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 37 EXTERN(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)); 41 EXTERN(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 46 EXTERN(void) jsimd_idct_ifast_neon JPP((void * dct_table, 47 JCOEFPTR coef_block, 48 JSAMPARRAY output_buf, 49 JDIMENSION output_col)); 50 51 EXTERN(void) jsimd_idct_2x2_neon JPP((void * dct_table, 52 JCOEFPTR coef_block, 53 JSAMPARRAY output_buf, 54 JDIMENSION output_col)); 55 56 EXTERN(void) jsimd_idct_4x4_neon JPP((void * dct_table, 57 JCOEFPTR coef_block, 58 JSAMPARRAY output_buf, 59 JDIMENSION output_col)); 60 61 GLOBAL(void) 62 jsimd_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 74 GLOBAL(void) 75 jsimd_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 87 GLOBAL(void) 88 jsimd_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 96 GLOBAL(void) 97 jsimd_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 } 103 104 GLOBAL(void) 105 jsimd_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 } 111 112 113 GLOBAL(int) 114 cap_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 } 125 126 GLOBAL(int) 127 cap_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 } 139 140 GLOBAL(int) 141 cap_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 } 155 156 GLOBAL(int) 157 cap_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
