diff options
author | Paul B Mahol <onemda@gmail.com> | 2017-01-26 17:03:08 +0100 |
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committer | Paul B Mahol <onemda@gmail.com> | 2017-05-09 20:47:52 +0200 |
commit | 49bbfb9d13936ee8bb7fee9983ca3710dc683a2e (patch) | |
tree | f132a0d6a8f1dc1b06e76725eca90fbfb248bc06 /libavfilter/x86/af_afir_init.c | |
parent | f1a4dd5e480932ee580fb686988599d46bb71637 (diff) |
avfilter: add arbitrary audio FIR filter
Signed-off-by: Paul B Mahol <onemda@gmail.com>
Diffstat (limited to 'libavfilter/x86/af_afir_init.c')
-rw-r--r-- | libavfilter/x86/af_afir_init.c | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/libavfilter/x86/af_afir_init.c b/libavfilter/x86/af_afir_init.c new file mode 100644 index 0000000000..6a652b9b83 --- /dev/null +++ b/libavfilter/x86/af_afir_init.c @@ -0,0 +1,35 @@ +/* + * 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 "config.h" +#include "libavutil/attributes.h" +#include "libavutil/cpu.h" +#include "libavutil/x86/cpu.h" +#include "libavfilter/af_afir.h" + +void ff_fcmul_add_sse3(float *sum, const float *t, const float *c, + ptrdiff_t len); + +av_cold void ff_afir_init_x86(AudioFIRContext *s) +{ + int cpu_flags = av_get_cpu_flags(); + + if (EXTERNAL_SSE3(cpu_flags)) { + s->fcmul_add = ff_fcmul_add_sse3; + } +} |