provide support for playhead-to-next/previous-region-boundary actions, and bindings...
[ardour.git] / libs / ardour / audiofilesource.cc
index 717ac91e3b66eac365d012448ec394f298fdadea..73629368267bafcc59cf6e84e3a86343466286ea 100644 (file)
 
 #include <sys/time.h>
 #include <sys/stat.h>
+#include <stdio.h> // for rename(), sigh
 #include <unistd.h>
 #include <fcntl.h>
 #include <errno.h>
 
+#include <pbd/convert.h>
+#include <pbd/basename.h>
 #include <pbd/mountpoint.h>
 #include <pbd/pathscanner.h>
 #include <pbd/stl_delete.h>
 #include <pbd/strsplit.h>
+#include <pbd/shortpath.h>
 #include <pbd/enumwriter.h>
 
 #include <sndfile.h>
 
 #include <glibmm/miscutils.h>
+#include <glibmm/fileutils.h>
 
 #include <ardour/audiofilesource.h>
 #include <ardour/sndfile_helpers.h>
@@ -91,15 +96,17 @@ AudioFileSource::AudioFileSource (Session& s, ustring path, Flag flags, SampleFo
 
 AudioFileSource::AudioFileSource (Session& s, const XMLNode& node, bool must_exist)
        : AudioSource (s, node), _flags (Flag (Writable|CanRename))
-          /* _channel is set in set_state() */
+          /* _channel is set in set_state() or init() */
 {
        /* constructor used for existing internal-to-session files. file must exist */
 
        if (set_state (node)) {
                throw failed_constructor ();
        }
+
+       string foo = _name;
        
-       if (init (_name, must_exist)) {
+       if (init (foo, must_exist)) {
                throw failed_constructor ();
        }
 }
@@ -134,7 +141,7 @@ AudioFileSource::init (ustring pathstr, bool must_exist)
        _peaks_built = false;
        file_is_new = false;
 
-       if (!find (pathstr, must_exist, is_new)) {
+       if (!find (pathstr, must_exist, is_new, _channel)) {
                throw non_existent_source ();
        }
 
@@ -149,7 +156,66 @@ AudioFileSource::init (ustring pathstr, bool must_exist)
 ustring
 AudioFileSource::peak_path (ustring audio_path)
 {
-       return _session.peak_path_from_audio_path (audio_path);
+       ustring base;
+
+       base = PBD::basename_nosuffix (audio_path);
+       base += '%';
+       base += (char) ('A' + _channel);
+
+       return _session.peak_path (base);
+}
+
+ustring
+AudioFileSource::find_broken_peakfile (ustring peak_path, ustring audio_path)
+{
+       ustring str;
+
+       /* check for the broken location in use by 2.0 for several months */
+       
+       str = broken_peak_path (audio_path);
+       
+       if (Glib::file_test (str, Glib::FILE_TEST_EXISTS)) {
+               
+               if (is_embedded()) {
+                       
+                       /* it would be nice to rename it but the nature of 
+                          the bug means that we can't reliably use it.
+                       */
+                       
+                       peak_path = str;
+                       
+               } else {
+                       /* all native files are mono, so we can just rename
+                          it.
+                       */
+                       ::rename (str.c_str(), peak_path.c_str());
+               }
+               
+       } else {
+               /* Nasty band-aid for older sessions that were created before we
+                  used libsndfile for all audio files.
+               */
+               
+               
+               str = old_peak_path (audio_path);       
+               if (Glib::file_test (str, Glib::FILE_TEST_EXISTS)) {
+                       peak_path = str;
+               }
+       }
+
+       return peak_path;
+}
+
+ustring
+AudioFileSource::broken_peak_path (ustring audio_path)
+{
+       ustring res;
+
+       res = _session.peak_dir ();
+       res += PBD::basename_nosuffix (audio_path);
+       res += ".peak";
+
+       return res;
 }
 
 ustring
@@ -244,7 +310,10 @@ AudioFileSource::set_state (const XMLNode& node)
 void
 AudioFileSource::mark_for_remove ()
 {
-       if (!writable()) {
+       // This operation is not allowed for sources for destructive tracks or embedded files.
+       // Fortunately mark_for_remove() is never called for embedded files. This function
+       // must be fixed if that ever happens.
+       if (_flags & Destructive) {
                return;
        }
 
@@ -258,8 +327,12 @@ AudioFileSource::mark_streaming_write_completed ()
                return;
        }
 
-       Glib::Mutex::Lock lm (_lock);
+       /* XXX notice that we're readers of _peaks_built
+          but we must hold a solid lock on PeaksReady.
+       */
 
+       Glib::Mutex::Lock lm (_lock);
+       
        if (_peaks_built) {
                PeaksReady (); /* EMIT SIGNAL */
        }
@@ -359,19 +432,13 @@ AudioFileSource::move_to_trash (const ustring& trash_dir_name)
 }
 
 bool
-AudioFileSource::find (ustring& pathstr, bool must_exist, bool& isnew)
+AudioFileSource::find (ustring& pathstr, bool must_exist, bool& isnew, uint16_t& chan)
 {
        ustring::size_type pos;
        bool ret = false;
 
        isnew = false;
 
-       /* clean up PATH:CHANNEL notation so that we are looking for the correct path */
-
-       if ((pos = pathstr.find_last_of (':')) != ustring::npos) {
-               pathstr = pathstr.substr (0, pos);
-       }
-
        if (pathstr[0] != '/') {
 
                /* non-absolute pathname: find pathstr in search path */
@@ -396,12 +463,60 @@ AudioFileSource::find (ustring& pathstr, bool must_exist, bool& isnew)
                        if (fullpath[fullpath.length()-1] != '/') {
                                fullpath += '/';
                        }
+
                        fullpath += pathstr;
+
+                       /* i (paul) made a nasty design error by using ':' as a special character in
+                          Ardour 0.99 .. this hack tries to make things sort of work.
+                       */
                        
-                       if (access (fullpath.c_str(), R_OK) == 0) {
-                               keeppath = fullpath;
-                               ++cnt;
-                       } 
+                       if ((pos = pathstr.find_last_of (':')) != ustring::npos) {
+                               
+                               if (Glib::file_test (fullpath, Glib::FILE_TEST_EXISTS|Glib::FILE_TEST_IS_REGULAR)) {
+
+                                       /* its a real file, no problem */
+                                       
+                                       keeppath = fullpath;
+                                       ++cnt;
+
+                               } else {
+                                       
+                                       if (must_exist) {
+                                               
+                                               /* might be an older session using file:channel syntax. see if the version
+                                                  without the :suffix exists
+                                                */
+                                               
+                                               ustring shorter = pathstr.substr (0, pos);
+                                               fullpath = *i;
+
+                                               if (fullpath[fullpath.length()-1] != '/') {
+                                                       fullpath += '/';
+                                               }
+
+                                               fullpath += shorter;
+
+                                               if (Glib::file_test (pathstr, Glib::FILE_TEST_EXISTS|Glib::FILE_TEST_IS_REGULAR)) {
+                                                       chan = atoi (pathstr.substr (pos+1));
+                                                       pathstr = shorter;
+                                                       keeppath = fullpath;
+                                                       ++cnt;
+                                               } 
+                                               
+                                       } else {
+                                               
+                                               /* new derived file (e.g. for timefx) being created in a newer session */
+                                               
+                                       }
+                               }
+
+                       } else {
+
+                               if (Glib::file_test (fullpath, Glib::FILE_TEST_EXISTS|Glib::FILE_TEST_IS_REGULAR)) {
+                                       keeppath = fullpath;
+                                       ++cnt;
+                               } 
+                       }
                }
 
                if (cnt > 1) {
@@ -418,7 +533,7 @@ AudioFileSource::find (ustring& pathstr, bool must_exist, bool& isnew)
                                isnew = true;
                        }
                }
-               
+
                _name = pathstr;
                _path = keeppath;
                ret = true;
@@ -426,18 +541,31 @@ AudioFileSource::find (ustring& pathstr, bool must_exist, bool& isnew)
        } else {
                
                /* external files and/or very very old style sessions include full paths */
+
+               /* ugh, handle ':' situation */
+
+               if ((pos = pathstr.find_last_of (':')) != ustring::npos) {
+                       
+                       ustring shorter = pathstr.substr (0, pos);
+
+                       if (Glib::file_test (shorter, Glib::FILE_TEST_EXISTS|Glib::FILE_TEST_IS_REGULAR)) {
+                               chan = atoi (pathstr.substr (pos+1));
+                               pathstr = shorter;
+                       }
+               }
                
                _path = pathstr;
+
                if (is_embedded()) {
                        _name = pathstr;
                } else {
                        _name = pathstr.substr (pathstr.find_last_of ('/') + 1);
                }
-               
-               if (access (_path.c_str(), R_OK) != 0) {
 
-                       /* file does not exist or we cannot read it */
+               if (!Glib::file_test (pathstr, Glib::FILE_TEST_EXISTS|Glib::FILE_TEST_IS_REGULAR)) {
 
+                       /* file does not exist or we cannot read it */
+                       
                        if (must_exist) {
                                error << string_compose(_("Filesource: cannot find required file (%1): %2"), _path, strerror (errno)) << endmsg;
                                goto out;
@@ -458,6 +586,7 @@ AudioFileSource::find (ustring& pathstr, bool must_exist, bool& isnew)
                        /* already exists */
 
                        ret = true;
+
                }
        }
        
@@ -530,14 +659,15 @@ AudioFileSource::set_name (ustring newname, bool destructive)
 bool
 AudioFileSource::is_empty (Session& s, ustring path)
 {
-       bool ret = false;
-       boost::shared_ptr<AudioFileSource> afs = boost::dynamic_pointer_cast<AudioFileSource> (SourceFactory::createReadable (s, path, 0, NoPeakFile, false));
-
-       if (afs) {
-               ret = (afs->length() == 0);
+       SoundFileInfo info;
+       string err;
+       
+       if (!get_soundfile_info (path, info, err)) {
+               /* dangerous: we can't get info, so assume that its not empty */
+               return false; 
        }
 
-       return ret;
+       return info.length == 0;
 }
 
 int
@@ -565,6 +695,9 @@ AudioFileSource::safe_file_extension(ustring file)
                file.rfind(".maud")== ustring::npos &&
                file.rfind(".vwe") == ustring::npos &&
                file.rfind(".paf") == ustring::npos &&
+#ifdef HAVE_FLAC
+               file.rfind(".flac")== ustring::npos &&
+#endif // HAVE_FLAC
 #ifdef HAVE_COREAUDIO
                file.rfind(".mp3") == ustring::npos &&
                file.rfind(".aac") == ustring::npos &&