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prepare displaying peakfile queue-len

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This commit is contained in:
Robin Gareus 2015-09-15 17:42:59 +02:00
parent bed85f98d1
commit 4b20e719a8
2 changed files with 18 additions and 1 deletions
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1
libs/ardour/ardour/source_factory.h
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@ -68,6 +68,7 @@ class LIBARDOUR_API SourceFactory {
static Glib::Threads::Mutex peak_building_lock;
static std::list< boost::weak_ptr<AudioSource> > files_with_peaks;
static int peak_work_queue_length ();
static int setup_peakfile (boost::shared_ptr<Source>, bool async);
};

18
libs/ardour/source_factory.cc
View file

@ -32,6 +32,7 @@
#include "ardour/audio_playlist_source.h"
#include "ardour/midi_playlist.h"
#include "ardour/midi_playlist_source.h"
#include "ardour/source.h"
#include "ardour/source_factory.h"
#include "ardour/sndfilesource.h"
#include "ardour/silentfilesource.h"
@ -54,6 +55,8 @@ Glib::Threads::Cond SourceFactory::PeaksToBuild;
Glib::Threads::Mutex SourceFactory::peak_building_lock;
std::list<boost::weak_ptr<AudioSource> > SourceFactory::files_with_peaks;
static int active_threads = 0;
static void
peak_thread_work ()
{
@ -74,6 +77,7 @@ peak_thread_work ()
boost::shared_ptr<AudioSource> as (SourceFactory::files_with_peaks.front().lock());
SourceFactory::files_with_peaks.pop_front ();
++active_threads;
SourceFactory::peak_building_lock.unlock ();
if (!as) {
@ -81,9 +85,20 @@ peak_thread_work ()
}
as->setup_peakfile ();
SourceFactory::peak_building_lock.lock ();
--active_threads;
SourceFactory::peak_building_lock.unlock ();
}
}
int
SourceFactory::peak_work_queue_length ()
{
// ideally we'd loop over the queue and check for duplicates
// and existing valid peak-files..
return SourceFactory::files_with_peaks.size () + active_threads;
}
void
SourceFactory::init ()
{
@ -99,7 +114,8 @@ SourceFactory::setup_peakfile (boost::shared_ptr<Source> s, bool async)
if (as) {
if (async) {
// immediately set 'peakfile-path' for empty and NoPeakFile sources
if (async && !as->empty() && !(as->flags() & Source::NoPeakFile)) {
Glib::Threads::Mutex::Lock lm (peak_building_lock);
files_with_peaks.push_back (boost::weak_ptr<AudioSource> (as));