72 lines
2.3 KiB
Mathematica
72 lines
2.3 KiB
Mathematica
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function write_test_data(x, fn, bits, fmt)
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%%
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% Copyright (c) 2017, Intel Corporation
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% All rights reserved.
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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 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 Intel Corporation nor the
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% names of its contributors may be used to endorse or promote products
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% derived from this software without specific prior written permission.
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%
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% THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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% AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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% IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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% ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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% LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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% CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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% SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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% INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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% CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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% ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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% POSSIBILITY OF SUCH DAMAGE.
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%
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% Author: Seppo Ingalsuo <seppo.ingalsuo@linux.intel.com>
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%
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switch lower(fmt)
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case 'raw'
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fh = fopen(fn, 'wb');
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case 'txt'
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fh = fopen(fn, 'w');
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otherwise
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error('The file format must be raw or txt');
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end
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switch bits
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case 16
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bfmt = 'int16';
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case 24
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bfmt = 'int32';
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case 32
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bfmt = 'int32';
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otherwise
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error('The bits must be set to 16, 24, or 32');
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end
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%% Interleave the channels if two or more
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sx = size(x);
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xi = zeros(sx(1)*sx(2), 1, bfmt);
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if sx(2) > 1
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for n=1:sx(2)
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xi(n:sx(2):end) = x(:,n);
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end
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else
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xi(1:end) = x;
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end
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%% Write file and close
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if strcmp(lower(fmt), 'raw')
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fwrite(fh, xi, bfmt);
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else
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fprintf(fh,'%d\n', xi);
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end
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fclose(fh);
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end
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