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author | Michael Niedermayer <michaelni@gmx.at> | 2014-04-25 01:18:55 +0200 |
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committer | Michael Niedermayer <michaelni@gmx.at> | 2014-04-25 01:19:27 +0200 |
commit | e32fc9b45b114705b1503255e0a079cb69341ea7 (patch) | |
tree | 23305cb93931c0a9a0e13e40814055eee4f0e0b8 /libavresample/aarch64/resample_init.c | |
parent | 26953ed2e39d7ffbe5125c901d665a5dddab45dd (diff) | |
parent | a24a252709dd38f12aa4929ce4981f87091a5113 (diff) |
Merge commit 'a24a252709dd38f12aa4929ce4981f87091a5113'
* commit 'a24a252709dd38f12aa4929ce4981f87091a5113':
aarch64: NEON optimized FIR audio resampling
Merged-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libavresample/aarch64/resample_init.c')
-rw-r--r-- | libavresample/aarch64/resample_init.c | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/libavresample/aarch64/resample_init.c b/libavresample/aarch64/resample_init.c new file mode 100644 index 0000000000..d3dfb12a57 --- /dev/null +++ b/libavresample/aarch64/resample_init.c @@ -0,0 +1,71 @@ +/* + * 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/cpu.h" +#include "libavutil/aarch64/cpu.h" +#include "libavutil/internal.h" +#include "libavutil/samplefmt.h" +#include "libavresample/resample.h" + +#include "asm-offsets.h" + +AV_CHECK_OFFSET(struct ResampleContext, filter_bank, FILTER_BANK); +AV_CHECK_OFFSET(struct ResampleContext, filter_length, FILTER_LENGTH); +AV_CHECK_OFFSET(struct ResampleContext, phase_shift, PHASE_SHIFT); +AV_CHECK_OFFSET(struct ResampleContext, phase_mask, PHASE_MASK); + +void ff_resample_one_dbl_neon(struct ResampleContext *c, void *dst0, + int dst_index, const void *src0, + unsigned int index, int frac); +void ff_resample_one_flt_neon(struct ResampleContext *c, void *dst0, + int dst_index, const void *src0, + unsigned int index, int frac); +void ff_resample_one_s16_neon(struct ResampleContext *c, void *dst0, + int dst_index, const void *src0, + unsigned int index, int frac); +void ff_resample_one_s32_neon(struct ResampleContext *c, void *dst0, + int dst_index, const void *src0, + unsigned int index, int frac); + +void ff_audio_resample_init_aarch64(ResampleContext *c, + enum AVSampleFormat sample_fmt) +{ + int cpu_flags = av_get_cpu_flags(); + + if (have_neon(cpu_flags)) { + if (!c->linear) { + switch (sample_fmt) { + case AV_SAMPLE_FMT_DBLP: + c->resample_one = ff_resample_one_dbl_neon; + break; + case AV_SAMPLE_FMT_FLTP: + c->resample_one = ff_resample_one_flt_neon; + break; + case AV_SAMPLE_FMT_S16P: + c->resample_one = ff_resample_one_s16_neon; + break; + case AV_SAMPLE_FMT_S32P: + c->resample_one = ff_resample_one_s32_neon; + break; + } + } + } +} |