2 Copyright (C) 2000-2005 Paul Davis
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.
21 #include "ardour/types.h"
22 #include "ardour/utils.h"
23 #include "ardour/mix.h"
24 #include "ardour/runtime_functions.h"
27 using namespace ARDOUR
;
29 #if defined (ARCH_X86) && defined (BUILD_SSE_OPTIMIZATIONS)
33 debug_compute_peak (ARDOUR::Sample
*buf
, nframes_t nsamples
, float current
)
35 if ( ((intptr_t)buf
% 16) != 0) {
36 std::cerr
<< "compute_peak(): buffer unaligned!" << std::endl
;
39 return x86_sse_compute_peak(buf
, nsamples
, current
);
43 debug_apply_gain_to_buffer (ARDOUR::Sample
*buf
, nframes_t nframes
, float gain
)
45 if ( ((intptr_t)buf
% 16) != 0) {
46 std::cerr
<< "apply_gain_to_buffer(): buffer unaligned!" << std::endl
;
49 x86_sse_apply_gain_to_buffer(buf
, nframes
, gain
);
53 debug_mix_buffers_with_gain (ARDOUR::Sample
*dst
, ARDOUR::Sample
*src
, nframes_t nframes
, float gain
)
55 if ( ((intptr_t)dst
& 15) != 0) {
56 std::cerr
<< "mix_buffers_with_gain(): dst unaligned!" << std::endl
;
59 if ( ((intptr_t)dst
& 15) != ((intptr_t)src
& 15) ) {
60 std::cerr
<< "mix_buffers_with_gain(): dst & src don't have the same alignment!" << std::endl
;
61 mix_buffers_with_gain(dst
, src
, nframes
, gain
);
63 x86_sse_mix_buffers_with_gain(dst
, src
, nframes
, gain
);
68 debug_mix_buffers_no_gain (ARDOUR::Sample
*dst
, ARDOUR::Sample
*src
, nframes_t nframes
)
70 if ( ((intptr_t)dst
& 15) != 0) {
71 std::cerr
<< "mix_buffers_no_gain(): dst unaligned!" << std::endl
;
74 if ( ((intptr_t)dst
& 15) != ((intptr_t)src
& 15) ) {
75 std::cerr
<< "mix_buffers_no_gain(): dst & src don't have the same alignment!" << std::endl
;
76 mix_buffers_no_gain(dst
, src
, nframes
);
78 x86_sse_mix_buffers_no_gain(dst
, src
, nframes
);
86 default_compute_peak (const ARDOUR::Sample
* buf
, nframes_t nsamples
, float current
)
88 for (nframes_t i
= 0; i
< nsamples
; ++i
) {
89 current
= f_max (current
, fabsf (buf
[i
]));
96 default_find_peaks (const ARDOUR::Sample
* buf
, nframes_t nframes
, float *min
, float *max
)
104 for (i
= 0; i
< nframes
; i
++)
106 a
= fmax (buf
[i
], a
);
107 b
= fmin (buf
[i
], b
);
115 default_apply_gain_to_buffer (ARDOUR::Sample
* buf
, nframes_t nframes
, float gain
)
117 for (nframes_t i
=0; i
<nframes
; i
++)
122 default_mix_buffers_with_gain (ARDOUR::Sample
* dst
, const ARDOUR::Sample
* src
, nframes_t nframes
, float gain
)
124 for (nframes_t i
= 0; i
< nframes
; i
++) {
125 dst
[i
] += src
[i
] * gain
;
130 default_mix_buffers_no_gain (ARDOUR::Sample
* dst
, const ARDOUR::Sample
* src
, nframes_t nframes
)
132 for (nframes_t i
=0; i
< nframes
; i
++) {
137 #if defined (__APPLE__) && defined (BUILD_VECLIB_OPTIMIZATIONS)
138 #include <Accelerate/Accelerate.h>
141 veclib_compute_peak (const ARDOUR::Sample
* buf
, nframes_t nsamples
, float current
)
144 vDSP_maxmgv(buf
, 1, &tmpmax
, nsamples
);
145 return f_max(current
, tmpmax
);
149 veclib_find_peaks (const ARDOUR::Sample
* buf
, nframes_t nframes
, float *min
, float *max
)
151 vDSP_maxv (const_cast<ARDOUR::Sample
*>(buf
), 1, max
, nframes
);
152 vDSP_minv (const_cast<ARDOUR::Sample
*>(buf
), 1, min
, nframes
);
156 veclib_apply_gain_to_buffer (ARDOUR::Sample
* buf
, nframes_t nframes
, float gain
)
158 vDSP_vsmul(buf
, 1, &gain
, buf
, 1, nframes
);
162 veclib_mix_buffers_with_gain (ARDOUR::Sample
* dst
, const ARDOUR::Sample
* src
, nframes_t nframes
, float gain
)
164 vDSP_vsma(src
, 1, &gain
, dst
, 1, dst
, 1, nframes
);
168 veclib_mix_buffers_no_gain (ARDOUR::Sample
* dst
, const ARDOUR::Sample
* src
, nframes_t nframes
)
170 // It seems that a vector mult only operation does not exist...
172 vDSP_vsma(src
, 1, &gain
, dst
, 1, dst
, 1, nframes
);