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lswr/rematrix: Support s32p.

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Fixes ticket #6785.
This commit is contained in:
Carl Eugen Hoyos 2017-10-28 22:52:02 +02:00
parent 7a02b364b6
commit ff994c2aaa
2 changed files with 15 additions and 6 deletions
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19
libswresample/rematrix.c
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@ -445,14 +445,23 @@ av_cold int swri_rematrix_init(SwrContext *s){
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));
if (!s->native_one)
return AVERROR(ENOMEM);
// 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];
s->native_matrix = av_calloc(nb_in * nb_out, sizeof(int));
if (!s->native_matrix) {
av_freep(&s->native_one);
return AVERROR(ENOMEM);
}
for (i = 0; i < nb_out; i++) {
double rem = 0;
for (j = 0; j < nb_in; j++) {
double target = s->matrix[i][j] * 32768 + rem;
((int*)s->native_matrix)[i * nb_in + j] = lrintf(target);
rem += target - ((int*)s->native_matrix)[i * nb_in + 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;

2
libswresample/version.h
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@ -30,7 +30,7 @@
#define LIBSWRESAMPLE_VERSION_MAJOR 3
#define LIBSWRESAMPLE_VERSION_MINOR 0
#define LIBSWRESAMPLE_VERSION_MICRO 100
#define LIBSWRESAMPLE_VERSION_MICRO 101
#define LIBSWRESAMPLE_VERSION_INT AV_VERSION_INT(LIBSWRESAMPLE_VERSION_MAJOR, \
LIBSWRESAMPLE_VERSION_MINOR, \