diff options
Diffstat (limited to 'libavcodec/x86/takdsp_init.c')
-rw-r--r-- | libavcodec/x86/takdsp_init.c | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/libavcodec/x86/takdsp_init.c b/libavcodec/x86/takdsp_init.c new file mode 100644 index 0000000..fe0c846 --- /dev/null +++ b/libavcodec/x86/takdsp_init.c @@ -0,0 +1,45 @@ +/* + * Copyright (c) 2015 Paul B Mahol + * + * 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 "libavcodec/takdsp.h" +#include "libavutil/x86/cpu.h" +#include "config.h" + +void ff_tak_decorrelate_ls_sse2(int32_t *p1, int32_t *p2, int length); +void ff_tak_decorrelate_sr_sse2(int32_t *p1, int32_t *p2, int length); +void ff_tak_decorrelate_sm_sse2(int32_t *p1, int32_t *p2, int length); +void ff_tak_decorrelate_sf_sse4(int32_t *p1, int32_t *p2, int length, int dshift, int dfactor); + +av_cold void ff_takdsp_init_x86(TAKDSPContext *c) +{ +#if HAVE_X86ASM + int cpu_flags = av_get_cpu_flags(); + + if (EXTERNAL_SSE2(cpu_flags)) { + c->decorrelate_ls = ff_tak_decorrelate_ls_sse2; + c->decorrelate_sr = ff_tak_decorrelate_sr_sse2; + c->decorrelate_sm = ff_tak_decorrelate_sm_sse2; + } + + if (EXTERNAL_SSE4(cpu_flags)) { + c->decorrelate_sf = ff_tak_decorrelate_sf_sse4; + } +#endif +} |