/* * This file is part of FFmpeg. * * FFmpeg is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 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 * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser 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 <stdint.h> #include "config.h" #include "libavutil/attributes.h" #include "libavutil/internal.h" #include "libavutil/cpu.h" #include "libavutil/x86/cpu.h" #include "libavcodec/blockdsp.h" #include "libavcodec/version.h" void ff_clear_block_mmx(int16_t *block); void ff_clear_block_sse(int16_t *block); void ff_clear_blocks_mmx(int16_t *blocks); void ff_clear_blocks_sse(int16_t *blocks); av_cold void ff_blockdsp_init_x86(BlockDSPContext *c, unsigned high_bit_depth, AVCodecContext *avctx) { #if HAVE_YASM int cpu_flags = av_get_cpu_flags(); if (!high_bit_depth) { if (EXTERNAL_MMX(cpu_flags)) { c->clear_block = ff_clear_block_mmx; c->clear_blocks = ff_clear_blocks_mmx; } /* XvMCCreateBlocks() may not allocate 16-byte aligned blocks */ if (CONFIG_XVMC && avctx->hwaccel && avctx->hwaccel->decode_mb) return; if (EXTERNAL_SSE(cpu_flags)) { c->clear_block = ff_clear_block_sse; c->clear_blocks = ff_clear_blocks_sse; } } #endif /* HAVE_YASM */ }