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midway snapshot of work done on managing Region & Source lifetimes correctly. may fix missing MIDI file bug ; save empty playlists because they may be referred to by the history file ; undo commands auto-delete when objects they refer to die (currently not commands built from XML deserialization); Sources now know how many regions are using them for something, meaning that we know if we can delete the files holding any data for the source

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git-svn-id: svn://localhost/ardour2/branches/3.0@7291 d708f5d6-7413-0410-9779-e7cbd77b26cf
This commit is contained in:
Paul Davis 2010-06-23 20:14:07 +00:00
parent cac03dbeb6
commit f4401c5928
36 changed files with 310 additions and 220 deletions
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10
libs/evoral/src/SMF.cpp
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@ -275,6 +275,16 @@ SMF::begin_write()
void
SMF::end_write() THROW_FILE_ERROR
{
#if 0
/* don't create empty MIDI files
*/
smf_rewind (_smf); // smf_save() would have done this anyway
if (smf_peek_next_event (_smf) == 0) {
return;
}
#endif
PBD::StdioFileDescriptor d (_file_path, "w+");
FILE* f = d.allocate ();
if (f == 0) {