зеркало из https://github.com/mozilla/gecko-dev.git
682 строки
16 KiB
C
682 строки
16 KiB
C
/*
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* jsimd_x86_64.c
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*
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* Copyright 2009 Pierre Ossman <ossman@cendio.se> for Cendio AB
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* Copyright 2009 D. R. Commander
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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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* x86_64 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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/*
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* In the PIC cases, we have no guarantee that constants will keep
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* their alignment. This macro allows us to verify it at runtime.
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*/
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#define IS_ALIGNED(ptr, order) (((size_t)ptr & ((1 << order) - 1)) == 0)
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#define IS_ALIGNED_SSE(ptr) (IS_ALIGNED(ptr, 4)) /* 16 byte alignment */
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GLOBAL(int)
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jsimd_can_rgb_ycc (void)
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{
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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 (!IS_ALIGNED_SSE(jconst_rgb_ycc_convert_sse2))
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return 0;
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return 1;
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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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/* 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 (!IS_ALIGNED_SSE(jconst_ycc_rgb_convert_sse2))
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return 0;
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return 1;
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}
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GLOBAL(void)
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jsimd_rgb_ycc_convert (j_compress_ptr cinfo,
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JSAMPARRAY input_buf, JSAMPIMAGE output_buf,
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JDIMENSION output_row, int num_rows)
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{
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void (*sse2fct)(JDIMENSION, JSAMPARRAY, JSAMPIMAGE, JDIMENSION, int);
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switch(cinfo->in_color_space)
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{
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case JCS_EXT_RGB:
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sse2fct=jsimd_extrgb_ycc_convert_sse2;
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break;
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case JCS_EXT_RGBX:
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sse2fct=jsimd_extrgbx_ycc_convert_sse2;
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break;
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case JCS_EXT_BGR:
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sse2fct=jsimd_extbgr_ycc_convert_sse2;
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break;
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case JCS_EXT_BGRX:
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sse2fct=jsimd_extbgrx_ycc_convert_sse2;
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break;
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case JCS_EXT_XBGR:
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sse2fct=jsimd_extxbgr_ycc_convert_sse2;
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break;
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case JCS_EXT_XRGB:
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sse2fct=jsimd_extxrgb_ycc_convert_sse2;
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break;
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default:
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sse2fct=jsimd_rgb_ycc_convert_sse2;
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break;
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}
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sse2fct(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_ycc_rgb_convert (j_decompress_ptr cinfo,
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JSAMPIMAGE input_buf, JDIMENSION input_row,
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JSAMPARRAY output_buf, int num_rows)
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{
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void (*sse2fct)(JDIMENSION, JSAMPIMAGE, JDIMENSION, JSAMPARRAY, int);
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switch(cinfo->out_color_space)
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{
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case JCS_EXT_RGB:
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sse2fct=jsimd_ycc_extrgb_convert_sse2;
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break;
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case JCS_EXT_RGBX:
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sse2fct=jsimd_ycc_extrgbx_convert_sse2;
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break;
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case JCS_EXT_BGR:
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sse2fct=jsimd_ycc_extbgr_convert_sse2;
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break;
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case JCS_EXT_BGRX:
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sse2fct=jsimd_ycc_extbgrx_convert_sse2;
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break;
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case JCS_EXT_XBGR:
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sse2fct=jsimd_ycc_extxbgr_convert_sse2;
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break;
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case JCS_EXT_XRGB:
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sse2fct=jsimd_ycc_extxrgb_convert_sse2;
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break;
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default:
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sse2fct=jsimd_ycc_rgb_convert_sse2;
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break;
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}
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sse2fct(cinfo->output_width, input_buf, input_row, output_buf, num_rows);
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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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/* 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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return 1;
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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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/* 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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return 1;
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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_sse2(cinfo->image_width,
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cinfo->max_v_samp_factor,
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compptr->v_samp_factor,
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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_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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jsimd_h2v1_downsample_sse2(cinfo->image_width,
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cinfo->max_v_samp_factor,
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compptr->v_samp_factor,
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compptr->width_in_blocks,
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input_data, output_data);
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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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/* 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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return 1;
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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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/* 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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return 1;
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}
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GLOBAL(void)
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jsimd_h2v2_upsample (j_decompress_ptr cinfo,
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jpeg_component_info * compptr,
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JSAMPARRAY input_data,
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JSAMPARRAY * output_data_ptr)
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{
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jsimd_h2v2_upsample_sse2(cinfo->max_v_samp_factor,
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cinfo->output_width,
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input_data, output_data_ptr);
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}
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GLOBAL(void)
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jsimd_h2v1_upsample (j_decompress_ptr cinfo,
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jpeg_component_info * compptr,
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JSAMPARRAY input_data,
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JSAMPARRAY * output_data_ptr)
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{
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jsimd_h2v1_upsample_sse2(cinfo->max_v_samp_factor,
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cinfo->output_width,
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input_data, output_data_ptr);
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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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/* 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 (!IS_ALIGNED_SSE(jconst_fancy_upsample_sse2))
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return 0;
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return 1;
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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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/* 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 (!IS_ALIGNED_SSE(jconst_fancy_upsample_sse2))
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return 0;
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return 1;
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}
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GLOBAL(void)
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jsimd_h2v2_fancy_upsample (j_decompress_ptr cinfo,
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jpeg_component_info * compptr,
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JSAMPARRAY input_data,
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JSAMPARRAY * output_data_ptr)
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{
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jsimd_h2v2_fancy_upsample_sse2(cinfo->max_v_samp_factor,
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compptr->downsampled_width,
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input_data, 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,
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jpeg_component_info * compptr,
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JSAMPARRAY input_data,
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JSAMPARRAY * output_data_ptr)
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{
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jsimd_h2v1_fancy_upsample_sse2(cinfo->max_v_samp_factor,
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compptr->downsampled_width,
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input_data, output_data_ptr);
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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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/* 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 (!IS_ALIGNED_SSE(jconst_merged_upsample_sse2))
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return 0;
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return 1;
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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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/* 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 (!IS_ALIGNED_SSE(jconst_merged_upsample_sse2))
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return 0;
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return 1;
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}
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GLOBAL(void)
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jsimd_h2v2_merged_upsample (j_decompress_ptr cinfo,
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JSAMPIMAGE input_buf,
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JDIMENSION in_row_group_ctr,
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JSAMPARRAY output_buf)
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{
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void (*sse2fct)(JDIMENSION, JSAMPIMAGE, JDIMENSION, JSAMPARRAY);
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switch(cinfo->out_color_space)
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{
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case JCS_EXT_RGB:
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sse2fct=jsimd_h2v2_extrgb_merged_upsample_sse2;
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break;
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case JCS_EXT_RGBX:
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sse2fct=jsimd_h2v2_extrgbx_merged_upsample_sse2;
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break;
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case JCS_EXT_BGR:
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sse2fct=jsimd_h2v2_extbgr_merged_upsample_sse2;
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break;
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case JCS_EXT_BGRX:
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sse2fct=jsimd_h2v2_extbgrx_merged_upsample_sse2;
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break;
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case JCS_EXT_XBGR:
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sse2fct=jsimd_h2v2_extxbgr_merged_upsample_sse2;
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break;
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case JCS_EXT_XRGB:
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sse2fct=jsimd_h2v2_extxrgb_merged_upsample_sse2;
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break;
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default:
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sse2fct=jsimd_h2v2_merged_upsample_sse2;
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break;
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}
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sse2fct(cinfo->output_width, input_buf, in_row_group_ctr, output_buf);
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}
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GLOBAL(void)
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jsimd_h2v1_merged_upsample (j_decompress_ptr cinfo,
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JSAMPIMAGE input_buf,
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JDIMENSION in_row_group_ctr,
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JSAMPARRAY output_buf)
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{
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void (*sse2fct)(JDIMENSION, JSAMPIMAGE, JDIMENSION, JSAMPARRAY);
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switch(cinfo->out_color_space)
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{
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case JCS_EXT_RGB:
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sse2fct=jsimd_h2v1_extrgb_merged_upsample_sse2;
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break;
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case JCS_EXT_RGBX:
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sse2fct=jsimd_h2v1_extrgbx_merged_upsample_sse2;
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break;
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case JCS_EXT_BGR:
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sse2fct=jsimd_h2v1_extbgr_merged_upsample_sse2;
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break;
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case JCS_EXT_BGRX:
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sse2fct=jsimd_h2v1_extbgrx_merged_upsample_sse2;
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break;
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case JCS_EXT_XBGR:
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sse2fct=jsimd_h2v1_extxbgr_merged_upsample_sse2;
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break;
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case JCS_EXT_XRGB:
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sse2fct=jsimd_h2v1_extxrgb_merged_upsample_sse2;
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break;
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default:
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sse2fct=jsimd_h2v1_merged_upsample_sse2;
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break;
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}
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sse2fct(cinfo->output_width, input_buf, in_row_group_ctr, output_buf);
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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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/* 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 (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(DCTELEM) != 2)
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return 0;
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return 1;
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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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/* 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 (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(FAST_FLOAT) != 4)
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return 0;
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return 1;
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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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jsimd_convsamp_sse2(sample_data, start_col, workspace);
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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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jsimd_convsamp_float_sse2(sample_data, start_col, workspace);
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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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/* 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 (!IS_ALIGNED_SSE(jconst_fdct_islow_sse2))
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return 0;
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return 1;
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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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/* 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 (!IS_ALIGNED_SSE(jconst_fdct_ifast_sse2))
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return 0;
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return 1;
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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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/* 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(FAST_FLOAT) != 4)
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return 0;
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if (!IS_ALIGNED_SSE(jconst_fdct_float_sse))
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return 0;
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return 1;
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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_sse2(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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jsimd_fdct_ifast_sse2(data);
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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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jsimd_fdct_float_sse(data);
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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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/* 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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return 1;
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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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/* 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(FAST_FLOAT) != 4)
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return 0;
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return 1;
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}
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GLOBAL(void)
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jsimd_quantize (JCOEFPTR coef_block, DCTELEM * divisors,
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DCTELEM * workspace)
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{
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jsimd_quantize_sse2(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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jsimd_quantize_float_sse2(coef_block, divisors, workspace);
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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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/* 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 (!IS_ALIGNED_SSE(jconst_idct_red_sse2))
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return 0;
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return 1;
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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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/* 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 (!IS_ALIGNED_SSE(jconst_idct_red_sse2))
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return 0;
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return 1;
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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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jsimd_idct_2x2_sse2(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_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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jsimd_idct_4x4_sse2(compptr->dct_table, coef_block, output_buf, output_col);
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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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/* 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 (!IS_ALIGNED_SSE(jconst_idct_islow_sse2))
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return 0;
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return 1;
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}
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GLOBAL(int)
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jsimd_can_idct_ifast (void)
|
|
{
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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(IFAST_MULT_TYPE) != 2)
|
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return 0;
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if (IFAST_SCALE_BITS != 2)
|
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return 0;
|
|
|
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if (!IS_ALIGNED_SSE(jconst_idct_ifast_sse2))
|
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return 0;
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|
|
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return 1;
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}
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|
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GLOBAL(int)
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jsimd_can_idct_float (void)
|
|
{
|
|
if (DCTSIZE != 8)
|
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return 0;
|
|
if (sizeof(JCOEF) != 2)
|
|
return 0;
|
|
if (BITS_IN_JSAMPLE != 8)
|
|
return 0;
|
|
if (sizeof(JDIMENSION) != 4)
|
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return 0;
|
|
if (sizeof(FAST_FLOAT) != 4)
|
|
return 0;
|
|
if (sizeof(FLOAT_MULT_TYPE) != 4)
|
|
return 0;
|
|
|
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if (!IS_ALIGNED_SSE(jconst_idct_float_sse2))
|
|
return 0;
|
|
|
|
return 1;
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}
|
|
|
|
GLOBAL(void)
|
|
jsimd_idct_islow (j_decompress_ptr cinfo, jpeg_component_info * compptr,
|
|
JCOEFPTR coef_block, JSAMPARRAY output_buf,
|
|
JDIMENSION output_col)
|
|
{
|
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jsimd_idct_islow_sse2(compptr->dct_table, coef_block, output_buf, output_col);
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}
|
|
|
|
GLOBAL(void)
|
|
jsimd_idct_ifast (j_decompress_ptr cinfo, jpeg_component_info * compptr,
|
|
JCOEFPTR coef_block, JSAMPARRAY output_buf,
|
|
JDIMENSION output_col)
|
|
{
|
|
jsimd_idct_ifast_sse2(compptr->dct_table, coef_block, output_buf, output_col);
|
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}
|
|
|
|
GLOBAL(void)
|
|
jsimd_idct_float (j_decompress_ptr cinfo, jpeg_component_info * compptr,
|
|
JCOEFPTR coef_block, JSAMPARRAY output_buf,
|
|
JDIMENSION output_col)
|
|
{
|
|
jsimd_idct_float_sse2(compptr->dct_table, coef_block,
|
|
output_buf, output_col);
|
|
}
|
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