diff options
| author | Michael Niedermayer | 2013-06-04 14:54:58 +0200 |
|---|---|---|
| committer | Michael Niedermayer | 2013-06-04 15:12:11 +0200 |
| commit | b84de51f548aabf478f84dfa38e4d5ca0b0ffe1f (patch) | |
| tree | e4657b10e74b6e338a90bc3e3ce4ee3bbe64b1f5 /libswresample/rematrix.c | |
| parent | f3c638eac1e37127ab3ad1a5fa49bf39fb357dfa (diff) | |
swresample/rematrix: add S32 mixing code
Needed for dithering S32
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libswresample/rematrix.c')
| -rw-r--r-- | libswresample/rematrix.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/libswresample/rematrix.c b/libswresample/rematrix.c index 84c55ee00c..3abfb3e760 100644 --- a/libswresample/rematrix.c +++ b/libswresample/rematrix.c @@ -34,6 +34,10 @@ #include "rematrix_template.c" #undef TEMPLATE_REMATRIX_S16 +#define TEMPLATE_REMATRIX_S32 +#include "rematrix_template.c" +#undef TEMPLATE_REMATRIX_S32 + #define FRONT_LEFT 0 #define FRONT_RIGHT 1 #define FRONT_CENTER 2 @@ -366,6 +370,17 @@ av_cold int swri_rematrix_init(SwrContext *s){ s->mix_1_1_f = (mix_1_1_func_type*)copy_double; s->mix_2_1_f = (mix_2_1_func_type*)sum2_double; s->mix_any_f = (mix_any_func_type*)get_mix_any_func_double(s); + }else if(s->midbuf.fmt == AV_SAMPLE_FMT_S32P){ + // Only for dithering currently +// s->native_matrix = av_calloc(nb_in * nb_out, sizeof(double)); + s->native_one = av_mallocz(sizeof(int)); +// for (i = 0; i < nb_out; i++) +// for (j = 0; j < nb_in; j++) +// ((double*)s->native_matrix)[i * nb_in + j] = s->matrix[i][j]; + *((int*)s->native_one) = 32768; + s->mix_1_1_f = (mix_1_1_func_type*)copy_s32; + s->mix_2_1_f = (mix_2_1_func_type*)sum2_s32; + s->mix_any_f = (mix_any_func_type*)get_mix_any_func_s32(s); }else av_assert0(0); //FIXME quantize for integeres |