Merge branch 'waveview_caching_for_upstream' of https://github.com/nmains/ardour into cairocanvas
This commit is contained in:
commit
c22e96522d
@ -1164,6 +1164,7 @@ AudioRegionView::create_one_wave (uint32_t which, bool /*direct*/)
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wave->set_height (ht);
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wave->set_samples_per_pixel (samples_per_pixel);
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wave->set_show_zero_line (true);
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wave->set_clip_level (Config->get_waveform_clip_level ());
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switch (Config->get_waveform_shape()) {
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case Rectified:
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@ -936,6 +936,7 @@ TimeAxisViewItem::reset_width_dependent_items (double pixel_width)
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_width = pixel_width;
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manage_name_highlight ();
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manage_name_text ();
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if (pixel_width < 2.0) {
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@ -48,11 +48,25 @@ namespace ArdourCanvas {
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class LIBCANVAS_API WaveView : virtual public Item, public Outline, public Fill
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{
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public:
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enum Shape {
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Normal,
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Rectified,
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Rectified
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};
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struct CacheEntry {
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int channel;
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Coord height;
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float amplitude;
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framepos_t start;
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framepos_t end;
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Cairo::RefPtr<Cairo::ImageSurface> image;
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CacheEntry() :
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channel (0), height (0), amplitude(0), start (0), end (0), image (0) {}
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CacheEntry(int chan, Coord hght, float amp, framepos_t strt, framepos_t ed, Cairo::RefPtr<Cairo::ImageSurface> img) :
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channel (chan), height (hght), amplitude (amp), start (strt), end (ed), image (img) {}
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};
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/* Displays a single channel of waveform data for the given Region.
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x = 0 in the waveview corresponds to the first waveform datum taken
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@ -132,7 +146,9 @@ private:
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friend class ::WaveViewTest;
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void invalidate_image ();
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static std::map <boost::shared_ptr<ARDOUR::AudioSource>, std::vector <CacheEntry> > _image_cache;
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void consolidate_image_cache () const;
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void invalidate_image_cache ();
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boost::shared_ptr<ARDOUR::AudioRegion> _region;
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int _channel;
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@ -148,16 +164,12 @@ private:
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bool _logscaled_independent;
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bool _gradient_depth_independent;
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double _amplitude_above_axis;
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float _region_amplitude;
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/** The `start' value to use for the region; we can't use the region's
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* value as the crossfade editor needs to alter it.
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*/
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ARDOUR::frameoffset_t _region_start;
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mutable ARDOUR::framepos_t _sample_start;
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mutable ARDOUR::framepos_t _sample_end;
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mutable Cairo::RefPtr<Cairo::ImageSurface> _image;
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PBD::ScopedConnectionList invalidation_connection;
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@ -172,9 +184,10 @@ private:
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void handle_visual_property_change ();
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void handle_clip_level_change ();
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void ensure_cache (ARDOUR::framepos_t sample_start, ARDOUR::framepos_t sample_end) const;
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void get_image (Cairo::RefPtr<Cairo::ImageSurface>& image, framepos_t start, framepos_t end, double& image_offset) const;
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ArdourCanvas::Coord y_extent (double) const;
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void draw_image (ARDOUR::PeakData*, int npeaks) const;
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void draw_image (Cairo::RefPtr<Cairo::ImageSurface>&, ARDOUR::PeakData*, int) const;
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};
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}
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@ -41,6 +41,9 @@ using namespace std;
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using namespace ARDOUR;
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using namespace ArdourCanvas;
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#define CACHE_HIGH_WATER (2)
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std::map <boost::shared_ptr<AudioSource>, std::vector<WaveView::CacheEntry> > WaveView::_image_cache;
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double WaveView::_global_gradient_depth = 0.6;
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bool WaveView::_global_logscaled = false;
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WaveView::Shape WaveView::_global_shape = WaveView::Normal;
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@ -68,9 +71,8 @@ WaveView::WaveView (Group* parent, boost::shared_ptr<ARDOUR::AudioRegion> region
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, _logscaled_independent (false)
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, _gradient_depth_independent (false)
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, _amplitude_above_axis (1.0)
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, _region_amplitude (_region->scale_amplitude ())
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, _region_start (region->start())
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, _sample_start (-1)
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, _sample_end (-1)
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{
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VisualPropertiesChanged.connect_same_thread (invalidation_connection, boost::bind (&WaveView::handle_visual_property_change, this));
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ClipLevelChanged.connect_same_thread (invalidation_connection, boost::bind (&WaveView::handle_clip_level_change, this));
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@ -78,6 +80,7 @@ WaveView::WaveView (Group* parent, boost::shared_ptr<ARDOUR::AudioRegion> region
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WaveView::~WaveView ()
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{
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invalidate_image_cache ();
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}
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void
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@ -101,22 +104,28 @@ WaveView::handle_visual_property_change ()
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}
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if (changed) {
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invalidate_image ();
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begin_visual_change ();
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invalidate_image_cache ();
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end_visual_change ();
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}
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}
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void
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WaveView::handle_clip_level_change ()
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{
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invalidate_image ();
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begin_visual_change ();
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invalidate_image_cache ();
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end_visual_change ();
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}
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void
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WaveView::set_fill_color (Color c)
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{
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if (c != _fill_color) {
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invalidate_image ();
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begin_visual_change ();
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invalidate_image_cache ();
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Fill::set_fill_color (c);
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end_visual_change ();
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}
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}
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@ -124,8 +133,10 @@ void
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WaveView::set_outline_color (Color c)
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{
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if (c != _outline_color) {
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invalidate_image ();
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begin_visual_change ();
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invalidate_image_cache ();
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Outline::set_outline_color (c);
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end_visual_change ();
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}
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}
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@ -135,13 +146,11 @@ WaveView::set_samples_per_pixel (double samples_per_pixel)
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if (samples_per_pixel != _samples_per_pixel) {
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begin_change ();
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invalidate_image_cache ();
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_samples_per_pixel = samples_per_pixel;
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_bounding_box_dirty = true;
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end_change ();
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invalidate_image ();
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}
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}
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@ -179,22 +188,114 @@ WaveView::set_clip_level (double dB)
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}
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}
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void
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WaveView::invalidate_image_cache ()
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{
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vector <uint32_t> deletion_list;
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vector <CacheEntry> caches;
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if (_image_cache.find (_region->audio_source ()) != _image_cache.end ()) {
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caches = _image_cache.find (_region->audio_source ())->second;
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} else {
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return;
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}
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for (uint32_t i = 0; i < caches.size (); ++i) {
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if (_channel != caches[i].channel || _height != caches[i].height || _region_amplitude != caches[i].amplitude) {
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continue;
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}
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deletion_list.push_back (i);
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}
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while (deletion_list.size() > 0) {
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caches[deletion_list.back ()].image.clear ();
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caches.erase (caches.begin() + deletion_list.back());
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deletion_list.pop_back();
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}
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if (caches.size () == 0) {
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_image_cache.erase(_region->audio_source ());
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} else {
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_image_cache[_region->audio_source ()] = caches;
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}
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}
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void
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WaveView::consolidate_image_cache () const
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{
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list <uint32_t> deletion_list;
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vector <CacheEntry> caches;
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uint32_t other_entries = 0;
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if (_image_cache.find (_region->audio_source ()) != _image_cache.end ()) {
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caches = _image_cache.find (_region->audio_source ())->second;
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}
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for (uint32_t i = 0; i < caches.size (); ++i) {
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if (_channel != caches[i].channel || _height != caches[i].height || _region_amplitude != caches[i].amplitude) {
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other_entries++;
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continue;
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}
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framepos_t segment_start = caches[i].start;
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framepos_t segment_end = caches[i].end;
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for (uint32_t j = i; j < caches.size (); ++j) {
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if (i == j || _channel != caches[j].channel || _height != caches[i].height || _region_amplitude != caches[i].amplitude) {
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continue;
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}
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if (caches[j].start >= segment_start && caches[j].end <= segment_end) {
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deletion_list.push_back (j);
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}
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}
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}
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deletion_list.sort ();
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deletion_list.unique ();
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while (deletion_list.size() > 0) {
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caches[deletion_list.back ()].image.clear ();
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caches.erase (caches.begin() + deletion_list.back ());
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deletion_list.pop_back();
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}
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/* We don't care if this channel/height/amplitude has anything in the cache - just drop the Last Added entries
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until we reach a size where there is a maximum of CACHE_HIGH_WATER + other entries.
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*/
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while (caches.size() > CACHE_HIGH_WATER + other_entries) {
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caches.front ().image.clear ();
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caches.erase(caches.begin ());
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}
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if (caches.size () == 0) {
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_image_cache.erase (_region->audio_source ());
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} else {
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_image_cache[_region->audio_source ()] = caches;
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}
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}
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struct LineTips {
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double top;
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double bot;
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bool clip_max;
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bool clip_min;
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LineTips() : top (0.0), bot (0.0), clip_max (false), clip_min (false) {}
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double top;
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double bot;
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bool clip_max;
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bool clip_min;
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LineTips() : top (0.0), bot (0.0), clip_max (false), clip_min (false) {}
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};
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void
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WaveView::draw_image (PeakData* _peaks, int n_peaks) const
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WaveView::draw_image (Cairo::RefPtr<Cairo::ImageSurface>& image, PeakData* _peaks, int n_peaks) const
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{
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_image = Cairo::ImageSurface::create (Cairo::FORMAT_ARGB32, n_peaks, _height);
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Cairo::RefPtr<Cairo::Context> context = Cairo::Context::create (_image);
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Cairo::RefPtr<Cairo::Context> context = Cairo::Context::create (image);
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boost::scoped_array<LineTips> tips (new LineTips[n_peaks]);
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/* Clip level nominally set to -0.9dBFS to account for inter-sample
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@ -207,7 +308,7 @@ WaveView::draw_image (PeakData* _peaks, int n_peaks) const
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has been scaled by scale_amplitude() already.
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*/
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const double clip_level = _clip_level * _region->scale_amplitude();
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const double clip_level = _clip_level * _region_amplitude;
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if (_shape == WaveView::Rectified) {
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@ -344,24 +445,23 @@ WaveView::draw_image (PeakData* _peaks, int n_peaks) const
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for (int i = 0; i < n_peaks; ++i) {
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context->move_to (i, tips[i].top); /* down 1 pixel */
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context->line_to (i, tips[i].bot);
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context->stroke ();
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}
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} else {
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for (int i = 0; i < n_peaks; ++i) {
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context->move_to (i, tips[i].top);
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context->line_to (i, tips[i].bot);
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context->stroke ();
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}
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}
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context->stroke ();
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/* now add dots to the top and bottom of each line (this is
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* modelled on pyramix, except that we add clipping indicators.
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*/
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if (_global_show_waveform_clipping) {
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set_source_rgba (context, _outline_color);
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set_source_rgba (context, _clip_color);
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/* the height of the clip-indicator should be at most 7 pixels,
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or 5% of the height of the waveview item.
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*/
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@ -374,28 +474,17 @@ WaveView::draw_image (PeakData* _peaks, int n_peaks) const
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tips[i].clip_max;
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if (show_top_clip) {
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set_source_rgba (context, _clip_color);
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context->rel_line_to (0, clip_height);
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context->stroke ();
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set_source_rgba (context, _outline_color);
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} else {
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context->rel_line_to (0, 1.0);
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context->stroke ();
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}
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if (_shape != WaveView::Rectified) {
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context->move_to (i, tips[i].bot);
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if (tips[i].clip_min) {
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set_source_rgba (context, _clip_color);
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context->rel_line_to (0, -clip_height);
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context->stroke ();
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set_source_rgba (context, _outline_color);
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} else {
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context->rel_line_to (0, -1.0);
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context->stroke ();
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}
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}
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}
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context->stroke ();
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}
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if (show_zero_line()) {
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@ -409,36 +498,69 @@ WaveView::draw_image (PeakData* _peaks, int n_peaks) const
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}
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void
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WaveView::ensure_cache (framepos_t start, framepos_t end) const
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WaveView::get_image (Cairo::RefPtr<Cairo::ImageSurface>& image, framepos_t start, framepos_t end, double& image_offset) const
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{
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if (_image && _sample_start <= start && _sample_end >= end) {
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/* cache already covers required range, do nothing */
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return;
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vector <CacheEntry> caches;
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if (_image_cache.find (_region->audio_source ()) != _image_cache.end ()) {
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caches = _image_cache.find (_region->audio_source ())->second;
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}
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/* Find a suitable ImageSurface.
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*/
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for (uint32_t i = 0; i < caches.size (); ++i) {
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if (_channel != caches[i].channel || _height != caches[i].height || _region_amplitude != caches[i].amplitude) {
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continue;
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}
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framepos_t segment_start = caches[i].start;
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framepos_t segment_end = caches[i].end;
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if (end <= segment_end && start >= segment_start) {
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image_offset = (segment_start - _region->start()) / _samples_per_pixel;
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image = caches[i].image;
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return;
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}
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}
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consolidate_image_cache ();
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/* sample position is canonical here, and we want to generate
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* an image that spans about twice the canvas width
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*/
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const framepos_t center = start + ((end - start) / 2);
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const framecnt_t canvas_samples = 2 * (_canvas->visible_area().width() * _samples_per_pixel);
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const framecnt_t canvas_samples = _canvas->visible_area().width() * _samples_per_pixel; /* one canvas width */
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/* we can request data from anywhere in the Source, between 0 and its length
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*/
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_sample_start = max ((framepos_t) 0, (center - canvas_samples));
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_sample_end = min (center + canvas_samples, _region->source_length (0));
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framepos_t sample_start = max ((framepos_t) 0, (center - canvas_samples));
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framepos_t sample_end = min (center + canvas_samples, _region->source_length (0));
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const int n_peaks = llrintf ((_sample_end - _sample_start)/ (double) _samples_per_pixel);
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const int n_peaks = llrintf ((sample_end - sample_start)/ (double) _samples_per_pixel);
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boost::scoped_array<ARDOUR::PeakData> peaks (new PeakData[n_peaks]);
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_region->read_peaks (peaks.get(), n_peaks,
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_sample_start, _sample_end - _sample_start,
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sample_start, sample_end - sample_start,
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_channel,
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_samples_per_pixel);
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draw_image (peaks.get(), n_peaks);
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image = Cairo::ImageSurface::create (Cairo::FORMAT_ARGB32, ((double)(sample_end - sample_start)) / _samples_per_pixel, _height);
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draw_image (image, peaks.get(), n_peaks);
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_image_cache[_region->audio_source ()].push_back (CacheEntry (_channel, _height, _region_amplitude, sample_start, sample_end, image));
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image_offset = (sample_start - _region->start()) / _samples_per_pixel;
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//cerr << "_image_cache size is : " << _image_cache.size() << " entries for this audiosource : " << _image_cache.find (_region->audio_source ())->second.size() << endl;
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return;
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}
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void
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@ -486,13 +608,10 @@ WaveView::render (Rect const & area, Cairo::RefPtr<Cairo::Context> context) cons
|
||||
|
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// cerr << "Sample space: " << sample_start << " .. " << sample_end << endl;
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|
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ensure_cache (sample_start, sample_end);
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Cairo::RefPtr<Cairo::ImageSurface> image;
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double image_offset = 0;
|
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|
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// cerr << "Cache contains " << _cache->pixel_start() << " .. " << _cache->pixel_end() << " / "
|
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// << _cache->sample_start() << " .. " << _cache->sample_end()
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||||
// << endl;
|
||||
|
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double image_offset = (_sample_start - _region->start()) / _samples_per_pixel;
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get_image (image, sample_start, sample_end, image_offset);
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|
||||
// cerr << "Offset into image to place at zero: " << image_offset << endl;
|
||||
|
||||
@ -509,7 +628,7 @@ WaveView::render (Rect const & area, Cairo::RefPtr<Cairo::Context> context) cons
|
||||
y = round (y);
|
||||
context->device_to_user (x, y);
|
||||
|
||||
context->set_source (_image, x, y);
|
||||
context->set_source (image, x, y);
|
||||
context->fill ();
|
||||
}
|
||||
|
||||
@ -530,13 +649,12 @@ WaveView::set_height (Distance height)
|
||||
{
|
||||
if (height != _height) {
|
||||
begin_change ();
|
||||
|
||||
|
||||
invalidate_image_cache ();
|
||||
_height = height;
|
||||
|
||||
|
||||
_bounding_box_dirty = true;
|
||||
end_change ();
|
||||
|
||||
invalidate_image ();
|
||||
}
|
||||
}
|
||||
|
||||
@ -545,50 +663,43 @@ WaveView::set_channel (int channel)
|
||||
{
|
||||
if (channel != _channel) {
|
||||
begin_change ();
|
||||
|
||||
|
||||
invalidate_image_cache ();
|
||||
_channel = channel;
|
||||
|
||||
|
||||
_bounding_box_dirty = true;
|
||||
end_change ();
|
||||
|
||||
invalidate_image ();
|
||||
}
|
||||
}
|
||||
|
||||
void
|
||||
WaveView::invalidate_image ()
|
||||
{
|
||||
begin_visual_change ();
|
||||
|
||||
_image.clear ();
|
||||
_sample_start = -1;
|
||||
_sample_end = -1;
|
||||
|
||||
end_visual_change ();
|
||||
}
|
||||
|
||||
|
||||
void
|
||||
WaveView::set_logscaled (bool yn)
|
||||
{
|
||||
if (_logscaled != yn) {
|
||||
begin_visual_change ();
|
||||
invalidate_image_cache ();
|
||||
_logscaled = yn;
|
||||
invalidate_image ();
|
||||
end_visual_change ();
|
||||
}
|
||||
}
|
||||
|
||||
void
|
||||
WaveView::gain_changed ()
|
||||
{
|
||||
invalidate_image ();
|
||||
begin_visual_change ();
|
||||
invalidate_image_cache ();
|
||||
_region_amplitude = _region->scale_amplitude ();
|
||||
end_visual_change ();
|
||||
}
|
||||
|
||||
void
|
||||
WaveView::set_zero_color (Color c)
|
||||
{
|
||||
if (_zero_color != c) {
|
||||
begin_visual_change ();
|
||||
invalidate_image_cache ();
|
||||
_zero_color = c;
|
||||
invalidate_image ();
|
||||
end_visual_change ();
|
||||
}
|
||||
}
|
||||
|
||||
@ -596,8 +707,10 @@ void
|
||||
WaveView::set_clip_color (Color c)
|
||||
{
|
||||
if (_clip_color != c) {
|
||||
begin_visual_change ();
|
||||
invalidate_image_cache ();
|
||||
_clip_color = c;
|
||||
invalidate_image ();
|
||||
end_visual_change ();
|
||||
}
|
||||
}
|
||||
|
||||
@ -605,8 +718,10 @@ void
|
||||
WaveView::set_show_zero_line (bool yn)
|
||||
{
|
||||
if (_show_zero != yn) {
|
||||
begin_visual_change ();
|
||||
invalidate_image_cache ();
|
||||
_show_zero = yn;
|
||||
invalidate_image ();
|
||||
end_visual_change ();
|
||||
}
|
||||
}
|
||||
|
||||
@ -614,8 +729,10 @@ void
|
||||
WaveView::set_shape (Shape s)
|
||||
{
|
||||
if (_shape != s) {
|
||||
begin_visual_change ();
|
||||
invalidate_image_cache ();
|
||||
_shape = s;
|
||||
invalidate_image ();
|
||||
end_visual_change ();
|
||||
}
|
||||
}
|
||||
|
||||
@ -623,8 +740,10 @@ void
|
||||
WaveView::set_amplitude_above_axis (double a)
|
||||
{
|
||||
if (_amplitude_above_axis != a) {
|
||||
begin_visual_change ();
|
||||
invalidate_image_cache ();
|
||||
_amplitude_above_axis = a;
|
||||
invalidate_image ();
|
||||
end_visual_change ();
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user