Merge pull request #71 from singalsu/add_eq_m4_export
EQ Tool: Output topology m4 binary control style configuration data
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@ -0,0 +1,63 @@
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function eq_tplg_write(fn, blob8, eqtype)
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%%
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% Copyright (c) 2018, 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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%% Pad blob length to multiple of four bytes
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n_orig = length(blob8);
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n_new = ceil(n_orig/4)*4;
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blob8_new = zeros(1, n_new);
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blob8_new(1:n_orig) = blob8;
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%% Write blob
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fh = fopen(fn, 'w');
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nl = 8;
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fprintf(fh, '`SectionData."''N_EQ_%s($1)`_data_bytes" {''\n', ...
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upper(eqtype));
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fprintf(fh, '` bytes "');
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for i = 1:nl:n_new
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if i > 1
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fprintf(fh, '` ');
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end
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for j = 0:nl-1
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n = i + j;
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if n < n_new
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fprintf(fh, '0x%02x,', blob8_new(n));
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end
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if n == n_new
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fprintf(fh, '0x%02x"', blob8_new(n));
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end
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end
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fprintf(fh, '''\n');
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end
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fprintf(fh, '`}''\n');
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fclose(fh);
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end
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@ -34,6 +34,7 @@ function example_fir_eq()
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ascii_blob_fn = 'example_fir_eq.txt';
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ascii_blob_fn = 'example_fir_eq.txt';
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binary_blob_fn = 'example_fir_eq.blob';
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binary_blob_fn = 'example_fir_eq.blob';
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tplg_blob_fn = 'example_fir_eq.m4';
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endian = 'little';
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endian = 'little';
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fs = 48e3;
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fs = 48e3;
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@ -60,6 +61,7 @@ bm = eq_fir_blob_merge(platform_max_channels, ...
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bp = eq_fir_blob_pack(bm, endian);
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bp = eq_fir_blob_pack(bm, endian);
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eq_alsactl_write(ascii_blob_fn, bp);
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eq_alsactl_write(ascii_blob_fn, bp);
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eq_blob_write(binary_blob_fn, bp);
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eq_blob_write(binary_blob_fn, bp);
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eq_tplg_write(tplg_blob_fn, bp, 'FIR');
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end
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end
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@ -100,7 +102,7 @@ eq.norm_offs_db = 0; % E.g. -1 would leave 1 dB headroom if used with pea
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eq.enable_fir = 1; % By default both FIR and IIR disabled, enable one
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eq.enable_fir = 1; % By default both FIR and IIR disabled, enable one
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eq.fir_beta = 3.5; % Use with care, low value can corrupt
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eq.fir_beta = 3.5; % Use with care, low value can corrupt
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eq.fir_length = 107; % Gives just < 255 bytes
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eq.fir_length = 136; % Gives just < 316 bytes
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eq.fir_autoband = 0; % Select manually frequency limits
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eq.fir_autoband = 0; % Select manually frequency limits
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eq.fmin_fir = 100; % Equalization starts from 100 Hz
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eq.fmin_fir = 100; % Equalization starts from 100 Hz
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eq.fmax_fir = 20e3; % Equalization ends at 20 kHz
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eq.fmax_fir = 20e3; % Equalization ends at 20 kHz
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@ -34,6 +34,7 @@ function example_iir_eq()
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blob_fn = 'example_iir_eq.blob';
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blob_fn = 'example_iir_eq.blob';
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alsa_fn = 'example_iir_eq.txt';
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alsa_fn = 'example_iir_eq.txt';
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tplg_fn = 'example_iir_eq.m4';
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endian = 'little';
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endian = 'little';
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fs = 48e3;
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fs = 48e3;
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@ -60,6 +61,7 @@ bm = eq_iir_blob_merge(platform_max_channels, ...
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bp = eq_iir_blob_pack(bm);
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bp = eq_iir_blob_pack(bm);
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eq_blob_write(blob_fn, bp);
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eq_blob_write(blob_fn, bp);
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eq_alsactl_write(alsa_fn, bp);
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eq_alsactl_write(alsa_fn, bp);
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eq_tplg_write(tplg_fn, bp, 'IIR');
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end
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end
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@ -136,6 +136,7 @@ if eq.enable_fir
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bp_fir = eq_fir_blob_pack(bm_fir);
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bp_fir = eq_fir_blob_pack(bm_fir);
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eq_alsactl_write('example_spk_eq_fir.txt', bp_fir);
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eq_alsactl_write('example_spk_eq_fir.txt', bp_fir);
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eq_blob_write('example_spk_eq_fir.blob', bp_fir);
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eq_blob_write('example_spk_eq_fir.blob', bp_fir);
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eq_tplg_write('example_spk_eq_fir.m4', bp_fir, 'FIR');
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end
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end
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%% Export IIR part
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%% Export IIR part
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@ -148,7 +149,7 @@ if eq.enable_iir
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bp_iir = eq_iir_blob_pack(bm_iir);
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bp_iir = eq_iir_blob_pack(bm_iir);
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eq_alsactl_write('example_spk_eq_iir.txt', bp_iir);
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eq_alsactl_write('example_spk_eq_iir.txt', bp_iir);
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eq_blob_write('example_spk_eq_iir.blob', bp_iir);
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eq_blob_write('example_spk_eq_iir.blob', bp_iir);
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eq_tplg_write('example_spk_eq_iir.m4', bp_iir, 'IIR');
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end
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end
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end
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end
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