2 Copyright (C) 2005 Sampo Savolainen
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
19 #ifndef __ardour_mix_h__
20 #define __ardour_mix_h__
22 #include <ardour/types.h>
23 #include <ardour/utils.h>
24 #include <ardour/io.h>
26 #if defined (ARCH_X86) && defined (BUILD_SSE_OPTIMIZATIONS)
30 float x86_sse_compute_peak (ARDOUR::Sample *buf, nframes_t nsamples, float current);
32 void x86_sse_apply_gain_to_buffer (ARDOUR::Sample *buf, nframes_t nframes, float gain);
34 void x86_sse_mix_buffers_with_gain (ARDOUR::Sample *dst, ARDOUR::Sample *src, nframes_t nframes, float gain);
36 void x86_sse_mix_buffers_no_gain (ARDOUR::Sample *dst, ARDOUR::Sample *src, nframes_t nframes);
39 void x86_sse_find_peaks (ARDOUR::Sample *buf, nframes_t nsamples, float *min, float *max);
41 /* debug wrappers for SSE functions */
43 float debug_compute_peak (ARDOUR::Sample *buf, nframes_t nsamples, float current);
45 void debug_apply_gain_to_buffer (ARDOUR::Sample *buf, nframes_t nframes, float gain);
47 void debug_mix_buffers_with_gain (ARDOUR::Sample *dst, ARDOUR::Sample *src, nframes_t nframes, float gain);
49 void debug_mix_buffers_no_gain (ARDOUR::Sample *dst, ARDOUR::Sample *src, nframes_t nframes);
53 #if defined (__APPLE__)
55 float veclib_compute_peak (ARDOUR::Sample *buf, nframes_t nsamples, float current);
57 void veclib_find_peaks (ARDOUR::Sample *buf, nframes_t nsamples, float *min, float *max);
59 void veclib_apply_gain_to_buffer (ARDOUR::Sample *buf, nframes_t nframes, float gain);
61 void veclib_mix_buffers_with_gain (ARDOUR::Sample *dst, ARDOUR::Sample *src, nframes_t nframes, float gain);
63 void veclib_mix_buffers_no_gain (ARDOUR::Sample *dst, ARDOUR::Sample *src, nframes_t nframes);
67 /* non-optimized functions */
69 float compute_peak (ARDOUR::Sample *buf, nframes_t nsamples, float current);
71 void find_peaks (ARDOUR::Sample *buf, nframes_t nsamples, float *min, float *max);
73 void apply_gain_to_buffer (ARDOUR::Sample *buf, nframes_t nframes, float gain);
75 void mix_buffers_with_gain (ARDOUR::Sample *dst, ARDOUR::Sample *src, nframes_t nframes, float gain);
77 void mix_buffers_no_gain (ARDOUR::Sample *dst, ARDOUR::Sample *src, nframes_t nframes);
79 #endif /* __ardour_mix_h__ */