Adding upstream version 1:115.7.0.upstream/1%115.7.0upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 1258 insertions, 0 deletions

diff --git a/media/libjpeg/simd/jsimd.h b/media/libjpeg/simd/jsimd.h
new file mode 100644
index 0000000000..a28754adb9
--- /dev/null
+++ b/media/libjpeg/simd/jsimd.h
@@ -0,0 +1,1258 @@
+/*
+ * simd/jsimd.h
+ *
+ * Copyright 2009 Pierre Ossman <ossman@cendio.se> for Cendio AB
+ * Copyright (C) 2011, 2014-2016, 2018, 2020, 2022, D. R. Commander.
+ * Copyright (C) 2013-2014, MIPS Technologies, Inc., California.
+ * Copyright (C) 2014, Linaro Limited.
+ * Copyright (C) 2015-2016, 2018, 2022, Matthieu Darbois.
+ * Copyright (C) 2016-2018, Loongson Technology Corporation Limited, BeiJing.
+ * Copyright (C) 2020, Arm Limited.
+ *
+ * Based on the x86 SIMD extension for IJG JPEG library,
+ * Copyright (C) 1999-2006, MIYASAKA Masaru.
+ * For conditions of distribution and use, see copyright notice in jsimdext.inc
+ *
+ */
+
+/* Bitmask for supported acceleration methods */
+
+#define JSIMD_NONE     0x00
+#define JSIMD_MMX      0x01
+#define JSIMD_3DNOW    0x02
+#define JSIMD_SSE      0x04
+#define JSIMD_SSE2     0x08
+#define JSIMD_NEON     0x10
+#define JSIMD_DSPR2    0x20
+#define JSIMD_ALTIVEC  0x40
+#define JSIMD_AVX2     0x80
+#define JSIMD_MMI      0x100
+
+/* SIMD Ext: retrieve SIMD/CPU information */
+EXTERN(unsigned int) jpeg_simd_cpu_support(void);
+
+/* RGB & extended RGB --> YCC Colorspace Conversion */
+EXTERN(void) jsimd_rgb_ycc_convert_mmx
+  (JDIMENSION img_width, JSAMPARRAY input_buf, JSAMPIMAGE output_buf,
+   JDIMENSION output_row, int num_rows);
+EXTERN(void) jsimd_extrgb_ycc_convert_mmx
+  (JDIMENSION img_width, JSAMPARRAY input_buf, JSAMPIMAGE output_buf,
+   JDIMENSION output_row, int num_rows);
+EXTERN(void) jsimd_extrgbx_ycc_convert_mmx
+  (JDIMENSION img_width, JSAMPARRAY input_buf, JSAMPIMAGE output_buf,
+   JDIMENSION output_row, int num_rows);
+EXTERN(void) jsimd_extbgr_ycc_convert_mmx
+  (JDIMENSION img_width, JSAMPARRAY input_buf, JSAMPIMAGE output_buf,
+   JDIMENSION output_row, int num_rows);
+EXTERN(void) jsimd_extbgrx_ycc_convert_mmx
+  (JDIMENSION img_width, JSAMPARRAY input_buf, JSAMPIMAGE output_buf,
+   JDIMENSION output_row, int num_rows);
+EXTERN(void) jsimd_extxbgr_ycc_convert_mmx
+  (JDIMENSION img_width, JSAMPARRAY input_buf, JSAMPIMAGE output_buf,
+   JDIMENSION output_row, int num_rows);
+EXTERN(void) jsimd_extxrgb_ycc_convert_mmx
+  (JDIMENSION img_width, JSAMPARRAY input_buf, JSAMPIMAGE output_buf,
+   JDIMENSION output_row, int num_rows);
+
+extern const int jconst_rgb_ycc_convert_sse2[];
+EXTERN(void) jsimd_rgb_ycc_convert_sse2
+  (JDIMENSION img_width, JSAMPARRAY input_buf, JSAMPIMAGE output_buf,
+   JDIMENSION output_row, int num_rows);
+EXTERN(void) jsimd_extrgb_ycc_convert_sse2
+  (JDIMENSION img_width, JSAMPARRAY input_buf, JSAMPIMAGE output_buf,
+   JDIMENSION output_row, int num_rows);
+EXTERN(void) jsimd_extrgbx_ycc_convert_sse2
+  (JDIMENSION img_width, JSAMPARRAY input_buf, JSAMPIMAGE output_buf,
+   JDIMENSION output_row, int num_rows);
+EXTERN(void) jsimd_extbgr_ycc_convert_sse2
+  (JDIMENSION img_width, JSAMPARRAY input_buf, JSAMPIMAGE output_buf,
+   JDIMENSION output_row, int num_rows);
+EXTERN(void) jsimd_extbgrx_ycc_convert_sse2
+  (JDIMENSION img_width, JSAMPARRAY input_buf, JSAMPIMAGE output_buf,
+   JDIMENSION output_row, int num_rows);
+EXTERN(void) jsimd_extxbgr_ycc_convert_sse2
+  (JDIMENSION img_width, JSAMPARRAY input_buf, JSAMPIMAGE output_buf,
+   JDIMENSION output_row, int num_rows);
+EXTERN(void) jsimd_extxrgb_ycc_convert_sse2
+  (JDIMENSION img_width, JSAMPARRAY input_buf, JSAMPIMAGE output_buf,
+   JDIMENSION output_row, int num_rows);
+
+extern const int jconst_rgb_ycc_convert_avx2[];
+EXTERN(void) jsimd_rgb_ycc_convert_avx2
+  (JDIMENSION img_width, JSAMPARRAY input_buf, JSAMPIMAGE output_buf,
+   JDIMENSION output_row, int num_rows);
+EXTERN(void) jsimd_extrgb_ycc_convert_avx2
+  (JDIMENSION img_width, JSAMPARRAY input_buf, JSAMPIMAGE output_buf,
+   JDIMENSION output_row, int num_rows);
+EXTERN(void) jsimd_extrgbx_ycc_convert_avx2
+  (JDIMENSION img_width, JSAMPARRAY input_buf, JSAMPIMAGE output_buf,
+   JDIMENSION output_row, int num_rows);
+EXTERN(void) jsimd_extbgr_ycc_convert_avx2
+  (JDIMENSION img_width, JSAMPARRAY input_buf, JSAMPIMAGE output_buf,
+   JDIMENSION output_row, int num_rows);
+EXTERN(void) jsimd_extbgrx_ycc_convert_avx2
+  (JDIMENSION img_width, JSAMPARRAY input_buf, JSAMPIMAGE output_buf,
+   JDIMENSION output_row, int num_rows);
+EXTERN(void) jsimd_extxbgr_ycc_convert_avx2
+  (JDIMENSION img_width, JSAMPARRAY input_buf, JSAMPIMAGE output_buf,
+   JDIMENSION output_row, int num_rows);
+EXTERN(void) jsimd_extxrgb_ycc_convert_avx2
+  (JDIMENSION img_width, JSAMPARRAY input_buf, JSAMPIMAGE output_buf,
+   JDIMENSION output_row, int num_rows);
+
+EXTERN(void) jsimd_rgb_ycc_convert_neon
+  (JDIMENSION img_width, JSAMPARRAY input_buf, JSAMPIMAGE output_buf,
+   JDIMENSION output_row, int num_rows);
+EXTERN(void) jsimd_extrgb_ycc_convert_neon
+  (JDIMENSION img_width, JSAMPARRAY input_buf, JSAMPIMAGE output_buf,
+   JDIMENSION output_row, int num_rows);
+EXTERN(void) jsimd_extrgbx_ycc_convert_neon
+  (JDIMENSION img_width, JSAMPARRAY input_buf, JSAMPIMAGE output_buf,
+   JDIMENSION output_row, int num_rows);
+EXTERN(void) jsimd_extbgr_ycc_convert_neon
+  (JDIMENSION img_width, JSAMPARRAY input_buf, JSAMPIMAGE output_buf,
+   JDIMENSION output_row, int num_rows);
+EXTERN(void) jsimd_extbgrx_ycc_convert_neon
+  (JDIMENSION img_width, JSAMPARRAY input_buf, JSAMPIMAGE output_buf,
+   JDIMENSION output_row, int num_rows);
+EXTERN(void) jsimd_extxbgr_ycc_convert_neon
+  (JDIMENSION img_width, JSAMPARRAY input_buf, JSAMPIMAGE output_buf,
+   JDIMENSION output_row, int num_rows);
+EXTERN(void) jsimd_extxrgb_ycc_convert_neon
+  (JDIMENSION img_width, JSAMPARRAY input_buf, JSAMPIMAGE output_buf,
+   JDIMENSION output_row, int num_rows);
+
+#ifndef NEON_INTRINSICS
+
+EXTERN(void) jsimd_extrgb_ycc_convert_neon_slowld3
+  (JDIMENSION img_width, JSAMPARRAY input_buf, JSAMPIMAGE output_buf,
+   JDIMENSION output_row, int num_rows);
+EXTERN(void) jsimd_extbgr_ycc_convert_neon_slowld3
+  (JDIMENSION img_width, JSAMPARRAY input_buf, JSAMPIMAGE output_buf,
+   JDIMENSION output_row, int num_rows);
+
+#endif
+
+EXTERN(void) jsimd_rgb_ycc_convert_dspr2
+  (JDIMENSION img_width, JSAMPARRAY input_buf, JSAMPIMAGE output_buf,
+   JDIMENSION output_row, int num_rows);
+EXTERN(void) jsimd_extrgb_ycc_convert_dspr2
+  (JDIMENSION img_width, JSAMPARRAY input_buf, JSAMPIMAGE output_buf,
+   JDIMENSION output_row, int num_rows);
+EXTERN(void) jsimd_extrgbx_ycc_convert_dspr2
+  (JDIMENSION img_width, JSAMPARRAY input_buf, JSAMPIMAGE output_buf,
+   JDIMENSION output_row, int num_rows);
+EXTERN(void) jsimd_extbgr_ycc_convert_dspr2
+  (JDIMENSION img_width, JSAMPARRAY input_buf, JSAMPIMAGE output_buf,
+   JDIMENSION output_row, int num_rows);
+EXTERN(void) jsimd_extbgrx_ycc_convert_dspr2
+  (JDIMENSION img_width, JSAMPARRAY input_buf, JSAMPIMAGE output_buf,
+   JDIMENSION output_row, int num_rows);
+EXTERN(void) jsimd_extxbgr_ycc_convert_dspr2
+  (JDIMENSION img_width, JSAMPARRAY input_buf, JSAMPIMAGE output_buf,
+   JDIMENSION output_row, int num_rows);
+EXTERN(void) jsimd_extxrgb_ycc_convert_dspr2
+  (JDIMENSION img_width, JSAMPARRAY input_buf, JSAMPIMAGE output_buf,
+   JDIMENSION output_row, int num_rows);
+
+EXTERN(void) jsimd_rgb_ycc_convert_mmi
+  (JDIMENSION img_width, JSAMPARRAY input_buf, JSAMPIMAGE output_buf,
+   JDIMENSION output_row, int num_rows);
+EXTERN(void) jsimd_extrgb_ycc_convert_mmi
+  (JDIMENSION img_width, JSAMPARRAY input_buf, JSAMPIMAGE output_buf,
+   JDIMENSION output_row, int num_rows);
+EXTERN(void) jsimd_extrgbx_ycc_convert_mmi
+  (JDIMENSION img_width, JSAMPARRAY input_buf, JSAMPIMAGE output_buf,
+   JDIMENSION output_row, int num_rows);
+EXTERN(void) jsimd_extbgr_ycc_convert_mmi
+  (JDIMENSION img_width, JSAMPARRAY input_buf, JSAMPIMAGE output_buf,
+   JDIMENSION output_row, int num_rows);
+EXTERN(void) jsimd_extbgrx_ycc_convert_mmi
+  (JDIMENSION img_width, JSAMPARRAY input_buf, JSAMPIMAGE output_buf,
+   JDIMENSION output_row, int num_rows);
+EXTERN(void) jsimd_extxbgr_ycc_convert_mmi
+  (JDIMENSION img_width, JSAMPARRAY input_buf, JSAMPIMAGE output_buf,
+   JDIMENSION output_row, int num_rows);
+EXTERN(void) jsimd_extxrgb_ycc_convert_mmi
+  (JDIMENSION img_width, JSAMPARRAY input_buf, JSAMPIMAGE output_buf,
+   JDIMENSION output_row, int num_rows);
+
+EXTERN(void) jsimd_rgb_ycc_convert_altivec
+  (JDIMENSION img_width, JSAMPARRAY input_buf, JSAMPIMAGE output_buf,
+   JDIMENSION output_row, int num_rows);
+EXTERN(void) jsimd_extrgb_ycc_convert_altivec
+  (JDIMENSION img_width, JSAMPARRAY input_buf, JSAMPIMAGE output_buf,
+   JDIMENSION output_row, int num_rows);
+EXTERN(void) jsimd_extrgbx_ycc_convert_altivec
+  (JDIMENSION img_width, JSAMPARRAY input_buf, JSAMPIMAGE output_buf,
+   JDIMENSION output_row, int num_rows);
+EXTERN(void) jsimd_extbgr_ycc_convert_altivec
+  (JDIMENSION img_width, JSAMPARRAY input_buf, JSAMPIMAGE output_buf,
+   JDIMENSION output_row, int num_rows);
+EXTERN(void) jsimd_extbgrx_ycc_convert_altivec
+  (JDIMENSION img_width, JSAMPARRAY input_buf, JSAMPIMAGE output_buf,
+   JDIMENSION output_row, int num_rows);
+EXTERN(void) jsimd_extxbgr_ycc_convert_altivec
+  (JDIMENSION img_width, JSAMPARRAY input_buf, JSAMPIMAGE output_buf,
+   JDIMENSION output_row, int num_rows);
+EXTERN(void) jsimd_extxrgb_ycc_convert_altivec
+  (JDIMENSION img_width, JSAMPARRAY input_buf, JSAMPIMAGE output_buf,
+   JDIMENSION output_row, int num_rows);
+
+/* RGB & extended RGB --> Grayscale Colorspace Conversion */
+EXTERN(void) jsimd_rgb_gray_convert_mmx
+  (JDIMENSION img_width, JSAMPARRAY input_buf, JSAMPIMAGE output_buf,
+   JDIMENSION output_row, int num_rows);
+EXTERN(void) jsimd_extrgb_gray_convert_mmx
+  (JDIMENSION img_width, JSAMPARRAY input_buf, JSAMPIMAGE output_buf,
+   JDIMENSION output_row, int num_rows);
+EXTERN(void) jsimd_extrgbx_gray_convert_mmx
+  (JDIMENSION img_width, JSAMPARRAY input_buf, JSAMPIMAGE output_buf,
+   JDIMENSION output_row, int num_rows);
+EXTERN(void) jsimd_extbgr_gray_convert_mmx
+  (JDIMENSION img_width, JSAMPARRAY input_buf, JSAMPIMAGE output_buf,
+   JDIMENSION output_row, int num_rows);
+EXTERN(void) jsimd_extbgrx_gray_convert_mmx
+  (JDIMENSION img_width, JSAMPARRAY input_buf, JSAMPIMAGE output_buf,
+   JDIMENSION output_row, int num_rows);
+EXTERN(void) jsimd_extxbgr_gray_convert_mmx
+  (JDIMENSION img_width, JSAMPARRAY input_buf, JSAMPIMAGE output_buf,
+   JDIMENSION output_row, int num_rows);
+EXTERN(void) jsimd_extxrgb_gray_convert_mmx
+  (JDIMENSION img_width, JSAMPARRAY input_buf, JSAMPIMAGE output_buf,
+   JDIMENSION output_row, int num_rows);
+
+extern const int jconst_rgb_gray_convert_sse2[];
+EXTERN(void) jsimd_rgb_gray_convert_sse2
+  (JDIMENSION img_width, JSAMPARRAY input_buf, JSAMPIMAGE output_buf,
+   JDIMENSION output_row, int num_rows);
+EXTERN(void) jsimd_extrgb_gray_convert_sse2
+  (JDIMENSION img_width, JSAMPARRAY input_buf, JSAMPIMAGE output_buf,
+   JDIMENSION output_row, int num_rows);
+EXTERN(void) jsimd_extrgbx_gray_convert_sse2
+  (JDIMENSION img_width, JSAMPARRAY input_buf, JSAMPIMAGE output_buf,
+   JDIMENSION output_row, int num_rows);
+EXTERN(void) jsimd_extbgr_gray_convert_sse2
+  (JDIMENSION img_width, JSAMPARRAY input_buf, JSAMPIMAGE output_buf,
+   JDIMENSION output_row, int num_rows);
+EXTERN(void) jsimd_extbgrx_gray_convert_sse2
+  (JDIMENSION img_width, JSAMPARRAY input_buf, JSAMPIMAGE output_buf,
+   JDIMENSION output_row, int num_rows);
+EXTERN(void) jsimd_extxbgr_gray_convert_sse2
+  (JDIMENSION img_width, JSAMPARRAY input_buf, JSAMPIMAGE output_buf,
+   JDIMENSION output_row, int num_rows);
+EXTERN(void) jsimd_extxrgb_gray_convert_sse2
+  (JDIMENSION img_width, JSAMPARRAY input_buf, JSAMPIMAGE output_buf,
+   JDIMENSION output_row, int num_rows);
+
+extern const int jconst_rgb_gray_convert_avx2[];
+EXTERN(void) jsimd_rgb_gray_convert_avx2
+  (JDIMENSION img_width, JSAMPARRAY input_buf, JSAMPIMAGE output_buf,
+   JDIMENSION output_row, int num_rows);
+EXTERN(void) jsimd_extrgb_gray_convert_avx2
+  (JDIMENSION img_width, JSAMPARRAY input_buf, JSAMPIMAGE output_buf,
+   JDIMENSION output_row, int num_rows);
+EXTERN(void) jsimd_extrgbx_gray_convert_avx2
+  (JDIMENSION img_width, JSAMPARRAY input_buf, JSAMPIMAGE output_buf,
+   JDIMENSION output_row, int num_rows);
+EXTERN(void) jsimd_extbgr_gray_convert_avx2
+  (JDIMENSION img_width, JSAMPARRAY input_buf, JSAMPIMAGE output_buf,
+   JDIMENSION output_row, int num_rows);
+EXTERN(void) jsimd_extbgrx_gray_convert_avx2
+  (JDIMENSION img_width, JSAMPARRAY input_buf, JSAMPIMAGE output_buf,
+   JDIMENSION output_row, int num_rows);
+EXTERN(void) jsimd_extxbgr_gray_convert_avx2
+  (JDIMENSION img_width, JSAMPARRAY input_buf, JSAMPIMAGE output_buf,
+   JDIMENSION output_row, int num_rows);
+EXTERN(void) jsimd_extxrgb_gray_convert_avx2
+  (JDIMENSION img_width, JSAMPARRAY input_buf, JSAMPIMAGE output_buf,
+   JDIMENSION output_row, int num_rows);
+
+EXTERN(void) jsimd_rgb_gray_convert_neon
+  (JDIMENSION img_width, JSAMPARRAY input_buf, JSAMPIMAGE output_buf,
+   JDIMENSION output_row, int num_rows);
+EXTERN(void) jsimd_extrgb_gray_convert_neon
+  (JDIMENSION img_width, JSAMPARRAY input_buf, JSAMPIMAGE output_buf,
+   JDIMENSION output_row, int num_rows);
+EXTERN(void) jsimd_extrgbx_gray_convert_neon
+  (JDIMENSION img_width, JSAMPARRAY input_buf, JSAMPIMAGE output_buf,
+   JDIMENSION output_row, int num_rows);
+EXTERN(void) jsimd_extbgr_gray_convert_neon
+  (JDIMENSION img_width, JSAMPARRAY input_buf, JSAMPIMAGE output_buf,
+   JDIMENSION output_row, int num_rows);
+EXTERN(void) jsimd_extbgrx_gray_convert_neon
+  (JDIMENSION img_width, JSAMPARRAY input_buf, JSAMPIMAGE output_buf,
+   JDIMENSION output_row, int num_rows);
+EXTERN(void) jsimd_extxbgr_gray_convert_neon
+  (JDIMENSION img_width, JSAMPARRAY input_buf, JSAMPIMAGE output_buf,
+   JDIMENSION output_row, int num_rows);
+EXTERN(void) jsimd_extxrgb_gray_convert_neon
+  (JDIMENSION img_width, JSAMPARRAY input_buf, JSAMPIMAGE output_buf,
+   JDIMENSION output_row, int num_rows);
+
+EXTERN(void) jsimd_rgb_gray_convert_dspr2
+  (JDIMENSION img_width, JSAMPARRAY input_buf, JSAMPIMAGE output_buf,
+   JDIMENSION output_row, int num_rows);
+EXTERN(void) jsimd_extrgb_gray_convert_dspr2
+  (JDIMENSION img_width, JSAMPARRAY input_buf, JSAMPIMAGE output_buf,
+   JDIMENSION output_row, int num_rows);
+EXTERN(void) jsimd_extrgbx_gray_convert_dspr2
+  (JDIMENSION img_width, JSAMPARRAY input_buf, JSAMPIMAGE output_buf,
+   JDIMENSION output_row, int num_rows);
+EXTERN(void) jsimd_extbgr_gray_convert_dspr2
+  (JDIMENSION img_width, JSAMPARRAY input_buf, JSAMPIMAGE output_buf,
+   JDIMENSION output_row, int num_rows);
+EXTERN(void) jsimd_extbgrx_gray_convert_dspr2
+  (JDIMENSION img_width, JSAMPARRAY input_buf, JSAMPIMAGE output_buf,
+   JDIMENSION output_row, int num_rows);
+EXTERN(void) jsimd_extxbgr_gray_convert_dspr2
+  (JDIMENSION img_width, JSAMPARRAY input_buf, JSAMPIMAGE output_buf,
+   JDIMENSION output_row, int num_rows);
+EXTERN(void) jsimd_extxrgb_gray_convert_dspr2
+  (JDIMENSION img_width, JSAMPARRAY input_buf, JSAMPIMAGE output_buf,
+   JDIMENSION output_row, int num_rows);
+
+EXTERN(void) jsimd_rgb_gray_convert_mmi
+  (JDIMENSION img_width, JSAMPARRAY input_buf, JSAMPIMAGE output_buf,
+   JDIMENSION output_row, int num_rows);
+EXTERN(void) jsimd_extrgb_gray_convert_mmi
+  (JDIMENSION img_width, JSAMPARRAY input_buf, JSAMPIMAGE output_buf,
+   JDIMENSION output_row, int num_rows);
+EXTERN(void) jsimd_extrgbx_gray_convert_mmi
+  (JDIMENSION img_width, JSAMPARRAY input_buf, JSAMPIMAGE output_buf,
+   JDIMENSION output_row, int num_rows);
+EXTERN(void) jsimd_extbgr_gray_convert_mmi
+  (JDIMENSION img_width, JSAMPARRAY input_buf, JSAMPIMAGE output_buf,
+   JDIMENSION output_row, int num_rows);
+EXTERN(void) jsimd_extbgrx_gray_convert_mmi
+  (JDIMENSION img_width, JSAMPARRAY input_buf, JSAMPIMAGE output_buf,
+   JDIMENSION output_row, int num_rows);
+EXTERN(void) jsimd_extxbgr_gray_convert_mmi
+  (JDIMENSION img_width, JSAMPARRAY input_buf, JSAMPIMAGE output_buf,
+   JDIMENSION output_row, int num_rows);
+EXTERN(void) jsimd_extxrgb_gray_convert_mmi
+  (JDIMENSION img_width, JSAMPARRAY input_buf, JSAMPIMAGE output_buf,
+   JDIMENSION output_row, int num_rows);
+
+EXTERN(void) jsimd_rgb_gray_convert_altivec
+  (JDIMENSION img_width, JSAMPARRAY input_buf, JSAMPIMAGE output_buf,
+   JDIMENSION output_row, int num_rows);
+EXTERN(void) jsimd_extrgb_gray_convert_altivec
+  (JDIMENSION img_width, JSAMPARRAY input_buf, JSAMPIMAGE output_buf,
+   JDIMENSION output_row, int num_rows);
+EXTERN(void) jsimd_extrgbx_gray_convert_altivec
+  (JDIMENSION img_width, JSAMPARRAY input_buf, JSAMPIMAGE output_buf,
+   JDIMENSION output_row, int num_rows);
+EXTERN(void) jsimd_extbgr_gray_convert_altivec
+  (JDIMENSION img_width, JSAMPARRAY input_buf, JSAMPIMAGE output_buf,
+   JDIMENSION output_row, int num_rows);
+EXTERN(void) jsimd_extbgrx_gray_convert_altivec
+  (JDIMENSION img_width, JSAMPARRAY input_buf, JSAMPIMAGE output_buf,
+   JDIMENSION output_row, int num_rows);
+EXTERN(void) jsimd_extxbgr_gray_convert_altivec
+  (JDIMENSION img_width, JSAMPARRAY input_buf, JSAMPIMAGE output_buf,
+   JDIMENSION output_row, int num_rows);
+EXTERN(void) jsimd_extxrgb_gray_convert_altivec
+  (JDIMENSION img_width, JSAMPARRAY input_buf, JSAMPIMAGE output_buf,
+   JDIMENSION output_row, int num_rows);
+
+/* YCC --> RGB & extended RGB Colorspace Conversion */
+EXTERN(void) jsimd_ycc_rgb_convert_mmx
+  (JDIMENSION out_width, JSAMPIMAGE input_buf, JDIMENSION input_row,
+   JSAMPARRAY output_buf, int num_rows);
+EXTERN(void) jsimd_ycc_extrgb_convert_mmx
+  (JDIMENSION out_width, JSAMPIMAGE input_buf, JDIMENSION input_row,
+   JSAMPARRAY output_buf, int num_rows);
+EXTERN(void) jsimd_ycc_extrgbx_convert_mmx
+  (JDIMENSION out_width, JSAMPIMAGE input_buf, JDIMENSION input_row,
+   JSAMPARRAY output_buf, int num_rows);
+EXTERN(void) jsimd_ycc_extbgr_convert_mmx
+  (JDIMENSION out_width, JSAMPIMAGE input_buf, JDIMENSION input_row,
+   JSAMPARRAY output_buf, int num_rows);
+EXTERN(void) jsimd_ycc_extbgrx_convert_mmx
+  (JDIMENSION out_width, JSAMPIMAGE input_buf, JDIMENSION input_row,
+   JSAMPARRAY output_buf, int num_rows);
+EXTERN(void) jsimd_ycc_extxbgr_convert_mmx
+  (JDIMENSION out_width, JSAMPIMAGE input_buf, JDIMENSION input_row,
+   JSAMPARRAY output_buf, int num_rows);
+EXTERN(void) jsimd_ycc_extxrgb_convert_mmx
+  (JDIMENSION out_width, JSAMPIMAGE input_buf, JDIMENSION input_row,
+   JSAMPARRAY output_buf, int num_rows);
+
+extern const int jconst_ycc_rgb_convert_sse2[];
+EXTERN(void) jsimd_ycc_rgb_convert_sse2
+  (JDIMENSION out_width, JSAMPIMAGE input_buf, JDIMENSION input_row,
+   JSAMPARRAY output_buf, int num_rows);
+EXTERN(void) jsimd_ycc_extrgb_convert_sse2
+  (JDIMENSION out_width, JSAMPIMAGE input_buf, JDIMENSION input_row,
+   JSAMPARRAY output_buf, int num_rows);
+EXTERN(void) jsimd_ycc_extrgbx_convert_sse2
+  (JDIMENSION out_width, JSAMPIMAGE input_buf, JDIMENSION input_row,
+   JSAMPARRAY output_buf, int num_rows);
+EXTERN(void) jsimd_ycc_extbgr_convert_sse2
+  (JDIMENSION out_width, JSAMPIMAGE input_buf, JDIMENSION input_row,
+   JSAMPARRAY output_buf, int num_rows);
+EXTERN(void) jsimd_ycc_extbgrx_convert_sse2
+  (JDIMENSION out_width, JSAMPIMAGE input_buf, JDIMENSION input_row,
+   JSAMPARRAY output_buf, int num_rows);
+EXTERN(void) jsimd_ycc_extxbgr_convert_sse2
+  (JDIMENSION out_width, JSAMPIMAGE input_buf, JDIMENSION input_row,
+   JSAMPARRAY output_buf, int num_rows);
+EXTERN(void) jsimd_ycc_extxrgb_convert_sse2
+  (JDIMENSION out_width, JSAMPIMAGE input_buf, JDIMENSION input_row,
+   JSAMPARRAY output_buf, int num_rows);
+
+extern const int jconst_ycc_rgb_convert_avx2[];
+EXTERN(void) jsimd_ycc_rgb_convert_avx2
+  (JDIMENSION out_width, JSAMPIMAGE input_buf, JDIMENSION input_row,
+   JSAMPARRAY output_buf, int num_rows);
+EXTERN(void) jsimd_ycc_extrgb_convert_avx2
+  (JDIMENSION out_width, JSAMPIMAGE input_buf, JDIMENSION input_row,
+   JSAMPARRAY output_buf, int num_rows);
+EXTERN(void) jsimd_ycc_extrgbx_convert_avx2
+  (JDIMENSION out_width, JSAMPIMAGE input_buf, JDIMENSION input_row,
+   JSAMPARRAY output_buf, int num_rows);
+EXTERN(void) jsimd_ycc_extbgr_convert_avx2
+  (JDIMENSION out_width, JSAMPIMAGE input_buf, JDIMENSION input_row,
+   JSAMPARRAY output_buf, int num_rows);
+EXTERN(void) jsimd_ycc_extbgrx_convert_avx2
+  (JDIMENSION out_width, JSAMPIMAGE input_buf, JDIMENSION input_row,
+   JSAMPARRAY output_buf, int num_rows);
+EXTERN(void) jsimd_ycc_extxbgr_convert_avx2
+  (JDIMENSION out_width, JSAMPIMAGE input_buf, JDIMENSION input_row,
+   JSAMPARRAY output_buf, int num_rows);
+EXTERN(void) jsimd_ycc_extxrgb_convert_avx2
+  (JDIMENSION out_width, JSAMPIMAGE input_buf, JDIMENSION input_row,
+   JSAMPARRAY output_buf, int num_rows);
+
+EXTERN(void) jsimd_ycc_rgb_convert_neon
+  (JDIMENSION out_width, JSAMPIMAGE input_buf, JDIMENSION input_row,
+   JSAMPARRAY output_buf, int num_rows);
+EXTERN(void) jsimd_ycc_extrgb_convert_neon
+  (JDIMENSION out_width, JSAMPIMAGE input_buf, JDIMENSION input_row,
+   JSAMPARRAY output_buf, int num_rows);
+EXTERN(void) jsimd_ycc_extrgbx_convert_neon
+  (JDIMENSION out_width, JSAMPIMAGE input_buf, JDIMENSION input_row,
+   JSAMPARRAY output_buf, int num_rows);
+EXTERN(void) jsimd_ycc_extbgr_convert_neon
+  (JDIMENSION out_width, JSAMPIMAGE input_buf, JDIMENSION input_row,
+   JSAMPARRAY output_buf, int num_rows);
+EXTERN(void) jsimd_ycc_extbgrx_convert_neon
+  (JDIMENSION out_width, JSAMPIMAGE input_buf, JDIMENSION input_row,
+   JSAMPARRAY output_buf, int num_rows);
+EXTERN(void) jsimd_ycc_extxbgr_convert_neon
+  (JDIMENSION out_width, JSAMPIMAGE input_buf, JDIMENSION input_row,
+   JSAMPARRAY output_buf, int num_rows);
+EXTERN(void) jsimd_ycc_extxrgb_convert_neon
+  (JDIMENSION out_width, JSAMPIMAGE input_buf, JDIMENSION input_row,
+   JSAMPARRAY output_buf, int num_rows);
+EXTERN(void) jsimd_ycc_rgb565_convert_neon
+  (JDIMENSION out_width, JSAMPIMAGE input_buf, JDIMENSION input_row,
+   JSAMPARRAY output_buf, int num_rows);
+
+#ifndef NEON_INTRINSICS
+
+EXTERN(void) jsimd_ycc_extrgb_convert_neon_slowst3
+  (JDIMENSION out_width, JSAMPIMAGE input_buf, JDIMENSION input_row,
+   JSAMPARRAY output_buf, int num_rows);
+EXTERN(void) jsimd_ycc_extbgr_convert_neon_slowst3
+  (JDIMENSION out_width, JSAMPIMAGE input_buf, JDIMENSION input_row,
+   JSAMPARRAY output_buf, int num_rows);
+
+#endif
+
+EXTERN(void) jsimd_ycc_rgb_convert_dspr2
+  (JDIMENSION out_width, JSAMPIMAGE input_buf, JDIMENSION input_row,
+   JSAMPARRAY output_buf, int num_rows);
+EXTERN(void) jsimd_ycc_extrgb_convert_dspr2
+  (JDIMENSION out_width, JSAMPIMAGE input_buf, JDIMENSION input_row,
+   JSAMPARRAY output_buf, int num_rows);
+EXTERN(void) jsimd_ycc_extrgbx_convert_dspr2
+  (JDIMENSION out_width, JSAMPIMAGE input_buf, JDIMENSION input_row,
+   JSAMPARRAY output_buf, int num_rows);
+EXTERN(void) jsimd_ycc_extbgr_convert_dspr2
+  (JDIMENSION out_width, JSAMPIMAGE input_buf, JDIMENSION input_row,
+   JSAMPARRAY output_buf, int num_rows);
+EXTERN(void) jsimd_ycc_extbgrx_convert_dspr2
+  (JDIMENSION out_width, JSAMPIMAGE input_buf, JDIMENSION input_row,
+   JSAMPARRAY output_buf, int num_rows);
+EXTERN(void) jsimd_ycc_extxbgr_convert_dspr2
+  (JDIMENSION out_width, JSAMPIMAGE input_buf, JDIMENSION input_row,
+   JSAMPARRAY output_buf, int num_rows);
+EXTERN(void) jsimd_ycc_extxrgb_convert_dspr2
+  (JDIMENSION out_width, JSAMPIMAGE input_buf, JDIMENSION input_row,
+   JSAMPARRAY output_buf, int num_rows);
+
+EXTERN(void) jsimd_ycc_rgb_convert_mmi
+  (JDIMENSION out_width, JSAMPIMAGE input_buf, JDIMENSION input_row,
+   JSAMPARRAY output_buf, int num_rows);
+EXTERN(void) jsimd_ycc_extrgb_convert_mmi
+  (JDIMENSION out_width, JSAMPIMAGE input_buf, JDIMENSION input_row,
+   JSAMPARRAY output_buf, int num_rows);
+EXTERN(void) jsimd_ycc_extrgbx_convert_mmi
+  (JDIMENSION out_width, JSAMPIMAGE input_buf, JDIMENSION input_row,
+   JSAMPARRAY output_buf, int num_rows);
+EXTERN(void) jsimd_ycc_extbgr_convert_mmi
+  (JDIMENSION out_width, JSAMPIMAGE input_buf, JDIMENSION input_row,
+   JSAMPARRAY output_buf, int num_rows);
+EXTERN(void) jsimd_ycc_extbgrx_convert_mmi
+  (JDIMENSION out_width, JSAMPIMAGE input_buf, JDIMENSION input_row,
+   JSAMPARRAY output_buf, int num_rows);
+EXTERN(void) jsimd_ycc_extxbgr_convert_mmi
+  (JDIMENSION out_width, JSAMPIMAGE input_buf, JDIMENSION input_row,
+   JSAMPARRAY output_buf, int num_rows);
+EXTERN(void) jsimd_ycc_extxrgb_convert_mmi
+  (JDIMENSION out_width, JSAMPIMAGE input_buf, JDIMENSION input_row,
+   JSAMPARRAY output_buf, int num_rows);
+
+EXTERN(void) jsimd_ycc_rgb_convert_altivec
+  (JDIMENSION out_width, JSAMPIMAGE input_buf, JDIMENSION input_row,
+   JSAMPARRAY output_buf, int num_rows);
+EXTERN(void) jsimd_ycc_extrgb_convert_altivec
+  (JDIMENSION out_width, JSAMPIMAGE input_buf, JDIMENSION input_row,
+   JSAMPARRAY output_buf, int num_rows);
+EXTERN(void) jsimd_ycc_extrgbx_convert_altivec
+  (JDIMENSION out_width, JSAMPIMAGE input_buf, JDIMENSION input_row,
+   JSAMPARRAY output_buf, int num_rows);
+EXTERN(void) jsimd_ycc_extbgr_convert_altivec
+  (JDIMENSION out_width, JSAMPIMAGE input_buf, JDIMENSION input_row,
+   JSAMPARRAY output_buf, int num_rows);
+EXTERN(void) jsimd_ycc_extbgrx_convert_altivec
+  (JDIMENSION out_width, JSAMPIMAGE input_buf, JDIMENSION input_row,
+   JSAMPARRAY output_buf, int num_rows);
+EXTERN(void) jsimd_ycc_extxbgr_convert_altivec
+  (JDIMENSION out_width, JSAMPIMAGE input_buf, JDIMENSION input_row,
+   JSAMPARRAY output_buf, int num_rows);
+EXTERN(void) jsimd_ycc_extxrgb_convert_altivec
+  (JDIMENSION out_width, JSAMPIMAGE input_buf, JDIMENSION input_row,
+   JSAMPARRAY output_buf, int num_rows);
+
+/* NULL Colorspace Conversion */
+EXTERN(void) jsimd_c_null_convert_dspr2
+  (JDIMENSION img_width, JSAMPARRAY input_buf, JSAMPIMAGE output_buf,
+   JDIMENSION output_row, int num_rows, int num_components);
+
+/* h2v1 Downsampling */
+EXTERN(void) jsimd_h2v1_downsample_mmx
+  (JDIMENSION image_width, int max_v_samp_factor, JDIMENSION v_samp_factor,
+   JDIMENSION width_in_blocks, JSAMPARRAY input_data, JSAMPARRAY output_data);
+
+EXTERN(void) jsimd_h2v1_downsample_sse2
+  (JDIMENSION image_width, int max_v_samp_factor, JDIMENSION v_samp_factor,
+   JDIMENSION width_in_blocks, JSAMPARRAY input_data, JSAMPARRAY output_data);
+
+EXTERN(void) jsimd_h2v1_downsample_avx2
+  (JDIMENSION image_width, int max_v_samp_factor, JDIMENSION v_samp_factor,
+   JDIMENSION width_in_blocks, JSAMPARRAY input_data, JSAMPARRAY output_data);
+
+EXTERN(void) jsimd_h2v1_downsample_neon
+  (JDIMENSION image_width, int max_v_samp_factor, JDIMENSION v_samp_factor,
+   JDIMENSION width_in_blocks, JSAMPARRAY input_data, JSAMPARRAY output_data);
+
+EXTERN(void) jsimd_h2v1_downsample_dspr2
+  (JDIMENSION image_width, int max_v_samp_factor, JDIMENSION v_samp_factor,
+   JDIMENSION width_in_blocks, JSAMPARRAY input_data, JSAMPARRAY output_data);
+
+EXTERN(void) jsimd_h2v1_downsample_altivec
+  (JDIMENSION image_width, int max_v_samp_factor, JDIMENSION v_samp_factor,
+   JDIMENSION width_in_blocks, JSAMPARRAY input_data, JSAMPARRAY output_data);
+
+/* h2v2 Downsampling */
+EXTERN(void) jsimd_h2v2_downsample_mmx
+  (JDIMENSION image_width, int max_v_samp_factor, JDIMENSION v_samp_factor,
+   JDIMENSION width_in_blocks, JSAMPARRAY input_data, JSAMPARRAY output_data);
+
+EXTERN(void) jsimd_h2v2_downsample_sse2
+  (JDIMENSION image_width, int max_v_samp_factor, JDIMENSION v_samp_factor,
+   JDIMENSION width_in_blocks, JSAMPARRAY input_data, JSAMPARRAY output_data);
+
+EXTERN(void) jsimd_h2v2_downsample_avx2
+  (JDIMENSION image_width, int max_v_samp_factor, JDIMENSION v_samp_factor,
+   JDIMENSION width_in_blocks, JSAMPARRAY input_data, JSAMPARRAY output_data);
+
+EXTERN(void) jsimd_h2v2_downsample_neon
+  (JDIMENSION image_width, int max_v_samp_factor, JDIMENSION v_samp_factor,
+   JDIMENSION width_in_blocks, JSAMPARRAY input_data, JSAMPARRAY output_data);
+
+EXTERN(void) jsimd_h2v2_downsample_dspr2
+  (JDIMENSION image_width, int max_v_samp_factor, JDIMENSION v_samp_factor,
+   JDIMENSION width_in_blocks, JSAMPARRAY input_data, JSAMPARRAY output_data);
+
+EXTERN(void) jsimd_h2v2_downsample_mmi
+  (JDIMENSION image_width, int max_v_samp_factor, JDIMENSION v_samp_factor,
+   JDIMENSION width_in_blocks, JSAMPARRAY input_data, JSAMPARRAY output_data);
+
+EXTERN(void) jsimd_h2v2_downsample_altivec
+  (JDIMENSION image_width, int max_v_samp_factor, JDIMENSION v_samp_factor,
+   JDIMENSION width_in_blocks, JSAMPARRAY input_data, JSAMPARRAY output_data);
+
+/* h2v2 Smooth Downsampling */
+EXTERN(void) jsimd_h2v2_smooth_downsample_dspr2
+  (JSAMPARRAY input_data, JSAMPARRAY output_data, JDIMENSION v_samp_factor,
+   int max_v_samp_factor, int smoothing_factor, JDIMENSION width_in_blocks,
+   JDIMENSION image_width);
+
+
+/* Upsampling */
+EXTERN(void) jsimd_h2v1_upsample_mmx
+  (int max_v_samp_factor, JDIMENSION output_width, JSAMPARRAY input_data,
+   JSAMPARRAY *output_data_ptr);
+EXTERN(void) jsimd_h2v2_upsample_mmx
+  (int max_v_samp_factor, JDIMENSION output_width, JSAMPARRAY input_data,
+   JSAMPARRAY *output_data_ptr);
+
+EXTERN(void) jsimd_h2v1_upsample_sse2
+  (int max_v_samp_factor, JDIMENSION output_width, JSAMPARRAY input_data,
+   JSAMPARRAY *output_data_ptr);
+EXTERN(void) jsimd_h2v2_upsample_sse2
+  (int max_v_samp_factor, JDIMENSION output_width, JSAMPARRAY input_data,
+   JSAMPARRAY *output_data_ptr);
+
+EXTERN(void) jsimd_h2v1_upsample_avx2
+  (int max_v_samp_factor, JDIMENSION output_width, JSAMPARRAY input_data,
+   JSAMPARRAY *output_data_ptr);
+EXTERN(void) jsimd_h2v2_upsample_avx2
+  (int max_v_samp_factor, JDIMENSION output_width, JSAMPARRAY input_data,
+   JSAMPARRAY *output_data_ptr);
+
+EXTERN(void) jsimd_h2v1_upsample_neon
+  (int max_v_samp_factor, JDIMENSION output_width, JSAMPARRAY input_data,
+   JSAMPARRAY *output_data_ptr);
+EXTERN(void) jsimd_h2v2_upsample_neon
+  (int max_v_samp_factor, JDIMENSION output_width, JSAMPARRAY input_data,
+   JSAMPARRAY *output_data_ptr);
+
+EXTERN(void) jsimd_h2v1_upsample_dspr2
+  (int max_v_samp_factor, JDIMENSION output_width, JSAMPARRAY input_data,
+   JSAMPARRAY *output_data_ptr);
+EXTERN(void) jsimd_h2v2_upsample_dspr2
+  (int max_v_samp_factor, JDIMENSION output_width, JSAMPARRAY input_data,
+   JSAMPARRAY *output_data_ptr);
+
+EXTERN(void) jsimd_int_upsample_dspr2
+  (UINT8 h_expand, UINT8 v_expand, JSAMPARRAY input_data,
+   JSAMPARRAY *output_data_ptr, JDIMENSION output_width,
+   int max_v_samp_factor);
+
+EXTERN(void) jsimd_h2v1_upsample_altivec
+  (int max_v_samp_factor, JDIMENSION output_width, JSAMPARRAY input_data,
+   JSAMPARRAY *output_data_ptr);
+EXTERN(void) jsimd_h2v2_upsample_altivec
+  (int max_v_samp_factor, JDIMENSION output_width, JSAMPARRAY input_data,
+   JSAMPARRAY *output_data_ptr);
+
+/* Fancy Upsampling */
+EXTERN(void) jsimd_h2v1_fancy_upsample_mmx
+  (int max_v_samp_factor, JDIMENSION downsampled_width, JSAMPARRAY input_data,
+   JSAMPARRAY *output_data_ptr);
+EXTERN(void) jsimd_h2v2_fancy_upsample_mmx
+  (int max_v_samp_factor, JDIMENSION downsampled_width, JSAMPARRAY input_data,
+   JSAMPARRAY *output_data_ptr);
+
+extern const int jconst_fancy_upsample_sse2[];
+EXTERN(void) jsimd_h2v1_fancy_upsample_sse2
+  (int max_v_samp_factor, JDIMENSION downsampled_width, JSAMPARRAY input_data,
+   JSAMPARRAY *output_data_ptr);
+EXTERN(void) jsimd_h2v2_fancy_upsample_sse2
+  (int max_v_samp_factor, JDIMENSION downsampled_width, JSAMPARRAY input_data,
+   JSAMPARRAY *output_data_ptr);
+
+extern const int jconst_fancy_upsample_avx2[];
+EXTERN(void) jsimd_h2v1_fancy_upsample_avx2
+  (int max_v_samp_factor, JDIMENSION downsampled_width, JSAMPARRAY input_data,
+   JSAMPARRAY *output_data_ptr);
+EXTERN(void) jsimd_h2v2_fancy_upsample_avx2
+  (int max_v_samp_factor, JDIMENSION downsampled_width, JSAMPARRAY input_data,
+   JSAMPARRAY *output_data_ptr);
+
+EXTERN(void) jsimd_h2v1_fancy_upsample_neon
+  (int max_v_samp_factor, JDIMENSION downsampled_width, JSAMPARRAY input_data,
+   JSAMPARRAY *output_data_ptr);
+EXTERN(void) jsimd_h2v2_fancy_upsample_neon
+  (int max_v_samp_factor, JDIMENSION downsampled_width, JSAMPARRAY input_data,
+   JSAMPARRAY *output_data_ptr);
+EXTERN(void) jsimd_h1v2_fancy_upsample_neon
+  (int max_v_samp_factor, JDIMENSION downsampled_width, JSAMPARRAY input_data,
+   JSAMPARRAY *output_data_ptr);
+
+EXTERN(void) jsimd_h2v1_fancy_upsample_dspr2
+  (int max_v_samp_factor, JDIMENSION downsampled_width, JSAMPARRAY input_data,
+   JSAMPARRAY *output_data_ptr);
+EXTERN(void) jsimd_h2v2_fancy_upsample_dspr2
+  (int max_v_samp_factor, JDIMENSION downsampled_width, JSAMPARRAY input_data,
+   JSAMPARRAY *output_data_ptr);
+
+EXTERN(void) jsimd_h2v1_fancy_upsample_mmi
+  (int max_v_samp_factor, JDIMENSION downsampled_width, JSAMPARRAY input_data,
+   JSAMPARRAY *output_data_ptr);
+EXTERN(void) jsimd_h2v2_fancy_upsample_mmi
+  (int max_v_samp_factor, JDIMENSION downsampled_width, JSAMPARRAY input_data,
+   JSAMPARRAY *output_data_ptr);
+
+EXTERN(void) jsimd_h2v1_fancy_upsample_altivec
+  (int max_v_samp_factor, JDIMENSION downsampled_width, JSAMPARRAY input_data,
+   JSAMPARRAY *output_data_ptr);
+EXTERN(void) jsimd_h2v2_fancy_upsample_altivec
+  (int max_v_samp_factor, JDIMENSION downsampled_width, JSAMPARRAY input_data,
+   JSAMPARRAY *output_data_ptr);
+
+/* Merged Upsampling */
+EXTERN(void) jsimd_h2v1_merged_upsample_mmx
+  (JDIMENSION output_width, JSAMPIMAGE input_buf, JDIMENSION in_row_group_ctr,
+   JSAMPARRAY output_buf);
+EXTERN(void) jsimd_h2v1_extrgb_merged_upsample_mmx
+  (JDIMENSION output_width, JSAMPIMAGE input_buf, JDIMENSION in_row_group_ctr,
+   JSAMPARRAY output_buf);
+EXTERN(void) jsimd_h2v1_extrgbx_merged_upsample_mmx
+  (JDIMENSION output_width, JSAMPIMAGE input_buf, JDIMENSION in_row_group_ctr,
+   JSAMPARRAY output_buf);
+EXTERN(void) jsimd_h2v1_extbgr_merged_upsample_mmx
+  (JDIMENSION output_width, JSAMPIMAGE input_buf, JDIMENSION in_row_group_ctr,
+   JSAMPARRAY output_buf);
+EXTERN(void) jsimd_h2v1_extbgrx_merged_upsample_mmx
+  (JDIMENSION output_width, JSAMPIMAGE input_buf, JDIMENSION in_row_group_ctr,
+   JSAMPARRAY output_buf);
+EXTERN(void) jsimd_h2v1_extxbgr_merged_upsample_mmx
+  (JDIMENSION output_width, JSAMPIMAGE input_buf, JDIMENSION in_row_group_ctr,
+   JSAMPARRAY output_buf);
+EXTERN(void) jsimd_h2v1_extxrgb_merged_upsample_mmx
+  (JDIMENSION output_width, JSAMPIMAGE input_buf, JDIMENSION in_row_group_ctr,
+   JSAMPARRAY output_buf);
+
+EXTERN(void) jsimd_h2v2_merged_upsample_mmx
+  (JDIMENSION output_width, JSAMPIMAGE input_buf, JDIMENSION in_row_group_ctr,
+   JSAMPARRAY output_buf);
+EXTERN(void) jsimd_h2v2_extrgb_merged_upsample_mmx
+  (JDIMENSION output_width, JSAMPIMAGE input_buf, JDIMENSION in_row_group_ctr,
+   JSAMPARRAY output_buf);
+EXTERN(void) jsimd_h2v2_extrgbx_merged_upsample_mmx
+  (JDIMENSION output_width, JSAMPIMAGE input_buf, JDIMENSION in_row_group_ctr,
+   JSAMPARRAY output_buf);
+EXTERN(void) jsimd_h2v2_extbgr_merged_upsample_mmx
+  (JDIMENSION output_width, JSAMPIMAGE input_buf, JDIMENSION in_row_group_ctr,
+   JSAMPARRAY output_buf);
+EXTERN(void) jsimd_h2v2_extbgrx_merged_upsample_mmx
+  (JDIMENSION output_width, JSAMPIMAGE input_buf, JDIMENSION in_row_group_ctr,
+   JSAMPARRAY output_buf);
+EXTERN(void) jsimd_h2v2_extxbgr_merged_upsample_mmx
+  (JDIMENSION output_width, JSAMPIMAGE input_buf, JDIMENSION in_row_group_ctr,
+   JSAMPARRAY output_buf);
+EXTERN(void) jsimd_h2v2_extxrgb_merged_upsample_mmx
+  (JDIMENSION output_width, JSAMPIMAGE input_buf, JDIMENSION in_row_group_ctr,
+   JSAMPARRAY output_buf);
+
+extern const int jconst_merged_upsample_sse2[];
+EXTERN(void) jsimd_h2v1_merged_upsample_sse2
+  (JDIMENSION output_width, JSAMPIMAGE input_buf, JDIMENSION in_row_group_ctr,
+   JSAMPARRAY output_buf);
+EXTERN(void) jsimd_h2v1_extrgb_merged_upsample_sse2
+  (JDIMENSION output_width, JSAMPIMAGE input_buf, JDIMENSION in_row_group_ctr,
+   JSAMPARRAY output_buf);
+EXTERN(void) jsimd_h2v1_extrgbx_merged_upsample_sse2
+  (JDIMENSION output_width, JSAMPIMAGE input_buf, JDIMENSION in_row_group_ctr,
+   JSAMPARRAY output_buf);
+EXTERN(void) jsimd_h2v1_extbgr_merged_upsample_sse2
+  (JDIMENSION output_width, JSAMPIMAGE input_buf, JDIMENSION in_row_group_ctr,
+   JSAMPARRAY output_buf);
+EXTERN(void) jsimd_h2v1_extbgrx_merged_upsample_sse2
+  (JDIMENSION output_width, JSAMPIMAGE input_buf, JDIMENSION in_row_group_ctr,
+   JSAMPARRAY output_buf);
+EXTERN(void) jsimd_h2v1_extxbgr_merged_upsample_sse2
+  (JDIMENSION output_width, JSAMPIMAGE input_buf, JDIMENSION in_row_group_ctr,
+   JSAMPARRAY output_buf);
+EXTERN(void) jsimd_h2v1_extxrgb_merged_upsample_sse2
+  (JDIMENSION output_width, JSAMPIMAGE input_buf, JDIMENSION in_row_group_ctr,
+   JSAMPARRAY output_buf);
+
+EXTERN(void) jsimd_h2v2_merged_upsample_sse2
+  (JDIMENSION output_width, JSAMPIMAGE input_buf, JDIMENSION in_row_group_ctr,
+   JSAMPARRAY output_buf);
+EXTERN(void) jsimd_h2v2_extrgb_merged_upsample_sse2
+  (JDIMENSION output_width, JSAMPIMAGE input_buf, JDIMENSION in_row_group_ctr,
+   JSAMPARRAY output_buf);
+EXTERN(void) jsimd_h2v2_extrgbx_merged_upsample_sse2
+  (JDIMENSION output_width, JSAMPIMAGE input_buf, JDIMENSION in_row_group_ctr,
+   JSAMPARRAY output_buf);
+EXTERN(void) jsimd_h2v2_extbgr_merged_upsample_sse2
+  (JDIMENSION output_width, JSAMPIMAGE input_buf, JDIMENSION in_row_group_ctr,
+   JSAMPARRAY output_buf);
+EXTERN(void) jsimd_h2v2_extbgrx_merged_upsample_sse2
+  (JDIMENSION output_width, JSAMPIMAGE input_buf, JDIMENSION in_row_group_ctr,
+   JSAMPARRAY output_buf);
+EXTERN(void) jsimd_h2v2_extxbgr_merged_upsample_sse2
+  (JDIMENSION output_width, JSAMPIMAGE input_buf, JDIMENSION in_row_group_ctr,
+   JSAMPARRAY output_buf);
+EXTERN(void) jsimd_h2v2_extxrgb_merged_upsample_sse2
+  (JDIMENSION output_width, JSAMPIMAGE input_buf, JDIMENSION in_row_group_ctr,
+   JSAMPARRAY output_buf);
+
+extern const int jconst_merged_upsample_avx2[];
+EXTERN(void) jsimd_h2v1_merged_upsample_avx2
+  (JDIMENSION output_width, JSAMPIMAGE input_buf, JDIMENSION in_row_group_ctr,
+   JSAMPARRAY output_buf);
+EXTERN(void) jsimd_h2v1_extrgb_merged_upsample_avx2
+  (JDIMENSION output_width, JSAMPIMAGE input_buf, JDIMENSION in_row_group_ctr,
+   JSAMPARRAY output_buf);
+EXTERN(void) jsimd_h2v1_extrgbx_merged_upsample_avx2
+  (JDIMENSION output_width, JSAMPIMAGE input_buf, JDIMENSION in_row_group_ctr,
+   JSAMPARRAY output_buf);
+EXTERN(void) jsimd_h2v1_extbgr_merged_upsample_avx2
+  (JDIMENSION output_width, JSAMPIMAGE input_buf, JDIMENSION in_row_group_ctr,
+   JSAMPARRAY output_buf);
+EXTERN(void) jsimd_h2v1_extbgrx_merged_upsample_avx2
+  (JDIMENSION output_width, JSAMPIMAGE input_buf, JDIMENSION in_row_group_ctr,
+   JSAMPARRAY output_buf);
+EXTERN(void) jsimd_h2v1_extxbgr_merged_upsample_avx2
+  (JDIMENSION output_width, JSAMPIMAGE input_buf, JDIMENSION in_row_group_ctr,
+   JSAMPARRAY output_buf);
+EXTERN(void) jsimd_h2v1_extxrgb_merged_upsample_avx2
+  (JDIMENSION output_width, JSAMPIMAGE input_buf, JDIMENSION in_row_group_ctr,
+   JSAMPARRAY output_buf);
+
+EXTERN(void) jsimd_h2v2_merged_upsample_avx2
+  (JDIMENSION output_width, JSAMPIMAGE input_buf, JDIMENSION in_row_group_ctr,
+   JSAMPARRAY output_buf);
+EXTERN(void) jsimd_h2v2_extrgb_merged_upsample_avx2
+  (JDIMENSION output_width, JSAMPIMAGE input_buf, JDIMENSION in_row_group_ctr,
+   JSAMPARRAY output_buf);
+EXTERN(void) jsimd_h2v2_extrgbx_merged_upsample_avx2
+  (JDIMENSION output_width, JSAMPIMAGE input_buf, JDIMENSION in_row_group_ctr,
+   JSAMPARRAY output_buf);
+EXTERN(void) jsimd_h2v2_extbgr_merged_upsample_avx2
+  (JDIMENSION output_width, JSAMPIMAGE input_buf, JDIMENSION in_row_group_ctr,
+   JSAMPARRAY output_buf);
+EXTERN(void) jsimd_h2v2_extbgrx_merged_upsample_avx2
+  (JDIMENSION output_width, JSAMPIMAGE input_buf, JDIMENSION in_row_group_ctr,
+   JSAMPARRAY output_buf);
+EXTERN(void) jsimd_h2v2_extxbgr_merged_upsample_avx2
+  (JDIMENSION output_width, JSAMPIMAGE input_buf, JDIMENSION in_row_group_ctr,
+   JSAMPARRAY output_buf);
+EXTERN(void) jsimd_h2v2_extxrgb_merged_upsample_avx2
+  (JDIMENSION output_width, JSAMPIMAGE input_buf, JDIMENSION in_row_group_ctr,
+   JSAMPARRAY output_buf);
+
+EXTERN(void) jsimd_h2v1_merged_upsample_neon
+  (JDIMENSION output_width, JSAMPIMAGE input_buf, JDIMENSION in_row_group_ctr,
+   JSAMPARRAY output_buf);
+EXTERN(void) jsimd_h2v1_extrgb_merged_upsample_neon
+  (JDIMENSION output_width, JSAMPIMAGE input_buf, JDIMENSION in_row_group_ctr,
+   JSAMPARRAY output_buf);
+EXTERN(void) jsimd_h2v1_extrgbx_merged_upsample_neon
+  (JDIMENSION output_width, JSAMPIMAGE input_buf, JDIMENSION in_row_group_ctr,
+   JSAMPARRAY output_buf);
+EXTERN(void) jsimd_h2v1_extbgr_merged_upsample_neon
+  (JDIMENSION output_width, JSAMPIMAGE input_buf, JDIMENSION in_row_group_ctr,
+   JSAMPARRAY output_buf);
+EXTERN(void) jsimd_h2v1_extbgrx_merged_upsample_neon
+  (JDIMENSION output_width, JSAMPIMAGE input_buf, JDIMENSION in_row_group_ctr,
+   JSAMPARRAY output_buf);
+EXTERN(void) jsimd_h2v1_extxbgr_merged_upsample_neon
+  (JDIMENSION output_width, JSAMPIMAGE input_buf, JDIMENSION in_row_group_ctr,
+   JSAMPARRAY output_buf);
+EXTERN(void) jsimd_h2v1_extxrgb_merged_upsample_neon
+  (JDIMENSION output_width, JSAMPIMAGE input_buf, JDIMENSION in_row_group_ctr,
+   JSAMPARRAY output_buf);
+
+EXTERN(void) jsimd_h2v2_merged_upsample_neon
+  (JDIMENSION output_width, JSAMPIMAGE input_buf, JDIMENSION in_row_group_ctr,
+   JSAMPARRAY output_buf);
+EXTERN(void) jsimd_h2v2_extrgb_merged_upsample_neon
+  (JDIMENSION output_width, JSAMPIMAGE input_buf, JDIMENSION in_row_group_ctr,
+   JSAMPARRAY output_buf);
+EXTERN(void) jsimd_h2v2_extrgbx_merged_upsample_neon
+  (JDIMENSION output_width, JSAMPIMAGE input_buf, JDIMENSION in_row_group_ctr,
+   JSAMPARRAY output_buf);
+EXTERN(void) jsimd_h2v2_extbgr_merged_upsample_neon
+  (JDIMENSION output_width, JSAMPIMAGE input_buf, JDIMENSION in_row_group_ctr,
+   JSAMPARRAY output_buf);
+EXTERN(void) jsimd_h2v2_extbgrx_merged_upsample_neon
+  (JDIMENSION output_width, JSAMPIMAGE input_buf, JDIMENSION in_row_group_ctr,
+   JSAMPARRAY output_buf);
+EXTERN(void) jsimd_h2v2_extxbgr_merged_upsample_neon
+  (JDIMENSION output_width, JSAMPIMAGE input_buf, JDIMENSION in_row_group_ctr,
+   JSAMPARRAY output_buf);
+EXTERN(void) jsimd_h2v2_extxrgb_merged_upsample_neon
+  (JDIMENSION output_width, JSAMPIMAGE input_buf, JDIMENSION in_row_group_ctr,
+   JSAMPARRAY output_buf);
+
+EXTERN(void) jsimd_h2v1_merged_upsample_dspr2
+  (JDIMENSION output_width, JSAMPIMAGE input_buf, JDIMENSION in_row_group_ctr,
+   JSAMPARRAY output_buf, JSAMPLE *range);
+EXTERN(void) jsimd_h2v1_extrgb_merged_upsample_dspr2
+  (JDIMENSION output_width, JSAMPIMAGE input_buf, JDIMENSION in_row_group_ctr,
+   JSAMPARRAY output_buf, JSAMPLE *range);
+EXTERN(void) jsimd_h2v1_extrgbx_merged_upsample_dspr2
+  (JDIMENSION output_width, JSAMPIMAGE input_buf, JDIMENSION in_row_group_ctr,
+   JSAMPARRAY output_buf, JSAMPLE *range);
+EXTERN(void) jsimd_h2v1_extbgr_merged_upsample_dspr2
+  (JDIMENSION output_width, JSAMPIMAGE input_buf, JDIMENSION in_row_group_ctr,
+   JSAMPARRAY output_buf, JSAMPLE *range);
+EXTERN(void) jsimd_h2v1_extbgrx_merged_upsample_dspr2
+  (JDIMENSION output_width, JSAMPIMAGE input_buf, JDIMENSION in_row_group_ctr,
+   JSAMPARRAY output_buf, JSAMPLE *range);
+EXTERN(void) jsimd_h2v1_extxbgr_merged_upsample_dspr2
+  (JDIMENSION output_width, JSAMPIMAGE input_buf, JDIMENSION in_row_group_ctr,
+   JSAMPARRAY output_buf, JSAMPLE *range);
+EXTERN(void) jsimd_h2v1_extxrgb_merged_upsample_dspr2
+  (JDIMENSION output_width, JSAMPIMAGE input_buf, JDIMENSION in_row_group_ctr,
+   JSAMPARRAY output_buf, JSAMPLE *range);
+
+EXTERN(void) jsimd_h2v2_merged_upsample_dspr2
+  (JDIMENSION output_width, JSAMPIMAGE input_buf, JDIMENSION in_row_group_ctr,
+   JSAMPARRAY output_buf, JSAMPLE *range);
+EXTERN(void) jsimd_h2v2_extrgb_merged_upsample_dspr2
+  (JDIMENSION output_width, JSAMPIMAGE input_buf, JDIMENSION in_row_group_ctr,
+   JSAMPARRAY output_buf, JSAMPLE *range);
+EXTERN(void) jsimd_h2v2_extrgbx_merged_upsample_dspr2
+  (JDIMENSION output_width, JSAMPIMAGE input_buf, JDIMENSION in_row_group_ctr,
+   JSAMPARRAY output_buf, JSAMPLE *range);
+EXTERN(void) jsimd_h2v2_extbgr_merged_upsample_dspr2
+  (JDIMENSION output_width, JSAMPIMAGE input_buf, JDIMENSION in_row_group_ctr,
+   JSAMPARRAY output_buf, JSAMPLE *range);
+EXTERN(void) jsimd_h2v2_extbgrx_merged_upsample_dspr2
+  (JDIMENSION output_width, JSAMPIMAGE input_buf, JDIMENSION in_row_group_ctr,
+   JSAMPARRAY output_buf, JSAMPLE *range);
+EXTERN(void) jsimd_h2v2_extxbgr_merged_upsample_dspr2
+  (JDIMENSION output_width, JSAMPIMAGE input_buf, JDIMENSION in_row_group_ctr,
+   JSAMPARRAY output_buf, JSAMPLE *range);
+EXTERN(void) jsimd_h2v2_extxrgb_merged_upsample_dspr2
+  (JDIMENSION output_width, JSAMPIMAGE input_buf, JDIMENSION in_row_group_ctr,
+   JSAMPARRAY output_buf, JSAMPLE *range);
+
+EXTERN(void) jsimd_h2v1_merged_upsample_mmi
+  (JDIMENSION output_width, JSAMPIMAGE input_buf, JDIMENSION in_row_group_ctr,
+   JSAMPARRAY output_buf);
+EXTERN(void) jsimd_h2v1_extrgb_merged_upsample_mmi
+  (JDIMENSION output_width, JSAMPIMAGE input_buf, JDIMENSION in_row_group_ctr,
+   JSAMPARRAY output_buf);
+EXTERN(void) jsimd_h2v1_extrgbx_merged_upsample_mmi
+  (JDIMENSION output_width, JSAMPIMAGE input_buf, JDIMENSION in_row_group_ctr,
+   JSAMPARRAY output_buf);
+EXTERN(void) jsimd_h2v1_extbgr_merged_upsample_mmi
+  (JDIMENSION output_width, JSAMPIMAGE input_buf, JDIMENSION in_row_group_ctr,
+   JSAMPARRAY output_buf);
+EXTERN(void) jsimd_h2v1_extbgrx_merged_upsample_mmi
+  (JDIMENSION output_width, JSAMPIMAGE input_buf, JDIMENSION in_row_group_ctr,
+   JSAMPARRAY output_buf);
+EXTERN(void) jsimd_h2v1_extxbgr_merged_upsample_mmi
+  (JDIMENSION output_width, JSAMPIMAGE input_buf, JDIMENSION in_row_group_ctr,
+   JSAMPARRAY output_buf);
+EXTERN(void) jsimd_h2v1_extxrgb_merged_upsample_mmi
+  (JDIMENSION output_width, JSAMPIMAGE input_buf, JDIMENSION in_row_group_ctr,
+   JSAMPARRAY output_buf);
+
+EXTERN(void) jsimd_h2v2_merged_upsample_mmi
+  (JDIMENSION output_width, JSAMPIMAGE input_buf, JDIMENSION in_row_group_ctr,
+   JSAMPARRAY output_buf);
+EXTERN(void) jsimd_h2v2_extrgb_merged_upsample_mmi
+  (JDIMENSION output_width, JSAMPIMAGE input_buf, JDIMENSION in_row_group_ctr,
+   JSAMPARRAY output_buf);
+EXTERN(void) jsimd_h2v2_extrgbx_merged_upsample_mmi
+  (JDIMENSION output_width, JSAMPIMAGE input_buf, JDIMENSION in_row_group_ctr,
+   JSAMPARRAY output_buf);
+EXTERN(void) jsimd_h2v2_extbgr_merged_upsample_mmi
+  (JDIMENSION output_width, JSAMPIMAGE input_buf, JDIMENSION in_row_group_ctr,
+   JSAMPARRAY output_buf);
+EXTERN(void) jsimd_h2v2_extbgrx_merged_upsample_mmi
+  (JDIMENSION output_width, JSAMPIMAGE input_buf, JDIMENSION in_row_group_ctr,
+   JSAMPARRAY output_buf);
+EXTERN(void) jsimd_h2v2_extxbgr_merged_upsample_mmi
+  (JDIMENSION output_width, JSAMPIMAGE input_buf, JDIMENSION in_row_group_ctr,
+   JSAMPARRAY output_buf);
+EXTERN(void) jsimd_h2v2_extxrgb_merged_upsample_mmi
+  (JDIMENSION output_width, JSAMPIMAGE input_buf, JDIMENSION in_row_group_ctr,
+   JSAMPARRAY output_buf);
+
+EXTERN(void) jsimd_h2v1_merged_upsample_altivec
+  (JDIMENSION output_width, JSAMPIMAGE input_buf, JDIMENSION in_row_group_ctr,
+   JSAMPARRAY output_buf);
+EXTERN(void) jsimd_h2v1_extrgb_merged_upsample_altivec
+  (JDIMENSION output_width, JSAMPIMAGE input_buf, JDIMENSION in_row_group_ctr,
+   JSAMPARRAY output_buf);
+EXTERN(void) jsimd_h2v1_extrgbx_merged_upsample_altivec
+  (JDIMENSION output_width, JSAMPIMAGE input_buf, JDIMENSION in_row_group_ctr,
+   JSAMPARRAY output_buf);
+EXTERN(void) jsimd_h2v1_extbgr_merged_upsample_altivec
+  (JDIMENSION output_width, JSAMPIMAGE input_buf, JDIMENSION in_row_group_ctr,
+   JSAMPARRAY output_buf);
+EXTERN(void) jsimd_h2v1_extbgrx_merged_upsample_altivec
+  (JDIMENSION output_width, JSAMPIMAGE input_buf, JDIMENSION in_row_group_ctr,
+   JSAMPARRAY output_buf);
+EXTERN(void) jsimd_h2v1_extxbgr_merged_upsample_altivec
+  (JDIMENSION output_width, JSAMPIMAGE input_buf, JDIMENSION in_row_group_ctr,
+   JSAMPARRAY output_buf);
+EXTERN(void) jsimd_h2v1_extxrgb_merged_upsample_altivec
+  (JDIMENSION output_width, JSAMPIMAGE input_buf, JDIMENSION in_row_group_ctr,
+   JSAMPARRAY output_buf);
+
+EXTERN(void) jsimd_h2v2_merged_upsample_altivec
+  (JDIMENSION output_width, JSAMPIMAGE input_buf, JDIMENSION in_row_group_ctr,
+   JSAMPARRAY output_buf);
+EXTERN(void) jsimd_h2v2_extrgb_merged_upsample_altivec
+  (JDIMENSION output_width, JSAMPIMAGE input_buf, JDIMENSION in_row_group_ctr,
+   JSAMPARRAY output_buf);
+EXTERN(void) jsimd_h2v2_extrgbx_merged_upsample_altivec
+  (JDIMENSION output_width, JSAMPIMAGE input_buf, JDIMENSION in_row_group_ctr,
+   JSAMPARRAY output_buf);
+EXTERN(void) jsimd_h2v2_extbgr_merged_upsample_altivec
+  (JDIMENSION output_width, JSAMPIMAGE input_buf, JDIMENSION in_row_group_ctr,
+   JSAMPARRAY output_buf);
+EXTERN(void) jsimd_h2v2_extbgrx_merged_upsample_altivec
+  (JDIMENSION output_width, JSAMPIMAGE input_buf, JDIMENSION in_row_group_ctr,
+   JSAMPARRAY output_buf);
+EXTERN(void) jsimd_h2v2_extxbgr_merged_upsample_altivec
+  (JDIMENSION output_width, JSAMPIMAGE input_buf, JDIMENSION in_row_group_ctr,
+   JSAMPARRAY output_buf);
+EXTERN(void) jsimd_h2v2_extxrgb_merged_upsample_altivec
+  (JDIMENSION output_width, JSAMPIMAGE input_buf, JDIMENSION in_row_group_ctr,
+   JSAMPARRAY output_buf);
+
+/* Sample Conversion */
+EXTERN(void) jsimd_convsamp_mmx
+  (JSAMPARRAY sample_data, JDIMENSION start_col, DCTELEM *workspace);
+
+EXTERN(void) jsimd_convsamp_sse2
+  (JSAMPARRAY sample_data, JDIMENSION start_col, DCTELEM *workspace);
+
+EXTERN(void) jsimd_convsamp_avx2
+  (JSAMPARRAY sample_data, JDIMENSION start_col, DCTELEM *workspace);
+
+EXTERN(void) jsimd_convsamp_neon
+  (JSAMPARRAY sample_data, JDIMENSION start_col, DCTELEM *workspace);
+
+EXTERN(void) jsimd_convsamp_dspr2
+  (JSAMPARRAY sample_data, JDIMENSION start_col, DCTELEM *workspace);
+
+EXTERN(void) jsimd_convsamp_altivec
+  (JSAMPARRAY sample_data, JDIMENSION start_col, DCTELEM *workspace);
+
+/* Floating Point Sample Conversion */
+EXTERN(void) jsimd_convsamp_float_3dnow
+  (JSAMPARRAY sample_data, JDIMENSION start_col, FAST_FLOAT *workspace);
+
+EXTERN(void) jsimd_convsamp_float_sse
+  (JSAMPARRAY sample_data, JDIMENSION start_col, FAST_FLOAT *workspace);
+
+EXTERN(void) jsimd_convsamp_float_sse2
+  (JSAMPARRAY sample_data, JDIMENSION start_col, FAST_FLOAT *workspace);
+
+EXTERN(void) jsimd_convsamp_float_dspr2
+  (JSAMPARRAY sample_data, JDIMENSION start_col, FAST_FLOAT *workspace);
+
+/* Accurate Integer Forward DCT */
+EXTERN(void) jsimd_fdct_islow_mmx(DCTELEM *data);
+
+extern const int jconst_fdct_islow_sse2[];
+EXTERN(void) jsimd_fdct_islow_sse2(DCTELEM *data);
+
+extern const int jconst_fdct_islow_avx2[];
+EXTERN(void) jsimd_fdct_islow_avx2(DCTELEM *data);
+
+EXTERN(void) jsimd_fdct_islow_neon(DCTELEM *data);
+
+EXTERN(void) jsimd_fdct_islow_dspr2(DCTELEM *data);
+
+EXTERN(void) jsimd_fdct_islow_mmi(DCTELEM *data);
+
+EXTERN(void) jsimd_fdct_islow_altivec(DCTELEM *data);
+
+/* Fast Integer Forward DCT */
+EXTERN(void) jsimd_fdct_ifast_mmx(DCTELEM *data);
+
+extern const int jconst_fdct_ifast_sse2[];
+EXTERN(void) jsimd_fdct_ifast_sse2(DCTELEM *data);
+
+EXTERN(void) jsimd_fdct_ifast_neon(DCTELEM *data);
+
+EXTERN(void) jsimd_fdct_ifast_dspr2(DCTELEM *data);
+
+EXTERN(void) jsimd_fdct_ifast_mmi(DCTELEM *data);
+
+EXTERN(void) jsimd_fdct_ifast_altivec(DCTELEM *data);
+
+/* Floating Point Forward DCT */
+EXTERN(void) jsimd_fdct_float_3dnow(FAST_FLOAT *data);
+
+extern const int jconst_fdct_float_sse[];
+EXTERN(void) jsimd_fdct_float_sse(FAST_FLOAT *data);
+
+/* Quantization */
+EXTERN(void) jsimd_quantize_mmx
+  (JCOEFPTR coef_block, DCTELEM *divisors, DCTELEM *workspace);
+
+EXTERN(void) jsimd_quantize_sse2
+  (JCOEFPTR coef_block, DCTELEM *divisors, DCTELEM *workspace);
+
+EXTERN(void) jsimd_quantize_avx2
+  (JCOEFPTR coef_block, DCTELEM *divisors, DCTELEM *workspace);
+
+EXTERN(void) jsimd_quantize_neon
+  (JCOEFPTR coef_block, DCTELEM *divisors, DCTELEM *workspace);
+
+EXTERN(void) jsimd_quantize_dspr2
+  (JCOEFPTR coef_block, DCTELEM *divisors, DCTELEM *workspace);
+
+EXTERN(void) jsimd_quantize_mmi
+  (JCOEFPTR coef_block, DCTELEM *divisors, DCTELEM *workspace);
+
+EXTERN(void) jsimd_quantize_altivec
+  (JCOEFPTR coef_block, DCTELEM *divisors, DCTELEM *workspace);
+
+/* Floating Point Quantization */
+EXTERN(void) jsimd_quantize_float_3dnow
+  (JCOEFPTR coef_block, FAST_FLOAT *divisors, FAST_FLOAT *workspace);
+
+EXTERN(void) jsimd_quantize_float_sse
+  (JCOEFPTR coef_block, FAST_FLOAT *divisors, FAST_FLOAT *workspace);
+
+EXTERN(void) jsimd_quantize_float_sse2
+  (JCOEFPTR coef_block, FAST_FLOAT *divisors, FAST_FLOAT *workspace);
+
+EXTERN(void) jsimd_quantize_float_dspr2
+  (JCOEFPTR coef_block, FAST_FLOAT *divisors, FAST_FLOAT *workspace);
+
+/* Scaled Inverse DCT */
+EXTERN(void) jsimd_idct_2x2_mmx
+  (void *dct_table, JCOEFPTR coef_block, JSAMPARRAY output_buf,
+   JDIMENSION output_col);
+EXTERN(void) jsimd_idct_4x4_mmx
+  (void *dct_table, JCOEFPTR coef_block, JSAMPARRAY output_buf,
+   JDIMENSION output_col);
+
+extern const int jconst_idct_red_sse2[];
+EXTERN(void) jsimd_idct_2x2_sse2
+  (void *dct_table, JCOEFPTR coef_block, JSAMPARRAY output_buf,
+   JDIMENSION output_col);
+EXTERN(void) jsimd_idct_4x4_sse2
+  (void *dct_table, JCOEFPTR coef_block, JSAMPARRAY output_buf,
+   JDIMENSION output_col);
+
+EXTERN(void) jsimd_idct_2x2_neon
+  (void *dct_table, JCOEFPTR coef_block, JSAMPARRAY output_buf,
+   JDIMENSION output_col);
+EXTERN(void) jsimd_idct_4x4_neon
+  (void *dct_table, JCOEFPTR coef_block, JSAMPARRAY output_buf,
+   JDIMENSION output_col);
+
+EXTERN(void) jsimd_idct_2x2_dspr2
+  (void *dct_table, JCOEFPTR coef_block, JSAMPARRAY output_buf,
+   JDIMENSION output_col);
+EXTERN(void) jsimd_idct_4x4_dspr2
+  (void *dct_table, JCOEFPTR coef_block, JSAMPARRAY output_buf,
+   JDIMENSION output_col, int *workspace);
+EXTERN(void) jsimd_idct_6x6_dspr2
+  (void *dct_table, JCOEFPTR coef_block, JSAMPARRAY output_buf,
+   JDIMENSION output_col);
+EXTERN(void) jsimd_idct_12x12_pass1_dspr2
+  (JCOEFPTR coef_block, void *dct_table, int *workspace);
+EXTERN(void) jsimd_idct_12x12_pass2_dspr2
+  (int *workspace, int *output);
+
+/* Accurate Integer Inverse DCT */
+EXTERN(void) jsimd_idct_islow_mmx
+  (void *dct_table, JCOEFPTR coef_block, JSAMPARRAY output_buf,
+   JDIMENSION output_col);
+
+extern const int jconst_idct_islow_sse2[];
+EXTERN(void) jsimd_idct_islow_sse2
+  (void *dct_table, JCOEFPTR coef_block, JSAMPARRAY output_buf,
+   JDIMENSION output_col);
+
+extern const int jconst_idct_islow_avx2[];
+EXTERN(void) jsimd_idct_islow_avx2
+  (void *dct_table, JCOEFPTR coef_block, JSAMPARRAY output_buf,
+   JDIMENSION output_col);
+
+EXTERN(void) jsimd_idct_islow_neon
+  (void *dct_table, JCOEFPTR coef_block, JSAMPARRAY output_buf,
+   JDIMENSION output_col);
+
+EXTERN(void) jsimd_idct_islow_dspr2
+  (void *dct_table, JCOEFPTR coef_block, int *output_buf, JSAMPLE *output_col);
+
+EXTERN(void) jsimd_idct_islow_mmi
+  (void *dct_table, JCOEFPTR coef_block, JSAMPARRAY output_buf,
+   JDIMENSION output_col);
+
+EXTERN(void) jsimd_idct_islow_altivec
+  (void *dct_table, JCOEFPTR coef_block, JSAMPARRAY output_buf,
+   JDIMENSION output_col);
+
+/* Fast Integer Inverse DCT */
+EXTERN(void) jsimd_idct_ifast_mmx
+  (void *dct_table, JCOEFPTR coef_block, JSAMPARRAY output_buf,
+   JDIMENSION output_col);
+
+extern const int jconst_idct_ifast_sse2[];
+EXTERN(void) jsimd_idct_ifast_sse2
+  (void *dct_table, JCOEFPTR coef_block, JSAMPARRAY output_buf,
+   JDIMENSION output_col);
+
+EXTERN(void) jsimd_idct_ifast_neon
+  (void *dct_table, JCOEFPTR coef_block, JSAMPARRAY output_buf,
+   JDIMENSION output_col);
+
+EXTERN(void) jsimd_idct_ifast_cols_dspr2
+  (JCOEF *inptr, IFAST_MULT_TYPE *quantptr, DCTELEM *wsptr,
+   const int *idct_coefs);
+EXTERN(void) jsimd_idct_ifast_rows_dspr2
+  (DCTELEM *wsptr, JSAMPARRAY output_buf, JDIMENSION output_col,
+   const int *idct_coefs);
+
+EXTERN(void) jsimd_idct_ifast_mmi
+  (void *dct_table, JCOEFPTR coef_block, JSAMPARRAY output_buf,
+   JDIMENSION output_col);
+
+EXTERN(void) jsimd_idct_ifast_altivec
+  (void *dct_table, JCOEFPTR coef_block, JSAMPARRAY output_buf,
+   JDIMENSION output_col);
+
+/* Floating Point Inverse DCT */
+EXTERN(void) jsimd_idct_float_3dnow
+  (void *dct_table, JCOEFPTR coef_block, JSAMPARRAY output_buf,
+   JDIMENSION output_col);
+
+extern const int jconst_idct_float_sse[];
+EXTERN(void) jsimd_idct_float_sse
+  (void *dct_table, JCOEFPTR coef_block, JSAMPARRAY output_buf,
+   JDIMENSION output_col);
+
+extern const int jconst_idct_float_sse2[];
+EXTERN(void) jsimd_idct_float_sse2
+  (void *dct_table, JCOEFPTR coef_block, JSAMPARRAY output_buf,
+   JDIMENSION output_col);
+
+/* Huffman coding */
+extern const int jconst_huff_encode_one_block[];
+EXTERN(JOCTET *) jsimd_huff_encode_one_block_sse2
+  (void *state, JOCTET *buffer, JCOEFPTR block, int last_dc_val,
+   c_derived_tbl *dctbl, c_derived_tbl *actbl);
+
+EXTERN(JOCTET *) jsimd_huff_encode_one_block_neon
+  (void *state, JOCTET *buffer, JCOEFPTR block, int last_dc_val,
+   c_derived_tbl *dctbl, c_derived_tbl *actbl);
+
+#ifndef NEON_INTRINSICS
+
+EXTERN(JOCTET *) jsimd_huff_encode_one_block_neon_slowtbl
+  (void *state, JOCTET *buffer, JCOEFPTR block, int last_dc_val,
+   c_derived_tbl *dctbl, c_derived_tbl *actbl);
+
+#endif
+
+/* Progressive Huffman encoding */
+EXTERN(void) jsimd_encode_mcu_AC_first_prepare_sse2
+  (const JCOEF *block, const int *jpeg_natural_order_start, int Sl, int Al,
+   UJCOEF *values, size_t *zerobits);
+
+EXTERN(void) jsimd_encode_mcu_AC_first_prepare_neon
+  (const JCOEF *block, const int *jpeg_natural_order_start, int Sl, int Al,
+   UJCOEF *values, size_t *zerobits);
+
+EXTERN(int) jsimd_encode_mcu_AC_refine_prepare_sse2
+  (const JCOEF *block, const int *jpeg_natural_order_start, int Sl, int Al,
+   UJCOEF *absvalues, size_t *bits);
+
+EXTERN(int) jsimd_encode_mcu_AC_refine_prepare_neon
+  (const JCOEF *block, const int *jpeg_natural_order_start, int Sl, int Al,
+   UJCOEF *absvalues, size_t *bits);