X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=libs%2Fardour%2Fsource.cc;h=4c582f3ad741146d4af653e96ce5a5380dac5181;hb=204baa31d842d4c2f833d319b6fa55e402a1bfb8;hp=977aea6efd4f70c13374e96e24b26a4db35051fb;hpb=7bd41538d951c3e476655df741adfbebbb990bde;p=ardour.git diff --git a/libs/ardour/source.cc b/libs/ardour/source.cc index 977aea6efd..4c582f3ad7 100644 --- a/libs/ardour/source.cc +++ b/libs/ardour/source.cc @@ -1,5 +1,5 @@ /* - Copyright (C) 2000 Paul Davis + Copyright (C) 2000 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 @@ -15,7 +15,6 @@ along with this program; if not, write to the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - $Id$ */ #include @@ -28,47 +27,68 @@ #include #include #include +#include #include -#include -#include +#include +#include +#include "pbd/xml++.h" +#include "pbd/pthread_utils.h" +#include "pbd/enumwriter.h" -#include +#include "ardour/debug.h" +#include "ardour/session.h" +#include "ardour/source.h" +#include "ardour/transient_detector.h" #include "i18n.h" -using std::min; -using std::max; - +using namespace std; using namespace ARDOUR; +using namespace PBD; -Source::Source (Session& s, string name, DataType type) - : _session (s) +Source::Source (Session& s, DataType type, const string& name, Flag flags) + : SessionObject(s, name) , _type(type) + , _flags(flags) + , _timeline_position(0) + , _use_count (0) + , _level (0) { - assert(_name.find("/") == string::npos); - - _name = name; + _analysed = false; _timestamp = 0; - _length = 0; + fix_writable_flags (); } -Source::Source (Session& s, const XMLNode& node) - : _session (s) +Source::Source (Session& s, const XMLNode& node) + : SessionObject(s, "unnamed source") , _type(DataType::AUDIO) + , _flags (Flag (Writable|CanRename)) + , _timeline_position(0) + , _use_count (0) + , _level (0) { _timestamp = 0; - _length = 0; + _analysed = false; - if (set_state (node) || _type == DataType::NIL) { + if (set_state (node, Stateful::loading_state_version) || _type == DataType::NIL) { throw failed_constructor(); } - assert(_name.find("/") == string::npos); + + fix_writable_flags (); } Source::~Source () { - notify_callbacks (); + DEBUG_TRACE (DEBUG::Destruction, string_compose ("Source %1 destructor %2\n", _name, this)); +} + +void +Source::fix_writable_flags () +{ + if (!_session.writable()) { + _flags = Flag (_flags & ~(Writable|Removable|RemovableIfEmpty|RemoveAtDestroy|CanRename)); + } } XMLNode& @@ -77,9 +97,10 @@ Source::get_state () XMLNode *node = new XMLNode ("Source"); char buf[64]; - node->add_property ("name", _name); + node->add_property ("name", name()); node->add_property ("type", _type.to_string()); - _id.print (buf); + node->add_property (X_("flags"), enum_2_string (_flags)); + id().print (buf, sizeof (buf)); node->add_property ("id", buf); if (_timestamp != 0) { @@ -91,7 +112,7 @@ Source::get_state () } int -Source::set_state (const XMLNode& node) +Source::set_state (const XMLNode& node, int version) { const XMLProperty* prop; @@ -100,10 +121,8 @@ Source::set_state (const XMLNode& node) } else { return -1; } - - if ((prop = node.property ("id")) != 0) { - _id = prop->value (); - } else { + + if (!set_id (node)) { return -1; } @@ -114,16 +133,179 @@ Source::set_state (const XMLNode& node) if ((prop = node.property ("timestamp")) != 0) { sscanf (prop->value().c_str(), "%ld", &_timestamp); } - assert(_name.find("/") == string::npos); + + if ((prop = node.property (X_("flags"))) != 0) { + _flags = Flag (string_2_enum (prop->value(), _flags)); + } else { + _flags = Flag (0); + + } + + /* old style, from the period when we had DestructiveFileSource */ + if ((prop = node.property (X_("destructive"))) != 0) { + _flags = Flag (_flags | Destructive); + } + + if (version < 3000) { + /* a source with an XML node must necessarily already exist, + and therefore cannot be removable/writable etc. etc.; 2.X + sometimes marks sources as removable which shouldn't be. + */ + if (!(_flags & Destructive)) { + _flags = Flag (_flags & ~(Writable|Removable|RemovableIfEmpty|RemoveAtDestroy|CanRename)); + } + } + + return 0; +} + +bool +Source::has_been_analysed() const +{ + Glib::Mutex::Lock lm (_analysis_lock); + return _analysed; +} + +void +Source::set_been_analysed (bool yn) +{ + { + Glib::Mutex::Lock lm (_analysis_lock); + _analysed = yn; + } + + if (yn) { + load_transients (get_transients_path()); + AnalysisChanged(); // EMIT SIGNAL + } +} + +int +Source::load_transients (const string& path) +{ + ifstream file (path.c_str()); + + if (!file) { + return -1; + } + + transients.clear (); + + stringstream strstr; + double val; + + while (file.good()) { + file >> val; + + if (!file.fail()) { + framepos_t frame = (framepos_t) floor (val * _session.frame_rate()); + transients.push_back (frame); + } + } return 0; } +string +Source::get_transients_path () const +{ + vector parts; + string s; + + /* old sessions may not have the analysis directory */ + + _session.ensure_subdirs (); + + s = _session.analysis_dir (); + parts.push_back (s); + + s = id().to_s(); + s += '.'; + s += TransientDetector::operational_identifier(); + parts.push_back (s); + + return Glib::build_filename (parts); +} + +bool +Source::check_for_analysis_data_on_disk () +{ + /* looks to see if the analysis files for this source are on disk. + if so, mark us already analysed. + */ + + string path = get_transients_path (); + bool ok = true; + + if (!Glib::file_test (path, Glib::FILE_TEST_EXISTS)) { + ok = false; + } + + // XXX add other tests here as appropriate + + set_been_analysed (ok); + return ok; +} + +void +Source::mark_for_remove () +{ + // This operation is not allowed for sources for destructive tracks or out-of-session files. + + /* XXX need a way to detect _within_session() condition here - move it from FileSource? + */ + + if ((_flags & Destructive)) { + return; + } + + _flags = Flag (_flags | Removable | RemoveAtDestroy); +} + void -Source::update_length (jack_nframes_t pos, jack_nframes_t cnt) +Source::set_timeline_position (int64_t pos) { - if (pos + cnt > _length) { - _length = pos+cnt; + _timeline_position = pos; +} + +void +Source::set_allow_remove_if_empty (bool yn) +{ + if (!writable()) { + return; } + + if (yn) { + _flags = Flag (_flags | RemovableIfEmpty); + } else { + _flags = Flag (_flags & ~RemovableIfEmpty); + } +} + +void +Source::inc_use_count () +{ + g_atomic_int_inc (&_use_count); +} + +void +Source::dec_use_count () +{ +#ifndef NDEBUG + gint oldval = g_atomic_int_exchange_and_add (&_use_count, -1); + if (oldval <= 0) { + cerr << "Bad use dec for " << name() << endl; + abort (); + } + assert (oldval > 0); +#else + g_atomic_int_exchange_and_add (&_use_count, -1); +#endif +} + +bool +Source::writable () const +{ + return (_flags & Writable) && _session.writable(); }