ardour/livetrax
13
0
Fork 0
Code

add new static functions to get SR and disk sample format from session XML

Browse Source
This commit is contained in:
Paul Davis 2013-09-23 21:35:51 -04:00
parent cff174b541
commit 4209e8a834
2 changed files with 60 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
libs/ardour/ardour/session.h
View File

@ -161,6 +161,8 @@ class Session : public PBD::StatefulDestructible, public PBD::ScopedConnectionLi
virtual ~Session ();
static int get_info_from_path (const std::string& xmlpath, float& sample_rate, SampleFormat& data_format);
std::string path() const { return _path; }
std::string name() const { return _name; }
std::string snap_name() const { return _current_snapshot_name; }
@ -1618,6 +1620,8 @@ class Session : public PBD::StatefulDestructible, public PBD::ScopedConnectionLi
void setup_ltc ();
void setup_click ();
void setup_bundles ();
static int get_session_info_from_path (XMLTree& state_tree, const std::string& xmlpath);
};
} // namespace ARDOUR

56
libs/ardour/session_state.cc
View File

@ -3743,3 +3743,59 @@ Session::rename (const std::string& new_name)
#undef RENAME
}
int
Session::get_session_info_from_path (XMLTree& tree, const string& xmlpath)
{
if (!Glib::file_test (xmlpath, Glib::FILE_TEST_EXISTS)) {
return -1;
}
if (!tree.read (xmlpath)) {
return -1;
}
return 0;
}
int
Session::get_info_from_path (const string& xmlpath, float& sample_rate, SampleFormat& data_format)
{
XMLTree tree;
bool found_sr = false;
bool found_data_format = false;
if (get_session_info_from_path (tree, xmlpath)) {
return -1;
}
/* sample rate */
const XMLProperty* prop;
if ((prop = tree.root()->property (X_("sample-rate"))) != 0) {
sample_rate = atoi (prop->value());
found_sr = true;
}
const XMLNodeList& children (tree.root()->children());
for (XMLNodeList::const_iterator c = children.begin(); c != children.end(); ++c) {
const XMLNode* child = *c;
if (child->name() == "Config") {
const XMLNodeList& options (child->children());
for (XMLNodeList::const_iterator oc = options.begin(); oc != options.end(); ++oc) {
const XMLNode* option = *oc;
if (option->property("name")->value() == "native-file-data-format") {
SampleFormat fmt = (SampleFormat) string_2_enum (option->property ("value")->value(), fmt);
data_format = fmt;
found_data_format = true;
break;
}
}
}
if (found_data_format) {
break;
}
}
return !(found_sr && found_data_format); // zero if they are both found
}