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-rw-r--r--libs/canvas/canvas/debug.h1
-rw-r--r--libs/canvas/canvas/fwd.h7
-rw-r--r--libs/canvas/canvas/wave_view.h271
-rw-r--r--libs/canvas/canvas/wave_view_private.h365
4 files changed, 3 insertions, 641 deletions
diff --git a/libs/canvas/canvas/debug.h b/libs/canvas/canvas/debug.h
index ecf7eee46f..b0797531b0 100644
--- a/libs/canvas/canvas/debug.h
+++ b/libs/canvas/canvas/debug.h
@@ -33,7 +33,6 @@ namespace PBD {
LIBCANVAS_API extern DebugBits CanvasEvents;
LIBCANVAS_API extern DebugBits CanvasRender;
LIBCANVAS_API extern DebugBits CanvasEnterLeave;
- LIBCANVAS_API extern DebugBits WaveView;
}
}
diff --git a/libs/canvas/canvas/fwd.h b/libs/canvas/canvas/fwd.h
index 61cab3c9d2..bae8ef20fb 100644
--- a/libs/canvas/canvas/fwd.h
+++ b/libs/canvas/canvas/fwd.h
@@ -22,18 +22,17 @@
#define __canvas_canvas_fwd_h__
namespace ArdourCanvas {
- class WaveView;
class Line;
- class LineSet;
+ class LineSet;
class Rectangle;
- class Ruler;
+ class Ruler;
class Polygon;
class PolyLine;
class GtkCanvas;
class GtkCanvasViewport;
class Text;
class Curve;
- class ScrollGroup;
+ class ScrollGroup;
}
#endif /* __canvas_canvas_fwd_h__ */
diff --git a/libs/canvas/canvas/wave_view.h b/libs/canvas/canvas/wave_view.h
deleted file mode 100644
index 1767262151..0000000000
--- a/libs/canvas/canvas/wave_view.h
+++ /dev/null
@@ -1,271 +0,0 @@
-/*
- Copyright (C) 2011-2013 Paul Davis
- Copyright (C) 2017 Tim Mayberry
- Author: Carl Hetherington <cth@carlh.net>
-
- 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
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-
-*/
-
-#ifndef __CANVAS_WAVE_VIEW_H__
-#define __CANVAS_WAVE_VIEW_H__
-
-#include <boost/shared_ptr.hpp>
-#include <boost/scoped_ptr.hpp>
-
-#include "ardour/types.h"
-
-#include <glibmm/refptr.h>
-
-#include "canvas/visibility.h"
-#include "canvas/item.h"
-
-namespace ARDOUR {
- class AudioRegion;
-}
-
-namespace Gdk {
- class Pixbuf;
-}
-
-class WaveViewTest;
-
-namespace ArdourCanvas {
-
-class WaveViewCacheGroup;
-class WaveViewDrawRequest;
-class WaveViewDrawRequestQueue;
-class WaveViewImage;
-class WaveViewProperties;
-class WaveViewDrawingThread;
-
-class LIBCANVAS_API WaveView : public Item, public sigc::trackable
-{
-public:
- enum Shape { Normal, Rectified };
-
- std::string debug_name () const;
-
- /* Displays a single channel of waveform data for the given Region.
-
- x = 0 in the waveview corresponds to the first waveform datum taken
- from region->start() samples into the source data.
-
- x = N in the waveview corresponds to the (N * spp)'th sample
- measured from region->start() into the source data.
-
- when drawing, we will map the zeroth-pixel of the waveview
- into a window.
-
- The waveview itself contains a set of pre-rendered Cairo::ImageSurfaces
- that cache sections of the display. This is filled on-demand and
- never cleared until something explicitly marks the cache invalid
- (such as a change in samples_per_pixel, the log scaling, rectified or
- other view parameters).
- */
-
- WaveView (Canvas*, boost::shared_ptr<ARDOUR::AudioRegion>);
- WaveView (Item*, boost::shared_ptr<ARDOUR::AudioRegion>);
- ~WaveView ();
-
- virtual void prepare_for_render (Rect const& window_area) const;
-
- virtual void render (Rect const & area, Cairo::RefPtr<Cairo::Context>) const;
-
- void compute_bounding_box () const;
-
- void set_samples_per_pixel (double);
- void set_height (Distance);
- void set_channel (int);
- void set_region_start (ARDOUR::frameoffset_t);
-
- /** Change the first position drawn by @param pixels.
- * @param pixels must be positive. This is used by
- * AudioRegionViews in Ardour to avoid drawing the
- * first pixel of a waveform, and exists in case
- * there are uses for WaveView where we do not
- * want this behaviour.
- */
- void set_start_shift (double pixels);
-
- void set_fill_color (Gtkmm2ext::Color);
- void set_outline_color (Gtkmm2ext::Color);
-
- void region_resized ();
- void gain_changed ();
-
- void set_show_zero_line (bool);
- bool show_zero_line () const;
-
- void set_zero_color (Gtkmm2ext::Color);
- void set_clip_color (Gtkmm2ext::Color);
- void set_logscaled (bool);
-
- void set_gradient_depth (double);
- double gradient_depth () const;
-
- void set_shape (Shape);
-
- void set_always_get_image_in_thread (bool yn);
-
- /* currently missing because we don't need them (yet):
- * set_shape_independent();
- * set_logscaled_independent();
- */
-
- static void set_global_gradient_depth (double);
- static void set_global_logscaled (bool);
- static void set_global_shape (Shape);
- static void set_global_show_waveform_clipping (bool);
-
- static double global_gradient_depth () { return _global_gradient_depth; }
-
- static bool global_logscaled () { return _global_logscaled; }
-
- static Shape global_shape () { return _global_shape; }
-
- void set_amplitude_above_axis (double v);
-
- double amplitude_above_axis () const;
-
- static void set_clip_level (double dB);
- static PBD::Signal0<void> ClipLevelChanged;
-
- static void start_drawing_thread ();
- static void stop_drawing_thread ();
-
- static void set_image_cache_size (uint64_t);
-
-#ifdef CANVAS_COMPATIBILITY
- void*& property_gain_src () {
- return _foo_void;
- }
- void*& property_gain_function () {
- return _foo_void;
- }
-
-private:
- void* _foo_void;
-#endif
-
-private:
- friend class ::WaveViewTest;
- friend class WaveViewThreadClient;
- friend class WaveViewDrawingThread;
-
- boost::shared_ptr<ARDOUR::AudioRegion> _region;
-
- boost::scoped_ptr<WaveViewProperties> _props;
-
- mutable boost::shared_ptr<WaveViewImage> _image;
-
- mutable boost::shared_ptr<WaveViewCacheGroup> _cache_group;
-
- bool _shape_independent;
- bool _logscaled_independent;
- bool _gradient_depth_independent;
-
- /** Under almost conditions, this is going to return _region->length(),
- * but if region_start has been reset, then we need to use this modified
- * computation.
- */
- ARDOUR::framecnt_t region_length () const;
-
- /** Under almost conditions, this is going to return _region->start() +
- * _region->length(), but if region_start has been reset, then we need to use
- * this modified computation.
- */
- ARDOUR::framepos_t region_end () const;
-
- /**
- * _image stays non-null after the first time it is set
- */
- bool rendered () const { return _image.get(); }
-
- bool draw_image_in_gui_thread () const;
-
- /** If true, calls to render() will render a missing wave image in the GUI
- * thread. Generally set to false, but true after a call to set_height().
- */
- mutable bool _draw_image_in_gui_thread;
-
- /** If true, calls to render() will render a missing wave image in the GUI
- * thread. Set true for waveviews we expect to keep updating (e.g. while
- * recording)
- */
- bool _always_draw_image_in_gui_thread;
-
- void init();
-
- mutable boost::shared_ptr<WaveViewDrawRequest> current_request;
-
- PBD::ScopedConnectionList invalidation_connection;
-
- static double _global_gradient_depth;
- static bool _global_logscaled;
- static Shape _global_shape;
- static bool _global_show_waveform_clipping;
- static double _global_clip_level;
-
- static PBD::Signal0<void> VisualPropertiesChanged;
-
- void handle_visual_property_change ();
- void handle_clip_level_change ();
-
- struct LineTips {
- double top;
- double bot;
- double spread;
- bool clip_max;
- bool clip_min;
-
- LineTips () : top (0.0), bot (0.0), clip_max (false), clip_min (false) {}
- };
-
- static ArdourCanvas::Coord y_extent (double, Shape const, double const height);
-
- static void compute_tips (ARDOUR::PeakData const& peak, LineTips& tips, double const effective_height);
-
- static void draw_image (Cairo::RefPtr<Cairo::ImageSurface>&, ARDOUR::PeakData*, int n_peaks,
- boost::shared_ptr<WaveViewDrawRequest>);
- static void draw_absent_image (Cairo::RefPtr<Cairo::ImageSurface>&, ARDOUR::PeakData*, int);
-
- ARDOUR::framecnt_t optimal_image_width_samples () const;
-
- void set_image (boost::shared_ptr<WaveViewImage> img) const;
-
- // @return true if item area intersects with draw area
- bool get_item_and_draw_rect_in_window_coords (Rect const& canvas_rect, Rect& item_area,
- Rect& draw_rect) const;
-
- boost::shared_ptr<WaveViewDrawRequest> create_draw_request (WaveViewProperties const&) const;
-
- void queue_draw_request (boost::shared_ptr<WaveViewDrawRequest> const&) const;
-
- static void process_draw_request (boost::shared_ptr<WaveViewDrawRequest>);
-
- boost::shared_ptr<WaveViewCacheGroup> get_cache_group () const;
-
- /**
- * Notify the Cache that we are dropping our reference to the
- * CacheGroup so it can also do so if it is the only reference holder
- * of the cache group.
- */
- void reset_cache_group ();
-};
-
-} // namespace ArdourCanvas
-
-#endif // __CANVAS_WAVE_VIEW_H__
diff --git a/libs/canvas/canvas/wave_view_private.h b/libs/canvas/canvas/wave_view_private.h
deleted file mode 100644
index d870300998..0000000000
--- a/libs/canvas/canvas/wave_view_private.h
+++ /dev/null
@@ -1,365 +0,0 @@
-/*
- Copyright (C) 2017 Tim Mayberry
-
- 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
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-
-*/
-
-#ifndef __CANVAS_WAVE_VIEW_PRIVATE_H__
-#define __CANVAS_WAVE_VIEW_PRIVATE_H__
-
-#include <deque>
-
-#include "canvas/wave_view.h"
-
-namespace ARDOUR {
- class AudioRegion;
-}
-
-namespace ArdourCanvas {
-
-struct WaveViewProperties
-{
-public: // ctors
- WaveViewProperties (boost::shared_ptr<ARDOUR::AudioRegion> region);
-
- // WaveViewProperties (WaveViewProperties const& other) = default;
-
- // WaveViewProperties& operator=(WaveViewProperties const& other) = default;
-
-public: // member variables
-
- framepos_t region_start;
- framepos_t region_end;
- uint16_t channel;
- double height;
- double samples_per_pixel;
- double amplitude;
- double amplitude_above_axis;
- Gtkmm2ext::Color fill_color;
- Gtkmm2ext::Color outline_color;
- Gtkmm2ext::Color zero_color;
- Gtkmm2ext::Color clip_color;
- bool show_zero;
- bool logscaled;
- WaveView::Shape shape;
- double gradient_depth;
- double start_shift;
-
-private: // member variables
-
- framepos_t sample_start;
- framepos_t sample_end;
-
-public: // methods
-
- bool is_valid () const
- {
- return (sample_end != 0 && samples_per_pixel != 0);
- }
-
- void set_width_samples (ARDOUR::framecnt_t const width_samples)
- {
- assert (is_valid());
- assert (width_samples != 0);
- ARDOUR::framecnt_t half_width = width_samples / 2;
- framepos_t new_sample_start = std::max (region_start, get_center_sample () - half_width);
- framepos_t new_sample_end = std::min (get_center_sample () + half_width, region_end);
- assert (new_sample_start <= new_sample_end);
- sample_start = new_sample_start;
- sample_end = new_sample_end;
- }
-
- uint64_t get_width_pixels () const
- {
- return (uint64_t)std::max (1LL, llrint (ceil (get_length_samples () / samples_per_pixel)));
- }
-
-
- void set_sample_offsets (framepos_t const start, framepos_t const end)
- {
- assert (start <= end);
-
- // sample_start and sample_end are bounded by the region limits.
- if (start < region_start) {
- sample_start = region_start;
- } else if (start > region_end) {
- sample_start = region_end;
- } else {
- sample_start = start;
- }
-
- if (end > region_end) {
- sample_end = region_end;
- } else if (end < region_start) {
- sample_end = region_start;
- } else {
- sample_end = end;
- }
-
- assert (sample_start <= sample_end);
- }
-
- framepos_t get_sample_start () const
- {
- return sample_start;
- }
-
- framepos_t get_sample_end () const
- {
- return sample_end;
- }
-
- void set_sample_positions_from_pixel_offsets (double start_pixel, double end_pixel)
- {
- assert (start_pixel <= end_pixel);
- /**
- * It is possible for the new sample positions to be past the region_end,
- * so we have to do bounds checking/adjustment for this in set_sample_offsets.
- */
- framepos_t new_sample_start = region_start + (start_pixel * samples_per_pixel);
- framepos_t new_sample_end = region_start + (end_pixel * samples_per_pixel);
- set_sample_offsets (new_sample_start, new_sample_end);
- }
-
- ARDOUR::framecnt_t get_length_samples () const
- {
- assert (sample_start <= sample_end);
- return sample_end - sample_start;
- }
-
- framepos_t get_center_sample ()
- {
- return sample_start + (get_length_samples() / 2);
- }
-
- bool is_equivalent (WaveViewProperties const& other)
- {
- return (samples_per_pixel == other.samples_per_pixel &&
- contains (other.sample_start, other.sample_end) && channel == other.channel &&
- height == other.height && amplitude == other.amplitude &&
- amplitude_above_axis == other.amplitude_above_axis && fill_color == other.fill_color &&
- outline_color == other.outline_color && zero_color == other.zero_color &&
- clip_color == other.clip_color && show_zero == other.show_zero &&
- logscaled == other.logscaled && shape == other.shape &&
- gradient_depth == other.gradient_depth);
- // region_start && start_shift??
- }
-
- bool contains (framepos_t start, framepos_t end)
- {
- return (sample_start <= start && end <= sample_end);
- }
-};
-
-struct WaveViewImage {
-public: // ctors
- WaveViewImage (boost::shared_ptr<const ARDOUR::AudioRegion> const& region_ptr,
- WaveViewProperties const& properties);
-
- ~WaveViewImage ();
-
-public: // member variables
- boost::weak_ptr<const ARDOUR::AudioRegion> region;
- WaveViewProperties props;
- Cairo::RefPtr<Cairo::ImageSurface> cairo_image;
- uint64_t timestamp;
-
-public: // methods
- bool finished() { return static_cast<bool>(cairo_image); }
-
- bool
- contains_image_with_properties (WaveViewProperties const& other_props)
- {
- return cairo_image && props.is_equivalent (other_props);
- }
-
- bool is_valid () {
- return props.is_valid ();
- }
-
- size_t size_in_bytes ()
- {
- // 4 = bytes per FORMAT_ARGB32 pixel
- return props.height * props.get_width_pixels() * 4;
- }
-};
-
-struct WaveViewDrawRequest
-{
-public:
- WaveViewDrawRequest ();
- ~WaveViewDrawRequest ();
-
- bool stopped() const { return (bool) g_atomic_int_get (const_cast<gint*>(&stop)); }
- void cancel() { g_atomic_int_set (&stop, 1); }
- bool finished() { return image->finished(); }
-
- boost::shared_ptr<WaveViewImage> image;
-
- bool is_valid () {
- return (image && image->is_valid());
- }
-
-private:
- gint stop; /* intended for atomic access */
-};
-
-class WaveViewCache;
-
-class WaveViewCacheGroup
-{
-public:
- WaveViewCacheGroup (WaveViewCache& parent_cache);
-
- ~WaveViewCacheGroup ();
-
-public:
-
- // @return image with matching properties or null
- boost::shared_ptr<WaveViewImage> lookup_image (WaveViewProperties const&);
-
- void add_image (boost::shared_ptr<WaveViewImage>);
-
- bool full () const { return _cached_images.size() > max_size(); }
-
- static uint32_t max_size () { return 16; }
-
- void clear_cache ();
-
-private:
-
- /**
- * At time of writing we don't strictly need a reference to the parent cache
- * as there is only a single global cache but if the image cache ever becomes
- * a per canvas cache then a using a reference is handy.
- */
- WaveViewCache& _parent_cache;
-
- typedef std::list<boost::shared_ptr<WaveViewImage> > ImageCache;
- ImageCache _cached_images;
-};
-
-class WaveViewCache
-{
-public:
- static WaveViewCache* get_instance ();
-
- uint64_t image_cache_threshold () const { return _image_cache_threshold; }
- void set_image_cache_threshold (uint64_t);
-
- void clear_cache ();
-
- boost::shared_ptr<WaveViewCacheGroup> get_cache_group (boost::shared_ptr<ARDOUR::AudioSource>);
-
- void reset_cache_group (boost::shared_ptr<WaveViewCacheGroup>&);
-
-private:
- WaveViewCache();
- ~WaveViewCache();
-
-private:
- typedef std::map<boost::shared_ptr<ARDOUR::AudioSource>, boost::shared_ptr<WaveViewCacheGroup> >
- CacheGroups;
-
- CacheGroups cache_group_map;
-
- uint64_t image_cache_size;
- uint64_t _image_cache_threshold;
-
-private:
- friend class WaveViewCacheGroup;
-
- void increase_size (uint64_t bytes);
- void decrease_size (uint64_t bytes);
-
- bool full () { return image_cache_size > _image_cache_threshold; }
-};
-
-class WaveViewDrawRequestQueue
-{
-public:
-
- void enqueue (boost::shared_ptr<WaveViewDrawRequest>&);
-
- // @return valid request or null if non-blocking or no request is available
- boost::shared_ptr<WaveViewDrawRequest> dequeue (bool block);
-
- void wake_up ();
-
-private:
-
- mutable Glib::Threads::Mutex _queue_mutex;
- Glib::Threads::Cond _cond;
-
- typedef std::deque<boost::shared_ptr<WaveViewDrawRequest> > DrawRequestQueueType;
- DrawRequestQueueType _queue;
-};
-
-class WaveViewDrawingThread
-{
-public:
- WaveViewDrawingThread ();
- ~WaveViewDrawingThread ();
-
-private:
- void start ();
- void quit ();
- void run ();
-
-private:
- Glib::Threads::Thread* _thread;
- gint _quit;
-};
-
-class WaveViewThreads {
-private:
- WaveViewThreads ();
- ~WaveViewThreads ();
-
-public:
- static void initialize ();
- static void deinitialize ();
-
- static bool enabled () { return (instance); }
-
- static void enqueue_draw_request (boost::shared_ptr<WaveViewDrawRequest>&);
-
-private:
- friend class WaveViewDrawingThread;
-
- static void wake_up ();
-
- // will block until a request is available
- static boost::shared_ptr<WaveViewDrawRequest> dequeue_draw_request ();
-
- void start_threads ();
- void stop_threads ();
-
-private:
- static uint32_t init_count;
- static WaveViewThreads* instance;
-
- // TODO use std::unique_ptr when possible
- typedef std::vector<boost::shared_ptr<WaveViewDrawingThread> > WaveViewThreadList;
-
- WaveViewThreadList _threads;
- WaveViewDrawRequestQueue _request_queue;
-};
-
-
-} // namespace ArdourCanvas
-
-#endif // __CANVAS_WAVE_VIEW_PRIVATE_H__
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