diff mbox series

[oe,meta-oe,9/9] fbida: Fix build with libjpeg-turbo

Message ID 20170808214800.39621-9-raj.khem@gmail.com
State Accepted
Commit 24b6c3c4ba88429ed0d89a6d10488f08f952a7f5
Headers show
Series [oe,meta-oe,1/9] php7: upgrade to 7.1.7 | expand

Commit Message

Khem Raj Aug. 8, 2017, 9:48 p.m. UTC
Dont hardcode cpp to point to gcc collection, helps
compiling with clang

Signed-off-by: Khem Raj <raj.khem@gmail.com>

---
 meta-oe/recipes-graphics/fbida/fbida_2.10.bb       |    5 +-
 .../fbida/files/fix-preprocessor.patch             |   14 +
 .../fbida/files/support-jpeg-turbo.patch           | 1854 ++++++++++++++++++++
 .../fbida/files/use-jpeg-turbo.patch               |   13 +
 4 files changed, 1885 insertions(+), 1 deletion(-)
 create mode 100644 meta-oe/recipes-graphics/fbida/files/fix-preprocessor.patch
 create mode 100644 meta-oe/recipes-graphics/fbida/files/support-jpeg-turbo.patch
 create mode 100644 meta-oe/recipes-graphics/fbida/files/use-jpeg-turbo.patch

-- 
2.14.0

-- 
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diff mbox series

Patch

diff --git a/meta-oe/recipes-graphics/fbida/fbida_2.10.bb b/meta-oe/recipes-graphics/fbida/fbida_2.10.bb
index 1febac8e9..0bf48ace6 100644
--- a/meta-oe/recipes-graphics/fbida/fbida_2.10.bb
+++ b/meta-oe/recipes-graphics/fbida/fbida_2.10.bb
@@ -12,6 +12,9 @@  DEPENDS = "virtual/libiconv jpeg fontconfig freetype libexif"
 
 SRC_URI = "https://www.kraxel.org/releases/fbida/fbida-${PV}.tar.gz \
 	   file://0001-Avoid-using-host-path.patch \
+	   file://fix-preprocessor.patch \
+           file://support-jpeg-turbo.patch \
+           file://use-jpeg-turbo.patch \
 	   "
 SRC_URI[md5sum] = "09460b964b58c2e39b665498eca29018"
 SRC_URI[sha256sum] = "7a5a3aac61b40a6a2bbf716d270a46e2f8e8d5c97e314e927d41398a4d0b6cb6"
@@ -34,7 +37,7 @@  PACKAGECONFIG[lirc] = ",,lirc"
 do_compile() {
     sed -i -e 's# fbgs# \$(srcdir)/fbgs#; s#-Ijpeg#-I\$(srcdir)/jpeg#; s# jpeg/# \$(srcdir)/jpeg/#' ${S}/GNUmakefile
     sed -i -e 's:/sbin/ldconfig:echo x:' ${S}/mk/Autoconf.mk
-    sed -i -e 's: cpp: ${TARGET_PREFIX}cpp -I${STAGING_INCDIR}:' ${S}/GNUmakefile
+    sed -i -e 's: cpp: ${CPP}:' ${S}/GNUmakefile
 
     # Be sure to respect preferences (force to "no")
     # Also avoid issues when ${BUILD_ARCH} == ${HOST_ARCH}
diff --git a/meta-oe/recipes-graphics/fbida/files/fix-preprocessor.patch b/meta-oe/recipes-graphics/fbida/files/fix-preprocessor.patch
new file mode 100644
index 000000000..909a0a6c0
--- /dev/null
+++ b/meta-oe/recipes-graphics/fbida/files/fix-preprocessor.patch
@@ -0,0 +1,14 @@ 
+Index: fbida-2.13/GNUmakefile
+===================================================================
+--- fbida-2.13.orig/GNUmakefile
++++ fbida-2.13/GNUmakefile
+@@ -53,8 +53,7 @@ include $(srcdir)/mk/Autoconf.mk
+ 
+ ac_jpeg_ver = $(shell \
+ 	$(call ac_init,for libjpeg version);\
+-	$(call ac_s_cmd,echo JPEG_LIB_VERSION \
+-		| cpp -include jpeglib.h | tail -n 1);\
++	$(call ac_s_cmd,cpp -include jpeglib.h -dM -E -x c /dev/null  | grep 'define JPEG_LIB_VERSION' | cut -f 3 -d' ');\
+ 	$(call ac_fini))
+ 
+ define make-config
diff --git a/meta-oe/recipes-graphics/fbida/files/support-jpeg-turbo.patch b/meta-oe/recipes-graphics/fbida/files/support-jpeg-turbo.patch
new file mode 100644
index 000000000..05cd74da9
--- /dev/null
+++ b/meta-oe/recipes-graphics/fbida/files/support-jpeg-turbo.patch
@@ -0,0 +1,1854 @@ 
+Add patch by Ondrej Sury to migrate to libjpeg-turbo (Closes: #763263)
+
+Index: fbida-2.10/jpeg/62/jpegcomp.h
+===================================================================
+--- /dev/null
++++ fbida-2.10/jpeg/62/jpegcomp.h
+@@ -0,0 +1,30 @@
++/*
++ * jpegcomp.h
++ *
++ * Copyright (C) 2010, D. R. Commander
++ * For conditions of distribution and use, see the accompanying README file.
++ *
++ * JPEG compatibility macros
++ * These declarations are considered internal to the JPEG library; most
++ * applications using the library shouldn't need to include this file.
++ */
++
++#if JPEG_LIB_VERSION >= 70
++#define _DCT_scaled_size DCT_h_scaled_size
++#define _DCT_h_scaled_size DCT_h_scaled_size
++#define _DCT_v_scaled_size DCT_v_scaled_size
++#define _min_DCT_scaled_size min_DCT_h_scaled_size
++#define _min_DCT_h_scaled_size min_DCT_h_scaled_size
++#define _min_DCT_v_scaled_size min_DCT_v_scaled_size
++#define _jpeg_width jpeg_width
++#define _jpeg_height jpeg_height
++#else
++#define _DCT_scaled_size DCT_scaled_size
++#define _DCT_h_scaled_size DCT_scaled_size
++#define _DCT_v_scaled_size DCT_scaled_size
++#define _min_DCT_scaled_size min_DCT_scaled_size
++#define _min_DCT_h_scaled_size min_DCT_scaled_size
++#define _min_DCT_v_scaled_size min_DCT_scaled_size
++#define _jpeg_width image_width
++#define _jpeg_height image_height
++#endif
+Index: fbida-2.10/jpeg/62/transupp.c
+===================================================================
+--- fbida-2.10.orig/jpeg/62/transupp.c
++++ fbida-2.10/jpeg/62/transupp.c
+@@ -1,8 +1,10 @@
+ /*
+  * transupp.c
+  *
+- * Copyright (C) 1997, Thomas G. Lane.
+- * This file is part of the Independent JPEG Group's software.
++ * This file was part of the Independent JPEG Group's software:
++ * Copyright (C) 1997-2011, Thomas G. Lane, Guido Vollbeding.
++ * libjpeg-turbo Modifications:
++ * Copyright (C) 2010, D. R. Commander.
+  * For conditions of distribution and use, see the accompanying README file.
+  *
+  * This file contains image transformation routines and other utility code
+@@ -20,6 +22,17 @@
+ #include "jinclude.h"
+ #include "jpeglib.h"
+ #include "transupp.h"		/* My own external interface */
++#include "jpegcomp.h"
++#include <ctype.h>		/* to declare isdigit() */
++
++
++#if JPEG_LIB_VERSION >= 70
++#define dstinfo_min_DCT_h_scaled_size dstinfo->min_DCT_h_scaled_size
++#define dstinfo_min_DCT_v_scaled_size dstinfo->min_DCT_v_scaled_size
++#else
++#define dstinfo_min_DCT_h_scaled_size DCTSIZE
++#define dstinfo_min_DCT_v_scaled_size DCTSIZE
++#endif
+ 
+ 
+ #if TRANSFORMS_SUPPORTED
+@@ -28,7 +41,8 @@
+  * Lossless image transformation routines.  These routines work on DCT
+  * coefficient arrays and thus do not require any lossy decompression
+  * or recompression of the image.
+- * Thanks to Guido Vollbeding for the initial design and code of this feature.
++ * Thanks to Guido Vollbeding for the initial design and code of this feature,
++ * and to Ben Jackson for introducing the cropping feature.
+  *
+  * Horizontal flipping is done in-place, using a single top-to-bottom
+  * pass through the virtual source array.  It will thus be much the
+@@ -42,6 +56,13 @@
+  * arrays for most of the transforms.  That could result in much thrashing
+  * if the image is larger than main memory.
+  *
++ * If cropping or trimming is involved, the destination arrays may be smaller
++ * than the source arrays.  Note it is not possible to do horizontal flip
++ * in-place when a nonzero Y crop offset is specified, since we'd have to move
++ * data from one block row to another but the virtual array manager doesn't
++ * guarantee we can touch more than one row at a time.  So in that case,
++ * we have to use a separate destination array.
++ *
+  * Some notes about the operating environment of the individual transform
+  * routines:
+  * 1. Both the source and destination virtual arrays are allocated from the
+@@ -54,20 +75,65 @@
+  *    and we may as well take that as the effective iMCU size.
+  * 4. When "trim" is in effect, the destination's dimensions will be the
+  *    trimmed values but the source's will be untrimmed.
+- * 5. All the routines assume that the source and destination buffers are
++ * 5. When "crop" is in effect, the destination's dimensions will be the
++ *    cropped values but the source's will be uncropped.  Each transform
++ *    routine is responsible for picking up source data starting at the
++ *    correct X and Y offset for the crop region.  (The X and Y offsets
++ *    passed to the transform routines are measured in iMCU blocks of the
++ *    destination.)
++ * 6. All the routines assume that the source and destination buffers are
+  *    padded out to a full iMCU boundary.  This is true, although for the
+  *    source buffer it is an undocumented property of jdcoefct.c.
+- * Notes 2,3,4 boil down to this: generally we should use the destination's
+- * dimensions and ignore the source's.
+  */
+ 
+ 
+ LOCAL(void)
+-do_flip_h (j_decompress_ptr srcinfo, j_compress_ptr dstinfo,
+-	   jvirt_barray_ptr *src_coef_arrays)
+-/* Horizontal flip; done in-place, so no separate dest array is required */
++do_crop (j_decompress_ptr srcinfo, j_compress_ptr dstinfo,
++	 JDIMENSION x_crop_offset, JDIMENSION y_crop_offset,
++	 jvirt_barray_ptr *src_coef_arrays,
++	 jvirt_barray_ptr *dst_coef_arrays)
++/* Crop.  This is only used when no rotate/flip is requested with the crop. */
++{
++  JDIMENSION dst_blk_y, x_crop_blocks, y_crop_blocks;
++  int ci, offset_y;
++  JBLOCKARRAY src_buffer, dst_buffer;
++  jpeg_component_info *compptr;
++
++  /* We simply have to copy the right amount of data (the destination's
++   * image size) starting at the given X and Y offsets in the source.
++   */
++  for (ci = 0; ci < dstinfo->num_components; ci++) {
++    compptr = dstinfo->comp_info + ci;
++    x_crop_blocks = x_crop_offset * compptr->h_samp_factor;
++    y_crop_blocks = y_crop_offset * compptr->v_samp_factor;
++    for (dst_blk_y = 0; dst_blk_y < compptr->height_in_blocks;
++	 dst_blk_y += compptr->v_samp_factor) {
++      dst_buffer = (*srcinfo->mem->access_virt_barray)
++	((j_common_ptr) srcinfo, dst_coef_arrays[ci], dst_blk_y,
++	 (JDIMENSION) compptr->v_samp_factor, TRUE);
++      src_buffer = (*srcinfo->mem->access_virt_barray)
++	((j_common_ptr) srcinfo, src_coef_arrays[ci],
++	 dst_blk_y + y_crop_blocks,
++	 (JDIMENSION) compptr->v_samp_factor, FALSE);
++      for (offset_y = 0; offset_y < compptr->v_samp_factor; offset_y++) {
++	jcopy_block_row(src_buffer[offset_y] + x_crop_blocks,
++			dst_buffer[offset_y],
++			compptr->width_in_blocks);
++      }
++    }
++  }
++}
++
++
++LOCAL(void)
++do_flip_h_no_crop (j_decompress_ptr srcinfo, j_compress_ptr dstinfo,
++		   JDIMENSION x_crop_offset,
++		   jvirt_barray_ptr *src_coef_arrays)
++/* Horizontal flip; done in-place, so no separate dest array is required.
++ * NB: this only works when y_crop_offset is zero.
++ */
+ {
+-  JDIMENSION MCU_cols, comp_width, blk_x, blk_y;
++  JDIMENSION MCU_cols, comp_width, blk_x, blk_y, x_crop_blocks;
+   int ci, k, offset_y;
+   JBLOCKARRAY buffer;
+   JCOEFPTR ptr1, ptr2;
+@@ -79,17 +145,20 @@ do_flip_h (j_decompress_ptr srcinfo, j_c
+    * mirroring by changing the signs of odd-numbered columns.
+    * Partial iMCUs at the right edge are left untouched.
+    */
+-  MCU_cols = dstinfo->image_width / (dstinfo->max_h_samp_factor * DCTSIZE);
++  MCU_cols = srcinfo->output_width /
++    (dstinfo->max_h_samp_factor * dstinfo_min_DCT_h_scaled_size);
+ 
+   for (ci = 0; ci < dstinfo->num_components; ci++) {
+     compptr = dstinfo->comp_info + ci;
+     comp_width = MCU_cols * compptr->h_samp_factor;
++    x_crop_blocks = x_crop_offset * compptr->h_samp_factor;
+     for (blk_y = 0; blk_y < compptr->height_in_blocks;
+ 	 blk_y += compptr->v_samp_factor) {
+       buffer = (*srcinfo->mem->access_virt_barray)
+ 	((j_common_ptr) srcinfo, src_coef_arrays[ci], blk_y,
+ 	 (JDIMENSION) compptr->v_samp_factor, TRUE);
+       for (offset_y = 0; offset_y < compptr->v_samp_factor; offset_y++) {
++	/* Do the mirroring */
+ 	for (blk_x = 0; blk_x * 2 < comp_width; blk_x++) {
+ 	  ptr1 = buffer[offset_y][blk_x];
+ 	  ptr2 = buffer[offset_y][comp_width - blk_x - 1];
+@@ -105,6 +174,80 @@ do_flip_h (j_decompress_ptr srcinfo, j_c
+ 	    *ptr2++ = -temp1;
+ 	  }
+ 	}
++	if (x_crop_blocks > 0) {
++	  /* Now left-justify the portion of the data to be kept.
++	   * We can't use a single jcopy_block_row() call because that routine
++	   * depends on memcpy(), whose behavior is unspecified for overlapping
++	   * source and destination areas.  Sigh.
++	   */
++	  for (blk_x = 0; blk_x < compptr->width_in_blocks; blk_x++) {
++	    jcopy_block_row(buffer[offset_y] + blk_x + x_crop_blocks,
++			    buffer[offset_y] + blk_x,
++			    (JDIMENSION) 1);
++	  }
++	}
++      }
++    }
++  }
++}
++
++
++LOCAL(void)
++do_flip_h (j_decompress_ptr srcinfo, j_compress_ptr dstinfo,
++	   JDIMENSION x_crop_offset, JDIMENSION y_crop_offset,
++	   jvirt_barray_ptr *src_coef_arrays,
++	   jvirt_barray_ptr *dst_coef_arrays)
++/* Horizontal flip in general cropping case */
++{
++  JDIMENSION MCU_cols, comp_width, dst_blk_x, dst_blk_y;
++  JDIMENSION x_crop_blocks, y_crop_blocks;
++  int ci, k, offset_y;
++  JBLOCKARRAY src_buffer, dst_buffer;
++  JBLOCKROW src_row_ptr, dst_row_ptr;
++  JCOEFPTR src_ptr, dst_ptr;
++  jpeg_component_info *compptr;
++
++  /* Here we must output into a separate array because we can't touch
++   * different rows of a single virtual array simultaneously.  Otherwise,
++   * this is essentially the same as the routine above.
++   */
++  MCU_cols = srcinfo->output_width /
++    (dstinfo->max_h_samp_factor * dstinfo_min_DCT_h_scaled_size);
++
++  for (ci = 0; ci < dstinfo->num_components; ci++) {
++    compptr = dstinfo->comp_info + ci;
++    comp_width = MCU_cols * compptr->h_samp_factor;
++    x_crop_blocks = x_crop_offset * compptr->h_samp_factor;
++    y_crop_blocks = y_crop_offset * compptr->v_samp_factor;
++    for (dst_blk_y = 0; dst_blk_y < compptr->height_in_blocks;
++	 dst_blk_y += compptr->v_samp_factor) {
++      dst_buffer = (*srcinfo->mem->access_virt_barray)
++	((j_common_ptr) srcinfo, dst_coef_arrays[ci], dst_blk_y,
++	 (JDIMENSION) compptr->v_samp_factor, TRUE);
++      src_buffer = (*srcinfo->mem->access_virt_barray)
++	((j_common_ptr) srcinfo, src_coef_arrays[ci],
++	 dst_blk_y + y_crop_blocks,
++	 (JDIMENSION) compptr->v_samp_factor, FALSE);
++      for (offset_y = 0; offset_y < compptr->v_samp_factor; offset_y++) {
++	dst_row_ptr = dst_buffer[offset_y];
++	src_row_ptr = src_buffer[offset_y];
++	for (dst_blk_x = 0; dst_blk_x < compptr->width_in_blocks; dst_blk_x++) {
++	  if (x_crop_blocks + dst_blk_x < comp_width) {
++	    /* Do the mirrorable blocks */
++	    dst_ptr = dst_row_ptr[dst_blk_x];
++	    src_ptr = src_row_ptr[comp_width - x_crop_blocks - dst_blk_x - 1];
++	    /* this unrolled loop doesn't need to know which row it's on... */
++	    for (k = 0; k < DCTSIZE2; k += 2) {
++	      *dst_ptr++ = *src_ptr++;	 /* copy even column */
++	      *dst_ptr++ = - *src_ptr++; /* copy odd column with sign change */
++	    }
++	  } else {
++	    /* Copy last partial block(s) verbatim */
++	    jcopy_block_row(src_row_ptr + dst_blk_x + x_crop_blocks,
++			    dst_row_ptr + dst_blk_x,
++			    (JDIMENSION) 1);
++	  }
++	}
+       }
+     }
+   }
+@@ -113,11 +256,13 @@ do_flip_h (j_decompress_ptr srcinfo, j_c
+ 
+ LOCAL(void)
+ do_flip_v (j_decompress_ptr srcinfo, j_compress_ptr dstinfo,
++	   JDIMENSION x_crop_offset, JDIMENSION y_crop_offset,
+ 	   jvirt_barray_ptr *src_coef_arrays,
+ 	   jvirt_barray_ptr *dst_coef_arrays)
+ /* Vertical flip */
+ {
+   JDIMENSION MCU_rows, comp_height, dst_blk_x, dst_blk_y;
++  JDIMENSION x_crop_blocks, y_crop_blocks;
+   int ci, i, j, offset_y;
+   JBLOCKARRAY src_buffer, dst_buffer;
+   JBLOCKROW src_row_ptr, dst_row_ptr;
+@@ -131,33 +276,39 @@ do_flip_v (j_decompress_ptr srcinfo, j_c
+    * of odd-numbered rows.
+    * Partial iMCUs at the bottom edge are copied verbatim.
+    */
+-  MCU_rows = dstinfo->image_height / (dstinfo->max_v_samp_factor * DCTSIZE);
++  MCU_rows = srcinfo->output_height /
++    (dstinfo->max_v_samp_factor * dstinfo_min_DCT_v_scaled_size);
+ 
+   for (ci = 0; ci < dstinfo->num_components; ci++) {
+     compptr = dstinfo->comp_info + ci;
+     comp_height = MCU_rows * compptr->v_samp_factor;
++    x_crop_blocks = x_crop_offset * compptr->h_samp_factor;
++    y_crop_blocks = y_crop_offset * compptr->v_samp_factor;
+     for (dst_blk_y = 0; dst_blk_y < compptr->height_in_blocks;
+ 	 dst_blk_y += compptr->v_samp_factor) {
+       dst_buffer = (*srcinfo->mem->access_virt_barray)
+ 	((j_common_ptr) srcinfo, dst_coef_arrays[ci], dst_blk_y,
+ 	 (JDIMENSION) compptr->v_samp_factor, TRUE);
+-      if (dst_blk_y < comp_height) {
++      if (y_crop_blocks + dst_blk_y < comp_height) {
+ 	/* Row is within the mirrorable area. */
+ 	src_buffer = (*srcinfo->mem->access_virt_barray)
+ 	  ((j_common_ptr) srcinfo, src_coef_arrays[ci],
+-	   comp_height - dst_blk_y - (JDIMENSION) compptr->v_samp_factor,
++	   comp_height - y_crop_blocks - dst_blk_y -
++	   (JDIMENSION) compptr->v_samp_factor,
+ 	   (JDIMENSION) compptr->v_samp_factor, FALSE);
+       } else {
+ 	/* Bottom-edge blocks will be copied verbatim. */
+ 	src_buffer = (*srcinfo->mem->access_virt_barray)
+-	  ((j_common_ptr) srcinfo, src_coef_arrays[ci], dst_blk_y,
++	  ((j_common_ptr) srcinfo, src_coef_arrays[ci],
++	   dst_blk_y + y_crop_blocks,
+ 	   (JDIMENSION) compptr->v_samp_factor, FALSE);
+       }
+       for (offset_y = 0; offset_y < compptr->v_samp_factor; offset_y++) {
+-	if (dst_blk_y < comp_height) {
++	if (y_crop_blocks + dst_blk_y < comp_height) {
+ 	  /* Row is within the mirrorable area. */
+ 	  dst_row_ptr = dst_buffer[offset_y];
+ 	  src_row_ptr = src_buffer[compptr->v_samp_factor - offset_y - 1];
++	  src_row_ptr += x_crop_blocks;
+ 	  for (dst_blk_x = 0; dst_blk_x < compptr->width_in_blocks;
+ 	       dst_blk_x++) {
+ 	    dst_ptr = dst_row_ptr[dst_blk_x];
+@@ -173,7 +324,8 @@ do_flip_v (j_decompress_ptr srcinfo, j_c
+ 	  }
+ 	} else {
+ 	  /* Just copy row verbatim. */
+-	  jcopy_block_row(src_buffer[offset_y], dst_buffer[offset_y],
++	  jcopy_block_row(src_buffer[offset_y] + x_crop_blocks,
++			  dst_buffer[offset_y],
+ 			  compptr->width_in_blocks);
+ 	}
+       }
+@@ -184,11 +336,12 @@ do_flip_v (j_decompress_ptr srcinfo, j_c
+ 
+ LOCAL(void)
+ do_transpose (j_decompress_ptr srcinfo, j_compress_ptr dstinfo,
++	      JDIMENSION x_crop_offset, JDIMENSION y_crop_offset,
+ 	      jvirt_barray_ptr *src_coef_arrays,
+ 	      jvirt_barray_ptr *dst_coef_arrays)
+ /* Transpose source into destination */
+ {
+-  JDIMENSION dst_blk_x, dst_blk_y;
++  JDIMENSION dst_blk_x, dst_blk_y, x_crop_blocks, y_crop_blocks;
+   int ci, i, j, offset_x, offset_y;
+   JBLOCKARRAY src_buffer, dst_buffer;
+   JCOEFPTR src_ptr, dst_ptr;
+@@ -201,6 +354,8 @@ do_transpose (j_decompress_ptr srcinfo,
+    */
+   for (ci = 0; ci < dstinfo->num_components; ci++) {
+     compptr = dstinfo->comp_info + ci;
++    x_crop_blocks = x_crop_offset * compptr->h_samp_factor;
++    y_crop_blocks = y_crop_offset * compptr->v_samp_factor;
+     for (dst_blk_y = 0; dst_blk_y < compptr->height_in_blocks;
+ 	 dst_blk_y += compptr->v_samp_factor) {
+       dst_buffer = (*srcinfo->mem->access_virt_barray)
+@@ -210,11 +365,12 @@ do_transpose (j_decompress_ptr srcinfo,
+ 	for (dst_blk_x = 0; dst_blk_x < compptr->width_in_blocks;
+ 	     dst_blk_x += compptr->h_samp_factor) {
+ 	  src_buffer = (*srcinfo->mem->access_virt_barray)
+-	    ((j_common_ptr) srcinfo, src_coef_arrays[ci], dst_blk_x,
++	    ((j_common_ptr) srcinfo, src_coef_arrays[ci],
++	     dst_blk_x + x_crop_blocks,
+ 	     (JDIMENSION) compptr->h_samp_factor, FALSE);
+ 	  for (offset_x = 0; offset_x < compptr->h_samp_factor; offset_x++) {
+-	    src_ptr = src_buffer[offset_x][dst_blk_y + offset_y];
+ 	    dst_ptr = dst_buffer[offset_y][dst_blk_x + offset_x];
++	    src_ptr = src_buffer[offset_x][dst_blk_y + offset_y + y_crop_blocks];
+ 	    for (i = 0; i < DCTSIZE; i++)
+ 	      for (j = 0; j < DCTSIZE; j++)
+ 		dst_ptr[j*DCTSIZE+i] = src_ptr[i*DCTSIZE+j];
+@@ -228,6 +384,7 @@ do_transpose (j_decompress_ptr srcinfo,
+ 
+ LOCAL(void)
+ do_rot_90 (j_decompress_ptr srcinfo, j_compress_ptr dstinfo,
++	   JDIMENSION x_crop_offset, JDIMENSION y_crop_offset,
+ 	   jvirt_barray_ptr *src_coef_arrays,
+ 	   jvirt_barray_ptr *dst_coef_arrays)
+ /* 90 degree rotation is equivalent to
+@@ -237,6 +394,7 @@ do_rot_90 (j_decompress_ptr srcinfo, j_c
+  */
+ {
+   JDIMENSION MCU_cols, comp_width, dst_blk_x, dst_blk_y;
++  JDIMENSION x_crop_blocks, y_crop_blocks;
+   int ci, i, j, offset_x, offset_y;
+   JBLOCKARRAY src_buffer, dst_buffer;
+   JCOEFPTR src_ptr, dst_ptr;
+@@ -246,11 +404,14 @@ do_rot_90 (j_decompress_ptr srcinfo, j_c
+    * at the (output) right edge properly.  They just get transposed and
+    * not mirrored.
+    */
+-  MCU_cols = dstinfo->image_width / (dstinfo->max_h_samp_factor * DCTSIZE);
++  MCU_cols = srcinfo->output_height /
++    (dstinfo->max_h_samp_factor * dstinfo_min_DCT_h_scaled_size);
+ 
+   for (ci = 0; ci < dstinfo->num_components; ci++) {
+     compptr = dstinfo->comp_info + ci;
+     comp_width = MCU_cols * compptr->h_samp_factor;
++    x_crop_blocks = x_crop_offset * compptr->h_samp_factor;
++    y_crop_blocks = y_crop_offset * compptr->v_samp_factor;
+     for (dst_blk_y = 0; dst_blk_y < compptr->height_in_blocks;
+ 	 dst_blk_y += compptr->v_samp_factor) {
+       dst_buffer = (*srcinfo->mem->access_virt_barray)
+@@ -259,15 +420,26 @@ do_rot_90 (j_decompress_ptr srcinfo, j_c
+       for (offset_y = 0; offset_y < compptr->v_samp_factor; offset_y++) {
+ 	for (dst_blk_x = 0; dst_blk_x < compptr->width_in_blocks;
+ 	     dst_blk_x += compptr->h_samp_factor) {
+-	  src_buffer = (*srcinfo->mem->access_virt_barray)
+-	    ((j_common_ptr) srcinfo, src_coef_arrays[ci], dst_blk_x,
+-	     (JDIMENSION) compptr->h_samp_factor, FALSE);
++	  if (x_crop_blocks + dst_blk_x < comp_width) {
++	    /* Block is within the mirrorable area. */
++	    src_buffer = (*srcinfo->mem->access_virt_barray)
++	      ((j_common_ptr) srcinfo, src_coef_arrays[ci],
++	       comp_width - x_crop_blocks - dst_blk_x -
++	       (JDIMENSION) compptr->h_samp_factor,
++	       (JDIMENSION) compptr->h_samp_factor, FALSE);
++	  } else {
++	    /* Edge blocks are transposed but not mirrored. */
++	    src_buffer = (*srcinfo->mem->access_virt_barray)
++	      ((j_common_ptr) srcinfo, src_coef_arrays[ci],
++	       dst_blk_x + x_crop_blocks,
++	       (JDIMENSION) compptr->h_samp_factor, FALSE);
++	  }
+ 	  for (offset_x = 0; offset_x < compptr->h_samp_factor; offset_x++) {
+-	    src_ptr = src_buffer[offset_x][dst_blk_y + offset_y];
+-	    if (dst_blk_x < comp_width) {
++	    dst_ptr = dst_buffer[offset_y][dst_blk_x + offset_x];
++	    if (x_crop_blocks + dst_blk_x < comp_width) {
+ 	      /* Block is within the mirrorable area. */
+-	      dst_ptr = dst_buffer[offset_y]
+-		[comp_width - dst_blk_x - offset_x - 1];
++	      src_ptr = src_buffer[compptr->h_samp_factor - offset_x - 1]
++		[dst_blk_y + offset_y + y_crop_blocks];
+ 	      for (i = 0; i < DCTSIZE; i++) {
+ 		for (j = 0; j < DCTSIZE; j++)
+ 		  dst_ptr[j*DCTSIZE+i] = src_ptr[i*DCTSIZE+j];
+@@ -277,7 +449,8 @@ do_rot_90 (j_decompress_ptr srcinfo, j_c
+ 	      }
+ 	    } else {
+ 	      /* Edge blocks are transposed but not mirrored. */
+-	      dst_ptr = dst_buffer[offset_y][dst_blk_x + offset_x];
++	      src_ptr = src_buffer[offset_x]
++		[dst_blk_y + offset_y + y_crop_blocks];
+ 	      for (i = 0; i < DCTSIZE; i++)
+ 		for (j = 0; j < DCTSIZE; j++)
+ 		  dst_ptr[j*DCTSIZE+i] = src_ptr[i*DCTSIZE+j];
+@@ -292,6 +465,7 @@ do_rot_90 (j_decompress_ptr srcinfo, j_c
+ 
+ LOCAL(void)
+ do_rot_270 (j_decompress_ptr srcinfo, j_compress_ptr dstinfo,
++	    JDIMENSION x_crop_offset, JDIMENSION y_crop_offset,
+ 	    jvirt_barray_ptr *src_coef_arrays,
+ 	    jvirt_barray_ptr *dst_coef_arrays)
+ /* 270 degree rotation is equivalent to
+@@ -301,6 +475,7 @@ do_rot_270 (j_decompress_ptr srcinfo, j_
+  */
+ {
+   JDIMENSION MCU_rows, comp_height, dst_blk_x, dst_blk_y;
++  JDIMENSION x_crop_blocks, y_crop_blocks;
+   int ci, i, j, offset_x, offset_y;
+   JBLOCKARRAY src_buffer, dst_buffer;
+   JCOEFPTR src_ptr, dst_ptr;
+@@ -310,11 +485,14 @@ do_rot_270 (j_decompress_ptr srcinfo, j_
+    * at the (output) bottom edge properly.  They just get transposed and
+    * not mirrored.
+    */
+-  MCU_rows = dstinfo->image_height / (dstinfo->max_v_samp_factor * DCTSIZE);
++  MCU_rows = srcinfo->output_width /
++    (dstinfo->max_v_samp_factor * dstinfo_min_DCT_v_scaled_size);
+ 
+   for (ci = 0; ci < dstinfo->num_components; ci++) {
+     compptr = dstinfo->comp_info + ci;
+     comp_height = MCU_rows * compptr->v_samp_factor;
++    x_crop_blocks = x_crop_offset * compptr->h_samp_factor;
++    y_crop_blocks = y_crop_offset * compptr->v_samp_factor;
+     for (dst_blk_y = 0; dst_blk_y < compptr->height_in_blocks;
+ 	 dst_blk_y += compptr->v_samp_factor) {
+       dst_buffer = (*srcinfo->mem->access_virt_barray)
+@@ -324,14 +502,15 @@ do_rot_270 (j_decompress_ptr srcinfo, j_
+ 	for (dst_blk_x = 0; dst_blk_x < compptr->width_in_blocks;
+ 	     dst_blk_x += compptr->h_samp_factor) {
+ 	  src_buffer = (*srcinfo->mem->access_virt_barray)
+-	    ((j_common_ptr) srcinfo, src_coef_arrays[ci], dst_blk_x,
++	    ((j_common_ptr) srcinfo, src_coef_arrays[ci],
++	     dst_blk_x + x_crop_blocks,
+ 	     (JDIMENSION) compptr->h_samp_factor, FALSE);
+ 	  for (offset_x = 0; offset_x < compptr->h_samp_factor; offset_x++) {
+ 	    dst_ptr = dst_buffer[offset_y][dst_blk_x + offset_x];
+-	    if (dst_blk_y < comp_height) {
++	    if (y_crop_blocks + dst_blk_y < comp_height) {
+ 	      /* Block is within the mirrorable area. */
+ 	      src_ptr = src_buffer[offset_x]
+-		[comp_height - dst_blk_y - offset_y - 1];
++		[comp_height - y_crop_blocks - dst_blk_y - offset_y - 1];
+ 	      for (i = 0; i < DCTSIZE; i++) {
+ 		for (j = 0; j < DCTSIZE; j++) {
+ 		  dst_ptr[j*DCTSIZE+i] = src_ptr[i*DCTSIZE+j];
+@@ -341,7 +520,8 @@ do_rot_270 (j_decompress_ptr srcinfo, j_
+ 	      }
+ 	    } else {
+ 	      /* Edge blocks are transposed but not mirrored. */
+-	      src_ptr = src_buffer[offset_x][dst_blk_y + offset_y];
++	      src_ptr = src_buffer[offset_x]
++		[dst_blk_y + offset_y + y_crop_blocks];
+ 	      for (i = 0; i < DCTSIZE; i++)
+ 		for (j = 0; j < DCTSIZE; j++)
+ 		  dst_ptr[j*DCTSIZE+i] = src_ptr[i*DCTSIZE+j];
+@@ -356,6 +536,7 @@ do_rot_270 (j_decompress_ptr srcinfo, j_
+ 
+ LOCAL(void)
+ do_rot_180 (j_decompress_ptr srcinfo, j_compress_ptr dstinfo,
++	    JDIMENSION x_crop_offset, JDIMENSION y_crop_offset,
+ 	    jvirt_barray_ptr *src_coef_arrays,
+ 	    jvirt_barray_ptr *dst_coef_arrays)
+ /* 180 degree rotation is equivalent to
+@@ -365,89 +546,95 @@ do_rot_180 (j_decompress_ptr srcinfo, j_
+  */
+ {
+   JDIMENSION MCU_cols, MCU_rows, comp_width, comp_height, dst_blk_x, dst_blk_y;
++  JDIMENSION x_crop_blocks, y_crop_blocks;
+   int ci, i, j, offset_y;
+   JBLOCKARRAY src_buffer, dst_buffer;
+   JBLOCKROW src_row_ptr, dst_row_ptr;
+   JCOEFPTR src_ptr, dst_ptr;
+   jpeg_component_info *compptr;
+ 
+-  MCU_cols = dstinfo->image_width / (dstinfo->max_h_samp_factor * DCTSIZE);
+-  MCU_rows = dstinfo->image_height / (dstinfo->max_v_samp_factor * DCTSIZE);
++  MCU_cols = srcinfo->output_width /
++    (dstinfo->max_h_samp_factor * dstinfo_min_DCT_h_scaled_size);
++  MCU_rows = srcinfo->output_height /
++    (dstinfo->max_v_samp_factor * dstinfo_min_DCT_v_scaled_size);
+ 
+   for (ci = 0; ci < dstinfo->num_components; ci++) {
+     compptr = dstinfo->comp_info + ci;
+     comp_width = MCU_cols * compptr->h_samp_factor;
+     comp_height = MCU_rows * compptr->v_samp_factor;
++    x_crop_blocks = x_crop_offset * compptr->h_samp_factor;
++    y_crop_blocks = y_crop_offset * compptr->v_samp_factor;
+     for (dst_blk_y = 0; dst_blk_y < compptr->height_in_blocks;
+ 	 dst_blk_y += compptr->v_samp_factor) {
+       dst_buffer = (*srcinfo->mem->access_virt_barray)
+ 	((j_common_ptr) srcinfo, dst_coef_arrays[ci], dst_blk_y,
+ 	 (JDIMENSION) compptr->v_samp_factor, TRUE);
+-      if (dst_blk_y < comp_height) {
++      if (y_crop_blocks + dst_blk_y < comp_height) {
+ 	/* Row is within the vertically mirrorable area. */
+ 	src_buffer = (*srcinfo->mem->access_virt_barray)
+ 	  ((j_common_ptr) srcinfo, src_coef_arrays[ci],
+-	   comp_height - dst_blk_y - (JDIMENSION) compptr->v_samp_factor,
++	   comp_height - y_crop_blocks - dst_blk_y -
++	   (JDIMENSION) compptr->v_samp_factor,
+ 	   (JDIMENSION) compptr->v_samp_factor, FALSE);
+       } else {
+ 	/* Bottom-edge rows are only mirrored horizontally. */
+ 	src_buffer = (*srcinfo->mem->access_virt_barray)
+-	  ((j_common_ptr) srcinfo, src_coef_arrays[ci], dst_blk_y,
++	  ((j_common_ptr) srcinfo, src_coef_arrays[ci],
++	   dst_blk_y + y_crop_blocks,
+ 	   (JDIMENSION) compptr->v_samp_factor, FALSE);
+       }
+       for (offset_y = 0; offset_y < compptr->v_samp_factor; offset_y++) {
+-	if (dst_blk_y < comp_height) {
++	dst_row_ptr = dst_buffer[offset_y];
++	if (y_crop_blocks + dst_blk_y < comp_height) {
+ 	  /* Row is within the mirrorable area. */
+-	  dst_row_ptr = dst_buffer[offset_y];
+ 	  src_row_ptr = src_buffer[compptr->v_samp_factor - offset_y - 1];
+-	  /* Process the blocks that can be mirrored both ways. */
+-	  for (dst_blk_x = 0; dst_blk_x < comp_width; dst_blk_x++) {
++	  for (dst_blk_x = 0; dst_blk_x < compptr->width_in_blocks; dst_blk_x++) {
+ 	    dst_ptr = dst_row_ptr[dst_blk_x];
+-	    src_ptr = src_row_ptr[comp_width - dst_blk_x - 1];
+-	    for (i = 0; i < DCTSIZE; i += 2) {
+-	      /* For even row, negate every odd column. */
+-	      for (j = 0; j < DCTSIZE; j += 2) {
+-		*dst_ptr++ = *src_ptr++;
+-		*dst_ptr++ = - *src_ptr++;
++	    if (x_crop_blocks + dst_blk_x < comp_width) {
++	      /* Process the blocks that can be mirrored both ways. */
++	      src_ptr = src_row_ptr[comp_width - x_crop_blocks - dst_blk_x - 1];
++	      for (i = 0; i < DCTSIZE; i += 2) {
++		/* For even row, negate every odd column. */
++		for (j = 0; j < DCTSIZE; j += 2) {
++		  *dst_ptr++ = *src_ptr++;
++		  *dst_ptr++ = - *src_ptr++;
++		}
++		/* For odd row, negate every even column. */
++		for (j = 0; j < DCTSIZE; j += 2) {
++		  *dst_ptr++ = - *src_ptr++;
++		  *dst_ptr++ = *src_ptr++;
++		}
+ 	      }
+-	      /* For odd row, negate every even column. */
+-	      for (j = 0; j < DCTSIZE; j += 2) {
+-		*dst_ptr++ = - *src_ptr++;
+-		*dst_ptr++ = *src_ptr++;
++	    } else {
++	      /* Any remaining right-edge blocks are only mirrored vertically. */
++	      src_ptr = src_row_ptr[x_crop_blocks + dst_blk_x];
++	      for (i = 0; i < DCTSIZE; i += 2) {
++		for (j = 0; j < DCTSIZE; j++)
++		  *dst_ptr++ = *src_ptr++;
++		for (j = 0; j < DCTSIZE; j++)
++		  *dst_ptr++ = - *src_ptr++;
+ 	      }
+ 	    }
+ 	  }
+-	  /* Any remaining right-edge blocks are only mirrored vertically. */
+-	  for (; dst_blk_x < compptr->width_in_blocks; dst_blk_x++) {
+-	    dst_ptr = dst_row_ptr[dst_blk_x];
+-	    src_ptr = src_row_ptr[dst_blk_x];
+-	    for (i = 0; i < DCTSIZE; i += 2) {
+-	      for (j = 0; j < DCTSIZE; j++)
+-		*dst_ptr++ = *src_ptr++;
+-	      for (j = 0; j < DCTSIZE; j++)
+-		*dst_ptr++ = - *src_ptr++;
+-	    }
+-	  }
+ 	} else {
+ 	  /* Remaining rows are just mirrored horizontally. */
+-	  dst_row_ptr = dst_buffer[offset_y];
+ 	  src_row_ptr = src_buffer[offset_y];
+-	  /* Process the blocks that can be mirrored. */
+-	  for (dst_blk_x = 0; dst_blk_x < comp_width; dst_blk_x++) {
+-	    dst_ptr = dst_row_ptr[dst_blk_x];
+-	    src_ptr = src_row_ptr[comp_width - dst_blk_x - 1];
+-	    for (i = 0; i < DCTSIZE2; i += 2) {
+-	      *dst_ptr++ = *src_ptr++;
+-	      *dst_ptr++ = - *src_ptr++;
++	  for (dst_blk_x = 0; dst_blk_x < compptr->width_in_blocks; dst_blk_x++) {
++	    if (x_crop_blocks + dst_blk_x < comp_width) {
++	      /* Process the blocks that can be mirrored. */
++	      dst_ptr = dst_row_ptr[dst_blk_x];
++	      src_ptr = src_row_ptr[comp_width - x_crop_blocks - dst_blk_x - 1];
++	      for (i = 0; i < DCTSIZE2; i += 2) {
++		*dst_ptr++ = *src_ptr++;
++		*dst_ptr++ = - *src_ptr++;
++	      }
++	    } else {
++	      /* Any remaining right-edge blocks are only copied. */
++	      jcopy_block_row(src_row_ptr + dst_blk_x + x_crop_blocks,
++			      dst_row_ptr + dst_blk_x,
++			      (JDIMENSION) 1);
+ 	    }
+ 	  }
+-	  /* Any remaining right-edge blocks are only copied. */
+-	  for (; dst_blk_x < compptr->width_in_blocks; dst_blk_x++) {
+-	    dst_ptr = dst_row_ptr[dst_blk_x];
+-	    src_ptr = src_row_ptr[dst_blk_x];
+-	    for (i = 0; i < DCTSIZE2; i++)
+-	      *dst_ptr++ = *src_ptr++;
+-	  }
+ 	}
+       }
+     }
+@@ -457,6 +644,7 @@ do_rot_180 (j_decompress_ptr srcinfo, j_
+ 
+ LOCAL(void)
+ do_transverse (j_decompress_ptr srcinfo, j_compress_ptr dstinfo,
++	       JDIMENSION x_crop_offset, JDIMENSION y_crop_offset,
+ 	       jvirt_barray_ptr *src_coef_arrays,
+ 	       jvirt_barray_ptr *dst_coef_arrays)
+ /* Transverse transpose is equivalent to
+@@ -470,18 +658,23 @@ do_transverse (j_decompress_ptr srcinfo,
+  */
+ {
+   JDIMENSION MCU_cols, MCU_rows, comp_width, comp_height, dst_blk_x, dst_blk_y;
++  JDIMENSION x_crop_blocks, y_crop_blocks;
+   int ci, i, j, offset_x, offset_y;
+   JBLOCKARRAY src_buffer, dst_buffer;
+   JCOEFPTR src_ptr, dst_ptr;
+   jpeg_component_info *compptr;
+ 
+-  MCU_cols = dstinfo->image_width / (dstinfo->max_h_samp_factor * DCTSIZE);
+-  MCU_rows = dstinfo->image_height / (dstinfo->max_v_samp_factor * DCTSIZE);
++  MCU_cols = srcinfo->output_height /
++    (dstinfo->max_h_samp_factor * dstinfo_min_DCT_h_scaled_size);
++  MCU_rows = srcinfo->output_width /
++    (dstinfo->max_v_samp_factor * dstinfo_min_DCT_v_scaled_size);
+ 
+   for (ci = 0; ci < dstinfo->num_components; ci++) {
+     compptr = dstinfo->comp_info + ci;
+     comp_width = MCU_cols * compptr->h_samp_factor;
+     comp_height = MCU_rows * compptr->v_samp_factor;
++    x_crop_blocks = x_crop_offset * compptr->h_samp_factor;
++    y_crop_blocks = y_crop_offset * compptr->v_samp_factor;
+     for (dst_blk_y = 0; dst_blk_y < compptr->height_in_blocks;
+ 	 dst_blk_y += compptr->v_samp_factor) {
+       dst_buffer = (*srcinfo->mem->access_virt_barray)
+@@ -490,17 +683,26 @@ do_transverse (j_decompress_ptr srcinfo,
+       for (offset_y = 0; offset_y < compptr->v_samp_factor; offset_y++) {
+ 	for (dst_blk_x = 0; dst_blk_x < compptr->width_in_blocks;
+ 	     dst_blk_x += compptr->h_samp_factor) {
+-	  src_buffer = (*srcinfo->mem->access_virt_barray)
+-	    ((j_common_ptr) srcinfo, src_coef_arrays[ci], dst_blk_x,
+-	     (JDIMENSION) compptr->h_samp_factor, FALSE);
++	  if (x_crop_blocks + dst_blk_x < comp_width) {
++	    /* Block is within the mirrorable area. */
++	    src_buffer = (*srcinfo->mem->access_virt_barray)
++	      ((j_common_ptr) srcinfo, src_coef_arrays[ci],
++	       comp_width - x_crop_blocks - dst_blk_x -
++	       (JDIMENSION) compptr->h_samp_factor,
++	       (JDIMENSION) compptr->h_samp_factor, FALSE);
++	  } else {
++	    src_buffer = (*srcinfo->mem->access_virt_barray)
++	      ((j_common_ptr) srcinfo, src_coef_arrays[ci],
++	       dst_blk_x + x_crop_blocks,
++	       (JDIMENSION) compptr->h_samp_factor, FALSE);
++	  }
+ 	  for (offset_x = 0; offset_x < compptr->h_samp_factor; offset_x++) {
+-	    if (dst_blk_y < comp_height) {
+-	      src_ptr = src_buffer[offset_x]
+-		[comp_height - dst_blk_y - offset_y - 1];
+-	      if (dst_blk_x < comp_width) {
++	    dst_ptr = dst_buffer[offset_y][dst_blk_x + offset_x];
++	    if (y_crop_blocks + dst_blk_y < comp_height) {
++	      if (x_crop_blocks + dst_blk_x < comp_width) {
+ 		/* Block is within the mirrorable area. */
+-		dst_ptr = dst_buffer[offset_y]
+-		  [comp_width - dst_blk_x - offset_x - 1];
++		src_ptr = src_buffer[compptr->h_samp_factor - offset_x - 1]
++		  [comp_height - y_crop_blocks - dst_blk_y - offset_y - 1];
+ 		for (i = 0; i < DCTSIZE; i++) {
+ 		  for (j = 0; j < DCTSIZE; j++) {
+ 		    dst_ptr[j*DCTSIZE+i] = src_ptr[i*DCTSIZE+j];
+@@ -516,7 +718,8 @@ do_transverse (j_decompress_ptr srcinfo,
+ 		}
+ 	      } else {
+ 		/* Right-edge blocks are mirrored in y only */
+-		dst_ptr = dst_buffer[offset_y][dst_blk_x + offset_x];
++		src_ptr = src_buffer[offset_x]
++		  [comp_height - y_crop_blocks - dst_blk_y - offset_y - 1];
+ 		for (i = 0; i < DCTSIZE; i++) {
+ 		  for (j = 0; j < DCTSIZE; j++) {
+ 		    dst_ptr[j*DCTSIZE+i] = src_ptr[i*DCTSIZE+j];
+@@ -526,11 +729,10 @@ do_transverse (j_decompress_ptr srcinfo,
+ 		}
+ 	      }
+ 	    } else {
+-	      src_ptr = src_buffer[offset_x][dst_blk_y + offset_y];
+-	      if (dst_blk_x < comp_width) {
++	      if (x_crop_blocks + dst_blk_x < comp_width) {
+ 		/* Bottom-edge blocks are mirrored in x only */
+-		dst_ptr = dst_buffer[offset_y]
+-		  [comp_width - dst_blk_x - offset_x - 1];
++		src_ptr = src_buffer[compptr->h_samp_factor - offset_x - 1]
++		  [dst_blk_y + offset_y + y_crop_blocks];
+ 		for (i = 0; i < DCTSIZE; i++) {
+ 		  for (j = 0; j < DCTSIZE; j++)
+ 		    dst_ptr[j*DCTSIZE+i] = src_ptr[i*DCTSIZE+j];
+@@ -540,7 +742,8 @@ do_transverse (j_decompress_ptr srcinfo,
+ 		}
+ 	      } else {
+ 		/* At lower right corner, just transpose, no mirroring */
+-		dst_ptr = dst_buffer[offset_y][dst_blk_x + offset_x];
++		src_ptr = src_buffer[offset_x]
++		  [dst_blk_y + offset_y + y_crop_blocks];
+ 		for (i = 0; i < DCTSIZE; i++)
+ 		  for (j = 0; j < DCTSIZE; j++)
+ 		    dst_ptr[j*DCTSIZE+i] = src_ptr[i*DCTSIZE+j];
+@@ -554,83 +757,372 @@ do_transverse (j_decompress_ptr srcinfo,
+ }
+ 
+ 
++/* Parse an unsigned integer: subroutine for jtransform_parse_crop_spec.
++ * Returns TRUE if valid integer found, FALSE if not.
++ * *strptr is advanced over the digit string, and *result is set to its value.
++ */
++
++LOCAL(boolean)
++jt_read_integer (const char ** strptr, JDIMENSION * result)
++{
++  const char * ptr = *strptr;
++  JDIMENSION val = 0;
++
++  for (; isdigit(*ptr); ptr++) {
++    val = val * 10 + (JDIMENSION) (*ptr - '0');
++  }
++  *result = val;
++  if (ptr == *strptr)
++    return FALSE;		/* oops, no digits */
++  *strptr = ptr;
++  return TRUE;
++}
++
++
++/* Parse a crop specification (written in X11 geometry style).
++ * The routine returns TRUE if the spec string is valid, FALSE if not.
++ *
++ * The crop spec string should have the format
++ *	<width>[f]x<height>[f]{+-}<xoffset>{+-}<yoffset>
++ * where width, height, xoffset, and yoffset are unsigned integers.
++ * Each of the elements can be omitted to indicate a default value.
++ * (A weakness of this style is that it is not possible to omit xoffset
++ * while specifying yoffset, since they look alike.)
++ *
++ * This code is loosely based on XParseGeometry from the X11 distribution.
++ */
++
++GLOBAL(boolean)
++jtransform_parse_crop_spec (jpeg_transform_info *info, const char *spec)
++{
++  info->crop = FALSE;
++  info->crop_width_set = JCROP_UNSET;
++  info->crop_height_set = JCROP_UNSET;
++  info->crop_xoffset_set = JCROP_UNSET;
++  info->crop_yoffset_set = JCROP_UNSET;
++
++  if (isdigit(*spec)) {
++    /* fetch width */
++    if (! jt_read_integer(&spec, &info->crop_width))
++      return FALSE;
++    if (*spec == 'f' || *spec == 'F') {
++      spec++;
++      info->crop_width_set = JCROP_FORCE;
++    } else
++      info->crop_width_set = JCROP_POS;
++  }
++  if (*spec == 'x' || *spec == 'X') {
++    /* fetch height */
++    spec++;
++    if (! jt_read_integer(&spec, &info->crop_height))
++      return FALSE;
++    if (*spec == 'f' || *spec == 'F') {
++      spec++;
++      info->crop_height_set = JCROP_FORCE;
++    } else
++      info->crop_height_set = JCROP_POS;
++  }
++  if (*spec == '+' || *spec == '-') {
++    /* fetch xoffset */
++    info->crop_xoffset_set = (*spec == '-') ? JCROP_NEG : JCROP_POS;
++    spec++;
++    if (! jt_read_integer(&spec, &info->crop_xoffset))
++      return FALSE;
++  }
++  if (*spec == '+' || *spec == '-') {
++    /* fetch yoffset */
++    info->crop_yoffset_set = (*spec == '-') ? JCROP_NEG : JCROP_POS;
++    spec++;
++    if (! jt_read_integer(&spec, &info->crop_yoffset))
++      return FALSE;
++  }
++  /* We had better have gotten to the end of the string. */
++  if (*spec != '\0')
++    return FALSE;
++  info->crop = TRUE;
++  return TRUE;
++}
++
++
++/* Trim off any partial iMCUs on the indicated destination edge */
++
++LOCAL(void)
++trim_right_edge (jpeg_transform_info *info, JDIMENSION full_width)
++{
++  JDIMENSION MCU_cols;
++
++  MCU_cols = info->output_width / info->iMCU_sample_width;
++  if (MCU_cols > 0 && info->x_crop_offset + MCU_cols ==
++      full_width / info->iMCU_sample_width)
++    info->output_width = MCU_cols * info->iMCU_sample_width;
++}
++
++LOCAL(void)
++trim_bottom_edge (jpeg_transform_info *info, JDIMENSION full_height)
++{
++  JDIMENSION MCU_rows;
++
++  MCU_rows = info->output_height / info->iMCU_sample_height;
++  if (MCU_rows > 0 && info->y_crop_offset + MCU_rows ==
++      full_height / info->iMCU_sample_height)
++    info->output_height = MCU_rows * info->iMCU_sample_height;
++}
++
++
+ /* Request any required workspace.
+  *
++ * This routine figures out the size that the output image will be
++ * (which implies that all the transform parameters must be set before
++ * it is called).
++ *
+  * We allocate the workspace virtual arrays from the source decompression
+  * object, so that all the arrays (both the original data and the workspace)
+  * will be taken into account while making memory management decisions.
+  * Hence, this routine must be called after jpeg_read_header (which reads
+  * the image dimensions) and before jpeg_read_coefficients (which realizes
+  * the source's virtual arrays).
++ *
++ * This function returns FALSE right away if -perfect is given
++ * and transformation is not perfect.  Otherwise returns TRUE.
+  */
+ 
+-GLOBAL(void)
++GLOBAL(boolean)
+ jtransform_request_workspace (j_decompress_ptr srcinfo,
+ 			      jpeg_transform_info *info)
+ {
+-  jvirt_barray_ptr *coef_arrays = NULL;
++  jvirt_barray_ptr *coef_arrays;
++  boolean need_workspace, transpose_it;
+   jpeg_component_info *compptr;
+-  int ci;
++  JDIMENSION xoffset, yoffset;
++  JDIMENSION width_in_iMCUs, height_in_iMCUs;
++  JDIMENSION width_in_blocks, height_in_blocks;
++  int ci, h_samp_factor, v_samp_factor;
+ 
++  /* Determine number of components in output image */
+   if (info->force_grayscale &&
+       srcinfo->jpeg_color_space == JCS_YCbCr &&
+-      srcinfo->num_components == 3) {
++      srcinfo->num_components == 3)
+     /* We'll only process the first component */
+     info->num_components = 1;
+-  } else {
++  else
+     /* Process all the components */
+     info->num_components = srcinfo->num_components;
++
++  /* Compute output image dimensions and related values. */
++#if JPEG_LIB_VERSION >= 80
++  jpeg_core_output_dimensions(srcinfo);
++#else
++  srcinfo->output_width = srcinfo->image_width;
++  srcinfo->output_height = srcinfo->image_height;
++#endif
++
++  /* Return right away if -perfect is given and transformation is not perfect.
++   */
++  if (info->perfect) {
++    if (info->num_components == 1) {
++      if (!jtransform_perfect_transform(srcinfo->output_width,
++	  srcinfo->output_height,
++	  srcinfo->_min_DCT_h_scaled_size,
++	  srcinfo->_min_DCT_v_scaled_size,
++	  info->transform))
++	return FALSE;
++    } else {
++      if (!jtransform_perfect_transform(srcinfo->output_width,
++	  srcinfo->output_height,
++	  srcinfo->max_h_samp_factor * srcinfo->_min_DCT_h_scaled_size,
++	  srcinfo->max_v_samp_factor * srcinfo->_min_DCT_v_scaled_size,
++	  info->transform))
++	return FALSE;
++    }
++  }
++
++  /* If there is only one output component, force the iMCU size to be 1;
++   * else use the source iMCU size.  (This allows us to do the right thing
++   * when reducing color to grayscale, and also provides a handy way of
++   * cleaning up "funny" grayscale images whose sampling factors are not 1x1.)
++   */
++  switch (info->transform) {
++  case JXFORM_TRANSPOSE:
++  case JXFORM_TRANSVERSE:
++  case JXFORM_ROT_90:
++  case JXFORM_ROT_270:
++    info->output_width = srcinfo->output_height;
++    info->output_height = srcinfo->output_width;
++    if (info->num_components == 1) {
++      info->iMCU_sample_width = srcinfo->_min_DCT_v_scaled_size;
++      info->iMCU_sample_height = srcinfo->_min_DCT_h_scaled_size;
++    } else {
++      info->iMCU_sample_width =
++	srcinfo->max_v_samp_factor * srcinfo->_min_DCT_v_scaled_size;
++      info->iMCU_sample_height =
++	srcinfo->max_h_samp_factor * srcinfo->_min_DCT_h_scaled_size;
++    }
++    break;
++  default:
++    info->output_width = srcinfo->output_width;
++    info->output_height = srcinfo->output_height;
++    if (info->num_components == 1) {
++      info->iMCU_sample_width = srcinfo->_min_DCT_h_scaled_size;
++      info->iMCU_sample_height = srcinfo->_min_DCT_v_scaled_size;
++    } else {
++      info->iMCU_sample_width =
++	srcinfo->max_h_samp_factor * srcinfo->_min_DCT_h_scaled_size;
++      info->iMCU_sample_height =
++	srcinfo->max_v_samp_factor * srcinfo->_min_DCT_v_scaled_size;
++    }
++    break;
+   }
+ 
++  /* If cropping has been requested, compute the crop area's position and
++   * dimensions, ensuring that its upper left corner falls at an iMCU boundary.
++   */
++  if (info->crop) {
++    /* Insert default values for unset crop parameters */
++    if (info->crop_xoffset_set == JCROP_UNSET)
++      info->crop_xoffset = 0;	/* default to +0 */
++    if (info->crop_yoffset_set == JCROP_UNSET)
++      info->crop_yoffset = 0;	/* default to +0 */
++    if (info->crop_xoffset >= info->output_width ||
++	info->crop_yoffset >= info->output_height)
++      ERREXIT(srcinfo, JERR_BAD_CROP_SPEC);
++    if (info->crop_width_set == JCROP_UNSET)
++      info->crop_width = info->output_width - info->crop_xoffset;
++    if (info->crop_height_set == JCROP_UNSET)
++      info->crop_height = info->output_height - info->crop_yoffset;
++    /* Ensure parameters are valid */
++    if (info->crop_width <= 0 || info->crop_width > info->output_width ||
++	info->crop_height <= 0 || info->crop_height > info->output_height ||
++	info->crop_xoffset > info->output_width - info->crop_width ||
++	info->crop_yoffset > info->output_height - info->crop_height)
++      ERREXIT(srcinfo, JERR_BAD_CROP_SPEC);
++    /* Convert negative crop offsets into regular offsets */
++    if (info->crop_xoffset_set == JCROP_NEG)
++      xoffset = info->output_width - info->crop_width - info->crop_xoffset;
++    else
++      xoffset = info->crop_xoffset;
++    if (info->crop_yoffset_set == JCROP_NEG)
++      yoffset = info->output_height - info->crop_height - info->crop_yoffset;
++    else
++      yoffset = info->crop_yoffset;
++    /* Now adjust so that upper left corner falls at an iMCU boundary */
++    if (info->crop_width_set == JCROP_FORCE)
++      info->output_width = info->crop_width;
++    else
++      info->output_width =
++        info->crop_width + (xoffset % info->iMCU_sample_width);
++    if (info->crop_height_set == JCROP_FORCE)
++      info->output_height = info->crop_height;
++    else
++      info->output_height =
++        info->crop_height + (yoffset % info->iMCU_sample_height);
++    /* Save x/y offsets measured in iMCUs */
++    info->x_crop_offset = xoffset / info->iMCU_sample_width;
++    info->y_crop_offset = yoffset / info->iMCU_sample_height;
++  } else {
++    info->x_crop_offset = 0;
++    info->y_crop_offset = 0;
++  }
++
++  /* Figure out whether we need workspace arrays,
++   * and if so whether they are transposed relative to the source.
++   */
++  need_workspace = FALSE;
++  transpose_it = FALSE;
+   switch (info->transform) {
+   case JXFORM_NONE:
++    if (info->x_crop_offset != 0 || info->y_crop_offset != 0)
++      need_workspace = TRUE;
++    /* No workspace needed if neither cropping nor transforming */
++    break;
+   case JXFORM_FLIP_H:
+-    /* Don't need a workspace array */
++    if (info->trim)
++      trim_right_edge(info, srcinfo->output_width);
++    if (info->y_crop_offset != 0 || info->slow_hflip)
++      need_workspace = TRUE;
++    /* do_flip_h_no_crop doesn't need a workspace array */
+     break;
+   case JXFORM_FLIP_V:
+-  case JXFORM_ROT_180:
+-    /* Need workspace arrays having same dimensions as source image.
+-     * Note that we allocate arrays padded out to the next iMCU boundary,
+-     * so that transform routines need not worry about missing edge blocks.
+-     */
+-    coef_arrays = (jvirt_barray_ptr *)
+-      (*srcinfo->mem->alloc_small) ((j_common_ptr) srcinfo, JPOOL_IMAGE,
+-	SIZEOF(jvirt_barray_ptr) * info->num_components);
+-    for (ci = 0; ci < info->num_components; ci++) {
+-      compptr = srcinfo->comp_info + ci;
+-      coef_arrays[ci] = (*srcinfo->mem->request_virt_barray)
+-	((j_common_ptr) srcinfo, JPOOL_IMAGE, FALSE,
+-	 (JDIMENSION) jround_up((long) compptr->width_in_blocks,
+-				(long) compptr->h_samp_factor),
+-	 (JDIMENSION) jround_up((long) compptr->height_in_blocks,
+-				(long) compptr->v_samp_factor),
+-	 (JDIMENSION) compptr->v_samp_factor);
+-    }
++    if (info->trim)
++      trim_bottom_edge(info, srcinfo->output_height);
++    /* Need workspace arrays having same dimensions as source image. */
++    need_workspace = TRUE;
+     break;
+   case JXFORM_TRANSPOSE:
++    /* transpose does NOT have to trim anything */
++    /* Need workspace arrays having transposed dimensions. */
++    need_workspace = TRUE;
++    transpose_it = TRUE;
++    break;
+   case JXFORM_TRANSVERSE:
++    if (info->trim) {
++      trim_right_edge(info, srcinfo->output_height);
++      trim_bottom_edge(info, srcinfo->output_width);
++    }
++    /* Need workspace arrays having transposed dimensions. */
++    need_workspace = TRUE;
++    transpose_it = TRUE;
++    break;
+   case JXFORM_ROT_90:
++    if (info->trim)
++      trim_right_edge(info, srcinfo->output_height);
++    /* Need workspace arrays having transposed dimensions. */
++    need_workspace = TRUE;
++    transpose_it = TRUE;
++    break;
++  case JXFORM_ROT_180:
++    if (info->trim) {
++      trim_right_edge(info, srcinfo->output_width);
++      trim_bottom_edge(info, srcinfo->output_height);
++    }
++    /* Need workspace arrays having same dimensions as source image. */
++    need_workspace = TRUE;
++    break;
+   case JXFORM_ROT_270:
+-    /* Need workspace arrays having transposed dimensions.
+-     * Note that we allocate arrays padded out to the next iMCU boundary,
+-     * so that transform routines need not worry about missing edge blocks.
+-     */
++    if (info->trim)
++      trim_bottom_edge(info, srcinfo->output_width);
++    /* Need workspace arrays having transposed dimensions. */
++    need_workspace = TRUE;
++    transpose_it = TRUE;
++    break;
++  }
++
++  /* Allocate workspace if needed.
++   * Note that we allocate arrays padded out to the next iMCU boundary,
++   * so that transform routines need not worry about missing edge blocks.
++   */
++  if (need_workspace) {
+     coef_arrays = (jvirt_barray_ptr *)
+       (*srcinfo->mem->alloc_small) ((j_common_ptr) srcinfo, JPOOL_IMAGE,
+-	SIZEOF(jvirt_barray_ptr) * info->num_components);
++		SIZEOF(jvirt_barray_ptr) * info->num_components);
++    width_in_iMCUs = (JDIMENSION)
++      jdiv_round_up((long) info->output_width,
++		    (long) info->iMCU_sample_width);
++    height_in_iMCUs = (JDIMENSION)
++      jdiv_round_up((long) info->output_height,
++		    (long) info->iMCU_sample_height);
+     for (ci = 0; ci < info->num_components; ci++) {
+       compptr = srcinfo->comp_info + ci;
++      if (info->num_components == 1) {
++	/* we're going to force samp factors to 1x1 in this case */
++	h_samp_factor = v_samp_factor = 1;
++      } else if (transpose_it) {
++	h_samp_factor = compptr->v_samp_factor;
++	v_samp_factor = compptr->h_samp_factor;
++      } else {
++	h_samp_factor = compptr->h_samp_factor;
++	v_samp_factor = compptr->v_samp_factor;
++      }
++      width_in_blocks = width_in_iMCUs * h_samp_factor;
++      height_in_blocks = height_in_iMCUs * v_samp_factor;
+       coef_arrays[ci] = (*srcinfo->mem->request_virt_barray)
+ 	((j_common_ptr) srcinfo, JPOOL_IMAGE, FALSE,
+-	 (JDIMENSION) jround_up((long) compptr->height_in_blocks,
+-				(long) compptr->v_samp_factor),
+-	 (JDIMENSION) jround_up((long) compptr->width_in_blocks,
+-				(long) compptr->h_samp_factor),
+-	 (JDIMENSION) compptr->h_samp_factor);
++	 width_in_blocks, height_in_blocks, (JDIMENSION) v_samp_factor);
+     }
+-    break;
+-  }
+-  info->workspace_coef_arrays = coef_arrays;
++    info->workspace_coef_arrays = coef_arrays;
++  } else
++    info->workspace_coef_arrays = NULL;
++
++  return TRUE;
+ }
+ 
+ 
+@@ -642,13 +1134,18 @@ transpose_critical_parameters (j_compres
+   int tblno, i, j, ci, itemp;
+   jpeg_component_info *compptr;
+   JQUANT_TBL *qtblptr;
+-  JDIMENSION dtemp;
++  JDIMENSION jtemp;
+   UINT16 qtemp;
+ 
+-  /* Transpose basic image dimensions */
+-  dtemp = dstinfo->image_width;
++  /* Transpose image dimensions */
++  jtemp = dstinfo->image_width;
+   dstinfo->image_width = dstinfo->image_height;
+-  dstinfo->image_height = dtemp;
++  dstinfo->image_height = jtemp;
++#if JPEG_LIB_VERSION >= 70
++  itemp = dstinfo->min_DCT_h_scaled_size;
++  dstinfo->min_DCT_h_scaled_size = dstinfo->min_DCT_v_scaled_size;
++  dstinfo->min_DCT_v_scaled_size = itemp;
++#endif
+ 
+   /* Transpose sampling factors */
+   for (ci = 0; ci < dstinfo->num_components; ci++) {
+@@ -674,47 +1171,162 @@ transpose_critical_parameters (j_compres
+ }
+ 
+ 
+-/* Trim off any partial iMCUs on the indicated destination edge */
++/* Adjust Exif image parameters.
++ *
++ * We try to adjust the Tags ExifImageWidth and ExifImageHeight if possible.
++ */
+ 
++#if JPEG_LIB_VERSION >= 70
+ LOCAL(void)
+-trim_right_edge (j_compress_ptr dstinfo)
++adjust_exif_parameters (JOCTET FAR * data, unsigned int length,
++			JDIMENSION new_width, JDIMENSION new_height)
+ {
+-  int ci, max_h_samp_factor;
+-  JDIMENSION MCU_cols;
++  boolean is_motorola; /* Flag for byte order */
++  unsigned int number_of_tags, tagnum;
++  unsigned int firstoffset, offset;
++  JDIMENSION new_value;
++
++  if (length < 12) return; /* Length of an IFD entry */
++
++  /* Discover byte order */
++  if (GETJOCTET(data[0]) == 0x49 && GETJOCTET(data[1]) == 0x49)
++    is_motorola = FALSE;
++  else if (GETJOCTET(data[0]) == 0x4D && GETJOCTET(data[1]) == 0x4D)
++    is_motorola = TRUE;
++  else
++    return;
++
++  /* Check Tag Mark */
++  if (is_motorola) {
++    if (GETJOCTET(data[2]) != 0) return;
++    if (GETJOCTET(data[3]) != 0x2A) return;
++  } else {
++    if (GETJOCTET(data[3]) != 0) return;
++    if (GETJOCTET(data[2]) != 0x2A) return;
++  }
+ 
+-  /* We have to compute max_h_samp_factor ourselves,
+-   * because it hasn't been set yet in the destination
+-   * (and we don't want to use the source's value).
+-   */
+-  max_h_samp_factor = 1;
+-  for (ci = 0; ci < dstinfo->num_components; ci++) {
+-    int h_samp_factor = dstinfo->comp_info[ci].h_samp_factor;
+-    max_h_samp_factor = MAX(max_h_samp_factor, h_samp_factor);
++  /* Get first IFD offset (offset to IFD0) */
++  if (is_motorola) {
++    if (GETJOCTET(data[4]) != 0) return;
++    if (GETJOCTET(data[5]) != 0) return;
++    firstoffset = GETJOCTET(data[6]);
++    firstoffset <<= 8;
++    firstoffset += GETJOCTET(data[7]);
++  } else {
++    if (GETJOCTET(data[7]) != 0) return;
++    if (GETJOCTET(data[6]) != 0) return;
++    firstoffset = GETJOCTET(data[5]);
++    firstoffset <<= 8;
++    firstoffset += GETJOCTET(data[4]);
+   }
+-  MCU_cols = dstinfo->image_width / (max_h_samp_factor * DCTSIZE);
+-  if (MCU_cols > 0)		/* can't trim to 0 pixels */
+-    dstinfo->image_width = MCU_cols * (max_h_samp_factor * DCTSIZE);
+-}
++  if (firstoffset > length - 2) return; /* check end of data segment */
+ 
+-LOCAL(void)
+-trim_bottom_edge (j_compress_ptr dstinfo)
+-{
+-  int ci, max_v_samp_factor;
+-  JDIMENSION MCU_rows;
++  /* Get the number of directory entries contained in this IFD */
++  if (is_motorola) {
++    number_of_tags = GETJOCTET(data[firstoffset]);
++    number_of_tags <<= 8;
++    number_of_tags += GETJOCTET(data[firstoffset+1]);
++  } else {
++    number_of_tags = GETJOCTET(data[firstoffset+1]);
++    number_of_tags <<= 8;
++    number_of_tags += GETJOCTET(data[firstoffset]);
++  }
++  if (number_of_tags == 0) return;
++  firstoffset += 2;
+ 
+-  /* We have to compute max_v_samp_factor ourselves,
+-   * because it hasn't been set yet in the destination
+-   * (and we don't want to use the source's value).
+-   */
+-  max_v_samp_factor = 1;
+-  for (ci = 0; ci < dstinfo->num_components; ci++) {
+-    int v_samp_factor = dstinfo->comp_info[ci].v_samp_factor;
+-    max_v_samp_factor = MAX(max_v_samp_factor, v_samp_factor);
++  /* Search for ExifSubIFD offset Tag in IFD0 */
++  for (;;) {
++    if (firstoffset > length - 12) return; /* check end of data segment */
++    /* Get Tag number */
++    if (is_motorola) {
++      tagnum = GETJOCTET(data[firstoffset]);
++      tagnum <<= 8;
++      tagnum += GETJOCTET(data[firstoffset+1]);
++    } else {
++      tagnum = GETJOCTET(data[firstoffset+1]);
++      tagnum <<= 8;
++      tagnum += GETJOCTET(data[firstoffset]);
++    }
++    if (tagnum == 0x8769) break; /* found ExifSubIFD offset Tag */
++    if (--number_of_tags == 0) return;
++    firstoffset += 12;
++  }
++
++  /* Get the ExifSubIFD offset */
++  if (is_motorola) {
++    if (GETJOCTET(data[firstoffset+8]) != 0) return;
++    if (GETJOCTET(data[firstoffset+9]) != 0) return;
++    offset = GETJOCTET(data[firstoffset+10]);
++    offset <<= 8;
++    offset += GETJOCTET(data[firstoffset+11]);
++  } else {
++    if (GETJOCTET(data[firstoffset+11]) != 0) return;
++    if (GETJOCTET(data[firstoffset+10]) != 0) return;
++    offset = GETJOCTET(data[firstoffset+9]);
++    offset <<= 8;
++    offset += GETJOCTET(data[firstoffset+8]);
++  }
++  if (offset > length - 2) return; /* check end of data segment */
++
++  /* Get the number of directory entries contained in this SubIFD */
++  if (is_motorola) {
++    number_of_tags = GETJOCTET(data[offset]);
++    number_of_tags <<= 8;
++    number_of_tags += GETJOCTET(data[offset+1]);
++  } else {
++    number_of_tags = GETJOCTET(data[offset+1]);
++    number_of_tags <<= 8;
++    number_of_tags += GETJOCTET(data[offset]);
+   }
+-  MCU_rows = dstinfo->image_height / (max_v_samp_factor * DCTSIZE);
+-  if (MCU_rows > 0)		/* can't trim to 0 pixels */
+-    dstinfo->image_height = MCU_rows * (max_v_samp_factor * DCTSIZE);
++  if (number_of_tags < 2) return;
++  offset += 2;
++
++  /* Search for ExifImageWidth and ExifImageHeight Tags in this SubIFD */
++  do {
++    if (offset > length - 12) return; /* check end of data segment */
++    /* Get Tag number */
++    if (is_motorola) {
++      tagnum = GETJOCTET(data[offset]);
++      tagnum <<= 8;
++      tagnum += GETJOCTET(data[offset+1]);
++    } else {
++      tagnum = GETJOCTET(data[offset+1]);
++      tagnum <<= 8;
++      tagnum += GETJOCTET(data[offset]);
++    }
++    if (tagnum == 0xA002 || tagnum == 0xA003) {
++      if (tagnum == 0xA002)
++	new_value = new_width; /* ExifImageWidth Tag */
++      else
++	new_value = new_height; /* ExifImageHeight Tag */
++      if (is_motorola) {
++	data[offset+2] = 0; /* Format = unsigned long (4 octets) */
++	data[offset+3] = 4;
++	data[offset+4] = 0; /* Number Of Components = 1 */
++	data[offset+5] = 0;
++	data[offset+6] = 0;
++	data[offset+7] = 1;
++	data[offset+8] = 0;
++	data[offset+9] = 0;
++	data[offset+10] = (JOCTET)((new_value >> 8) & 0xFF);
++	data[offset+11] = (JOCTET)(new_value & 0xFF);
++      } else {
++	data[offset+2] = 4; /* Format = unsigned long (4 octets) */
++	data[offset+3] = 0;
++	data[offset+4] = 1; /* Number Of Components = 1 */
++	data[offset+5] = 0;
++	data[offset+6] = 0;
++	data[offset+7] = 0;
++	data[offset+8] = (JOCTET)(new_value & 0xFF);
++	data[offset+9] = (JOCTET)((new_value >> 8) & 0xFF);
++	data[offset+10] = 0;
++	data[offset+11] = 0;
++      }
++    }
++    offset += 12;
++  } while (--number_of_tags);
+ }
++#endif
+ 
+ 
+ /* Adjust output image parameters as needed.
+@@ -736,18 +1348,22 @@ jtransform_adjust_parameters (j_decompre
+ {
+   /* If force-to-grayscale is requested, adjust destination parameters */
+   if (info->force_grayscale) {
+-    /* We use jpeg_set_colorspace to make sure subsidiary settings get fixed
+-     * properly.  Among other things, the target h_samp_factor & v_samp_factor
+-     * will get set to 1, which typically won't match the source.
+-     * In fact we do this even if the source is already grayscale; that
+-     * provides an easy way of coercing a grayscale JPEG with funny sampling
+-     * factors to the customary 1,1.  (Some decoders fail on other factors.)
++    /* First, ensure we have YCbCr or grayscale data, and that the source's
++     * Y channel is full resolution.  (No reasonable person would make Y
++     * be less than full resolution, so actually coping with that case
++     * isn't worth extra code space.  But we check it to avoid crashing.)
+      */
+-    if ((dstinfo->jpeg_color_space == JCS_YCbCr &&
+-	 dstinfo->num_components == 3) ||
+-	(dstinfo->jpeg_color_space == JCS_GRAYSCALE &&
+-	 dstinfo->num_components == 1)) {
+-      /* We have to preserve the source's quantization table number. */
++    if (((dstinfo->jpeg_color_space == JCS_YCbCr &&
++	  dstinfo->num_components == 3) ||
++	 (dstinfo->jpeg_color_space == JCS_GRAYSCALE &&
++	  dstinfo->num_components == 1)) &&
++	srcinfo->comp_info[0].h_samp_factor == srcinfo->max_h_samp_factor &&
++	srcinfo->comp_info[0].v_samp_factor == srcinfo->max_v_samp_factor) {
++      /* We use jpeg_set_colorspace to make sure subsidiary settings get fixed
++       * properly.  Among other things, it sets the target h_samp_factor &
++       * v_samp_factor to 1, which typically won't match the source.
++       * We have to preserve the source's quantization table number, however.
++       */
+       int sv_quant_tbl_no = dstinfo->comp_info[0].quant_tbl_no;
+       jpeg_set_colorspace(dstinfo, JCS_GRAYSCALE);
+       dstinfo->comp_info[0].quant_tbl_no = sv_quant_tbl_no;
+@@ -755,50 +1371,66 @@ jtransform_adjust_parameters (j_decompre
+       /* Sorry, can't do it */
+       ERREXIT(dstinfo, JERR_CONVERSION_NOTIMPL);
+     }
++  } else if (info->num_components == 1) {
++    /* For a single-component source, we force the destination sampling factors
++     * to 1x1, with or without force_grayscale.  This is useful because some
++     * decoders choke on grayscale images with other sampling factors.
++     */
++    dstinfo->comp_info[0].h_samp_factor = 1;
++    dstinfo->comp_info[0].v_samp_factor = 1;
+   }
+ 
+-  /* Correct the destination's image dimensions etc if necessary */
++  /* Correct the destination's image dimensions as necessary
++   * for rotate/flip, resize, and crop operations.
++   */
++#if JPEG_LIB_VERSION >= 70
++  dstinfo->jpeg_width = info->output_width;
++  dstinfo->jpeg_height = info->output_height;
++#endif
++
++  /* Transpose destination image parameters */
+   switch (info->transform) {
+-  case JXFORM_NONE:
+-    /* Nothing to do */
+-    break;
+-  case JXFORM_FLIP_H:
+-    if (info->trim)
+-      trim_right_edge(dstinfo);
+-    break;
+-  case JXFORM_FLIP_V:
+-    if (info->trim)
+-      trim_bottom_edge(dstinfo);
+-    break;
+   case JXFORM_TRANSPOSE:
+-    transpose_critical_parameters(dstinfo);
+-    /* transpose does NOT have to trim anything */
+-    break;
+   case JXFORM_TRANSVERSE:
+-    transpose_critical_parameters(dstinfo);
+-    if (info->trim) {
+-      trim_right_edge(dstinfo);
+-      trim_bottom_edge(dstinfo);
+-    }
+-    break;
+   case JXFORM_ROT_90:
+-    transpose_critical_parameters(dstinfo);
+-    if (info->trim)
+-      trim_right_edge(dstinfo);
+-    break;
+-  case JXFORM_ROT_180:
+-    if (info->trim) {
+-      trim_right_edge(dstinfo);
+-      trim_bottom_edge(dstinfo);
+-    }
+-    break;
+   case JXFORM_ROT_270:
++#if JPEG_LIB_VERSION < 70
++    dstinfo->image_width = info->output_height;
++    dstinfo->image_height = info->output_width;
++#endif
+     transpose_critical_parameters(dstinfo);
+-    if (info->trim)
+-      trim_bottom_edge(dstinfo);
++    break;
++  default:
++#if JPEG_LIB_VERSION < 70
++    dstinfo->image_width = info->output_width;
++    dstinfo->image_height = info->output_height;
++#endif
+     break;
+   }
+ 
++  /* Adjust Exif properties */
++  if (srcinfo->marker_list != NULL &&
++      srcinfo->marker_list->marker == JPEG_APP0+1 &&
++      srcinfo->marker_list->data_length >= 6 &&
++      GETJOCTET(srcinfo->marker_list->data[0]) == 0x45 &&
++      GETJOCTET(srcinfo->marker_list->data[1]) == 0x78 &&
++      GETJOCTET(srcinfo->marker_list->data[2]) == 0x69 &&
++      GETJOCTET(srcinfo->marker_list->data[3]) == 0x66 &&
++      GETJOCTET(srcinfo->marker_list->data[4]) == 0 &&
++      GETJOCTET(srcinfo->marker_list->data[5]) == 0) {
++    /* Suppress output of JFIF marker */
++    dstinfo->write_JFIF_header = FALSE;
++#if JPEG_LIB_VERSION >= 70
++    /* Adjust Exif image parameters */
++    if (dstinfo->jpeg_width != srcinfo->image_width ||
++	dstinfo->jpeg_height != srcinfo->image_height)
++      /* Align data segment to start of TIFF structure for parsing */
++      adjust_exif_parameters(srcinfo->marker_list->data + 6,
++	srcinfo->marker_list->data_length - 6,
++	dstinfo->jpeg_width, dstinfo->jpeg_height);
++#endif
++  }
++
+   /* Return the appropriate output data set */
+   if (info->workspace_coef_arrays != NULL)
+     return info->workspace_coef_arrays;
+@@ -816,40 +1448,110 @@ jtransform_adjust_parameters (j_decompre
+  */
+ 
+ GLOBAL(void)
+-jtransform_execute_transformation (j_decompress_ptr srcinfo,
+-				   j_compress_ptr dstinfo,
+-				   jvirt_barray_ptr *src_coef_arrays,
+-				   jpeg_transform_info *info)
++jtransform_execute_transform (j_decompress_ptr srcinfo,
++			      j_compress_ptr dstinfo,
++			      jvirt_barray_ptr *src_coef_arrays,
++			      jpeg_transform_info *info)
+ {
+   jvirt_barray_ptr *dst_coef_arrays = info->workspace_coef_arrays;
+ 
++  /* Note: conditions tested here should match those in switch statement
++   * in jtransform_request_workspace()
++   */
+   switch (info->transform) {
+   case JXFORM_NONE:
++    if (info->x_crop_offset != 0 || info->y_crop_offset != 0)
++      do_crop(srcinfo, dstinfo, info->x_crop_offset, info->y_crop_offset,
++	      src_coef_arrays, dst_coef_arrays);
+     break;
+   case JXFORM_FLIP_H:
+-    do_flip_h(srcinfo, dstinfo, src_coef_arrays);
++    if (info->y_crop_offset != 0 || info->slow_hflip)
++      do_flip_h(srcinfo, dstinfo, info->x_crop_offset, info->y_crop_offset,
++		src_coef_arrays, dst_coef_arrays);
++    else
++      do_flip_h_no_crop(srcinfo, dstinfo, info->x_crop_offset,
++			src_coef_arrays);
+     break;
+   case JXFORM_FLIP_V:
+-    do_flip_v(srcinfo, dstinfo, src_coef_arrays, dst_coef_arrays);
++    do_flip_v(srcinfo, dstinfo, info->x_crop_offset, info->y_crop_offset,
++	      src_coef_arrays, dst_coef_arrays);
+     break;
+   case JXFORM_TRANSPOSE:
+-    do_transpose(srcinfo, dstinfo, src_coef_arrays, dst_coef_arrays);
++    do_transpose(srcinfo, dstinfo, info->x_crop_offset, info->y_crop_offset,
++		 src_coef_arrays, dst_coef_arrays);
+     break;
+   case JXFORM_TRANSVERSE:
+-    do_transverse(srcinfo, dstinfo, src_coef_arrays, dst_coef_arrays);
++    do_transverse(srcinfo, dstinfo, info->x_crop_offset, info->y_crop_offset,
++		  src_coef_arrays, dst_coef_arrays);
+     break;
+   case JXFORM_ROT_90:
+-    do_rot_90(srcinfo, dstinfo, src_coef_arrays, dst_coef_arrays);
++    do_rot_90(srcinfo, dstinfo, info->x_crop_offset, info->y_crop_offset,
++	      src_coef_arrays, dst_coef_arrays);
+     break;
+   case JXFORM_ROT_180:
+-    do_rot_180(srcinfo, dstinfo, src_coef_arrays, dst_coef_arrays);
++    do_rot_180(srcinfo, dstinfo, info->x_crop_offset, info->y_crop_offset,
++	       src_coef_arrays, dst_coef_arrays);
+     break;
+   case JXFORM_ROT_270:
+-    do_rot_270(srcinfo, dstinfo, src_coef_arrays, dst_coef_arrays);
++    do_rot_270(srcinfo, dstinfo, info->x_crop_offset, info->y_crop_offset,
++	       src_coef_arrays, dst_coef_arrays);
+     break;
+   }
+ }
+ 
++/* jtransform_perfect_transform
++ *
++ * Determine whether lossless transformation is perfectly
++ * possible for a specified image and transformation.
++ *
++ * Inputs:
++ *   image_width, image_height: source image dimensions.
++ *   MCU_width, MCU_height: pixel dimensions of MCU.
++ *   transform: transformation identifier.
++ * Parameter sources from initialized jpeg_struct
++ * (after reading source header):
++ *   image_width = cinfo.image_width
++ *   image_height = cinfo.image_height
++ *   MCU_width = cinfo.max_h_samp_factor * cinfo.block_size
++ *   MCU_height = cinfo.max_v_samp_factor * cinfo.block_size
++ * Result:
++ *   TRUE = perfect transformation possible
++ *   FALSE = perfect transformation not possible
++ *           (may use custom action then)
++ */
++
++GLOBAL(boolean)
++jtransform_perfect_transform(JDIMENSION image_width, JDIMENSION image_height,
++			     int MCU_width, int MCU_height,
++			     JXFORM_CODE transform)
++{
++  boolean result = TRUE; /* initialize TRUE */
++
++  switch (transform) {
++  case JXFORM_FLIP_H:
++  case JXFORM_ROT_270:
++    if (image_width % (JDIMENSION) MCU_width)
++      result = FALSE;
++    break;
++  case JXFORM_FLIP_V:
++  case JXFORM_ROT_90:
++    if (image_height % (JDIMENSION) MCU_height)
++      result = FALSE;
++    break;
++  case JXFORM_TRANSVERSE:
++  case JXFORM_ROT_180:
++    if (image_width % (JDIMENSION) MCU_width)
++      result = FALSE;
++    if (image_height % (JDIMENSION) MCU_height)
++      result = FALSE;
++    break;
++  default:
++    break;
++  }
++
++  return result;
++}
++
+ #endif /* TRANSFORMS_SUPPORTED */
+ 
+ 
+Index: fbida-2.10/jpeg/62/transupp.h
+===================================================================
+--- fbida-2.10.orig/jpeg/62/transupp.h
++++ fbida-2.10/jpeg/62/transupp.h
+@@ -1,7 +1,7 @@
+ /*
+  * transupp.h
+  *
+- * Copyright (C) 1997, Thomas G. Lane.
++ * Copyright (C) 1997-2011, Thomas G. Lane, Guido Vollbeding.
+  * This file is part of the Independent JPEG Group's software.
+  * For conditions of distribution and use, see the accompanying README file.
+  *
+@@ -22,32 +22,6 @@
+ #define TRANSFORMS_SUPPORTED 1		/* 0 disables transform code */
+ #endif
+ 
+-/* Short forms of external names for systems with brain-damaged linkers. */
+-
+-#ifdef NEED_SHORT_EXTERNAL_NAMES
+-#define jtransform_request_workspace		jTrRequest
+-#define jtransform_adjust_parameters		jTrAdjust
+-#define jtransform_execute_transformation	jTrExec
+-#define jcopy_markers_setup			jCMrkSetup
+-#define jcopy_markers_execute			jCMrkExec
+-#endif /* NEED_SHORT_EXTERNAL_NAMES */
+-
+-
+-/*
+- * Codes for supported types of image transformations.
+- */
+-
+-typedef enum {
+-	JXFORM_NONE,		/* no transformation */
+-	JXFORM_FLIP_H,		/* horizontal flip */
+-	JXFORM_FLIP_V,		/* vertical flip */
+-	JXFORM_TRANSPOSE,	/* transpose across UL-to-LR axis */
+-	JXFORM_TRANSVERSE,	/* transpose across UR-to-LL axis */
+-	JXFORM_ROT_90,		/* 90-degree clockwise rotation */
+-	JXFORM_ROT_180,		/* 180-degree rotation */
+-	JXFORM_ROT_270		/* 270-degree clockwise (or 90 ccw) */
+-} JXFORM_CODE;
+-
+ /*
+  * Although rotating and flipping data expressed as DCT coefficients is not
+  * hard, there is an asymmetry in the JPEG format specification for images
+@@ -75,6 +49,25 @@ typedef enum {
+  * (For example, -rot 270 -trim trims only the bottom edge, but -rot 90 -trim
+  * followed by -rot 180 -trim trims both edges.)
+  *
++ * We also offer a lossless-crop option, which discards data outside a given
++ * image region but losslessly preserves what is inside.  Like the rotate and
++ * flip transforms, lossless crop is restricted by the JPEG format: the upper
++ * left corner of the selected region must fall on an iMCU boundary.  If this
++ * does not hold for the given crop parameters, we silently move the upper left
++ * corner up and/or left to make it so, simultaneously increasing the region
++ * dimensions to keep the lower right crop corner unchanged.  (Thus, the
++ * output image covers at least the requested region, but may cover more.)
++ * The adjustment of the region dimensions may be optionally disabled.
++ *
++ * We also provide a lossless-resize option, which is kind of a lossless-crop
++ * operation in the DCT coefficient block domain - it discards higher-order
++ * coefficients and losslessly preserves lower-order coefficients of a
++ * sub-block.
++ *
++ * Rotate/flip transform, resize, and crop can be requested together in a
++ * single invocation.  The crop is applied last --- that is, the crop region
++ * is specified in terms of the destination image after transform/resize.
++ *
+  * We also offer a "force to grayscale" option, which simply discards the
+  * chrominance channels of a YCbCr image.  This is lossless in the sense that
+  * the luminance channel is preserved exactly.  It's not the same kind of
+@@ -83,22 +76,100 @@ typedef enum {
+  * be aware of the option to know how many components to work on.
+  */
+ 
++
++/* Short forms of external names for systems with brain-damaged linkers. */
++
++#ifdef NEED_SHORT_EXTERNAL_NAMES
++#define jtransform_parse_crop_spec	jTrParCrop
++#define jtransform_request_workspace	jTrRequest
++#define jtransform_adjust_parameters	jTrAdjust
++#define jtransform_execute_transform	jTrExec
++#define jtransform_perfect_transform	jTrPerfect
++#define jcopy_markers_setup		jCMrkSetup
++#define jcopy_markers_execute		jCMrkExec
++#endif /* NEED_SHORT_EXTERNAL_NAMES */
++
++
++/*
++ * Codes for supported types of image transformations.
++ */
++
++typedef enum {
++	JXFORM_NONE,		/* no transformation */
++	JXFORM_FLIP_H,		/* horizontal flip */
++	JXFORM_FLIP_V,		/* vertical flip */
++	JXFORM_TRANSPOSE,	/* transpose across UL-to-LR axis */
++	JXFORM_TRANSVERSE,	/* transpose across UR-to-LL axis */
++	JXFORM_ROT_90,		/* 90-degree clockwise rotation */
++	JXFORM_ROT_180,		/* 180-degree rotation */
++	JXFORM_ROT_270		/* 270-degree clockwise (or 90 ccw) */
++} JXFORM_CODE;
++
++/*
++ * Codes for crop parameters, which can individually be unspecified,
++ * positive or negative for xoffset or yoffset,
++ * positive or forced for width or height.
++ */
++
++typedef enum {
++        JCROP_UNSET,
++        JCROP_POS,
++        JCROP_NEG,
++        JCROP_FORCE
++} JCROP_CODE;
++
++/*
++ * Transform parameters struct.
++ * NB: application must not change any elements of this struct after
++ * calling jtransform_request_workspace.
++ */
++
+ typedef struct {
+   /* Options: set by caller */
+   JXFORM_CODE transform;	/* image transform operator */
++  boolean perfect;		/* if TRUE, fail if partial MCUs are requested */
+   boolean trim;			/* if TRUE, trim partial MCUs as needed */
+   boolean force_grayscale;	/* if TRUE, convert color image to grayscale */
++  boolean crop;			/* if TRUE, crop source image */
++  boolean slow_hflip;  /* For best performance, the JXFORM_FLIP_H transform
++                          normally modifies the source coefficients in place.
++                          Setting this to TRUE will instead use a slower,
++                          double-buffered algorithm, which leaves the source
++                          coefficients in tact (necessary if other transformed
++                          images must be generated from the same set of
++                          coefficients. */
++
++  /* Crop parameters: application need not set these unless crop is TRUE.
++   * These can be filled in by jtransform_parse_crop_spec().
++   */
++  JDIMENSION crop_width;	/* Width of selected region */
++  JCROP_CODE crop_width_set;	/* (forced disables adjustment) */
++  JDIMENSION crop_height;	/* Height of selected region */
++  JCROP_CODE crop_height_set;	/* (forced disables adjustment) */
++  JDIMENSION crop_xoffset;	/* X offset of selected region */
++  JCROP_CODE crop_xoffset_set;	/* (negative measures from right edge) */
++  JDIMENSION crop_yoffset;	/* Y offset of selected region */
++  JCROP_CODE crop_yoffset_set;	/* (negative measures from bottom edge) */
+ 
+   /* Internal workspace: caller should not touch these */
+   int num_components;		/* # of components in workspace */
+   jvirt_barray_ptr * workspace_coef_arrays; /* workspace for transformations */
++  JDIMENSION output_width;	/* cropped destination dimensions */
++  JDIMENSION output_height;
++  JDIMENSION x_crop_offset;	/* destination crop offsets measured in iMCUs */
++  JDIMENSION y_crop_offset;
++  int iMCU_sample_width;	/* destination iMCU size */
++  int iMCU_sample_height;
+ } jpeg_transform_info;
+ 
+ 
+ #if TRANSFORMS_SUPPORTED
+ 
++/* Parse a crop specification (written in X11 geometry style) */
++EXTERN(boolean) jtransform_parse_crop_spec
++	JPP((jpeg_transform_info *info, const char *spec));
+ /* Request any required workspace */
+-EXTERN(void) jtransform_request_workspace
++EXTERN(boolean) jtransform_request_workspace
+ 	JPP((j_decompress_ptr srcinfo, jpeg_transform_info *info));
+ /* Adjust output image parameters */
+ EXTERN(jvirt_barray_ptr *) jtransform_adjust_parameters
+@@ -106,10 +177,24 @@ EXTERN(jvirt_barray_ptr *) jtransform_ad
+ 	     jvirt_barray_ptr *src_coef_arrays,
+ 	     jpeg_transform_info *info));
+ /* Execute the actual transformation, if any */
+-EXTERN(void) jtransform_execute_transformation
++EXTERN(void) jtransform_execute_transform
+ 	JPP((j_decompress_ptr srcinfo, j_compress_ptr dstinfo,
+ 	     jvirt_barray_ptr *src_coef_arrays,
+ 	     jpeg_transform_info *info));
++/* Determine whether lossless transformation is perfectly
++ * possible for a specified image and transformation.
++ */
++EXTERN(boolean) jtransform_perfect_transform
++	JPP((JDIMENSION image_width, JDIMENSION image_height,
++	     int MCU_width, int MCU_height,
++	     JXFORM_CODE transform));
++
++/* jtransform_execute_transform used to be called
++ * jtransform_execute_transformation, but some compilers complain about
++ * routine names that long.  This macro is here to avoid breaking any
++ * old source code that uses the original name...
++ */
++#define jtransform_execute_transformation	jtransform_execute_transform
+ 
+ #endif /* TRANSFORMS_SUPPORTED */
+ 
diff --git a/meta-oe/recipes-graphics/fbida/files/use-jpeg-turbo.patch b/meta-oe/recipes-graphics/fbida/files/use-jpeg-turbo.patch
new file mode 100644
index 000000000..99639554c
--- /dev/null
+++ b/meta-oe/recipes-graphics/fbida/files/use-jpeg-turbo.patch
@@ -0,0 +1,13 @@ 
+Index: fbida-2.10/GNUmakefile
+===================================================================
+--- fbida-2.10.orig/GNUmakefile
++++ fbida-2.10/GNUmakefile
+@@ -51,7 +51,7 @@ HAVE_LIBSANE	:= $(call ac_lib,sane_init,
+ HAVE_LIBCURL	:= $(call ac_lib,curl_easy_init,curl)
+ HAVE_LIBLIRC	:= $(call ac_lib,lirc_init,lirc_client)
+ HAVE_MOTIF	:= $(call ac_lib,XmStringGenerate,Xm,-L/usr/X11R6/$(LIB) -lXpm -lXt -lXext -lX11)
+-JPEG_VER        := $(call ac_jpeg_ver)
++JPEG_VER        := 62
+ endef
+ 
+ # transposing