add signal for VST state load

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

diff --git a/libs/ardour/vst_plugin.cc b/libs/ardour/vst_plugin.cc
index b517b480b6f4a504a95a0b60b07c91583723daa8..a3dca8b3fa2e3d1cfe2e6ba58b899e44b2cfb17e 100644 (file)
--- a/libs/ardour/vst_plugin.cc
+++ b/libs/ardour/vst_plugin.cc
@@ -22,6 +22,7 @@
 
 #include <glibmm/fileutils.h>
 #include <glibmm/miscutils.h>
+#include <glibmm/convert.h>
 
 #include "pbd/floating.h"
 #include "pbd/locale_guard.h"
@@ -33,7 +34,7 @@
 #include "ardour/filesystem_paths.h"
 #include "ardour/audio_buffer.h"
 
-#include "i18n.h"
+#include "pbd/i18n.h"
 
 using namespace std;
 using namespace PBD;
@@ -52,6 +53,21 @@ VSTPlugin::VSTPlugin (AudioEngine& engine, Session& session, VSTHandle* handle)
        memset (&_timeInfo, 0, sizeof(_timeInfo));
 }
 
+VSTPlugin::VSTPlugin (const VSTPlugin& other)
+       : Plugin (other)
+       , _handle (other._handle)
+       , _state (other._state)
+       , _plugin (other._plugin)
+       , _pi (other._pi)
+       , _num (other._num)
+       , _midi_out_buf (other._midi_out_buf)
+       , _transport_frame (0)
+       , _transport_speed (0.f)
+       , _parameter_defaults (other._parameter_defaults)
+{
+       memset (&_timeInfo, 0, sizeof(_timeInfo));
+}
+
 VSTPlugin::~VSTPlugin ()
 {
 
@@ -91,9 +107,9 @@ VSTPlugin::set_block_size (pframes_t nframes)
 }
 
 float
-VSTPlugin::default_value (uint32_t)
+VSTPlugin::default_value (uint32_t which)
 {
-       return 0;
+       return _parameter_defaults[which];
 }
 
 float
@@ -153,8 +169,13 @@ int
 VSTPlugin::set_chunk (gchar const * data, bool single)
 {
        gsize size = 0;
+       int r = 0;
        guchar* raw_data = g_base64_decode (data, &size);
-       int const r = _plugin->dispatcher (_plugin, 24 /* effSetChunk */, single ? 1 : 0, size, raw_data, 0);
+       {
+               pthread_mutex_lock (&_state->state_lock);
+               r = _plugin->dispatcher (_plugin, 24 /* effSetChunk */, single ? 1 : 0, size, raw_data, 0);
+               pthread_mutex_unlock (&_state->state_lock);
+       }
        g_free (raw_data);
        return r;
 }
@@ -299,7 +320,7 @@ VSTPlugin::get_parameter_descriptor (uint32_t which, ParameterDescriptor& desc)
                desc.toggled = prop.flags & kVstParameterIsSwitch;
                desc.logarithmic = false;
                desc.sr_dependent = false;
-               desc.label = prop.label;
+               desc.label = Glib::locale_to_utf8 (prop.label);
 
        } else {
 
@@ -311,7 +332,7 @@ VSTPlugin::get_parameter_descriptor (uint32_t which, ParameterDescriptor& desc)
 
                _plugin->dispatcher (_plugin, effGetParamName, which, 0, label, 0);
 
-               desc.label = label;
+               desc.label = Glib::locale_to_utf8 (label);
                desc.integer_step = false;
                desc.lower = 0.0f;
                desc.upper = 1.0f;
@@ -323,6 +344,11 @@ VSTPlugin::get_parameter_descriptor (uint32_t which, ParameterDescriptor& desc)
                desc.sr_dependent = false;
        }
 
+       desc.normal = get_parameter (which);
+       if (_parameter_defaults.find (which) == _parameter_defaults.end ()) {
+               _parameter_defaults[which] = desc.normal;
+       }
+
        return 0;
 }
 
@@ -361,6 +387,7 @@ VSTPlugin::load_plugin_preset (PresetRecord r)
        sscanf (r.uri.c_str(), "VST:%d:%d", &id, &index);
 #endif
        _state->want_program = index;
+       LoadPresetProgram (); /* EMIT SIGNAL */ /* used for macvst */
        return true;
 }
 
@@ -403,6 +430,7 @@ VSTPlugin::load_user_preset (PresetRecord r)
                                        _state->wanted_chunk = raw_data;
                                        _state->wanted_chunk_size = size;
                                        _state->want_chunk = 1;
+                                       LoadPresetProgram (); /* EMIT SIGNAL */ /* used for macvst */
                                        return true;
                                }
                        }
@@ -541,6 +569,16 @@ VSTPlugin::connect_and_run (BufferSet& bufs,
 {
        Plugin::connect_and_run(bufs, start, end, speed, in_map, out_map, nframes, offset);
 
+       if (pthread_mutex_trylock (&_state->state_lock)) {
+               /* by convention 'effSetChunk' should not be called while processing
+                * http://www.reaper.fm/sdk/vst/vst_ext.php
+                *
+                * All VSTs don't use in-place, PluginInsert::connect_and_run()
+                * does clear output buffers, so we can just return.
+                */
+               return 0;
+       }
+
        _transport_frame = start;
        _transport_speed = speed;
 
@@ -609,6 +647,7 @@ VSTPlugin::connect_and_run (BufferSet& bufs,
        _plugin->processReplacing (_plugin, &ins[0], &outs[0], nframes);
        _midi_out_buf = 0;
 
+       pthread_mutex_unlock (&_state->state_lock);
        return 0;
 }