d3bd0279ae
git-svn-id: svn://localhost/ardour2/branches/3.0@10375 d708f5d6-7413-0410-9779-e7cbd77b26cf
410 lines
9.7 KiB
C++
410 lines
9.7 KiB
C++
/*
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Copyright (C) 2000-2006 Paul Davis
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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$Id$
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*/
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#ifdef WAF_BUILD
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#include "libardour-config.h"
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#endif
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#include "pbd/boost_debug.h"
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#include "pbd/error.h"
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#include "pbd/convert.h"
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#include "pbd/pthread_utils.h"
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#include "pbd/stacktrace.h"
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#include "ardour/audioplaylist.h"
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#include "ardour/audio_playlist_source.h"
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#include "ardour/midi_playlist.h"
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#include "ardour/midi_playlist_source.h"
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#include "ardour/source_factory.h"
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#include "ardour/sndfilesource.h"
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#include "ardour/silentfilesource.h"
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#include "ardour/smf_source.h"
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#include "ardour/session.h"
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#ifdef HAVE_COREAUDIO
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#include "ardour/coreaudiosource.h"
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#endif
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#include "i18n.h"
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using namespace ARDOUR;
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using namespace std;
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using namespace PBD;
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PBD::Signal1<void,boost::shared_ptr<Source> > SourceFactory::SourceCreated;
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Glib::Cond* SourceFactory::PeaksToBuild;
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Glib::StaticMutex SourceFactory::peak_building_lock = GLIBMM_STATIC_MUTEX_INIT;
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std::list<boost::weak_ptr<AudioSource> > SourceFactory::files_with_peaks;
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static void
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peak_thread_work ()
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{
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SessionEvent::create_per_thread_pool (X_("PeakFile Builder "), 64);
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while (true) {
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SourceFactory::peak_building_lock.lock ();
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wait:
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if (SourceFactory::files_with_peaks.empty()) {
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SourceFactory::PeaksToBuild->wait (SourceFactory::peak_building_lock);
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}
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if (SourceFactory::files_with_peaks.empty()) {
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goto wait;
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}
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boost::shared_ptr<AudioSource> as (SourceFactory::files_with_peaks.front().lock());
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SourceFactory::files_with_peaks.pop_front ();
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SourceFactory::peak_building_lock.unlock ();
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if (!as) {
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continue;
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}
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as->setup_peakfile ();
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}
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}
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void
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SourceFactory::init ()
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{
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PeaksToBuild = new Glib::Cond();
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for (int n = 0; n < 2; ++n) {
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Glib::Thread::create (sigc::ptr_fun (::peak_thread_work), false);
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}
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}
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int
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SourceFactory::setup_peakfile (boost::shared_ptr<Source> s, bool async)
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{
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boost::shared_ptr<AudioSource> as (boost::dynamic_pointer_cast<AudioSource> (s));
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if (as) {
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if (async) {
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Glib::Mutex::Lock lm (peak_building_lock);
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files_with_peaks.push_back (boost::weak_ptr<AudioSource> (as));
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PeaksToBuild->broadcast ();
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} else {
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if (as->setup_peakfile ()) {
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error << string_compose("SourceFactory: could not set up peakfile for %1", as->name()) << endmsg;
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return -1;
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}
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}
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}
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return 0;
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}
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boost::shared_ptr<Source>
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SourceFactory::createSilent (Session& s, const XMLNode& node, framecnt_t nframes, float sr)
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{
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Source* src = new SilentFileSource (s, node, nframes, sr);
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#ifdef BOOST_SP_ENABLE_DEBUG_HOOKS
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// boost_debug_shared_ptr_mark_interesting (src, "Source");
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#endif
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boost::shared_ptr<Source> ret (src);
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// no analysis data - the file is non-existent
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SourceCreated (ret);
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return ret;
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}
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boost::shared_ptr<Source>
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SourceFactory::create (Session& s, const XMLNode& node, bool defer_peaks)
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{
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DataType type = DataType::AUDIO;
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const XMLProperty* prop = node.property("type");
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if (prop) {
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type = DataType (prop->value());
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}
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if (type == DataType::AUDIO) {
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/* it could be nested */
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if (node.property ("playlist") != 0) {
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try {
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boost::shared_ptr<AudioPlaylistSource> ap (new AudioPlaylistSource (s, node));
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if (setup_peakfile (ap, true)) {
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return boost::shared_ptr<Source>();
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}
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ap->check_for_analysis_data_on_disk ();
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SourceCreated (ap);
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return ap;
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} catch (failed_constructor&) {
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/* oh well, so much for that then ... */
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}
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} else {
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try {
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Source* src = new SndFileSource (s, node);
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#ifdef BOOST_SP_ENABLE_DEBUG_HOOKS
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// boost_debug_shared_ptr_mark_interesting (src, "Source");
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#endif
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boost::shared_ptr<Source> ret (src);
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if (setup_peakfile (ret, defer_peaks)) {
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return boost::shared_ptr<Source>();
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}
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ret->check_for_analysis_data_on_disk ();
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SourceCreated (ret);
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return ret;
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}
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catch (failed_constructor& err) {
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#ifdef HAVE_COREAUDIO
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/* this is allowed to throw */
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Source *src = new CoreAudioSource (s, node);
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#ifdef BOOST_SP_ENABLE_DEBUG_HOOKS
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// boost_debug_shared_ptr_mark_interesting (src, "Source");
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#endif
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boost::shared_ptr<Source> ret (src);
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if (setup_peakfile (ret, defer_peaks)) {
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return boost::shared_ptr<Source>();
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}
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ret->check_for_analysis_data_on_disk ();
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SourceCreated (ret);
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return ret;
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#else
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throw; // rethrow
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#endif
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}
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}
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} else if (type == DataType::MIDI) {
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boost::shared_ptr<SMFSource> src (new SMFSource (s, node));
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src->load_model (true, true);
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#ifdef BOOST_SP_ENABLE_DEBUG_HOOKS
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// boost_debug_shared_ptr_mark_interesting (src, "Source");
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#endif
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src->check_for_analysis_data_on_disk ();
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SourceCreated (src);
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return src;
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}
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return boost::shared_ptr<Source>();
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}
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boost::shared_ptr<Source>
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SourceFactory::createReadable (DataType type, Session& s, const string& path,
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int chn, Source::Flag flags, bool announce, bool defer_peaks)
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{
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if (type == DataType::AUDIO) {
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if (!(flags & Destructive)) {
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try {
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Source* src = new SndFileSource (s, path, chn, flags);
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#ifdef BOOST_SP_ENABLE_DEBUG_HOOKS
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// boost_debug_shared_ptr_mark_interesting (src, "Source");
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#endif
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boost::shared_ptr<Source> ret (src);
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if (setup_peakfile (ret, defer_peaks)) {
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return boost::shared_ptr<Source>();
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}
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ret->check_for_analysis_data_on_disk ();
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if (announce) {
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SourceCreated (ret);
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}
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return ret;
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}
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catch (failed_constructor& err) {
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#ifdef HAVE_COREAUDIO
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Source* src = new CoreAudioSource (s, path, chn, flags);
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#ifdef BOOST_SP_ENABLE_DEBUG_HOOKS
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// boost_debug_shared_ptr_mark_interesting (src, "Source");
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#endif
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boost::shared_ptr<Source> ret (src);
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if (setup_peakfile (ret, defer_peaks)) {
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return boost::shared_ptr<Source>();
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}
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ret->check_for_analysis_data_on_disk ();
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if (announce) {
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SourceCreated (ret);
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}
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return ret;
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#else
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throw; // rethrow
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#endif
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}
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} else {
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// eh?
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}
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} else if (type == DataType::MIDI) {
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SMFSource* src = new SMFSource (s, path, SMFSource::Flag(0));
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src->load_model (true, true);
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#ifdef BOOST_SP_ENABLE_DEBUG_HOOKS
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// boost_debug_shared_ptr_mark_interesting (src, "Source");
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#endif
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boost::shared_ptr<Source> ret (src);
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if (announce) {
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SourceCreated (ret);
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}
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return ret;
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}
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return boost::shared_ptr<Source>();
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}
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boost::shared_ptr<Source>
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SourceFactory::createWritable (DataType type, Session& s, const std::string& path, const std::string& origin,
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bool destructive, framecnt_t rate, bool announce, bool defer_peaks)
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{
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/* this might throw failed_constructor(), which is OK */
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if (type == DataType::AUDIO) {
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Source* src = new SndFileSource (s, path, origin,
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s.config.get_native_file_data_format(),
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s.config.get_native_file_header_format(),
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rate,
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(destructive
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? Source::Flag (SndFileSource::default_writable_flags | Source::Destructive)
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: SndFileSource::default_writable_flags));
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#ifdef BOOST_SP_ENABLE_DEBUG_HOOKS
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// boost_debug_shared_ptr_mark_interesting (src, "Source");
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#endif
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boost::shared_ptr<Source> ret (src);
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if (setup_peakfile (ret, defer_peaks)) {
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return boost::shared_ptr<Source>();
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}
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// no analysis data - this is a new file
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if (announce) {
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SourceCreated (ret);
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}
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return ret;
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} else if (type == DataType::MIDI) {
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// XXX writable flags should belong to MidiSource too
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boost::shared_ptr<SMFSource> src (new SMFSource (s, path, SndFileSource::default_writable_flags));
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assert (src->writable ());
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src->load_model (true, true);
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#ifdef BOOST_SP_ENABLE_DEBUG_HOOKS
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// boost_debug_shared_ptr_mark_interesting (src, "Source");
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#endif
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// no analysis data - this is a new file
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if (announce) {
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SourceCreated (src);
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}
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return src;
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}
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return boost::shared_ptr<Source> ();
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}
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boost::shared_ptr<Source>
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SourceFactory::createFromPlaylist (DataType type, Session& s, boost::shared_ptr<Playlist> p, const PBD::ID& orig, const std::string& name,
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uint32_t chn, frameoffset_t start, framecnt_t len, bool copy, bool defer_peaks)
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{
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if (type == DataType::AUDIO) {
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try {
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boost::shared_ptr<AudioPlaylist> ap = boost::dynamic_pointer_cast<AudioPlaylist>(p);
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if (ap) {
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if (copy) {
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ap.reset (new AudioPlaylist (ap, start, len, name, true));
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start = 0;
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}
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Source* src = new AudioPlaylistSource (s, orig, name, ap, chn, start, len, Source::Flag (0));
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boost::shared_ptr<Source> ret (src);
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if (setup_peakfile (ret, defer_peaks)) {
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return boost::shared_ptr<Source>();
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}
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ret->check_for_analysis_data_on_disk ();
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SourceCreated (ret);
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return ret;
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}
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}
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catch (failed_constructor& err) {
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/* relax - return at function scope */
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}
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} else if (type == DataType::MIDI) {
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try {
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boost::shared_ptr<MidiPlaylist> ap = boost::dynamic_pointer_cast<MidiPlaylist>(p);
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if (ap) {
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if (copy) {
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ap.reset (new MidiPlaylist (ap, start, len, name, true));
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start = 0;
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}
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Source* src = new MidiPlaylistSource (s, orig, name, ap, chn, start, len, Source::Flag (0));
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boost::shared_ptr<Source> ret (src);
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SourceCreated (ret);
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return ret;
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}
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}
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catch (failed_constructor& err) {
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/* relax - return at function scope */
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}
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}
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return boost::shared_ptr<Source>();
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}
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