diff options
author | Mans Rullgard <mans@mansr.com> | 2012-09-09 22:25:43 +0400 |
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committer | Mans Rullgard <mans@mansr.com> | 2012-09-13 22:15:42 +0400 |
commit | 643b5b794f095a1d679568a3a6b3106a1dfd6cdb (patch) | |
tree | 23e3e93ab7fcac1ffbd61373cca38195ab5db381 /libavresample/arm/audio_convert_init.c | |
parent | ca6b544ac9d07dcd4d151d5729f0bf52f4f8653d (diff) |
ARM: libavresample: NEON optimised flat float to s16 conversion
Signed-off-by: Mans Rullgard <mans@mansr.com>
Diffstat (limited to 'libavresample/arm/audio_convert_init.c')
-rw-r--r-- | libavresample/arm/audio_convert_init.c | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/libavresample/arm/audio_convert_init.c b/libavresample/arm/audio_convert_init.c new file mode 100644 index 0000000000..7c46a80c5c --- /dev/null +++ b/libavresample/arm/audio_convert_init.c @@ -0,0 +1,39 @@ +/* + * This file is part of Libav. + * + * Libav 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. + * + * Libav 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 Libav; 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/cpu.h" +#include "libavutil/arm/cpu.h" +#include "libavutil/samplefmt.h" +#include "libavresample/audio_convert.h" + +void ff_conv_flt_to_s16_neon(int16_t *dst, const float *src, int len); + +av_cold void ff_audio_convert_init_arm(AudioConvert *ac) +{ + int cpu_flags = av_get_cpu_flags(); + + if (have_neon(cpu_flags)) { + ff_audio_convert_set_func(ac, AV_SAMPLE_FMT_S16, AV_SAMPLE_FMT_FLT, + 0, 16, 8, "NEON", + ff_conv_flt_to_s16_neon); + } +} |