1/* 2 * Copyright (c) 2015 James Almer 3 * 4 * This file is part of FFmpeg. 5 * 6 * FFmpeg is free software; you can redistribute it and/or modify 7 * it under the terms of the GNU General Public License as published by 8 * the Free Software Foundation; either version 2 of the License, or 9 * (at your option) any later version. 10 * 11 * FFmpeg is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 * GNU General Public License for more details. 15 * 16 * You should have received a copy of the GNU General Public License along 17 * with FFmpeg; if not, write to the Free Software Foundation, Inc., 18 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. 19 */ 20 21#include <string.h> 22#include "checkasm.h" 23#include "libavcodec/alacdsp.h" 24#include "libavcodec/mathops.h" 25#include "libavutil/common.h" 26#include "libavutil/internal.h" 27#include "libavutil/mem_internal.h" 28 29#define BUF_SIZE 256 30#define MAX_CHANNELS 2 31 32#define randomize_buffers() \ 33 do { \ 34 int i; \ 35 for (i = 0; i < BUF_SIZE*MAX_CHANNELS; i++) { \ 36 int32_t r = sign_extend(rnd(), 24); \ 37 ref_buf[i] = r; \ 38 new_buf[i] = r; \ 39 } \ 40 } while (0) 41 42static void check_decorrelate_stereo(void) 43{ 44 LOCAL_ALIGNED_16(int32_t, ref_buf, [BUF_SIZE*MAX_CHANNELS]); 45 LOCAL_ALIGNED_16(int32_t, new_buf, [BUF_SIZE*MAX_CHANNELS]); 46 int32_t *ref[2] = { &ref_buf[BUF_SIZE*0], &ref_buf[BUF_SIZE*1] }; 47 int32_t *new[2] = { &new_buf[BUF_SIZE*0], &new_buf[BUF_SIZE*1] }; 48 ALACDSPContext c; 49 50 ff_alacdsp_init(&c); 51 if (check_func(c.decorrelate_stereo, "alac_decorrelate_stereo")) { 52 int len = (rnd() & 0xFF) + 1; 53 int shift = rnd() & 0x1F; 54 int weight = rnd() & 0xFF; 55 declare_func(void, int32_t *buf[2], int len, int shift, int weight); 56 57 randomize_buffers(); 58 call_ref(ref, len, shift, weight); 59 call_new(new, len, shift, weight); 60 if (memcmp(ref[0], new[0], len * sizeof(int32_t)) || 61 memcmp(ref[1], new[1], len * sizeof(int32_t))) 62 fail(); 63 bench_new(new, BUF_SIZE, shift, weight); 64 } 65 66 report("decorrelate_stereo"); 67} 68 69#undef randomize_buffers 70#define randomize_buffers() \ 71 do { \ 72 int i, j; \ 73 for (i = 0; i < BUF_SIZE; i++) { \ 74 for (j = 0; j < ch; j++) { \ 75 int32_t r = sign_extend(rnd(), 24); \ 76 ref[j][i] = r; \ 77 new[j][i] = r; \ 78 r = rnd() & 0xFF; \ 79 ref_ebb[j][i] = r; \ 80 new_ebb[j][i] = r; \ 81 } \ 82 } \ 83 } while (0) 84 85static void check_append_extra_bits(void) 86{ 87 LOCAL_ALIGNED_16(int32_t, ref_buf, [BUF_SIZE*MAX_CHANNELS*2]); 88 LOCAL_ALIGNED_16(int32_t, new_buf, [BUF_SIZE*MAX_CHANNELS*2]); 89 int32_t *ref[2] = { &ref_buf[BUF_SIZE*0], &ref_buf[BUF_SIZE*1] }; 90 int32_t *new[2] = { &new_buf[BUF_SIZE*0], &new_buf[BUF_SIZE*1] }; 91 int32_t *ref_ebb[2] = { &ref_buf[BUF_SIZE*2], &ref_buf[BUF_SIZE*3] }; 92 int32_t *new_ebb[2] = { &new_buf[BUF_SIZE*2], &new_buf[BUF_SIZE*3] }; 93 ALACDSPContext c; 94 static const char * const channels[2] = { "mono", "stereo" }; 95 int ch; 96 97 ff_alacdsp_init(&c); 98 for (ch = 1; ch <= 2; ch++) { 99 if (check_func(c.append_extra_bits[ch-1], "alac_append_extra_bits_%s", channels[ch-1])) { 100 int len = (rnd() & 0xFF) + 1; 101 declare_func(void, int32_t *buf[2], int32_t *ebb[2], int ebits, int ch, int len); 102 103 randomize_buffers(); 104 call_ref(ref, ref_ebb, 8, ch, len); 105 call_new(new, new_ebb, 8, ch, len); 106 if ( memcmp(ref[0], new[0], len * sizeof(int32_t)) || 107 (ch == 2 && memcmp(ref[1], new[1], len * sizeof(int32_t)))) 108 fail(); 109 bench_new(new, new_ebb, 8, ch, BUF_SIZE); 110 } 111 } 112 113 report("append_extra_bits"); 114} 115 116void checkasm_check_alacdsp(void) 117{ 118 check_decorrelate_stereo(); 119 check_append_extra_bits(); 120} 121