr;
   main_ptr->pub.start_pass = start_pass_main;
 
   if (need_full_buffer)         /* shouldn't happen */
@@ -449,8 +454,8 @@ jinit_d_main_controller (j_decompress_ptr cinfo, boolean need_full_buffer)
     rgroup = (compptr->v_samp_factor * compptr->_DCT_scaled_size) /
       cinfo->_min_DCT_scaled_size; /* height of a row group of component */
     main_ptr->buffer[ci] = (*cinfo->mem->alloc_sarray)
-                        ((j_common_ptr) cinfo, JPOOL_IMAGE,
+                        ((j_common_ptr)cinfo, JPOOL_IMAGE,
                          compptr->width_in_blocks * compptr->_DCT_scaled_size,
-                         (JDIMENSION) (rgroup * ngroups));
+                         (JDIMENSION)(rgroup * ngroups));
   }
 }