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Merge pull request #71 from singalsu/add_eq_m4_export 

EQ Tool: Output topology m4 binary control style configuration data
This commit is contained in:
Liam Girdwood 2018-09-19 20:35:09 +01:00 committed by GitHub
parent d77beaf8bd e3d68ecd89
commit e4ca26b55f
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GPG Key ID: 4AEE18F83AFDEB23
4 changed files with 70 additions and 2 deletions
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63
tune/eq/eq_tplg_write.m Normal file
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@ -0,0 +1,63 @@
function eq_tplg_write(fn, blob8, eqtype)
%%
% Copyright (c) 2018, Intel Corporation
% All rights reserved.
%
% Redistribution and use in source and binary forms, with or without
% modification, are permitted provided that the following conditions are met:
% * Redistributions of source code must retain the above copyright
% notice, this list of conditions and the following disclaimer.
% * Redistributions in binary form must reproduce the above copyright
% notice, this list of conditions and the following disclaimer in the
% documentation and/or other materials provided with the distribution.
% * Neither the name of the Intel Corporation nor the
% names of its contributors may be used to endorse or promote products
% derived from this software without specific prior written permission.
%
% THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
% AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
% IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
% ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
% LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
% CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
% SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
% INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
% CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
% ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
% POSSIBILITY OF SUCH DAMAGE.
%
% Author: Seppo Ingalsuo <seppo.ingalsuo@linux.intel.com>
%
%% Pad blob length to multiple of four bytes
n_orig = length(blob8);
n_new = ceil(n_orig/4)*4;
blob8_new = zeros(1, n_new);
blob8_new(1:n_orig) = blob8;
%% Write blob
fh = fopen(fn, 'w');
nl = 8;
fprintf(fh, '`SectionData."''N_EQ_%s($1)`_data_bytes" {''\n', ...
upper(eqtype));
fprintf(fh, '` bytes "');
for i = 1:nl:n_new
if i > 1
fprintf(fh, '` ');
end
for j = 0:nl-1
n = i + j;
if n < n_new
fprintf(fh, '0x%02x,', blob8_new(n));
end
if n == n_new
fprintf(fh, '0x%02x"', blob8_new(n));
end
end
fprintf(fh, '''\n');
end
fprintf(fh, '`}''\n');
fclose(fh);
end

4
tune/eq/example_fir_eq.m
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@ -34,6 +34,7 @@ function example_fir_eq()
ascii_blob_fn = 'example_fir_eq.txt';
binary_blob_fn = 'example_fir_eq.blob';
tplg_blob_fn = 'example_fir_eq.m4';
endian = 'little';
fs = 48e3;
@ -60,6 +61,7 @@ bm = eq_fir_blob_merge(platform_max_channels, ...
bp = eq_fir_blob_pack(bm, endian);
eq_alsactl_write(ascii_blob_fn, bp);
eq_blob_write(binary_blob_fn, bp);
eq_tplg_write(tplg_blob_fn, bp, 'FIR');
end
@ -100,7 +102,7 @@ eq.norm_offs_db = 0; % E.g. -1 would leave 1 dB headroom if used with pea
eq.enable_fir = 1; % By default both FIR and IIR disabled, enable one
eq.fir_beta = 3.5; % Use with care, low value can corrupt
eq.fir_length = 107; % Gives just < 255 bytes
eq.fir_length = 136; % Gives just < 316 bytes
eq.fir_autoband = 0; % Select manually frequency limits
eq.fmin_fir = 100; % Equalization starts from 100 Hz
eq.fmax_fir = 20e3; % Equalization ends at 20 kHz

2
tune/eq/example_iir_eq.m
View File

@ -34,6 +34,7 @@ function example_iir_eq()
blob_fn = 'example_iir_eq.blob';
alsa_fn = 'example_iir_eq.txt';
tplg_fn = 'example_iir_eq.m4';
endian = 'little';
fs = 48e3;
@ -60,6 +61,7 @@ bm = eq_iir_blob_merge(platform_max_channels, ...
bp = eq_iir_blob_pack(bm);
eq_blob_write(blob_fn, bp);
eq_alsactl_write(alsa_fn, bp);
eq_tplg_write(tplg_fn, bp, 'IIR');
end

3
tune/eq/example_spk_eq.m
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@ -136,6 +136,7 @@ if eq.enable_fir
bp_fir = eq_fir_blob_pack(bm_fir);
eq_alsactl_write('example_spk_eq_fir.txt', bp_fir);
eq_blob_write('example_spk_eq_fir.blob', bp_fir);
eq_tplg_write('example_spk_eq_fir.m4', bp_fir, 'FIR');
end
%% Export IIR part
@ -148,7 +149,7 @@ if eq.enable_iir
bp_iir = eq_iir_blob_pack(bm_iir);
eq_alsactl_write('example_spk_eq_iir.txt', bp_iir);
eq_blob_write('example_spk_eq_iir.blob', bp_iir);
eq_tplg_write('example_spk_eq_iir.m4', bp_iir, 'IIR');
end
end