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/flacdsp.h" 24#include "libavutil/common.h" 25#include "libavutil/internal.h" 26#include "libavutil/intreadwrite.h" 27#include "libavutil/mem_internal.h" 28 29#define BUF_SIZE 256 30#define MAX_CHANNELS 8 31 32#define randomize_buffers() \ 33 do { \ 34 int i, j; \ 35 for (i = 0; i < BUF_SIZE; i += 4) { \ 36 for (j = 0; j < channels; j++) { \ 37 uint32_t r = rnd() & (1 << (bits - 2)) - 1; \ 38 AV_WN32A(ref_src[j] + i, r); \ 39 AV_WN32A(new_src[j] + i, r); \ 40 } \ 41 } \ 42 } while (0) 43 44static void check_decorrelate(uint8_t **ref_dst, uint8_t **ref_src, uint8_t **new_dst, uint8_t **new_src, 45 int channels, int bits) { 46 declare_func(void, uint8_t **out, int32_t **in, int channels, int len, int shift); 47 48 randomize_buffers(); 49 call_ref(ref_dst, (int32_t **)ref_src, channels, BUF_SIZE / sizeof(int32_t), 8); 50 call_new(new_dst, (int32_t **)new_src, channels, BUF_SIZE / sizeof(int32_t), 8); 51 if (memcmp(*ref_dst, *new_dst, bits == 16 ? BUF_SIZE * (channels/2) : BUF_SIZE * channels) || 52 memcmp(*ref_src, *new_src, BUF_SIZE * channels)) 53 fail(); 54 bench_new(new_dst, (int32_t **)new_src, channels, BUF_SIZE / sizeof(int32_t), 8); 55} 56 57void checkasm_check_flacdsp(void) 58{ 59 LOCAL_ALIGNED_16(uint8_t, ref_dst, [BUF_SIZE*MAX_CHANNELS]); 60 LOCAL_ALIGNED_16(uint8_t, ref_buf, [BUF_SIZE*MAX_CHANNELS]); 61 LOCAL_ALIGNED_16(uint8_t, new_dst, [BUF_SIZE*MAX_CHANNELS]); 62 LOCAL_ALIGNED_16(uint8_t, new_buf, [BUF_SIZE*MAX_CHANNELS]); 63 uint8_t *ref_src[] = { &ref_buf[BUF_SIZE*0], &ref_buf[BUF_SIZE*1], &ref_buf[BUF_SIZE*2], &ref_buf[BUF_SIZE*3], 64 &ref_buf[BUF_SIZE*4], &ref_buf[BUF_SIZE*5], &ref_buf[BUF_SIZE*6], &ref_buf[BUF_SIZE*7] }; 65 uint8_t *new_src[] = { &new_buf[BUF_SIZE*0], &new_buf[BUF_SIZE*1], &new_buf[BUF_SIZE*2], &new_buf[BUF_SIZE*3], 66 &new_buf[BUF_SIZE*4], &new_buf[BUF_SIZE*5], &new_buf[BUF_SIZE*6], &new_buf[BUF_SIZE*7] }; 67 static const char * const names[3] = { "ls", "rs", "ms" }; 68 static const struct { 69 enum AVSampleFormat fmt; 70 int bits; 71 } fmts[] = { 72 { AV_SAMPLE_FMT_S16, 16 }, 73 { AV_SAMPLE_FMT_S32, 32 }, 74 }; 75 FLACDSPContext h; 76 int i, j; 77 78 for (i = 0; i < 2; i++) { 79 ff_flacdsp_init(&h, fmts[i].fmt, 2, 0); 80 for (j = 0; j < 3; j++) 81 if (check_func(h.decorrelate[j], "flac_decorrelate_%s_%d", names[j], fmts[i].bits)) 82 check_decorrelate(&ref_dst, ref_src, &new_dst, new_src, 2, fmts[i].bits); 83 for (j = 2; j <= MAX_CHANNELS; j += 2) { 84 ff_flacdsp_init(&h, fmts[i].fmt, j, 0); 85 if (check_func(h.decorrelate[0], "flac_decorrelate_indep%d_%d", j, fmts[i].bits)) 86 check_decorrelate(&ref_dst, ref_src, &new_dst, new_src, j, fmts[i].bits); 87 } 88 } 89 90 report("decorrelate"); 91} 92