Increase the range of a-exp's ratio to make it usable like a gate

[ardour.git] / libs / ardour / processor.cc

diff --git a/libs/ardour/processor.cc b/libs/ardour/processor.cc
index 215e71dc9046ad775ae40e4e49dfbe661a0a8b4e..39c3d68ad7941d8ac35a852e057cd2f0486521f6 100644 (file)
--- a/libs/ardour/processor.cc
+++ b/libs/ardour/processor.cc
@@ -28,6 +28,7 @@
 
 #include "ardour/automatable.h"
 #include "ardour/chan_count.h"
+#include "ardour/debug.h"
 #include "ardour/processor.h"
 #include "ardour/types.h"
 
@@ -67,6 +68,11 @@ Processor::Processor(Session& session, const string& name)
        , _window_proxy (0)
        , _pinmgr_proxy (0)
        , _owner (0)
+       , _input_latency (0)
+       , _output_latency (0)
+       , _capture_offset (0)
+       , _playback_offset (0)
+       , _loop_location (0)
 {
 }
 
@@ -85,13 +91,23 @@ Processor::Processor (const Processor& other)
        , _window_proxy (0)
        , _pinmgr_proxy (0)
        , _owner (0)
+       , _input_latency (0)
+       , _output_latency (0)
+       , _capture_offset (0)
+       , _playback_offset (0)
+       , _loop_location (other._loop_location)
 {
 }
 
+Processor::~Processor ()
+{
+       DEBUG_TRACE (DEBUG::Destruction, string_compose ("processor %1 destructor\n", _name));
+}
+
 XMLNode&
 Processor::get_state (void)
 {
-       return state (true);
+       return state ();
 }
 
 /* NODE STRUCTURE
@@ -109,7 +125,7 @@ Processor::get_state (void)
 */
 
 XMLNode&
-Processor::state (bool full_state)
+Processor::state ()
 {
        XMLNode* node = new XMLNode (state_node_name);
 
@@ -121,7 +137,7 @@ Processor::state (bool full_state)
                node->add_child_copy (*_extra_xml);
        }
 
-       if (full_state) {
+       if (!skip_saving_automation) {
                XMLNode& automation = Automatable::get_automation_xml_state();
                if (!automation.children().empty() || !automation.properties().empty()) {
                        node->add_child_nocopy (automation);
@@ -227,7 +243,7 @@ Processor::set_state (const XMLNode& node, int version)
                }
        }
 
-       bool const a = string_is_affirmative (prop->value ()) && !_session.get_bypass_all_loaded_plugins();
+       bool const a = string_to<bool> (prop->value ()) && !_session.get_bypass_all_loaded_plugins();
        if (_active != a) {
                if (a) {
                        activate ();
@@ -259,6 +275,34 @@ Processor::configure_io (ChanCount in, ChanCount out)
        return true;
 }
 
+bool
+Processor::map_loop_range (samplepos_t& start, samplepos_t& end) const
+{
+       if (!_loop_location) {
+               return false;
+       }
+       if (start >= end) {
+               /* no backwards looping */
+               return false;
+       }
+
+       const samplepos_t loop_end = _loop_location->end ();
+       if (start < loop_end) {
+               return false;
+       }
+
+       const samplepos_t loop_start   = _loop_location->start ();
+       const samplecnt_t looplen      = loop_end - loop_start;
+       const sampleoffset_t start_off = (start - loop_start) % looplen;
+       const samplepos_t start_pos    = loop_start + start_off;
+
+       assert (start >= start_pos);
+       end -= start - start_pos;
+       start = start_pos;
+       assert (end > start);
+       return true;
+}
+
 void
 Processor::set_display_to_user (bool yn)
 {
@@ -271,12 +315,6 @@ Processor::set_pre_fader (bool p)
        _pre_fader = p;
 }
 
-void
-Processor::set_ui (void* p)
-{
-       _ui_pointer = p;
-}
-
 void
 Processor::set_owner (SessionObject* o)
 {