}
}
}
+
+#define D(type, simd) \
+mix_1_1_func_type ff_mix_1_1_a_## type ## _ ## simd;\
+mix_2_1_func_type ff_mix_2_1_a_## type ## _ ## simd;
+
+D(float, sse)
+D(float, avx)
+D(int16, mmx)
+D(int16, sse)
+
+
+void swri_rematrix_init_x86(struct SwrContext *s){
+ int mm_flags = av_get_cpu_flags();
+ int nb_in = av_get_channel_layout_nb_channels(s->in_ch_layout);
+ int nb_out = av_get_channel_layout_nb_channels(s->out_ch_layout);
+ int num = nb_in * nb_out;
+ int i,j;
+
+ s->mix_1_1_simd = NULL;
+ s->mix_2_1_simd = NULL;
+
+ if (s->midbuf.fmt == AV_SAMPLE_FMT_S16P){
+ if(mm_flags & AV_CPU_FLAG_MMX) {
+ s->mix_1_1_simd = ff_mix_1_1_a_int16_mmx;
+ s->mix_2_1_simd = ff_mix_2_1_a_int16_mmx;
+ }
+ if(mm_flags & AV_CPU_FLAG_SSE) {
+ s->mix_1_1_simd = ff_mix_1_1_a_int16_sse;
+ s->mix_2_1_simd = ff_mix_2_1_a_int16_sse;
+ }
+ s->native_simd_matrix = av_mallocz(2 * num * sizeof(int16_t));
+ for(i=0; i<nb_out; i++){
+ int sh = 0;
+ for(j=0; j<nb_in; j++)
+ sh = FFMAX(sh, FFABS(((int*)s->native_matrix)[i * nb_in + j]));
+ sh = FFMAX(av_log2(sh) - 14, 0);
+ for(j=0; j<nb_in; j++) {
+ ((int16_t*)s->native_simd_matrix)[2*(i * nb_in + j)+1] = 15 - sh;
+ ((int16_t*)s->native_simd_matrix)[2*(i * nb_in + j)] =
+ ((((int*)s->native_matrix)[i * nb_in + j]) + (1<<sh>>1)) >> sh;
+ }
+ }
+ } else if(s->midbuf.fmt == AV_SAMPLE_FMT_FLTP){
+ if(mm_flags & AV_CPU_FLAG_SSE) {
+ s->mix_1_1_simd = ff_mix_1_1_a_float_sse;
+ s->mix_2_1_simd = ff_mix_2_1_a_float_sse;
+ }
+ if(HAVE_AVX && mm_flags & AV_CPU_FLAG_AVX) {
+ s->mix_1_1_simd = ff_mix_1_1_a_float_avx;
+ s->mix_2_1_simd = ff_mix_2_1_a_float_avx;
+ }
+ s->native_simd_matrix = av_mallocz(num * sizeof(float));
+ memcpy(s->native_simd_matrix, s->native_matrix, num * sizeof(float));
+ }
+}