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livetrax/libs/ardour/audio_region_importer.cc
Carl Hetherington 73192bc1a7 Remove all use of nframes_t.
git-svn-id: svn://localhost/ardour2/branches/3.0@8166 d708f5d6-7413-0410-9779-e7cbd77b26cf
2010-12-03 22:26:29 +00:00

400 lines
10 KiB
C++

/*
Copyright (C) 2008 Paul Davis
Author: Sakari Bergen
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., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include "ardour/audio_region_importer.h"
#include <sstream>
#include "pbd/failed_constructor.h"
#include "pbd/compose.h"
#include "pbd/error.h"
#include "ardour/session.h"
#include "ardour/region.h"
#include "ardour/source_factory.h"
#include "ardour/region_factory.h"
#include "ardour/session_directory.h"
#include "i18n.h"
using namespace std;
using namespace PBD;
using namespace ARDOUR;
/**** Handler ***/
AudioRegionImportHandler::AudioRegionImportHandler (XMLTree const & source, Session & session) :
ElementImportHandler (source, session)
{
XMLNode const * root = source.root();
XMLNode const * regions;
if (!(regions = root->child (X_("Regions")))) {
throw failed_constructor();
}
create_regions_from_children (*regions, elements);
}
void
AudioRegionImportHandler::create_regions_from_children (XMLNode const & node, ElementList & list)
{
XMLNodeList const & children = node.children();
for (XMLNodeList::const_iterator it = children.begin(); it != children.end(); ++it) {
XMLProperty const * type = (*it)->property("type");
if (!(*it)->name().compare ("Region") && (!type || type->value() == "audio") ) {
try {
list.push_back (ElementPtr ( new AudioRegionImporter (source, session, *this, **it)));
} catch (failed_constructor err) {
set_dirty();
}
}
}
}
string
AudioRegionImportHandler::get_info () const
{
return _("Audio Regions");
}
bool
AudioRegionImportHandler::check_source (string const & filename) const
{
return (sources.find (filename) != sources.end());
}
void
AudioRegionImportHandler::add_source (string const & filename, boost::shared_ptr<Source> const & source)
{
sources.insert (SourcePair (filename, source));
}
boost::shared_ptr<Source> const &
AudioRegionImportHandler::get_source (string const & filename) const
{
return (sources.find (filename))->second;
}
void
AudioRegionImportHandler::register_id (PBD::ID & old_id, PBD::ID & new_id)
{
id_map.insert (IdPair (old_id, new_id));
}
PBD::ID const &
AudioRegionImportHandler::get_new_id (PBD::ID & old_id) const
{
return (id_map.find (old_id))->second;
}
/*** AudioRegionImporter ***/
AudioRegionImporter::AudioRegionImporter (XMLTree const & source, Session & session, AudioRegionImportHandler & handler, XMLNode const & node) :
ElementImporter (source, session),
xml_region (node),
handler (handler),
old_id ("0"),
region_prepared (false),
sources_prepared (false)
{
if (!parse_xml_region () || !parse_source_xml ()) {
throw failed_constructor();
}
handler.register_id (old_id, id);
}
AudioRegionImporter::~AudioRegionImporter ()
{
}
string
AudioRegionImporter::get_info () const
{
framecnt_t length, position;
Timecode::Time length_time, position_time;
std::ostringstream oss;
// Get sample positions
std::istringstream iss_length(xml_region.property ("length")->value());
iss_length >> length;
std::istringstream iss_position(xml_region.property ("position")->value());
iss_position >> position;
// Convert to timecode
session.sample_to_timecode(length, length_time, true, false);
session.sample_to_timecode(position, position_time, true, false);
// return info
oss << _("Length: ") <<
timecode_to_string(length_time) <<
_("\nPosition: ") <<
timecode_to_string(position_time) <<
_("\nChannels: ") <<
xml_region.property ("channels")->value();
return oss.str();
}
bool
AudioRegionImporter::_prepare_move ()
{
return true;
}
void
AudioRegionImporter::_cancel_move ()
{
}
void
AudioRegionImporter::_move ()
{
if (!region_prepared) {
prepare_region();
if (!region_prepared) {
return;
}
}
if (broken()) {
return;
}
}
bool
AudioRegionImporter::parse_xml_region ()
{
XMLPropertyList const & props = xml_region.properties();
bool id_ok = false;
bool name_ok = false;
for (XMLPropertyList::const_iterator it = props.begin(); it != props.end(); ++it) {
string prop = (*it)->name();
if (!prop.compare ("type") || !prop.compare ("stretch") ||
!prop.compare ("shift") || !prop.compare ("first_edit") ||
!prop.compare ("layer") || !prop.compare ("flags") ||
!prop.compare ("scale-gain") || !prop.compare("channels") ||
!prop.compare ("first-edit") ||
prop.find ("master-source-") == 0 || prop.find ("source-") == 0) {
// All ok
} else if (!prop.compare ("start") || !prop.compare ("length") ||
!prop.compare ("position") || !prop.compare ("ancestral-start") ||
!prop.compare ("ancestral-length") || !prop.compare ("sync-position")) {
// Sample rate conversion
(*it)->set_value (rate_convert_samples ((*it)->value()));
} else if (!prop.compare("id")) {
// get old id and update id
old_id = (*it)->value();
(*it)->set_value (id.to_s());
id_ok = true;
} else if (!prop.compare("name")) {
// rename region if necessary
name = (*it)->value();
name = RegionFactory::new_region_name (name);
(*it)->set_value (name);
name_ok = true;
} else {
std::cerr << string_compose (X_("AudioRegionImporter (%1): did not recognise XML-property \"%2\""), name, prop) << endmsg;
}
}
if (!id_ok) {
error << string_compose (X_("AudioRegionImporter (%1): did not find necessary XML-property \"id\""), name) << endmsg;
return false;
}
if (!name_ok) {
error << X_("AudioRegionImporter: did not find necessary XML-property \"name\"") << endmsg;
return false;
}
return true;
}
bool
AudioRegionImporter::parse_source_xml ()
{
uint32_t channels;
char buf[128];
PBD::sys::path source_dir = get_sound_dir (source);
PBD::sys::path source_path;
XMLNode * source_node;
XMLProperty *prop;
// Get XML for sources
if (!(source_node = source.root()->child (X_("Sources")))) {
return false;
}
XMLNodeList const & sources = source_node->children();
// Get source for each channel
if (!(prop = xml_region.property ("channels"))) {
error << string_compose (X_("AudioRegionImporter (%1): did not find necessary XML-property \"channels\""), name) << endmsg;
return false;
}
channels = atoi (prop->value().c_str());
for (uint32_t i = 0; i < channels; ++i) {
bool source_found = false;
// Get id for source-n
snprintf (buf, sizeof(buf), X_("source-%d"), i);
prop = xml_region.property (buf);
if (!prop) {
error << string_compose (X_("AudioRegionImporter (%1): did not find necessary XML-property \"%2\""), name, buf) << endmsg;
return false;
}
string source_id = prop->value();
// Get source
for (XMLNodeList::const_iterator it = sources.begin(); it != sources.end(); ++it) {
prop = (*it)->property ("id");
if (prop && !source_id.compare (prop->value())) {
source_path = source_dir;
prop = (*it)->property ("name");
if (!prop) {
error << string_compose (X_("AudioRegionImporter (%1): source %2 has no \"name\" property"), name, source_id) << endmsg;
return false;
}
source_path /= prop->value();
filenames.push_back (source_path.to_string());
source_found = true;
break;
}
}
if (!source_found) {
error << string_compose (X_("AudioRegionImporter (%1): could not find all necessary sources"), name) << endmsg;
return false;
}
}
return true;
}
PBD::sys::path
AudioRegionImporter::get_sound_dir (XMLTree const & tree)
{
PBD::sys::path source_dir = tree.filename();
source_dir = source_dir.branch_path();
SessionDirectory session_dir(source_dir);
source_dir = session_dir.sound_path();
return source_dir;
}
void
AudioRegionImporter::prepare_region ()
{
if (region_prepared) {
return;
}
SourceList source_list;
prepare_sources();
// Create source list
for (std::list<string>::iterator it = filenames.begin(); it != filenames.end(); ++it) {
source_list.push_back (handler.get_source (*it));
}
// create region and update XML
region.push_back (RegionFactory::create (source_list, xml_region));
if (*region.begin()) {
xml_region = (*region.begin())->get_state();
} else {
error << string_compose (X_("AudioRegionImporter (%1): could not construct Region"), name) << endmsg;
handler.set_errors();
}
region_prepared = true;
}
void
AudioRegionImporter::prepare_sources ()
{
if (sources_prepared) {
return;
}
status.total = 0;
status.replace_existing_source = false;
status.done = false;
status.cancel = false;
status.freeze = false;
status.progress = 0.0;
status.quality = SrcBest; // TODO other qualities also
// Get sources that still need to be imported
for (std::list<string>::iterator it = filenames.begin(); it != filenames.end(); ++it) {
if (!handler.check_source (*it)) {
status.paths.push_back (*it);
status.total++;
}
}
// import files
// TODO: threading & exception handling
session.import_audiofiles (status);
// Add imported sources to handlers map
std::vector<string>::iterator file_it = status.paths.begin();
for (SourceList::iterator source_it = status.sources.begin(); source_it != status.sources.end(); ++source_it) {
if (*source_it) {
handler.add_source(*file_it, *source_it);
} else {
error << string_compose (X_("AudioRegionImporter (%1): could not import all necessary sources"), name) << endmsg;
handler.set_errors();
set_broken();
}
++file_it;
}
sources_prepared = true;
}
void
AudioRegionImporter::add_sources_to_session ()
{
if (!sources_prepared) {
prepare_sources();
}
if (broken()) {
return;
}
for (std::list<string>::iterator it = filenames.begin(); it != filenames.end(); ++it) {
session.add_source (handler.get_source (*it));
}
}
XMLNode const &
AudioRegionImporter::get_xml ()
{
if(!region_prepared) {
prepare_region();
}
return xml_region;
}