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livetrax/libs/ardour/audio_track_importer.cc
Paul Davis 8e8d2f86a8 centralize determination of "read-audio-data-in-reverse" and fix seek "shift" offset
There is still a bug related to "shift" that causes a playback discontinuity
2020-02-21 11:54:08 -07:00

409 lines
10 KiB
C++

/*
* Copyright (C) 2008-2009 Sakari Bergen <sakari.bergen@beatwaves.net>
* Copyright (C) 2009-2012 Carl Hetherington <carl@carlh.net>
* Copyright (C) 2009-2014 David Robillard <d@drobilla.net>
* Copyright (C) 2009-2017 Paul Davis <paul@linuxaudiosystems.com>
* Copyright (C) 2015-2018 Robin Gareus <robin@gareus.org>
*
* 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.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include "ardour/audio_track_importer.h"
#include "ardour/audio_playlist_importer.h"
#include "ardour/disk_reader.h"
#include "ardour/session.h"
#include "pbd/controllable.h"
#include "pbd/failed_constructor.h"
#include "pbd/string_convert.h"
#include <sstream>
#include <algorithm>
#include "pbd/i18n.h"
using namespace std;
using namespace PBD;
using namespace ARDOUR;
/*** AudioTrackImportHandler ***/
AudioTrackImportHandler::AudioTrackImportHandler (XMLTree const & source, Session & session, AudioPlaylistImportHandler & pl_handler) :
ElementImportHandler (source, session)
{
XMLNode const * root = source.root();
XMLNode const * routes;
if (!(routes = root->child ("Routes"))) {
throw failed_constructor();
}
XMLNodeList const & route_list = routes->children();
for (XMLNodeList::const_iterator it = route_list.begin(); it != route_list.end(); ++it) {
XMLProperty const * type = (*it)->property("default-type");
if ( (!type || type->value() == "audio") && ((*it)->property ("diskstream") != 0 || (*it)->property ("diskstream-id") != 0)) {
try {
elements.push_back (ElementPtr ( new AudioTrackImporter (source, session, *this, **it, pl_handler)));
} catch (failed_constructor const&) {
set_dirty();
}
}
}
}
string
AudioTrackImportHandler::get_info () const
{
return _("Audio Tracks");
}
/*** AudioTrackImporter ***/
AudioTrackImporter::AudioTrackImporter (XMLTree const & source,
Session & session,
AudioTrackImportHandler & track_handler,
XMLNode const & node,
AudioPlaylistImportHandler & pl_handler) :
ElementImporter (source, session),
track_handler (track_handler),
xml_track (node),
pl_handler (pl_handler)
{
XMLProperty * prop;
if (!parse_route_xml ()) {
throw failed_constructor();
}
if (!parse_io ()) {
throw failed_constructor();
}
XMLNodeList const & controllables = node.children (Controllable::xml_node_name);
for (XMLNodeList::const_iterator it = controllables.begin(); it != controllables.end(); ++it) {
parse_controllable (**it);
}
XMLNode * remote_control = xml_track.child ("RemoteControl");
if (remote_control && (prop = remote_control->property ("id"))) {
uint32_t control_id = session.ntracks() + session.nbusses() + 1;
prop->set_value (to_string (control_id));
}
xml_track.remove_nodes_and_delete ("Extra");
}
AudioTrackImporter::~AudioTrackImporter ()
{
playlists.clear ();
}
bool
AudioTrackImporter::parse_route_xml ()
{
bool ds_ok = false;
// Remove order keys, new ones will be generated
xml_track.remove_property ("order-keys");
XMLPropertyList const & props = xml_track.properties();
for (XMLPropertyList::const_iterator it = props.begin(); it != props.end(); ++it) {
string prop = (*it)->name();
if (!prop.compare ("default-type") || !prop.compare ("flags") ||
!prop.compare ("active") || !prop.compare ("muted") ||
!prop.compare ("soloed") || !prop.compare ("phase-invert") ||
!prop.compare ("denormal-protection") || !prop.compare("mute-affects-pre-fader") ||
!prop.compare ("mute-affects-post-fader") || !prop.compare("mute-affects-control-outs") ||
!prop.compare ("mute-affects-main-outs") || !prop.compare("mode")) {
// All ok
} else if (!prop.compare("diskstream-id")) {
old_ds_id = (*it)->value();
(*it)->set_value (new_ds_id.to_s());
ds_ok = true;
} else {
std::cerr << string_compose (X_("AudioTrackImporter: did not recognise XML-property \"%1\""), prop) << endmsg;
}
}
if (!ds_ok) {
error << X_("AudioTrackImporter: did not find necessary XML-property \"diskstream-id\"") << endmsg;
return false;
}
return true;
}
bool
AudioTrackImporter::parse_io ()
{
XMLNode * io;
bool name_ok = false;
bool id_ok = false;
if (!(io = xml_track.child ("IO"))) {
return false;
}
XMLPropertyList const & props = io->properties();
for (XMLPropertyList::const_iterator it = props.begin(); it != props.end(); ++it) {
string prop = (*it)->name();
if (!prop.compare ("gain") || !prop.compare ("iolimits")) {
// All ok
} else if (!prop.compare("name")) {
name = (*it)->value();
name_ok = true;
} else if (!prop.compare("id")) {
PBD::ID id;
(*it)->set_value (id.to_s());
id_ok = true;
} else if (!prop.compare("inputs")) {
// TODO Handle this properly!
/* Input and output ports are counted and added empty, so that no in/output connecting function fails. */
uint32_t num_inputs = std::count ((*it)->value().begin(), (*it)->value().end(), '{');
std::string value;
for (uint32_t i = 0; i < num_inputs; i++) { value += "{}"; }
(*it)->set_value (value);
} else if (!prop.compare("outputs")) {
// TODO See comments above
uint32_t num_outputs = std::count ((*it)->value().begin(), (*it)->value().end(), '{');
std::string value;
for (uint32_t i = 0; i < num_outputs; i++) { value += "{}"; }
(*it)->set_value (value);
} else {
std::cerr << string_compose (X_("AudioTrackImporter: did not recognise XML-property \"%1\""), prop) << endmsg;
}
}
if (!name_ok) {
error << X_("AudioTrackImporter: did not find necessary XML-property \"name\"") << endmsg;
return false;
}
if (!id_ok) {
error << X_("AudioTrackImporter: did not find necessary XML-property \"id\"") << endmsg;
return false;
}
XMLNodeList const & controllables = io->children (Controllable::xml_node_name);
for (XMLNodeList::const_iterator it = controllables.begin(); it != controllables.end(); ++it) {
parse_controllable (**it);
}
XMLNodeList const & processors = io->children ("Processor");
for (XMLNodeList::const_iterator it = processors.begin(); it != processors.end(); ++it) {
parse_processor (**it);
}
XMLNodeList const & automations = io->children ("Automation");
for (XMLNodeList::const_iterator it = automations.begin(); it != automations.end(); ++it) {
parse_automation (**it);
}
return true;
}
string
AudioTrackImporter::get_info () const
{
// TODO
return name;
}
/** @return true if everything is ok */
bool
AudioTrackImporter::_prepare_move ()
{
/* Copy dependent playlists */
pl_handler.playlists_by_diskstream (old_ds_id, playlists);
for (PlaylistList::iterator it = playlists.begin(); it != playlists.end(); ++it) {
if (!(*it)->prepare_move ()) {
playlists.clear ();
return false;
}
(*it)->set_diskstream (new_ds_id);
}
/* Rename */
while (session.route_by_name (name) || !track_handler.check_name (name)) {
std::pair<bool, string> rename_pair = *Rename (_("A playlist with this name already exists, please rename it."), name);
if (!rename_pair.first) {
return false;
}
name = rename_pair.second;
}
XMLNode* c = xml_track.child ("IO");
if (!c) {
error << _("badly-formed XML in imported track") << endmsg;
return false;
}
XMLProperty * p = c->property ("name");
if (!p) {
error << _("badly-formed XML in imported track") << endmsg;
return false;
}
p->set_value (name);
track_handler.add_name (name);
return true;
}
void
AudioTrackImporter::_cancel_move ()
{
track_handler.remove_name (name);
playlists.clear ();
}
void
AudioTrackImporter::_move ()
{
/* XXX DISK */
#if 0
/* Add diskstream */
boost::shared_ptr<XMLSharedNodeList> ds_node_list;
string xpath = "/Session/DiskStreams/AudioDiskstream[@id='" + old_ds_id.to_s() + "']";
ds_node_list = source.find (xpath);
if (ds_node_list->size() != 1) {
error << string_compose (_("Error Importing Audio track %1"), name) << endmsg;
return;
}
boost::shared_ptr<XMLNode> ds_node = ds_node_list->front();
XMLProperty * p = ds_node->property (X_("id"));
assert (p);
p->set_value (new_ds_id.to_s());
boost::shared_ptr<DiskReader> new_ds (new DiskReader (session, *ds_node));
new_ds->set_name (name);
new_ds->do_refill_with_alloc (true, false);
new_ds->set_block_size (session.get_block_size ());
/* Import playlists */
for (PlaylistList::const_iterator it = playlists.begin(); it != playlists.end(); ++it) {
(*it)->move ();
}
/* Import track */
XMLNode routes ("Routes");
routes.add_child_copy (xml_track);
session.load_routes (routes, 3000);
#endif
}
bool
AudioTrackImporter::parse_processor (XMLNode & node)
{
XMLNode * automation = node.child ("Automation");
if (automation) {
parse_automation (*automation);
}
return true;
}
bool
AudioTrackImporter::parse_controllable (XMLNode & node)
{
XMLProperty * prop;
if ((prop = node.property ("id"))) {
PBD::ID new_id;
prop->set_value (new_id.to_s());
} else {
return false;
}
return true;
}
bool
AudioTrackImporter::parse_automation (XMLNode & node)
{
XMLNodeList const & lists = node.children ("AutomationList");
for (XMLNodeList::const_iterator it = lists.begin(); it != lists.end(); ++it) {
XMLProperty * prop;
if ((prop = (*it)->property ("id"))) {
PBD::ID id;
prop->set_value (id.to_s());
}
if (!(*it)->name().compare ("events")) {
rate_convert_events (**it);
}
}
return true;
}
bool
AudioTrackImporter::rate_convert_events (XMLNode & node)
{
if (node.children().empty()) {
return false;
}
XMLNode* content_node = node.children().front();
if (content_node->content().empty()) {
return false;
}
std::stringstream str (content_node->content());
std::ostringstream new_content;
samplecnt_t x;
double y;
bool ok = true;
while (str) {
str >> x;
if (!str) {
break;
}
str >> y;
if (!str) {
ok = false;
break;
}
new_content << rate_convert_samples (x) << ' ' << y;
}
if (!ok) {
error << X_("AudioTrackImporter: error in rate converting automation events") << endmsg;
return false;
}
content_node->set_content (new_content.str());
return true;
}