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/*
Copyright (C) 2000-2006 Paul Davis
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.
$Id$
*/
#ifdef WAF_BUILD
#include "libardour-config.h"
#endif
#include "pbd/boost_debug.h"
#include "pbd/error.h"
#include "pbd/convert.h"
#include "pbd/pthread_utils.h"
#include "pbd/stacktrace.h"
#include "ardour/source_factory.h"
#include "ardour/sndfilesource.h"
#include "ardour/silentfilesource.h"
#include "ardour/rc_configuration.h"
#include "ardour/smf_source.h"
#include "ardour/session.h"
#ifdef HAVE_COREAUDIO
#define USE_COREAUDIO_FOR_FILES
#endif
#ifdef USE_COREAUDIO_FOR_FILES
#include "ardour/coreaudiosource.h"
#endif
#include "i18n.h"
using namespace ARDOUR;
using namespace std;
using namespace PBD;
sigc::signal<void,boost::shared_ptr<Source> > SourceFactory::SourceCreated;
Glib::Cond* SourceFactory::PeaksToBuild;
Glib::StaticMutex SourceFactory::peak_building_lock = GLIBMM_STATIC_MUTEX_INIT;
std::list<boost::weak_ptr<AudioSource> > SourceFactory::files_with_peaks;
static void
peak_thread_work ()
{
PBD::notify_gui_about_thread_creation (pthread_self(), string ("peakbuilder-") + to_string (pthread_self(), std::dec));
SessionEvent::create_per_thread_pool (X_("PeakFile Builder "), 64);
while (true) {
SourceFactory::peak_building_lock.lock ();
wait:
if (SourceFactory::files_with_peaks.empty()) {
SourceFactory::PeaksToBuild->wait (SourceFactory::peak_building_lock);
}
if (SourceFactory::files_with_peaks.empty()) {
goto wait;
}
boost::shared_ptr<AudioSource> as (SourceFactory::files_with_peaks.front().lock());
SourceFactory::files_with_peaks.pop_front ();
SourceFactory::peak_building_lock.unlock ();
if (!as) {
continue;
}
as->setup_peakfile ();
}
}
void
SourceFactory::init ()
{
PeaksToBuild = new Glib::Cond();
for (int n = 0; n < 2; ++n) {
Glib::Thread::create (sigc::ptr_fun (::peak_thread_work), false);
}
}
int
SourceFactory::setup_peakfile (boost::shared_ptr<Source> s, bool async)
{
boost::shared_ptr<AudioSource> as (boost::dynamic_pointer_cast<AudioSource> (s));
if (as) {
if (async) {
Glib::Mutex::Lock lm (peak_building_lock);
files_with_peaks.push_back (boost::weak_ptr<AudioSource> (as));
PeaksToBuild->broadcast ();
} else {
if (as->setup_peakfile ()) {
error << string_compose("SourceFactory: could not set up peakfile for %1", as->name()) << endmsg;
return -1;
}
}
}
return 0;
}
boost::shared_ptr<Source>
SourceFactory::createSilent (Session& s, const XMLNode& node, nframes_t nframes, float sr)
{
Source* src = new SilentFileSource (s, node, nframes, sr);
// boost_debug_shared_ptr_mark_interesting (src, typeid(src).name());
boost::shared_ptr<Source> ret (src);
// no analysis data - the file is non-existent
SourceCreated (ret);
return ret;
}
boost::shared_ptr<Source>
SourceFactory::create (Session& s, const XMLNode& node, bool defer_peaks)
{
DataType type = DataType::AUDIO;
const XMLProperty* prop = node.property("type");
if (prop) {
type = DataType (prop->value());
}
if (type == DataType::AUDIO) {
try {
Source* src = new SndFileSource (s, node);
// boost_debug_shared_ptr_mark_interesting (src, typeid(src).name());
boost::shared_ptr<Source> ret (src);
if (setup_peakfile (ret, defer_peaks)) {
return boost::shared_ptr<Source>();
}
ret->check_for_analysis_data_on_disk ();
SourceCreated (ret);
return ret;
}
catch (failed_constructor& err) {
#ifdef USE_COREAUDIO_FOR_FILES
/* this is allowed to throw */
Source *src = new CoreAudioSource (s, node);
// boost_debug_shared_ptr_mark_interesting (src, typeid(src).name());
boost::shared_ptr<Source> ret (src);
if (setup_peakfile (ret, defer_peaks)) {
return boost::shared_ptr<Source>();
}
ret->check_for_analysis_data_on_disk ();
SourceCreated (ret);
return ret;
#else
throw; // rethrow
#endif
}
} else if (type == DataType::MIDI) {
Source* src = new SMFSource (s, node);
// boost_debug_shared_ptr_mark_interesting (src, typeid(src).name());
boost::shared_ptr<Source> ret (src);
ret->check_for_analysis_data_on_disk ();
SourceCreated (ret);
return ret;
}
return boost::shared_ptr<Source>();
}
boost::shared_ptr<Source>
SourceFactory::createReadable (DataType type, Session& s, const string& path,
int chn, Source::Flag flags, bool announce, bool defer_peaks)
{
if (type == DataType::AUDIO) {
if (!(flags & Destructive)) {
try {
Source* src = new SndFileSource (s, path, chn, flags);
// boost_debug_shared_ptr_mark_interesting (src, typeid(src).name());
boost::shared_ptr<Source> ret (src);
if (setup_peakfile (ret, defer_peaks)) {
return boost::shared_ptr<Source>();
}
ret->check_for_analysis_data_on_disk ();
if (announce) {
SourceCreated (ret);
}
return ret;
}
catch (failed_constructor& err) {
#ifdef USE_COREAUDIO_FOR_FILES
Source* src = new CoreAudioSource (s, path, chn, flags);
// boost_debug_shared_ptr_mark_interesting (src, typeid(src).name());
boost::shared_ptr<Source> ret (src);
if (setup_peakfile (ret, defer_peaks)) {
return boost::shared_ptr<Source>();
}
ret->check_for_analysis_data_on_disk ();
if (announce) {
SourceCreated (ret);
}
return ret;
#else
throw; // rethrow
#endif
}
} else {
// eh?
}
} else if (type == DataType::MIDI) {
Source* src = new SMFSource (s, path, SMFSource::Flag(0));
// boost_debug_shared_ptr_mark_interesting (src, typeid(src).name());
boost::shared_ptr<Source> ret (src);
if (announce) {
SourceCreated (ret);
}
return ret;
}
return boost::shared_ptr<Source>();
}
boost::shared_ptr<Source>
SourceFactory::createWritable (DataType type, Session& s, const std::string& path,
bool destructive, nframes_t rate, bool announce, bool defer_peaks)
{
/* this might throw failed_constructor(), which is OK */
if (type == DataType::AUDIO) {
Source* src = new SndFileSource (s, path,
s.config.get_native_file_data_format(),
s.config.get_native_file_header_format(),
rate,
(destructive
? Source::Flag (SndFileSource::default_writable_flags | Source::Destructive)
: SndFileSource::default_writable_flags));
// boost_debug_shared_ptr_mark_interesting (src, typeid(src).name());
boost::shared_ptr<Source> ret (src);
if (setup_peakfile (ret, defer_peaks)) {
return boost::shared_ptr<Source>();
}
// no analysis data - this is a new file
if (announce) {
SourceCreated (ret);
}
return ret;
} else if (type == DataType::MIDI) {
Source* src = new SMFSource (s, path, Source::Flag(0));
// boost_debug_shared_ptr_mark_interesting (src, typeid(src).name());
boost::shared_ptr<Source> ret (src);
// no analysis data - this is a new file
if (announce) {
SourceCreated (ret);
}
return ret;
}
return boost::shared_ptr<Source> ();
}
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