Audio: Multiband-DRC: Fix paths after move of scripts

The paths to topology and sof-ctl blobs are updated. The paths
to other setup scripts (common, crossover, drc, eq) are set with
a new helper function multiband_drc_paths.m.

Signed-off-by: Seppo Ingalsuo <seppo.ingalsuo@linux.intel.com>

src/audio/multiband_drc/tune/drc_gen_quant_coefs.m

@@ -1,12 +1,8 @@
 function drc_coefs = drc_gen_quant_coefs(num_bands, sample_rate, params);
 
-addpath ../drc
-
 for i = 1:num_bands
 	coefs = drc_gen_coefs(params(i), sample_rate);
 	drc_coefs(i) = drc_generate_config(coefs);
 end
 
-rmpath ../drc
-
 end

src/audio/multiband_drc/tune/example_multiband_drc.m

@@ -19,14 +19,17 @@ function example_multiband_drc()
 
 function export_multiband_drc(prm)
 
+multiband_drc_paths(true);
+
 % Set the parameters here
-tplg1_fn = sprintf("../../topology/topology1/m4/multiband_drc_coef_%s.m4", prm.name); % Control Bytes File
-tplg2_fn = sprintf("../../topology/topology2/include/components/multiband_drc/%s.conf", prm.name); % Control Bytes File
+sof_tools = '../../../../tools';
+tplg1_fn = sprintf("%s/topology/topology1/m4/multiband_drc_coef_%s.m4", sof_tools, prm.name); % Control Bytes File
+tplg2_fn = sprintf("%s/topology/topology2/include/components/multiband_drc/%s.conf", sof_tools, prm.name); % Control Bytes File
 % Use those files with sof-ctl to update the component's configuration
-blob3_fn = sprintf("../../ctl/ipc3/multiband_drc/%s.blob", prm.name); % Blob binary file
-alsa3_fn = sprintf("../../ctl/ipc3/multiband_drc/%s.txt", prm.name); % ALSA CSV format file
-blob4_fn = sprintf("../../ctl/ipc4/multiband_drc/%s.blob", prm.name); % Blob binary file
-alsa4_fn = sprintf("../../ctl/ipc4/multiband_drc/%s.txt", prm.name); % ALSA CSV format file
+blob3_fn = sprintf("%s/ctl/ipc3/multiband_drc/%s.blob", sof_tools, prm.name); % Blob binary file
+alsa3_fn = sprintf("%s/ctl/ipc3/multiband_drc/%s.txt", sof_tools, prm.name); % ALSA CSV format file
+blob4_fn = sprintf("%s/ctl/ipc4/multiband_drc/%s.blob", sof_tools, prm.name); % Blob binary file
+alsa4_fn = sprintf("%s/ctl/ipc4/multiband_drc/%s.txt", sof_tools, prm.name); % ALSA CSV format file
 
 endian = "little";
 
@@ -116,6 +119,8 @@ function export_multiband_drc(prm)
 drc_params(4).band_lower_freq = prm.band_lower_freq(4) / nyquist;
 
 % Generate Emphasis/Deemphasis IIR filter quantized coefs struct from parameters
+
+
 [emp_coefs, deemp_coefs] = iir_gen_quant_coefs(iir_params);
 
 % Generate Crossover quantized coefs struct from parameters
@@ -128,7 +133,6 @@ function export_multiband_drc(prm)
 drc_coefs = drc_gen_quant_coefs(num_bands, sample_rate, drc_params);
 
 % Generate output files
-addpath ../common
 
 % Convert quantized coefs structs to binary blob
 blob8 = multiband_drc_build_blob(num_bands, enable_emp_deemp, emp_coefs, ...
@@ -145,6 +149,6 @@ function export_multiband_drc(prm)
 sof_ucm_blob_write(blob4_fn, blob8_ipc4);
 alsactl_write(alsa4_fn, blob8_ipc4);
 
-rmpath ../common
+multiband_drc_paths(false);
 
 end

src/audio/multiband_drc/tune/iir_gen_quant_coefs.m

@@ -76,8 +76,6 @@
 bits_gain = 16; % Q2.14
 qf_gain = 14;
 
-addpath ../eq
-
 quant_coefs = cell(1, 2);
 for i = 1:length(coefs)
 	coef = cell2mat(coefs(i));
@@ -88,8 +86,6 @@
 
 quant_coefs = cell2mat(quant_coefs);
 
-rmpath ../eq
-
 end
 
 function [bq1, bq2] = stage_gain_adjust(prev_bq1, prev_bq2)

src/audio/multiband_drc/tune/multiband_drc_paths.m

@@ -0,0 +1,33 @@
+function multiband_drc_paths(enable)
+
+% multiband_drc_paths(enable)
+% enable - set to true to enable needed search path
+%          set to false to disable the search paths
+%
+
+% SPDX-License-Identifier: BSD-3-Clause
+%
+% Copyright (c) 2024, Intel Corporation. All rights reserved.
+
+	common = '../../../../tools/tune/common';
+	crossover = '../../../../tools/tune/crossover';
+	drc = '../../../../tools/tune/drc';
+	eq = '../../../../tools/tune/eq';
+	# After #9215 merge use this:
+	# crossover = '../../crossover/tune';
+	# After #9188 merge use this:
+	# drc = '../../drc/tune';
+	# After #9187 merge use this:
+	# eq = '../../eq_iir/tune';
+	if enable
+		addpath(common);
+		addpath(crossover);
+		addpath(drc);
+		addpath(eq);
+	else
+		rmpath(common);
+		rmpath(crossover);
+		rmpath(drc);
+		rmpath(eq);
+	end
+end