/
eca-chainsetup.cpp
2640 lines (2321 loc) · 71.5 KB
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eca-chainsetup.cpp
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// ------------------------------------------------------------------------
// eca-chainsetup.cpp: Class representing an ecasound chainsetup object.
// Copyright (C) 1999-2006,2008,2009,2011-2013 Kai Vehmanen
// Copyright (C) 2005 Stuart Allie
//
// Attributes:
// eca-style-version: 3 (see Ecasound Programmer's Guide)
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
// ------------------------------------------------------------------------
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <string>
#include <cstring>
#include <algorithm> /* find() */
#include <fstream>
#include <vector>
#include <list>
#include <iostream>
#include <sys/types.h> /* POSIX: getpid() */
#include <unistd.h> /* POSIX: getpid() */
#ifdef HAVE_SYS_MMAN_H
#include <sys/mman.h> /* POSIX: for mlockall() */
#endif
#ifdef ECA_COMPILE_JACK
#include <jack/jack.h>
#endif
#include <kvu_dbc.h>
#include <kvu_message_item.h>
#include <kvu_numtostr.h>
#include <kvu_rtcaps.h>
#include <kvu_utils.h>
#include "eca-resources.h"
#include "eca-session.h"
#include "generic-controller.h"
#include "eca-chainop.h"
#include "eca-chain.h"
#include "audioio.h"
#include "audioio-manager.h"
#include "audioio-device.h"
#include "audioio-buffered.h"
#include "audioio-loop.h"
#include "audioio-null.h"
#include "audioio-resample.h"
#include "eca-engine-driver.h"
#include "eca-object-factory.h"
#include "eca-object-map.h"
#include "midiio.h"
#include "midi-client.h"
#include "eca-object-factory.h"
#include "eca-chainsetup-position.h"
#include "sample-specs.h"
#include "eca-error.h"
#include "eca-logger.h"
#include "eca-chainsetup.h"
#include "eca-chainsetup_impl.h"
using std::cerr;
using std::endl;
using namespace ECA;
const string ECA_CHAINSETUP::default_audio_format_const = "s16_le,2,44100,i";
const string ECA_CHAINSETUP::default_bmode_nonrt_const = "1024,false,50,false,100000,true";
const string ECA_CHAINSETUP::default_bmode_rt_const = "1024,true,50,true,100000,true";
const string ECA_CHAINSETUP::default_bmode_rtlowlatency_const = "256,true,50,true,100000,false";
static void priv_erase_object(std::vector<AUDIO_IO*>* vec, const AUDIO_IO* obj);
/**
* Construct from a vector of options.
*
* If any invalid options are passed us argument,
* interpret_result() will be 'false', and
* interpret_result_verbose() contains more detailed
* error description.
*/
ECA_CHAINSETUP::ECA_CHAINSETUP(const vector<string>& opts)
: cparser_rep(this),
is_enabled_rep(false)
{
impl_repp = new ECA_CHAINSETUP_impl;
// FIXME: set default audio format here!
setup_name_rep = "untitled-chainsetup";
setup_filename_rep = "";
set_defaults();
vector<string> options (opts);
cparser_rep.preprocess_options(options);
interpret_options(options);
if (interpret_result() == true) {
/* do not add default if there were parsing errors as
* it might hide real problems */
add_default_output();
add_default_midi_device();
}
ECA_LOG_MSG(ECA_LOGGER::info, "Chainsetup \"" + setup_name_rep + "\"");
}
/**
* Constructs an empty chainsetup.
*
* @post buffersize != 0
*/
ECA_CHAINSETUP::ECA_CHAINSETUP(void)
: cparser_rep(this),
is_enabled_rep(false)
{
impl_repp = new ECA_CHAINSETUP_impl;
setup_name_rep = "";
set_defaults();
ECA_LOG_MSG(ECA_LOGGER::info, "Chainsetup created (empty)");
}
/**
* Construct from a chainsetup file.
*
* If any invalid options are passed us argument,
* interpret_result() will be 'false', and
* interpret_result_verbose() contains more detailed
* error description.
*
* @post buffersize != 0
*/
ECA_CHAINSETUP::ECA_CHAINSETUP(const string& setup_file)
: cparser_rep(this),
is_enabled_rep(false)
{
impl_repp = new ECA_CHAINSETUP_impl;
setup_name_rep = "";
set_defaults();
vector<string> options;
load_from_file(setup_file, options);
set_filename(setup_file);
if (name() == "") set_name(setup_file);
cparser_rep.preprocess_options(options);
interpret_options(options);
if (interpret_result() == true) {
/* do not add default if there were parsing errors as
* it might hide real problems */
add_default_output();
}
ECA_LOG_MSG(ECA_LOGGER::info,
"Chainsetup \""
+ name() + "\" created (file: "
+ setup_file + ")");
}
/**
* Destructor
*/
ECA_CHAINSETUP::~ECA_CHAINSETUP(void)
{
ECA_LOG_MSG(ECA_LOGGER::system_objects,"ECA_CHAINSETUP destructor-in");
DBC_CHECK(is_locked() != true);
if (is_enabled() == true) {
disable();
}
DBC_CHECK(is_enabled() != true);
/* delete chain objects */
for(vector<CHAIN*>::iterator q = chains.begin(); q != chains.end(); q++) {
ECA_LOG_MSG(ECA_LOGGER::user_objects, "Deleting chain \"" + (*q)->name() + "\".");
delete *q;
*q = 0;
}
/* delete input db objects; reset all pointers to null */
for(vector<AUDIO_IO*>::iterator q = inputs.begin(); q != inputs.end(); q++) {
if (dynamic_cast<AUDIO_IO_DB_CLIENT*>(*q) != 0) {
ECA_LOG_MSG(ECA_LOGGER::user_objects, "Deleting audio db-client \"" + (*q)->label() + "\".");
delete *q;
}
*q = 0;
}
/* delete all actual audio input objects except loop devices; reset all pointers to null */
for(vector<AUDIO_IO*>::iterator q = inputs_direct_rep.begin(); q != inputs_direct_rep.end(); q++) {
if (dynamic_cast<LOOP_DEVICE*>(*q) == 0) {
ECA_LOG_MSG(ECA_LOGGER::user_objects, "Deleting audio object \"" + (*q)->label() + "\".");
delete *q;
}
*q = 0;
}
/* delete output db objects; reset all pointers to null */
for(vector<AUDIO_IO*>::iterator q = outputs.begin(); q != outputs.end(); q++) {
if (dynamic_cast<AUDIO_IO_DB_CLIENT*>(*q) != 0) {
ECA_LOG_MSG(ECA_LOGGER::user_objects, "Deleting audio db-client \"" + (*q)->label() + "\".");
delete *q;
}
*q = 0;
}
/* delete all actual audio output objects except loop devices; reset all pointers to null */
for(vector<AUDIO_IO*>::iterator q = outputs_direct_rep.begin(); q != outputs_direct_rep.end(); q++) {
// trouble with dynamic_cast with libecasoundc apps like ecalength?
if (dynamic_cast<LOOP_DEVICE*>(*q) == 0) {
ECA_LOG_MSG(ECA_LOGGER::user_objects, "Deleting audio object \"" + (*q)->label() + "\".");
delete *q;
*q = 0;
}
}
/* delete loop objects */
for(map<string,LOOP_DEVICE*>::iterator q = loop_map.begin(); q != loop_map.end(); q++) {
ECA_LOG_MSG(ECA_LOGGER::user_objects, "Deleting loop device \"" + q->second->label() + "\".");
delete q->second;
q->second = 0;
}
/* delete aio manager objects */
for(vector<AUDIO_IO_MANAGER*>::iterator q = aio_managers_rep.begin(); q != aio_managers_rep.end(); q++) {
ECA_LOG_MSG(ECA_LOGGER::user_objects, "Deleting audio manager \"" + (*q)->name() + "\".");
delete *q;
*q = 0;
}
delete impl_repp;
ECA_LOG_MSG(ECA_LOGGER::system_objects,"ECA_CHAINSETUP destructor-out");
}
/**
* Sets default values.
*
* @pre is_enabled() != true
*/
void ECA_CHAINSETUP::set_defaults(void)
{
// --------
DBC_REQUIRE(is_enabled() != true);
// --------
/* note: defaults are set as specified in ecasoundrc(5) */
precise_sample_rates_rep = false;
ignore_xruns_rep = true;
pserver_repp = &impl_repp->pserver_rep;
midi_server_repp = &impl_repp->midi_server_rep;
engine_driver_repp = 0;
if (kvu_check_for_sched_fifo() == true) {
rtcaps_rep = true;
ECA_LOG_MSG(ECA_LOGGER::system_objects, "Rtcaps detected.");
}
else
rtcaps_rep = false;
db_clients_rep = 0;
multitrack_mode_rep = false;
multitrack_mode_override_rep = false;
memory_locked_rep = false;
midi_server_needed_rep = false;
is_locked_rep = false;
selected_chain_index_rep = 0;
selected_ctrl_index_rep = 0;
selected_ctrl_param_index_rep = 0;
multitrack_mode_offset_rep = -1;
buffering_mode_rep = cs_bmode_auto;
active_buffering_mode_rep = cs_bmode_none;
set_output_openmode(AUDIO_IO::io_readwrite);
ECA_RESOURCES ecaresources;
if (ecaresources.has_any() != true) {
ECA_LOG_MSG(ECA_LOGGER::info,
"WARNING: Unable to read global resources. May result in incorrect behaviour.");
}
set_default_midi_device(ecaresources.resource("midi-device"));
string rc_temp = set_resource_helper(ecaresources,
"default-audio-format",
ECA_CHAINSETUP::default_audio_format_const);
cparser_rep.interpret_object_option("-f:" + rc_temp);
set_samples_per_second(default_audio_format().samples_per_second());
toggle_precise_sample_rates(ecaresources.boolean_resource("default-to-precise-sample-rates"));
rc_temp = set_resource_helper(ecaresources,
"default-mix-mode",
"avg");
cparser_rep.interpret_object_option("-z:mixmode," + rc_temp);
impl_repp->bmode_nonrt_rep.set_all(set_resource_helper(ecaresources,
"bmode-defaults-nonrt",
ECA_CHAINSETUP::default_bmode_nonrt_const));
impl_repp->bmode_rt_rep.set_all(set_resource_helper(ecaresources,
"bmode-defaults-rt",
ECA_CHAINSETUP::default_bmode_rt_const));
impl_repp->bmode_rtlowlatency_rep.set_all(set_resource_helper(ecaresources,
"bmode-defaults-rtlowlatency",
ECA_CHAINSETUP::default_bmode_rtlowlatency_const));
impl_repp->bmode_active_rep = impl_repp->bmode_nonrt_rep;
}
/**
* Sets a resource value.
*
* Only used by ECA_CHAINSETUP::set_defaults.
*/
string ECA_CHAINSETUP::set_resource_helper(const ECA_RESOURCES& ecaresources, const string& tag, const string& alternative)
{
if (ecaresources.has(tag) == true) {
return ecaresources.resource(tag);
}
else {
ECA_LOG_MSG(ECA_LOGGER::system_objects,
"Using hardcoded defaults for \"" +
tag + "\".");
return alternative;
}
}
/**
* Tests whether chainsetup is in a valid state.
*/
bool ECA_CHAINSETUP::is_valid(void) const
{
return is_valid_for_connection(false);
}
/**
* Checks whether chainsetup is valid for enabling/connecting.
* If chainsetup is not valid and 'verbose' is true, detected
* errors are reported via the logging subsystem.
*/
bool ECA_CHAINSETUP::is_valid_for_connection(bool verbose) const
{
bool result = true;
if (inputs.size() == 0) {
if (verbose) ECA_LOG_MSG(ECA_LOGGER::info,
"Unable to connect: No inputs in the current chainsetup. (1.1-NO-INPUTS)");
result = false;
}
else if (outputs.size() == 0) {
if (verbose) ECA_LOG_MSG(ECA_LOGGER::info,
"Unable to connect: No outputs in the current chainsetup. (1.2-NO-OUTPUTS)");
result = false;
}
else if (chains.size() == 0) {
if (verbose) ECA_LOG_MSG(ECA_LOGGER::info,
"Unable to connect: No chains in the current chainsetup. (1.3-NO-CHAINS)");
result = false;
}
else {
list<int> conn_inputs, conn_outputs;
for(vector<CHAIN*>::const_iterator q = chains.begin(); q != chains.end(); q++) {
/* log messages printed in CHAIN::is_valid() */
int id = (*q)->connected_input();
if (id > -1)
conn_inputs.push_back(id);
if ((*q)->is_valid() == false) {
result = false;
if (verbose) ECA_LOG_MSG(ECA_LOGGER::info,
"Unable to connect: Chain \"" + (*q)->name() +
"\" is not valid. Following errors were detected:");
if (verbose && id == -1) {
ECA_LOG_MSG(ECA_LOGGER::info,
"Chain \"" + (*q)->name() + "\" is not connected to any input. "
"All chains must have exactly one valid input. (2.1-NO-CHAIN-INPUT)");
}
}
id = (*q)->connected_output();
if (id > -1)
conn_outputs.push_back(id);
if (verbose && (*q)->is_valid() == false) {
if (id == -1) {
ECA_LOG_MSG(ECA_LOGGER::info,
"Chain \"" + (*q)->name() + "\" is not connected to any output. "
"All chains must have exactly one valid output. (2.2-NO-CHAIN-OUTPUT)");
}
}
}
// FIXME: doesn't work yet
if (verbose) {
for(int n = 0; n < static_cast<int>(inputs.size()); n++) {
if (std::find(conn_inputs.begin(), conn_inputs.end(), n) == conn_inputs.end()) {
ECA_LOG_MSG(ECA_LOGGER::info,
"WARNING: Input \"" + inputs[n]->label() + "\" is not connected to any chain. (3.1-DISCON-INPUT)");
}
}
for(int n = 0; n < static_cast<int>(outputs.size()); n++) {
if (std::find(conn_outputs.begin(), conn_outputs.end(), n) == conn_outputs.end()) {
ECA_LOG_MSG(ECA_LOGGER::info,
"WARNING: Output \"" + outputs[n]->label() + "\" is not connected to any chain. (3.2-DISCON-OUTPUT)");
}
}
}
} /* (verbose == true) */
return result;
}
void ECA_CHAINSETUP::set_buffering_mode(Buffering_mode_t value)
{
if (value == ECA_CHAINSETUP::cs_bmode_none)
buffering_mode_rep = ECA_CHAINSETUP::cs_bmode_auto;
else
buffering_mode_rep = value;
}
/**
* Sets audio i/o manager option for manager
* object type 'mgrname' to be 'optionstr'.
* Previously set option string is overwritten.
*/
void ECA_CHAINSETUP::set_audio_io_manager_option(const string& mgrname, const string& optionstr)
{
ECA_LOG_MSG(ECA_LOGGER::system_objects,
"Set manager \"" +
mgrname + "\" option string to \"" +
optionstr + "\".");
aio_manager_option_map_rep[mgrname] = optionstr;
propagate_audio_io_manager_options();
}
/**
* Determinates the active buffering parameters based on
* defaults, user overrides and analyzing the current
* chainsetup configuration. If the resulting parameters
* are different from current ones, a state change is
* performed.
*/
void ECA_CHAINSETUP::select_active_buffering_mode(void)
{
if (buffering_mode() == ECA_CHAINSETUP::cs_bmode_none) {
active_buffering_mode_rep = ECA_CHAINSETUP::cs_bmode_auto;
}
if (!(multitrack_mode_override_rep == true &&
multitrack_mode_rep != true) &&
((multitrack_mode_override_rep == true &&
multitrack_mode_rep == true) ||
(number_of_realtime_inputs() > 0 &&
number_of_realtime_outputs() > 0 &&
number_of_non_realtime_inputs() > 0 &&
number_of_non_realtime_outputs() > 0 &&
chains.size() > 1))) {
ECA_LOG_MSG(ECA_LOGGER::info, "Multitrack-mode enabled.");
multitrack_mode_rep = true;
}
else
multitrack_mode_rep = false;
if (buffering_mode() == ECA_CHAINSETUP::cs_bmode_auto) {
/* initialize to 'nonrt', mt-disabled */
active_buffering_mode_rep = ECA_CHAINSETUP::cs_bmode_nonrt;
if (has_realtime_objects() == true) {
/* case 1: a multitrack setup */
if (multitrack_mode_rep == true) {
active_buffering_mode_rep = ECA_CHAINSETUP::cs_bmode_rt;
ECA_LOG_MSG(ECA_LOGGER::system_objects, "bmode-selection case-1");
}
/* case 2: rt-objects without priviledges for rt-scheduling */
else if (rtcaps_rep != true) {
ECA_LOG_MSG(ECA_LOGGER::info,
"NOTE: Real-time configuration, but insufficient privileges to utilize real-time scheduling (SCHED_FIFO). With small buffersizes, this may cause audible glitches during processing.");
toggle_raised_priority(false);
active_buffering_mode_rep = ECA_CHAINSETUP::cs_bmode_rt;
ECA_LOG_MSG(ECA_LOGGER::system_objects, "bmode-selection case-2");
}
/* case 3: no chain operators and "one-way rt-operation" */
else if (number_of_chain_operators() == 0 &&
(number_of_realtime_inputs() == 0 ||
number_of_realtime_outputs() == 0)) {
active_buffering_mode_rep = ECA_CHAINSETUP::cs_bmode_rt;
ECA_LOG_MSG(ECA_LOGGER::system_objects, "bmode-selection case-3");
}
/* case 4: default for rt-setups */
else {
active_buffering_mode_rep = ECA_CHAINSETUP::cs_bmode_rtlowlatency;
ECA_LOG_MSG(ECA_LOGGER::system_objects, "bmode-selection case-4");
}
}
else {
/* case 5: no rt-objects */
active_buffering_mode_rep = ECA_CHAINSETUP::cs_bmode_nonrt;
ECA_LOG_MSG(ECA_LOGGER::system_objects, "bmode-selection case-5");
}
}
else {
/* user has explicitly selected the buffering mode */
active_buffering_mode_rep = buffering_mode();
ECA_LOG_MSG(ECA_LOGGER::system_objects, "bmode-selection explicit");
}
switch(active_buffering_mode_rep)
{
case ECA_CHAINSETUP::cs_bmode_nonrt: {
impl_repp->bmode_active_rep = impl_repp->bmode_nonrt_rep;
ECA_LOG_MSG(ECA_LOGGER::info,
"\"nonrt\" buffering mode selected.");
break;
}
case ECA_CHAINSETUP::cs_bmode_rt: {
impl_repp->bmode_active_rep = impl_repp->bmode_rt_rep;
ECA_LOG_MSG(ECA_LOGGER::info,
"\"rt\" buffering mode selected.");
break;
}
case ECA_CHAINSETUP::cs_bmode_rtlowlatency: {
impl_repp->bmode_active_rep = impl_repp->bmode_rtlowlatency_rep;
ECA_LOG_MSG(ECA_LOGGER::info,
"\"rtlowlatency\" buffering mode selected.");
break;
}
default: { /* error! */ }
}
ECA_LOG_MSG(ECA_LOGGER::system_objects,
"Set buffering parameters to: \n--cut--" +
impl_repp->bmode_active_rep.to_string() +"\n--cut--");
}
/**
* Enable chosen active buffering mode.
*
* Called only from enable().
*/
void ECA_CHAINSETUP::enable_active_buffering_mode(void)
{
/* 1. if requested, lock all memory */
if (raised_priority() == true) {
lock_all_memory();
}
else {
unlock_all_memory();
}
/* 2. if necessary, switch between different db and direct modes */
if (double_buffering() == true) {
if (has_realtime_objects() != true) {
ECA_LOG_MSG(ECA_LOGGER::system_objects,
"No realtime objects; switching to direct mode.");
switch_to_direct_mode();
impl_repp->bmode_active_rep.toggle_double_buffering(false);
}
else if (has_nonrealtime_objects() != true) {
ECA_LOG_MSG(ECA_LOGGER::system_objects,
"Only realtime objects; switching to direct mode.");
switch_to_direct_mode();
impl_repp->bmode_active_rep.toggle_double_buffering(false);
}
else if (db_clients_rep == 0) {
ECA_LOG_MSG(ECA_LOGGER::system_objects,
"Switching to db mode.");
switch_to_db_mode();
}
if (buffersize() != 0) {
impl_repp->pserver_rep.set_buffer_defaults(double_buffer_size() / buffersize(),
buffersize());
}
else {
ECA_LOG_MSG(ECA_LOGGER::info,
"WARNING: Buffersize set to 0.");
impl_repp->pserver_rep.set_buffer_defaults(0, 0);
}
}
else {
/* double_buffering() != true */
if (db_clients_rep > 0) {
ECA_LOG_MSG(ECA_LOGGER::system_objects,
"Switching to direct mode.");
switch_to_direct_mode();
}
}
/* 3. propagate buffersize value to all dependent objects */
/* FIXME: create a system for tracking buffesize aware objs */
}
void ECA_CHAINSETUP::switch_to_direct_mode(void)
{
switch_to_direct_mode_helper(&inputs, inputs_direct_rep);
switch_to_direct_mode_helper(&outputs, outputs_direct_rep);
// --
DBC_ENSURE(db_clients_rep == 0);
// --
}
void ECA_CHAINSETUP::switch_to_direct_mode_helper(vector<AUDIO_IO*>* objs,
const vector<AUDIO_IO*>& directobjs)
{
// --
DBC_CHECK(objs->size() == directobjs.size());
// --
for(size_t n = 0; n < objs->size(); n++) {
AUDIO_IO_DB_CLIENT* pobj = dynamic_cast<AUDIO_IO_DB_CLIENT*>((*objs)[n]);
if (pobj != 0) {
delete (*objs)[n];
(*objs)[n] = directobjs[n];
--db_clients_rep;
}
}
}
void ECA_CHAINSETUP::switch_to_db_mode(void)
{
switch_to_db_mode_helper(&inputs, inputs_direct_rep);
switch_to_db_mode_helper(&outputs, outputs_direct_rep);
}
void ECA_CHAINSETUP::switch_to_db_mode_helper(vector<AUDIO_IO*>* objs,
const vector<AUDIO_IO*>& directobjs)
{
// --
DBC_REQUIRE(db_clients_rep == 0);
DBC_CHECK(objs->size() == directobjs.size());
// --
for(size_t n = 0; n < directobjs.size(); n++) {
(*objs)[n] = add_audio_object_helper(directobjs[n]);
}
}
/**
* Locks all memory with mlockall().
*/
void ECA_CHAINSETUP::lock_all_memory(void)
{
#ifdef HAVE_MLOCKALL
if (::mlockall (MCL_CURRENT|MCL_FUTURE)) {
ECA_LOG_MSG(ECA_LOGGER::info, "WARNING: Couldn't lock all memory!");
}
else {
ECA_LOG_MSG(ECA_LOGGER::system_objects, "Memory locked!");
memory_locked_rep = true;
}
#else
ECA_LOG_MSG(ECA_LOGGER::info, "Memory locking not available.");
#endif
}
/**
* Unlocks all memory with munlockall().
*/
void ECA_CHAINSETUP::unlock_all_memory(void)
{
#ifdef HAVE_MUNLOCKALL
if (memory_locked_rep == true) {
if (::munlockall()) {
ECA_LOG_MSG(ECA_LOGGER::system_objects, "WARNING: Couldn't unlock all memory!");
}
else
ECA_LOG_MSG(ECA_LOGGER::system_objects, "Memory unlocked!");
memory_locked_rep = false;
}
#else
memory_locked_rep = false;
ECA_LOG_MSG(ECA_LOGGER::system_objects, "Memory unlocking not available.");
#endif
}
/**
* Adds a "default" chain to this chainsetup.
*
* @pre buffersize >= 0 && chains.size() == 0
* @pre is_locked() != true
*
* @post chains.back()->name() == "default" &&
* @post active_chainids.back() == "default"
*/
void ECA_CHAINSETUP::add_default_chain(void)
{
// --------
DBC_REQUIRE(buffersize() >= 0);
DBC_REQUIRE(chains.size() == 0);
DBC_REQUIRE(is_locked() != true);
// --------
add_chain_helper("default");
selected_chainids.push_back("default");
// --------
DBC_ENSURE(chains.back()->name() == "default");
DBC_ENSURE(selected_chainids.back() == "default");
// --------
}
/**
* Adds new chains to this chainsetup.
*
* @pre is_enabled() != true
*/
void ECA_CHAINSETUP::add_new_chains(const vector<string>& newchains)
{
// --------
DBC_REQUIRE(is_enabled() != true);
// --------
for(vector<string>::const_iterator p = newchains.begin(); p != newchains.end(); p++) {
bool exists = false;
for(vector<CHAIN*>::iterator q = chains.begin(); q != chains.end(); q++) {
if (*p == (*q)->name()) exists = true;
}
if (exists == false) {
add_chain_helper(*p);
}
}
}
void ECA_CHAINSETUP::add_chain_helper(const string& name)
{
chains.push_back(new CHAIN());
chains.back()->name(name);
chains.back()->set_samples_per_second(samples_per_second());
ECA_LOG_MSG(ECA_LOGGER::user_objects, "Chain \"" + name + "\" created.");
}
/**
* Removes all selected chains from this chainsetup.
*
* @pre is_enabled() != true
*/
void ECA_CHAINSETUP::remove_chains(void)
{
// --------
DBC_REQUIRE(is_enabled() != true);
DBC_DECLARE(size_t old_chains_size = chains.size());
DBC_DECLARE(size_t sel_chains_size = selected_chainids.size());
// --------
for(vector<string>::const_iterator a = selected_chainids.begin(); a != selected_chainids.end(); a++) {
vector<CHAIN*>::iterator q = chains.begin();
while(q != chains.end()) {
if (*a == (*q)->name()) {
delete *q;
chains.erase(q);
break;
}
++q;
}
}
selected_chainids.resize(0);
// --
DBC_ENSURE(chains.size() == old_chains_size - sel_chains_size);
// --
}
/**
* Clears all selected chains. Removes all chain operators
* and controllers.
*
* @pre is_locked() != true
*/
void ECA_CHAINSETUP::clear_chains(void)
{
// --------
DBC_REQUIRE(is_locked() != true);
// --------
for(vector<string>::const_iterator a = selected_chainids.begin(); a != selected_chainids.end(); a++) {
for(vector<CHAIN*>::iterator q = chains.begin(); q != chains.end(); q++) {
if (*a == (*q)->name()) {
(*q)->clear();
}
}
}
}
/**
* Renames the first selected chain.
*/
void ECA_CHAINSETUP::rename_chain(const string& name)
{
for(vector<string>::const_iterator a = selected_chainids.begin(); a != selected_chainids.end(); a++) {
for(vector<CHAIN*>::iterator q = chains.begin(); q != chains.end(); q++) {
if (*a == (*q)->name()) {
(*q)->name(name);
return;
}
}
}
}
/**
* Selects all chains present in this chainsetup.
*/
void ECA_CHAINSETUP::select_all_chains(void)
{
vector<CHAIN*>::const_iterator p = chains.begin();
selected_chainids.resize(0);
while(p != chains.end()) {
selected_chainids.push_back((*p)->name());
++p;
}
}
/**
* Returns the index number of first selected chains. If no chains
* are selected, returns 'last_index + 1' (==chains.size()).
*/
unsigned int ECA_CHAINSETUP::first_selected_chain(void) const
{
const vector<string>& schains = selected_chains();
vector<string>::const_iterator o = schains.begin();
unsigned int p = chains.size();
while(o != schains.end()) {
for(p = 0; p != chains.size(); p++) {
if (chains[p]->name() == *o)
return p;
}
++o;
}
return p;
}
/**
* Toggles chain muting of all selected chains.
*
* @pre is_locked() != true
*/
void ECA_CHAINSETUP::toggle_chain_muting(void)
{
// ---
DBC_REQUIRE(is_locked() != true);
// ---
for(vector<string>::const_iterator a = selected_chainids.begin(); a != selected_chainids.end(); a++) {
for(vector<CHAIN*>::iterator q = chains.begin(); q != chains.end(); q++) {
if (*a == (*q)->name()) {
(*q)->set_mute(-1);
}
}
}
}
/**
* Toggles chain bypass of all selected chains.
*
* @pre is_locked() != true
*/
void ECA_CHAINSETUP::toggle_chain_bypass(void)
{
// ---
DBC_REQUIRE(is_locked() != true);
// ---
for(vector<string>::const_iterator a = selected_chainids.begin(); a != selected_chainids.end(); a++) {
for(vector<CHAIN*>::iterator q = chains.begin(); q != chains.end(); q++) {
if (*a == (*q)->name()) {
(*q)->set_bypass(-1);
}
}
}
}
const ECA_CHAINSETUP_BUFPARAMS& ECA_CHAINSETUP::active_buffering_parameters(void) const
{
return impl_repp->bmode_active_rep;
}
const ECA_CHAINSETUP_BUFPARAMS& ECA_CHAINSETUP::override_buffering_parameters(void) const
{
return impl_repp->bmode_override_rep;
}
vector<string> ECA_CHAINSETUP::chain_names(void) const
{
vector<string> result;
vector<CHAIN*>::const_iterator p = chains.begin();
while(p != chains.end()) {
result.push_back((*p)->name());
++p;
}
return result;
}
vector<string> ECA_CHAINSETUP::audio_input_names(void) const
{
vector<string> result;
vector<AUDIO_IO*>::const_iterator p = inputs.begin();
while(p != inputs.end()) {
result.push_back((*p)->label());
++p;
}
return result;
}
vector<string> ECA_CHAINSETUP::audio_output_names(void) const
{
vector<string> result;
vector<AUDIO_IO*>::const_iterator p = outputs.begin();
while(p != outputs.end()) {
result.push_back((*p)->label());
++p;
}
return result;
}
vector<string> ECA_CHAINSETUP::get_attached_chains_to_input(AUDIO_IO* aiod) const
{
vector<string> res;
vector<CHAIN*>::const_iterator q = chains.begin();
while(q != chains.end()) {
if (aiod == inputs[(*q)->connected_input()]) {
res.push_back((*q)->name());
}
++q;
}
return res;
}
vector<string> ECA_CHAINSETUP::get_attached_chains_to_output(AUDIO_IO* aiod) const
{
vector<string> res;
vector<CHAIN*>::const_iterator q = chains.begin();
while(q != chains.end()) {
if (aiod == outputs[(*q)->connected_output()]) {
res.push_back((*q)->name());
}
++q;
}
return(res);
}
int ECA_CHAINSETUP::number_of_attached_chains_to_input(AUDIO_IO* aiod) const
{
int count = 0;
vector<CHAIN*>::const_iterator q = chains.begin();
while(q != chains.end()) {
if (aiod == inputs[(*q)->connected_input()]) {
++count;
}
++q;
}
return count;
}
int ECA_CHAINSETUP::number_of_attached_chains_to_output(AUDIO_IO* aiod) const
{
int count = 0;
vector<CHAIN*>::const_iterator q = chains.begin();
while(q != chains.end()) {
if (aiod == outputs[(*q)->connected_output()]) {
++count;
}
++q;
}