Move playback_distance up to AudioDiskstream from Diskstream since it is only used...

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

diff --git a/libs/ardour/ardour/audio_port.h b/libs/ardour/ardour/audio_port.h
index 339165da0f71471c96e54ff4f267e0da36ebab0e..748ef8263baf8c3a8c1ad49f84c1cffcc23c5b65 100644 (file)
--- a/libs/ardour/ardour/audio_port.h
+++ b/libs/ardour/ardour/audio_port.h
@@ -1,5 +1,5 @@
 /*
-    Copyright (C) 2002-2009 Paul Davis 
+    Copyright (C) 2002-2009 Paul Davis
 
     This program is free software; you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
@@ -21,44 +21,53 @@
 #ifndef __ardour_audio_port_h__
 #define __ardour_audio_port_h__
 
-#include <ardour/port.h>
-#include <ardour/audio_buffer.h>
+#include "ardour/port.h"
+#include "ardour/audio_buffer.h"
 
 namespace ARDOUR {
 
-class AudioPort : public Port 
+class AudioPort : public Port
 {
    public:
-       ~AudioPort();
+       ~AudioPort ();
 
        DataType type () const {
                return DataType::AUDIO;
        }
-       
-       void cycle_start (nframes_t, nframes_t);
-       void cycle_end (nframes_t, nframes_t);
 
-       Buffer& get_buffer (nframes_t nframes, nframes_t offset) {
+       void cycle_start (pframes_t);
+       void cycle_end (pframes_t);
+       void cycle_split ();
+
+       size_t raw_buffer_size (pframes_t nframes) const;
+
+       Buffer& get_buffer (framecnt_t nframes, framecnt_t offset = 0) {
                return get_audio_buffer (nframes, offset);
        }
-       
-       AudioBuffer& get_audio_buffer (nframes_t, nframes_t);
 
-       void reset ();
+       AudioBuffer& get_audio_buffer (framecnt_t nframes, framecnt_t offset = 0);
 
+       static framecnt_t port_offset() { return _port_offset; }
+
+       static void set_port_offset (framecnt_t off) {
+               _port_offset = off;
+       }
+       
+       static void increment_port_offset (framecnt_t n) {
+               _port_offset += n;
+       }
+       
   protected:
        friend class AudioEngine;
 
-       AudioPort (std::string const &, Flags, bool, nframes_t);
-  
-  private:
-       void mixdown (nframes_t, nframes_t, bool);
+       AudioPort (std::string const &, Flags);
 
-       bool _has_been_mixed_down;
+  private:
        AudioBuffer* _buffer;
-       bool _own_buffer;
+
+       static framecnt_t _port_offset;
 };
- 
+
 } // namespace ARDOUR
 
 #endif /* __ardour_audio_port_h__ */