1/* Copyright (c) 2011, NVIDIA CORPORATION. All rights reserved. 2 * 3 * Redistribution and use in source and binary forms, with or without 4 * modification, are permitted provided that the following conditions 5 * are met: 6 * 7 * * Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * * Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * * Neither the name of the NVIDIA CORPORATION nor the names of its 13 * contributors may be used to endorse or promote products derived 14 * from this software without specific prior written permission. 15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 16 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE 19 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 20 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 21 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 22 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 23 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 24 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 25 * THE POSSIBILITY OF SUCH DAMAGE. 26 */ 27 28#define JPEG_INTERNALS 29#include "jinclude.h" 30#include "jpeglib.h" 31#include "jdct.h" 32#include <machine/cpu-features.h> 33 34 35#if defined(NV_ARM_NEON) && defined(__ARM_HAVE_NEON) 36 37EXTERN(void) jsimd_ycc_rgba8888_convert_neon 38 JPP((JDIMENSION out_width, 39 JSAMPIMAGE input_buf, JDIMENSION input_row, 40 JSAMPARRAY output_buf, int num_rows)); 41EXTERN(void) jsimd_ycc_rgb565_convert_neon 42 JPP((JDIMENSION out_width, 43 JSAMPIMAGE input_buf, JDIMENSION input_row, 44 JSAMPARRAY output_buf, int num_rows)); 45 46EXTERN(void) jsimd_idct_ifast_neon JPP((void * dct_table, 47 JCOEFPTR coef_block, 48 JSAMPARRAY output_buf, 49 JDIMENSION output_col)); 50 51EXTERN(void) jsimd_idct_2x2_neon JPP((void * dct_table, 52 JCOEFPTR coef_block, 53 JSAMPARRAY output_buf, 54 JDIMENSION output_col)); 55 56EXTERN(void) jsimd_idct_4x4_neon JPP((void * dct_table, 57 JCOEFPTR coef_block, 58 JSAMPARRAY output_buf, 59 JDIMENSION output_col)); 60 61GLOBAL(void) 62jsimd_ycc_rgba8888_convert (j_decompress_ptr cinfo, 63 JSAMPIMAGE input_buf, JDIMENSION input_row, 64 JSAMPARRAY output_buf, int num_rows) 65{ 66 void (*neonfct)(JDIMENSION, JSAMPIMAGE, JDIMENSION, JSAMPARRAY, int); 67 68 neonfct=jsimd_ycc_rgba8888_convert_neon; 69 70 neonfct(cinfo->output_width, input_buf, 71 input_row, output_buf, num_rows); 72} 73 74GLOBAL(void) 75jsimd_ycc_rgb565_convert (j_decompress_ptr cinfo, 76 JSAMPIMAGE input_buf, JDIMENSION input_row, 77 JSAMPARRAY output_buf, int num_rows) 78{ 79 void (*neonfct)(JDIMENSION, JSAMPIMAGE, JDIMENSION, JSAMPARRAY, int); 80 81 neonfct=jsimd_ycc_rgb565_convert_neon; 82 83 neonfct(cinfo->output_width, input_buf, 84 input_row, output_buf, num_rows); 85} 86 87GLOBAL(void) 88jsimd_idct_ifast (j_decompress_ptr cinfo, jpeg_component_info * compptr, 89 JCOEFPTR coef_block, JSAMPARRAY output_buf, 90 JDIMENSION output_col) 91{ 92 jsimd_idct_ifast_neon(compptr->dct_table, coef_block, output_buf, output_col); 93} 94 95 96GLOBAL(void) 97jsimd_idct_2x2 (j_decompress_ptr cinfo, jpeg_component_info * compptr, 98 JCOEFPTR coef_block, JSAMPARRAY output_buf, 99 JDIMENSION output_col) 100{ 101 jsimd_idct_2x2_neon(compptr->dct_table, coef_block, output_buf, output_col); 102} 103 104GLOBAL(void) 105jsimd_idct_4x4 (j_decompress_ptr cinfo, jpeg_component_info * compptr, 106 JCOEFPTR coef_block, JSAMPARRAY output_buf, 107 JDIMENSION output_col) 108{ 109 jsimd_idct_4x4_neon(compptr->dct_table, coef_block, output_buf, output_col); 110} 111 112 113GLOBAL(int) 114cap_neon_idct_2x2 (void) 115{ 116 if ( (DCTSIZE != 8) || 117 (sizeof(JCOEF) != 2) || 118 (BITS_IN_JSAMPLE != 8) || 119 (sizeof(JDIMENSION) != 4) || 120 (sizeof(ISLOW_MULT_TYPE) != 2)) 121 return 0; 122 123 return 1; 124} 125 126GLOBAL(int) 127cap_neon_idct_4x4 (void) 128{ 129 130 if ( (DCTSIZE != 8) || 131 (sizeof(JCOEF) != 2) || 132 (BITS_IN_JSAMPLE != 8) || 133 (sizeof(JDIMENSION) != 4) || 134 (sizeof(ISLOW_MULT_TYPE) != 2)) 135 return 0; 136 137 return 1; 138} 139 140GLOBAL(int) 141cap_neon_idct_ifast (void) 142{ 143 144 if ( (DCTSIZE != 8) || 145 (sizeof(JCOEF) != 2) || 146 (BITS_IN_JSAMPLE != 8) || 147 (sizeof(JDIMENSION) != 4) || 148 (sizeof(IFAST_MULT_TYPE) != 2) || 149 (IFAST_SCALE_BITS != 2)) 150 return 0; 151 152 return 1; 153 154} 155 156GLOBAL(int) 157cap_neon_ycc_rgb (void) 158{ 159 160 if( (BITS_IN_JSAMPLE != 8) || 161 (sizeof(JDIMENSION) != 4) || 162 ((RGB_PIXELSIZE != 3) && (RGB_PIXELSIZE != 4))) 163 return 0; 164 165 return 1; 166} 167 168#endif 169 170 171