611 lines
12 KiB
C
611 lines
12 KiB
C
/*
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* jsimd_loongson.c
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*
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* Copyright 2009 Pierre Ossman <ossman@cendio.se> for Cendio AB
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* Copyright (C) 2009-2011, 2014, 2016, 2018, D. R. Commander.
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* Copyright (C) 2013-2014, MIPS Technologies, Inc., California.
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* Copyright (C) 2015, 2018, Matthieu Darbois.
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* Copyright (C) 2016-2017, Loongson Technology Corporation Limited, BeiJing.
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*
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* Based on the x86 SIMD extension for IJG JPEG library,
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* Copyright (C) 1999-2006, MIYASAKA Masaru.
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* For conditions of distribution and use, see copyright notice in jsimdext.inc
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*
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* This file contains the interface between the "normal" portions
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* of the library and the SIMD implementations when running on a
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* Loongson architecture.
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*/
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#define JPEG_INTERNALS
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#include "../../jinclude.h"
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#include "../../jpeglib.h"
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#include "../../jsimd.h"
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#include "../../jdct.h"
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#include "../../jsimddct.h"
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#include "../jsimd.h"
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static unsigned int simd_support = ~0;
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/*
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* Check what SIMD accelerations are supported.
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*
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* FIXME: This code is racy under a multi-threaded environment.
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*/
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LOCAL(void)
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init_simd(void)
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{
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#ifndef NO_GETENV
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char *env = NULL;
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#endif
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if (simd_support != ~0U)
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return;
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simd_support |= JSIMD_MMI;
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#ifndef NO_GETENV
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/* Force different settings through environment variables */
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env = getenv("JSIMD_FORCENONE");
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if ((env != NULL) && (strcmp(env, "1") == 0))
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simd_support = 0;
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#endif
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}
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GLOBAL(int)
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jsimd_can_rgb_ycc(void)
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{
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init_simd();
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/* The code is optimised for these values only */
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if (BITS_IN_JSAMPLE != 8)
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return 0;
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if (sizeof(JDIMENSION) != 4)
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return 0;
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if ((RGB_PIXELSIZE != 3) && (RGB_PIXELSIZE != 4))
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return 0;
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if (simd_support & JSIMD_MMI)
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return 1;
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return 0;
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}
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GLOBAL(int)
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jsimd_can_rgb_gray(void)
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{
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return 0;
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}
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GLOBAL(int)
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jsimd_can_ycc_rgb(void)
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{
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init_simd();
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/* The code is optimised for these values only */
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if (BITS_IN_JSAMPLE != 8)
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return 0;
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if (sizeof(JDIMENSION) != 4)
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return 0;
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if ((RGB_PIXELSIZE != 3) && (RGB_PIXELSIZE != 4))
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return 0;
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if (simd_support & JSIMD_MMI)
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return 1;
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return 0;
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}
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GLOBAL(int)
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jsimd_can_ycc_rgb565(void)
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{
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return 0;
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}
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GLOBAL(int)
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jsimd_c_can_null_convert(void)
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{
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return 0;
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}
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GLOBAL(void)
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jsimd_rgb_ycc_convert(j_compress_ptr cinfo, JSAMPARRAY input_buf,
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JSAMPIMAGE output_buf, JDIMENSION output_row,
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int num_rows)
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{
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void (*mmifct) (JDIMENSION, JSAMPARRAY, JSAMPIMAGE, JDIMENSION, int);
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switch (cinfo->in_color_space) {
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case JCS_EXT_RGB:
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mmifct = jsimd_extrgb_ycc_convert_mmi;
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break;
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case JCS_EXT_RGBX:
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case JCS_EXT_RGBA:
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mmifct = jsimd_extrgbx_ycc_convert_mmi;
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break;
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case JCS_EXT_BGR:
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mmifct = jsimd_extbgr_ycc_convert_mmi;
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break;
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case JCS_EXT_BGRX:
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case JCS_EXT_BGRA:
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mmifct = jsimd_extbgrx_ycc_convert_mmi;
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break;
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case JCS_EXT_XBGR:
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case JCS_EXT_ABGR:
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mmifct = jsimd_extxbgr_ycc_convert_mmi;
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break;
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case JCS_EXT_XRGB:
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case JCS_EXT_ARGB:
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mmifct = jsimd_extxrgb_ycc_convert_mmi;
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break;
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default:
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mmifct = jsimd_rgb_ycc_convert_mmi;
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break;
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}
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mmifct(cinfo->image_width, input_buf, output_buf, output_row, num_rows);
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}
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GLOBAL(void)
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jsimd_rgb_gray_convert(j_compress_ptr cinfo, JSAMPARRAY input_buf,
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JSAMPIMAGE output_buf, JDIMENSION output_row,
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int num_rows)
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{
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}
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GLOBAL(void)
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jsimd_ycc_rgb_convert(j_decompress_ptr cinfo, JSAMPIMAGE input_buf,
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JDIMENSION input_row, JSAMPARRAY output_buf,
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int num_rows)
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{
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void (*mmifct) (JDIMENSION, JSAMPIMAGE, JDIMENSION, JSAMPARRAY, int);
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switch (cinfo->out_color_space) {
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case JCS_EXT_RGB:
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mmifct = jsimd_ycc_extrgb_convert_mmi;
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break;
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case JCS_EXT_RGBX:
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case JCS_EXT_RGBA:
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mmifct = jsimd_ycc_extrgbx_convert_mmi;
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break;
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case JCS_EXT_BGR:
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mmifct = jsimd_ycc_extbgr_convert_mmi;
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break;
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case JCS_EXT_BGRX:
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case JCS_EXT_BGRA:
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mmifct = jsimd_ycc_extbgrx_convert_mmi;
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break;
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case JCS_EXT_XBGR:
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case JCS_EXT_ABGR:
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mmifct = jsimd_ycc_extxbgr_convert_mmi;
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break;
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case JCS_EXT_XRGB:
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case JCS_EXT_ARGB:
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mmifct = jsimd_ycc_extxrgb_convert_mmi;
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break;
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default:
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mmifct = jsimd_ycc_rgb_convert_mmi;
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break;
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}
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mmifct(cinfo->output_width, input_buf, input_row, output_buf, num_rows);
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}
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GLOBAL(void)
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jsimd_ycc_rgb565_convert(j_decompress_ptr cinfo, JSAMPIMAGE input_buf,
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JDIMENSION input_row, JSAMPARRAY output_buf,
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int num_rows)
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{
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}
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GLOBAL(void)
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jsimd_c_null_convert(j_compress_ptr cinfo, JSAMPARRAY input_buf,
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JSAMPIMAGE output_buf, JDIMENSION output_row,
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int num_rows)
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{
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}
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GLOBAL(int)
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jsimd_can_h2v2_downsample(void)
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{
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init_simd();
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/* The code is optimised for these values only */
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if (BITS_IN_JSAMPLE != 8)
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return 0;
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if (sizeof(JDIMENSION) != 4)
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return 0;
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if (simd_support & JSIMD_MMI)
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return 1;
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return 0;
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}
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GLOBAL(int)
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jsimd_can_h2v2_smooth_downsample(void)
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{
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return 0;
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}
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GLOBAL(int)
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jsimd_can_h2v1_downsample(void)
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{
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return 0;
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}
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GLOBAL(void)
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jsimd_h2v2_downsample(j_compress_ptr cinfo, jpeg_component_info *compptr,
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JSAMPARRAY input_data, JSAMPARRAY output_data)
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{
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jsimd_h2v2_downsample_mmi(cinfo->image_width, cinfo->max_v_samp_factor,
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compptr->v_samp_factor, compptr->width_in_blocks,
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input_data, output_data);
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}
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GLOBAL(void)
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jsimd_h2v2_smooth_downsample(j_compress_ptr cinfo,
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jpeg_component_info *compptr,
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JSAMPARRAY input_data, JSAMPARRAY output_data)
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{
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}
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GLOBAL(void)
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jsimd_h2v1_downsample(j_compress_ptr cinfo, jpeg_component_info *compptr,
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JSAMPARRAY input_data, JSAMPARRAY output_data)
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{
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}
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GLOBAL(int)
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jsimd_can_h2v2_upsample(void)
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{
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return 0;
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}
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GLOBAL(int)
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jsimd_can_h2v1_upsample(void)
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{
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return 0;
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}
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GLOBAL(int)
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jsimd_can_int_upsample(void)
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{
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return 0;
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}
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GLOBAL(void)
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jsimd_h2v2_upsample(j_decompress_ptr cinfo, jpeg_component_info *compptr,
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JSAMPARRAY input_data, JSAMPARRAY *output_data_ptr)
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{
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}
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GLOBAL(void)
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jsimd_h2v1_upsample(j_decompress_ptr cinfo, jpeg_component_info *compptr,
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JSAMPARRAY input_data, JSAMPARRAY *output_data_ptr)
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{
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}
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GLOBAL(void)
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jsimd_int_upsample(j_decompress_ptr cinfo, jpeg_component_info *compptr,
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JSAMPARRAY input_data, JSAMPARRAY *output_data_ptr)
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{
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}
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GLOBAL(int)
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jsimd_can_h2v2_fancy_upsample(void)
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{
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init_simd();
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/* The code is optimised for these values only */
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if (BITS_IN_JSAMPLE != 8)
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return 0;
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if (sizeof(JDIMENSION) != 4)
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return 0;
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if (simd_support & JSIMD_MMI)
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return 1;
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return 0;
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}
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GLOBAL(int)
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jsimd_can_h2v1_fancy_upsample(void)
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{
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return 0;
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}
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GLOBAL(void)
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jsimd_h2v2_fancy_upsample(j_decompress_ptr cinfo, jpeg_component_info *compptr,
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JSAMPARRAY input_data, JSAMPARRAY *output_data_ptr)
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{
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jsimd_h2v2_fancy_upsample_mmi(cinfo->max_v_samp_factor,
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compptr->downsampled_width, input_data,
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output_data_ptr);
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}
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GLOBAL(void)
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jsimd_h2v1_fancy_upsample(j_decompress_ptr cinfo, jpeg_component_info *compptr,
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JSAMPARRAY input_data, JSAMPARRAY *output_data_ptr)
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{
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}
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GLOBAL(int)
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jsimd_can_h2v2_merged_upsample(void)
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{
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return 0;
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}
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GLOBAL(int)
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jsimd_can_h2v1_merged_upsample(void)
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{
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return 0;
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}
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GLOBAL(void)
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jsimd_h2v2_merged_upsample(j_decompress_ptr cinfo, JSAMPIMAGE input_buf,
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JDIMENSION in_row_group_ctr, JSAMPARRAY output_buf)
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{
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}
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GLOBAL(void)
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jsimd_h2v1_merged_upsample(j_decompress_ptr cinfo, JSAMPIMAGE input_buf,
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JDIMENSION in_row_group_ctr, JSAMPARRAY output_buf)
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{
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}
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GLOBAL(int)
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jsimd_can_convsamp(void)
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{
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return 0;
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}
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GLOBAL(int)
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jsimd_can_convsamp_float(void)
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{
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return 0;
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}
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GLOBAL(void)
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jsimd_convsamp(JSAMPARRAY sample_data, JDIMENSION start_col,
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DCTELEM *workspace)
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{
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}
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GLOBAL(void)
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jsimd_convsamp_float(JSAMPARRAY sample_data, JDIMENSION start_col,
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FAST_FLOAT *workspace)
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{
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}
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GLOBAL(int)
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jsimd_can_fdct_islow(void)
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{
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init_simd();
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/* The code is optimised for these values only */
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if (DCTSIZE != 8)
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return 0;
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if (sizeof(DCTELEM) != 2)
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return 0;
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if (simd_support & JSIMD_MMI)
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return 1;
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return 0;
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}
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GLOBAL(int)
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jsimd_can_fdct_ifast(void)
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{
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return 0;
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}
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GLOBAL(int)
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jsimd_can_fdct_float(void)
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{
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return 0;
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}
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GLOBAL(void)
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jsimd_fdct_islow(DCTELEM *data)
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{
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jsimd_fdct_islow_mmi(data);
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}
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GLOBAL(void)
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jsimd_fdct_ifast(DCTELEM *data)
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{
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}
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GLOBAL(void)
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jsimd_fdct_float(FAST_FLOAT *data)
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{
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}
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GLOBAL(int)
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jsimd_can_quantize(void)
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{
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init_simd();
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/* The code is optimised for these values only */
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if (DCTSIZE != 8)
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return 0;
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if (sizeof(JCOEF) != 2)
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return 0;
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if (sizeof(DCTELEM) != 2)
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return 0;
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if (simd_support & JSIMD_MMI)
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return 1;
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return 0;
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}
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GLOBAL(int)
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jsimd_can_quantize_float(void)
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{
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return 0;
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}
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GLOBAL(void)
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jsimd_quantize(JCOEFPTR coef_block, DCTELEM *divisors, DCTELEM *workspace)
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{
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jsimd_quantize_mmi(coef_block, divisors, workspace);
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}
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GLOBAL(void)
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jsimd_quantize_float(JCOEFPTR coef_block, FAST_FLOAT *divisors,
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FAST_FLOAT *workspace)
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{
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}
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GLOBAL(int)
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jsimd_can_idct_2x2(void)
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{
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return 0;
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}
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GLOBAL(int)
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jsimd_can_idct_4x4(void)
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{
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return 0;
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}
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GLOBAL(int)
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jsimd_can_idct_6x6(void)
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{
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return 0;
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}
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GLOBAL(int)
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jsimd_can_idct_12x12(void)
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{
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return 0;
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}
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GLOBAL(void)
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jsimd_idct_2x2(j_decompress_ptr cinfo, jpeg_component_info *compptr,
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JCOEFPTR coef_block, JSAMPARRAY output_buf,
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JDIMENSION output_col)
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{
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}
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GLOBAL(void)
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jsimd_idct_4x4(j_decompress_ptr cinfo, jpeg_component_info *compptr,
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JCOEFPTR coef_block, JSAMPARRAY output_buf,
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JDIMENSION output_col)
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{
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}
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GLOBAL(void)
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jsimd_idct_6x6(j_decompress_ptr cinfo, jpeg_component_info *compptr,
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JCOEFPTR coef_block, JSAMPARRAY output_buf,
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JDIMENSION output_col)
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{
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}
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GLOBAL(void)
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jsimd_idct_12x12(j_decompress_ptr cinfo, jpeg_component_info *compptr,
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JCOEFPTR coef_block, JSAMPARRAY output_buf,
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JDIMENSION output_col)
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{
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}
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GLOBAL(int)
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jsimd_can_idct_islow(void)
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{
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init_simd();
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/* The code is optimised for these values only */
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if (DCTSIZE != 8)
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return 0;
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if (sizeof(JCOEF) != 2)
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return 0;
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if (BITS_IN_JSAMPLE != 8)
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return 0;
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if (sizeof(JDIMENSION) != 4)
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return 0;
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if (sizeof(ISLOW_MULT_TYPE) != 2)
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return 0;
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if (simd_support & JSIMD_MMI)
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return 1;
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return 0;
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}
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GLOBAL(int)
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jsimd_can_idct_ifast(void)
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{
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return 0;
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}
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GLOBAL(int)
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jsimd_can_idct_float(void)
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{
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return 0;
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}
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GLOBAL(void)
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jsimd_idct_islow(j_decompress_ptr cinfo, jpeg_component_info *compptr,
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JCOEFPTR coef_block, JSAMPARRAY output_buf,
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JDIMENSION output_col)
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{
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jsimd_idct_islow_mmi(compptr->dct_table, coef_block, output_buf, output_col);
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}
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GLOBAL(void)
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jsimd_idct_ifast(j_decompress_ptr cinfo, jpeg_component_info *compptr,
|
|
JCOEFPTR coef_block, JSAMPARRAY output_buf,
|
|
JDIMENSION output_col)
|
|
{
|
|
}
|
|
|
|
GLOBAL(void)
|
|
jsimd_idct_float(j_decompress_ptr cinfo, jpeg_component_info *compptr,
|
|
JCOEFPTR coef_block, JSAMPARRAY output_buf,
|
|
JDIMENSION output_col)
|
|
{
|
|
}
|
|
|
|
GLOBAL(int)
|
|
jsimd_can_huff_encode_one_block(void)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
GLOBAL(JOCTET *)
|
|
jsimd_huff_encode_one_block(void *state, JOCTET *buffer, JCOEFPTR block,
|
|
int last_dc_val, c_derived_tbl *dctbl,
|
|
c_derived_tbl *actbl)
|
|
{
|
|
return NULL;
|
|
}
|
|
|
|
GLOBAL(int)
|
|
jsimd_can_encode_mcu_AC_first_prepare(void)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
GLOBAL(void)
|
|
jsimd_encode_mcu_AC_first_prepare(const JCOEF *block,
|
|
const int *jpeg_natural_order_start, int Sl,
|
|
int Al, JCOEF *values, size_t *zerobits)
|
|
{
|
|
}
|
|
|
|
GLOBAL(int)
|
|
jsimd_can_encode_mcu_AC_refine_prepare(void)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
GLOBAL(int)
|
|
jsimd_encode_mcu_AC_refine_prepare(const JCOEF *block,
|
|
const int *jpeg_natural_order_start, int Sl,
|
|
int Al, JCOEF *absvalues, size_t *bits)
|
|
{
|
|
return 0;
|
|
}
|