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Copyright (C) 2005 Sampo Savolainen
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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#ifndef __ardour_mix_h__
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#define __ardour_mix_h__
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#include "ardour/types.h"
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#include "ardour/utils.h"
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#if defined (ARCH_X86) && defined (BUILD_SSE_OPTIMIZATIONS)
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float x86_sse_compute_peak (const ARDOUR::Sample * buf, ARDOUR::pframes_t nsamples, float current);
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void x86_sse_apply_gain_to_buffer (ARDOUR::Sample * buf, ARDOUR::pframes_t nframes, float gain);
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void x86_sse_mix_buffers_with_gain(ARDOUR::Sample * dst, const ARDOUR::Sample * src, ARDOUR::pframes_t nframes, float gain);
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void x86_sse_mix_buffers_no_gain (ARDOUR::Sample * dst, const ARDOUR::Sample * src, ARDOUR::pframes_t nframes);
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void x86_sse_find_peaks (const ARDOUR::Sample * buf, ARDOUR::pframes_t nsamples, float *min, float *max);
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/* debug wrappers for SSE functions */
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float debug_compute_peak (const ARDOUR::Sample * buf, ARDOUR::pframes_t nsamples, float current);
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void debug_apply_gain_to_buffer (ARDOUR::Sample * buf, ARDOUR::pframes_t nframes, float gain);
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void debug_mix_buffers_with_gain (ARDOUR::Sample * dst, const ARDOUR::Sample * src, ARDOUR::pframes_t nframes, float gain);
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void debug_mix_buffers_no_gain (ARDOUR::Sample * dst, const ARDOUR::Sample * src, ARDOUR::pframes_t nframes);
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#if defined (__APPLE__)
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float veclib_compute_peak (const ARDOUR::Sample * buf, ARDOUR::pframes_t nsamples, float current);
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void veclib_find_peaks (const ARDOUR::Sample * buf, ARDOUR::pframes_t nsamples, float *min, float *max);
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void veclib_apply_gain_to_buffer (ARDOUR::Sample * buf, ARDOUR::pframes_t nframes, float gain);
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void veclib_mix_buffers_with_gain (ARDOUR::Sample * dst, const ARDOUR::Sample * src, ARDOUR::pframes_t nframes, float gain);
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void veclib_mix_buffers_no_gain (ARDOUR::Sample * dst, const ARDOUR::Sample * src, ARDOUR::pframes_t nframes);
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/* non-optimized functions */
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float default_compute_peak (const ARDOUR::Sample * buf, ARDOUR::pframes_t nsamples, float current);
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void default_find_peaks (const ARDOUR::Sample * buf, ARDOUR::pframes_t nsamples, float *min, float *max);
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void default_apply_gain_to_buffer (ARDOUR::Sample * buf, ARDOUR::pframes_t nframes, float gain);
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void default_mix_buffers_with_gain (ARDOUR::Sample * dst, const ARDOUR::Sample * src, ARDOUR::pframes_t nframes, float gain);
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void default_mix_buffers_no_gain (ARDOUR::Sample * dst, const ARDOUR::Sample * src, ARDOUR::pframes_t nframes);
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#endif /* __ardour_mix_h__ */