start code reorganization needed to deal with backend choices. compiles, links and...

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

diff --git a/libs/ardour/ardour/audio_diskstream.h b/libs/ardour/ardour/audio_diskstream.h
index e37963a07a0addffcef43586ea158c183852a918..21efc5c20c7ac4421fe1fc6b2236888347b6f3a1 100644 (file)
--- a/libs/ardour/ardour/audio_diskstream.h
+++ b/libs/ardour/ardour/audio_diskstream.h
@@ -77,18 +77,6 @@ class AudioDiskstream : public Diskstream
        int set_non_layered (bool yn);
        bool can_become_destructive (bool& requires_bounce) const;
 
-       float peak_power(uint32_t n = 0) {
-               boost::shared_ptr<ChannelList> c = channels.reader();
-               ChannelInfo* chaninfo = (*c)[n];
-               float x = chaninfo->peak_power;
-               chaninfo->peak_power = 0.0f;
-               if (x > 0.0f) {
-                       return 20.0f * fast_log10(x);
-               } else {
-                       return minus_infinity();
-               }
-       }
-
        boost::shared_ptr<AudioPlaylist> audio_playlist () { return boost::dynamic_pointer_cast<AudioPlaylist>(_playlist); }
 
        int use_playlist (boost::shared_ptr<Playlist>);
@@ -126,7 +114,7 @@ class AudioDiskstream : public Diskstream
        XMLNode& get_state(void);
        int      set_state(const XMLNode& node, int version);
 
-       void monitor_input (bool);
+       void request_input_monitoring (bool);
 
        static void swap_by_ptr (Sample *first, Sample *last) {
                while (first < last) {
@@ -136,14 +124,6 @@ class AudioDiskstream : public Diskstream
                }
        }
 
-       static void swap_by_ptr (Sample *first, Sample *last, framecnt_t n) {
-               while (n--) {
-                       Sample tmp = *first;
-                       *first++ = *last;
-                       *last-- = tmp;
-               }
-       }
-
        CubicInterpolation interpolation;
 
   protected:
@@ -171,17 +151,18 @@ class AudioDiskstream : public Diskstream
   protected:
        friend class AudioTrack;
 
-       int  process (framepos_t transport_frame, pframes_t nframes, bool can_record, bool rec_monitors_input, bool& need_butler);
-       bool commit  (framecnt_t nframes);
+        int  process (BufferSet&, framepos_t transport_frame, pframes_t nframes, framecnt_t &, bool need_disk_signal);
+       bool commit  (framecnt_t);
 
   private:
        struct ChannelSource {
                std::string name;
 
                bool is_physical () const;
-               void ensure_monitor_input (bool) const;
+               void request_input_monitoring (bool) const;
        };
 
+       /** Information about one of our channels */
        struct ChannelInfo : public boost::noncopyable {
 
                ChannelInfo (framecnt_t playback_buffer_size,
@@ -194,17 +175,17 @@ class AudioDiskstream : public Diskstream
                Sample     *capture_wrap_buffer;
                Sample     *speed_buffer;
 
-               float       peak_power;
-
                boost::shared_ptr<AudioFileSource> write_source;
 
-               /// information the Port that our audio data comes from
-
+               /** Information about the Port that our audio data comes from */
                ChannelSource source;
 
                Sample       *current_capture_buffer;
                Sample       *current_playback_buffer;
 
+               /** A ringbuffer for data to be played back, written to in the
+                   butler thread, read from in the process thread.
+               */
                PBD::RingBufferNPT<Sample> *playback_buf;
                PBD::RingBufferNPT<Sample> *capture_buf;
 
@@ -225,8 +206,6 @@ class AudioDiskstream : public Diskstream
 
        typedef std::vector<ChannelInfo*> ChannelList;
 
-       void process_varispeed_playback (pframes_t nframes, boost::shared_ptr<ChannelList> c);
-
        /* The two central butler operations */
        int do_flush (RunContext context, bool force = false);
        int do_refill () { return _do_refill(_mixdown_buffer, _gain_buffer); }
@@ -235,9 +214,9 @@ class AudioDiskstream : public Diskstream
 
        int read (Sample* buf, Sample* mixdown_buffer, float* gain_buffer,
                  framepos_t& start, framecnt_t cnt,
-                 ChannelInfo* channel_info, int channel, bool reversed);
+                 int channel, bool reversed);
 
-       void finish_capture (bool rec_monitors_input, boost::shared_ptr<ChannelList>);
+       void finish_capture (boost::shared_ptr<ChannelList>);
        void transport_stopped_wallclock (struct tm&, time_t, bool abort);
        void transport_looped (framepos_t transport_frame);
 
@@ -263,9 +242,9 @@ class AudioDiskstream : public Diskstream
        void adjust_playback_buffering ();
        void adjust_capture_buffering ();
 
-       void engage_record_enable ();
-       void disengage_record_enable ();
-
+        bool prep_record_enable ();
+       bool prep_record_disable ();
+    
        // Working buffers for do_refill (butler thread)
        static void allocate_working_buffers();
        static void free_working_buffers();