diff --git a/jchuff.c b/jchuff.c
index d8eb1d3..447209a 100644
--- a/jchuff.c
+++ b/jchuff.c
@@ -37,7 +37,7 @@
*/
/* NOTE: Both GCC and Clang define __GNUC__ */
-#if defined __GNUC__ && defined __arm__
+#if defined __GNUC__ && (defined __arm__ || defined __aarch64__)
#if !defined __thumb__ || defined __thumb2__
#define USE_CLZ_INTRINSIC
#endif
diff --git a/jdcol565.c b/jdcol565.c
index a2c98f3..43d285d 100644
--- a/jdcol565.c
+++ b/jdcol565.c
@@ -13,42 +13,11 @@
/* This file is included by jdcolor.c */
-#define PACK_SHORT_565(r, g, b) ((((r) << 8) & 0xf800) | \
- (((g) << 3) & 0x7E0) | ((b) >> 3))
-#define PACK_TWO_PIXELS(l, r) ((r << 16) | l)
-#define PACK_NEED_ALIGNMENT(ptr) (((size_t)(ptr)) & 3)
-
-#define WRITE_TWO_PIXELS(addr, pixels) { \
- ((INT16*)(addr))[0] = (pixels); \
- ((INT16*)(addr))[1] = (pixels) >> 16; \
-}
-#define WRITE_TWO_ALIGNED_PIXELS(addr, pixels) ((*(INT32 *)(addr)) = pixels)
-
-#define DITHER_565_R(r, dither) ((r) + ((dither) & 0xFF))
-#define DITHER_565_G(g, dither) ((g) + (((dither) & 0xFF) >> 1))
-#define DITHER_565_B(b, dither) ((b) + ((dither) & 0xFF))
-
-
-/* Declarations for ordered dithering
- *
- * We use a 4x4 ordered dither array packed into 32 bits. This array is
- * sufficent for dithering RGB888 to RGB565.
- */
-
-#define DITHER_MASK 0x3
-#define DITHER_ROTATE(x) (((x) << 24) | (((x) >> 8) & 0x00FFFFFF))
-static const INT32 dither_matrix[4] = {
- 0x0008020A,
- 0x0C040E06,
- 0x030B0109,
- 0x0F070D05
-};
-
-
-METHODDEF(void)
-ycc_rgb565_convert (j_decompress_ptr cinfo,
- JSAMPIMAGE input_buf, JDIMENSION input_row,
- JSAMPARRAY output_buf, int num_rows)
+INLINE
+LOCAL(void)
+ycc_rgb565_convert_internal (j_decompress_ptr cinfo,
+ JSAMPIMAGE input_buf, JDIMENSION input_row,
+ JSAMPIMAGE output_buf, int num_rows)
{
my_cconvert_ptr cconvert = (my_cconvert_ptr) cinfo->cconvert;
register int y, cb, cr;
@@ -123,10 +92,11 @@ ycc_rgb565_convert (j_decompress_ptr cinfo,
}
-METHODDEF(void)
-ycc_rgb565D_convert (j_decompress_ptr cinfo,
- JSAMPIMAGE input_buf, JDIMENSION input_row,
- JSAMPARRAY output_buf, int num_rows)
+INLINE
+LOCAL(void)
+ycc_rgb565D_convert_internal (j_decompress_ptr cinfo,
+ JSAMPIMAGE input_buf, JDIMENSION input_row,
+ JSAMPARRAY output_buf, int num_rows)
{
my_cconvert_ptr cconvert = (my_cconvert_ptr) cinfo->cconvert;
register int y, cb, cr;
@@ -208,10 +178,11 @@ ycc_rgb565D_convert (j_decompress_ptr cinfo,
}
-METHODDEF(void)
-rgb_rgb565_convert (j_decompress_ptr cinfo,
- JSAMPIMAGE input_buf, JDIMENSION input_row,
- JSAMPARRAY output_buf, int num_rows)
+INLINE
+LOCAL(void)
+rgb_rgb565_convert_internal (j_decompress_ptr cinfo,
+ JSAMPIMAGE input_buf, JDIMENSION input_row,
+ JSAMPARRAY output_buf, int num_rows)
{
register JSAMPROW outptr;
register JSAMPROW inptr0, inptr1, inptr2;
@@ -262,10 +233,11 @@ rgb_rgb565_convert (j_decompress_ptr cinfo,
}
-METHODDEF(void)
-rgb_rgb565D_convert (j_decompress_ptr cinfo,
- JSAMPIMAGE input_buf, JDIMENSION input_row,
- JSAMPARRAY output_buf, int num_rows)
+INLINE
+LOCAL(void)
+rgb_rgb565D_convert_internal (j_decompress_ptr cinfo,
+ JSAMPIMAGE input_buf, JDIMENSION input_row,
+ JSAMPARRAY output_buf, int num_rows)
{
register JSAMPROW outptr;
register JSAMPROW inptr0, inptr1, inptr2;
@@ -320,10 +292,11 @@ rgb_rgb565D_convert (j_decompress_ptr cinfo,
}
-METHODDEF(void)
-gray_rgb565_convert (j_decompress_ptr cinfo,
- JSAMPIMAGE input_buf, JDIMENSION input_row,
- JSAMPARRAY output_buf, int num_rows)
+INLINE
+LOCAL(void)
+gray_rgb565_convert_internal (j_decompress_ptr cinfo,
+ JSAMPIMAGE input_buf, JDIMENSION input_row,
+ JSAMPARRAY output_buf, int num_rows)
{
register JSAMPROW inptr, outptr;
register JDIMENSION col;
@@ -359,10 +332,11 @@ gray_rgb565_convert (j_decompress_ptr cinfo,
}
-METHODDEF(void)
-gray_rgb565D_convert (j_decompress_ptr cinfo,
- JSAMPIMAGE input_buf, JDIMENSION input_row,
- JSAMPARRAY output_buf, int num_rows)
+INLINE
+LOCAL(void)
+gray_rgb565D_convert_internal (j_decompress_ptr cinfo,
+ JSAMPIMAGE input_buf, JDIMENSION input_row,
+ JSAMPARRAY output_buf, int num_rows)
{
register JSAMPROW inptr, outptr;
register JDIMENSION col;
diff --git a/jdcolor.c b/jdcolor.c
index ffedabd..779fa51 100644
--- a/jdcolor.c
+++ b/jdcolor.c
@@ -544,7 +544,162 @@ ycck_cmyk_convert (j_decompress_ptr cinfo,
}
+/*
+ * RGB565 conversion
+ */
+
+#define PACK_SHORT_565_LE(r, g, b) ((((r) << 8) & 0xF800) | \
+ (((g) << 3) & 0x7E0) | ((b) >> 3))
+#define PACK_SHORT_565_BE(r, g, b) (((r) & 0xF8) | ((g) >> 5) | \
+ (((g) << 11) & 0xE000) | \
+ (((b) << 5) & 0x1F00))
+
+#define PACK_TWO_PIXELS_LE(l, r) ((r << 16) | l)
+#define PACK_TWO_PIXELS_BE(l, r) ((l << 16) | r)
+
+#define PACK_NEED_ALIGNMENT(ptr) (((size_t)(ptr)) & 3)
+
+#define WRITE_TWO_ALIGNED_PIXELS(addr, pixels) ((*(int *)(addr)) = pixels)
+
+#define DITHER_565_R(r, dither) ((r) + ((dither) & 0xFF))
+#define DITHER_565_G(g, dither) ((g) + (((dither) & 0xFF) >> 1))
+#define DITHER_565_B(b, dither) ((b) + ((dither) & 0xFF))
+
+
+/* Declarations for ordered dithering
+ *
+ * We use a 4x4 ordered dither array packed into 32 bits. This array is
+ * sufficent for dithering RGB888 to RGB565.
+ */
+
+#define DITHER_MASK 0x3
+#define DITHER_ROTATE(x) (((x) << 24) | (((x) >> 8) & 0x00FFFFFF))
+static const INT32 dither_matrix[4] = {
+ 0x0008020A,
+ 0x0C040E06,
+ 0x030B0109,
+ 0x0F070D05
+};
+
+
+static INLINE boolean is_big_endian(void)
+{
+ int test_value = 1;
+ if(*(char *)&test_value != 1)
+ return TRUE;
+ return FALSE;
+}
+
+
+/* Include inline routines for RGB565 conversion */
+
+#define PACK_SHORT_565 PACK_SHORT_565_LE
+#define PACK_TWO_PIXELS PACK_TWO_PIXELS_LE
+#define ycc_rgb565_convert_internal ycc_rgb565_convert_le
+#define ycc_rgb565D_convert_internal ycc_rgb565D_convert_le
+#define rgb_rgb565_convert_internal rgb_rgb565_convert_le
+#define rgb_rgb565D_convert_internal rgb_rgb565D_convert_le
+#define gray_rgb565_convert_internal gray_rgb565_convert_le
+#define gray_rgb565D_convert_internal gray_rgb565D_convert_le
+#include "jdcol565.c"
+#undef PACK_SHORT_565
+#undef PACK_TWO_PIXELS
+#undef ycc_rgb565_convert_internal
+#undef ycc_rgb565D_convert_internal
+#undef rgb_rgb565_convert_internal
+#undef rgb_rgb565D_convert_internal
+#undef gray_rgb565_convert_internal
+#undef gray_rgb565D_convert_internal
+
+#define PACK_SHORT_565 PACK_SHORT_565_BE
+#define PACK_TWO_PIXELS PACK_TWO_PIXELS_BE
+#define ycc_rgb565_convert_internal ycc_rgb565_convert_be
+#define ycc_rgb565D_convert_internal ycc_rgb565D_convert_be
+#define rgb_rgb565_convert_internal rgb_rgb565_convert_be
+#define rgb_rgb565D_convert_internal rgb_rgb565D_convert_be
+#define gray_rgb565_convert_internal gray_rgb565_convert_be
+#define gray_rgb565D_convert_internal gray_rgb565D_convert_be
#include "jdcol565.c"
+#undef PACK_SHORT_565
+#undef PACK_TWO_PIXELS
+#undef ycc_rgb565_convert_internal
+#undef ycc_rgb565D_convert_internal
+#undef rgb_rgb565_convert_internal
+#undef rgb_rgb565D_convert_internal
+#undef gray_rgb565_convert_internal
+#undef gray_rgb565D_convert_internal
+
+
+METHODDEF(void)
+ycc_rgb565_convert (j_decompress_ptr cinfo,
+ JSAMPIMAGE input_buf, JDIMENSION input_row,
+ JSAMPARRAY output_buf, int num_rows)
+{
+ if (is_big_endian())
+ ycc_rgb565_convert_be(cinfo, input_buf, input_row, output_buf, num_rows);
+ else
+ ycc_rgb565_convert_le(cinfo, input_buf, input_row, output_buf, num_rows);
+}
+
+
+METHODDEF(void)
+ycc_rgb565D_convert (j_decompress_ptr cinfo,
+ JSAMPIMAGE input_buf, JDIMENSION input_row,
+ JSAMPARRAY output_buf, int num_rows)
+{
+ if (is_big_endian())
+ ycc_rgb565D_convert_be(cinfo, input_buf, input_row, output_buf, num_rows);
+ else
+ ycc_rgb565D_convert_le(cinfo, input_buf, input_row, output_buf, num_rows);
+}
+
+
+METHODDEF(void)
+rgb_rgb565_convert (j_decompress_ptr cinfo,
+ JSAMPIMAGE input_buf, JDIMENSION input_row,
+ JSAMPARRAY output_buf, int num_rows)
+{
+ if (is_big_endian())
+ rgb_rgb565_convert_be(cinfo, input_buf, input_row, output_buf, num_rows);
+ else
+ rgb_rgb565_convert_le(cinfo, input_buf, input_row, output_buf, num_rows);
+}
+
+
+METHODDEF(void)
+rgb_rgb565D_convert (j_decompress_ptr cinfo,
+ JSAMPIMAGE input_buf, JDIMENSION input_row,
+ JSAMPARRAY output_buf, int num_rows)
+{
+ if (is_big_endian())
+ rgb_rgb565D_convert_be(cinfo, input_buf, input_row, output_buf, num_rows);
+ else
+ rgb_rgb565D_convert_le(cinfo, input_buf, input_row, output_buf, num_rows);
+}
+
+
+METHODDEF(void)
+gray_rgb565_convert (j_decompress_ptr cinfo,
+ JSAMPIMAGE input_buf, JDIMENSION input_row,
+ JSAMPARRAY output_buf, int num_rows)
+{
+ if (is_big_endian())
+ gray_rgb565_convert_be(cinfo, input_buf, input_row, output_buf, num_rows);
+ else
+ gray_rgb565_convert_le(cinfo, input_buf, input_row, output_buf, num_rows);
+}
+
+
+METHODDEF(void)
+gray_rgb565D_convert (j_decompress_ptr cinfo,
+ JSAMPIMAGE input_buf, JDIMENSION input_row,
+ JSAMPARRAY output_buf, int num_rows)
+{
+ if (is_big_endian())
+ gray_rgb565D_convert_be(cinfo, input_buf, input_row, output_buf, num_rows);
+ else
+ gray_rgb565D_convert_le(cinfo, input_buf, input_row, output_buf, num_rows);
+}
/*
diff --git a/jdmerge.c b/jdmerge.c
index f89d69f..d857183 100644
--- a/jdmerge.c
+++ b/jdmerge.c
@@ -45,38 +45,6 @@
#ifdef UPSAMPLE_MERGING_SUPPORTED
-#define PACK_SHORT_565(r, g, b) ((((r) << 8) & 0xf800) | \
- (((g) << 3) & 0x7E0) | ((b) >> 3))
-#define PACK_TWO_PIXELS(l, r) ((r << 16) | l)
-#define PACK_NEED_ALIGNMENT(ptr) (((size_t)(ptr)) & 3)
-
-#define WRITE_TWO_PIXELS(addr, pixels) { \
- ((INT16*)(addr))[0] = (pixels); \
- ((INT16*)(addr))[1] = (pixels) >> 16; \
-}
-#define WRITE_TWO_ALIGNED_PIXELS(addr, pixels) ((*(INT32 *)(addr)) = pixels)
-
-#define DITHER_565_R(r, dither) ((r) + ((dither) & 0xFF))
-#define DITHER_565_G(g, dither) ((g) + (((dither) & 0xFF) >> 1))
-#define DITHER_565_B(b, dither) ((b) + ((dither) & 0xFF))
-
-
-/* Declarations for ordered dithering
- *
- * We use a 4x4 ordered dither array packed into 32 bits. This array is
- * sufficent for dithering RGB888 to RGB565.
- */
-
-#define DITHER_MASK 0x3
-#define DITHER_ROTATE(x) (((x) << 24) | (((x) >> 8) & 0x00FFFFFF))
-static const INT32 dither_matrix[4] = {
- 0x0008020A,
- 0x0C040E06,
- 0x030B0109,
- 0x0F070D05
-};
-
-
/* Private subobject */
typedef struct {
@@ -450,74 +418,107 @@ h2v2_merged_upsample (j_decompress_ptr cinfo,
}
}
+/*
+ * RGB565 conversion
+ */
+
+#define PACK_SHORT_565_LE(r, g, b) ((((r) << 8) & 0xF800) | \
+ (((g) << 3) & 0x7E0) | ((b) >> 3))
+#define PACK_SHORT_565_BE(r, g, b) (((r) & 0xF8) | ((g) >> 5) | \
+ (((g) << 11) & 0xE000) | \
+ (((b) << 5) & 0x1F00))
+
+#define PACK_TWO_PIXELS_LE(l, r) ((r << 16) | l)
+#define PACK_TWO_PIXELS_BE(l, r) ((l << 16) | r)
+
+#define PACK_NEED_ALIGNMENT(ptr) (((size_t)(ptr)) & 3)
+
+#define WRITE_TWO_PIXELS_LE(addr, pixels) { \
+ ((INT16*)(addr))[0] = (pixels); \
+ ((INT16*)(addr))[1] = (pixels) >> 16; \
+}
+#define WRITE_TWO_PIXELS_BE(addr, pixels) { \
+ ((INT16*)(addr))[1] = (pixels); \
+ ((INT16*)(addr))[0] = (pixels) >> 16; \
+}
+
+#define DITHER_565_R(r, dither) ((r) + ((dither) & 0xFF))
+#define DITHER_565_G(g, dither) ((g) + (((dither) & 0xFF) >> 1))
+#define DITHER_565_B(b, dither) ((b) + ((dither) & 0xFF))
+
+
+/* Declarations for ordered dithering
+ *
+ * We use a 4x4 ordered dither array packed into 32 bits. This array is
+ * sufficent for dithering RGB888 to RGB565.
+ */
+
+#define DITHER_MASK 0x3
+#define DITHER_ROTATE(x) (((x) << 24) | (((x) >> 8) & 0x00FFFFFF))
+static const INT32 dither_matrix[4] = {
+ 0x0008020A,
+ 0x0C040E06,
+ 0x030B0109,
+ 0x0F070D05
+};
+
+
+/* Include inline routines for RGB565 conversion */
+
+#define PACK_SHORT_565 PACK_SHORT_565_LE
+#define PACK_TWO_PIXELS PACK_TWO_PIXELS_LE
+#define WRITE_TWO_PIXELS WRITE_TWO_PIXELS_LE
+#define h2v1_merged_upsample_565_internal h2v1_merged_upsample_565_le
+#define h2v1_merged_upsample_565D_internal h2v1_merged_upsample_565D_le
+#define h2v2_merged_upsample_565_internal h2v2_merged_upsample_565_le
+#define h2v2_merged_upsample_565D_internal h2v2_merged_upsample_565D_le
+#include "jdmrg565.c"
+#undef PACK_SHORT_565
+#undef PACK_TWO_PIXELS
+#undef WRITE_TWO_PIXELS
+#undef h2v1_merged_upsample_565_internal
+#undef h2v1_merged_upsample_565D_internal
+#undef h2v2_merged_upsample_565_internal
+#undef h2v2_merged_upsample_565D_internal
+
+#define PACK_SHORT_565 PACK_SHORT_565_BE
+#define PACK_TWO_PIXELS PACK_TWO_PIXELS_BE
+#define WRITE_TWO_PIXELS WRITE_TWO_PIXELS_BE
+#define h2v1_merged_upsample_565_internal h2v1_merged_upsample_565_be
+#define h2v1_merged_upsample_565D_internal h2v1_merged_upsample_565D_be
+#define h2v2_merged_upsample_565_internal h2v2_merged_upsample_565_be
+#define h2v2_merged_upsample_565D_internal h2v2_merged_upsample_565D_be
+#include "jdmrg565.c"
+#undef PACK_SHORT_565
+#undef PACK_TWO_PIXELS
+#undef WRITE_TWO_PIXELS
+#undef h2v1_merged_upsample_565_internal
+#undef h2v1_merged_upsample_565D_internal
+#undef h2v2_merged_upsample_565_internal
+#undef h2v2_merged_upsample_565D_internal
+
+
+static INLINE boolean is_big_endian(void)
+{
+ int test_value = 1;
+ if(*(char *)&test_value != 1)
+ return TRUE;
+ return FALSE;
+}
+
METHODDEF(void)
h2v1_merged_upsample_565 (j_decompress_ptr cinfo,
JSAMPIMAGE input_buf, JDIMENSION in_row_group_ctr,
JSAMPARRAY output_buf)
{
- my_upsample_ptr upsample = (my_upsample_ptr) cinfo->upsample;
- register int y, cred, cgreen, cblue;
- int cb, cr;
- register JSAMPROW outptr;
- JSAMPROW inptr0, inptr1, inptr2;
- JDIMENSION col;
- /* copy these pointers into registers if possible */
- register JSAMPLE * range_limit = cinfo->sample_range_limit;
- int * Crrtab = upsample->Cr_r_tab;
- int * Cbbtab = upsample->Cb_b_tab;
- INT32 * Crgtab = upsample->Cr_g_tab;
- INT32 * Cbgtab = upsample->Cb_g_tab;
- unsigned int r, g, b;
- INT32 rgb;
- SHIFT_TEMPS
-
- inptr0 = input_buf[0][in_row_group_ctr];
- inptr1 = input_buf[1][in_row_group_ctr];
- inptr2 = input_buf[2][in_row_group_ctr];
- outptr = output_buf[0];
-
- /* Loop for each pair of output pixels */
- for (col = cinfo->output_width >> 1; col > 0; col--) {
- /* Do the chroma part of the calculation */
- cb = GETJSAMPLE(*inptr1++);
- cr = GETJSAMPLE(*inptr2++);
- cred = Crrtab[cr];
- cgreen = (int) RIGHT_SHIFT(Cbgtab[cb] + Crgtab[cr], SCALEBITS);
- cblue = Cbbtab[cb];
-
- /* Fetch 2 Y values and emit 2 pixels */
- y = GETJSAMPLE(*inptr0++);
- r = range_limit[y + cred];
- g = range_limit[y + cgreen];
- b = range_limit[y + cblue];
- rgb = PACK_SHORT_565(r, g, b);
-
- y = GETJSAMPLE(*inptr0++);
- r = range_limit[y + cred];
- g = range_limit[y + cgreen];
- b = range_limit[y + cblue];
- rgb = PACK_TWO_PIXELS(rgb, PACK_SHORT_565(r, g, b));
-
- WRITE_TWO_PIXELS(outptr, rgb);
- outptr += 4;
- }
-
- /* If image width is odd, do the last output column separately */
- if (cinfo->output_width & 1) {
- cb = GETJSAMPLE(*inptr1);
- cr = GETJSAMPLE(*inptr2);
- cred = Crrtab[cr];
- cgreen = (int) RIGHT_SHIFT(Cbgtab[cb] + Crgtab[cr], SCALEBITS);
- cblue = Cbbtab[cb];
- y = GETJSAMPLE(*inptr0);
- r = range_limit[y + cred];
- g = range_limit[y + cgreen];
- b = range_limit[y + cblue];
- rgb = PACK_SHORT_565(r, g, b);
- *(INT16*)outptr = rgb;
- }
- }
+ if (is_big_endian())
+ h2v1_merged_upsample_565_be(cinfo, input_buf, in_row_group_ctr,
+ output_buf);
+ else
+ h2v1_merged_upsample_565_le(cinfo, input_buf, in_row_group_ctr,
+ output_buf);
+}
METHODDEF(void)
@@ -525,70 +526,12 @@ h2v1_merged_upsample_565D (j_decompress_ptr cinfo,
JSAMPIMAGE input_buf, JDIMENSION in_row_group_ctr,
JSAMPARRAY output_buf)
{
- my_upsample_ptr upsample = (my_upsample_ptr) cinfo->upsample;
- register int y, cred, cgreen, cblue;
- int cb, cr;
- register JSAMPROW outptr;
- JSAMPROW inptr0, inptr1, inptr2;
- JDIMENSION col;
- /* copy these pointers into registers if possible */
- register JSAMPLE * range_limit = cinfo->sample_range_limit;
- int * Crrtab = upsample->Cr_r_tab;
- int * Cbbtab = upsample->Cb_b_tab;
- INT32 * Crgtab = upsample->Cr_g_tab;
- INT32 * Cbgtab = upsample->Cb_g_tab;
- INT32 d0 = dither_matrix[cinfo->output_scanline & DITHER_MASK];
- unsigned int r, g, b;
- INT32 rgb;
- SHIFT_TEMPS
-
- inptr0 = input_buf[0][in_row_group_ctr];
- inptr1 = input_buf[1][in_row_group_ctr];
- inptr2 = input_buf[2][in_row_group_ctr];
- outptr = output_buf[0];
-
- /* Loop for each pair of output pixels */
- for (col = cinfo->output_width >> 1; col > 0; col--) {
- /* Do the chroma part of the calculation */
- cb = GETJSAMPLE(*inptr1++);
- cr = GETJSAMPLE(*inptr2++);
- cred = Crrtab[cr];
- cgreen = (int) RIGHT_SHIFT(Cbgtab[cb] + Crgtab[cr], SCALEBITS);
- cblue = Cbbtab[cb];
-
- /* Fetch 2 Y values and emit 2 pixels */
- y = GETJSAMPLE(*inptr0++);
- r = range_limit[DITHER_565_R(y + cred, d0)];
- g = range_limit[DITHER_565_G(y + cgreen, d0)];
- b = range_limit[DITHER_565_B(y + cblue, d0)];
- d0 = DITHER_ROTATE(d0);
- rgb = PACK_SHORT_565(r, g, b);
-
- y = GETJSAMPLE(*inptr0++);
- r = range_limit[DITHER_565_R(y + cred, d0)];
- g = range_limit[DITHER_565_G(y + cgreen, d0)];
- b = range_limit[DITHER_565_B(y + cblue, d0)];
- d0 = DITHER_ROTATE(d0);
- rgb = PACK_TWO_PIXELS(rgb, PACK_SHORT_565(r, g, b));
-
- WRITE_TWO_PIXELS(outptr, rgb);
- outptr += 4;
- }
-
- /* If image width is odd, do the last output column separately */
- if (cinfo->output_width & 1) {
- cb = GETJSAMPLE(*inptr1);
- cr = GETJSAMPLE(*inptr2);
- cred = Crrtab[cr];
- cgreen = (int) RIGHT_SHIFT(Cbgtab[cb] + Crgtab[cr], SCALEBITS);
- cblue = Cbbtab[cb];
- y = GETJSAMPLE(*inptr0);
- r = range_limit[DITHER_565_R(y + cred, d0)];
- g = range_limit[DITHER_565_G(y + cgreen, d0)];
- b = range_limit[DITHER_565_B(y + cblue, d0)];
- rgb = PACK_SHORT_565(r, g, b);
- *(INT16*)outptr = rgb;
- }
+ if (is_big_endian())
+ h2v1_merged_upsample_565D_be(cinfo, input_buf, in_row_group_ctr,
+ output_buf);
+ else
+ h2v1_merged_upsample_565D_le(cinfo, input_buf, in_row_group_ctr,
+ output_buf);
}
@@ -597,92 +540,12 @@ h2v2_merged_upsample_565 (j_decompress_ptr cinfo,
JSAMPIMAGE input_buf, JDIMENSION in_row_group_ctr,
JSAMPARRAY output_buf)
{
- my_upsample_ptr upsample = (my_upsample_ptr) cinfo->upsample;
- register int y, cred, cgreen, cblue;
- int cb, cr;
- register JSAMPROW outptr0, outptr1;
- JSAMPROW inptr00, inptr01, inptr1, inptr2;
- JDIMENSION col;
- /* copy these pointers into registers if possible */
- register JSAMPLE * range_limit = cinfo->sample_range_limit;
- int * Crrtab = upsample->Cr_r_tab;
- int * Cbbtab = upsample->Cb_b_tab;
- INT32 * Crgtab = upsample->Cr_g_tab;
- INT32 * Cbgtab = upsample->Cb_g_tab;
- unsigned int r, g, b;
- INT32 rgb;
- SHIFT_TEMPS
-
- inptr00 = input_buf[0][in_row_group_ctr * 2];
- inptr01 = input_buf[0][in_row_group_ctr * 2 + 1];
- inptr1 = input_buf[1][in_row_group_ctr];
- inptr2 = input_buf[2][in_row_group_ctr];
- outptr0 = output_buf[0];
- outptr1 = output_buf[1];
-
- /* Loop for each group of output pixels */
- for (col = cinfo->output_width >> 1; col > 0; col--) {
- /* Do the chroma part of the calculation */
- cb = GETJSAMPLE(*inptr1++);
- cr = GETJSAMPLE(*inptr2++);
- cred = Crrtab[cr];
- cgreen = (int) RIGHT_SHIFT(Cbgtab[cb] + Crgtab[cr], SCALEBITS);
- cblue = Cbbtab[cb];
-
- /* Fetch 4 Y values and emit 4 pixels */
- y = GETJSAMPLE(*inptr00++);
- r = range_limit[y + cred];
- g = range_limit[y + cgreen];
- b = range_limit[y + cblue];
- rgb = PACK_SHORT_565(r, g, b);
-
- y = GETJSAMPLE(*inptr00++);
- r = range_limit[y + cred];
- g = range_limit[y + cgreen];
- b = range_limit[y + cblue];
- rgb = PACK_TWO_PIXELS(rgb, PACK_SHORT_565(r, g, b));
-
- WRITE_TWO_PIXELS(outptr0, rgb);
- outptr0 += 4;
-
- y = GETJSAMPLE(*inptr01++);
- r = range_limit[y + cred];
- g = range_limit[y + cgreen];
- b = range_limit[y + cblue];
- rgb = PACK_SHORT_565(r, g, b);
-
- y = GETJSAMPLE(*inptr01++);
- r = range_limit[y + cred];
- g = range_limit[y + cgreen];
- b = range_limit[y + cblue];
- rgb = PACK_TWO_PIXELS(rgb, PACK_SHORT_565(r, g, b));
-
- WRITE_TWO_PIXELS(outptr1, rgb);
- outptr1 += 4;
- }
-
- /* If image width is odd, do the last output column separately */
- if (cinfo->output_width & 1) {
- cb = GETJSAMPLE(*inptr1);
- cr = GETJSAMPLE(*inptr2);
- cred = Crrtab[cr];
- cgreen = (int) RIGHT_SHIFT(Cbgtab[cb] + Crgtab[cr], SCALEBITS);
- cblue = Cbbtab[cb];
-
- y = GETJSAMPLE(*inptr00);
- r = range_limit[y + cred];
- g = range_limit[y + cgreen];
- b = range_limit[y + cblue];
- rgb = PACK_SHORT_565(r, g, b);
- *(INT16*)outptr0 = rgb;
-
- y = GETJSAMPLE(*inptr01);
- r = range_limit[y + cred];
- g = range_limit[y + cgreen];
- b = range_limit[y + cblue];
- rgb = PACK_SHORT_565(r, g, b);
- *(INT16*)outptr1 = rgb;
- }
+ if (is_big_endian())
+ h2v2_merged_upsample_565_be(cinfo, input_buf, in_row_group_ctr,
+ output_buf);
+ else
+ h2v2_merged_upsample_565_le(cinfo, input_buf, in_row_group_ctr,
+ output_buf);
}
@@ -691,98 +554,12 @@ h2v2_merged_upsample_565D (j_decompress_ptr cinfo,
JSAMPIMAGE input_buf, JDIMENSION in_row_group_ctr,
JSAMPARRAY output_buf)
{
- my_upsample_ptr upsample = (my_upsample_ptr) cinfo->upsample;
- register int y, cred, cgreen, cblue;
- int cb, cr;
- register JSAMPROW outptr0, outptr1;
- JSAMPROW inptr00, inptr01, inptr1, inptr2;
- JDIMENSION col;
- /* copy these pointers into registers if possible */
- register JSAMPLE * range_limit = cinfo->sample_range_limit;
- int * Crrtab = upsample->Cr_r_tab;
- int * Cbbtab = upsample->Cb_b_tab;
- INT32 * Crgtab = upsample->Cr_g_tab;
- INT32 * Cbgtab = upsample->Cb_g_tab;
- INT32 d0 = dither_matrix[cinfo->output_scanline & DITHER_MASK];
- INT32 d1 = dither_matrix[(cinfo->output_scanline+1) & DITHER_MASK];
- unsigned int r, g, b;
- INT32 rgb;
- SHIFT_TEMPS
-
- inptr00 = input_buf[0][in_row_group_ctr*2];
- inptr01 = input_buf[0][in_row_group_ctr*2 + 1];
- inptr1 = input_buf[1][in_row_group_ctr];
- inptr2 = input_buf[2][in_row_group_ctr];
- outptr0 = output_buf[0];
- outptr1 = output_buf[1];
-
- /* Loop for each group of output pixels */
- for (col = cinfo->output_width >> 1; col > 0; col--) {
- /* Do the chroma part of the calculation */
- cb = GETJSAMPLE(*inptr1++);
- cr = GETJSAMPLE(*inptr2++);
- cred = Crrtab[cr];
- cgreen = (int) RIGHT_SHIFT(Cbgtab[cb] + Crgtab[cr], SCALEBITS);
- cblue = Cbbtab[cb];
-
- /* Fetch 4 Y values and emit 4 pixels */
- y = GETJSAMPLE(*inptr00++);
- r = range_limit[DITHER_565_R(y + cred, d0)];
- g = range_limit[DITHER_565_G(y + cgreen, d0)];
- b = range_limit[DITHER_565_B(y + cblue, d0)];
- d0 = DITHER_ROTATE(d0);
- rgb = PACK_SHORT_565(r, g, b);
-
- y = GETJSAMPLE(*inptr00++);
- r = range_limit[DITHER_565_R(y + cred, d1)];
- g = range_limit[DITHER_565_G(y + cgreen, d1)];
- b = range_limit[DITHER_565_B(y + cblue, d1)];
- d1 = DITHER_ROTATE(d1);
- rgb = PACK_TWO_PIXELS(rgb, PACK_SHORT_565(r, g, b));
-
- WRITE_TWO_PIXELS(outptr0, rgb);
- outptr0 += 4;
-
- y = GETJSAMPLE(*inptr01++);
- r = range_limit[DITHER_565_R(y + cred, d0)];
- g = range_limit[DITHER_565_G(y + cgreen, d0)];
- b = range_limit[DITHER_565_B(y + cblue, d0)];
- d0 = DITHER_ROTATE(d0);
- rgb = PACK_SHORT_565(r, g, b);
-
- y = GETJSAMPLE(*inptr01++);
- r = range_limit[DITHER_565_R(y + cred, d1)];
- g = range_limit[DITHER_565_G(y + cgreen, d1)];
- b = range_limit[DITHER_565_B(y + cblue, d1)];
- d1 = DITHER_ROTATE(d1);
- rgb = PACK_TWO_PIXELS(rgb, PACK_SHORT_565(r, g, b));
-
- WRITE_TWO_PIXELS(outptr1, rgb);
- outptr1 += 4;
- }
-
- /* If image width is odd, do the last output column separately */
- if (cinfo->output_width & 1) {
- cb = GETJSAMPLE(*inptr1);
- cr = GETJSAMPLE(*inptr2);
- cred = Crrtab[cr];
- cgreen = (int) RIGHT_SHIFT(Cbgtab[cb] + Crgtab[cr], SCALEBITS);
- cblue = Cbbtab[cb];
-
- y = GETJSAMPLE(*inptr00);
- r = range_limit[DITHER_565_R(y + cred, d0)];
- g = range_limit[DITHER_565_G(y + cgreen, d0)];
- b = range_limit[DITHER_565_B(y + cblue, d0)];
- rgb = PACK_SHORT_565(r, g, b);
- *(INT16*)outptr0 = rgb;
-
- y = GETJSAMPLE(*inptr01);
- r = range_limit[DITHER_565_R(y + cred, d1)];
- g = range_limit[DITHER_565_G(y + cgreen, d1)];
- b = range_limit[DITHER_565_B(y + cblue, d1)];
- rgb = PACK_SHORT_565(r, g, b);
- *(INT16*)outptr1 = rgb;
- }
+ if (is_big_endian())
+ h2v2_merged_upsample_565D_be(cinfo, input_buf, in_row_group_ctr,
+ output_buf);
+ else
+ h2v2_merged_upsample_565D_le(cinfo, input_buf, in_row_group_ctr,
+ output_buf);
}
diff --git a/md5/md5.c b/md5/md5.c
index 7193e95..1e09880 100644
--- a/md5/md5.c
+++ b/md5/md5.c
@@ -39,6 +39,14 @@ static void MD5Transform(unsigned int [4], const unsigned char [64]);
#else
/*
+ * OS X doesn't have le32toh() or htole32()
+ */
+#ifdef __APPLE__
+#include <libkern/OSByteOrder.h>
+#define le32toh(x) OSSwapLittleToHostInt32(x)
+#define htole32(x) OSSwapHostToLittleInt32(x)
+#endif
+/*
* Encodes input (unsigned int) into output (unsigned char). Assumes len is
* a multiple of 4.
*/
diff --git a/wrbmp.c b/wrbmp.c
index 3a85441..5bcf23d 100644
--- a/wrbmp.c
+++ b/wrbmp.c
@@ -64,6 +64,15 @@ LOCAL(void) write_colormap
int map_entry_size);
+static inline boolean is_big_endian(void)
+{
+ int test_value = 1;
+ if(*(char *)&test_value != 1)
+ return TRUE;
+ return FALSE;
+}
+
+
/*
* Write some pixel data.
* In this module rows_supplied will always be 1.
@@ -93,18 +102,18 @@ put_pixel_rows (j_decompress_ptr cinfo, djpeg_dest_ptr dinfo,
outptr = image_ptr[0];
if(cinfo->out_color_space == JCS_RGB565) {
- #define red_mask 0xF800
- #define green_mask 0x7E0
- #define blue_mask 0x1F
- unsigned char r, g, b;
+ boolean big_endian = is_big_endian();
unsigned short *inptr2 = (unsigned short *)inptr;
for (col = cinfo->output_width; col > 0; col--) {
- r = (*inptr2 & red_mask) >> 11;
- g = (*inptr2 & green_mask) >> 5;
- b = (*inptr2 & blue_mask);
- outptr[0] = b << 3;
- outptr[1] = g << 2;
- outptr[2] = r << 3;
+ if (big_endian) {
+ outptr[0] = (*inptr2 >> 5) & 0xF8;
+ outptr[1] = ((*inptr2 << 5) & 0xE0) | ((*inptr2 >> 11) & 0x1C);
+ outptr[2] = *inptr2 & 0xF8;
+ } else {
+ outptr[0] = (*inptr2 << 3) & 0xF8;
+ outptr[1] = (*inptr2 >> 3) & 0xFC;
+ outptr[2] = (*inptr2 >> 8) & 0xF8;
+ }
outptr += 3;
inptr2++;
}