ardour/ardour
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Update comment about required buffers

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This commit is contained in:
Robin Gareus 2022-05-05 00:46:11 +02:00
parent 2554302281
commit 6c2c3a49c4
Signed by: rgareus
GPG Key ID: A090BCE02CF57F04
1 changed files with 8 additions and 4 deletions
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12
libs/ardour/globals.cc
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@ -646,10 +646,14 @@ ARDOUR::init (bool try_optimization, const char* localedir, bool with_gui)
*/
EventLoop::register_request_buffer_factory (X_("midiUI"), MidiControlUI::request_factory);
/* the + 4 is a bit of a handwave. i don't actually know
how many more per-thread buffer sets we need above
the h/w concurrency, but its definitely > 1 more.
*/
/* Every Process Graph thread (up to hardware_concurrency) keeps a buffer.
* The main engine callback uses one (but returns it after use
* each cycle). Session Export uses one, and the GUI requires
* buffers (for plugin-analysis, auditioner updates) but not
* concurrently.
*
* In theory (hw + 3) should be sufficient, let's add one for luck.
*/
BufferManager::init (hardware_concurrency () + 4);
PannerManager::instance ().discover_panners ();