-LIBARDOUR_API void x86_sse_find_peaks (const ARDOUR::Sample * buf, ARDOUR::pframes_t nsamples, float *min, float *max);
+extern "C" {
+/* AVX functions */
+ LIBARDOUR_API float x86_sse_avx_compute_peak (const float * buf, uint32_t nsamples, float current);
+ LIBARDOUR_API void x86_sse_avx_apply_gain_to_buffer (float * buf, uint32_t nframes, float gain);
+ LIBARDOUR_API void x86_sse_avx_mix_buffers_with_gain(float * dst, const float * src, uint32_t nframes, float gain);
+ LIBARDOUR_API void x86_sse_avx_mix_buffers_no_gain (float * dst, const float * src, uint32_t nframes);
+ LIBARDOUR_API void x86_sse_avx_copy_vector (float * dst, const float * src, uint32_t nframes);
+}
+
+LIBARDOUR_API void x86_sse_find_peaks (const float * buf, uint32_t nsamples, float *min, float *max);
+LIBARDOUR_API void x86_sse_avx_find_peaks (const float * buf, uint32_t nsamples, float *min, float *max);