85 lines
2.6 KiB
C
85 lines
2.6 KiB
C
/* (C) 2008 Jean-Marc Valin, CSIRO
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*/
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/*
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions
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are met:
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- Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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- Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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- Neither the name of the Xiph.org Foundation nor the names of its
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contributors may be used to endorse or promote products derived from
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this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
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CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef KFFT_SINGLE_H
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#define KFFT_SINGLE_H
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#ifdef ENABLE_TI_DSPLIB
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#include "dsplib.h"
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#define real16_fft_alloc(length) NULL
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#define real16_fft_free(state)
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#define BITREV(state, i) (i)
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#define real16_fft_inplace(state, X, nx)\
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(\
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cfft_SCALE(X,nx/2),\
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cbrev(X,X,nx/2),\
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unpack(X,nx)\
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)
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#define real16_ifft(state, X, Y, nx) \
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(\
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unpacki(X, nx),\
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cifft_NOSCALE(X,nx/2),\
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cbrev(X,Y,nx/2)\
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)
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#else /* ENABLE_TI_DSPLIB */
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#ifdef FIXED_POINT
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#ifdef DOUBLE_PRECISION
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#undef DOUBLE_PRECISION
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#endif
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#ifdef MIXED_PRECISION
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#undef MIXED_PRECISION
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#endif
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#endif /* FIXED_POINT */
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#include "kiss_fft.h"
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#include "kiss_fftr.h"
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#include "_kiss_fft_guts.h"
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#define real16_fft_alloc(length) kiss_fftr_alloc_celt_single(length, 0, 0);
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#define real16_fft_free(state) kiss_fft_free(state)
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#define real16_fft_inplace(state, X, nx) kiss_fftr_inplace(state,X)
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#define BITREV(state, i) ((state)->substate->bitrev[i])
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#define real16_ifft(state, X, Y, nx) kiss_fftri(state,X, Y)
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#endif /* !ENABLE_TI_DSPLIB */
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#endif /* KFFT_SINGLE_H */
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