/* * Copyright (c) 2015 Henrik Gramner * * 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 "checkasm.h" #include "libavcodec/h264qpel.h" #include "libavutil/common.h" #include "libavutil/internal.h" #include "libavutil/intreadwrite.h" #include "libavutil/mem_internal.h" static const uint32_t pixel_mask[3] = { 0xffffffff, 0x01ff01ff, 0x03ff03ff }; #define SIZEOF_PIXEL ((bit_depth + 7) / 8) #define BUF_SIZE (2 * 16 * (16 + 3 + 4)) #define randomize_buffers() \ do { \ uint32_t mask = pixel_mask[bit_depth - 8]; \ int k; \ for (k = 0; k < BUF_SIZE; k += 4) { \ uint32_t r = rnd() & mask; \ AV_WN32A(buf0 + k, r); \ AV_WN32A(buf1 + k, r); \ r = rnd(); \ AV_WN32A(dst0 + k, r); \ AV_WN32A(dst1 + k, r); \ } \ } while (0) #define src0 (buf0 + 3 * 2 * 16) /* h264qpel functions read data from negative src pointer offsets */ #define src1 (buf1 + 3 * 2 * 16) void checkasm_check_h264qpel(void) { LOCAL_ALIGNED_16(uint8_t, buf0, [BUF_SIZE]); LOCAL_ALIGNED_16(uint8_t, buf1, [BUF_SIZE]); LOCAL_ALIGNED_16(uint8_t, dst0, [BUF_SIZE]); LOCAL_ALIGNED_16(uint8_t, dst1, [BUF_SIZE]); H264QpelContext h; int op, bit_depth, i, j; declare_func_emms(AV_CPU_FLAG_MMX | AV_CPU_FLAG_MMXEXT, void, uint8_t *dst, const uint8_t *src, ptrdiff_t stride); for (op = 0; op < 2; op++) { qpel_mc_func (*tab)[16] = op ? h.avg_h264_qpel_pixels_tab : h.put_h264_qpel_pixels_tab; const char *op_name = op ? "avg" : "put"; for (bit_depth = 8; bit_depth <= 10; bit_depth++) { ff_h264qpel_init(&h, bit_depth); for (i = 0; i < (op ? 3 : 4); i++) { int size = 16 >> i; for (j = 0; j < 16; j++) if (check_func(tab[i][j], "%s_h264_qpel_%d_mc%d%d_%d", op_name, size, j & 3, j >> 2, bit_depth)) { randomize_buffers(); call_ref(dst0, src0, size * SIZEOF_PIXEL); call_new(dst1, src1, size * SIZEOF_PIXEL); if (memcmp(buf0, buf1, BUF_SIZE) || memcmp(dst0, dst1, BUF_SIZE)) fail(); bench_new(dst1, src1, size * SIZEOF_PIXEL); } } } report("%s", op_name); } }