improve AU Latency PropertyChange Events

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

diff --git a/libs/ardour/ardour/audioregion.h b/libs/ardour/ardour/audioregion.h
index 4213dc1a6c760927852f3f6e1491133e84975833..c3003e587bba29b9dbaaaa7e0d5c843da0af12fe 100644 (file)
--- a/libs/ardour/ardour/audioregion.h
+++ b/libs/ardour/ardour/audioregion.h
@@ -40,21 +40,17 @@ class PlaylistReadTest;
 namespace ARDOUR {
 
 namespace Properties {
-       extern PBD::PropertyDescriptor<bool> envelope_active;
-       extern PBD::PropertyDescriptor<bool> default_fade_in;
-       extern PBD::PropertyDescriptor<bool> default_fade_out;
-       extern PBD::PropertyDescriptor<bool> fade_in_active;
-       extern PBD::PropertyDescriptor<bool> fade_out_active;
-       extern PBD::PropertyDescriptor<float> scale_amplitude;
-       extern PBD::PropertyDescriptor<bool> fade_out_is_xfade;
-       extern PBD::PropertyDescriptor<bool> fade_out_is_short;
-       extern PBD::PropertyDescriptor<bool> fade_in_is_xfade;
-       extern PBD::PropertyDescriptor<bool> fade_in_is_short;
-       extern PBD::PropertyDescriptor<boost::shared_ptr<AutomationList> > fade_in;
-       extern PBD::PropertyDescriptor<boost::shared_ptr<AutomationList> > inverse_fade_in;
-       extern PBD::PropertyDescriptor<boost::shared_ptr<AutomationList> > fade_out;
-       extern PBD::PropertyDescriptor<boost::shared_ptr<AutomationList> > inverse_fade_out;
-       extern PBD::PropertyDescriptor<boost::shared_ptr<AutomationList> > envelope;
+       LIBARDOUR_API extern PBD::PropertyDescriptor<bool> envelope_active;
+       LIBARDOUR_API extern PBD::PropertyDescriptor<bool> default_fade_in;
+       LIBARDOUR_API extern PBD::PropertyDescriptor<bool> default_fade_out;
+       LIBARDOUR_API extern PBD::PropertyDescriptor<bool> fade_in_active;
+       LIBARDOUR_API extern PBD::PropertyDescriptor<bool> fade_out_active;
+       LIBARDOUR_API extern PBD::PropertyDescriptor<float> scale_amplitude;
+       LIBARDOUR_API extern PBD::PropertyDescriptor<boost::shared_ptr<AutomationList> > fade_in;
+       LIBARDOUR_API extern PBD::PropertyDescriptor<boost::shared_ptr<AutomationList> > inverse_fade_in;
+       LIBARDOUR_API extern PBD::PropertyDescriptor<boost::shared_ptr<AutomationList> > fade_out;
+       LIBARDOUR_API extern PBD::PropertyDescriptor<boost::shared_ptr<AutomationList> > inverse_fade_out;
+       LIBARDOUR_API extern PBD::PropertyDescriptor<boost::shared_ptr<AutomationList> > envelope;
 }
 
 class Playlist;
@@ -63,7 +59,7 @@ class Filter;
 class AudioSource;
 
 
-class AudioRegion : public Region
+class LIBARDOUR_API AudioRegion : public Region
 {
   public:
        static void make_property_quarks ();
@@ -78,6 +74,10 @@ class AudioRegion : public Region
 
        boost::shared_ptr<AudioSource> audio_source (uint32_t n=0) const;
 
+    // if several audio files associated with a region,
+    // information about file with MAX channel count will be provided
+    uint32_t get_related_audio_file_channel_count () const;
+
        void   set_scale_amplitude (gain_t);
        gain_t scale_amplitude() const { return _scale_amplitude; }
 
@@ -88,16 +88,6 @@ class AudioRegion : public Region
        bool fade_in_active ()  const { return _fade_in_active; }
        bool fade_out_active () const { return _fade_out_active; }
 
-       bool fade_in_is_xfade() const { return _fade_in_is_xfade; }
-       void set_fade_in_is_xfade (bool yn);
-       bool fade_out_is_xfade() const { return _fade_out_is_xfade; }
-       void set_fade_out_is_xfade (bool yn);
-
-       bool fade_in_is_short() const { return _fade_in_is_short; }
-       void set_fade_in_is_short (bool yn);
-       bool fade_out_is_short() const { return _fade_out_is_short; }
-       void set_fade_out_is_short (bool yn);
-
        boost::shared_ptr<AutomationList> fade_in()  { return _fade_in.val (); }
        boost::shared_ptr<AutomationList> inverse_fade_in()  { return _inverse_fade_in.val (); }
        boost::shared_ptr<AutomationList> fade_out() { return _fade_out.val (); }
@@ -108,7 +98,7 @@ class AudioRegion : public Region
 
        virtual framecnt_t read_peaks (PeakData *buf, framecnt_t npeaks,
                        framecnt_t offset, framecnt_t cnt,
-                       uint32_t chan_n=0, double samples_per_unit= 1.0) const;
+                       uint32_t chan_n=0, double frames_per_pixel = 1.0) const;
 
        /* Readable interface */
 
@@ -126,9 +116,11 @@ class AudioRegion : public Region
        virtual framecnt_t read_raw_internal (Sample*, framepos_t, framecnt_t, int channel) const;
 
        XMLNode& state ();
+       XMLNode& get_basic_state ();
        int set_state (const XMLNode&, int version);
 
-       static void set_default_fade (float steepness, framecnt_t len);
+       void fade_range (framepos_t, framepos_t);
+
        bool fade_in_is_default () const;
        bool fade_out_is_default () const;
 
@@ -148,7 +140,7 @@ class AudioRegion : public Region
        void set_default_fade_out ();
 
        framecnt_t verify_xfade_bounds (framecnt_t, bool start);
-       
+
        void set_envelope_active (bool yn);
        void set_default_envelope ();
 
@@ -175,12 +167,12 @@ class AudioRegion : public Region
 
        void add_transient (framepos_t where);
        void remove_transient (framepos_t where);
-       int set_transients (AnalysisFeatureList&);
-       int get_transients (AnalysisFeatureList&, bool force_new = false);
-       int update_transient (framepos_t old_position, framepos_t new_position);
-       int adjust_transients (frameoffset_t delta);
+       void clear_transients ();
+       void set_onsets (AnalysisFeatureList&);
+       void get_transients (AnalysisFeatureList&);
+       void update_transient (framepos_t old_position, framepos_t new_position);
 
-       AudioIntervalResult find_silence (Sample, framecnt_t, InterThreadInfo&) const;
+       AudioIntervalResult find_silence (Sample, framecnt_t, framecnt_t, InterThreadInfo&) const;
 
   private:
        friend class RegionFactory;
@@ -188,14 +180,16 @@ class AudioRegion : public Region
        AudioRegion (boost::shared_ptr<AudioSource>);
        AudioRegion (const SourceList &);
        AudioRegion (boost::shared_ptr<const AudioRegion>);
-       AudioRegion (boost::shared_ptr<const AudioRegion>, frameoffset_t offset);
+       AudioRegion (boost::shared_ptr<const AudioRegion>, frameoffset_t offset, const int32_t sub_num);
        AudioRegion (boost::shared_ptr<const AudioRegion>, const SourceList&);
        AudioRegion (SourceList &);
 
   private:
        friend class ::AudioRegionReadTest;
        friend class ::PlaylistReadTest;
-       
+
+       void build_transients ();
+
        PBD::Property<bool>     _envelope_active;
        PBD::Property<bool>     _default_fade_in;
        PBD::Property<bool>     _default_fade_out;
@@ -203,10 +197,6 @@ class AudioRegion : public Region
        PBD::Property<bool>     _fade_out_active;
        /** linear gain to apply to the whole region */
        PBD::Property<gain_t>   _scale_amplitude;
-       PBD::Property<bool>     _fade_in_is_xfade;
-       PBD::Property<bool>     _fade_out_is_xfade;
-       PBD::Property<bool>     _fade_in_is_short;
-       PBD::Property<bool>     _fade_out_is_short;
 
        void register_properties ();
        void post_set (const PBD::PropertyChange&);
@@ -255,9 +245,9 @@ class AudioRegion : public Region
 /* access from C objects */
 
 extern "C" {
-       int    region_read_peaks_from_c   (void *arg, uint32_t npeaks, uint32_t start, uint32_t length, intptr_t data, uint32_t n_chan, double samples_per_unit);
-       uint32_t region_length_from_c (void *arg);
-       uint32_t sourcefile_length_from_c (void *arg, double);
+       LIBARDOUR_API int    region_read_peaks_from_c   (void *arg, uint32_t npeaks, uint32_t start, uint32_t length, intptr_t data, uint32_t n_chan, double samples_per_unit);
+       LIBARDOUR_API uint32_t region_length_from_c (void *arg);
+       LIBARDOUR_API uint32_t sourcefile_length_from_c (void *arg, double);
 }
 
 #endif /* __ardour_audio_region_h__ */