1/* 2 * Copyright (c) 2019 James Darnley 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/v210dec_init.h" 24 25static uint32_t get_v210(void) 26{ 27 uint32_t t0 = rnd() & 0x3ff, 28 t1 = rnd() & 0x3ff, 29 t2 = rnd() & 0x3ff; 30 uint32_t value = t0 31 | (t1 << 10) 32 | (t2 << 20); 33 return value; 34} 35 36#define NUM_SAMPLES 2048 37 38static void randomize_buffers(uint32_t *src0, uint32_t *src1, int len) 39{ 40 for (int i = 0; i < len; i++) { 41 uint32_t value = get_v210(); 42 src0[i] = value; 43 src1[i] = value; 44 } 45} 46 47void checkasm_check_v210dec(void) 48{ 49 V210DecContext h; 50 51 h.aligned_input = 0; 52 ff_v210dec_init(&h); 53 54 if (check_func(h.unpack_frame, "v210_unpack")) { 55 uint32_t src0[NUM_SAMPLES/3]; 56 uint32_t src1[NUM_SAMPLES/3]; 57 uint16_t y0[NUM_SAMPLES/2]; 58 uint16_t y1[NUM_SAMPLES/2]; 59 uint16_t u0[NUM_SAMPLES/4]; 60 uint16_t u1[NUM_SAMPLES/4]; 61 uint16_t v0[NUM_SAMPLES/4]; 62 uint16_t v1[NUM_SAMPLES/4]; 63 declare_func(void, const uint32_t *src, uint16_t *y, uint16_t *u, uint16_t *v, int width); 64 const int pixels = NUM_SAMPLES / 2 / 6 * 6; 65 66 randomize_buffers(src0, src1, NUM_SAMPLES/3); 67 call_ref(src0, y0, u0, v0, pixels); 68 call_new(src1, y1, u1, v1, pixels); 69 if (memcmp(src0, src1, NUM_SAMPLES/3 * sizeof src0[0]) 70 || memcmp(y0, y1, pixels * sizeof y0[0]) 71 || memcmp(u0, u1, pixels/2 * sizeof u0[0]) 72 || memcmp(v0, v1, pixels/2 * sizeof v0[0])) 73 fail(); 74 bench_new(src1, y1, u1, v1, pixels); 75 } 76 report("v210_unpack"); 77} 78