ardour/livetrax
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Better fix for 6183.

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Invalidate all source entries from the image cache when we get our
region's DropReferences signal, while ignoring any subsequent regions with
no source.
This commit is contained in:
nick_m 2015-03-29 02:13:40 +11:00
parent 57e227fd52
commit 8962bfba61
2 changed files with 33 additions and 11 deletions
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2
libs/canvas/canvas/wave_view.h
View File

@ -163,6 +163,7 @@ private:
static std::map <boost::shared_ptr<ARDOUR::AudioSource>, std::vector <CacheEntry> > _image_cache;
void consolidate_image_cache () const;
void invalidate_source (boost::weak_ptr<ARDOUR::AudioSource>);
void invalidate_image_cache ();
boost::shared_ptr<ARDOUR::AudioRegion> _region;
@ -188,6 +189,7 @@ private:
ARDOUR::frameoffset_t _region_start;
PBD::ScopedConnectionList invalidation_connection;
PBD::ScopedConnection _source_invalidated_connection;
static double _global_gradient_depth;
static bool _global_logscaled;

42
libs/canvas/wave_view.cc
View File

@ -38,6 +38,8 @@
#include <gdkmm/general.h>
#include "gtk2_ardour/gui_thread.h"
using namespace std;
using namespace ARDOUR;
using namespace ArdourCanvas;
@ -74,6 +76,10 @@ WaveView::WaveView (Canvas* c, boost::shared_ptr<ARDOUR::AudioRegion> region)
, _start_shift (0.0)
, _region_start (region->start())
{
_region->DropReferences.connect (_source_invalidated_connection, MISSING_INVALIDATOR,
boost::bind (&ArdourCanvas::WaveView::invalidate_source,
this, boost::weak_ptr<AudioSource>(_region->audio_source())), gui_context());
VisualPropertiesChanged.connect_same_thread (invalidation_connection, boost::bind (&WaveView::handle_visual_property_change, this));
ClipLevelChanged.connect_same_thread (invalidation_connection, boost::bind (&WaveView::handle_clip_level_change, this));
}
@ -97,12 +103,17 @@ WaveView::WaveView (Item* parent, boost::shared_ptr<ARDOUR::AudioRegion> region)
, _region_amplitude (_region->scale_amplitude ())
, _region_start (region->start())
{
_region->DropReferences.connect (_source_invalidated_connection, MISSING_INVALIDATOR,
boost::bind (&ArdourCanvas::WaveView::invalidate_source,
this, boost::weak_ptr<AudioSource>(_region->audio_source())), gui_context());
VisualPropertiesChanged.connect_same_thread (invalidation_connection, boost::bind (&WaveView::handle_visual_property_change, this));
ClipLevelChanged.connect_same_thread (invalidation_connection, boost::bind (&WaveView::handle_clip_level_change, this));
}
WaveView::~WaveView ()
{
_source_invalidated_connection.disconnect();
invalidate_image_cache ();
}
@ -205,24 +216,33 @@ WaveView::set_clip_level (double dB)
}
}
void
WaveView::invalidate_source (boost::weak_ptr<AudioSource> src)
{
if (boost::shared_ptr<AudioSource> source = src.lock()) {
std::map <boost::shared_ptr<ARDOUR::AudioSource>, std::vector <CacheEntry> >::iterator i;
for (i = _image_cache.begin (); i != _image_cache.end (); ++i) {
if (i->first == source) {
for (uint32_t n = 0; n < i->second.size (); ++n) {
i->second[n].image.clear ();
}
i->second.clear ();
_image_cache.erase (i->first);
}
}
}
}
void
WaveView::invalidate_image_cache ()
{
vector <uint32_t> deletion_list;
vector <CacheEntry> caches;
/* The source may have disappeared in the case of rec regions.*/
/* The source may have disappeared.*/
if (_region->n_channels() == 0) {
std::map <boost::shared_ptr<ARDOUR::AudioSource>, std::vector <CacheEntry> >::iterator i;
for (i = _image_cache.begin(); i != _image_cache.end(); ++i) {
if (i->first.unique()) {
for (uint32_t n = 0; n < (*i).second.size (); ++n) {
(*i).second[n].image.clear ();
}
(*i).second.clear ();
_image_cache.erase(i->first);
}
}
return;
}