Ardour  8.12
ardour/ardour/mix.h
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1 /*
2  * Copyright (C) 2006-2011 David Robillard <d@drobilla.net>
3  * Copyright (C) 2007-2015 Paul Davis <paul@linuxaudiosystems.com>
4  *
5  * This program is free software; you can redistribute it and/or modify
6  * it under the terms of the GNU General Public License as published by
7  * the Free Software Foundation; either version 2 of the License, or
8  * (at your option) any later version.
9  *
10  * This program is distributed in the hope that it will be useful,
11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13  * GNU General Public License for more details.
14  *
15  * You should have received a copy of the GNU General Public License along
16  * with this program; if not, write to the Free Software Foundation, Inc.,
17  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
18  */
19 #ifndef __ardour_mix_h__
20 #define __ardour_mix_h__
21 
22 #include "ardour/libardour_visibility.h"
23 #include "ardour/types.h"
24 #include "ardour/utils.h"
25 
26 #if defined (ARCH_X86) && defined (BUILD_SSE_OPTIMIZATIONS)
27 
28 extern "C" {
29 /* SSE functions */
30  LIBARDOUR_API float x86_sse_compute_peak (float const* buf, uint32_t nsamples, float current);
31  LIBARDOUR_API void x86_sse_apply_gain_to_buffer (float* buf, uint32_t nframes, float gain);
32  LIBARDOUR_API void x86_sse_mix_buffers_with_gain(float* dst, float const* src, uint32_t nframes, float gain);
33  LIBARDOUR_API void x86_sse_mix_buffers_no_gain (float* dst, float const* src, uint32_t nframes);
34 }
35 
36 LIBARDOUR_API void x86_sse_find_peaks (float const* buf, uint32_t nsamples, float* min, float* max);
37 
38 extern "C" {
39 /* AVX functions */
40  LIBARDOUR_API float x86_sse_avx_compute_peak (float const* buf, uint32_t nsamples, float current);
41  LIBARDOUR_API void x86_sse_avx_apply_gain_to_buffer (float* buf, uint32_t nframes, float gain);
42  LIBARDOUR_API void x86_sse_avx_mix_buffers_with_gain (float* dst, float const* src, uint32_t nframes, float gain);
43  LIBARDOUR_API void x86_sse_avx_mix_buffers_no_gain (float* dst, float const* src, uint32_t nframes);
44  LIBARDOUR_API void x86_sse_avx_copy_vector (float* dst, float const* src, uint32_t nframes);
45 #ifndef PLATFORM_WINDOWS
46  LIBARDOUR_API void x86_sse_avx_find_peaks (float const* buf, uint32_t nsamples, float* min, float* max);
47 #endif
48 }
49 #ifdef PLATFORM_WINDOWS
50 LIBARDOUR_API void x86_sse_avx_find_peaks (float const* buf, uint32_t nsamples, float* min, float* max);
51 #endif
52 
53 /* FMA functions */
54 #ifdef FPU_AVX_FMA_SUPPORT
55 LIBARDOUR_API void x86_fma_mix_buffers_with_gain (float* dst, float const* src, uint32_t nframes, float gain);
56 #endif
57 
58 /* AVX512F functions */
59 #ifdef FPU_AVX512F_SUPPORT
60 LIBARDOUR_API float x86_avx512f_compute_peak (float const* buf, uint32_t nsamples, float current);
61 LIBARDOUR_API void x86_avx512f_apply_gain_to_buffer (float* buf, uint32_t nframes, float gain);
62 LIBARDOUR_API void x86_avx512f_mix_buffers_with_gain (float* dst, float const* src, uint32_t nframes, float gain);
63 LIBARDOUR_API void x86_avx512f_mix_buffers_no_gain (float* dst, float const* src, uint32_t nframes);
64 LIBARDOUR_API void x86_avx512f_copy_vector (float* dst, float const* src, uint32_t nframes);
65 LIBARDOUR_API void x86_avx512f_find_peaks (float const* buf, uint32_t nsamples, float* min, float* max);
66 #endif
67 
68 /* debug wrappers for SSE functions */
69 
70 LIBARDOUR_API float debug_compute_peak (ARDOUR::Sample const* buf, ARDOUR::pframes_t nsamples, float current);
71 LIBARDOUR_API void debug_apply_gain_to_buffer (ARDOUR::Sample* buf, ARDOUR::pframes_t nframes, float gain);
72 LIBARDOUR_API void debug_mix_buffers_with_gain (ARDOUR::Sample* dst, ARDOUR::Sample const* src, ARDOUR::pframes_t nframes, float gain);
73 LIBARDOUR_API void debug_mix_buffers_no_gain (ARDOUR::Sample* dst, ARDOUR::Sample const* src, ARDOUR::pframes_t nframes);
74 LIBARDOUR_API void debug_copy_vector (ARDOUR::Sample* dst, ARDOUR::Sample const* src, ARDOUR::pframes_t nframes);
75 
76 #endif
77 
78 #if defined (__APPLE__)
79 
80 LIBARDOUR_API float veclib_compute_peak (ARDOUR::Sample const* buf, ARDOUR::pframes_t nsamples, float current);
81 LIBARDOUR_API void veclib_apply_gain_to_buffer (ARDOUR::Sample* buf, ARDOUR::pframes_t nframes, float gain);
82 LIBARDOUR_API void veclib_mix_buffers_with_gain (ARDOUR::Sample* dst, ARDOUR::Sample const* src, ARDOUR::pframes_t nframes, float gain);
83 LIBARDOUR_API void veclib_mix_buffers_no_gain (ARDOUR::Sample* dst, ARDOUR::Sample const* src, ARDOUR::pframes_t nframes);
84 LIBARDOUR_API void veclib_find_peaks (ARDOUR::Sample const* buf, ARDOUR::pframes_t nsamples, float* min, float* max);
85 
86 #endif
87 
88 #if defined ARM_NEON_SUPPORT
89 /* Optimized NEON functions */
90 extern "C" {
91  LIBARDOUR_API float arm_neon_compute_peak (float const* buf, uint32_t nsamples, float current);
92  LIBARDOUR_API void arm_neon_apply_gain_to_buffer (float* buf, uint32_t nframes, float gain);
93  LIBARDOUR_API void arm_neon_copy_vector (float* dst, float const* src, uint32_t nframes);
94  LIBARDOUR_API void arm_neon_find_peaks (float const* src, uint32_t nframes, float* minf, float* maxf);
95  LIBARDOUR_API void arm_neon_mix_buffers_no_gain (float* dst, float const* src, uint32_t nframes);
96  LIBARDOUR_API void arm_neon_mix_buffers_with_gain (float* dst, float const* src, uint32_t nframes, float gain);
97 }
98 #endif
99 
100 /* non-optimized functions */
101 
102 LIBARDOUR_API float default_compute_peak (ARDOUR::Sample const* buf, ARDOUR::pframes_t nsamples, float current);
103 LIBARDOUR_API void default_find_peaks (ARDOUR::Sample const* buf, ARDOUR::pframes_t nsamples, float* min, float* max);
104 LIBARDOUR_API void default_apply_gain_to_buffer (ARDOUR::Sample* buf, ARDOUR::pframes_t nframes, float gain);
105 LIBARDOUR_API void default_mix_buffers_with_gain (ARDOUR::Sample* dst, ARDOUR::Sample const* src, ARDOUR::pframes_t nframes, float gain);
106 LIBARDOUR_API void default_mix_buffers_no_gain (ARDOUR::Sample* dst, ARDOUR::Sample const* src, ARDOUR::pframes_t nframes);
107 LIBARDOUR_API void default_copy_vector (ARDOUR::Sample* dst, ARDOUR::Sample const* src, ARDOUR::pframes_t nframes);
108 
109 #endif /* __ardour_mix_h__ */
default_find_peaks
void default_find_peaks(ARDOUR::Sample const *buf, ARDOUR::pframes_t nsamples, float *min, float *max)
default_apply_gain_to_buffer
void default_apply_gain_to_buffer(ARDOUR::Sample *buf, ARDOUR::pframes_t nframes, float gain)
default_compute_peak
float default_compute_peak(ARDOUR::Sample const *buf, ARDOUR::pframes_t nsamples, float current)
default_copy_vector
void default_copy_vector(ARDOUR::Sample *dst, ARDOUR::Sample const *src, ARDOUR::pframes_t nframes)
default_mix_buffers_no_gain
void default_mix_buffers_no_gain(ARDOUR::Sample *dst, ARDOUR::Sample const *src, ARDOUR::pframes_t nframes)
default_mix_buffers_with_gain
void default_mix_buffers_with_gain(ARDOUR::Sample *dst, ARDOUR::Sample const *src, ARDOUR::pframes_t nframes, float gain)
libardour_visibility.h
LIBARDOUR_API
#define LIBARDOUR_API
Definition: libardour_visibility.h:39
ARDOUR::Properties::gain
PBD::PropertyDescriptor< gain_t > gain
ARDOUR::pframes_t
uint32_t pframes_t
Definition: ardour/ardour/types.h:86