use XML state to store processors in mixer (strips) and fixup crash caused by missing...

[ardour.git] / libs / ardour / ardour / sndfilesource.h

diff --git a/libs/ardour/ardour/sndfilesource.h b/libs/ardour/ardour/sndfilesource.h
index 37167e6a9af5bc6067eca07fda398d94b33a7ad0..916e9da49ec15f6b5d4ed7c8cecd705180b4dc90 100644 (file)
--- a/libs/ardour/ardour/sndfilesource.h
+++ b/libs/ardour/ardour/sndfilesource.h
@@ -15,7 +15,6 @@
     along with this program; if not, write to the Free Software
     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 
-    $Id$
 */
 
 #ifndef __sndfile_source_h__ 
@@ -23,32 +22,92 @@
 
 #include <sndfile.h>
 
-#include <ardour/externalsource.h>
+#include <ardour/audiofilesource.h>
 
 namespace ARDOUR {
 
-class SndFileSource : public ExternalSource {
+class SndFileSource : public AudioFileSource {
   public:
-       SndFileSource (const string& path_plus_channel, bool build_peak = true);
-       SndFileSource (const XMLNode&);
+       /* constructor to be called for existing external-to-session files */
+
+        SndFileSource (Session&, Glib::ustring path, int chn, Flag flags);
+
+       /* constructor to be called for new in-session files */
+
+       SndFileSource (Session&, Glib::ustring path, SampleFormat samp_format, HeaderFormat hdr_format, nframes_t rate, 
+                      Flag flags = SndFileSource::default_writable_flags);
+                      
+       /* constructor to be called for existing in-session files */
+       
+       SndFileSource (Session&, const XMLNode&);
+
        ~SndFileSource ();
 
-    jack_nframes_t length() const { return _info.frames; } 
+       float sample_rate () const;
+       int update_header (nframes_t when, struct tm&, time_t);
+       int flush_header ();
+
+       nframes_t natural_position () const;
+
+       nframes_t last_capture_start_frame() const;
+       void mark_capture_start (nframes_t);
+       void mark_capture_end ();
+       void clear_capture_marks();
+
+       bool set_destructive (bool yn);
+
+       bool one_of_several_channels () const;
+
+       static void setup_standard_crossfades (nframes_t sample_rate);
+       static const AudioFileSource::Flag default_writable_flags;
 
-       jack_nframes_t read (Sample *dst, jack_nframes_t start, jack_nframes_t cnt, char * workbuf) const;
+       static int get_soundfile_info (const Glib::ustring& path, SoundFileInfo& _info, string& error_msg);
+
+  protected:
+       void set_header_timeline_position ();
+
+       nframes_t read_unlocked (Sample *dst, nframes_t start, nframes_t cnt) const;
+       nframes_t write_unlocked (Sample *dst, nframes_t cnt);
+
+       nframes_t write_float (Sample* data, nframes_t pos, nframes_t cnt);
 
   private:
        SNDFILE *sf;
        SF_INFO _info;
+       SF_BROADCAST_INFO *_broadcast_info;
+
+       mutable float *interleave_buf;
+       mutable nframes_t interleave_bufsize;
+
+       void init ();
+       int open();
+       void close();
+       int setup_broadcast_info (nframes_t when, struct tm&, time_t);
+
+       /* destructive */
+
+       static nframes_t xfade_frames;
+       static gain_t* out_coefficient;
+       static gain_t* in_coefficient;
+
+       bool          _capture_start;
+       bool          _capture_end;
+       nframes_t      capture_start_frame;
+       nframes_t      file_pos; // unit is frames
+       nframes_t      xfade_out_count;
+       nframes_t      xfade_in_count;
+       Sample*        xfade_buf;
 
-       mutable float *tmpbuf;
-       mutable jack_nframes_t tmpbufsize;
-       mutable PBD::Lock _tmpbuf_lock;
+       nframes_t crossfade (Sample* data, nframes_t cnt, int dir);
+       void set_timeline_position (int64_t);
+       nframes_t destructive_write_unlocked (Sample *dst, nframes_t cnt);
+       nframes_t nondestructive_write_unlocked (Sample *dst, nframes_t cnt);
+       void handle_header_position_change ();
 
-       void init (const string &str, bool build_peak);
+       static int64_t get_timecode_info (SNDFILE* sf, SF_BROADCAST_INFO* binfo, bool& exists);
 };
 
-}; /* namespace ARDOUR */
+} // namespace ARDOUR
 
 #endif /* __sndfile_source_h__ */