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| author | Muhammad Faiz <mfcc64@gmail.com> | 2017-03-16 12:35:11 +0700 |
|---|---|---|
| committer | Muhammad Faiz <mfcc64@gmail.com> | 2017-03-18 13:57:03 +0700 |
| commit | c52638cca255737eb060dcdedf5be4414e622e82 (patch) | |
| tree | efda3397661fb7c10955ae312e9e6826ac5be206 | |
| parent | 9e6b269fea260a4f4cd15d1c0f77b21addee342a (diff) | |
| download | ffmpeg-c52638cca255737eb060dcdedf5be4414e622e82.tar.gz | |
swresample/swresample: do not use s32p internally by default when resampling
use fltp when doing s32 -> s32 resampling
because s32p has no simd optimization
benchmark:
old 17.913s
new 7.584s (use fma3)
Reviewed-by: wm4 <nfxjfg@googlemail.com>
Signed-off-by: Muhammad Faiz <mfcc64@gmail.com>
| -rw-r--r-- | libswresample/swresample.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/libswresample/swresample.c b/libswresample/swresample.c index f2e66005eb..74c96dce60 100644 --- a/libswresample/swresample.c +++ b/libswresample/swresample.c @@ -223,6 +223,8 @@ av_cold int swr_init(struct SwrContext *s){ }else if( av_get_planar_sample_fmt(s-> in_sample_fmt) == AV_SAMPLE_FMT_S32P && av_get_planar_sample_fmt(s->out_sample_fmt) == AV_SAMPLE_FMT_S32P && !s->rematrix + && s->out_sample_rate == s->in_sample_rate + && !(s->flags & SWR_FLAG_RESAMPLE) && s->engine != SWR_ENGINE_SOXR){ s->int_sample_fmt= AV_SAMPLE_FMT_S32P; }else if(av_get_bytes_per_sample(s->in_sample_fmt) <= 4){ |