00001 /* 00002 * This file is part of Libav. 00003 * 00004 * Libav is free software; you can redistribute it and/or 00005 * modify it under the terms of the GNU Lesser General Public 00006 * License as published by the Free Software Foundation; either 00007 * version 2.1 of the License, or (at your option) any later version. 00008 * 00009 * Libav is distributed in the hope that it will be useful, 00010 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00011 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00012 * Lesser General Public License for more details. 00013 * 00014 * You should have received a copy of the GNU Lesser General Public 00015 * License along with Libav; if not, write to the Free Software 00016 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 00017 */ 00018 00019 #include "libavutil/cpu.h" 00020 #include "libavcodec/v210dec.h" 00021 00022 extern void ff_v210_planar_unpack_unaligned_ssse3(const uint32_t *src, uint16_t *y, uint16_t *u, uint16_t *v, int width); 00023 extern void ff_v210_planar_unpack_unaligned_avx(const uint32_t *src, uint16_t *y, uint16_t *u, uint16_t *v, int width); 00024 00025 extern void ff_v210_planar_unpack_aligned_ssse3(const uint32_t *src, uint16_t *y, uint16_t *u, uint16_t *v, int width); 00026 extern void ff_v210_planar_unpack_aligned_avx(const uint32_t *src, uint16_t *y, uint16_t *u, uint16_t *v, int width); 00027 00028 av_cold void v210_x86_init(V210DecContext *s) 00029 { 00030 int cpu_flags = av_get_cpu_flags(); 00031 00032 #if HAVE_YASM 00033 if (s->aligned_input) { 00034 if (cpu_flags & AV_CPU_FLAG_SSSE3) 00035 s->unpack_frame = ff_v210_planar_unpack_aligned_ssse3; 00036 00037 if (HAVE_AVX && cpu_flags & AV_CPU_FLAG_AVX) 00038 s->unpack_frame = ff_v210_planar_unpack_aligned_avx; 00039 } 00040 else { 00041 if (cpu_flags & AV_CPU_FLAG_SSSE3) 00042 s->unpack_frame = ff_v210_planar_unpack_unaligned_ssse3; 00043 00044 if (HAVE_AVX && cpu_flags & AV_CPU_FLAG_AVX) 00045 s->unpack_frame = ff_v210_planar_unpack_unaligned_avx; 00046 } 00047 #endif 00048 }