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swr: 5.1->stereo double, float and s16

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2.5 times faster than the generic code

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer
2012-06-08 21:56:20 +02:00
parent ca30ae12c5
commit b0348158a0
2 changed files with 22 additions and 0 deletions
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3
libswresample/rematrix.c
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@@ -307,6 +307,7 @@ int swri_rematrix_init(SwrContext *s){
*((int*)s->native_one) = 32768;
s->mix_1_1_f = copy_s16;
s->mix_2_1_f = sum2_s16;
s->mix_any_f = get_mix_any_func_s16(s);
}else if(s->midbuf.fmt == AV_SAMPLE_FMT_FLTP){
s->native_matrix = av_mallocz(nb_in * nb_out * sizeof(float));
s->native_one = av_mallocz(sizeof(float));
@@ -316,6 +317,7 @@ int swri_rematrix_init(SwrContext *s){
*((float*)s->native_one) = 1.0;
s->mix_1_1_f = copy_float;
s->mix_2_1_f = sum2_float;
s->mix_any_f = get_mix_any_func_float(s);
}else if(s->midbuf.fmt == AV_SAMPLE_FMT_DBLP){
s->native_matrix = av_mallocz(nb_in * nb_out * sizeof(double));
s->native_one = av_mallocz(sizeof(double));
@@ -325,6 +327,7 @@ int swri_rematrix_init(SwrContext *s){
*((double*)s->native_one) = 1.0;
s->mix_1_1_f = copy_double;
s->mix_2_1_f = sum2_double;
s->mix_any_f = get_mix_any_func_double(s);
}else
av_assert0(0);
//FIXME quantize for integeres