/* * Copyright (c) 2016 Alexandra Hájková * * This file is part of FFmpeg. * * FFmpeg is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * FFmpeg is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License along * with FFmpeg; if not, write to the Free Software Foundation, Inc., * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. */ #include <string.h> #include "libavutil/common.h" #include "libavutil/intreadwrite.h" #include "libavutil/mem.h" #include "libavcodec/huffyuvdsp.h" #include "checkasm.h" #define randomize_buffers(buf, size) \ do { \ int j; \ for (j = 0; j < size; j++) \ buf[j] = rnd() & 0xFFFF; \ } while (0) static void check_add_int16(HuffYUVDSPContext c, unsigned mask, int width, const char * name) { uint16_t *src0 = av_mallocz(width * sizeof(uint16_t)); uint16_t *src1 = av_mallocz(width * sizeof(uint16_t)); uint16_t *dst0 = av_mallocz(width * sizeof(uint16_t)); uint16_t *dst1 = av_mallocz(width * sizeof(uint16_t)); declare_func_emms(AV_CPU_FLAG_MMX, void, uint16_t *dst, uint16_t *src, unsigned mask, int w); if (!src0 || !src1 || !dst0 || !dst1) fail(); randomize_buffers(src0, width); memcpy(src1, src0, width * sizeof(uint16_t)); if (check_func(c.add_int16, "%s", name)) { call_ref(dst0, src0, mask, width); call_new(dst1, src1, mask, width); if (memcmp(dst0, dst1, width * sizeof(uint16_t))) fail(); bench_new(dst1, src1, mask, width); } av_free(src0); av_free(src1); av_free(dst0); av_free(dst1); } void checkasm_check_huffyuvdsp(void) { HuffYUVDSPContext c; int width = 16 * av_clip(rnd(), 16, 128); ff_huffyuvdsp_init(&c, AV_PIX_FMT_YUV422P); /*! test width not multiple of mmsize */ check_add_int16(c, 65535, width, "add_int16_rnd_width"); report("add_int16_rnd_width"); /*! test always with the same size (for perf test) */ check_add_int16(c, 65535, 16*128, "add_int16_128"); report("add_int16_128"); }