/* Copyright (c) 2012 The Chromium OS Authors. All rights reserved. * Use of this source code is governed by a BSD-style license that can be * found in the LICENSE file. */ #ifndef CRAS_DSP_INI_H_ #define CRAS_DSP_INI_H_ #include "iniparser_wrapper.h" #ifdef __cplusplus extern "C" { #endif #include "array.h" #include "dumper.h" #include "cras_expr.h" enum port_direction { PORT_INPUT, PORT_OUTPUT, }; enum port_type { PORT_CONTROL, PORT_AUDIO, }; #define INVALID_FLOW_ID -1 struct port { enum port_direction direction; enum port_type type; /* This is only used if there is a flow connects to this port, -1 otherwise (i.e. the port has a constant input/output) */ int flow_id; /* This is only used if type is PORT_CONTROL */ float init_value; }; DECLARE_ARRAY_TYPE(struct port, port_array) struct plugin { const char *title; const char *library; /* file name like "plugin.so" */ const char *label; /* label like "Eq" */ const char *purpose; /* like "playback" or "capture" */ struct cras_expr_expression *disable_expr; /* the disable expression of this plugin */ port_array ports; }; struct flow { enum port_type type; /* the type of the ports this flow connects to */ const char *name; struct plugin *from; struct plugin *to; int from_port; int to_port; }; DECLARE_ARRAY_TYPE(struct plugin, plugin_array) DECLARE_ARRAY_TYPE(struct flow, flow_array) struct ini { dictionary *dict; plugin_array plugins; flow_array flows; }; /* * Creates a mock ini structure equivalent to: * * [src] * out0={tmp:0} * out1={tmp:1} * ... * * [sink] * in0={tmp:0} * in1={tmp:1} * ... * * The caller of this function is responsible to free the returned * ini by calling cras_dsp_ini_free(). */ struct ini *create_mock_ini(const char *purpose, unsigned int num_channels); /* Reads the ini file into the ini structure */ struct ini *cras_dsp_ini_create(const char *ini_filename); /* Frees the dsp structure. */ void cras_dsp_ini_free(struct ini *ini); /* Dumps the information in the ini structure to syslog. */ void cras_dsp_ini_dump(struct dumper *d, struct ini *ini); #ifdef __cplusplus } /* extern "C" */ #endif #endif /* CRAS_DSP_INI_H_ */