diff options
Diffstat (limited to 'muse2/muse/wave.cpp')
| -rw-r--r-- | muse2/muse/wave.cpp | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/muse2/muse/wave.cpp b/muse2/muse/wave.cpp index 0657bbe0..c2969f6d 100644 --- a/muse2/muse/wave.cpp +++ b/muse2/muse/wave.cpp @@ -42,6 +42,8 @@ #include "audio.h" ///#include "sig.h" #include "al/sig.h" +#include "part.h" +#include "track.h" //#define WAVE_DEBUG //#define WAVE_DEBUG_PRC @@ -393,11 +395,21 @@ QString SndFile::path() const return finfo->filePath(); } +QString SndFile::canonicalPath() const + { + return finfo->canonicalFilePath(); + } + QString SndFile::dirPath() const { return finfo->absolutePath(); } +QString SndFile::canonicalDirPath() const + { + return finfo->canonicalPath(); + } + QString SndFile::name() const { return finfo->fileName(); @@ -789,6 +801,58 @@ void SndFile::applyUndoFile(const QString& original, const QString& tmpfile, uns MusEGlobal::audio->msgIdle(false); } +//--------------------------------------------------------- +// checkCopyOnWrite +//--------------------------------------------------------- + +bool SndFile::checkCopyOnWrite() +{ + QString path_this = canonicalPath(); + if(path_this.isEmpty()) + return false; + + bool fwrite = finfo->isWritable(); + + // No exceptions: Even if this wave event is a clone, if it ain't writeable we gotta copy the wave. + if(!fwrite) + return true; + + // Count the number of non-clone part wave events (including possibly this one) using this file. + // Not much choice but to search all active wave events - the sndfile ref count is not the solution for this... + int use_count = 0; + WaveTrackList* wtl = MusEGlobal::song->waves(); + for(ciTrack it = wtl->begin(); it != wtl->end(); ++it) + { + PartList* pl = (*it)->parts(); + for(ciPart ip = pl->begin(); ip != pl->end(); ++ip) + { + EventList* el = ip->second->events(); + // We are looking for active independent non-clone parts + if(el->arefCount() > 1) + continue; + for(ciEvent ie = el->begin(); ie != el->end(); ++ie) + { + if(ie->second.type() != Wave) + continue; + const Event& ev = ie->second; + if(ev.empty()) + continue; + const SndFileR sf = ev.sndFile(); + QString path = sf.canonicalPath(); + if(path.isEmpty()) + continue; + if(path == path_this) + ++use_count; + // If more than one non-clone part wave event is using the file, signify that the caller should make a copy of it. + if(use_count > 1) + return true; + } + } + } + + return false; +} + // DELETETHIS 170 #if 0 //--------------------------------------------------------- |